diff options
Diffstat (limited to 'util/crossgcc/patches/binutils-2.26_riscv.patch')
| -rw-r--r-- | util/crossgcc/patches/binutils-2.26_riscv.patch | 9780 |
1 files changed, 9780 insertions, 0 deletions
diff --git a/util/crossgcc/patches/binutils-2.26_riscv.patch b/util/crossgcc/patches/binutils-2.26_riscv.patch new file mode 100644 index 0000000000..d916b5661b --- /dev/null +++ b/util/crossgcc/patches/binutils-2.26_riscv.patch @@ -0,0 +1,9780 @@ +diff -urN empty/bfd/cpu-riscv.c binutils-2.26/bfd/cpu-riscv.c +--- empty/bfd/cpu-riscv.c 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/bfd/cpu-riscv.c 2016-04-03 10:33:12.058793036 +0800 +@@ -0,0 +1,76 @@ ++/* BFD backend for RISC-V ++ Copyright 2011-2015 Free Software Foundation, Inc. ++ ++ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. ++ Based on MIPS target. ++ ++ This file is part of BFD, the Binary File Descriptor library. ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3 of the License, or ++ (at your option) any later version. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; see the file COPYING3. If not, ++ see <http://www.gnu.org/licenses/>. */ ++ ++#include "sysdep.h" ++#include "bfd.h" ++#include "libbfd.h" ++ ++/* This routine is provided two arch_infos and returns an arch_info ++ that is compatible with both, or NULL if none exists. */ ++ ++static const bfd_arch_info_type * ++riscv_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b) ++{ ++ if (a->arch != b->arch) ++ return NULL; ++ ++ /* Machine compatibility is checked in ++ _bfd_riscv_elf_merge_private_bfd_data. */ ++ ++ return a; ++} ++ ++#define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT) \ ++ { \ ++ BITS_WORD, /* bits in a word */ \ ++ BITS_ADDR, /* bits in an address */ \ ++ 8, /* 8 bits in a byte */ \ ++ bfd_arch_riscv, \ ++ NUMBER, \ ++ "riscv", \ ++ PRINT, \ ++ 3, \ ++ DEFAULT, \ ++ riscv_compatible, \ ++ bfd_default_scan, \ ++ bfd_arch_default_fill, \ ++ NEXT, \ ++ } ++ ++enum ++{ ++ I_riscv64, ++ I_riscv32 ++}; ++ ++#define NN(index) (&arch_info_struct[(index) + 1]) ++ ++static const bfd_arch_info_type arch_info_struct[] = ++{ ++ N (64, 64, bfd_mach_riscv64, "riscv:rv64", FALSE, NN (I_riscv64)), ++ N (32, 32, bfd_mach_riscv32, "riscv:rv32", FALSE, 0) ++}; ++ ++/* The default architecture is riscv:rv64. */ ++ ++const bfd_arch_info_type bfd_riscv_arch = ++ N (64, 64, 0, "riscv", TRUE, &arch_info_struct[0]); +diff -urN empty/bfd/elfnn-riscv.c binutils-2.26/bfd/elfnn-riscv.c +--- empty/bfd/elfnn-riscv.c 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/bfd/elfnn-riscv.c 2016-04-03 10:33:12.062126369 +0800 +@@ -0,0 +1,3022 @@ ++/* RISC-V-specific support for NN-bit ELF. ++ Copyright 2011-2015 Free Software Foundation, Inc. ++ ++ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. ++ Based on TILE-Gx and MIPS targets. ++ ++ This file is part of BFD, the Binary File Descriptor library. ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3 of the License, or ++ (at your option) any later version. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; see the file COPYING3. If not, ++ see <http://www.gnu.org/licenses/>. */ ++ ++/* This file handles RISC-V ELF targets. */ ++ ++#include "sysdep.h" ++#include "bfd.h" ++#include "libbfd.h" ++#include "bfdlink.h" ++#include "genlink.h" ++#include "elf-bfd.h" ++#include "elfxx-riscv.h" ++#include "elf/riscv.h" ++#include "opcode/riscv.h" ++ ++#define ARCH_SIZE NN ++ ++#define MINUS_ONE ((bfd_vma)0 - 1) ++ ++#define RISCV_ELF_LOG_WORD_BYTES (ARCH_SIZE == 32 ? 2 : 3) ++ ++#define RISCV_ELF_WORD_BYTES (1 << RISCV_ELF_LOG_WORD_BYTES) ++ ++/* The name of the dynamic interpreter. This is put in the .interp ++ section. */ ++ ++#define ELF64_DYNAMIC_INTERPRETER "/lib/ld.so.1" ++#define ELF32_DYNAMIC_INTERPRETER "/lib32/ld.so.1" ++ ++#define ELF_ARCH bfd_arch_riscv ++#define ELF_TARGET_ID RISCV_ELF_DATA ++#define ELF_MACHINE_CODE EM_RISCV ++#define ELF_MAXPAGESIZE 0x1000 ++#define ELF_COMMONPAGESIZE 0x1000 ++ ++/* The RISC-V linker needs to keep track of the number of relocs that it ++ decides to copy as dynamic relocs in check_relocs for each symbol. ++ This is so that it can later discard them if they are found to be ++ unnecessary. We store the information in a field extending the ++ regular ELF linker hash table. */ ++ ++struct riscv_elf_dyn_relocs ++{ ++ struct riscv_elf_dyn_relocs *next; ++ ++ /* The input section of the reloc. */ ++ asection *sec; ++ ++ /* Total number of relocs copied for the input section. */ ++ bfd_size_type count; ++ ++ /* Number of pc-relative relocs copied for the input section. */ ++ bfd_size_type pc_count; ++}; ++ ++/* RISC-V ELF linker hash entry. */ ++ ++struct riscv_elf_link_hash_entry ++{ ++ struct elf_link_hash_entry elf; ++ ++ /* Track dynamic relocs copied for this symbol. */ ++ struct riscv_elf_dyn_relocs *dyn_relocs; ++ ++#define GOT_UNKNOWN 0 ++#define GOT_NORMAL 1 ++#define GOT_TLS_GD 2 ++#define GOT_TLS_IE 4 ++#define GOT_TLS_LE 8 ++ char tls_type; ++}; ++ ++#define riscv_elf_hash_entry(ent) \ ++ ((struct riscv_elf_link_hash_entry *)(ent)) ++ ++struct _bfd_riscv_elf_obj_tdata ++{ ++ struct elf_obj_tdata root; ++ ++ /* tls_type for each local got entry. */ ++ char *local_got_tls_type; ++}; ++ ++#define _bfd_riscv_elf_tdata(abfd) \ ++ ((struct _bfd_riscv_elf_obj_tdata *) (abfd)->tdata.any) ++ ++#define _bfd_riscv_elf_local_got_tls_type(abfd) \ ++ (_bfd_riscv_elf_tdata (abfd)->local_got_tls_type) ++ ++#define _bfd_riscv_elf_tls_type(abfd, h, symndx) \ ++ (*((h) != NULL ? &riscv_elf_hash_entry (h)->tls_type \ ++ : &_bfd_riscv_elf_local_got_tls_type (abfd) [symndx])) ++ ++#define is_riscv_elf(bfd) \ ++ (bfd_get_flavour (bfd) == bfd_target_elf_flavour \ ++ && elf_tdata (bfd) != NULL \ ++ && elf_object_id (bfd) == RISCV_ELF_DATA) ++ ++#include "elf/common.h" ++#include "elf/internal.h" ++ ++struct riscv_elf_link_hash_table ++{ ++ struct elf_link_hash_table elf; ++ ++ /* Short-cuts to get to dynamic linker sections. */ ++ asection *sdynbss; ++ asection *srelbss; ++ asection *sdyntdata; ++ ++ /* Small local sym to section mapping cache. */ ++ struct sym_cache sym_cache; ++}; ++ ++ ++/* Get the RISC-V ELF linker hash table from a link_info structure. */ ++#define riscv_elf_hash_table(p) \ ++ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \ ++ == RISCV_ELF_DATA ? ((struct riscv_elf_link_hash_table *) ((p)->hash)) : NULL) ++ ++static void ++riscv_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, ++ arelent *cache_ptr, ++ Elf_Internal_Rela *dst) ++{ ++ cache_ptr->howto = riscv_elf_rtype_to_howto (ELFNN_R_TYPE (dst->r_info)); ++} ++ ++static void ++riscv_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel) ++{ ++ const struct elf_backend_data *bed; ++ bfd_byte *loc; ++ ++ bed = get_elf_backend_data (abfd); ++ loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela); ++ bed->s->swap_reloca_out (abfd, rel, loc); ++} ++ ++/* PLT/GOT stuff */ ++ ++#define PLT_HEADER_INSNS 8 ++#define PLT_ENTRY_INSNS 4 ++#define PLT_HEADER_SIZE (PLT_HEADER_INSNS * 4) ++#define PLT_ENTRY_SIZE (PLT_ENTRY_INSNS * 4) ++ ++#define GOT_ENTRY_SIZE RISCV_ELF_WORD_BYTES ++ ++#define GOTPLT_HEADER_SIZE (2 * GOT_ENTRY_SIZE) ++ ++#define sec_addr(sec) ((sec)->output_section->vma + (sec)->output_offset) ++ ++static bfd_vma ++riscv_elf_got_plt_val (bfd_vma plt_index, struct bfd_link_info *info) ++{ ++ return sec_addr (riscv_elf_hash_table (info)->elf.sgotplt) ++ + GOTPLT_HEADER_SIZE + (plt_index * GOT_ENTRY_SIZE); ++} ++ ++#if ARCH_SIZE == 32 ++# define MATCH_LREG MATCH_LW ++#else ++# define MATCH_LREG MATCH_LD ++#endif ++ ++/* Generate a PLT header. */ ++ ++static void ++riscv_make_plt_header (bfd_vma gotplt_addr, bfd_vma addr, uint32_t *entry) ++{ ++ bfd_vma gotplt_offset_high = RISCV_PCREL_HIGH_PART (gotplt_addr, addr); ++ bfd_vma gotplt_offset_low = RISCV_PCREL_LOW_PART (gotplt_addr, addr); ++ ++ /* auipc t2, %hi(.got.plt) ++ sub t1, t1, t3 # shifted .got.plt offset + hdr size + 12 ++ l[w|d] t3, %lo(.got.plt)(t2) # _dl_runtime_resolve ++ addi t1, t1, -(hdr size + 12) # shifted .got.plt offset ++ addi t0, t2, %lo(.got.plt) # &.got.plt ++ srli t1, t1, log2(16/PTRSIZE) # .got.plt offset ++ l[w|d] t0, PTRSIZE(t0) # link map ++ jr t3 */ ++ ++ entry[0] = RISCV_UTYPE (AUIPC, X_T2, gotplt_offset_high); ++ entry[1] = RISCV_RTYPE (SUB, X_T1, X_T1, X_T3); ++ entry[2] = RISCV_ITYPE (LREG, X_T3, X_T2, gotplt_offset_low); ++ entry[3] = RISCV_ITYPE (ADDI, X_T1, X_T1, -(PLT_HEADER_SIZE + 12)); ++ entry[4] = RISCV_ITYPE (ADDI, X_T0, X_T2, gotplt_offset_low); ++ entry[5] = RISCV_ITYPE (SRLI, X_T1, X_T1, 4 - RISCV_ELF_LOG_WORD_BYTES); ++ entry[6] = RISCV_ITYPE (LREG, X_T0, X_T0, RISCV_ELF_WORD_BYTES); ++ entry[7] = RISCV_ITYPE (JALR, 0, X_T3, 0); ++} ++ ++/* Generate a PLT entry. */ ++ ++static void ++riscv_make_plt_entry (bfd_vma got, bfd_vma addr, uint32_t *entry) ++{ ++ /* auipc t3, %hi(.got.plt entry) ++ l[w|d] t3, %lo(.got.plt entry)(t3) ++ jalr t1, t3 ++ nop */ ++ ++ entry[0] = RISCV_UTYPE (AUIPC, X_T3, RISCV_PCREL_HIGH_PART (got, addr)); ++ entry[1] = RISCV_ITYPE (LREG, X_T3, X_T3, RISCV_PCREL_LOW_PART(got, addr)); ++ entry[2] = RISCV_ITYPE (JALR, X_T1, X_T3, 0); ++ entry[3] = RISCV_NOP; ++} ++ ++/* Create an entry in an RISC-V ELF linker hash table. */ ++ ++static struct bfd_hash_entry * ++link_hash_newfunc (struct bfd_hash_entry *entry, ++ struct bfd_hash_table *table, const char *string) ++{ ++ /* Allocate the structure if it has not already been allocated by a ++ subclass. */ ++ if (entry == NULL) ++ { ++ entry = ++ bfd_hash_allocate (table, ++ sizeof (struct riscv_elf_link_hash_entry)); ++ if (entry == NULL) ++ return entry; ++ } ++ ++ /* Call the allocation method of the superclass. */ ++ entry = _bfd_elf_link_hash_newfunc (entry, table, string); ++ if (entry != NULL) ++ { ++ struct riscv_elf_link_hash_entry *eh; ++ ++ eh = (struct riscv_elf_link_hash_entry *) entry; ++ eh->dyn_relocs = NULL; ++ eh->tls_type = GOT_UNKNOWN; ++ } ++ ++ return entry; ++} ++ ++/* Create a RISC-V ELF linker hash table. */ ++ ++static struct bfd_link_hash_table * ++riscv_elf_link_hash_table_create (bfd *abfd) ++{ ++ struct riscv_elf_link_hash_table *ret; ++ bfd_size_type amt = sizeof (struct riscv_elf_link_hash_table); ++ ++ ret = (struct riscv_elf_link_hash_table *) bfd_zmalloc (amt); ++ if (ret == NULL) ++ return NULL; ++ ++ if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, ++ sizeof (struct riscv_elf_link_hash_entry), ++ RISCV_ELF_DATA)) ++ { ++ free (ret); ++ return NULL; ++ } ++ ++ return &ret->elf.root; ++} ++ ++/* Create the .got section. */ ++ ++static bfd_boolean ++riscv_elf_create_got_section (bfd *abfd, struct bfd_link_info *info) ++{ ++ flagword flags; ++ asection *s, *s_got; ++ struct elf_link_hash_entry *h; ++ const struct elf_backend_data *bed = get_elf_backend_data (abfd); ++ struct elf_link_hash_table *htab = elf_hash_table (info); ++ ++ /* This function may be called more than once. */ ++ s = bfd_get_linker_section (abfd, ".got"); ++ if (s != NULL) ++ return TRUE; ++ ++ flags = bed->dynamic_sec_flags; ++ ++ s = bfd_make_section_anyway_with_flags (abfd, ++ (bed->rela_plts_and_copies_p ++ ? ".rela.got" : ".rel.got"), ++ (bed->dynamic_sec_flags ++ | SEC_READONLY)); ++ if (s == NULL ++ || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) ++ return FALSE; ++ htab->srelgot = s; ++ ++ s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags); ++ if (s == NULL ++ || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) ++ return FALSE; ++ htab->sgot = s; ++ ++ /* The first bit of the global offset table is the header. */ ++ s->size += bed->got_header_size; ++ ++ if (bed->want_got_plt) ++ { ++ s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags); ++ if (s == NULL ++ || !bfd_set_section_alignment (abfd, s, ++ bed->s->log_file_align)) ++ return FALSE; ++ htab->sgotplt = s; ++ ++ /* Reserve room for the header. */ ++ s->size += GOTPLT_HEADER_SIZE; ++ } ++ ++ if (bed->want_got_sym) ++ { ++ /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got ++ section. We don't do this in the linker script because we don't want ++ to define the symbol if we are not creating a global offset ++ table. */ ++ h = _bfd_elf_define_linkage_sym (abfd, info, s_got, ++ "_GLOBAL_OFFSET_TABLE_"); ++ elf_hash_table (info)->hgot = h; ++ if (h == NULL) ++ return FALSE; ++ } ++ ++ return TRUE; ++} ++ ++/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and ++ .rela.bss sections in DYNOBJ, and set up shortcuts to them in our ++ hash table. */ ++ ++static bfd_boolean ++riscv_elf_create_dynamic_sections (bfd *dynobj, ++ struct bfd_link_info *info) ++{ ++ struct riscv_elf_link_hash_table *htab; ++ ++ htab = riscv_elf_hash_table (info); ++ BFD_ASSERT (htab != NULL); ++ ++ if (!riscv_elf_create_got_section (dynobj, info)) ++ return FALSE; ++ ++ if (!_bfd_elf_create_dynamic_sections (dynobj, info)) ++ return FALSE; ++ ++ htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss"); ++ if (!bfd_link_pic (info)) ++ { ++ htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss"); ++ htab->sdyntdata = ++ bfd_make_section_anyway_with_flags (dynobj, ".tdata.dyn", ++ SEC_ALLOC | SEC_THREAD_LOCAL); ++ } ++ ++ if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss ++ || (!bfd_link_pic (info) && (!htab->srelbss || !htab->sdyntdata))) ++ abort (); ++ ++ return TRUE; ++} ++ ++/* Copy the extra info we tack onto an elf_link_hash_entry. */ ++ ++static void ++riscv_elf_copy_indirect_symbol (struct bfd_link_info *info, ++ struct elf_link_hash_entry *dir, ++ struct elf_link_hash_entry *ind) ++{ ++ struct riscv_elf_link_hash_entry *edir, *eind; ++ ++ edir = (struct riscv_elf_link_hash_entry *) dir; ++ eind = (struct riscv_elf_link_hash_entry *) ind; ++ ++ if (eind->dyn_relocs != NULL) ++ { ++ if (edir->dyn_relocs != NULL) ++ { ++ struct riscv_elf_dyn_relocs **pp; ++ struct riscv_elf_dyn_relocs *p; ++ ++ /* Add reloc counts against the indirect sym to the direct sym ++ list. Merge any entries against the same section. */ ++ for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) ++ { ++ struct riscv_elf_dyn_relocs *q; ++ ++ for (q = edir->dyn_relocs; q != NULL; q = q->next) ++ if (q->sec == p->sec) ++ { ++ q->pc_count += p->pc_count; ++ q->count += p->count; ++ *pp = p->next; ++ break; ++ } ++ if (q == NULL) ++ pp = &p->next; ++ } ++ *pp = edir->dyn_relocs; ++ } ++ ++ edir->dyn_relocs = eind->dyn_relocs; ++ eind->dyn_relocs = NULL; ++ } ++ ++ if (ind->root.type == bfd_link_hash_indirect ++ && dir->got.refcount <= 0) ++ { ++ edir->tls_type = eind->tls_type; ++ eind->tls_type = GOT_UNKNOWN; ++ } ++ _bfd_elf_link_hash_copy_indirect (info, dir, ind); ++} ++ ++static bfd_boolean ++riscv_elf_record_tls_type (bfd *abfd, struct elf_link_hash_entry *h, ++ unsigned long symndx, char tls_type) ++{ ++ char *new_tls_type = &_bfd_riscv_elf_tls_type (abfd, h, symndx); ++ *new_tls_type |= tls_type; ++ if ((*new_tls_type & GOT_NORMAL) && (*new_tls_type & ~GOT_NORMAL)) ++ { ++ (*_bfd_error_handler) ++ (_("%B: `%s' accessed both as normal and thread local symbol"), ++ abfd, h ? h->root.root.string : "<local>"); ++ return FALSE; ++ } ++ return TRUE; ++} ++ ++static bfd_boolean ++riscv_elf_record_got_reference (bfd *abfd, struct bfd_link_info *info, ++ struct elf_link_hash_entry *h, long symndx) ++{ ++ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info); ++ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (abfd)->symtab_hdr; ++ ++ if (htab->elf.sgot == NULL) ++ { ++ if (!riscv_elf_create_got_section (htab->elf.dynobj, info)) ++ return FALSE; ++ } ++ ++ if (h != NULL) ++ { ++ h->got.refcount += 1; ++ return TRUE; ++ } ++ ++ /* This is a global offset table entry for a local symbol. */ ++ if (elf_local_got_refcounts (abfd) == NULL) ++ { ++ bfd_size_type size = symtab_hdr->sh_info * (sizeof (bfd_vma) + 1); ++ if (!(elf_local_got_refcounts (abfd) = bfd_zalloc (abfd, size))) ++ return FALSE; ++ _bfd_riscv_elf_local_got_tls_type (abfd) ++ = (char *) (elf_local_got_refcounts (abfd) + symtab_hdr->sh_info); ++ } ++ elf_local_got_refcounts (abfd) [symndx] += 1; ++ ++ return TRUE; ++} ++ ++static bfd_boolean ++bad_static_reloc (bfd *abfd, unsigned r_type, struct elf_link_hash_entry *h) ++{ ++ (*_bfd_error_handler) ++ (_("%B: relocation %s against `%s' can not be used when making a shared " ++ "object; recompile with -fPIC"), ++ abfd, riscv_elf_rtype_to_howto (r_type)->name, ++ h != NULL ? h->root.root.string : "a local symbol"); ++ bfd_set_error (bfd_error_bad_value); ++ return FALSE; ++} ++/* Look through the relocs for a section during the first phase, and ++ allocate space in the global offset table or procedure linkage ++ table. */ ++ ++static bfd_boolean ++riscv_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, ++ asection *sec, const Elf_Internal_Rela *relocs) ++{ ++ struct riscv_elf_link_hash_table *htab; ++ Elf_Internal_Shdr *symtab_hdr; ++ struct elf_link_hash_entry **sym_hashes; ++ const Elf_Internal_Rela *rel; ++ asection *sreloc = NULL; ++ ++ if (bfd_link_relocatable (info)) ++ return TRUE; ++ ++ htab = riscv_elf_hash_table (info); ++ symtab_hdr = &elf_tdata (abfd)->symtab_hdr; ++ sym_hashes = elf_sym_hashes (abfd); ++ ++ if (htab->elf.dynobj == NULL) ++ htab->elf.dynobj = abfd; ++ ++ for (rel = relocs; rel < relocs + sec->reloc_count; rel++) ++ { ++ unsigned int r_type; ++ unsigned long r_symndx; ++ struct elf_link_hash_entry *h; ++ ++ r_symndx = ELFNN_R_SYM (rel->r_info); ++ r_type = ELFNN_R_TYPE (rel->r_info); ++ ++ if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) ++ { ++ (*_bfd_error_handler) (_("%B: bad symbol index: %d"), ++ abfd, r_symndx); ++ return FALSE; ++ } ++ ++ if (r_symndx < symtab_hdr->sh_info) ++ h = NULL; ++ else ++ { ++ h = sym_hashes[r_symndx - symtab_hdr->sh_info]; ++ while (h->root.type == bfd_link_hash_indirect ++ || h->root.type == bfd_link_hash_warning) ++ h = (struct elf_link_hash_entry *) h->root.u.i.link; ++ ++ /* PR15323, ref flags aren't set for references in the same ++ object. */ ++ h->root.non_ir_ref = 1; ++ } ++ ++ switch (r_type) ++ { ++ case R_RISCV_TLS_GD_HI20: ++ if (!riscv_elf_record_got_reference (abfd, info, h, r_symndx) ++ || !riscv_elf_record_tls_type (abfd, h, r_symndx, GOT_TLS_GD)) ++ return FALSE; ++ break; ++ ++ case R_RISCV_TLS_GOT_HI20: ++ if (bfd_link_pic (info)) ++ info->flags |= DF_STATIC_TLS; ++ if (!riscv_elf_record_got_reference (abfd, info, h, r_symndx) ++ || !riscv_elf_record_tls_type (abfd, h, r_symndx, GOT_TLS_IE)) ++ return FALSE; ++ break; ++ ++ case R_RISCV_GOT_HI20: ++ if (!riscv_elf_record_got_reference (abfd, info, h, r_symndx) ++ || !riscv_elf_record_tls_type (abfd, h, r_symndx, GOT_NORMAL)) ++ return FALSE; ++ break; ++ ++ case R_RISCV_CALL_PLT: ++ /* This symbol requires a procedure linkage table entry. We ++ actually build the entry in adjust_dynamic_symbol, ++ because this might be a case of linking PIC code without ++ linking in any dynamic objects, in which case we don't ++ need to generate a procedure linkage table after all. */ ++ ++ if (h != NULL) ++ { ++ h->needs_plt = 1; ++ h->plt.refcount += 1; ++ } ++ break; ++ ++ case R_RISCV_CALL: ++ case R_RISCV_JAL: ++ case R_RISCV_BRANCH: ++ case R_RISCV_RVC_BRANCH: ++ case R_RISCV_RVC_JUMP: ++ case R_RISCV_PCREL_HI20: ++ /* In shared libraries, these relocs are known to bind locally. */ ++ if (bfd_link_pic (info)) ++ break; ++ goto static_reloc; ++ ++ case R_RISCV_TPREL_HI20: ++ if (!bfd_link_executable (info)) ++ return bad_static_reloc (abfd, r_type, h); ++ if (h != NULL) ++ riscv_elf_record_tls_type (abfd, h, r_symndx, GOT_TLS_LE); ++ goto static_reloc; ++ ++ case R_RISCV_HI20: ++ if (bfd_link_pic (info)) ++ return bad_static_reloc (abfd, r_type, h); ++ /* Fall through. */ ++ ++ case R_RISCV_COPY: ++ case R_RISCV_JUMP_SLOT: ++ case R_RISCV_RELATIVE: ++ case R_RISCV_64: ++ case R_RISCV_32: ++ /* Fall through. */ ++ ++ static_reloc: ++ /* This reloc might not bind locally. */ ++ if (h != NULL) ++ h->non_got_ref = 1; ++ ++ if (h != NULL && !bfd_link_pic (info)) ++ { ++ /* We may need a .plt entry if the function this reloc ++ refers to is in a shared lib. */ ++ h->plt.refcount += 1; ++ } ++ ++ /* If we are creating a shared library, and this is a reloc ++ against a global symbol, or a non PC relative reloc ++ against a local symbol, then we need to copy the reloc ++ into the shared library. However, if we are linking with ++ -Bsymbolic, we do not need to copy a reloc against a ++ global symbol which is defined in an object we are ++ including in the link (i.e., DEF_REGULAR is set). At ++ this point we have not seen all the input files, so it is ++ possible that DEF_REGULAR is not set now but will be set ++ later (it is never cleared). In case of a weak definition, ++ DEF_REGULAR may be cleared later by a strong definition in ++ a shared library. We account for that possibility below by ++ storing information in the relocs_copied field of the hash ++ table entry. A similar situation occurs when creating ++ shared libraries and symbol visibility changes render the ++ symbol local. ++ ++ If on the other hand, we are creating an executable, we ++ may need to keep relocations for symbols satisfied by a ++ dynamic library if we manage to avoid copy relocs for the ++ symbol. */ ++ if ((bfd_link_pic (info) ++ && (sec->flags & SEC_ALLOC) != 0 ++ && (! riscv_elf_rtype_to_howto (r_type)->pc_relative ++ || (h != NULL ++ && (! info->symbolic ++ || h->root.type == bfd_link_hash_defweak ++ || !h->def_regular)))) ++ || (!bfd_link_pic (info) ++ && (sec->flags & SEC_ALLOC) != 0 ++ && h != NULL ++ && (h->root.type == bfd_link_hash_defweak ++ || !h->def_regular))) ++ { ++ struct riscv_elf_dyn_relocs *p; ++ struct riscv_elf_dyn_relocs **head; ++ ++ /* When creating a shared object, we must copy these ++ relocs into the output file. We create a reloc ++ section in dynobj and make room for the reloc. */ ++ if (sreloc == NULL) ++ { ++ sreloc = _bfd_elf_make_dynamic_reloc_section ++ (sec, htab->elf.dynobj, RISCV_ELF_LOG_WORD_BYTES, ++ abfd, /*rela?*/ TRUE); ++ ++ if (sreloc == NULL) ++ return FALSE; ++ } ++ ++ /* If this is a global symbol, we count the number of ++ relocations we need for this symbol. */ ++ if (h != NULL) ++ head = &((struct riscv_elf_link_hash_entry *) h)->dyn_relocs; ++ else ++ { ++ /* Track dynamic relocs needed for local syms too. ++ We really need local syms available to do this ++ easily. Oh well. */ ++ ++ asection *s; ++ void *vpp; ++ Elf_Internal_Sym *isym; ++ ++ isym = bfd_sym_from_r_symndx (&htab->sym_cache, ++ abfd, r_symndx); ++ if (isym == NULL) ++ return FALSE; ++ ++ s = bfd_section_from_elf_index (abfd, isym->st_shndx); ++ if (s == NULL) ++ s = sec; ++ ++ vpp = &elf_section_data (s)->local_dynrel; ++ head = (struct riscv_elf_dyn_relocs **) vpp; ++ } ++ ++ p = *head; ++ if (p == NULL || p->sec != sec) ++ { ++ bfd_size_type amt = sizeof *p; ++ p = ((struct riscv_elf_dyn_relocs *) ++ bfd_alloc (htab->elf.dynobj, amt)); ++ if (p == NULL) ++ return FALSE; ++ p->next = *head; ++ *head = p; ++ p->sec = sec; ++ p->count = 0; ++ p->pc_count = 0; ++ } ++ ++ p->count += 1; ++ p->pc_count += riscv_elf_rtype_to_howto (r_type)->pc_relative; ++ } ++ ++ break; ++ ++ case R_RISCV_GNU_VTINHERIT: ++ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) ++ return FALSE; ++ break; ++ ++ case R_RISCV_GNU_VTENTRY: ++ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) ++ return FALSE; ++ break; ++ ++ default: ++ break; ++ } ++ } ++ ++ return TRUE; ++} ++ ++static asection * ++riscv_elf_gc_mark_hook (asection *sec, ++ struct bfd_link_info *info, ++ Elf_Internal_Rela *rel, ++ struct elf_link_hash_entry *h, ++ Elf_Internal_Sym *sym) ++{ ++ if (h != NULL) ++ switch (ELFNN_R_TYPE (rel->r_info)) ++ { ++ case R_RISCV_GNU_VTINHERIT: ++ case R_RISCV_GNU_VTENTRY: ++ return NULL; ++ } ++ ++ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); ++} ++ ++/* Update the got entry reference counts for the section being removed. */ ++static bfd_boolean ++riscv_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, ++ asection *sec, const Elf_Internal_Rela *relocs) ++{ ++ const Elf_Internal_Rela *rel, *relend; ++ Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (abfd); ++ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (abfd); ++ bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd); ++ ++ if (bfd_link_relocatable (info)) ++ return TRUE; ++ ++ elf_section_data (sec)->local_dynrel = NULL; ++ ++ for (rel = relocs, relend = relocs + sec->reloc_count; rel < relend; rel++) ++ { ++ unsigned long r_symndx; ++ struct elf_link_hash_entry *h = NULL; ++ ++ r_symndx = ELFNN_R_SYM (rel->r_info); ++ if (r_symndx >= symtab_hdr->sh_info) ++ { ++ struct riscv_elf_link_hash_entry *eh; ++ struct riscv_elf_dyn_relocs **pp; ++ struct riscv_elf_dyn_relocs *p; ++ ++ h = sym_hashes[r_symndx - symtab_hdr->sh_info]; ++ while (h->root.type == bfd_link_hash_indirect ++ || h->root.type == bfd_link_hash_warning) ++ h = (struct elf_link_hash_entry *) h->root.u.i.link; ++ eh = (struct riscv_elf_link_hash_entry *) h; ++ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) ++ if (p->sec == sec) ++ { ++ /* Everything must go for SEC. */ ++ *pp = p->next; ++ break; ++ } ++ } ++ ++ switch (ELFNN_R_TYPE (rel->r_info)) ++ { ++ case R_RISCV_GOT_HI20: ++ case R_RISCV_TLS_GOT_HI20: ++ case R_RISCV_TLS_GD_HI20: ++ if (h != NULL) ++ { ++ if (h->got.refcount > 0) ++ h->got.refcount--; ++ } ++ else ++ { ++ if (local_got_refcounts && ++ local_got_refcounts[r_symndx] > 0) ++ local_got_refcounts[r_symndx]--; ++ } ++ break; ++ ++ case R_RISCV_HI20: ++ case R_RISCV_PCREL_HI20: ++ case R_RISCV_COPY: ++ case R_RISCV_JUMP_SLOT: ++ case R_RISCV_RELATIVE: ++ case R_RISCV_64: ++ case R_RISCV_32: ++ case R_RISCV_BRANCH: ++ case R_RISCV_CALL: ++ case R_RISCV_JAL: ++ case R_RISCV_RVC_BRANCH: ++ case R_RISCV_RVC_JUMP: ++ if (bfd_link_pic (info)) ++ break; ++ /* Fall through. */ ++ ++ case R_RISCV_CALL_PLT: ++ if (h != NULL) ++ { ++ if (h->plt.refcount > 0) ++ h->plt.refcount--; ++ } ++ break; ++ ++ default: ++ break; ++ } ++ } ++ ++ return TRUE; ++} ++ ++/* Adjust a symbol defined by a dynamic object and referenced by a ++ regular object. The current definition is in some section of the ++ dynamic object, but we're not including those sections. We have to ++ change the definition to something the rest of the link can ++ understand. */ ++ ++static bfd_boolean ++riscv_elf_adjust_dynamic_symbol (struct bfd_link_info *info, ++ struct elf_link_hash_entry *h) ++{ ++ struct riscv_elf_link_hash_table *htab; ++ struct riscv_elf_link_hash_entry * eh; ++ struct riscv_elf_dyn_relocs *p; ++ bfd *dynobj; ++ asection *s; ++ ++ htab = riscv_elf_hash_table (info); ++ BFD_ASSERT (htab != NULL); ++ ++ dynobj = htab->elf.dynobj; ++ ++ /* Make sure we know what is going on here. */ ++ BFD_ASSERT (dynobj != NULL ++ && (h->needs_plt ++ || h->type == STT_GNU_IFUNC ++ || h->u.weakdef != NULL ++ || (h->def_dynamic ++ && h->ref_regular ++ && !h->def_regular))); ++ ++ /* If this is a function, put it in the procedure linkage table. We ++ will fill in the contents of the procedure linkage table later ++ (although we could actually do it here). */ ++ if (h->type == STT_FUNC || h->type == STT_GNU_IFUNC || h->needs_plt) ++ { ++ if (h->plt.refcount <= 0 ++ || SYMBOL_CALLS_LOCAL (info, h) ++ || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT ++ && h->root.type == bfd_link_hash_undefweak)) ++ { ++ /* This case can occur if we saw a R_RISCV_CALL_PLT reloc in an ++ input file, but the symbol was never referred to by a dynamic ++ object, or if all references were garbage collected. In such ++ a case, we don't actually need to build a PLT entry. */ ++ h->plt.offset = (bfd_vma) -1; ++ h->needs_plt = 0; ++ } ++ ++ return TRUE; ++ } ++ else ++ h->plt.offset = (bfd_vma) -1; ++ ++ /* If this is a weak symbol, and there is a real definition, the ++ processor independent code will have arranged for us to see the ++ real definition first, and we can just use the same value. */ ++ if (h->u.weakdef != NULL) ++ { ++ BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined ++ || h->u.weakdef->root.type == bfd_link_hash_defweak); ++ h->root.u.def.section = h->u.weakdef->root.u.def.section; ++ h->root.u.def.value = h->u.weakdef->root.u.def.value; ++ return TRUE; ++ } ++ ++ /* This is a reference to a symbol defined by a dynamic object which ++ is not a function. */ ++ ++ /* If we are creating a shared library, we must presume that the ++ only references to the symbol are via the global offset table. ++ For such cases we need not do anything here; the relocations will ++ be handled correctly by relocate_section. */ ++ if (bfd_link_pic (info)) ++ return TRUE; ++ ++ /* If there are no references to this symbol that do not use the ++ GOT, we don't need to generate a copy reloc. */ ++ if (!h->non_got_ref) ++ return TRUE; ++ ++ /* If -z nocopyreloc was given, we won't generate them either. */ ++ if (info->nocopyreloc) ++ { ++ h->non_got_ref = 0; ++ return TRUE; ++ } ++ ++ eh = (struct riscv_elf_link_hash_entry *) h; ++ for (p = eh->dyn_relocs; p != NULL; p = p->next) ++ { ++ s = p->sec->output_section; ++ if (s != NULL && (s->flags & SEC_READONLY) != 0) ++ break; ++ } ++ ++ /* If we didn't find any dynamic relocs in read-only sections, then ++ we'll be keeping the dynamic relocs and avoiding the copy reloc. */ ++ if (p == NULL) ++ { ++ h->non_got_ref = 0; ++ return TRUE; ++ } ++ ++ /* We must allocate the symbol in our .dynbss section, which will ++ become part of the .bss section of the executable. There will be ++ an entry for this symbol in the .dynsym section. The dynamic ++ object will contain position independent code, so all references ++ from the dynamic object to this symbol will go through the global ++ offset table. The dynamic linker will use the .dynsym entry to ++ determine the address it must put in the global offset table, so ++ both the dynamic object and the regular object will refer to the ++ same memory location for the variable. */ ++ ++ /* We must generate a R_RISCV_COPY reloc to tell the dynamic linker ++ to copy the initial value out of the dynamic object and into the ++ runtime process image. We need to remember the offset into the ++ .rel.bss section we are going to use. */ ++ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) ++ { ++ htab->srelbss->size += sizeof (ElfNN_External_Rela); ++ h->needs_copy = 1; ++ } ++ ++ if (eh->tls_type & ~GOT_NORMAL) ++ return _bfd_elf_adjust_dynamic_copy (info, h, htab->sdyntdata); ++ ++ return _bfd_elf_adjust_dynamic_copy (info, h, htab->sdynbss); ++} ++ ++/* Allocate space in .plt, .got and associated reloc sections for ++ dynamic relocs. */ ++ ++static bfd_boolean ++allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) ++{ ++ struct bfd_link_info *info; ++ struct riscv_elf_link_hash_table *htab; ++ struct riscv_elf_link_hash_entry *eh; ++ struct riscv_elf_dyn_relocs *p; ++ ++ if (h->root.type == bfd_link_hash_indirect) ++ return TRUE; ++ ++ info = (struct bfd_link_info *) inf; ++ htab = riscv_elf_hash_table (info); ++ BFD_ASSERT (htab != NULL); ++ ++ if (htab->elf.dynamic_sections_created ++ && h->plt.refcount > 0) ++ { ++ /* Make sure this symbol is output as a dynamic symbol. ++ Undefined weak syms won't yet be marked as dynamic. */ ++ if (h->dynindx == -1 ++ && !h->forced_local) ++ { ++ if (! bfd_elf_link_record_dynamic_symbol (info, h)) ++ return FALSE; ++ } ++ ++ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)) ++ { ++ asection *s = htab->elf.splt; ++ ++ if (s->size == 0) ++ s->size = PLT_HEADER_SIZE; ++ ++ h->plt.offset = s->size; ++ ++ /* Make room for this entry. */ ++ s->size += PLT_ENTRY_SIZE; ++ ++ /* We also need to make an entry in the .got.plt section. */ ++ htab->elf.sgotplt->size += GOT_ENTRY_SIZE; ++ ++ /* We also need to make an entry in the .rela.plt section. */ ++ htab->elf.srelplt->size += sizeof (ElfNN_External_Rela); ++ ++ /* If this symbol is not defined in a regular file, and we are ++ not generating a shared library, then set the symbol to this ++ location in the .plt. This is required to make function ++ pointers compare as equal between the normal executable and ++ the shared library. */ ++ if (! bfd_link_pic (info) ++ && !h->def_regular) ++ { ++ h->root.u.def.section = s; ++ h->root.u.def.value = h->plt.offset; ++ } ++ } ++ else ++ { ++ h->plt.offset = (bfd_vma) -1; ++ h->needs_plt = 0; ++ } ++ } ++ else ++ { ++ h->plt.offset = (bfd_vma) -1; ++ h->needs_plt = 0; ++ } ++ ++ if (h->got.refcount > 0) ++ { ++ asection *s; ++ bfd_boolean dyn; ++ int tls_type = riscv_elf_hash_entry (h)->tls_type; ++ ++ /* Make sure this symbol is output as a dynamic symbol. ++ Undefined weak syms won't yet be marked as dynamic. */ ++ if (h->dynindx == -1 ++ && !h->forced_local) ++ { ++ if (! bfd_elf_link_record_dynamic_symbol (info, h)) ++ return FALSE; ++ } ++ ++ s = htab->elf.sgot; ++ h->got.offset = s->size; ++ dyn = htab->elf.dynamic_sections_created; ++ if (tls_type & (GOT_TLS_GD | GOT_TLS_IE)) ++ { ++ /* TLS_GD needs two dynamic relocs and two GOT slots. */ ++ if (tls_type & GOT_TLS_GD) ++ { ++ s->size += 2 * RISCV_ELF_WORD_BYTES; ++ htab->elf.srelgot->size += 2 * sizeof (ElfNN_External_Rela); ++ } ++ ++ /* TLS_IE needs one dynamic reloc and one GOT slot. */ ++ if (tls_type & GOT_TLS_IE) ++ { ++ s->size += RISCV_ELF_WORD_BYTES; ++ htab->elf.srelgot->size += sizeof (ElfNN_External_Rela); ++ } ++ } ++ else ++ { ++ s->size += RISCV_ELF_WORD_BYTES; ++ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)) ++ htab->elf.srelgot->size += sizeof (ElfNN_External_Rela); ++ } ++ } ++ else ++ h->got.offset = (bfd_vma) -1; ++ ++ eh = (struct riscv_elf_link_hash_entry *) h; ++ if (eh->dyn_relocs == NULL) ++ return TRUE; ++ ++ /* In the shared -Bsymbolic case, discard space allocated for ++ dynamic pc-relative relocs against symbols which turn out to be ++ defined in regular objects. For the normal shared case, discard ++ space for pc-relative relocs that have become local due to symbol ++ visibility changes. */ ++ ++ if (bfd_link_pic (info)) ++ { ++ if (SYMBOL_CALLS_LOCAL (info, h)) ++ { ++ struct riscv_elf_dyn_relocs **pp; ++ ++ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) ++ { ++ p->count -= p->pc_count; ++ p->pc_count = 0; ++ if (p->count == 0) ++ *pp = p->next; ++ else ++ pp = &p->next; ++ } ++ } ++ ++ /* Also discard relocs on undefined weak syms with non-default ++ visibility. */ ++ if (eh->dyn_relocs != NULL ++ && h->root.type == bfd_link_hash_undefweak) ++ { ++ if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) ++ eh->dyn_relocs = NULL; ++ ++ /* Make sure undefined weak symbols are output as a dynamic ++ symbol in PIEs. */ ++ else if (h->dynindx == -1 ++ && !h->forced_local) ++ { ++ if (! bfd_elf_link_record_dynamic_symbol (info, h)) ++ return FALSE; ++ } ++ } ++ } ++ else ++ { ++ /* For the non-shared case, discard space for relocs against ++ symbols which turn out to need copy relocs or are not ++ dynamic. */ ++ ++ if (!h->non_got_ref ++ && ((h->def_dynamic ++ && !h->def_regular) ++ || (htab->elf.dynamic_sections_created ++ && (h->root.type == bfd_link_hash_undefweak ++ || h->root.type == bfd_link_hash_undefined)))) ++ { ++ /* Make sure this symbol is output as a dynamic symbol. ++ Undefined weak syms won't yet be marked as dynamic. */ ++ if (h->dynindx == -1 ++ && !h->forced_local) ++ { ++ if (! bfd_elf_link_record_dynamic_symbol (info, h)) ++ return FALSE; ++ } ++ ++ /* If that succeeded, we know we'll be keeping all the ++ relocs. */ ++ if (h->dynindx != -1) ++ goto keep; ++ } ++ ++ eh->dyn_relocs = NULL; ++ ++ keep: ; ++ } ++ ++ /* Finally, allocate space. */ ++ for (p = eh->dyn_relocs; p != NULL; p = p->next) ++ { ++ asection *sreloc = elf_section_data (p->sec)->sreloc; ++ sreloc->size += p->count * sizeof (ElfNN_External_Rela); ++ } ++ ++ return TRUE; ++} ++ ++/* Find any dynamic relocs that apply to read-only sections. */ ++ ++static bfd_boolean ++readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf) ++{ ++ struct riscv_elf_link_hash_entry *eh; ++ struct riscv_elf_dyn_relocs *p; ++ ++ eh = (struct riscv_elf_link_hash_entry *) h; ++ for (p = eh->dyn_relocs; p != NULL; p = p->next) ++ { ++ asection *s = p->sec->output_section; ++ ++ if (s != NULL && (s->flags & SEC_READONLY) != 0) ++ { ++ ((struct bfd_link_info *) inf)->flags |= DF_TEXTREL; ++ return FALSE; ++ } ++ } ++ return TRUE; ++} ++ ++static bfd_boolean ++riscv_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) ++{ ++ struct riscv_elf_link_hash_table *htab; ++ bfd *dynobj; ++ asection *s; ++ bfd *ibfd; ++ ++ htab = riscv_elf_hash_table (info); ++ BFD_ASSERT (htab != NULL); ++ dynobj = htab->elf.dynobj; ++ BFD_ASSERT (dynobj != NULL); ++ ++ if (elf_hash_table (info)->dynamic_sections_created) ++ { ++ /* Set the contents of the .interp section to the interpreter. */ ++ if (bfd_link_executable (info) && !info->nointerp) ++ { ++ s = bfd_get_linker_section (dynobj, ".interp"); ++ BFD_ASSERT (s != NULL); ++ s->size = strlen (ELFNN_DYNAMIC_INTERPRETER) + 1; ++ s->contents = (unsigned char *) ELFNN_DYNAMIC_INTERPRETER; ++ } ++ } ++ ++ /* Set up .got offsets for local syms, and space for local dynamic ++ relocs. */ ++ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) ++ { ++ bfd_signed_vma *local_got; ++ bfd_signed_vma *end_local_got; ++ char *local_tls_type; ++ bfd_size_type locsymcount; ++ Elf_Internal_Shdr *symtab_hdr; ++ asection *srel; ++ ++ if (! is_riscv_elf (ibfd)) ++ continue; ++ ++ for (s = ibfd->sections; s != NULL; s = s->next) ++ { ++ struct riscv_elf_dyn_relocs *p; ++ ++ for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next) ++ { ++ if (!bfd_is_abs_section (p->sec) ++ && bfd_is_abs_section (p->sec->output_section)) ++ { ++ /* Input section has been discarded, either because ++ it is a copy of a linkonce section or due to ++ linker script /DISCARD/, so we'll be discarding ++ the relocs too. */ ++ } ++ else if (p->count != 0) ++ { ++ srel = elf_section_data (p->sec)->sreloc; ++ srel->size += p->count * sizeof (ElfNN_External_Rela); ++ if ((p->sec->output_section->flags & SEC_READONLY) != 0) ++ info->flags |= DF_TEXTREL; ++ } ++ } ++ } ++ ++ local_got = elf_local_got_refcounts (ibfd); ++ if (!local_got) ++ continue; ++ ++ symtab_hdr = &elf_symtab_hdr (ibfd); ++ locsymcount = symtab_hdr->sh_info; ++ end_local_got = local_got + locsymcount; ++ local_tls_type = _bfd_riscv_elf_local_got_tls_type (ibfd); ++ s = htab->elf.sgot; ++ srel = htab->elf.srelgot; ++ for (; local_got < end_local_got; ++local_got, ++local_tls_type) ++ { ++ if (*local_got > 0) ++ { ++ *local_got = s->size; ++ s->size += RISCV_ELF_WORD_BYTES; ++ if (*local_tls_type & GOT_TLS_GD) ++ s->size += RISCV_ELF_WORD_BYTES; ++ if (bfd_link_pic (info) ++ || (*local_tls_type & (GOT_TLS_GD | GOT_TLS_IE))) ++ srel->size += sizeof (ElfNN_External_Rela); ++ } ++ else ++ *local_got = (bfd_vma) -1; ++ } ++ } ++ ++ /* Allocate global sym .plt and .got entries, and space for global ++ sym dynamic relocs. */ ++ elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info); ++ ++ if (htab->elf.sgotplt) ++ { ++ struct elf_link_hash_entry *got; ++ got = elf_link_hash_lookup (elf_hash_table (info), ++ "_GLOBAL_OFFSET_TABLE_", ++ FALSE, FALSE, FALSE); ++ ++ /* Don't allocate .got.plt section if there are no GOT nor PLT ++ entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */ ++ if ((got == NULL ++ || !got->ref_regular_nonweak) ++ && (htab->elf.sgotplt->size == GOTPLT_HEADER_SIZE) ++ && (htab->elf.splt == NULL ++ || htab->elf.splt->size == 0) ++ && (htab->elf.sgot == NULL ++ || (htab->elf.sgot->size ++ == get_elf_backend_data (output_bfd)->got_header_size))) ++ htab->elf.sgotplt->size = 0; ++ } ++ ++ /* The check_relocs and adjust_dynamic_symbol entry points have ++ determined the sizes of the various dynamic sections. Allocate ++ memory for them. */ ++ for (s = dynobj->sections; s != NULL; s = s->next) ++ { ++ if ((s->flags & SEC_LINKER_CREATED) == 0) ++ continue; ++ ++ if (s == htab->elf.splt ++ || s == htab->elf.sgot ++ || s == htab->elf.sgotplt ++ || s == htab->sdynbss) ++ { ++ /* Strip this section if we don't need it; see the ++ comment below. */ ++ } ++ else if (strncmp (s->name, ".rela", 5) == 0) ++ { ++ if (s->size != 0) ++ { ++ /* We use the reloc_count field as a counter if we need ++ to copy relocs into the output file. */ ++ s->reloc_count = 0; ++ } ++ } ++ else ++ { ++ /* It's not one of our sections. */ ++ continue; ++ } ++ ++ if (s->size == 0) ++ { ++ /* If we don't need this section, strip it from the ++ output file. This is mostly to handle .rela.bss and ++ .rela.plt. We must create both sections in ++ create_dynamic_sections, because they must be created ++ before the linker maps input sections to output ++ sections. The linker does that before ++ adjust_dynamic_symbol is called, and it is that ++ function which decides whether anything needs to go ++ into these sections. */ ++ s->flags |= SEC_EXCLUDE; ++ continue; ++ } ++ ++ if ((s->flags & SEC_HAS_CONTENTS) == 0) ++ continue; ++ ++ /* Allocate memory for the section contents. Zero the memory ++ for the benefit of .rela.plt, which has 4 unused entries ++ at the beginning, and we don't want garbage. */ ++ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); ++ if (s->contents == NULL) ++ return FALSE; ++ } ++ ++ if (elf_hash_table (info)->dynamic_sections_created) ++ { ++ /* Add some entries to the .dynamic section. We fill in the ++ values later, in riscv_elf_finish_dynamic_sections, but we ++ must add the entries now so that we get the correct size for ++ the .dynamic section. The DT_DEBUG entry is filled in by the ++ dynamic linker and used by the debugger. */ ++#define add_dynamic_entry(TAG, VAL) \ ++ _bfd_elf_add_dynamic_entry (info, TAG, VAL) ++ ++ if (bfd_link_executable (info)) ++ { ++ if (!add_dynamic_entry (DT_DEBUG, 0)) ++ return FALSE; ++ } ++ ++ if (htab->elf.srelplt->size != 0) ++ { ++ if (!add_dynamic_entry (DT_PLTGOT, 0) ++ || !add_dynamic_entry (DT_PLTRELSZ, 0) ++ || !add_dynamic_entry (DT_PLTREL, DT_RELA) ++ || !add_dynamic_entry (DT_JMPREL, 0)) ++ return FALSE; ++ } ++ ++ if (!add_dynamic_entry (DT_RELA, 0) ++ || !add_dynamic_entry (DT_RELASZ, 0) ++ || !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela))) ++ return FALSE; ++ ++ /* If any dynamic relocs apply to a read-only section, ++ then we need a DT_TEXTREL entry. */ ++ if ((info->flags & DF_TEXTREL) == 0) ++ elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info); ++ ++ if (info->flags & DF_TEXTREL) ++ { ++ if (!add_dynamic_entry (DT_TEXTREL, 0)) ++ return FALSE; ++ } ++ } ++#undef add_dynamic_entry ++ ++ return TRUE; ++} ++ ++#define TP_OFFSET 0 ++#define DTP_OFFSET 0x800 ++ ++/* Return the relocation value for a TLS dtp-relative reloc. */ ++ ++static bfd_vma ++dtpoff (struct bfd_link_info *info, bfd_vma address) ++{ ++ /* If tls_sec is NULL, we should have signalled an error already. */ ++ if (elf_hash_table (info)->tls_sec == NULL) ++ return 0; ++ return address - elf_hash_table (info)->tls_sec->vma - DTP_OFFSET; ++} ++ ++/* Return the relocation value for a static TLS tp-relative relocation. */ ++ ++static bfd_vma ++tpoff (struct bfd_link_info *info, bfd_vma address) ++{ ++ /* If tls_sec is NULL, we should have signalled an error already. */ ++ if (elf_hash_table (info)->tls_sec == NULL) ++ return 0; ++ return address - elf_hash_table (info)->tls_sec->vma - TP_OFFSET; ++} ++ ++/* Return the global pointer's value, or 0 if it is not in use. */ ++ ++static bfd_vma ++riscv_global_pointer_value (struct bfd_link_info *info) ++{ ++ struct bfd_link_hash_entry *h; ++ ++ h = bfd_link_hash_lookup (info->hash, "_gp", FALSE, FALSE, TRUE); ++ if (h == NULL || h->type != bfd_link_hash_defined) ++ return 0; ++ ++ return h->u.def.value + sec_addr (h->u.def.section); ++} ++ ++/* Emplace a static relocation. */ ++ ++static bfd_reloc_status_type ++perform_relocation (const reloc_howto_type *howto, ++ const Elf_Internal_Rela *rel, ++ bfd_vma value, ++ asection *input_section, ++ bfd *input_bfd, ++ bfd_byte *contents) ++{ ++ if (howto->pc_relative) ++ value -= sec_addr (input_section) + rel->r_offset; ++ value += rel->r_addend; ++ ++ switch (ELFNN_R_TYPE (rel->r_info)) ++ { ++ case R_RISCV_HI20: ++ case R_RISCV_TPREL_HI20: ++ case R_RISCV_PCREL_HI20: ++ case R_RISCV_GOT_HI20: ++ case R_RISCV_TLS_GOT_HI20: ++ case R_RISCV_TLS_GD_HI20: ++ if (ARCH_SIZE > 32 && !VALID_UTYPE_IMM (RISCV_CONST_HIGH_PART (value))) ++ return bfd_reloc_overflow; ++ value = ENCODE_UTYPE_IMM (RISCV_CONST_HIGH_PART (value)); ++ break; ++ ++ case R_RISCV_LO12_I: ++ case R_RISCV_GPREL_I: ++ case R_RISCV_TPREL_LO12_I: ++ case R_RISCV_PCREL_LO12_I: ++ value = ENCODE_ITYPE_IMM (value); ++ break; ++ ++ case R_RISCV_LO12_S: ++ case R_RISCV_GPREL_S: ++ case R_RISCV_TPREL_LO12_S: ++ case R_RISCV_PCREL_LO12_S: ++ value = ENCODE_STYPE_IMM (value); ++ break; ++ ++ case R_RISCV_CALL: ++ case R_RISCV_CALL_PLT: ++ if (ARCH_SIZE > 32 && !VALID_UTYPE_IMM (RISCV_CONST_HIGH_PART (value))) ++ return bfd_reloc_overflow; ++ value = ENCODE_UTYPE_IMM (RISCV_CONST_HIGH_PART (value)) ++ | (ENCODE_ITYPE_IMM (value) << 32); ++ break; ++ ++ case R_RISCV_JAL: ++ if (!VALID_UJTYPE_IMM (value)) ++ return bfd_reloc_overflow; ++ value = ENCODE_UJTYPE_IMM (value); ++ break; ++ ++ case R_RISCV_BRANCH: ++ if (!VALID_SBTYPE_IMM (value)) ++ return bfd_reloc_overflow; ++ value = ENCODE_SBTYPE_IMM (value); ++ break; ++ ++ case R_RISCV_RVC_BRANCH: ++ if (!VALID_RVC_B_IMM (value)) ++ return bfd_reloc_overflow; ++ value = ENCODE_RVC_B_IMM (value); ++ break; ++ ++ case R_RISCV_RVC_JUMP: ++ if (!VALID_RVC_J_IMM (value)) ++ return bfd_reloc_overflow; ++ value = ENCODE_RVC_J_IMM (value); ++ break; ++ ++ case R_RISCV_RVC_LUI: ++ if (!VALID_RVC_LUI_IMM (RISCV_CONST_HIGH_PART (value))) ++ return bfd_reloc_overflow; ++ value = ENCODE_RVC_LUI_IMM (RISCV_CONST_HIGH_PART (value)); ++ break; ++ ++ case R_RISCV_32: ++ case R_RISCV_64: ++ case R_RISCV_ADD8: ++ case R_RISCV_ADD16: ++ case R_RISCV_ADD32: ++ case R_RISCV_ADD64: ++ case R_RISCV_SUB8: ++ case R_RISCV_SUB16: ++ case R_RISCV_SUB32: ++ case R_RISCV_SUB64: ++ case R_RISCV_TLS_DTPREL32: ++ case R_RISCV_TLS_DTPREL64: ++ break; ++ ++ default: ++ return bfd_reloc_notsupported; ++ } ++ ++ bfd_vma word = bfd_get (howto->bitsize, input_bfd, contents + rel->r_offset); ++ word = (word & ~howto->dst_mask) | (value & howto->dst_mask); ++ bfd_put (howto->bitsize, input_bfd, word, contents + rel->r_offset); ++ ++ return bfd_reloc_ok; ++} ++ ++/* Remember all PC-relative high-part relocs we've encountered to help us ++ later resolve the corresponding low-part relocs. */ ++ ++typedef struct { ++ bfd_vma address; ++ bfd_vma value; ++} riscv_pcrel_hi_reloc; ++ ++typedef struct riscv_pcrel_lo_reloc { ++ asection *input_section; ++ struct bfd_link_info *info; ++ reloc_howto_type *howto; ++ const Elf_Internal_Rela *reloc; ++ bfd_vma addr; ++ const char *name; ++ bfd_byte *contents; ++ struct riscv_pcrel_lo_reloc *next; ++} riscv_pcrel_lo_reloc; ++ ++typedef struct { ++ htab_t hi_relocs; ++ riscv_pcrel_lo_reloc *lo_relocs; ++} riscv_pcrel_relocs; ++ ++static hashval_t ++riscv_pcrel_reloc_hash (const void *entry) ++{ ++ const riscv_pcrel_hi_reloc *e = entry; ++ return (hashval_t)(e->address >> 2); ++} ++ ++static bfd_boolean ++riscv_pcrel_reloc_eq (const void *entry1, const void *entry2) ++{ ++ const riscv_pcrel_hi_reloc *e1 = entry1, *e2 = entry2; ++ return e1->address == e2->address; ++} ++ ++static bfd_boolean ++riscv_init_pcrel_relocs (riscv_pcrel_relocs *p) ++{ ++ ++ p->lo_relocs = NULL; ++ p->hi_relocs = htab_create (1024, riscv_pcrel_reloc_hash, ++ riscv_pcrel_reloc_eq, free); ++ return p->hi_relocs != NULL; ++} ++ ++static void ++riscv_free_pcrel_relocs (riscv_pcrel_relocs *p) ++{ ++ riscv_pcrel_lo_reloc *cur = p->lo_relocs; ++ while (cur != NULL) ++ { ++ riscv_pcrel_lo_reloc *next = cur->next; ++ free (cur); ++ cur = next; ++ } ++ ++ htab_delete (p->hi_relocs); ++} ++ ++static bfd_boolean ++riscv_record_pcrel_hi_reloc (riscv_pcrel_relocs *p, bfd_vma addr, bfd_vma value) ++{ ++ riscv_pcrel_hi_reloc entry = {addr, value - addr}; ++ riscv_pcrel_hi_reloc **slot = ++ (riscv_pcrel_hi_reloc **) htab_find_slot (p->hi_relocs, &entry, INSERT); ++ BFD_ASSERT (*slot == NULL); ++ *slot = (riscv_pcrel_hi_reloc *) bfd_malloc (sizeof (riscv_pcrel_hi_reloc)); ++ if (*slot == NULL) ++ return FALSE; ++ **slot = entry; ++ return TRUE; ++} ++ ++static bfd_boolean ++riscv_record_pcrel_lo_reloc (riscv_pcrel_relocs *p, ++ asection *input_section, ++ struct bfd_link_info *info, ++ reloc_howto_type *howto, ++ const Elf_Internal_Rela *reloc, ++ bfd_vma addr, ++ const char *name, ++ bfd_byte *contents) ++{ ++ riscv_pcrel_lo_reloc *entry; ++ entry = (riscv_pcrel_lo_reloc *) bfd_malloc (sizeof (riscv_pcrel_lo_reloc)); ++ if (entry == NULL) ++ return FALSE; ++ *entry = (riscv_pcrel_lo_reloc) {input_section, info, howto, reloc, addr, ++ name, contents, p->lo_relocs}; ++ p->lo_relocs = entry; ++ return TRUE; ++} ++ ++static bfd_boolean ++riscv_resolve_pcrel_lo_relocs (riscv_pcrel_relocs *p) ++{ ++ riscv_pcrel_lo_reloc *r; ++ for (r = p->lo_relocs; r != NULL; r = r->next) ++ { ++ bfd *input_bfd = r->input_section->owner; ++ riscv_pcrel_hi_reloc search = {r->addr, 0}; ++ riscv_pcrel_hi_reloc *entry = htab_find (p->hi_relocs, &search); ++ if (entry == NULL) ++ return ((*r->info->callbacks->reloc_overflow) ++ (r->info, NULL, r->name, r->howto->name, (bfd_vma) 0, ++ input_bfd, r->input_section, r->reloc->r_offset)); ++ ++ perform_relocation (r->howto, r->reloc, entry->value, r->input_section, ++ input_bfd, r->contents); ++ } ++ ++ return TRUE; ++} ++ ++/* Relocate a RISC-V ELF section. ++ ++ The RELOCATE_SECTION function is called by the new ELF backend linker ++ to handle the relocations for a section. ++ ++ The relocs are always passed as Rela structures. ++ ++ This function is responsible for adjusting the section contents as ++ necessary, and (if generating a relocatable output file) adjusting ++ the reloc addend as necessary. ++ ++ This function does not have to worry about setting the reloc ++ address or the reloc symbol index. ++ ++ LOCAL_SYMS is a pointer to the swapped in local symbols. ++ ++ LOCAL_SECTIONS is an array giving the section in the input file ++ corresponding to the st_shndx field of each local symbol. ++ ++ The global hash table entry for the global symbols can be found ++ via elf_sym_hashes (input_bfd). ++ ++ When generating relocatable output, this function must handle ++ STB_LOCAL/STT_SECTION symbols specially. The output symbol is ++ going to be the section symbol corresponding to the output ++ section, which means that the addend must be adjusted ++ accordingly. */ ++ ++static bfd_boolean ++riscv_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, ++ bfd *input_bfd, asection *input_section, ++ bfd_byte *contents, Elf_Internal_Rela *relocs, ++ Elf_Internal_Sym *local_syms, ++ asection **local_sections) ++{ ++ Elf_Internal_Rela *rel; ++ Elf_Internal_Rela *relend; ++ riscv_pcrel_relocs pcrel_relocs; ++ bfd_boolean ret = FALSE; ++ asection *sreloc = elf_section_data (input_section)->sreloc; ++ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info); ++ Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (input_bfd); ++ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd); ++ bfd_vma *local_got_offsets = elf_local_got_offsets (input_bfd); ++ ++ if (!riscv_init_pcrel_relocs (&pcrel_relocs)) ++ return FALSE; ++ ++ relend = relocs + input_section->reloc_count; ++ for (rel = relocs; rel < relend; rel++) ++ { ++ unsigned long r_symndx; ++ struct elf_link_hash_entry *h; ++ Elf_Internal_Sym *sym; ++ asection *sec; ++ bfd_vma relocation; ++ bfd_reloc_status_type r = bfd_reloc_ok; ++ const char *name; ++ bfd_vma off, ie_off; ++ bfd_boolean unresolved_reloc, is_ie = FALSE; ++ bfd_vma pc = sec_addr (input_section) + rel->r_offset; ++ int r_type = ELFNN_R_TYPE (rel->r_info), tls_type; ++ reloc_howto_type *howto = riscv_elf_rtype_to_howto (r_type); ++ const char *msg = NULL; ++ ++ if (r_type == R_RISCV_GNU_VTINHERIT || r_type == R_RISCV_GNU_VTENTRY) ++ continue; ++ ++ /* This is a final link. */ ++ r_symndx = ELFNN_R_SYM (rel->r_info); ++ h = NULL; ++ sym = NULL; ++ sec = NULL; ++ unresolved_reloc = FALSE; ++ if (r_symndx < symtab_hdr->sh_info) ++ { ++ sym = local_syms + r_symndx; ++ sec = local_sections[r_symndx]; ++ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); ++ } ++ else ++ { ++ bfd_boolean warned, ignored; ++ ++ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, ++ r_symndx, symtab_hdr, sym_hashes, ++ h, sec, relocation, ++ unresolved_reloc, warned, ignored); ++ if (warned) ++ { ++ /* To avoid generating warning messages about truncated ++ relocations, set the relocation's address to be the same as ++ the start of this section. */ ++ if (input_section->output_section != NULL) ++ relocation = input_section->output_section->vma; ++ else ++ relocation = 0; ++ } ++ } ++ ++ if (sec != NULL && discarded_section (sec)) ++ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, ++ rel, 1, relend, howto, 0, contents); ++ ++ if (bfd_link_relocatable (info)) ++ continue; ++ ++ if (h != NULL) ++ name = h->root.root.string; ++ else ++ { ++ name = (bfd_elf_string_from_elf_section ++ (input_bfd, symtab_hdr->sh_link, sym->st_name)); ++ if (name == NULL || *name == '\0') ++ name = bfd_section_name (input_bfd, sec); ++ } ++ ++ switch (r_type) ++ { ++ case R_RISCV_NONE: ++ case R_RISCV_TPREL_ADD: ++ case R_RISCV_COPY: ++ case R_RISCV_JUMP_SLOT: ++ case R_RISCV_RELATIVE: ++ /* These require nothing of us at all. */ ++ continue; ++ ++ case R_RISCV_HI20: ++ case R_RISCV_BRANCH: ++ case R_RISCV_RVC_BRANCH: ++ case R_RISCV_RVC_LUI: ++ case R_RISCV_LO12_I: ++ case R_RISCV_LO12_S: ++ /* These require no special handling beyond perform_relocation. */ ++ break; ++ ++ case R_RISCV_GOT_HI20: ++ if (h != NULL) ++ { ++ bfd_boolean dyn, pic; ++ ++ off = h->got.offset; ++ BFD_ASSERT (off != (bfd_vma) -1); ++ dyn = elf_hash_table (info)->dynamic_sections_created; ++ pic = bfd_link_pic (info); ++ ++ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, pic, h) ++ || (pic && SYMBOL_REFERENCES_LOCAL (info, h))) ++ { ++ /* This is actually a static link, or it is a ++ -Bsymbolic link and the symbol is defined ++ locally, or the symbol was forced to be local ++ because of a version file. We must initialize ++ this entry in the global offset table. Since the ++ offset must always be a multiple of the word size, ++ we use the least significant bit to record whether ++ we have initialized it already. ++ ++ When doing a dynamic link, we create a .rela.got ++ relocation entry to initialize the value. This ++ is done in the finish_dynamic_symbol routine. */ ++ if ((off & 1) != 0) ++ off &= ~1; ++ else ++ { ++ bfd_put_NN (output_bfd, relocation, ++ htab->elf.sgot->contents + off); ++ h->got.offset |= 1; ++ } ++ } ++ else ++ unresolved_reloc = FALSE; ++ } ++ else ++ { ++ BFD_ASSERT (local_got_offsets != NULL ++ && local_got_offsets[r_symndx] != (bfd_vma) -1); ++ ++ off = local_got_offsets[r_symndx]; ++ ++ /* The offset must always be a multiple of the word size. ++ So, we can use the least significant bit to record ++ whether we have already processed this entry. */ ++ if ((off & 1) != 0) ++ off &= ~1; ++ else ++ { ++ if (bfd_link_pic (info)) ++ { ++ asection *s; ++ Elf_Internal_Rela outrel; ++ ++ /* We need to generate a R_RISCV_RELATIVE reloc ++ for the dynamic linker. */ ++ s = htab->elf.srelgot; ++ BFD_ASSERT (s != NULL); ++ ++ outrel.r_offset = sec_addr (htab->elf.sgot) + off; ++ outrel.r_info = ++ ELFNN_R_INFO (0, R_RISCV_RELATIVE); ++ outrel.r_addend = relocation; ++ relocation = 0; ++ riscv_elf_append_rela (output_bfd, s, &outrel); ++ } ++ ++ bfd_put_NN (output_bfd, relocation, ++ htab->elf.sgot->contents + off); ++ local_got_offsets[r_symndx] |= 1; ++ } ++ } ++ relocation = sec_addr (htab->elf.sgot) + off; ++ if (!riscv_record_pcrel_hi_reloc (&pcrel_relocs, pc, relocation)) ++ r = bfd_reloc_overflow; ++ break; ++ ++ case R_RISCV_ADD8: ++ case R_RISCV_ADD16: ++ case R_RISCV_ADD32: ++ case R_RISCV_ADD64: ++ { ++ bfd_vma old_value = bfd_get (howto->bitsize, input_bfd, ++ contents + rel->r_offset); ++ relocation = old_value + relocation; ++ } ++ break; ++ ++ case R_RISCV_SUB8: ++ case R_RISCV_SUB16: ++ case R_RISCV_SUB32: ++ case R_RISCV_SUB64: ++ { ++ bfd_vma old_value = bfd_get (howto->bitsize, input_bfd, ++ contents + rel->r_offset); ++ relocation = old_value - relocation; ++ } ++ break; ++ ++ case R_RISCV_CALL_PLT: ++ case R_RISCV_CALL: ++ case R_RISCV_JAL: ++ case R_RISCV_RVC_JUMP: ++ if (bfd_link_pic (info) && h != NULL && h->plt.offset != MINUS_ONE) ++ { ++ /* Refer to the PLT entry. */ ++ relocation = sec_addr (htab->elf.splt) + h->plt.offset; ++ unresolved_reloc = FALSE; ++ } ++ break; ++ ++ case R_RISCV_TPREL_HI20: ++ relocation = tpoff (info, relocation); ++ break; ++ ++ case R_RISCV_TPREL_LO12_I: ++ case R_RISCV_TPREL_LO12_S: ++ relocation = tpoff (info, relocation); ++ if (VALID_ITYPE_IMM (relocation + rel->r_addend)) ++ { ++ /* We can use tp as the base register. */ ++ bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); ++ insn &= ~(OP_MASK_RS1 << OP_SH_RS1); ++ insn |= X_TP << OP_SH_RS1; ++ bfd_put_32 (input_bfd, insn, contents + rel->r_offset); ++ } ++ break; ++ ++ case R_RISCV_GPREL_I: ++ case R_RISCV_GPREL_S: ++ { ++ bfd_vma gp = riscv_global_pointer_value (info); ++ bfd_boolean x0_base = VALID_ITYPE_IMM (relocation + rel->r_addend); ++ if (x0_base || VALID_ITYPE_IMM (relocation + rel->r_addend - gp)) ++ { ++ /* We can use x0 or gp as the base register. */ ++ bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); ++ insn &= ~(OP_MASK_RS1 << OP_SH_RS1); ++ if (!x0_base) ++ { ++ rel->r_addend -= gp; ++ insn |= X_GP << OP_SH_RS1; ++ } ++ bfd_put_32 (input_bfd, insn, contents + rel->r_offset); ++ } ++ else ++ r = bfd_reloc_overflow; ++ break; ++ } ++ ++ case R_RISCV_PCREL_HI20: ++ if (!riscv_record_pcrel_hi_reloc (&pcrel_relocs, pc, ++ relocation + rel->r_addend)) ++ r = bfd_reloc_overflow; ++ break; ++ ++ case R_RISCV_PCREL_LO12_I: ++ case R_RISCV_PCREL_LO12_S: ++ if (riscv_record_pcrel_lo_reloc (&pcrel_relocs, input_section, info, ++ howto, rel, relocation, name, ++ contents)) ++ continue; ++ r = bfd_reloc_overflow; ++ break; ++ ++ case R_RISCV_TLS_DTPREL32: ++ case R_RISCV_TLS_DTPREL64: ++ relocation = dtpoff (info, relocation); ++ break; ++ ++ case R_RISCV_32: ++ case R_RISCV_64: ++ if ((input_section->flags & SEC_ALLOC) == 0) ++ break; ++ ++ if ((bfd_link_pic (info) ++ && (h == NULL ++ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT ++ || h->root.type != bfd_link_hash_undefweak) ++ && (! howto->pc_relative ++ || !SYMBOL_CALLS_LOCAL (info, h))) ++ || (!bfd_link_pic (info) ++ && h != NULL ++ && h->dynindx != -1 ++ && !h->non_got_ref ++ && ((h->def_dynamic ++ && !h->def_regular) ++ || h->root.type == bfd_link_hash_undefweak ++ || h->root.type == bfd_link_hash_undefined))) ++ { ++ Elf_Internal_Rela outrel; ++ bfd_boolean skip_static_relocation, skip_dynamic_relocation; ++ ++ /* When generating a shared object, these relocations ++ are copied into the output file to be resolved at run ++ time. */ ++ ++ outrel.r_offset = ++ _bfd_elf_section_offset (output_bfd, info, input_section, ++ rel->r_offset); ++ skip_static_relocation = outrel.r_offset != (bfd_vma) -2; ++ skip_dynamic_relocation = outrel.r_offset >= (bfd_vma) -2; ++ outrel.r_offset += sec_addr (input_section); ++ ++ if (skip_dynamic_relocation) ++ memset (&outrel, 0, sizeof outrel); ++ else if (h != NULL && h->dynindx != -1 ++ && !(bfd_link_pic (info) ++ && SYMBOLIC_BIND (info, h) ++ && h->def_regular)) ++ { ++ outrel.r_info = ELFNN_R_INFO (h->dynindx, r_type); ++ outrel.r_addend = rel->r_addend; ++ } ++ else ++ { ++ outrel.r_info = ELFNN_R_INFO (0, R_RISCV_RELATIVE); ++ outrel.r_addend = relocation + rel->r_addend; ++ } ++ ++ riscv_elf_append_rela (output_bfd, sreloc, &outrel); ++ if (skip_static_relocation) ++ continue; ++ } ++ break; ++ ++ case R_RISCV_TLS_GOT_HI20: ++ is_ie = TRUE; ++ /* Fall through. */ ++ ++ case R_RISCV_TLS_GD_HI20: ++ if (h != NULL) ++ { ++ off = h->got.offset; ++ h->got.offset |= 1; ++ } ++ else ++ { ++ off = local_got_offsets[r_symndx]; ++ local_got_offsets[r_symndx] |= 1; ++ } ++ ++ tls_type = _bfd_riscv_elf_tls_type (input_bfd, h, r_symndx); ++ BFD_ASSERT (tls_type & (GOT_TLS_IE | GOT_TLS_GD)); ++ /* If this symbol is referenced by both GD and IE TLS, the IE ++ reference's GOT slot follows the GD reference's slots. */ ++ ie_off = 0; ++ if ((tls_type & GOT_TLS_GD) && (tls_type & GOT_TLS_IE)) ++ ie_off = 2 * GOT_ENTRY_SIZE; ++ ++ if ((off & 1) != 0) ++ off &= ~1; ++ else ++ { ++ Elf_Internal_Rela outrel; ++ int indx = 0; ++ bfd_boolean need_relocs = FALSE; ++ ++ if (htab->elf.srelgot == NULL) ++ abort (); ++ ++ if (h != NULL) ++ { ++ bfd_boolean dyn, pic; ++ dyn = htab->elf.dynamic_sections_created; ++ pic = bfd_link_pic (info); ++ ++ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, pic, h) ++ && (!pic || !SYMBOL_REFERENCES_LOCAL (info, h))) ++ indx = h->dynindx; ++ } ++ ++ /* The GOT entries have not been initialized yet. Do it ++ now, and emit any relocations. */ ++ if ((bfd_link_pic (info) || indx != 0) ++ && (h == NULL ++ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT ++ || h->root.type != bfd_link_hash_undefweak)) ++ need_relocs = TRUE; ++ ++ if (tls_type & GOT_TLS_GD) ++ { ++ if (need_relocs) ++ { ++ outrel.r_offset = sec_addr (htab->elf.sgot) + off; ++ outrel.r_addend = 0; ++ outrel.r_info = ELFNN_R_INFO (indx, R_RISCV_TLS_DTPMODNN); ++ bfd_put_NN (output_bfd, 0, ++ htab->elf.sgot->contents + off); ++ riscv_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel); ++ if (indx == 0) ++ { ++ BFD_ASSERT (! unresolved_reloc); ++ bfd_put_NN (output_bfd, ++ dtpoff (info, relocation), ++ (htab->elf.sgot->contents + off + ++ RISCV_ELF_WORD_BYTES)); ++ } ++ else ++ { ++ bfd_put_NN (output_bfd, 0, ++ (htab->elf.sgot->contents + off + ++ RISCV_ELF_WORD_BYTES)); ++ outrel.r_info = ELFNN_R_INFO (indx, R_RISCV_TLS_DTPRELNN); ++ outrel.r_offset += RISCV_ELF_WORD_BYTES; ++ riscv_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel); ++ } ++ } ++ else ++ { ++ /* If we are not emitting relocations for a ++ general dynamic reference, then we must be in a ++ static link or an executable link with the ++ symbol binding locally. Mark it as belonging ++ to module 1, the executable. */ ++ bfd_put_NN (output_bfd, 1, ++ htab->elf.sgot->contents + off); ++ bfd_put_NN (output_bfd, ++ dtpoff (info, relocation), ++ (htab->elf.sgot->contents + off + ++ RISCV_ELF_WORD_BYTES)); ++ } ++ } ++ ++ if (tls_type & GOT_TLS_IE) ++ { ++ if (need_relocs) ++ { ++ bfd_put_NN (output_bfd, 0, ++ htab->elf.sgot->contents + off + ie_off); ++ outrel.r_offset = sec_addr (htab->elf.sgot) ++ + off + ie_off; ++ outrel.r_addend = 0; ++ if (indx == 0) ++ outrel.r_addend = tpoff (info, relocation); ++ outrel.r_info = ELFNN_R_INFO (indx, R_RISCV_TLS_TPRELNN); ++ riscv_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel); ++ } ++ else ++ { ++ bfd_put_NN (output_bfd, tpoff (info, relocation), ++ htab->elf.sgot->contents + off + ie_off); ++ } ++ } ++ } ++ ++ BFD_ASSERT (off < (bfd_vma) -2); ++ relocation = sec_addr (htab->elf.sgot) + off + (is_ie ? ie_off : 0); ++ if (!riscv_record_pcrel_hi_reloc (&pcrel_relocs, pc, relocation)) ++ r = bfd_reloc_overflow; ++ unresolved_reloc = FALSE; ++ break; ++ ++ default: ++ r = bfd_reloc_notsupported; ++ } ++ ++ /* Dynamic relocs are not propagated for SEC_DEBUGGING sections ++ because such sections are not SEC_ALLOC and thus ld.so will ++ not process them. */ ++ if (unresolved_reloc ++ && !((input_section->flags & SEC_DEBUGGING) != 0 ++ && h->def_dynamic) ++ && _bfd_elf_section_offset (output_bfd, info, input_section, ++ rel->r_offset) != (bfd_vma) -1) ++ { ++ (*_bfd_error_handler) ++ (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), ++ input_bfd, ++ input_section, ++ (long) rel->r_offset, ++ howto->name, ++ h->root.root.string); ++ continue; ++ } ++ ++ if (r == bfd_reloc_ok) ++ r = perform_relocation (howto, rel, relocation, input_section, ++ input_bfd, contents); ++ ++ switch (r) ++ { ++ case bfd_reloc_ok: ++ continue; ++ ++ case bfd_reloc_overflow: ++ r = info->callbacks->reloc_overflow ++ (info, (h ? &h->root : NULL), name, howto->name, ++ (bfd_vma) 0, input_bfd, input_section, rel->r_offset); ++ break; ++ ++ case bfd_reloc_undefined: ++ r = info->callbacks->undefined_symbol ++ (info, name, input_bfd, input_section, rel->r_offset, ++ TRUE); ++ break; ++ ++ case bfd_reloc_outofrange: ++ msg = _("internal error: out of range error"); ++ break; ++ ++ case bfd_reloc_notsupported: ++ msg = _("internal error: unsupported relocation error"); ++ break; ++ ++ case bfd_reloc_dangerous: ++ msg = _("internal error: dangerous relocation"); ++ break; ++ ++ default: ++ msg = _("internal error: unknown error"); ++ break; ++ } ++ ++ if (msg) ++ r = info->callbacks->warning ++ (info, msg, name, input_bfd, input_section, rel->r_offset); ++ goto out; ++ } ++ ++ ret = riscv_resolve_pcrel_lo_relocs (&pcrel_relocs); ++out: ++ riscv_free_pcrel_relocs (&pcrel_relocs); ++ return ret; ++} ++ ++/* Finish up dynamic symbol handling. We set the contents of various ++ dynamic sections here. */ ++ ++static bfd_boolean ++riscv_elf_finish_dynamic_symbol (bfd *output_bfd, ++ struct bfd_link_info *info, ++ struct elf_link_hash_entry *h, ++ Elf_Internal_Sym *sym) ++{ ++ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info); ++ const struct elf_backend_data *bed = get_elf_backend_data (output_bfd); ++ ++ if (h->plt.offset != (bfd_vma) -1) ++ { ++ /* We've decided to create a PLT entry for this symbol. */ ++ bfd_byte *loc; ++ bfd_vma i, header_address, plt_idx, got_address; ++ uint32_t plt_entry[PLT_ENTRY_INSNS]; ++ Elf_Internal_Rela rela; ++ ++ BFD_ASSERT (h->dynindx != -1); ++ ++ /* Calculate the address of the PLT header. */ ++ header_address = sec_addr (htab->elf.splt); ++ ++ /* Calculate the index of the entry. */ ++ plt_idx = (h->plt.offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE; ++ ++ /* Calculate the address of the .got.plt entry. */ ++ got_address = riscv_elf_got_plt_val (plt_idx, info); ++ ++ /* Find out where the .plt entry should go. */ ++ loc = htab->elf.splt->contents + h->plt.offset; ++ ++ /* Fill in the PLT entry itself. */ ++ riscv_make_plt_entry (got_address, header_address + h->plt.offset, ++ plt_entry); ++ for (i = 0; i < PLT_ENTRY_INSNS; i++) ++ bfd_put_32 (output_bfd, plt_entry[i], loc + 4*i); ++ ++ /* Fill in the initial value of the .got.plt entry. */ ++ loc = htab->elf.sgotplt->contents ++ + (got_address - sec_addr (htab->elf.sgotplt)); ++ bfd_put_NN (output_bfd, sec_addr (htab->elf.splt), loc); ++ ++ /* Fill in the entry in the .rela.plt section. */ ++ rela.r_offset = got_address; ++ rela.r_addend = 0; ++ rela.r_info = ELFNN_R_INFO (h->dynindx, R_RISCV_JUMP_SLOT); ++ ++ loc = htab->elf.srelplt->contents + plt_idx * sizeof (ElfNN_External_Rela); ++ bed->s->swap_reloca_out (output_bfd, &rela, loc); ++ ++ if (!h->def_regular) ++ { ++ /* Mark the symbol as undefined, rather than as defined in ++ the .plt section. Leave the value alone. */ ++ sym->st_shndx = SHN_UNDEF; ++ /* If the symbol is weak, we do need to clear the value. ++ Otherwise, the PLT entry would provide a definition for ++ the symbol even if the symbol wasn't defined anywhere, ++ and so the symbol would never be NULL. */ ++ if (!h->ref_regular_nonweak) ++ sym->st_value = 0; ++ } ++ } ++ ++ if (h->got.offset != (bfd_vma) -1 ++ && !(riscv_elf_hash_entry(h)->tls_type & (GOT_TLS_GD | GOT_TLS_IE))) ++ { ++ asection *sgot; ++ asection *srela; ++ Elf_Internal_Rela rela; ++ ++ /* This symbol has an entry in the GOT. Set it up. */ ++ ++ sgot = htab->elf.sgot; ++ srela = htab->elf.srelgot; ++ BFD_ASSERT (sgot != NULL && srela != NULL); ++ ++ rela.r_offset = sec_addr (sgot) + (h->got.offset &~ (bfd_vma) 1); ++ ++ /* If this is a -Bsymbolic link, and the symbol is defined ++ locally, we just want to emit a RELATIVE reloc. Likewise if ++ the symbol was forced to be local because of a version file. ++ The entry in the global offset table will already have been ++ initialized in the relocate_section function. */ ++ if (bfd_link_pic (info) ++ && (info->symbolic || h->dynindx == -1) ++ && h->def_regular) ++ { ++ asection *sec = h->root.u.def.section; ++ rela.r_info = ELFNN_R_INFO (0, R_RISCV_RELATIVE); ++ rela.r_addend = (h->root.u.def.value ++ + sec->output_section->vma ++ + sec->output_offset); ++ } ++ else ++ { ++ BFD_ASSERT (h->dynindx != -1); ++ rela.r_info = ELFNN_R_INFO (h->dynindx, R_RISCV_NN); ++ rela.r_addend = 0; ++ } ++ ++ bfd_put_NN (output_bfd, 0, ++ sgot->contents + (h->got.offset & ~(bfd_vma) 1)); ++ riscv_elf_append_rela (output_bfd, srela, &rela); ++ } ++ ++ if (h->needs_copy) ++ { ++ Elf_Internal_Rela rela; ++ ++ /* This symbols needs a copy reloc. Set it up. */ ++ BFD_ASSERT (h->dynindx != -1); ++ ++ rela.r_offset = sec_addr (h->root.u.def.section) + h->root.u.def.value; ++ rela.r_info = ELFNN_R_INFO (h->dynindx, R_RISCV_COPY); ++ rela.r_addend = 0; ++ riscv_elf_append_rela (output_bfd, htab->srelbss, &rela); ++ } ++ ++ /* Mark some specially defined symbols as absolute. */ ++ if (h == htab->elf.hdynamic ++ || (h == htab->elf.hgot || h == htab->elf.hplt)) ++ sym->st_shndx = SHN_ABS; ++ ++ return TRUE; ++} ++ ++/* Finish up the dynamic sections. */ ++ ++static bfd_boolean ++riscv_finish_dyn (bfd *output_bfd, struct bfd_link_info *info, ++ bfd *dynobj, asection *sdyn) ++{ ++ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info); ++ const struct elf_backend_data *bed = get_elf_backend_data (output_bfd); ++ size_t dynsize = bed->s->sizeof_dyn; ++ bfd_byte *dyncon, *dynconend; ++ ++ dynconend = sdyn->contents + sdyn->size; ++ for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize) ++ { ++ Elf_Internal_Dyn dyn; ++ asection *s; ++ ++ bed->s->swap_dyn_in (dynobj, dyncon, &dyn); ++ ++ switch (dyn.d_tag) ++ { ++ case DT_PLTGOT: ++ s = htab->elf.sgotplt; ++ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; ++ break; ++ case DT_JMPREL: ++ s = htab->elf.srelplt; ++ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; ++ break; ++ case DT_PLTRELSZ: ++ s = htab->elf.srelplt; ++ dyn.d_un.d_val = s->size; ++ break; ++ default: ++ continue; ++ } ++ ++ bed->s->swap_dyn_out (output_bfd, &dyn, dyncon); ++ } ++ return TRUE; ++} ++ ++static bfd_boolean ++riscv_elf_finish_dynamic_sections (bfd *output_bfd, ++ struct bfd_link_info *info) ++{ ++ bfd *dynobj; ++ asection *sdyn; ++ struct riscv_elf_link_hash_table *htab; ++ ++ htab = riscv_elf_hash_table (info); ++ BFD_ASSERT (htab != NULL); ++ dynobj = htab->elf.dynobj; ++ ++ sdyn = bfd_get_linker_section (dynobj, ".dynamic"); ++ ++ if (elf_hash_table (info)->dynamic_sections_created) ++ { ++ asection *splt; ++ bfd_boolean ret; ++ ++ splt = htab->elf.splt; ++ BFD_ASSERT (splt != NULL && sdyn != NULL); ++ ++ ret = riscv_finish_dyn (output_bfd, info, dynobj, sdyn); ++ ++ if (ret != TRUE) ++ return ret; ++ ++ /* Fill in the head and tail entries in the procedure linkage table. */ ++ if (splt->size > 0) ++ { ++ int i; ++ uint32_t plt_header[PLT_HEADER_INSNS]; ++ riscv_make_plt_header (sec_addr (htab->elf.sgotplt), ++ sec_addr (splt), plt_header); ++ ++ for (i = 0; i < PLT_HEADER_INSNS; i++) ++ bfd_put_32 (output_bfd, plt_header[i], splt->contents + 4*i); ++ } ++ ++ elf_section_data (splt->output_section)->this_hdr.sh_entsize ++ = PLT_ENTRY_SIZE; ++ } ++ ++ if (htab->elf.sgotplt) ++ { ++ asection *output_section = htab->elf.sgotplt->output_section; ++ ++ if (bfd_is_abs_section (output_section)) ++ { ++ (*_bfd_error_handler) ++ (_("discarded output section: `%A'"), htab->elf.sgotplt); ++ return FALSE; ++ } ++ ++ if (htab->elf.sgotplt->size > 0) ++ { ++ /* Write the first two entries in .got.plt, needed for the dynamic ++ linker. */ ++ bfd_put_NN (output_bfd, (bfd_vma) -1, htab->elf.sgotplt->contents); ++ bfd_put_NN (output_bfd, (bfd_vma) 0, ++ htab->elf.sgotplt->contents + GOT_ENTRY_SIZE); ++ } ++ ++ elf_section_data (output_section)->this_hdr.sh_entsize = GOT_ENTRY_SIZE; ++ } ++ ++ if (htab->elf.sgot) ++ { ++ asection *output_section = htab->elf.sgot->output_section; ++ ++ if (htab->elf.sgot->size > 0) ++ { ++ /* Set the first entry in the global offset table to the address of ++ the dynamic section. */ ++ bfd_vma val = sdyn ? sec_addr (sdyn) : 0; ++ bfd_put_NN (output_bfd, val, htab->elf.sgot->contents); ++ } ++ ++ elf_section_data (output_section)->this_hdr.sh_entsize = GOT_ENTRY_SIZE; ++ } ++ ++ return TRUE; ++} ++ ++/* Return address for Ith PLT stub in section PLT, for relocation REL ++ or (bfd_vma) -1 if it should not be included. */ ++ ++static bfd_vma ++riscv_elf_plt_sym_val (bfd_vma i, const asection *plt, ++ const arelent *rel ATTRIBUTE_UNUSED) ++{ ++ return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE; ++} ++ ++static enum elf_reloc_type_class ++riscv_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, ++ const asection *rel_sec ATTRIBUTE_UNUSED, ++ const Elf_Internal_Rela *rela) ++{ ++ switch (ELFNN_R_TYPE (rela->r_info)) ++ { ++ case R_RISCV_RELATIVE: ++ return reloc_class_relative; ++ case R_RISCV_JUMP_SLOT: ++ return reloc_class_plt; ++ case R_RISCV_COPY: ++ return reloc_class_copy; ++ default: ++ return reloc_class_normal; ++ } ++} ++ ++/* Merge backend specific data from an object file to the output ++ object file when linking. */ ++ ++static bfd_boolean ++_bfd_riscv_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd) ++{ ++ flagword new_flags = elf_elfheader (ibfd)->e_flags; ++ flagword old_flags = elf_elfheader (obfd)->e_flags; ++ ++ if (!is_riscv_elf (ibfd) || !is_riscv_elf (obfd)) ++ return TRUE; ++ ++ if (strcmp (bfd_get_target (ibfd), bfd_get_target (obfd)) != 0) ++ { ++ (*_bfd_error_handler) ++ (_("%B: ABI is incompatible with that of the selected emulation"), ++ ibfd); ++ return FALSE; ++ } ++ ++ if (!_bfd_elf_merge_object_attributes (ibfd, obfd)) ++ return FALSE; ++ ++ if (! elf_flags_init (obfd)) ++ { ++ elf_flags_init (obfd) = TRUE; ++ elf_elfheader (obfd)->e_flags = new_flags; ++ return TRUE; ++ } ++ ++ /* Disallow linking soft-float and hard-float. */ ++ if ((old_flags ^ new_flags) & EF_RISCV_SOFT_FLOAT) ++ { ++ (*_bfd_error_handler) ++ (_("%B: can't link hard-float modules with soft-float modules"), ibfd); ++ goto fail; ++ } ++ ++ /* Allow linking RVC and non-RVC, and keep the RVC flag. */ ++ elf_elfheader (obfd)->e_flags |= new_flags & EF_RISCV_RVC; ++ ++ return TRUE; ++ ++fail: ++ bfd_set_error (bfd_error_bad_value); ++ return FALSE; ++} ++ ++/* Delete some bytes from a section while relaxing. */ ++ ++static bfd_boolean ++riscv_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr, size_t count) ++{ ++ unsigned int i, symcount; ++ bfd_vma toaddr = sec->size; ++ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (abfd); ++ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (abfd)->symtab_hdr; ++ unsigned int sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec); ++ struct bfd_elf_section_data *data = elf_section_data (sec); ++ bfd_byte *contents = data->this_hdr.contents; ++ ++ /* Actually delete the bytes. */ ++ sec->size -= count; ++ memmove (contents + addr, contents + addr + count, toaddr - addr - count); ++ ++ /* Adjust the location of all of the relocs. Note that we need not ++ adjust the addends, since all PC-relative references must be against ++ symbols, which we will adjust below. */ ++ for (i = 0; i < sec->reloc_count; i++) ++ if (data->relocs[i].r_offset > addr && data->relocs[i].r_offset < toaddr) ++ data->relocs[i].r_offset -= count; ++ ++ /* Adjust the local symbols defined in this section. */ ++ for (i = 0; i < symtab_hdr->sh_info; i++) ++ { ++ Elf_Internal_Sym *sym = (Elf_Internal_Sym *) symtab_hdr->contents + i; ++ if (sym->st_shndx == sec_shndx) ++ { ++ /* If the symbol is in the range of memory we just moved, we ++ have to adjust its value. */ ++ if (sym->st_value > addr && sym->st_value <= toaddr) ++ sym->st_value -= count; ++ ++ /* If the symbol *spans* the bytes we just deleted (i.e. its ++ *end* is in the moved bytes but its *start* isn't), then we ++ must adjust its size. */ ++ if (sym->st_value <= addr ++ && sym->st_value + sym->st_size > addr ++ && sym->st_value + sym->st_size <= toaddr) ++ sym->st_size -= count; ++ } ++ } ++ ++ /* Now adjust the global symbols defined in this section. */ ++ symcount = ((symtab_hdr->sh_size / sizeof (ElfNN_External_Sym)) ++ - symtab_hdr->sh_info); ++ ++ for (i = 0; i < symcount; i++) ++ { ++ struct elf_link_hash_entry *sym_hash = sym_hashes[i]; ++ ++ if ((sym_hash->root.type == bfd_link_hash_defined ++ || sym_hash->root.type == bfd_link_hash_defweak) ++ && sym_hash->root.u.def.section == sec) ++ { ++ /* As above, adjust the value if needed. */ ++ if (sym_hash->root.u.def.value > addr ++ && sym_hash->root.u.def.value <= toaddr) ++ sym_hash->root.u.def.value -= count; ++ ++ /* As above, adjust the size if needed. */ ++ if (sym_hash->root.u.def.value <= addr ++ && sym_hash->root.u.def.value + sym_hash->size > addr ++ && sym_hash->root.u.def.value + sym_hash->size <= toaddr) ++ sym_hash->size -= count; ++ } ++ } ++ ++ return TRUE; ++} ++ ++/* Relax AUIPC + JALR into JAL. */ ++ ++static bfd_boolean ++_bfd_riscv_relax_call (bfd *abfd, asection *sec, asection *sym_sec, ++ struct bfd_link_info *link_info, ++ Elf_Internal_Rela *rel, ++ bfd_vma symval, ++ bfd_boolean *again) ++{ ++ bfd_byte *contents = elf_section_data (sec)->this_hdr.contents; ++ bfd_signed_vma foff = symval - (sec_addr (sec) + rel->r_offset); ++ bfd_boolean near_zero = (symval + RISCV_IMM_REACH/2) < RISCV_IMM_REACH; ++ bfd_vma auipc, jalr; ++ int rd, r_type, len = 4, rvc = elf_elfheader (abfd)->e_flags & EF_RISCV_RVC; ++ ++ /* If the call crosses section boundaries, an alignment directive could ++ cause the PC-relative offset to later increase. Assume at most ++ page-alignment, and account for this by adding some slop. */ ++ if (VALID_UJTYPE_IMM (foff) && sym_sec->output_section != sec->output_section) ++ foff += (foff < 0 ? -ELF_MAXPAGESIZE : ELF_MAXPAGESIZE); ++ ++ /* See if this function call can be shortened. */ ++ if (!VALID_UJTYPE_IMM (foff) && !(!bfd_link_pic (link_info) && near_zero)) ++ return TRUE; ++ ++ /* Shorten the function call. */ ++ BFD_ASSERT (rel->r_offset + 8 <= sec->size); ++ ++ auipc = bfd_get_32 (abfd, contents + rel->r_offset); ++ jalr = bfd_get_32 (abfd, contents + rel->r_offset + 4); ++ rd = (jalr >> OP_SH_RD) & OP_MASK_RD; ++ rvc = rvc && VALID_RVC_J_IMM (foff) && ARCH_SIZE == 32; ++ ++ if (rvc && (rd == 0 || rd == X_RA)) ++ { ++ /* Relax to C.J[AL] rd, addr. */ ++ r_type = R_RISCV_RVC_JUMP; ++ auipc = rd == 0 ? MATCH_C_J : MATCH_C_JAL; ++ len = 2; ++ } ++ else if (VALID_UJTYPE_IMM (foff)) ++ { ++ /* Relax to JAL rd, addr. */ ++ r_type = R_RISCV_JAL; ++ auipc = MATCH_JAL | (rd << OP_SH_RD); ++ } ++ else /* near_zero */ ++ { ++ /* Relax to JALR rd, x0, addr. */ ++ r_type = R_RISCV_LO12_I; ++ auipc = MATCH_JALR | (rd << OP_SH_RD); ++ } ++ ++ /* Replace the R_RISCV_CALL reloc. */ ++ rel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (rel->r_info), r_type); ++ /* Replace the AUIPC. */ ++ bfd_put (8 * len, abfd, auipc, contents + rel->r_offset); ++ ++ /* Delete unnecessary JALR. */ ++ *again = TRUE; ++ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset + len, 8 - len); ++} ++ ++/* Relax non-PIC global variable references. */ ++ ++static bfd_boolean ++_bfd_riscv_relax_lui (bfd *abfd, asection *sec, asection *sym_sec, ++ struct bfd_link_info *link_info, ++ Elf_Internal_Rela *rel, ++ bfd_vma symval, ++ bfd_boolean *again) ++{ ++ bfd_byte *contents = elf_section_data (sec)->this_hdr.contents; ++ bfd_vma gp = riscv_global_pointer_value (link_info); ++ int use_rvc = elf_elfheader (abfd)->e_flags & EF_RISCV_RVC; ++ ++ /* Mergeable symbols might later move out of range. */ ++ if (sym_sec->flags & SEC_MERGE) ++ return TRUE; ++ ++ BFD_ASSERT (rel->r_offset + 4 <= sec->size); ++ ++ /* Is the reference in range of x0 or gp? */ ++ if (VALID_ITYPE_IMM (symval) || VALID_ITYPE_IMM (symval - gp)) ++ { ++ unsigned sym = ELFNN_R_SYM (rel->r_info); ++ switch (ELFNN_R_TYPE (rel->r_info)) ++ { ++ case R_RISCV_LO12_I: ++ rel->r_info = ELFNN_R_INFO (sym, R_RISCV_GPREL_I); ++ return TRUE; ++ ++ case R_RISCV_LO12_S: ++ rel->r_info = ELFNN_R_INFO (sym, R_RISCV_GPREL_S); ++ return TRUE; ++ ++ case R_RISCV_HI20: ++ /* We can delete the unnecessary LUI and reloc. */ ++ rel->r_info = ELFNN_R_INFO (0, R_RISCV_NONE); ++ *again = TRUE; ++ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset, 4); ++ ++ default: ++ abort (); ++ } ++ } ++ ++ /* Can we relax LUI to C.LUI? Alignment might move the section forward; ++ account for this assuming page alignment at worst. */ ++ if (use_rvc ++ && ELFNN_R_TYPE (rel->r_info) == R_RISCV_HI20 ++ && VALID_RVC_LUI_IMM (RISCV_CONST_HIGH_PART (symval)) ++ && VALID_RVC_LUI_IMM (RISCV_CONST_HIGH_PART (symval + ELF_MAXPAGESIZE))) ++ { ++ /* Replace LUI with C.LUI if legal (i.e., rd != x2/sp). */ ++ bfd_vma lui = bfd_get_32 (abfd, contents + rel->r_offset); ++ if (((lui >> OP_SH_RD) & OP_MASK_RD) == X_SP) ++ return TRUE; ++ ++ lui = (lui & (OP_MASK_RD << OP_SH_RD)) | MATCH_C_LUI; ++ bfd_put_32 (abfd, lui, contents + rel->r_offset); ++ ++ /* Replace the R_RISCV_HI20 reloc. */ ++ rel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (rel->r_info), R_RISCV_RVC_LUI); ++ ++ *again = TRUE; ++ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset + 2, 2); ++ } ++ ++ return TRUE; ++} ++ ++/* Relax non-PIC TLS references. */ ++ ++static bfd_boolean ++_bfd_riscv_relax_tls_le (bfd *abfd, asection *sec, ++ asection *sym_sec ATTRIBUTE_UNUSED, ++ struct bfd_link_info *link_info, ++ Elf_Internal_Rela *rel, ++ bfd_vma symval, ++ bfd_boolean *again) ++{ ++ /* See if this symbol is in range of tp. */ ++ if (RISCV_CONST_HIGH_PART (tpoff (link_info, symval)) != 0) ++ return TRUE; ++ ++ /* We can delete the unnecessary LUI and tp add. The LO12 reloc will be ++ made directly tp-relative. */ ++ BFD_ASSERT (rel->r_offset + 4 <= sec->size); ++ rel->r_info = ELFNN_R_INFO (0, R_RISCV_NONE); ++ ++ *again = TRUE; ++ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset, 4); ++} ++ ++/* Implement R_RISCV_ALIGN by deleting excess alignment NOPs. */ ++ ++static bfd_boolean ++_bfd_riscv_relax_align (bfd *abfd, asection *sec, ++ asection *sym_sec ATTRIBUTE_UNUSED, ++ struct bfd_link_info *link_info ATTRIBUTE_UNUSED, ++ Elf_Internal_Rela *rel, ++ bfd_vma symval, ++ bfd_boolean *again ATTRIBUTE_UNUSED) ++{ ++ bfd_byte *contents = elf_section_data (sec)->this_hdr.contents; ++ bfd_vma alignment = 1, pos; ++ while (alignment <= rel->r_addend) ++ alignment *= 2; ++ ++ symval -= rel->r_addend; ++ bfd_vma aligned_addr = ((symval - 1) & ~(alignment - 1)) + alignment; ++ bfd_vma nop_bytes = aligned_addr - symval; ++ ++ /* Once we've handled an R_RISCV_ALIGN, we can't relax anything else. */ ++ sec->sec_flg0 = TRUE; ++ ++ /* Make sure there are enough NOPs to actually achieve the alignment. */ ++ if (rel->r_addend < nop_bytes) ++ return FALSE; ++ ++ /* Delete the reloc. */ ++ rel->r_info = ELFNN_R_INFO (0, R_RISCV_NONE); ++ ++ /* If the number of NOPs is already correct, there's nothing to do. */ ++ if (nop_bytes == rel->r_addend) ++ return TRUE; ++ ++ /* Write as many RISC-V NOPs as we need. */ ++ for (pos = 0; pos < (nop_bytes & -4); pos += 4) ++ bfd_put_32 (abfd, RISCV_NOP, contents + rel->r_offset + pos); ++ ++ /* Write a final RVC NOP if need be. */ ++ if (nop_bytes % 4 != 0) ++ bfd_put_16 (abfd, RVC_NOP, contents + rel->r_offset + pos); ++ ++ /* Delete the excess bytes. */ ++ return riscv_relax_delete_bytes (abfd, sec, rel->r_offset + nop_bytes, ++ rel->r_addend - nop_bytes); ++} ++ ++/* Relax a section. Pass 0 shortens code sequences unless disabled. ++ Pass 1, which cannot be disabled, handles code alignment directives. */ ++ ++static bfd_boolean ++_bfd_riscv_relax_section (bfd *abfd, asection *sec, ++ struct bfd_link_info *info, bfd_boolean *again) ++{ ++ Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (abfd); ++ struct riscv_elf_link_hash_table *htab = riscv_elf_hash_table (info); ++ struct bfd_elf_section_data *data = elf_section_data (sec); ++ Elf_Internal_Rela *relocs; ++ bfd_boolean ret = FALSE; ++ unsigned int i; ++ ++ *again = FALSE; ++ ++ if (bfd_link_relocatable (info) ++ || sec->sec_flg0 ++ || (sec->flags & SEC_RELOC) == 0 ++ || sec->reloc_count == 0 ++ || (info->disable_target_specific_optimizations ++ && info->relax_pass == 0)) ++ return TRUE; ++ ++ /* Read this BFD's relocs if we haven't done so already. */ ++ if (data->relocs) ++ relocs = data->relocs; ++ else if (!(relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL, ++ info->keep_memory))) ++ goto fail; ++ ++ /* Examine and consider relaxing each reloc. */ ++ for (i = 0; i < sec->reloc_count; i++) ++ { ++ asection *sym_sec; ++ Elf_Internal_Rela *rel = relocs + i; ++ typeof (&_bfd_riscv_relax_call) relax_func = NULL; ++ int type = ELFNN_R_TYPE (rel->r_info); ++ bfd_vma symval; ++ ++ if (info->relax_pass == 0) ++ { ++ if (type == R_RISCV_CALL || type == R_RISCV_CALL_PLT) ++ relax_func = _bfd_riscv_relax_call; ++ else if (type == R_RISCV_HI20 ++ || type == R_RISCV_LO12_I ++ || type == R_RISCV_LO12_S) ++ relax_func = _bfd_riscv_relax_lui; ++ else if (type == R_RISCV_TPREL_HI20 || type == R_RISCV_TPREL_ADD) ++ relax_func = _bfd_riscv_relax_tls_le; ++ } ++ else if (type == R_RISCV_ALIGN) ++ relax_func = _bfd_riscv_relax_align; ++ ++ if (!relax_func) ++ continue; ++ ++ data->relocs = relocs; ++ ++ /* Read this BFD's contents if we haven't done so already. */ ++ if (!data->this_hdr.contents ++ && !bfd_malloc_and_get_section (abfd, sec, &data->this_hdr.contents)) ++ goto fail; ++ ++ /* Read this BFD's symbols if we haven't done so already. */ ++ if (symtab_hdr->sh_info != 0 ++ && !symtab_hdr->contents ++ && !(symtab_hdr->contents = ++ (unsigned char *) bfd_elf_get_elf_syms (abfd, symtab_hdr, ++ symtab_hdr->sh_info, ++ 0, NULL, NULL, NULL))) ++ goto fail; ++ ++ /* Get the value of the symbol referred to by the reloc. */ ++ if (ELFNN_R_SYM (rel->r_info) < symtab_hdr->sh_info) ++ { ++ /* A local symbol. */ ++ Elf_Internal_Sym *isym = ((Elf_Internal_Sym *) symtab_hdr->contents ++ + ELFNN_R_SYM (rel->r_info)); ++ ++ if (isym->st_shndx == SHN_UNDEF) ++ sym_sec = sec, symval = sec_addr (sec) + rel->r_offset; ++ else ++ { ++ BFD_ASSERT (isym->st_shndx < elf_numsections (abfd)); ++ sym_sec = elf_elfsections (abfd)[isym->st_shndx]->bfd_section; ++ if (sec_addr (sym_sec) == 0) ++ continue; ++ symval = sec_addr (sym_sec) + isym->st_value; ++ } ++ } ++ else ++ { ++ unsigned long indx; ++ struct elf_link_hash_entry *h; ++ ++ indx = ELFNN_R_SYM (rel->r_info) - symtab_hdr->sh_info; ++ h = elf_sym_hashes (abfd)[indx]; ++ ++ while (h->root.type == bfd_link_hash_indirect ++ || h->root.type == bfd_link_hash_warning) ++ h = (struct elf_link_hash_entry *) h->root.u.i.link; ++ ++ if (h->plt.offset != MINUS_ONE) ++ symval = sec_addr (htab->elf.splt) + h->plt.offset; ++ else if (h->root.u.def.section->output_section == NULL ++ || (h->root.type != bfd_link_hash_defined ++ && h->root.type != bfd_link_hash_defweak)) ++ continue; ++ else ++ symval = sec_addr (h->root.u.def.section) + h->root.u.def.value; ++ ++ sym_sec = h->root.u.def.section; ++ } ++ ++ symval += rel->r_addend; ++ ++ if (!relax_func (abfd, sec, sym_sec, info, rel, symval, again)) ++ goto fail; ++ } ++ ++ ret = TRUE; ++ ++fail: ++ if (relocs != data->relocs) ++ free (relocs); ++ ++ return ret; ++} ++ ++#define TARGET_LITTLE_SYM riscv_elfNN_vec ++#define TARGET_LITTLE_NAME "elfNN-littleriscv" ++ ++#define elf_backend_reloc_type_class riscv_reloc_type_class ++ ++#define bfd_elfNN_bfd_reloc_name_lookup riscv_reloc_name_lookup ++#define bfd_elfNN_bfd_link_hash_table_create riscv_elf_link_hash_table_create ++#define bfd_elfNN_bfd_reloc_type_lookup riscv_reloc_type_lookup ++#define bfd_elfNN_bfd_merge_private_bfd_data \ ++ _bfd_riscv_elf_merge_private_bfd_data ++ ++#define elf_backend_copy_indirect_symbol riscv_elf_copy_indirect_symbol ++#define elf_backend_create_dynamic_sections riscv_elf_create_dynamic_sections ++#define elf_backend_check_relocs riscv_elf_check_relocs ++#define elf_backend_adjust_dynamic_symbol riscv_elf_adjust_dynamic_symbol ++#define elf_backend_size_dynamic_sections riscv_elf_size_dynamic_sections ++#define elf_backend_relocate_section riscv_elf_relocate_section ++#define elf_backend_finish_dynamic_symbol riscv_elf_finish_dynamic_symbol ++#define elf_backend_finish_dynamic_sections riscv_elf_finish_dynamic_sections ++#define elf_backend_gc_mark_hook riscv_elf_gc_mark_hook ++#define elf_backend_gc_sweep_hook riscv_elf_gc_sweep_hook ++#define elf_backend_plt_sym_val riscv_elf_plt_sym_val ++#define elf_info_to_howto_rel NULL ++#define elf_info_to_howto riscv_info_to_howto_rela ++#define bfd_elfNN_bfd_relax_section _bfd_riscv_relax_section ++ ++#define elf_backend_init_index_section _bfd_elf_init_1_index_section ++ ++#define elf_backend_can_gc_sections 1 ++#define elf_backend_can_refcount 1 ++#define elf_backend_want_got_plt 1 ++#define elf_backend_plt_readonly 1 ++#define elf_backend_plt_alignment 4 ++#define elf_backend_want_plt_sym 1 ++#define elf_backend_got_header_size (ARCH_SIZE / 8) ++#define elf_backend_rela_normal 1 ++#define elf_backend_default_execstack 0 ++ ++#include "elfNN-target.h" +diff -urN empty/bfd/elfxx-riscv.c binutils-2.26/bfd/elfxx-riscv.c +--- empty/bfd/elfxx-riscv.c 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/bfd/elfxx-riscv.c 2016-04-03 10:33:12.062126369 +0800 +@@ -0,0 +1,814 @@ ++/* RISC-V-specific support for ELF. ++ Copyright 2011-2015 Free Software Foundation, Inc. ++ ++ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. ++ Based on TILE-Gx and MIPS targets. ++ ++ This file is part of BFD, the Binary File Descriptor library. ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3 of the License, or ++ (at your option) any later version. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; see the file COPYING3. If not, ++ see <http://www.gnu.org/licenses/>. */ ++ ++#include "sysdep.h" ++#include "bfd.h" ++#include "libbfd.h" ++#include "elf-bfd.h" ++#include "elf/riscv.h" ++#include "opcode/riscv.h" ++#include "libiberty.h" ++#include "elfxx-riscv.h" ++#include <stdint.h> ++ ++#define MINUS_ONE ((bfd_vma)0 - 1) ++ ++/* The relocation table used for SHT_RELA sections. */ ++ ++static reloc_howto_type howto_table[] = ++{ ++ /* No relocation. */ ++ HOWTO (R_RISCV_NONE, /* type */ ++ 0, /* rightshift */ ++ 3, /* size */ ++ 0, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_NONE", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 32 bit relocation. */ ++ HOWTO (R_RISCV_32, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_32", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0xffffffff, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 64 bit relocation. */ ++ HOWTO (R_RISCV_64, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 64, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_64", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* Relocation against a local symbol in a shared object. */ ++ HOWTO (R_RISCV_RELATIVE, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_RELATIVE", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0xffffffff, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ HOWTO (R_RISCV_COPY, /* type */ ++ 0, /* rightshift */ ++ 0, /* this one is variable size */ ++ 0, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_bitfield, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_COPY", /* name */ ++ FALSE, /* partial_inplace */ ++ 0x0, /* src_mask */ ++ 0x0, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ HOWTO (R_RISCV_JUMP_SLOT, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 64, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_bitfield, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_JUMP_SLOT", /* name */ ++ FALSE, /* partial_inplace */ ++ 0x0, /* src_mask */ ++ 0x0, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* Dynamic TLS relocations. */ ++ HOWTO (R_RISCV_TLS_DTPMOD32, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TLS_DTPMOD32", /* name */ ++ FALSE, /* partial_inplace */ ++ MINUS_ONE, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ HOWTO (R_RISCV_TLS_DTPMOD64, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 64, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TLS_DTPMOD64", /* name */ ++ FALSE, /* partial_inplace */ ++ MINUS_ONE, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ HOWTO (R_RISCV_TLS_DTPREL32, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TLS_DTPREL32", /* name */ ++ TRUE, /* partial_inplace */ ++ MINUS_ONE, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ HOWTO (R_RISCV_TLS_DTPREL64, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 64, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TLS_DTPREL64", /* name */ ++ TRUE, /* partial_inplace */ ++ MINUS_ONE, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ HOWTO (R_RISCV_TLS_TPREL32, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TLS_TPREL32", /* name */ ++ FALSE, /* partial_inplace */ ++ MINUS_ONE, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ HOWTO (R_RISCV_TLS_TPREL64, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 64, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TLS_TPREL64", /* name */ ++ FALSE, /* partial_inplace */ ++ MINUS_ONE, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* Reserved for future relocs that the dynamic linker must understand. */ ++ EMPTY_HOWTO (12), ++ EMPTY_HOWTO (13), ++ EMPTY_HOWTO (14), ++ EMPTY_HOWTO (15), ++ ++ /* 12-bit PC-relative branch offset. */ ++ HOWTO (R_RISCV_BRANCH, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_signed, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_BRANCH", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_SBTYPE_IMM (-1U), /* dst_mask */ ++ TRUE), /* pcrel_offset */ ++ ++ /* 20-bit PC-relative jump offset. */ ++ HOWTO (R_RISCV_JAL, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ /* This needs complex overflow ++ detection, because the upper 36 ++ bits must match the PC + 4. */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_JAL", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_UJTYPE_IMM (-1U), /* dst_mask */ ++ TRUE), /* pcrel_offset */ ++ ++ /* 32-bit PC-relative function call (AUIPC/JALR). */ ++ HOWTO (R_RISCV_CALL, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 64, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_CALL", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32), ++ /* dst_mask */ ++ TRUE), /* pcrel_offset */ ++ ++ /* 32-bit PC-relative function call (AUIPC/JALR). */ ++ HOWTO (R_RISCV_CALL_PLT, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 64, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_CALL_PLT", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32), ++ /* dst_mask */ ++ TRUE), /* pcrel_offset */ ++ ++ /* High 20 bits of 32-bit PC-relative GOT access. */ ++ HOWTO (R_RISCV_GOT_HI20, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_GOT_HI20", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_UTYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* High 20 bits of 32-bit PC-relative TLS IE GOT access. */ ++ HOWTO (R_RISCV_TLS_GOT_HI20, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TLS_GOT_HI20", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_UTYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* High 20 bits of 32-bit PC-relative TLS GD GOT reference. */ ++ HOWTO (R_RISCV_TLS_GD_HI20, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TLS_GD_HI20", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_UTYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* High 20 bits of 32-bit PC-relative reference. */ ++ HOWTO (R_RISCV_PCREL_HI20, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_PCREL_HI20", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_UTYPE_IMM (-1U), /* dst_mask */ ++ TRUE), /* pcrel_offset */ ++ ++ /* Low 12 bits of a 32-bit PC-relative load or add. */ ++ HOWTO (R_RISCV_PCREL_LO12_I, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_PCREL_LO12_I", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_ITYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* Low 12 bits of a 32-bit PC-relative store. */ ++ HOWTO (R_RISCV_PCREL_LO12_S, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_PCREL_LO12_S", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_STYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* High 20 bits of 32-bit absolute address. */ ++ HOWTO (R_RISCV_HI20, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_HI20", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_UTYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* High 12 bits of 32-bit load or add. */ ++ HOWTO (R_RISCV_LO12_I, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_LO12_I", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_ITYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* High 12 bits of 32-bit store. */ ++ HOWTO (R_RISCV_LO12_S, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_LO12_S", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_STYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* High 20 bits of TLS LE thread pointer offset. */ ++ HOWTO (R_RISCV_TPREL_HI20, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_signed, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TPREL_HI20", /* name */ ++ TRUE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_UTYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* Low 12 bits of TLS LE thread pointer offset for loads and adds. */ ++ HOWTO (R_RISCV_TPREL_LO12_I, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_signed, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TPREL_LO12_I", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_ITYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* Low 12 bits of TLS LE thread pointer offset for stores. */ ++ HOWTO (R_RISCV_TPREL_LO12_S, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_signed, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TPREL_LO12_S", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_STYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* TLS LE thread pointer usage. */ ++ HOWTO (R_RISCV_TPREL_ADD, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_TPREL_ADD", /* name */ ++ TRUE, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 8-bit in-place addition, for local label subtraction. */ ++ HOWTO (R_RISCV_ADD8, /* type */ ++ 0, /* rightshift */ ++ 0, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_ADD8", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 16-bit in-place addition, for local label subtraction. */ ++ HOWTO (R_RISCV_ADD16, /* type */ ++ 0, /* rightshift */ ++ 1, /* size */ ++ 16, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_ADD16", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 32-bit in-place addition, for local label subtraction. */ ++ HOWTO (R_RISCV_ADD32, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_ADD32", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 64-bit in-place addition, for local label subtraction. */ ++ HOWTO (R_RISCV_ADD64, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 64, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_ADD64", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 8-bit in-place addition, for local label subtraction. */ ++ HOWTO (R_RISCV_SUB8, /* type */ ++ 0, /* rightshift */ ++ 0, /* size */ ++ 8, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_SUB8", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 16-bit in-place addition, for local label subtraction. */ ++ HOWTO (R_RISCV_SUB16, /* type */ ++ 0, /* rightshift */ ++ 1, /* size */ ++ 16, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_SUB16", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 32-bit in-place addition, for local label subtraction. */ ++ HOWTO (R_RISCV_SUB32, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_SUB32", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* 64-bit in-place addition, for local label subtraction. */ ++ HOWTO (R_RISCV_SUB64, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 64, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_SUB64", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ MINUS_ONE, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* GNU extension to record C++ vtable hierarchy */ ++ HOWTO (R_RISCV_GNU_VTINHERIT, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 0, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ NULL, /* special_function */ ++ "R_RISCV_GNU_VTINHERIT", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* GNU extension to record C++ vtable member usage */ ++ HOWTO (R_RISCV_GNU_VTENTRY, /* type */ ++ 0, /* rightshift */ ++ 4, /* size */ ++ 0, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ _bfd_elf_rel_vtable_reloc_fn, /* special_function */ ++ "R_RISCV_GNU_VTENTRY", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0, /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* Indicates an alignment statement. The addend field encodes how many ++ bytes of NOPs follow the statement. The desired alignment is the ++ addend rounded up to the next power of two. */ ++ HOWTO (R_RISCV_ALIGN, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 0, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_ALIGN", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0, /* dst_mask */ ++ TRUE), /* pcrel_offset */ ++ ++ /* 8-bit PC-relative branch offset. */ ++ HOWTO (R_RISCV_RVC_BRANCH, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_signed, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_RVC_BRANCH", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_RVC_B_IMM (-1U), /* dst_mask */ ++ TRUE), /* pcrel_offset */ ++ ++ /* 11-bit PC-relative jump offset. */ ++ HOWTO (R_RISCV_RVC_JUMP, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ TRUE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ /* This needs complex overflow ++ detection, because the upper 36 ++ bits must match the PC + 4. */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_RVC_JUMP", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_RVC_J_IMM (-1U), /* dst_mask */ ++ TRUE), /* pcrel_offset */ ++ ++ /* High 6 bits of 18-bit absolute address. */ ++ HOWTO (R_RISCV_RVC_LUI, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_RVC_LUI", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_RVC_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* High 12 bits of 32-bit load or add. */ ++ HOWTO (R_RISCV_GPREL_I, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_GPREL_I", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_ITYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++ ++ /* High 12 bits of 32-bit store. */ ++ HOWTO (R_RISCV_GPREL_S, /* type */ ++ 0, /* rightshift */ ++ 2, /* size */ ++ 32, /* bitsize */ ++ FALSE, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_RISCV_GPREL_S", /* name */ ++ FALSE, /* partial_inplace */ ++ 0, /* src_mask */ ++ ENCODE_STYPE_IMM (-1U), /* dst_mask */ ++ FALSE), /* pcrel_offset */ ++}; ++ ++/* A mapping from BFD reloc types to RISC-V ELF reloc types. */ ++ ++struct elf_reloc_map { ++ bfd_reloc_code_real_type bfd_val; ++ enum elf_riscv_reloc_type elf_val; ++}; ++ ++static const struct elf_reloc_map riscv_reloc_map[] = ++{ ++ { BFD_RELOC_NONE, R_RISCV_NONE }, ++ { BFD_RELOC_32, R_RISCV_32 }, ++ { BFD_RELOC_64, R_RISCV_64 }, ++ { BFD_RELOC_RISCV_ADD8, R_RISCV_ADD8 }, ++ { BFD_RELOC_RISCV_ADD16, R_RISCV_ADD16 }, ++ { BFD_RELOC_RISCV_ADD32, R_RISCV_ADD32 }, ++ { BFD_RELOC_RISCV_ADD64, R_RISCV_ADD64 }, ++ { BFD_RELOC_RISCV_SUB8, R_RISCV_SUB8 }, ++ { BFD_RELOC_RISCV_SUB16, R_RISCV_SUB16 }, ++ { BFD_RELOC_RISCV_SUB32, R_RISCV_SUB32 }, ++ { BFD_RELOC_RISCV_SUB64, R_RISCV_SUB64 }, ++ { BFD_RELOC_CTOR, R_RISCV_64 }, ++ { BFD_RELOC_12_PCREL, R_RISCV_BRANCH }, ++ { BFD_RELOC_RISCV_HI20, R_RISCV_HI20 }, ++ { BFD_RELOC_RISCV_LO12_I, R_RISCV_LO12_I }, ++ { BFD_RELOC_RISCV_LO12_S, R_RISCV_LO12_S }, ++ { BFD_RELOC_RISCV_PCREL_LO12_I, R_RISCV_PCREL_LO12_I }, ++ { BFD_RELOC_RISCV_PCREL_LO12_S, R_RISCV_PCREL_LO12_S }, ++ { BFD_RELOC_RISCV_CALL, R_RISCV_CALL }, ++ { BFD_RELOC_RISCV_CALL_PLT, R_RISCV_CALL_PLT }, ++ { BFD_RELOC_RISCV_PCREL_HI20, R_RISCV_PCREL_HI20 }, ++ { BFD_RELOC_RISCV_JMP, R_RISCV_JAL }, ++ { BFD_RELOC_RISCV_GOT_HI20, R_RISCV_GOT_HI20 }, ++ { BFD_RELOC_RISCV_TLS_DTPMOD32, R_RISCV_TLS_DTPMOD32 }, ++ { BFD_RELOC_RISCV_TLS_DTPREL32, R_RISCV_TLS_DTPREL32 }, ++ { BFD_RELOC_RISCV_TLS_DTPMOD64, R_RISCV_TLS_DTPMOD64 }, ++ { BFD_RELOC_RISCV_TLS_DTPREL64, R_RISCV_TLS_DTPREL64 }, ++ { BFD_RELOC_RISCV_TLS_TPREL32, R_RISCV_TLS_TPREL32 }, ++ { BFD_RELOC_RISCV_TLS_TPREL64, R_RISCV_TLS_TPREL64 }, ++ { BFD_RELOC_RISCV_TPREL_HI20, R_RISCV_TPREL_HI20 }, ++ { BFD_RELOC_RISCV_TPREL_ADD, R_RISCV_TPREL_ADD }, ++ { BFD_RELOC_RISCV_TPREL_LO12_S, R_RISCV_TPREL_LO12_S }, ++ { BFD_RELOC_RISCV_TPREL_LO12_I, R_RISCV_TPREL_LO12_I }, ++ { BFD_RELOC_RISCV_TLS_GOT_HI20, R_RISCV_TLS_GOT_HI20 }, ++ { BFD_RELOC_RISCV_TLS_GD_HI20, R_RISCV_TLS_GD_HI20 }, ++ { BFD_RELOC_RISCV_ALIGN, R_RISCV_ALIGN }, ++ { BFD_RELOC_RISCV_RVC_BRANCH, R_RISCV_RVC_BRANCH }, ++ { BFD_RELOC_RISCV_RVC_JUMP, R_RISCV_RVC_JUMP }, ++ { BFD_RELOC_RISCV_RVC_LUI, R_RISCV_RVC_LUI }, ++ { BFD_RELOC_RISCV_GPREL_I, R_RISCV_GPREL_I }, ++ { BFD_RELOC_RISCV_GPREL_S, R_RISCV_GPREL_S }, ++}; ++ ++/* Given a BFD reloc type, return a howto structure. */ ++ ++reloc_howto_type * ++riscv_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, ++ bfd_reloc_code_real_type code) ++{ ++ unsigned int i; ++ ++ for (i = 0; i < ARRAY_SIZE (riscv_reloc_map); i++) ++ if (riscv_reloc_map[i].bfd_val == code) ++ return &howto_table[(int) riscv_reloc_map[i].elf_val]; ++ ++ bfd_set_error (bfd_error_bad_value); ++ return NULL; ++} ++ ++reloc_howto_type * ++riscv_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name) ++{ ++ unsigned int i; ++ ++ for (i = 0; i < ARRAY_SIZE (howto_table); i++) ++ if (howto_table[i].name && strcasecmp (howto_table[i].name, r_name) == 0) ++ return &howto_table[i]; ++ ++ return NULL; ++} ++ ++reloc_howto_type * ++riscv_elf_rtype_to_howto (unsigned int r_type) ++{ ++ if (r_type >= ARRAY_SIZE (howto_table)) ++ { ++ (*_bfd_error_handler) (_("unrecognized relocation (0x%x)"), r_type); ++ bfd_set_error (bfd_error_bad_value); ++ return NULL; ++ } ++ return &howto_table[r_type]; ++} +diff -urN empty/bfd/elfxx-riscv.h binutils-2.26/bfd/elfxx-riscv.h +--- empty/bfd/elfxx-riscv.h 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/bfd/elfxx-riscv.h 2016-04-03 10:12:57.122276559 +0800 +@@ -0,0 +1,33 @@ ++/* RISC-V ELF specific backend routines. ++ Copyright 2011-2015 Free Software Foundation, Inc. ++ ++ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. ++ Based on MIPS target. ++ ++ This file is part of BFD, the Binary File Descriptor library. ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3 of the License, or ++ (at your option) any later version. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; see the file COPYING3. If not, ++ see <http://www.gnu.org/licenses/>. */ ++ ++#include "elf/common.h" ++#include "elf/internal.h" ++ ++extern reloc_howto_type * ++riscv_reloc_name_lookup (bfd *, const char *); ++ ++extern reloc_howto_type * ++riscv_reloc_type_lookup (bfd *, bfd_reloc_code_real_type); ++ ++extern reloc_howto_type * ++riscv_elf_rtype_to_howto (unsigned int r_type); +diff -urN empty/gas/config/tc-riscv.c binutils-2.26/gas/config/tc-riscv.c +--- empty/gas/config/tc-riscv.c 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/gas/config/tc-riscv.c 2016-04-09 10:50:33.576657106 +0800 +@@ -0,0 +1,2434 @@ ++/* tc-riscv.c -- RISC-V assembler ++ Copyright 2011-2015 Free Software Foundation, Inc. ++ ++ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. ++ Based on MIPS target. ++ ++ This file is part of GAS. ++ ++ GAS is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3, or (at your option) ++ any later version. ++ ++ GAS is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; see the file COPYING3. If not, ++ see <http://www.gnu.org/licenses/>. */ ++ ++#include "as.h" ++#include "config.h" ++#include "subsegs.h" ++#include "safe-ctype.h" ++ ++#include "itbl-ops.h" ++#include "dwarf2dbg.h" ++#include "dw2gencfi.h" ++ ++#include "elf/riscv.h" ++#include "opcode/riscv.h" ++ ++#include <execinfo.h> ++#include <stdint.h> ++ ++/* Information about an instruction, including its format, operands ++ and fixups. */ ++struct riscv_cl_insn ++{ ++ /* The opcode's entry in riscv_opcodes. */ ++ const struct riscv_opcode *insn_mo; ++ ++ /* The encoded instruction bits. */ ++ insn_t insn_opcode; ++ ++ /* The frag that contains the instruction. */ ++ struct frag *frag; ++ ++ /* The offset into FRAG of the first instruction byte. */ ++ long where; ++ ++ /* The relocs associated with the instruction, if any. */ ++ fixS *fixp; ++}; ++ ++/* The default architecture. */ ++#ifndef DEFAULT_ARCH ++#define DEFAULT_ARCH "riscv64" ++#endif ++static const char default_arch[] = DEFAULT_ARCH; ++ ++unsigned xlen = 0; /* width of an x-register */ ++#define LOAD_ADDRESS_INSN (xlen == 64 ? "ld" : "lw") ++#define ADD32_INSN (xlen == 64 ? "addiw" : "addi") ++ ++static unsigned elf_flags = 0; ++ ++/* This is the set of options which the .option pseudo-op may modify. */ ++ ++struct riscv_set_options ++{ ++ int pic; /* Generate position-independent code. */ ++ int rvc; /* Generate RVC code. */ ++}; ++ ++static struct riscv_set_options riscv_opts = ++{ ++ 0, /* pic */ ++ 0, /* rvc */ ++}; ++ ++static void ++riscv_set_rvc (bfd_boolean rvc_value) ++{ ++ if (rvc_value) ++ elf_flags |= EF_RISCV_RVC; ++ ++ riscv_opts.rvc = rvc_value; ++} ++ ++struct riscv_subset ++{ ++ const char *name; ++ int version_major; ++ int version_minor; ++ ++ struct riscv_subset *next; ++}; ++ ++static struct riscv_subset *riscv_subsets; ++ ++static bfd_boolean ++riscv_subset_supports (const char *feature) ++{ ++ struct riscv_subset *s; ++ char *p; ++ unsigned xlen_required = strtoul (feature, &p, 10); ++ ++ if (xlen_required && xlen != xlen_required) ++ return FALSE; ++ ++ for (s = riscv_subsets; s != NULL; s = s->next) ++ if (strcasecmp (s->name, p) == 0) ++ /* FIXME: once we support version numbers: ++ return major == s->version_major && minor <= s->version_minor; */ ++ return TRUE; ++ ++ return FALSE; ++} ++ ++static void ++riscv_add_subset (const char *subset) ++{ ++ struct riscv_subset *s = xmalloc (sizeof *s); ++ s->name = xstrdup (subset); ++ s->version_major = 2; ++ s->version_minor = 0; ++ s->next = riscv_subsets; ++ riscv_subsets = s; ++} ++ ++/* Set which ISA and extensions are available. Formally, ISA strings must ++ begin with RV32 or RV64, but we allow the prefix to be omitted. ++ ++ FIXME: Version numbers are not supported yet. */ ++static void ++riscv_set_arch (const char *arg) ++{ ++ char *uppercase = xstrdup (arg); ++ char *p = uppercase; ++ const char *all_subsets = "IMAFDC"; ++ const char *extension = NULL; ++ int rvc = 0; ++ int i; ++ ++ for (i = 0; uppercase[i]; i++) ++ uppercase[i] = TOUPPER (uppercase[i]); ++ ++ if (strncmp (p, "RV32", 4) == 0) ++ { ++ xlen = 32; ++ p += 4; ++ } ++ else if (strncmp (p, "RV64", 4) == 0) ++ { ++ xlen = 64; ++ p += 4; ++ } ++ else if (strncmp (p, "RV", 2) == 0) ++ p += 2; ++ ++ switch (*p) ++ { ++ case 'I': ++ break; ++ ++ case 'G': ++ p++; ++ /* Fall through. */ ++ ++ case '\0': ++ for (i = 0; all_subsets[i] != '\0'; i++) ++ { ++ const char subset[] = {all_subsets[i], '\0'}; ++ riscv_add_subset (subset); ++ } ++ break; ++ ++ default: ++ as_fatal ("`I' must be the first ISA subset name specified (got %c)", ++ *p); ++ } ++ ++ while (*p) ++ { ++ if (*p == 'X') ++ { ++ char *subset = xstrdup (p), *q = subset; ++ ++ while (*++q != '\0' && *q != '_') ++ ; ++ *q = '\0'; ++ ++ if (extension) ++ as_fatal ("only one eXtension is supported (found %s and %s)", ++ extension, subset); ++ extension = subset; ++ riscv_add_subset (subset); ++ p += strlen (subset); ++ free (subset); ++ } ++ else if (*p == '_') ++ p++; ++ else if ((all_subsets = strchr (all_subsets, *p)) != NULL) ++ { ++ const char subset[] = {*p, 0}; ++ riscv_add_subset (subset); ++ if (*p == 'C') ++ rvc = 1; ++ all_subsets++; ++ p++; ++ } ++ else ++ as_fatal ("unsupported ISA subset %c", *p); ++ } ++ ++ if (rvc) ++ /* Override -m[no-]rvc setting if C was explicitly listed. */ ++ riscv_set_rvc (TRUE); ++ else ++ /* Add RVC anyway. -m[no-]rvc toggles its availability. */ ++ riscv_add_subset ("C"); ++ ++ free (uppercase); ++} ++ ++/* handle of the OPCODE hash table */ ++static struct hash_control *op_hash = NULL; ++ ++/* This array holds the chars that always start a comment. If the ++ pre-processor is disabled, these aren't very useful */ ++const char comment_chars[] = "#"; ++ ++/* This array holds the chars that only start a comment at the beginning of ++ a line. If the line seems to have the form '# 123 filename' ++ .line and .file directives will appear in the pre-processed output */ ++/* Note that input_file.c hand checks for '#' at the beginning of the ++ first line of the input file. This is because the compiler outputs ++ #NO_APP at the beginning of its output. */ ++/* Also note that C style comments are always supported. */ ++const char line_comment_chars[] = "#"; ++ ++/* This array holds machine specific line separator characters. */ ++const char line_separator_chars[] = ";"; ++ ++/* Chars that can be used to separate mant from exp in floating point nums */ ++const char EXP_CHARS[] = "eE"; ++ ++/* Chars that mean this number is a floating point constant */ ++/* As in 0f12.456 */ ++/* or 0d1.2345e12 */ ++const char FLT_CHARS[] = "rRsSfFdDxXpP"; ++ ++/* Macros for encoding relaxation state for RVC branches and far jumps. */ ++#define RELAX_BRANCH_ENCODE(uncond, rvc, length) \ ++ ((relax_substateT) \ ++ (0xc0000000 \ ++ | ((uncond) ? 1 : 0) \ ++ | ((rvc) ? 2 : 0) \ ++ | ((length) << 2))) ++#define RELAX_BRANCH_P(i) (((i) & 0xf0000000) == 0xc0000000) ++#define RELAX_BRANCH_LENGTH(i) (((i) >> 2) & 0xF) ++#define RELAX_BRANCH_RVC(i) (((i) & 2) != 0) ++#define RELAX_BRANCH_UNCOND(i) (((i) & 1) != 0) ++ ++/* Is the given value a sign-extended 32-bit value? */ ++#define IS_SEXT_32BIT_NUM(x) \ ++ (((x) &~ (offsetT) 0x7fffffff) == 0 \ ++ || (((x) &~ (offsetT) 0x7fffffff) == ~ (offsetT) 0x7fffffff)) ++ ++/* Is the given value a zero-extended 32-bit value? Or a negated one? */ ++#define IS_ZEXT_32BIT_NUM(x) \ ++ (((x) &~ (offsetT) 0xffffffff) == 0 \ ++ || (((x) &~ (offsetT) 0xffffffff) == ~ (offsetT) 0xffffffff)) ++ ++/* Change INSN's opcode so that the operand given by FIELD has value VALUE. ++ INSN is a riscv_cl_insn structure and VALUE is evaluated exactly once. */ ++#define INSERT_OPERAND(FIELD, INSN, VALUE) \ ++ INSERT_BITS ((INSN).insn_opcode, VALUE, OP_MASK_##FIELD, OP_SH_##FIELD) ++ ++/* Determine if an instruction matches an opcode. */ ++#define OPCODE_MATCHES(OPCODE, OP) \ ++ (((OPCODE) & MASK_##OP) == MATCH_##OP) ++ ++static char *expr_end; ++ ++/* The default target format to use. */ ++ ++const char * ++riscv_target_format (void) ++{ ++ return xlen == 64 ? "elf64-littleriscv" : "elf32-littleriscv"; ++} ++ ++/* Return the length of instruction INSN. */ ++ ++static inline unsigned int ++insn_length (const struct riscv_cl_insn *insn) ++{ ++ return riscv_insn_length (insn->insn_opcode); ++} ++ ++/* Initialise INSN from opcode entry MO. Leave its position unspecified. */ ++ ++static void ++create_insn (struct riscv_cl_insn *insn, const struct riscv_opcode *mo) ++{ ++ insn->insn_mo = mo; ++ insn->insn_opcode = mo->match; ++ insn->frag = NULL; ++ insn->where = 0; ++ insn->fixp = NULL; ++} ++ ++/* Install INSN at the location specified by its "frag" and "where" fields. */ ++ ++static void ++install_insn (const struct riscv_cl_insn *insn) ++{ ++ char *f = insn->frag->fr_literal + insn->where; ++ md_number_to_chars (f, insn->insn_opcode, insn_length (insn)); ++} ++ ++/* Move INSN to offset WHERE in FRAG. Adjust the fixups accordingly ++ and install the opcode in the new location. */ ++ ++static void ++move_insn (struct riscv_cl_insn *insn, fragS *frag, long where) ++{ ++ insn->frag = frag; ++ insn->where = where; ++ if (insn->fixp != NULL) ++ { ++ insn->fixp->fx_frag = frag; ++ insn->fixp->fx_where = where; ++ } ++ install_insn (insn); ++} ++ ++/* Add INSN to the end of the output. */ ++ ++static void ++add_fixed_insn (struct riscv_cl_insn *insn) ++{ ++ char *f = frag_more (insn_length (insn)); ++ move_insn (insn, frag_now, f - frag_now->fr_literal); ++} ++ ++static void ++add_relaxed_insn (struct riscv_cl_insn *insn, int max_chars, int var, ++ relax_substateT subtype, symbolS *symbol, offsetT offset) ++{ ++ frag_grow (max_chars); ++ move_insn (insn, frag_now, frag_more (0) - frag_now->fr_literal); ++ frag_var (rs_machine_dependent, max_chars, var, ++ subtype, symbol, offset, NULL); ++} ++ ++/* Compute the length of a branch sequence, and adjust the stored length ++ accordingly. If FRAGP is NULL, the worst-case length is returned. */ ++ ++static int ++relaxed_branch_length (fragS *fragp, asection *sec, int update) ++{ ++ int jump, rvc, length = 8; ++ ++ if (!fragp) ++ return length; ++ ++ jump = RELAX_BRANCH_UNCOND (fragp->fr_subtype); ++ rvc = RELAX_BRANCH_RVC (fragp->fr_subtype); ++ length = RELAX_BRANCH_LENGTH (fragp->fr_subtype); ++ ++ /* Assume jumps are in range; the linker will catch any that aren't. */ ++ length = jump ? 4 : 8; ++ ++ if (fragp->fr_symbol != NULL ++ && S_IS_DEFINED (fragp->fr_symbol) ++ && sec == S_GET_SEGMENT (fragp->fr_symbol)) ++ { ++ offsetT val = S_GET_VALUE (fragp->fr_symbol) + fragp->fr_offset; ++ bfd_vma rvc_range = jump ? RVC_JUMP_REACH : RVC_BRANCH_REACH; ++ val -= fragp->fr_address + fragp->fr_fix; ++ ++ if (rvc && (bfd_vma)(val + rvc_range/2) < rvc_range) ++ length = 2; ++ else if ((bfd_vma)(val + RISCV_BRANCH_REACH/2) < RISCV_BRANCH_REACH) ++ length = 4; ++ else if (!jump && rvc) ++ length = 6; ++ } ++ ++ if (update) ++ fragp->fr_subtype = RELAX_BRANCH_ENCODE (jump, rvc, length); ++ ++ return length; ++} ++ ++struct regname { ++ const char *name; ++ unsigned int num; ++}; ++ ++enum reg_class { ++ RCLASS_GPR, ++ RCLASS_FPR, ++ RCLASS_CSR, ++ RCLASS_MAX ++}; ++ ++static struct hash_control *reg_names_hash = NULL; ++ ++#define ENCODE_REG_HASH(cls, n) (void *)(uintptr_t)((n) * RCLASS_MAX + (cls) + 1) ++#define DECODE_REG_CLASS(hash) (((uintptr_t)(hash) - 1) % RCLASS_MAX) ++#define DECODE_REG_NUM(hash) (((uintptr_t)(hash) - 1) / RCLASS_MAX) ++ ++static void ++hash_reg_name (enum reg_class class, const char *name, unsigned n) ++{ ++ void *hash = ENCODE_REG_HASH (class, n); ++ const char *retval = hash_insert (reg_names_hash, name, hash); ++ ++ if (retval != NULL) ++ as_fatal (_("internal error: can't hash `%s': %s"), name, retval); ++} ++ ++static void ++hash_reg_names (enum reg_class class, const char * const names[], unsigned n) ++{ ++ unsigned i; ++ ++ for (i = 0; i < n; i++) ++ hash_reg_name (class, names[i], i); ++} ++ ++static unsigned int ++reg_lookup_internal (const char *s, enum reg_class class) ++{ ++ struct regname *r = (struct regname *) hash_find (reg_names_hash, s); ++ if (r == NULL || DECODE_REG_CLASS (r) != class) ++ return -1; ++ return DECODE_REG_NUM (r); ++} ++ ++static int ++reg_lookup (char **s, enum reg_class class, unsigned int *regnop) ++{ ++ char *e; ++ char save_c; ++ int reg = -1; ++ ++ /* Find end of name. */ ++ e = *s; ++ if (is_name_beginner (*e)) ++ ++e; ++ while (is_part_of_name (*e)) ++ ++e; ++ ++ /* Terminate name. */ ++ save_c = *e; ++ *e = '\0'; ++ ++ /* Look for the register. Advance to next token if one was recognized. */ ++ if ((reg = reg_lookup_internal (*s, class)) >= 0) ++ *s = e; ++ ++ *e = save_c; ++ if (regnop) ++ *regnop = reg; ++ return reg >= 0; ++} ++ ++static int ++arg_lookup (char **s, const char *const *array, size_t size, unsigned *regnop) ++{ ++ const char *p = strchr (*s, ','); ++ size_t i, len = p ? (size_t)(p - *s) : strlen (*s); ++ ++ for (i = 0; i < size; i++) ++ if (array[i] != NULL && strncmp (array[i], *s, len) == 0) ++ { ++ *regnop = i; ++ *s += len; ++ return 1; ++ } ++ ++ return 0; ++} ++ ++/* For consistency checking, verify that all bits are specified either ++ by the match/mask part of the instruction definition, or by the ++ operand list. */ ++static int ++validate_riscv_insn (const struct riscv_opcode *opc) ++{ ++ const char *p = opc->args; ++ char c; ++ insn_t used_bits = opc->mask; ++ int insn_width = 8 * riscv_insn_length (opc->match); ++ insn_t required_bits = ~0ULL >> (64 - insn_width); ++ ++ if ((used_bits & opc->match) != (opc->match & required_bits)) ++ { ++ as_bad (_("internal: bad RISC-V opcode (mask error): %s %s"), ++ opc->name, opc->args); ++ return 0; ++ } ++ ++#define USE_BITS(mask,shift) (used_bits |= ((insn_t)(mask) << (shift))) ++ while (*p) ++ switch (c = *p++) ++ { ++ /* Xcustom */ ++ case '^': ++ switch (c = *p++) ++ { ++ case 'd': USE_BITS (OP_MASK_RD, OP_SH_RD); break; ++ case 's': USE_BITS (OP_MASK_RS1, OP_SH_RS1); break; ++ case 't': USE_BITS (OP_MASK_RS2, OP_SH_RS2); break; ++ case 'j': USE_BITS (OP_MASK_CUSTOM_IMM, OP_SH_CUSTOM_IMM); break; ++ } ++ break; ++ case 'C': /* RVC */ ++ switch (c = *p++) ++ { ++ case 'a': used_bits |= ENCODE_RVC_J_IMM(-1U); break; ++ case 'c': break; /* RS1, constrained to equal sp */ ++ case 'i': used_bits |= ENCODE_RVC_SIMM3(-1U); break; ++ case 'j': used_bits |= ENCODE_RVC_IMM(-1U); break; ++ case 'k': used_bits |= ENCODE_RVC_LW_IMM(-1U); break; ++ case 'l': used_bits |= ENCODE_RVC_LD_IMM(-1U); break; ++ case 'm': used_bits |= ENCODE_RVC_LWSP_IMM(-1U); break; ++ case 'n': used_bits |= ENCODE_RVC_LDSP_IMM(-1U); break; ++ case 'p': used_bits |= ENCODE_RVC_B_IMM(-1U); break; ++ case 's': USE_BITS (OP_MASK_CRS1S, OP_SH_CRS1S); break; ++ case 't': USE_BITS (OP_MASK_CRS2S, OP_SH_CRS2S); break; ++ case 'u': used_bits |= ENCODE_RVC_IMM(-1U); break; ++ case 'v': used_bits |= ENCODE_RVC_IMM(-1U); break; ++ case 'w': break; /* RS1S, constrained to equal RD */ ++ case 'x': break; /* RS2S, constrained to equal RD */ ++ case 'K': used_bits |= ENCODE_RVC_ADDI4SPN_IMM(-1U); break; ++ case 'L': used_bits |= ENCODE_RVC_ADDI16SP_IMM(-1U); break; ++ case 'M': used_bits |= ENCODE_RVC_SWSP_IMM(-1U); break; ++ case 'N': used_bits |= ENCODE_RVC_SDSP_IMM(-1U); break; ++ case 'U': break; /* RS1, constrained to equal RD */ ++ case 'V': USE_BITS (OP_MASK_CRS2, OP_SH_CRS2); break; ++ case '<': used_bits |= ENCODE_RVC_IMM(-1U); break; ++ case '>': used_bits |= ENCODE_RVC_IMM(-1U); break; ++ case 'T': USE_BITS (OP_MASK_CRS2, OP_SH_CRS2); break; ++ case 'D': USE_BITS (OP_MASK_CRS2S, OP_SH_CRS2S); break; ++ default: ++ as_bad (_("internal: bad RISC-V opcode (unknown operand type `C%c'): %s %s"), ++ c, opc->name, opc->args); ++ return 0; ++ } ++ break; ++ case ',': break; ++ case '(': break; ++ case ')': break; ++ case '<': USE_BITS (OP_MASK_SHAMTW, OP_SH_SHAMTW); break; ++ case '>': USE_BITS (OP_MASK_SHAMT, OP_SH_SHAMT); break; ++ case 'A': break; ++ case 'D': USE_BITS (OP_MASK_RD, OP_SH_RD); break; ++ case 'Z': USE_BITS (OP_MASK_RS1, OP_SH_RS1); break; ++ case 'E': USE_BITS (OP_MASK_CSR, OP_SH_CSR); break; ++ case 'I': break; ++ case 'R': USE_BITS (OP_MASK_RS3, OP_SH_RS3); break; ++ case 'S': USE_BITS (OP_MASK_RS1, OP_SH_RS1); break; ++ case 'U': USE_BITS (OP_MASK_RS1, OP_SH_RS1); /* fallthru */ ++ case 'T': USE_BITS (OP_MASK_RS2, OP_SH_RS2); break; ++ case 'd': USE_BITS (OP_MASK_RD, OP_SH_RD); break; ++ case 'm': USE_BITS (OP_MASK_RM, OP_SH_RM); break; ++ case 's': USE_BITS (OP_MASK_RS1, OP_SH_RS1); break; ++ case 't': USE_BITS (OP_MASK_RS2, OP_SH_RS2); break; ++ case 'P': USE_BITS (OP_MASK_PRED, OP_SH_PRED); break; ++ case 'Q': USE_BITS (OP_MASK_SUCC, OP_SH_SUCC); break; ++ case 'o': ++ case 'j': used_bits |= ENCODE_ITYPE_IMM(-1U); break; ++ case 'a': used_bits |= ENCODE_UJTYPE_IMM(-1U); break; ++ case 'p': used_bits |= ENCODE_SBTYPE_IMM(-1U); break; ++ case 'q': used_bits |= ENCODE_STYPE_IMM(-1U); break; ++ case 'u': used_bits |= ENCODE_UTYPE_IMM(-1U); break; ++ case '[': break; ++ case ']': break; ++ case '0': break; ++ default: ++ as_bad (_("internal: bad RISC-V opcode (unknown operand type `%c'): %s %s"), ++ c, opc->name, opc->args); ++ return 0; ++ } ++#undef USE_BITS ++ if (used_bits != required_bits) ++ { ++ as_bad (_("internal: bad RISC-V opcode (bits 0x%lx undefined): %s %s"), ++ ~(long)(used_bits & required_bits), opc->name, opc->args); ++ return 0; ++ } ++ return 1; ++} ++ ++struct percent_op_match ++{ ++ const char *str; ++ bfd_reloc_code_real_type reloc; ++}; ++ ++/* This function is called once, at assembler startup time. It should set up ++ all the tables, etc. that the MD part of the assembler will need. */ ++ ++void ++md_begin (void) ++{ ++ const char *retval = NULL; ++ int i = 0; ++ ++ if (! bfd_set_arch_mach (stdoutput, bfd_arch_riscv, 0)) ++ as_warn (_("Could not set architecture and machine")); ++ ++ op_hash = hash_new (); ++ ++ for (i = 0; i < NUMOPCODES;) ++ { ++ const char *name = riscv_opcodes[i].name; ++ ++ retval = hash_insert (op_hash, name, (void *) &riscv_opcodes[i]); ++ ++ if (retval != NULL) ++ { ++ fprintf (stderr, _("internal error: can't hash `%s': %s\n"), ++ riscv_opcodes[i].name, retval); ++ /* Probably a memory allocation problem? Give up now. */ ++ as_fatal (_("Broken assembler. No assembly attempted.")); ++ } ++ do ++ { ++ if (riscv_opcodes[i].pinfo != INSN_MACRO) ++ { ++ if (!validate_riscv_insn (&riscv_opcodes[i])) ++ as_fatal (_("Broken assembler. No assembly attempted.")); ++ } ++ ++i; ++ } ++ while ((i < NUMOPCODES) && !strcmp (riscv_opcodes[i].name, name)); ++ } ++ ++ reg_names_hash = hash_new (); ++ hash_reg_names (RCLASS_GPR, riscv_gpr_names_numeric, NGPR); ++ hash_reg_names (RCLASS_GPR, riscv_gpr_names_abi, NGPR); ++ hash_reg_names (RCLASS_FPR, riscv_fpr_names_numeric, NFPR); ++ hash_reg_names (RCLASS_FPR, riscv_fpr_names_abi, NFPR); ++ ++#define DECLARE_CSR(name, num) hash_reg_name (RCLASS_CSR, #name, num); ++#include "opcode/riscv-opc.h" ++#undef DECLARE_CSR ++ ++ /* Set the default alignment for the text section. */ ++ record_alignment (text_section, riscv_opts.rvc ? 1 : 2); ++} ++ ++/* Output an instruction. IP is the instruction information. ++ ADDRESS_EXPR is an operand of the instruction to be used with ++ RELOC_TYPE. */ ++ ++static void ++append_insn (struct riscv_cl_insn *ip, expressionS *address_expr, ++ bfd_reloc_code_real_type reloc_type) ++{ ++#ifdef OBJ_ELF ++ dwarf2_emit_insn (0); ++#endif ++ ++ if (reloc_type != BFD_RELOC_UNUSED) ++ { ++ reloc_howto_type *howto; ++ ++ gas_assert(address_expr); ++ if (reloc_type == BFD_RELOC_12_PCREL ++ || reloc_type == BFD_RELOC_RISCV_JMP) ++ { ++ int j = reloc_type == BFD_RELOC_RISCV_JMP; ++ int best_case = riscv_insn_length (ip->insn_opcode); ++ int worst_case = relaxed_branch_length (NULL, NULL, 0); ++ add_relaxed_insn (ip, worst_case, best_case, ++ RELAX_BRANCH_ENCODE (j, best_case == 2, worst_case), ++ address_expr->X_add_symbol, ++ address_expr->X_add_number); ++ return; ++ } ++ else if (address_expr->X_op == O_constant) ++ { ++ switch (reloc_type) ++ { ++ case BFD_RELOC_32: ++ ip->insn_opcode |= address_expr->X_add_number; ++ goto append; ++ ++ case BFD_RELOC_RISCV_HI20: ++ { ++ insn_t imm = RISCV_CONST_HIGH_PART (address_expr->X_add_number); ++ ip->insn_opcode |= ENCODE_UTYPE_IMM (imm); ++ goto append; ++ } ++ ++ case BFD_RELOC_RISCV_LO12_S: ++ ip->insn_opcode |= ENCODE_STYPE_IMM (address_expr->X_add_number); ++ goto append; ++ ++ case BFD_RELOC_RISCV_LO12_I: ++ ip->insn_opcode |= ENCODE_ITYPE_IMM (address_expr->X_add_number); ++ goto append; ++ ++ default: ++ break; ++ } ++ } ++ ++ howto = bfd_reloc_type_lookup (stdoutput, reloc_type); ++ if (howto == NULL) ++ as_bad (_("Unsupported RISC-V relocation number %d"), reloc_type); ++ ++ ip->fixp = fix_new_exp (ip->frag, ip->where, ++ bfd_get_reloc_size (howto), ++ address_expr, FALSE, reloc_type); ++ } ++ ++append: ++ add_fixed_insn (ip); ++ install_insn (ip); ++} ++ ++/* Build an instruction created by a macro expansion. This is passed ++ a pointer to the count of instructions created so far, an ++ expression, the name of the instruction to build, an operand format ++ string, and corresponding arguments. */ ++ ++static void ++macro_build (expressionS *ep, const char *name, const char *fmt, ...) ++{ ++ const struct riscv_opcode *mo; ++ struct riscv_cl_insn insn; ++ bfd_reloc_code_real_type r; ++ va_list args; ++ ++ va_start (args, fmt); ++ ++ r = BFD_RELOC_UNUSED; ++ mo = (struct riscv_opcode *) hash_find (op_hash, name); ++ gas_assert (mo); ++ ++ /* Find a non-RVC variant of the instruction. */ ++ while (riscv_insn_length (mo->match) < 4) ++ mo++; ++ gas_assert (strcmp (name, mo->name) == 0); ++ ++ create_insn (&insn, mo); ++ for (;;) ++ { ++ switch (*fmt++) ++ { ++ case 'd': ++ INSERT_OPERAND (RD, insn, va_arg (args, int)); ++ continue; ++ ++ case 's': ++ INSERT_OPERAND (RS1, insn, va_arg (args, int)); ++ continue; ++ ++ case 't': ++ INSERT_OPERAND (RS2, insn, va_arg (args, int)); ++ continue; ++ ++ case '>': ++ INSERT_OPERAND (SHAMT, insn, va_arg (args, int)); ++ continue; ++ ++ case 'j': ++ case 'u': ++ case 'q': ++ gas_assert (ep != NULL); ++ r = va_arg (args, int); ++ continue; ++ ++ case '\0': ++ break; ++ case ',': ++ continue; ++ default: ++ as_fatal (_("internal error: invalid macro")); ++ } ++ break; ++ } ++ va_end (args); ++ gas_assert (r == BFD_RELOC_UNUSED ? ep == NULL : ep != NULL); ++ ++ append_insn (&insn, ep, r); ++} ++ ++/* Sign-extend 32-bit mode constants that have bit 31 set and all higher bits ++ unset. */ ++static void ++normalize_constant_expr (expressionS *ex) ++{ ++ if (xlen > 32) ++ return; ++ if ((ex->X_op == O_constant || ex->X_op == O_symbol) ++ && IS_ZEXT_32BIT_NUM (ex->X_add_number)) ++ ex->X_add_number = (((ex->X_add_number & 0xffffffff) ^ 0x80000000) ++ - 0x80000000); ++} ++ ++/* Warn if an expression is not a constant. */ ++ ++static void ++check_absolute_expr (struct riscv_cl_insn *ip, expressionS *ex) ++{ ++ if (ex->X_op == O_big) ++ as_bad (_("unsupported large constant")); ++ else if (ex->X_op != O_constant) ++ as_bad (_("Instruction %s requires absolute expression"), ++ ip->insn_mo->name); ++ normalize_constant_expr (ex); ++} ++ ++static symbolS * ++make_internal_label (void) ++{ ++ return (symbolS *) local_symbol_make (FAKE_LABEL_NAME, now_seg, ++ (valueT) frag_now_fix(), frag_now); ++} ++ ++/* Load an entry from the GOT. */ ++static void ++pcrel_access (int destreg, int tempreg, expressionS *ep, ++ const char *lo_insn, const char *lo_pattern, ++ bfd_reloc_code_real_type hi_reloc, ++ bfd_reloc_code_real_type lo_reloc) ++{ ++ expressionS ep2; ++ ep2.X_op = O_symbol; ++ ep2.X_add_symbol = make_internal_label (); ++ ep2.X_add_number = 0; ++ ++ macro_build (ep, "auipc", "d,u", tempreg, hi_reloc); ++ macro_build (&ep2, lo_insn, lo_pattern, destreg, tempreg, lo_reloc); ++} ++ ++static void ++pcrel_load (int destreg, int tempreg, expressionS *ep, const char *lo_insn, ++ bfd_reloc_code_real_type hi_reloc, ++ bfd_reloc_code_real_type lo_reloc) ++{ ++ pcrel_access (destreg, tempreg, ep, lo_insn, "d,s,j", hi_reloc, lo_reloc); ++} ++ ++static void ++pcrel_store (int srcreg, int tempreg, expressionS *ep, const char *lo_insn, ++ bfd_reloc_code_real_type hi_reloc, ++ bfd_reloc_code_real_type lo_reloc) ++{ ++ pcrel_access (srcreg, tempreg, ep, lo_insn, "t,s,q", hi_reloc, lo_reloc); ++} ++ ++/* PC-relative function call using AUIPC/JALR, relaxed to JAL. */ ++static void ++riscv_call (int destreg, int tempreg, expressionS *ep, ++ bfd_reloc_code_real_type reloc) ++{ ++ macro_build (ep, "auipc", "d,u", tempreg, reloc); ++ macro_build (NULL, "jalr", "d,s", destreg, tempreg); ++} ++ ++/* Load an integer constant into a register. */ ++ ++static void ++load_const (int reg, expressionS *ep) ++{ ++ int shift = RISCV_IMM_BITS; ++ expressionS upper = *ep, lower = *ep; ++ lower.X_add_number = (int32_t) ep->X_add_number << (32-shift) >> (32-shift); ++ upper.X_add_number -= lower.X_add_number; ++ ++ if (ep->X_op != O_constant) ++ { ++ as_bad (_("unsupported large constant")); ++ return; ++ } ++ ++ if (xlen > 32 && !IS_SEXT_32BIT_NUM(ep->X_add_number)) ++ { ++ /* Reduce to a signed 32-bit constant using SLLI and ADDI, which ++ is not optimal but also not so bad. */ ++ while (((upper.X_add_number >> shift) & 1) == 0) ++ shift++; ++ ++ upper.X_add_number = (int64_t) upper.X_add_number >> shift; ++ load_const(reg, &upper); ++ ++ macro_build (NULL, "slli", "d,s,>", reg, reg, shift); ++ if (lower.X_add_number != 0) ++ macro_build (&lower, "addi", "d,s,j", reg, reg, BFD_RELOC_RISCV_LO12_I); ++ } ++ else ++ { ++ int hi_reg = 0; ++ ++ if (upper.X_add_number != 0) ++ { ++ macro_build (ep, "lui", "d,u", reg, BFD_RELOC_RISCV_HI20); ++ hi_reg = reg; ++ } ++ ++ if (lower.X_add_number != 0 || hi_reg == 0) ++ macro_build (ep, ADD32_INSN, "d,s,j", reg, hi_reg, ++ BFD_RELOC_RISCV_LO12_I); ++ } ++} ++ ++/* Expand RISC-V assembly macros into one or more instructions. */ ++static void ++macro (struct riscv_cl_insn *ip, expressionS *imm_expr, ++ bfd_reloc_code_real_type *imm_reloc) ++{ ++ int rd = (ip->insn_opcode >> OP_SH_RD) & OP_MASK_RD; ++ int rs1 = (ip->insn_opcode >> OP_SH_RS1) & OP_MASK_RS1; ++ int rs2 = (ip->insn_opcode >> OP_SH_RS2) & OP_MASK_RS2; ++ int mask = ip->insn_mo->mask; ++ ++ switch (mask) ++ { ++ case M_LI: ++ load_const (rd, imm_expr); ++ break; ++ ++ case M_LA: ++ case M_LLA: ++ /* Load the address of a symbol into a register. */ ++ if (!IS_SEXT_32BIT_NUM (imm_expr->X_add_number)) ++ as_bad(_("offset too large")); ++ ++ if (imm_expr->X_op == O_constant) ++ load_const (rd, imm_expr); ++ else if (riscv_opts.pic && mask == M_LA) /* Global PIC symbol */ ++ pcrel_load (rd, rd, imm_expr, LOAD_ADDRESS_INSN, ++ BFD_RELOC_RISCV_GOT_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ else /* Local PIC symbol, or any non-PIC symbol */ ++ pcrel_load (rd, rd, imm_expr, "addi", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_LA_TLS_GD: ++ pcrel_load (rd, rd, imm_expr, "addi", ++ BFD_RELOC_RISCV_TLS_GD_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_LA_TLS_IE: ++ pcrel_load (rd, rd, imm_expr, LOAD_ADDRESS_INSN, ++ BFD_RELOC_RISCV_TLS_GOT_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_LB: ++ pcrel_load (rd, rd, imm_expr, "lb", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_LBU: ++ pcrel_load (rd, rd, imm_expr, "lbu", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_LH: ++ pcrel_load (rd, rd, imm_expr, "lh", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_LHU: ++ pcrel_load (rd, rd, imm_expr, "lhu", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_LW: ++ pcrel_load (rd, rd, imm_expr, "lw", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_LWU: ++ pcrel_load (rd, rd, imm_expr, "lwu", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_LD: ++ pcrel_load (rd, rd, imm_expr, "ld", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_FLW: ++ pcrel_load (rd, rs1, imm_expr, "flw", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_FLD: ++ pcrel_load (rd, rs1, imm_expr, "fld", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_I); ++ break; ++ ++ case M_SB: ++ pcrel_store (rs2, rs1, imm_expr, "sb", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S); ++ break; ++ ++ case M_SH: ++ pcrel_store (rs2, rs1, imm_expr, "sh", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S); ++ break; ++ ++ case M_SW: ++ pcrel_store (rs2, rs1, imm_expr, "sw", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S); ++ break; ++ ++ case M_SD: ++ pcrel_store (rs2, rs1, imm_expr, "sd", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S); ++ break; ++ ++ case M_FSW: ++ pcrel_store (rs2, rs1, imm_expr, "fsw", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S); ++ break; ++ ++ case M_FSD: ++ pcrel_store (rs2, rs1, imm_expr, "fsd", ++ BFD_RELOC_RISCV_PCREL_HI20, BFD_RELOC_RISCV_PCREL_LO12_S); ++ break; ++ ++ case M_CALL: ++ riscv_call (rd, rs1, imm_expr, *imm_reloc); ++ break; ++ ++ default: ++ as_bad (_("Macro %s not implemented"), ip->insn_mo->name); ++ break; ++ } ++} ++ ++static const struct percent_op_match percent_op_utype[] = ++{ ++ {"%tprel_hi", BFD_RELOC_RISCV_TPREL_HI20}, ++ {"%pcrel_hi", BFD_RELOC_RISCV_PCREL_HI20}, ++ {"%tls_ie_pcrel_hi", BFD_RELOC_RISCV_TLS_GOT_HI20}, ++ {"%tls_gd_pcrel_hi", BFD_RELOC_RISCV_TLS_GD_HI20}, ++ {"%hi", BFD_RELOC_RISCV_HI20}, ++ {0, 0} ++}; ++ ++static const struct percent_op_match percent_op_itype[] = ++{ ++ {"%lo", BFD_RELOC_RISCV_LO12_I}, ++ {"%tprel_lo", BFD_RELOC_RISCV_TPREL_LO12_I}, ++ {"%pcrel_lo", BFD_RELOC_RISCV_PCREL_LO12_I}, ++ {0, 0} ++}; ++ ++static const struct percent_op_match percent_op_stype[] = ++{ ++ {"%lo", BFD_RELOC_RISCV_LO12_S}, ++ {"%tprel_lo", BFD_RELOC_RISCV_TPREL_LO12_S}, ++ {"%pcrel_lo", BFD_RELOC_RISCV_PCREL_LO12_S}, ++ {0, 0} ++}; ++ ++static const struct percent_op_match percent_op_rtype[] = ++{ ++ {"%tprel_add", BFD_RELOC_RISCV_TPREL_ADD}, ++ {0, 0} ++}; ++ ++/* Return true if *STR points to a relocation operator. When returning true, ++ move *STR over the operator and store its relocation code in *RELOC. ++ Leave both *STR and *RELOC alone when returning false. */ ++ ++static bfd_boolean ++parse_relocation (char **str, bfd_reloc_code_real_type *reloc, ++ const struct percent_op_match *percent_op) ++{ ++ for ( ; percent_op->str; percent_op++) ++ if (strncasecmp (*str, percent_op->str, strlen (percent_op->str)) == 0) ++ { ++ int len = strlen (percent_op->str); ++ ++ if (!ISSPACE ((*str)[len]) && (*str)[len] != '(') ++ continue; ++ ++ *str += strlen (percent_op->str); ++ *reloc = percent_op->reloc; ++ ++ /* Check whether the output BFD supports this relocation. ++ If not, issue an error and fall back on something safe. */ ++ if (!bfd_reloc_type_lookup (stdoutput, percent_op->reloc)) ++ { ++ as_bad ("relocation %s isn't supported by the current ABI", ++ percent_op->str); ++ *reloc = BFD_RELOC_UNUSED; ++ } ++ return TRUE; ++ } ++ return FALSE; ++} ++ ++static void ++my_getExpression (expressionS *ep, char *str) ++{ ++ char *save_in; ++ ++ save_in = input_line_pointer; ++ input_line_pointer = str; ++ expression (ep); ++ expr_end = input_line_pointer; ++ input_line_pointer = save_in; ++} ++ ++/* Parse string STR as a 16-bit relocatable operand. Store the ++ expression in *EP and the relocation, if any, in RELOC. ++ Return the number of relocation operators used (0 or 1). ++ ++ On exit, EXPR_END points to the first character after the expression. */ ++ ++static size_t ++my_getSmallExpression (expressionS *ep, bfd_reloc_code_real_type *reloc, ++ char *str, const struct percent_op_match *percent_op) ++{ ++ size_t reloc_index; ++ unsigned crux_depth, str_depth, regno; ++ char *crux; ++ ++ /* First, check for integer registers. */ ++ if (reg_lookup (&str, RCLASS_GPR, ®no)) ++ { ++ ep->X_op = O_register; ++ ep->X_add_number = regno; ++ return 0; ++ } ++ ++ /* Search for the start of the main expression. ++ End the loop with CRUX pointing to the start ++ of the main expression and with CRUX_DEPTH containing the number ++ of open brackets at that point. */ ++ reloc_index = -1; ++ str_depth = 0; ++ do ++ { ++ reloc_index++; ++ crux = str; ++ crux_depth = str_depth; ++ ++ /* Skip over whitespace and brackets, keeping count of the number ++ of brackets. */ ++ while (*str == ' ' || *str == '\t' || *str == '(') ++ if (*str++ == '(') ++ str_depth++; ++ } ++ while (*str == '%' ++ && reloc_index < 1 ++ && parse_relocation (&str, reloc, percent_op)); ++ ++ my_getExpression (ep, crux); ++ str = expr_end; ++ ++ /* Match every open bracket. */ ++ while (crux_depth > 0 && (*str == ')' || *str == ' ' || *str == '\t')) ++ if (*str++ == ')') ++ crux_depth--; ++ ++ if (crux_depth > 0) ++ as_bad ("unclosed '('"); ++ ++ expr_end = str; ++ ++ return reloc_index; ++} ++ ++/* This routine assembles an instruction into its binary format. As a ++ side effect, it sets the global variable imm_reloc to the type of ++ relocation to do if one of the operands is an address expression. */ ++ ++static const char * ++riscv_ip (char *str, struct riscv_cl_insn *ip, expressionS *imm_expr, ++ bfd_reloc_code_real_type *imm_reloc) ++{ ++ char *s; ++ const char *args; ++ char c = 0; ++ struct riscv_opcode *insn, *end = &riscv_opcodes[NUMOPCODES]; ++ char *argsStart; ++ unsigned int regno; ++ char save_c = 0; ++ int argnum; ++ const struct percent_op_match *p; ++ const char *error = "unrecognized opcode"; ++ ++ /* Parse the name of the instruction. Terminate the string if whitespace ++ is found so that hash_find only sees the name part of the string. */ ++ for (s = str; *s != '\0'; ++s) ++ if (ISSPACE (*s)) ++ { ++ save_c = *s; ++ *s++ = '\0'; ++ break; ++ } ++ ++ insn = (struct riscv_opcode *) hash_find (op_hash, str); ++ ++ argsStart = s; ++ for ( ; insn && insn < end && strcmp (insn->name, str) == 0; insn++) ++ { ++ if (!riscv_subset_supports (insn->subset)) ++ continue; ++ ++ create_insn (ip, insn); ++ argnum = 1; ++ ++ imm_expr->X_op = O_absent; ++ *imm_reloc = BFD_RELOC_UNUSED; ++ p = percent_op_itype; ++ ++ for (args = insn->args;; ++args) ++ { ++ s += strspn (s, " \t"); ++ switch (*args) ++ { ++ case '\0': /* end of args */ ++ if (insn->pinfo != INSN_MACRO) ++ { ++ if (!insn->match_func (insn, ip->insn_opcode)) ++ break; ++ if (riscv_insn_length (insn->match) == 2 && !riscv_opts.rvc) ++ break; ++ } ++ if (*s != '\0') ++ break; ++ /* Successful assembly. */ ++ error = NULL; ++ goto out; ++ /* Xcustom */ ++ case '^': ++ { ++ unsigned long max = OP_MASK_RD; ++ my_getExpression (imm_expr, s); ++ check_absolute_expr (ip, imm_expr); ++ switch (*++args) ++ { ++ case 'j': ++ max = OP_MASK_CUSTOM_IMM; ++ INSERT_OPERAND (CUSTOM_IMM, *ip, imm_expr->X_add_number); ++ break; ++ case 'd': ++ INSERT_OPERAND (RD, *ip, imm_expr->X_add_number); ++ break; ++ case 's': ++ INSERT_OPERAND (RS1, *ip, imm_expr->X_add_number); ++ break; ++ case 't': ++ INSERT_OPERAND (RS2, *ip, imm_expr->X_add_number); ++ break; ++ } ++ imm_expr->X_op = O_absent; ++ s = expr_end; ++ if ((unsigned long) imm_expr->X_add_number > max) ++ as_warn ("Bad custom immediate (%lu), must be at most %lu", ++ (unsigned long)imm_expr->X_add_number, max); ++ continue; ++ } ++ ++ case 'C': /* RVC */ ++ switch (*++args) ++ { ++ case 's': /* RS1 x8-x15 */ ++ if (!reg_lookup (&s, RCLASS_GPR, ®no) ++ || !(regno >= 8 && regno <= 15)) ++ break; ++ INSERT_OPERAND (CRS1S, *ip, regno % 8); ++ continue; ++ case 'w': /* RS1 x8-x15, constrained to equal RD x8-x15 */ ++ if (!reg_lookup (&s, RCLASS_GPR, ®no) ++ || EXTRACT_OPERAND (CRS1S, ip->insn_opcode) + 8 != regno) ++ break; ++ continue; ++ case 't': /* RS2 x8-x15 */ ++ if (!reg_lookup (&s, RCLASS_GPR, ®no) ++ || !(regno >= 8 && regno <= 15)) ++ break; ++ INSERT_OPERAND (CRS2S, *ip, regno % 8); ++ continue; ++ case 'x': /* RS2 x8-x15, constrained to equal RD x8-x15 */ ++ if (!reg_lookup (&s, RCLASS_GPR, ®no) ++ || EXTRACT_OPERAND (CRS2S, ip->insn_opcode) + 8 != regno) ++ break; ++ continue; ++ case 'U': /* RS1, constrained to equal RD */ ++ if (!reg_lookup (&s, RCLASS_GPR, ®no) ++ || EXTRACT_OPERAND (RD, ip->insn_opcode) != regno) ++ break; ++ continue; ++ case 'V': /* RS2 */ ++ if (!reg_lookup (&s, RCLASS_GPR, ®no)) ++ break; ++ INSERT_OPERAND (CRS2, *ip, regno); ++ continue; ++ case 'c': /* RS1, constrained to equal sp */ ++ if (!reg_lookup (&s, RCLASS_GPR, ®no) ++ || regno != X_SP) ++ break; ++ continue; ++ case '>': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || imm_expr->X_add_number <= 0 ++ || imm_expr->X_add_number >= 64) ++ break; ++ ip->insn_opcode |= ENCODE_RVC_IMM (imm_expr->X_add_number); ++rvc_imm_done: ++ s = expr_end; ++ imm_expr->X_op = O_absent; ++ continue; ++ case '<': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || !VALID_RVC_IMM (imm_expr->X_add_number) ++ || imm_expr->X_add_number <= 0 ++ || imm_expr->X_add_number >= 32) ++ break; ++ ip->insn_opcode |= ENCODE_RVC_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'i': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || imm_expr->X_add_number == 0 ++ || !VALID_RVC_SIMM3 (imm_expr->X_add_number)) ++ break; ++ ip->insn_opcode |= ENCODE_RVC_SIMM3 (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'j': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || imm_expr->X_add_number == 0 ++ || !VALID_RVC_IMM (imm_expr->X_add_number)) ++ break; ++ ip->insn_opcode |= ENCODE_RVC_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'k': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || !VALID_RVC_LW_IMM (imm_expr->X_add_number)) ++ break; ++ ip->insn_opcode |= ENCODE_RVC_LW_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'l': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || !VALID_RVC_LD_IMM (imm_expr->X_add_number)) ++ break; ++ ip->insn_opcode |= ENCODE_RVC_LD_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'm': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || !VALID_RVC_LWSP_IMM (imm_expr->X_add_number)) ++ break; ++ ip->insn_opcode |= ++ ENCODE_RVC_LWSP_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'n': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || !VALID_RVC_LDSP_IMM (imm_expr->X_add_number)) ++ break; ++ ip->insn_opcode |= ++ ENCODE_RVC_LDSP_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'K': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || !VALID_RVC_ADDI4SPN_IMM (imm_expr->X_add_number) ++ || imm_expr->X_add_number == 0) ++ break; ++ ip->insn_opcode |= ++ ENCODE_RVC_ADDI4SPN_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'L': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || !VALID_RVC_ADDI16SP_IMM (imm_expr->X_add_number) ++ || imm_expr->X_add_number == 0) ++ break; ++ ip->insn_opcode |= ++ ENCODE_RVC_ADDI16SP_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'M': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || !VALID_RVC_SWSP_IMM (imm_expr->X_add_number)) ++ break; ++ ip->insn_opcode |= ++ ENCODE_RVC_SWSP_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'N': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || imm_expr->X_op != O_constant ++ || !VALID_RVC_SDSP_IMM (imm_expr->X_add_number)) ++ break; ++ ip->insn_opcode |= ++ ENCODE_RVC_SDSP_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'u': ++ p = percent_op_utype; ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p)) ++ break; ++rvc_lui: ++ if (imm_expr->X_op != O_constant ++ || imm_expr->X_add_number <= 0 ++ || imm_expr->X_add_number >= RISCV_BIGIMM_REACH ++ || (imm_expr->X_add_number >= RISCV_RVC_IMM_REACH / 2 ++ && imm_expr->X_add_number < ++ RISCV_BIGIMM_REACH - RISCV_RVC_IMM_REACH / 2)) ++ break; ++ ip->insn_opcode |= ENCODE_RVC_IMM (imm_expr->X_add_number); ++ goto rvc_imm_done; ++ case 'v': ++ if (my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ || (imm_expr->X_add_number & (RISCV_IMM_REACH - 1)) ++ || (int32_t)imm_expr->X_add_number ++ != imm_expr->X_add_number) ++ break; ++ imm_expr->X_add_number = ++ ((uint32_t) imm_expr->X_add_number) >> RISCV_IMM_BITS; ++ goto rvc_lui; ++ case 'p': ++ goto branch; ++ case 'a': ++ goto jump; ++ case 'D': /* floating-point RS2 x8-x15 */ ++ if (!reg_lookup (&s, RCLASS_FPR, ®no) ++ || !(regno >= 8 && regno <= 15)) ++ break; ++ INSERT_OPERAND (CRS2S, *ip, regno % 8); ++ continue; ++ case 'T': /* floating-point RS2 */ ++ if (!reg_lookup (&s, RCLASS_FPR, ®no)) ++ break; ++ INSERT_OPERAND (CRS2, *ip, regno); ++ continue; ++ default: ++ as_bad (_("bad RVC field specifier 'C%c'\n"), *args); ++ } ++ break; ++ ++ case ',': ++ ++argnum; ++ if (*s++ == *args) ++ continue; ++ s--; ++ break; ++ ++ case '(': ++ case ')': ++ case '[': ++ case ']': ++ if (*s++ == *args) ++ continue; ++ break; ++ ++ case '<': /* shift amount, 0 - 31 */ ++ my_getExpression (imm_expr, s); ++ check_absolute_expr (ip, imm_expr); ++ if ((unsigned long) imm_expr->X_add_number > 31) ++ as_warn (_("Improper shift amount (%lu)"), ++ (unsigned long) imm_expr->X_add_number); ++ INSERT_OPERAND (SHAMTW, *ip, imm_expr->X_add_number); ++ imm_expr->X_op = O_absent; ++ s = expr_end; ++ continue; ++ ++ case '>': /* shift amount, 0 - (XLEN-1) */ ++ my_getExpression (imm_expr, s); ++ check_absolute_expr (ip, imm_expr); ++ if ((unsigned long) imm_expr->X_add_number >= xlen) ++ as_warn (_("Improper shift amount (%lu)"), ++ (unsigned long) imm_expr->X_add_number); ++ INSERT_OPERAND (SHAMT, *ip, imm_expr->X_add_number); ++ imm_expr->X_op = O_absent; ++ s = expr_end; ++ continue; ++ ++ case 'Z': /* CSRRxI immediate */ ++ my_getExpression (imm_expr, s); ++ check_absolute_expr (ip, imm_expr); ++ if ((unsigned long) imm_expr->X_add_number > 31) ++ as_warn (_("Improper CSRxI immediate (%lu)"), ++ (unsigned long) imm_expr->X_add_number); ++ INSERT_OPERAND (RS1, *ip, imm_expr->X_add_number); ++ imm_expr->X_op = O_absent; ++ s = expr_end; ++ continue; ++ ++ case 'E': /* Control register. */ ++ if (reg_lookup (&s, RCLASS_CSR, ®no)) ++ INSERT_OPERAND (CSR, *ip, regno); ++ else ++ { ++ my_getExpression (imm_expr, s); ++ check_absolute_expr (ip, imm_expr); ++ if ((unsigned long) imm_expr->X_add_number > 0xfff) ++ as_warn(_("Improper CSR address (%lu)"), ++ (unsigned long) imm_expr->X_add_number); ++ INSERT_OPERAND (CSR, *ip, imm_expr->X_add_number); ++ imm_expr->X_op = O_absent; ++ s = expr_end; ++ } ++ continue; ++ ++ case 'm': /* rounding mode */ ++ if (arg_lookup (&s, riscv_rm, ARRAY_SIZE (riscv_rm), ®no)) ++ { ++ INSERT_OPERAND (RM, *ip, regno); ++ continue; ++ } ++ break; ++ ++ case 'P': ++ case 'Q': /* fence predecessor/successor */ ++ if (arg_lookup (&s, riscv_pred_succ, ARRAY_SIZE (riscv_pred_succ), ++ ®no)) ++ { ++ if (*args == 'P') ++ INSERT_OPERAND (PRED, *ip, regno); ++ else ++ INSERT_OPERAND (SUCC, *ip, regno); ++ continue; ++ } ++ break; ++ ++ case 'd': /* destination register */ ++ case 's': /* source register */ ++ case 't': /* target register */ ++ if (reg_lookup (&s, RCLASS_GPR, ®no)) ++ { ++ c = *args; ++ if (*s == ' ') ++ ++s; ++ ++ /* Now that we have assembled one operand, we use the args ++ string to figure out where it goes in the instruction. */ ++ switch (c) ++ { ++ case 's': ++ INSERT_OPERAND (RS1, *ip, regno); ++ break; ++ case 'd': ++ INSERT_OPERAND (RD, *ip, regno); ++ break; ++ case 't': ++ INSERT_OPERAND (RS2, *ip, regno); ++ break; ++ } ++ continue; ++ } ++ break; ++ ++ case 'D': /* floating point rd */ ++ case 'S': /* floating point rs1 */ ++ case 'T': /* floating point rs2 */ ++ case 'U': /* floating point rs1 and rs2 */ ++ case 'R': /* floating point rs3 */ ++ if (reg_lookup (&s, RCLASS_FPR, ®no)) ++ { ++ c = *args; ++ if (*s == ' ') ++ ++s; ++ switch (c) ++ { ++ case 'D': ++ INSERT_OPERAND (RD, *ip, regno); ++ break; ++ case 'S': ++ INSERT_OPERAND (RS1, *ip, regno); ++ break; ++ case 'U': ++ INSERT_OPERAND (RS1, *ip, regno); ++ /* fallthru */ ++ case 'T': ++ INSERT_OPERAND (RS2, *ip, regno); ++ break; ++ case 'R': ++ INSERT_OPERAND (RS3, *ip, regno); ++ break; ++ } ++ continue; ++ } ++ ++ break; ++ ++ case 'I': ++ my_getExpression (imm_expr, s); ++ if (imm_expr->X_op != O_big ++ && imm_expr->X_op != O_constant) ++ break; ++ normalize_constant_expr (imm_expr); ++ s = expr_end; ++ continue; ++ ++ case 'A': ++ my_getExpression (imm_expr, s); ++ normalize_constant_expr (imm_expr); ++ /* The 'A' format specifier must be a symbol. */ ++ if (imm_expr->X_op != O_symbol) ++ break; ++ *imm_reloc = BFD_RELOC_32; ++ s = expr_end; ++ continue; ++ ++ case 'j': /* sign-extended immediate */ ++ *imm_reloc = BFD_RELOC_RISCV_LO12_I; ++ p = percent_op_itype; ++ goto alu_op; ++ case 'q': /* store displacement */ ++ p = percent_op_stype; ++ *imm_reloc = BFD_RELOC_RISCV_LO12_S; ++ goto load_store; ++ case 'o': /* load displacement */ ++ p = percent_op_itype; ++ *imm_reloc = BFD_RELOC_RISCV_LO12_I; ++ goto load_store; ++ case '0': /* AMO "displacement," which must be zero */ ++ p = percent_op_rtype; ++ *imm_reloc = BFD_RELOC_UNUSED; ++load_store: ++ /* Check whether there is only a single bracketed expression ++ left. If so, it must be the base register and the ++ constant must be zero. */ ++ imm_expr->X_op = O_constant; ++ imm_expr->X_add_number = 0; ++ if (*s == '(' && strchr (s + 1, '(') == 0) ++ continue; ++alu_op: ++ /* If this value won't fit into a 16 bit offset, then go ++ find a macro that will generate the 32 bit offset ++ code pattern. */ ++ if (!my_getSmallExpression (imm_expr, imm_reloc, s, p)) ++ { ++ normalize_constant_expr (imm_expr); ++ if (imm_expr->X_op != O_constant ++ || (*args == '0' && imm_expr->X_add_number != 0) ++ || imm_expr->X_add_number >= (signed)RISCV_IMM_REACH/2 ++ || imm_expr->X_add_number < -(signed)RISCV_IMM_REACH/2) ++ break; ++ } ++ ++ s = expr_end; ++ continue; ++ ++ case 'p': /* pc relative offset */ ++branch: ++ *imm_reloc = BFD_RELOC_12_PCREL; ++ my_getExpression (imm_expr, s); ++ s = expr_end; ++ continue; ++ ++ case 'u': /* upper 20 bits */ ++ p = percent_op_utype; ++ if (!my_getSmallExpression (imm_expr, imm_reloc, s, p) ++ && imm_expr->X_op == O_constant) ++ { ++ if (imm_expr->X_add_number < 0 ++ || imm_expr->X_add_number >= (signed)RISCV_BIGIMM_REACH) ++ as_bad (_("lui expression not in range 0..1048575")); ++ ++ *imm_reloc = BFD_RELOC_RISCV_HI20; ++ imm_expr->X_add_number <<= RISCV_IMM_BITS; ++ } ++ s = expr_end; ++ continue; ++ ++ case 'a': /* 26 bit address */ ++jump: ++ my_getExpression (imm_expr, s); ++ s = expr_end; ++ *imm_reloc = BFD_RELOC_RISCV_JMP; ++ continue; ++ ++ case 'c': ++ my_getExpression (imm_expr, s); ++ s = expr_end; ++ *imm_reloc = BFD_RELOC_RISCV_CALL; ++ if (*s == '@') ++ *imm_reloc = BFD_RELOC_RISCV_CALL_PLT, s++; ++ continue; ++ ++ default: ++ as_fatal (_("internal error: bad argument type %c"), *args); ++ } ++ break; ++ } ++ s = argsStart; ++ error = _("illegal operands"); ++ } ++ ++out: ++ /* Restore the character we might have clobbered above. */ ++ if (save_c) ++ *(argsStart - 1) = save_c; ++ ++ return error; ++} ++ ++void ++md_assemble (char *str) ++{ ++ struct riscv_cl_insn insn; ++ expressionS imm_expr; ++ bfd_reloc_code_real_type imm_reloc = BFD_RELOC_UNUSED; ++ ++ const char *error = riscv_ip (str, &insn, &imm_expr, &imm_reloc); ++ ++ if (error) ++ { ++ as_bad ("%s `%s'", error, str); ++ return; ++ } ++ ++ if (insn.insn_mo->pinfo == INSN_MACRO) ++ macro (&insn, &imm_expr, &imm_reloc); ++ else ++ append_insn (&insn, &imm_expr, imm_reloc); ++} ++ ++char * ++md_atof (int type, char *litP, int *sizeP) ++{ ++ return ieee_md_atof (type, litP, sizeP, TARGET_BYTES_BIG_ENDIAN); ++} ++ ++void ++md_number_to_chars (char *buf, valueT val, int n) ++{ ++ number_to_chars_littleendian (buf, val, n); ++} ++ ++const char *md_shortopts = "O::g::G:"; ++ ++enum options ++ { ++ OPTION_M32 = OPTION_MD_BASE, ++ OPTION_M64, ++ OPTION_MARCH, ++ OPTION_PIC, ++ OPTION_NO_PIC, ++ OPTION_MSOFT_FLOAT, ++ OPTION_MHARD_FLOAT, ++ OPTION_MRVC, ++ OPTION_MNO_RVC, ++ OPTION_END_OF_ENUM ++ }; ++ ++struct option md_longopts[] = ++{ ++ {"m32", no_argument, NULL, OPTION_M32}, ++ {"m64", no_argument, NULL, OPTION_M64}, ++ {"march", required_argument, NULL, OPTION_MARCH}, ++ {"fPIC", no_argument, NULL, OPTION_PIC}, ++ {"fpic", no_argument, NULL, OPTION_PIC}, ++ {"fno-pic", no_argument, NULL, OPTION_NO_PIC}, ++ {"mrvc", no_argument, NULL, OPTION_MRVC}, ++ {"mno-rvc", no_argument, NULL, OPTION_MNO_RVC}, ++ {"msoft-float", no_argument, NULL, OPTION_MSOFT_FLOAT}, ++ {"mhard-float", no_argument, NULL, OPTION_MHARD_FLOAT}, ++ ++ {NULL, no_argument, NULL, 0} ++}; ++size_t md_longopts_size = sizeof (md_longopts); ++ ++enum float_mode { ++ FLOAT_MODE_DEFAULT, ++ FLOAT_MODE_SOFT, ++ FLOAT_MODE_HARD ++}; ++static enum float_mode marg_float_mode = FLOAT_MODE_DEFAULT; ++ ++int ++md_parse_option (int c, char *arg) ++{ ++ switch (c) ++ { ++ case OPTION_MRVC: ++ riscv_set_rvc (TRUE); ++ break; ++ ++ case OPTION_MNO_RVC: ++ riscv_set_rvc (FALSE); ++ break; ++ ++ case OPTION_MSOFT_FLOAT: ++ marg_float_mode = FLOAT_MODE_SOFT; ++ break; ++ ++ case OPTION_MHARD_FLOAT: ++ marg_float_mode = FLOAT_MODE_HARD; ++ break; ++ ++ case OPTION_M32: ++ xlen = 32; ++ break; ++ ++ case OPTION_M64: ++ xlen = 64; ++ break; ++ ++ case OPTION_MARCH: ++ riscv_set_arch (arg); ++ break; ++ ++ case OPTION_NO_PIC: ++ riscv_opts.pic = FALSE; ++ break; ++ ++ case OPTION_PIC: ++ riscv_opts.pic = TRUE; ++ break; ++ ++ default: ++ return 0; ++ } ++ ++ return 1; ++} ++ ++void ++riscv_after_parse_args (void) ++{ ++ struct riscv_subset *subset; ++ enum float_mode isa_float_mode, elf_float_mode; ++ ++ if (riscv_subsets == NULL) ++ riscv_set_arch ("RVIMAFDXcustom"); ++ ++ if (xlen == 0) ++ { ++ if (strcmp (default_arch, "riscv32") == 0) ++ xlen = 32; ++ else if (strcmp (default_arch, "riscv64") == 0) ++ xlen = 64; ++ else ++ as_bad ("unknown default architecture `%s'", default_arch); ++ } ++ ++ isa_float_mode = FLOAT_MODE_SOFT; ++ for (subset = riscv_subsets; subset != NULL; subset = subset->next) ++ { ++ if (strcasecmp(subset->name, "F") == 0) ++ isa_float_mode = FLOAT_MODE_HARD; ++ if (strcasecmp(subset->name, "D") == 0) ++ isa_float_mode = FLOAT_MODE_HARD; ++ } ++ ++ if (marg_float_mode == FLOAT_MODE_HARD && isa_float_mode == FLOAT_MODE_SOFT) ++ as_bad ("Architecture doesn't allow hardfloat ABI"); ++ ++ elf_float_mode = (marg_float_mode == FLOAT_MODE_DEFAULT) ? isa_float_mode ++ : marg_float_mode; ++ ++ switch (elf_float_mode) { ++ case FLOAT_MODE_DEFAULT: ++ as_bad("a specific float mode must be specified for an ELF"); ++ break; ++ ++ case FLOAT_MODE_SOFT: ++ elf_flags |= EF_RISCV_SOFT_FLOAT; ++ break; ++ ++ case FLOAT_MODE_HARD: ++ elf_flags &= ~EF_RISCV_SOFT_FLOAT; ++ break; ++ } ++} ++ ++void ++riscv_init_after_args (void) ++{ ++ /* initialize opcodes */ ++ bfd_riscv_num_opcodes = bfd_riscv_num_builtin_opcodes; ++ riscv_opcodes = (struct riscv_opcode *) riscv_builtin_opcodes; ++} ++ ++long ++md_pcrel_from (fixS *fixP) ++{ ++ return fixP->fx_where + fixP->fx_frag->fr_address; ++} ++ ++/* Apply a fixup to the object file. */ ++ ++void ++md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) ++{ ++ bfd_byte *buf = (bfd_byte *) (fixP->fx_frag->fr_literal + fixP->fx_where); ++ ++ /* Remember value for tc_gen_reloc. */ ++ fixP->fx_addnumber = *valP; ++ ++ switch (fixP->fx_r_type) ++ { ++ case BFD_RELOC_RISCV_TLS_GOT_HI20: ++ case BFD_RELOC_RISCV_TLS_GD_HI20: ++ case BFD_RELOC_RISCV_TLS_DTPREL32: ++ case BFD_RELOC_RISCV_TLS_DTPREL64: ++ case BFD_RELOC_RISCV_TPREL_HI20: ++ case BFD_RELOC_RISCV_TPREL_LO12_I: ++ case BFD_RELOC_RISCV_TPREL_LO12_S: ++ case BFD_RELOC_RISCV_TPREL_ADD: ++ S_SET_THREAD_LOCAL (fixP->fx_addsy); ++ /* fall through */ ++ ++ case BFD_RELOC_RISCV_GOT_HI20: ++ case BFD_RELOC_RISCV_PCREL_HI20: ++ case BFD_RELOC_RISCV_HI20: ++ case BFD_RELOC_RISCV_LO12_I: ++ case BFD_RELOC_RISCV_LO12_S: ++ case BFD_RELOC_RISCV_ADD8: ++ case BFD_RELOC_RISCV_ADD16: ++ case BFD_RELOC_RISCV_ADD32: ++ case BFD_RELOC_RISCV_ADD64: ++ case BFD_RELOC_RISCV_SUB8: ++ case BFD_RELOC_RISCV_SUB16: ++ case BFD_RELOC_RISCV_SUB32: ++ case BFD_RELOC_RISCV_SUB64: ++ gas_assert (fixP->fx_addsy != NULL); ++ /* Nothing needed to do. The value comes from the reloc entry. */ ++ break; ++ ++ case BFD_RELOC_64: ++ case BFD_RELOC_32: ++ case BFD_RELOC_16: ++ case BFD_RELOC_8: ++ if (fixP->fx_addsy && fixP->fx_subsy) ++ { ++ fixP->fx_next = xmemdup (fixP, sizeof (*fixP), sizeof (*fixP)); ++ fixP->fx_next->fx_addsy = fixP->fx_subsy; ++ fixP->fx_next->fx_subsy = NULL; ++ fixP->fx_next->fx_offset = 0; ++ fixP->fx_subsy = NULL; ++ ++ if (fixP->fx_r_type == BFD_RELOC_64) ++ { ++ fixP->fx_r_type = BFD_RELOC_RISCV_ADD64; ++ fixP->fx_next->fx_r_type = BFD_RELOC_RISCV_SUB64; ++ } ++ else if (fixP->fx_r_type == BFD_RELOC_32) ++ { ++ fixP->fx_r_type = BFD_RELOC_RISCV_ADD32; ++ fixP->fx_next->fx_r_type = BFD_RELOC_RISCV_SUB32; ++ } ++ else if (fixP->fx_r_type == BFD_RELOC_16) ++ { ++ fixP->fx_r_type = BFD_RELOC_RISCV_ADD16; ++ fixP->fx_next->fx_r_type = BFD_RELOC_RISCV_SUB16; ++ } ++ else ++ { ++ fixP->fx_r_type = BFD_RELOC_RISCV_ADD8; ++ fixP->fx_next->fx_r_type = BFD_RELOC_RISCV_SUB8; ++ } ++ } ++ /* fall through */ ++ ++ case BFD_RELOC_RVA: ++ /* If we are deleting this reloc entry, we must fill in the ++ value now. This can happen if we have a .word which is not ++ resolved when it appears but is later defined. */ ++ if (fixP->fx_addsy == NULL) ++ { ++ gas_assert (fixP->fx_size <= sizeof (valueT)); ++ md_number_to_chars ((char *) buf, *valP, fixP->fx_size); ++ fixP->fx_done = 1; ++ } ++ break; ++ ++ case BFD_RELOC_RISCV_JMP: ++ if (fixP->fx_addsy) ++ { ++ /* Fill in a tentative value to improve objdump readability. */ ++ bfd_vma target = S_GET_VALUE (fixP->fx_addsy) + *valP; ++ bfd_vma delta = target - md_pcrel_from (fixP); ++ bfd_putl32 (bfd_getl32 (buf) | ENCODE_UJTYPE_IMM (delta), buf); ++ } ++ break; ++ ++ case BFD_RELOC_12_PCREL: ++ if (fixP->fx_addsy) ++ { ++ /* Fill in a tentative value to improve objdump readability. */ ++ bfd_vma target = S_GET_VALUE (fixP->fx_addsy) + *valP; ++ bfd_vma delta = target - md_pcrel_from (fixP); ++ bfd_putl32 (bfd_getl32 (buf) | ENCODE_SBTYPE_IMM (delta), buf); ++ } ++ break; ++ ++ case BFD_RELOC_RISCV_RVC_BRANCH: ++ if (fixP->fx_addsy) ++ { ++ /* Fill in a tentative value to improve objdump readability. */ ++ bfd_vma target = S_GET_VALUE (fixP->fx_addsy) + *valP; ++ bfd_vma delta = target - md_pcrel_from (fixP); ++ bfd_putl16 (bfd_getl16 (buf) | ENCODE_RVC_B_IMM (delta), buf); ++ } ++ break; ++ ++ case BFD_RELOC_RISCV_RVC_JUMP: ++ if (fixP->fx_addsy) ++ { ++ /* Fill in a tentative value to improve objdump readability. */ ++ bfd_vma target = S_GET_VALUE (fixP->fx_addsy) + *valP; ++ bfd_vma delta = target - md_pcrel_from (fixP); ++ bfd_putl16 (bfd_getl16 (buf) | ENCODE_RVC_J_IMM (delta), buf); ++ } ++ break; ++ ++ case BFD_RELOC_RISCV_PCREL_LO12_S: ++ case BFD_RELOC_RISCV_PCREL_LO12_I: ++ case BFD_RELOC_RISCV_CALL: ++ case BFD_RELOC_RISCV_CALL_PLT: ++ case BFD_RELOC_RISCV_ALIGN: ++ break; ++ ++ default: ++ /* We ignore generic BFD relocations we don't know about. */ ++ if (bfd_reloc_type_lookup (stdoutput, fixP->fx_r_type) != NULL) ++ as_fatal (_("internal error: bad relocation #%d"), fixP->fx_r_type); ++ } ++} ++ ++/* This structure is used to hold a stack of .option values. */ ++ ++struct riscv_option_stack ++{ ++ struct riscv_option_stack *next; ++ struct riscv_set_options options; ++}; ++ ++static struct riscv_option_stack *riscv_opts_stack; ++ ++/* Handle the .option pseudo-op. */ ++ ++static void ++s_riscv_option (int x ATTRIBUTE_UNUSED) ++{ ++ char *name = input_line_pointer, ch; ++ ++ while (!is_end_of_line[(unsigned char) *input_line_pointer]) ++ ++input_line_pointer; ++ ch = *input_line_pointer; ++ *input_line_pointer = '\0'; ++ ++ if (strcmp (name, "rvc") == 0) ++ riscv_set_rvc (TRUE); ++ else if (strcmp (name, "norvc") == 0) ++ riscv_set_rvc (FALSE); ++ else if (strcmp (name, "push") == 0) ++ { ++ struct riscv_option_stack *s; ++ ++ s = (struct riscv_option_stack *) xmalloc (sizeof *s); ++ s->next = riscv_opts_stack; ++ s->options = riscv_opts; ++ riscv_opts_stack = s; ++ } ++ else if (strcmp (name, "pop") == 0) ++ { ++ struct riscv_option_stack *s; ++ ++ s = riscv_opts_stack; ++ if (s == NULL) ++ as_bad (_(".option pop with no .option push")); ++ else ++ { ++ riscv_opts = s->options; ++ riscv_opts_stack = s->next; ++ free (s); ++ } ++ } ++ else ++ { ++ as_warn (_("Unrecognized .option directive: %s\n"), name); ++ } ++ *input_line_pointer = ch; ++ demand_empty_rest_of_line (); ++} ++ ++/* Handle the .dtprelword and .dtpreldword pseudo-ops. They generate ++ a 32-bit or 64-bit DTP-relative relocation (BYTES says which) for ++ use in DWARF debug information. */ ++ ++static void ++s_dtprel (int bytes) ++{ ++ expressionS ex; ++ char *p; ++ ++ expression (&ex); ++ ++ if (ex.X_op != O_symbol) ++ { ++ as_bad (_("Unsupported use of %s"), (bytes == 8 ++ ? ".dtpreldword" ++ : ".dtprelword")); ++ ignore_rest_of_line (); ++ } ++ ++ p = frag_more (bytes); ++ md_number_to_chars (p, 0, bytes); ++ fix_new_exp (frag_now, p - frag_now->fr_literal, bytes, &ex, FALSE, ++ (bytes == 8 ++ ? BFD_RELOC_RISCV_TLS_DTPREL64 ++ : BFD_RELOC_RISCV_TLS_DTPREL32)); ++ ++ demand_empty_rest_of_line (); ++} ++ ++/* Handle the .bss pseudo-op. */ ++ ++static void ++s_bss (int ignore ATTRIBUTE_UNUSED) ++{ ++ subseg_set (bss_section, 0); ++ demand_empty_rest_of_line (); ++} ++ ++/* Align to a given power of two. */ ++ ++static void ++s_align (int bytes_p) ++{ ++ int fill_value = 0, fill_value_specified = 0; ++ int min_text_alignment = riscv_opts.rvc ? 2 : 4; ++ int alignment = get_absolute_expression(), bytes; ++ ++ if (bytes_p) ++ { ++ bytes = alignment; ++ if (bytes < 1 || (bytes & (bytes-1)) != 0) ++ as_bad (_("alignment not a power of 2: %d"), bytes); ++ for (alignment = 0; bytes > 1; bytes >>= 1) ++ alignment++; ++ } ++ ++ bytes = 1 << alignment; ++ ++ if (alignment < 0 || alignment > 31) ++ as_bad (_("unsatisfiable alignment: %d"), alignment); ++ ++ if (*input_line_pointer == ',') ++ { ++ ++input_line_pointer; ++ fill_value = get_absolute_expression (); ++ fill_value_specified = 1; ++ } ++ ++ if (!fill_value_specified ++ && subseg_text_p (now_seg) ++ && bytes > min_text_alignment) ++ { ++ /* Emit the worst-case NOP string. The linker will delete any ++ unnecessary NOPs. This allows us to support code alignment ++ in spite of linker relaxations. */ ++ bfd_vma i, worst_case_bytes = bytes - min_text_alignment; ++ char *nops = frag_more (worst_case_bytes); ++ for (i = 0; i < worst_case_bytes - 2; i += 4) ++ md_number_to_chars (nops + i, RISCV_NOP, 4); ++ if (i < worst_case_bytes) ++ md_number_to_chars (nops + i, RVC_NOP, 2); ++ ++ expressionS ex; ++ ex.X_op = O_constant; ++ ex.X_add_number = worst_case_bytes; ++ ++ fix_new_exp (frag_now, nops - frag_now->fr_literal, 0, ++ &ex, FALSE, BFD_RELOC_RISCV_ALIGN); ++ } ++ else if (alignment) ++ frag_align (alignment, fill_value, 0); ++ ++ record_alignment (now_seg, alignment); ++ ++ demand_empty_rest_of_line (); ++} ++ ++int ++md_estimate_size_before_relax (fragS *fragp, asection *segtype) ++{ ++ return (fragp->fr_var = relaxed_branch_length (fragp, segtype, FALSE)); ++} ++ ++/* Translate internal representation of relocation info to BFD target ++ format. */ ++ ++arelent * ++tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp) ++{ ++ arelent *reloc = (arelent *) xmalloc (sizeof (arelent)); ++ ++ reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); ++ *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); ++ reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; ++ reloc->addend = fixp->fx_addnumber; ++ ++ reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); ++ if (reloc->howto == NULL) ++ { ++ if ((fixp->fx_r_type == BFD_RELOC_16 || fixp->fx_r_type == BFD_RELOC_8) ++ && fixp->fx_addsy != NULL && fixp->fx_subsy != NULL) ++ { ++ /* We don't have R_RISCV_8/16, but for this special case, ++ we can use R_RISCV_ADD8/16 with R_RISCV_SUB8/16. */ ++ return reloc; ++ } ++ ++ as_bad_where (fixp->fx_file, fixp->fx_line, ++ _("cannot represent %s relocation in object file"), ++ bfd_get_reloc_code_name (fixp->fx_r_type)); ++ return NULL; ++ } ++ ++ return reloc; ++} ++ ++int ++riscv_relax_frag (asection *sec, fragS *fragp, long stretch ATTRIBUTE_UNUSED) ++{ ++ if (RELAX_BRANCH_P (fragp->fr_subtype)) ++ { ++ offsetT old_var = fragp->fr_var; ++ fragp->fr_var = relaxed_branch_length (fragp, sec, TRUE); ++ return fragp->fr_var - old_var; ++ } ++ ++ return 0; ++} ++ ++/* Expand far branches to multi-instruction sequences. */ ++ ++static void ++md_convert_frag_branch (fragS *fragp) ++{ ++ bfd_byte *buf; ++ expressionS exp; ++ fixS *fixp; ++ insn_t insn; ++ int rs1, reloc; ++ ++ buf = (bfd_byte *)fragp->fr_literal + fragp->fr_fix; ++ ++ exp.X_op = O_symbol; ++ exp.X_add_symbol = fragp->fr_symbol; ++ exp.X_add_number = fragp->fr_offset; ++ ++ gas_assert (fragp->fr_var == RELAX_BRANCH_LENGTH (fragp->fr_subtype)); ++ ++ if (RELAX_BRANCH_RVC (fragp->fr_subtype)) ++ { ++ switch (RELAX_BRANCH_LENGTH (fragp->fr_subtype)) ++ { ++ case 8: ++ case 4: ++ /* Expand the RVC branch into a RISC-V one. */ ++ insn = bfd_getl16 (buf); ++ rs1 = 8 + ((insn >> OP_SH_CRS1S) & OP_MASK_CRS1S); ++ if ((insn & MASK_C_J) == MATCH_C_J) ++ insn = MATCH_JAL; ++ else if ((insn & MASK_C_JAL) == MATCH_C_JAL) ++ insn = MATCH_JAL | (X_RA << OP_SH_RD); ++ else if ((insn & MASK_C_BEQZ) == MATCH_C_BEQZ) ++ insn = MATCH_BEQ | (rs1 << OP_SH_RS1); ++ else if ((insn & MASK_C_BNEZ) == MATCH_C_BNEZ) ++ insn = MATCH_BNE | (rs1 << OP_SH_RS1); ++ else ++ abort (); ++ bfd_putl32 (insn, buf); ++ break; ++ ++ case 6: ++ /* Invert the branch condition. Branch over the jump. */ ++ insn = bfd_getl16 (buf); ++ insn ^= MATCH_C_BEQZ ^ MATCH_C_BNEZ; ++ insn |= ENCODE_RVC_B_IMM (6); ++ bfd_putl16 (insn, buf); ++ buf += 2; ++ goto jump; ++ ++ case 2: ++ /* Just keep the RVC branch. */ ++ reloc = RELAX_BRANCH_UNCOND (fragp->fr_subtype) ++ ? BFD_RELOC_RISCV_RVC_JUMP : BFD_RELOC_RISCV_RVC_BRANCH; ++ fixp = fix_new_exp (fragp, buf - (bfd_byte *)fragp->fr_literal, ++ 2, &exp, FALSE, reloc); ++ buf += 2; ++ goto done; ++ ++ default: ++ abort(); ++ } ++ } ++ ++ switch (RELAX_BRANCH_LENGTH (fragp->fr_subtype)) ++ { ++ case 8: ++ gas_assert (!RELAX_BRANCH_UNCOND (fragp->fr_subtype)); ++ ++ /* Invert the branch condition. Branch over the jump. */ ++ insn = bfd_getl32 (buf); ++ insn ^= MATCH_BEQ ^ MATCH_BNE; ++ insn |= ENCODE_SBTYPE_IMM (8); ++ md_number_to_chars ((char *) buf, insn, 4); ++ buf += 4; ++ ++jump: ++ /* Jump to the target. */ ++ fixp = fix_new_exp (fragp, buf - (bfd_byte *)fragp->fr_literal, ++ 4, &exp, FALSE, BFD_RELOC_RISCV_JMP); ++ md_number_to_chars ((char *) buf, MATCH_JAL, 4); ++ buf += 4; ++ break; ++ ++ case 4: ++ reloc = RELAX_BRANCH_UNCOND (fragp->fr_subtype) ++ ? BFD_RELOC_RISCV_JMP : BFD_RELOC_12_PCREL; ++ fixp = fix_new_exp (fragp, buf - (bfd_byte *)fragp->fr_literal, ++ 4, &exp, FALSE, reloc); ++ buf += 4; ++ break; ++ ++ default: ++ abort (); ++ } ++ ++done: ++ fixp->fx_file = fragp->fr_file; ++ fixp->fx_line = fragp->fr_line; ++ ++ gas_assert (buf == (bfd_byte *)fragp->fr_literal ++ + fragp->fr_fix + fragp->fr_var); ++ ++ fragp->fr_fix += fragp->fr_var; ++} ++ ++/* Relax a machine dependent frag. This returns the amount by which ++ the current size of the frag should change. */ ++ ++void ++md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT asec ATTRIBUTE_UNUSED, ++ fragS *fragp) ++{ ++ gas_assert (RELAX_BRANCH_P (fragp->fr_subtype)); ++ md_convert_frag_branch (fragp); ++} ++ ++void ++md_show_usage (FILE *stream) ++{ ++ fprintf (stream, _("\ ++RISC-V options:\n\ ++ -m32 assemble RV32 code\n\ ++ -m64 assemble RV64 code (default)\n\ ++ -fpic generate position-independent code\n\ ++ -fno-pic don't generate position-independent code (default)\n\ ++")); ++} ++ ++/* Standard calling conventions leave the CFA at SP on entry. */ ++void ++riscv_cfi_frame_initial_instructions (void) ++{ ++ cfi_add_CFA_def_cfa_register (X_SP); ++} ++ ++int ++tc_riscv_regname_to_dw2regnum (char *regname) ++{ ++ int reg; ++ ++ if ((reg = reg_lookup_internal (regname, RCLASS_GPR)) >= 0) ++ return reg; ++ ++ if ((reg = reg_lookup_internal (regname, RCLASS_FPR)) >= 0) ++ return reg + 32; ++ ++ as_bad (_("unknown register `%s'"), regname); ++ return -1; ++} ++ ++void ++riscv_elf_final_processing (void) ++{ ++ elf_elfheader (stdoutput)->e_flags |= elf_flags; ++} ++ ++/* Pseudo-op table. */ ++ ++static const pseudo_typeS riscv_pseudo_table[] = ++{ ++ /* RISC-V-specific pseudo-ops. */ ++ {"option", s_riscv_option, 0}, ++ {"half", cons, 2}, ++ {"word", cons, 4}, ++ {"dword", cons, 8}, ++ {"dtprelword", s_dtprel, 4}, ++ {"dtpreldword", s_dtprel, 8}, ++ {"bss", s_bss, 0}, ++ {"align", s_align, 0}, ++ {"p2align", s_align, 0}, ++ {"balign", s_align, 1}, ++ ++ /* leb128 doesn't work with relaxation; disallow it */ ++ {"uleb128", s_err, 0}, ++ {"sleb128", s_err, 0}, ++ ++ { NULL, NULL, 0 }, ++}; ++ ++void ++riscv_pop_insert (void) ++{ ++ extern void pop_insert (const pseudo_typeS *); ++ ++ pop_insert (riscv_pseudo_table); ++} +diff -urN empty/gas/config/tc-riscv.h binutils-2.26/gas/config/tc-riscv.h +--- empty/gas/config/tc-riscv.h 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/gas/config/tc-riscv.h 2016-04-03 10:33:12.065459702 +0800 +@@ -0,0 +1,102 @@ ++/* tc-riscv.h -- header file for tc-riscv.c. ++ Copyright 2011-2015 Free Software Foundation, Inc. ++ ++ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. ++ Based on MIPS target. ++ ++ This file is part of GAS. ++ ++ GAS is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3, or (at your option) ++ any later version. ++ ++ GAS is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; see the file COPYING3. If not, ++ see <http://www.gnu.org/licenses/>. */ ++ ++#ifndef TC_RISCV ++#define TC_RISCV ++ ++#include "opcode/riscv.h" ++ ++struct frag; ++struct expressionS; ++ ++#define TARGET_BYTES_BIG_ENDIAN 0 ++ ++#define TARGET_ARCH bfd_arch_riscv ++ ++#define WORKING_DOT_WORD 1 ++#define LOCAL_LABELS_FB 1 ++ ++/* Symbols named FAKE_LABEL_NAME are emitted when generating DWARF, so make ++ sure FAKE_LABEL_NAME is printable. It still must be distinct from any ++ real label name. So, append a space, which other labels can't contain. */ ++#define FAKE_LABEL_NAME ".L0 " ++ ++#define md_relax_frag(segment, fragp, stretch) \ ++ riscv_relax_frag(segment, fragp, stretch) ++extern int riscv_relax_frag (asection *, struct frag *, long); ++ ++#define md_section_align(seg,size) (size) ++#define md_undefined_symbol(name) (0) ++#define md_operand(x) ++ ++/* FIXME: it is unclear if this is used, or if it is even correct. */ ++#define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2) ++ ++/* The ISA of the target may change based on command-line arguments. */ ++#define TARGET_FORMAT riscv_target_format() ++extern const char *riscv_target_format (void); ++ ++#define md_after_parse_args() riscv_after_parse_args() ++extern void riscv_after_parse_args (void); ++ ++#define tc_init_after_args() riscv_init_after_args() ++extern void riscv_init_after_args (void); ++ ++#define md_parse_long_option(arg) riscv_parse_long_option (arg) ++extern int riscv_parse_long_option (const char *); ++ ++/* Let the linker resolve all the relocs due to relaxation. */ ++#define tc_fix_adjustable(fixp) 0 ++#define md_allow_local_subtract(l,r,s) 0 ++ ++/* Values passed to md_apply_fix don't include symbol values. */ ++#define MD_APPLY_SYM_VALUE(FIX) 0 ++ ++/* Global syms must not be resolved, to support ELF shared libraries. */ ++#define EXTERN_FORCE_RELOC \ ++ (OUTPUT_FLAVOR == bfd_target_elf_flavour) ++ ++#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) ((SEG)->flags & SEC_CODE) ++#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1 ++#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1 ++#define TC_FORCE_RELOCATION_LOCAL(FIX) 1 ++#define DIFF_EXPR_OK 1 ++ ++extern void riscv_pop_insert (void); ++#define md_pop_insert() riscv_pop_insert() ++ ++#define TARGET_USE_CFIPOP 1 ++ ++#define tc_cfi_frame_initial_instructions riscv_cfi_frame_initial_instructions ++extern void riscv_cfi_frame_initial_instructions (void); ++ ++#define tc_regname_to_dw2regnum tc_riscv_regname_to_dw2regnum ++extern int tc_riscv_regname_to_dw2regnum (char *regname); ++ ++extern unsigned xlen; ++#define DWARF2_DEFAULT_RETURN_COLUMN X_RA ++#define DWARF2_CIE_DATA_ALIGNMENT (-(int) (xlen / 8)) ++ ++#define elf_tc_final_processing riscv_elf_final_processing ++extern void riscv_elf_final_processing (void); ++ ++#endif /* TC_RISCV */ +diff -urN empty/include/elf/riscv.h binutils-2.26/include/elf/riscv.h +--- empty/include/elf/riscv.h 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/include/elf/riscv.h 2016-04-03 10:33:12.065459702 +0800 +@@ -0,0 +1,92 @@ ++/* RISC-V ELF support for BFD. ++ Copyright 2011-2015 Free Software Foundation, Inc. ++ ++ Contributed by Andrw Waterman <waterman@cs.berkeley.edu> at UC Berkeley. ++ Based on MIPS ELF support for BFD, by Ian Lance Taylor. ++ ++ This file is part of BFD, the Binary File Descriptor library. ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3 of the License, or ++ (at your option) any later version. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; see the file COPYING3. If not, ++ see <http://www.gnu.org/licenses/>. */ ++ ++/* This file holds definitions specific to the RISCV ELF ABI. Note ++ that most of this is not actually implemented by BFD. */ ++ ++#ifndef _ELF_RISCV_H ++#define _ELF_RISCV_H ++ ++#include "elf/reloc-macros.h" ++#include "libiberty.h" ++ ++/* Relocation types. */ ++START_RELOC_NUMBERS (elf_riscv_reloc_type) ++ /* Relocation types used by the dynamic linker. */ ++ RELOC_NUMBER (R_RISCV_NONE, 0) ++ RELOC_NUMBER (R_RISCV_32, 1) ++ RELOC_NUMBER (R_RISCV_64, 2) ++ RELOC_NUMBER (R_RISCV_RELATIVE, 3) ++ RELOC_NUMBER (R_RISCV_COPY, 4) ++ RELOC_NUMBER (R_RISCV_JUMP_SLOT, 5) ++ RELOC_NUMBER (R_RISCV_TLS_DTPMOD32, 6) ++ RELOC_NUMBER (R_RISCV_TLS_DTPMOD64, 7) ++ RELOC_NUMBER (R_RISCV_TLS_DTPREL32, 8) ++ RELOC_NUMBER (R_RISCV_TLS_DTPREL64, 9) ++ RELOC_NUMBER (R_RISCV_TLS_TPREL32, 10) ++ RELOC_NUMBER (R_RISCV_TLS_TPREL64, 11) ++ ++ /* Relocation types not used by the dynamic linker. */ ++ RELOC_NUMBER (R_RISCV_BRANCH, 16) ++ RELOC_NUMBER (R_RISCV_JAL, 17) ++ RELOC_NUMBER (R_RISCV_CALL, 18) ++ RELOC_NUMBER (R_RISCV_CALL_PLT, 19) ++ RELOC_NUMBER (R_RISCV_GOT_HI20, 20) ++ RELOC_NUMBER (R_RISCV_TLS_GOT_HI20, 21) ++ RELOC_NUMBER (R_RISCV_TLS_GD_HI20, 22) ++ RELOC_NUMBER (R_RISCV_PCREL_HI20, 23) ++ RELOC_NUMBER (R_RISCV_PCREL_LO12_I, 24) ++ RELOC_NUMBER (R_RISCV_PCREL_LO12_S, 25) ++ RELOC_NUMBER (R_RISCV_HI20, 26) ++ RELOC_NUMBER (R_RISCV_LO12_I, 27) ++ RELOC_NUMBER (R_RISCV_LO12_S, 28) ++ RELOC_NUMBER (R_RISCV_TPREL_HI20, 29) ++ RELOC_NUMBER (R_RISCV_TPREL_LO12_I, 30) ++ RELOC_NUMBER (R_RISCV_TPREL_LO12_S, 31) ++ RELOC_NUMBER (R_RISCV_TPREL_ADD, 32) ++ RELOC_NUMBER (R_RISCV_ADD8, 33) ++ RELOC_NUMBER (R_RISCV_ADD16, 34) ++ RELOC_NUMBER (R_RISCV_ADD32, 35) ++ RELOC_NUMBER (R_RISCV_ADD64, 36) ++ RELOC_NUMBER (R_RISCV_SUB8, 37) ++ RELOC_NUMBER (R_RISCV_SUB16, 38) ++ RELOC_NUMBER (R_RISCV_SUB32, 39) ++ RELOC_NUMBER (R_RISCV_SUB64, 40) ++ RELOC_NUMBER (R_RISCV_GNU_VTINHERIT, 41) ++ RELOC_NUMBER (R_RISCV_GNU_VTENTRY, 42) ++ RELOC_NUMBER (R_RISCV_ALIGN, 43) ++ RELOC_NUMBER (R_RISCV_RVC_BRANCH, 44) ++ RELOC_NUMBER (R_RISCV_RVC_JUMP, 45) ++ RELOC_NUMBER (R_RISCV_RVC_LUI, 46) ++ RELOC_NUMBER (R_RISCV_GPREL_I, 47) ++ RELOC_NUMBER (R_RISCV_GPREL_S, 48) ++END_RELOC_NUMBERS (R_RISCV_max) ++ ++/* Processor specific flags for the ELF header e_flags field. */ ++ ++/* File may contain compressed instructions. */ ++#define EF_RISCV_RVC 0x0001 ++ ++/* File uses the soft-float calling convention. */ ++#define EF_RISCV_SOFT_FLOAT 0x0002 ++ ++#endif /* _ELF_RISCV_H */ +diff -urN empty/include/opcode/riscv.h binutils-2.26/include/opcode/riscv.h +--- empty/include/opcode/riscv.h 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/include/opcode/riscv.h 2016-04-03 10:33:12.065459702 +0800 +@@ -0,0 +1,344 @@ ++/* riscv.h. RISC-V opcode list for GDB, the GNU debugger. ++ Copyright 2011 ++ Free Software Foundation, Inc. ++ Contributed by Andrew Waterman ++ ++This file is part of GDB, GAS, and the GNU binutils. ++ ++GDB, GAS, and the GNU binutils are free software; you can redistribute ++them and/or modify them under the terms of the GNU General Public ++License as published by the Free Software Foundation; either version ++1, or (at your option) any later version. ++ ++GDB, GAS, and the GNU binutils are distributed in the hope that they ++will be useful, but WITHOUT ANY WARRANTY; without even the implied ++warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See ++the GNU General Public License for more details. ++ ++You should have received a copy of the GNU General Public License ++along with this file; see the file COPYING. If not, write to the Free ++Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ ++ ++#ifndef _RISCV_H_ ++#define _RISCV_H_ ++ ++#include "riscv-opc.h" ++#include <stdlib.h> ++#include <stdint.h> ++ ++typedef uint64_t insn_t; ++ ++static inline unsigned int riscv_insn_length (insn_t insn) ++{ ++ if ((insn & 0x3) != 0x3) /* RVC. */ ++ return 2; ++ if ((insn & 0x1f) != 0x1f) /* Base ISA and extensions in 32-bit space. */ ++ return 4; ++ if ((insn & 0x3f) == 0x1f) /* 48-bit extensions. */ ++ return 6; ++ if ((insn & 0x7f) == 0x3f) /* 64-bit extensions. */ ++ return 8; ++ /* Longer instructions not supported at the moment. */ ++ return 2; ++} ++ ++static const char * const riscv_rm[8] = { ++ "rne", "rtz", "rdn", "rup", "rmm", 0, 0, "dyn" ++}; ++static const char * const riscv_pred_succ[16] = { ++ 0, "w", "r", "rw", "o", "ow", "or", "orw", ++ "i", "iw", "ir", "irw", "io", "iow", "ior", "iorw", ++}; ++ ++#define RVC_JUMP_BITS 11 ++#define RVC_JUMP_REACH ((1ULL << RVC_JUMP_BITS) * RISCV_JUMP_ALIGN) ++ ++#define RVC_BRANCH_BITS 8 ++#define RVC_BRANCH_REACH ((1ULL << RVC_BRANCH_BITS) * RISCV_BRANCH_ALIGN) ++ ++#define RV_X(x, s, n) (((x) >> (s)) & ((1 << (n)) - 1)) ++#define RV_IMM_SIGN(x) (-(((x) >> 31) & 1)) ++ ++#define EXTRACT_ITYPE_IMM(x) \ ++ (RV_X(x, 20, 12) | (RV_IMM_SIGN(x) << 12)) ++#define EXTRACT_STYPE_IMM(x) \ ++ (RV_X(x, 7, 5) | (RV_X(x, 25, 7) << 5) | (RV_IMM_SIGN(x) << 12)) ++#define EXTRACT_SBTYPE_IMM(x) \ ++ ((RV_X(x, 8, 4) << 1) | (RV_X(x, 25, 6) << 5) | (RV_X(x, 7, 1) << 11) | (RV_IMM_SIGN(x) << 12)) ++#define EXTRACT_UTYPE_IMM(x) \ ++ ((RV_X(x, 12, 20) << 12) | (RV_IMM_SIGN(x) << 32)) ++#define EXTRACT_UJTYPE_IMM(x) \ ++ ((RV_X(x, 21, 10) << 1) | (RV_X(x, 20, 1) << 11) | (RV_X(x, 12, 8) << 12) | (RV_IMM_SIGN(x) << 20)) ++#define EXTRACT_RVC_IMM(x) \ ++ (RV_X(x, 2, 5) | (-RV_X(x, 12, 1) << 5)) ++#define EXTRACT_RVC_LUI_IMM(x) \ ++ (EXTRACT_RVC_IMM (x) << RISCV_IMM_BITS) ++#define EXTRACT_RVC_SIMM3(x) \ ++ (RV_X(x, 10, 2) | (-RV_X(x, 12, 1) << 2)) ++#define EXTRACT_RVC_ADDI4SPN_IMM(x) \ ++ ((RV_X(x, 6, 1) << 2) | (RV_X(x, 5, 1) << 3) | (RV_X(x, 11, 2) << 4) | (RV_X(x, 7, 4) << 6)) ++#define EXTRACT_RVC_ADDI16SP_IMM(x) \ ++ ((RV_X(x, 6, 1) << 4) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 5, 1) << 6) | (RV_X(x, 3, 2) << 7) | (-RV_X(x, 12, 1) << 9)) ++#define EXTRACT_RVC_LW_IMM(x) \ ++ ((RV_X(x, 6, 1) << 2) | (RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 1) << 6)) ++#define EXTRACT_RVC_LD_IMM(x) \ ++ ((RV_X(x, 10, 3) << 3) | (RV_X(x, 5, 2) << 6)) ++#define EXTRACT_RVC_LWSP_IMM(x) \ ++ ((RV_X(x, 4, 3) << 2) | (RV_X(x, 12, 1) << 5) | (RV_X(x, 2, 2) << 6)) ++#define EXTRACT_RVC_LDSP_IMM(x) \ ++ ((RV_X(x, 5, 2) << 3) | (RV_X(x, 12, 1) << 5) | (RV_X(x, 2, 3) << 6)) ++#define EXTRACT_RVC_SWSP_IMM(x) \ ++ ((RV_X(x, 9, 4) << 2) | (RV_X(x, 7, 2) << 6)) ++#define EXTRACT_RVC_SDSP_IMM(x) \ ++ ((RV_X(x, 10, 3) << 3) | (RV_X(x, 7, 3) << 6)) ++#define EXTRACT_RVC_B_IMM(x) \ ++ ((RV_X(x, 3, 2) << 1) | (RV_X(x, 10, 2) << 3) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 5, 2) << 6) | (-RV_X(x, 12, 1) << 8)) ++#define EXTRACT_RVC_J_IMM(x) \ ++ ((RV_X(x, 3, 3) << 1) | (RV_X(x, 11, 1) << 4) | (RV_X(x, 2, 1) << 5) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 6, 1) << 7) | (RV_X(x, 9, 2) << 8) | (RV_X(x, 8, 1) << 10) | (-RV_X(x, 12, 1) << 11)) ++ ++#define ENCODE_ITYPE_IMM(x) \ ++ (RV_X(x, 0, 12) << 20) ++#define ENCODE_STYPE_IMM(x) \ ++ ((RV_X(x, 0, 5) << 7) | (RV_X(x, 5, 7) << 25)) ++#define ENCODE_SBTYPE_IMM(x) \ ++ ((RV_X(x, 1, 4) << 8) | (RV_X(x, 5, 6) << 25) | (RV_X(x, 11, 1) << 7) | (RV_X(x, 12, 1) << 31)) ++#define ENCODE_UTYPE_IMM(x) \ ++ (RV_X(x, 12, 20) << 12) ++#define ENCODE_UJTYPE_IMM(x) \ ++ ((RV_X(x, 1, 10) << 21) | (RV_X(x, 11, 1) << 20) | (RV_X(x, 12, 8) << 12) | (RV_X(x, 20, 1) << 31)) ++#define ENCODE_RVC_IMM(x) \ ++ ((RV_X(x, 0, 5) << 2) | (RV_X(x, 5, 1) << 12)) ++#define ENCODE_RVC_LUI_IMM(x) \ ++ ENCODE_RVC_IMM ((x) >> RISCV_IMM_BITS) ++#define ENCODE_RVC_SIMM3(x) \ ++ (RV_X(x, 0, 3) << 10) ++#define ENCODE_RVC_ADDI4SPN_IMM(x) \ ++ ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 1) << 5) | (RV_X(x, 4, 2) << 11) | (RV_X(x, 6, 4) << 7)) ++#define ENCODE_RVC_ADDI16SP_IMM(x) \ ++ ((RV_X(x, 4, 1) << 6) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 1) << 5) | (RV_X(x, 7, 2) << 3) | (RV_X(x, 9, 1) << 12)) ++#define ENCODE_RVC_LW_IMM(x) \ ++ ((RV_X(x, 2, 1) << 6) | (RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 1) << 5)) ++#define ENCODE_RVC_LD_IMM(x) \ ++ ((RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 2) << 5)) ++#define ENCODE_RVC_LWSP_IMM(x) \ ++ ((RV_X(x, 2, 3) << 4) | (RV_X(x, 5, 1) << 12) | (RV_X(x, 6, 2) << 2)) ++#define ENCODE_RVC_LDSP_IMM(x) \ ++ ((RV_X(x, 3, 2) << 5) | (RV_X(x, 5, 1) << 12) | (RV_X(x, 6, 3) << 2)) ++#define ENCODE_RVC_SWSP_IMM(x) \ ++ ((RV_X(x, 2, 4) << 9) | (RV_X(x, 6, 2) << 7)) ++#define ENCODE_RVC_SDSP_IMM(x) \ ++ ((RV_X(x, 3, 3) << 10) | (RV_X(x, 6, 3) << 7)) ++#define ENCODE_RVC_B_IMM(x) \ ++ ((RV_X(x, 1, 2) << 3) | (RV_X(x, 3, 2) << 10) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 2) << 5) | (RV_X(x, 8, 1) << 12)) ++#define ENCODE_RVC_J_IMM(x) \ ++ ((RV_X(x, 1, 3) << 3) | (RV_X(x, 4, 1) << 11) | (RV_X(x, 5, 1) << 2) | (RV_X(x, 6, 1) << 7) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 8, 2) << 9) | (RV_X(x, 10, 1) << 8) | (RV_X(x, 11, 1) << 12)) ++ ++#define VALID_ITYPE_IMM(x) (EXTRACT_ITYPE_IMM(ENCODE_ITYPE_IMM(x)) == (x)) ++#define VALID_STYPE_IMM(x) (EXTRACT_STYPE_IMM(ENCODE_STYPE_IMM(x)) == (x)) ++#define VALID_SBTYPE_IMM(x) (EXTRACT_SBTYPE_IMM(ENCODE_SBTYPE_IMM(x)) == (x)) ++#define VALID_UTYPE_IMM(x) (EXTRACT_UTYPE_IMM(ENCODE_UTYPE_IMM(x)) == (x)) ++#define VALID_UJTYPE_IMM(x) (EXTRACT_UJTYPE_IMM(ENCODE_UJTYPE_IMM(x)) == (x)) ++#define VALID_RVC_IMM(x) (EXTRACT_RVC_IMM(ENCODE_RVC_IMM(x)) == (x)) ++#define VALID_RVC_LUI_IMM(x) (EXTRACT_RVC_LUI_IMM(ENCODE_RVC_LUI_IMM(x)) == (x)) ++#define VALID_RVC_SIMM3(x) (EXTRACT_RVC_SIMM3(ENCODE_RVC_SIMM3(x)) == (x)) ++#define VALID_RVC_ADDI4SPN_IMM(x) (EXTRACT_RVC_ADDI4SPN_IMM(ENCODE_RVC_ADDI4SPN_IMM(x)) == (x)) ++#define VALID_RVC_ADDI16SP_IMM(x) (EXTRACT_RVC_ADDI16SP_IMM(ENCODE_RVC_ADDI16SP_IMM(x)) == (x)) ++#define VALID_RVC_LW_IMM(x) (EXTRACT_RVC_LW_IMM(ENCODE_RVC_LW_IMM(x)) == (x)) ++#define VALID_RVC_LD_IMM(x) (EXTRACT_RVC_LD_IMM(ENCODE_RVC_LD_IMM(x)) == (x)) ++#define VALID_RVC_LWSP_IMM(x) (EXTRACT_RVC_LWSP_IMM(ENCODE_RVC_LWSP_IMM(x)) == (x)) ++#define VALID_RVC_LDSP_IMM(x) (EXTRACT_RVC_LDSP_IMM(ENCODE_RVC_LDSP_IMM(x)) == (x)) ++#define VALID_RVC_SWSP_IMM(x) (EXTRACT_RVC_SWSP_IMM(ENCODE_RVC_SWSP_IMM(x)) == (x)) ++#define VALID_RVC_SDSP_IMM(x) (EXTRACT_RVC_SDSP_IMM(ENCODE_RVC_SDSP_IMM(x)) == (x)) ++#define VALID_RVC_B_IMM(x) (EXTRACT_RVC_B_IMM(ENCODE_RVC_B_IMM(x)) == (x)) ++#define VALID_RVC_J_IMM(x) (EXTRACT_RVC_J_IMM(ENCODE_RVC_J_IMM(x)) == (x)) ++ ++#define RISCV_RTYPE(insn, rd, rs1, rs2) \ ++ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2)) ++#define RISCV_ITYPE(insn, rd, rs1, imm) \ ++ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ENCODE_ITYPE_IMM(imm)) ++#define RISCV_STYPE(insn, rs1, rs2, imm) \ ++ ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_STYPE_IMM(imm)) ++#define RISCV_SBTYPE(insn, rs1, rs2, target) \ ++ ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_SBTYPE_IMM(target)) ++#define RISCV_UTYPE(insn, rd, bigimm) \ ++ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_UTYPE_IMM(bigimm)) ++#define RISCV_UJTYPE(insn, rd, target) \ ++ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_UJTYPE_IMM(target)) ++ ++#define RISCV_NOP RISCV_ITYPE(ADDI, 0, 0, 0) ++#define RVC_NOP MATCH_C_ADDI ++ ++#define RISCV_CONST_HIGH_PART(VALUE) \ ++ (((VALUE) + (RISCV_IMM_REACH/2)) & ~(RISCV_IMM_REACH-1)) ++#define RISCV_CONST_LOW_PART(VALUE) ((VALUE) - RISCV_CONST_HIGH_PART (VALUE)) ++#define RISCV_PCREL_HIGH_PART(VALUE, PC) RISCV_CONST_HIGH_PART((VALUE) - (PC)) ++#define RISCV_PCREL_LOW_PART(VALUE, PC) RISCV_CONST_LOW_PART((VALUE) - (PC)) ++ ++#define RISCV_JUMP_BITS RISCV_BIGIMM_BITS ++#define RISCV_JUMP_ALIGN_BITS 1 ++#define RISCV_JUMP_ALIGN (1 << RISCV_JUMP_ALIGN_BITS) ++#define RISCV_JUMP_REACH ((1ULL << RISCV_JUMP_BITS) * RISCV_JUMP_ALIGN) ++ ++#define RISCV_IMM_BITS 12 ++#define RISCV_BIGIMM_BITS (32 - RISCV_IMM_BITS) ++#define RISCV_IMM_REACH (1LL << RISCV_IMM_BITS) ++#define RISCV_BIGIMM_REACH (1LL << RISCV_BIGIMM_BITS) ++#define RISCV_RVC_IMM_REACH (1LL << 6) ++#define RISCV_BRANCH_BITS RISCV_IMM_BITS ++#define RISCV_BRANCH_ALIGN_BITS RISCV_JUMP_ALIGN_BITS ++#define RISCV_BRANCH_ALIGN (1 << RISCV_BRANCH_ALIGN_BITS) ++#define RISCV_BRANCH_REACH (RISCV_IMM_REACH * RISCV_BRANCH_ALIGN) ++ ++/* RV fields. */ ++ ++#define OP_MASK_OP 0x7f ++#define OP_SH_OP 0 ++#define OP_MASK_RS2 0x1f ++#define OP_SH_RS2 20 ++#define OP_MASK_RS1 0x1f ++#define OP_SH_RS1 15 ++#define OP_MASK_RS3 0x1f ++#define OP_SH_RS3 27 ++#define OP_MASK_RD 0x1f ++#define OP_SH_RD 7 ++#define OP_MASK_SHAMT 0x3f ++#define OP_SH_SHAMT 20 ++#define OP_MASK_SHAMTW 0x1f ++#define OP_SH_SHAMTW 20 ++#define OP_MASK_RM 0x7 ++#define OP_SH_RM 12 ++#define OP_MASK_PRED 0xf ++#define OP_SH_PRED 24 ++#define OP_MASK_SUCC 0xf ++#define OP_SH_SUCC 20 ++#define OP_MASK_AQ 0x1 ++#define OP_SH_AQ 26 ++#define OP_MASK_RL 0x1 ++#define OP_SH_RL 25 ++ ++#define OP_MASK_CUSTOM_IMM 0x7f ++#define OP_SH_CUSTOM_IMM 25 ++#define OP_MASK_CSR 0xfff ++#define OP_SH_CSR 20 ++ ++/* RVC fields. */ ++ ++#define OP_MASK_CRS2 0x1f ++#define OP_SH_CRS2 2 ++#define OP_MASK_CRS1S 0x7 ++#define OP_SH_CRS1S 7 ++#define OP_MASK_CRS2S 0x7 ++#define OP_SH_CRS2S 2 ++ ++/* ABI names for selected x-registers. */ ++ ++#define X_RA 1 ++#define X_SP 2 ++#define X_GP 3 ++#define X_TP 4 ++#define X_T0 5 ++#define X_T1 6 ++#define X_T2 7 ++#define X_T3 28 ++ ++#define NGPR 32 ++#define NFPR 32 ++ ++/* Replace bits MASK << SHIFT of STRUCT with the equivalent bits in ++ VALUE << SHIFT. VALUE is evaluated exactly once. */ ++#define INSERT_BITS(STRUCT, VALUE, MASK, SHIFT) \ ++ (STRUCT) = (((STRUCT) & ~((insn_t)(MASK) << (SHIFT))) \ ++ | ((insn_t)((VALUE) & (MASK)) << (SHIFT))) ++ ++/* Extract bits MASK << SHIFT from STRUCT and shift them right ++ SHIFT places. */ ++#define EXTRACT_BITS(STRUCT, MASK, SHIFT) \ ++ (((STRUCT) >> (SHIFT)) & (MASK)) ++ ++/* Extract the operand given by FIELD from integer INSN. */ ++#define EXTRACT_OPERAND(FIELD, INSN) \ ++ EXTRACT_BITS ((INSN), OP_MASK_##FIELD, OP_SH_##FIELD) ++ ++/* This structure holds information for a particular instruction. */ ++ ++struct riscv_opcode ++{ ++ /* The name of the instruction. */ ++ const char *name; ++ /* The ISA subset name (I, M, A, F, D, Xextension). */ ++ const char *subset; ++ /* A string describing the arguments for this instruction. */ ++ const char *args; ++ /* The basic opcode for the instruction. When assembling, this ++ opcode is modified by the arguments to produce the actual opcode ++ that is used. If pinfo is INSN_MACRO, then this is 0. */ ++ insn_t match; ++ /* If pinfo is not INSN_MACRO, then this is a bit mask for the ++ relevant portions of the opcode when disassembling. If the ++ actual opcode anded with the match field equals the opcode field, ++ then we have found the correct instruction. If pinfo is ++ INSN_MACRO, then this field is the macro identifier. */ ++ insn_t mask; ++ /* A function to determine if a word corresponds to this instruction. ++ Usually, this computes ((word & mask) == match). */ ++ int (*match_func) (const struct riscv_opcode *op, insn_t word); ++ /* For a macro, this is INSN_MACRO. Otherwise, it is a collection ++ of bits describing the instruction, notably any relevant hazard ++ information. */ ++ unsigned long pinfo; ++}; ++ ++/* Instruction is a simple alias (e.g. "mv" for "addi"). */ ++#define INSN_ALIAS 0x00000001 ++/* Instruction is actually a macro. It should be ignored by the ++ disassembler, and requires special treatment by the assembler. */ ++#define INSN_MACRO 0xffffffff ++ ++/* This is a list of macro expanded instructions. ++ ++ _I appended means immediate ++ _A appended means address ++ _AB appended means address with base register ++ _D appended means 64 bit floating point constant ++ _S appended means 32 bit floating point constant. */ ++ ++enum ++{ ++ M_LA, ++ M_LLA, ++ M_LA_TLS_GD, ++ M_LA_TLS_IE, ++ M_LB, ++ M_LBU, ++ M_LH, ++ M_LHU, ++ M_LW, ++ M_LWU, ++ M_LD, ++ M_SB, ++ M_SH, ++ M_SW, ++ M_SD, ++ M_FLW, ++ M_FLD, ++ M_FSW, ++ M_FSD, ++ M_CALL, ++ M_J, ++ M_LI, ++ M_NUM_MACROS ++}; ++ ++ ++extern const char * const riscv_gpr_names_numeric[NGPR]; ++extern const char * const riscv_gpr_names_abi[NGPR]; ++extern const char * const riscv_fpr_names_numeric[NFPR]; ++extern const char * const riscv_fpr_names_abi[NFPR]; ++ ++extern const struct riscv_opcode riscv_builtin_opcodes[]; ++extern const int bfd_riscv_num_builtin_opcodes; ++extern struct riscv_opcode *riscv_opcodes; ++extern int bfd_riscv_num_opcodes; ++#define NUMOPCODES bfd_riscv_num_opcodes ++ ++#endif /* _RISCV_H_ */ +diff -urN empty/include/opcode/riscv-opc.h binutils-2.26/include/opcode/riscv-opc.h +--- empty/include/opcode/riscv-opc.h 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/include/opcode/riscv-opc.h 2016-04-03 10:33:12.065459702 +0800 +@@ -0,0 +1,931 @@ ++/* Automatically generated by parse-opcodes */ ++#ifndef RISCV_ENCODING_H ++#define RISCV_ENCODING_H ++#define MATCH_SLLI_RV32 0x1013 ++#define MASK_SLLI_RV32 0xfe00707f ++#define MATCH_SRLI_RV32 0x5013 ++#define MASK_SRLI_RV32 0xfe00707f ++#define MATCH_SRAI_RV32 0x40005013 ++#define MASK_SRAI_RV32 0xfe00707f ++#define MATCH_FRFLAGS 0x102073 ++#define MASK_FRFLAGS 0xfffff07f ++#define MATCH_FSFLAGS 0x101073 ++#define MASK_FSFLAGS 0xfff0707f ++#define MATCH_FSFLAGSI 0x105073 ++#define MASK_FSFLAGSI 0xfff0707f ++#define MATCH_FRRM 0x202073 ++#define MASK_FRRM 0xfffff07f ++#define MATCH_FSRM 0x201073 ++#define MASK_FSRM 0xfff0707f ++#define MATCH_FSRMI 0x205073 ++#define MASK_FSRMI 0xfff0707f ++#define MATCH_FSCSR 0x301073 ++#define MASK_FSCSR 0xfff0707f ++#define MATCH_FRCSR 0x302073 ++#define MASK_FRCSR 0xfffff07f ++#define MATCH_RDCYCLE 0xc0002073 ++#define MASK_RDCYCLE 0xfffff07f ++#define MATCH_RDTIME 0xc0102073 ++#define MASK_RDTIME 0xfffff07f ++#define MATCH_RDINSTRET 0xc0202073 ++#define MASK_RDINSTRET 0xfffff07f ++#define MATCH_RDCYCLEH 0xc8002073 ++#define MASK_RDCYCLEH 0xfffff07f ++#define MATCH_RDTIMEH 0xc8102073 ++#define MASK_RDTIMEH 0xfffff07f ++#define MATCH_RDINSTRETH 0xc8202073 ++#define MASK_RDINSTRETH 0xfffff07f ++#define MATCH_ECALL 0x73 ++#define MASK_ECALL 0xffffffff ++#define MATCH_EBREAK 0x100073 ++#define MASK_EBREAK 0xffffffff ++#define MATCH_ERET 0x10000073 ++#define MASK_ERET 0xffffffff ++#define MATCH_BEQ 0x63 ++#define MASK_BEQ 0x707f ++#define MATCH_BNE 0x1063 ++#define MASK_BNE 0x707f ++#define MATCH_BLT 0x4063 ++#define MASK_BLT 0x707f ++#define MATCH_BGE 0x5063 ++#define MASK_BGE 0x707f ++#define MATCH_BLTU 0x6063 ++#define MASK_BLTU 0x707f ++#define MATCH_BGEU 0x7063 ++#define MASK_BGEU 0x707f ++#define MATCH_JALR 0x67 ++#define MASK_JALR 0x707f ++#define MATCH_JAL 0x6f ++#define MASK_JAL 0x7f ++#define MATCH_LUI 0x37 ++#define MASK_LUI 0x7f ++#define MATCH_AUIPC 0x17 ++#define MASK_AUIPC 0x7f ++#define MATCH_ADDI 0x13 ++#define MASK_ADDI 0x707f ++#define MATCH_SLLI 0x1013 ++#define MASK_SLLI 0xfc00707f ++#define MATCH_SLTI 0x2013 ++#define MASK_SLTI 0x707f ++#define MATCH_SLTIU 0x3013 ++#define MASK_SLTIU 0x707f ++#define MATCH_XORI 0x4013 ++#define MASK_XORI 0x707f ++#define MATCH_SRLI 0x5013 ++#define MASK_SRLI 0xfc00707f ++#define MATCH_SRAI 0x40005013 ++#define MASK_SRAI 0xfc00707f ++#define MATCH_ORI 0x6013 ++#define MASK_ORI 0x707f ++#define MATCH_ANDI 0x7013 ++#define MASK_ANDI 0x707f ++#define MATCH_ADD 0x33 ++#define MASK_ADD 0xfe00707f ++#define MATCH_SUB 0x40000033 ++#define MASK_SUB 0xfe00707f ++#define MATCH_SLL 0x1033 ++#define MASK_SLL 0xfe00707f ++#define MATCH_SLT 0x2033 ++#define MASK_SLT 0xfe00707f ++#define MATCH_SLTU 0x3033 ++#define MASK_SLTU 0xfe00707f ++#define MATCH_XOR 0x4033 ++#define MASK_XOR 0xfe00707f ++#define MATCH_SRL 0x5033 ++#define MASK_SRL 0xfe00707f ++#define MATCH_SRA 0x40005033 ++#define MASK_SRA 0xfe00707f ++#define MATCH_OR 0x6033 ++#define MASK_OR 0xfe00707f ++#define MATCH_AND 0x7033 ++#define MASK_AND 0xfe00707f ++#define MATCH_ADDIW 0x1b ++#define MASK_ADDIW 0x707f ++#define MATCH_SLLIW 0x101b ++#define MASK_SLLIW 0xfe00707f ++#define MATCH_SRLIW 0x501b ++#define MASK_SRLIW 0xfe00707f ++#define MATCH_SRAIW 0x4000501b ++#define MASK_SRAIW 0xfe00707f ++#define MATCH_ADDW 0x3b ++#define MASK_ADDW 0xfe00707f ++#define MATCH_SUBW 0x4000003b ++#define MASK_SUBW 0xfe00707f ++#define MATCH_SLLW 0x103b ++#define MASK_SLLW 0xfe00707f ++#define MATCH_SRLW 0x503b ++#define MASK_SRLW 0xfe00707f ++#define MATCH_SRAW 0x4000503b ++#define MASK_SRAW 0xfe00707f ++#define MATCH_LB 0x3 ++#define MASK_LB 0x707f ++#define MATCH_LH 0x1003 ++#define MASK_LH 0x707f ++#define MATCH_LW 0x2003 ++#define MASK_LW 0x707f ++#define MATCH_LD 0x3003 ++#define MASK_LD 0x707f ++#define MATCH_LBU 0x4003 ++#define MASK_LBU 0x707f ++#define MATCH_LHU 0x5003 ++#define MASK_LHU 0x707f ++#define MATCH_LWU 0x6003 ++#define MASK_LWU 0x707f ++#define MATCH_SB 0x23 ++#define MASK_SB 0x707f ++#define MATCH_SH 0x1023 ++#define MASK_SH 0x707f ++#define MATCH_SW 0x2023 ++#define MASK_SW 0x707f ++#define MATCH_SD 0x3023 ++#define MASK_SD 0x707f ++#define MATCH_FENCE 0xf ++#define MASK_FENCE 0x707f ++#define MATCH_FENCE_I 0x100f ++#define MASK_FENCE_I 0x707f ++#define MATCH_MUL 0x2000033 ++#define MASK_MUL 0xfe00707f ++#define MATCH_MULH 0x2001033 ++#define MASK_MULH 0xfe00707f ++#define MATCH_MULHSU 0x2002033 ++#define MASK_MULHSU 0xfe00707f ++#define MATCH_MULHU 0x2003033 ++#define MASK_MULHU 0xfe00707f ++#define MATCH_DIV 0x2004033 ++#define MASK_DIV 0xfe00707f ++#define MATCH_DIVU 0x2005033 ++#define MASK_DIVU 0xfe00707f ++#define MATCH_REM 0x2006033 ++#define MASK_REM 0xfe00707f ++#define MATCH_REMU 0x2007033 ++#define MASK_REMU 0xfe00707f ++#define MATCH_MULW 0x200003b ++#define MASK_MULW 0xfe00707f ++#define MATCH_DIVW 0x200403b ++#define MASK_DIVW 0xfe00707f ++#define MATCH_DIVUW 0x200503b ++#define MASK_DIVUW 0xfe00707f ++#define MATCH_REMW 0x200603b ++#define MASK_REMW 0xfe00707f ++#define MATCH_REMUW 0x200703b ++#define MASK_REMUW 0xfe00707f ++#define MATCH_AMOADD_W 0x202f ++#define MASK_AMOADD_W 0xf800707f ++#define MATCH_AMOXOR_W 0x2000202f ++#define MASK_AMOXOR_W 0xf800707f ++#define MATCH_AMOOR_W 0x4000202f ++#define MASK_AMOOR_W 0xf800707f ++#define MATCH_AMOAND_W 0x6000202f ++#define MASK_AMOAND_W 0xf800707f ++#define MATCH_AMOMIN_W 0x8000202f ++#define MASK_AMOMIN_W 0xf800707f ++#define MATCH_AMOMAX_W 0xa000202f ++#define MASK_AMOMAX_W 0xf800707f ++#define MATCH_AMOMINU_W 0xc000202f ++#define MASK_AMOMINU_W 0xf800707f ++#define MATCH_AMOMAXU_W 0xe000202f ++#define MASK_AMOMAXU_W 0xf800707f ++#define MATCH_AMOSWAP_W 0x800202f ++#define MASK_AMOSWAP_W 0xf800707f ++#define MATCH_LR_W 0x1000202f ++#define MASK_LR_W 0xf9f0707f ++#define MATCH_SC_W 0x1800202f ++#define MASK_SC_W 0xf800707f ++#define MATCH_AMOADD_D 0x302f ++#define MASK_AMOADD_D 0xf800707f ++#define MATCH_AMOXOR_D 0x2000302f ++#define MASK_AMOXOR_D 0xf800707f ++#define MATCH_AMOOR_D 0x4000302f ++#define MASK_AMOOR_D 0xf800707f ++#define MATCH_AMOAND_D 0x6000302f ++#define MASK_AMOAND_D 0xf800707f ++#define MATCH_AMOMIN_D 0x8000302f ++#define MASK_AMOMIN_D 0xf800707f ++#define MATCH_AMOMAX_D 0xa000302f ++#define MASK_AMOMAX_D 0xf800707f ++#define MATCH_AMOMINU_D 0xc000302f ++#define MASK_AMOMINU_D 0xf800707f ++#define MATCH_AMOMAXU_D 0xe000302f ++#define MASK_AMOMAXU_D 0xf800707f ++#define MATCH_AMOSWAP_D 0x800302f ++#define MASK_AMOSWAP_D 0xf800707f ++#define MATCH_LR_D 0x1000302f ++#define MASK_LR_D 0xf9f0707f ++#define MATCH_SC_D 0x1800302f ++#define MASK_SC_D 0xf800707f ++#define MATCH_SCALL 0x73 ++#define MASK_SCALL 0xffffffff ++#define MATCH_SBREAK 0x100073 ++#define MASK_SBREAK 0xffffffff ++#define MATCH_SRET 0x10200073 ++#define MASK_SRET 0xffffffff ++#define MATCH_SFENCE_VM 0x10400073 ++#define MASK_SFENCE_VM 0xfff07fff ++#define MATCH_WFI 0x10500073 ++#define MASK_WFI 0xffffffff ++#define MATCH_CSRRW 0x1073 ++#define MASK_CSRRW 0x707f ++#define MATCH_CSRRS 0x2073 ++#define MASK_CSRRS 0x707f ++#define MATCH_CSRRC 0x3073 ++#define MASK_CSRRC 0x707f ++#define MATCH_CSRRWI 0x5073 ++#define MASK_CSRRWI 0x707f ++#define MATCH_CSRRSI 0x6073 ++#define MASK_CSRRSI 0x707f ++#define MATCH_CSRRCI 0x7073 ++#define MASK_CSRRCI 0x707f ++#define MATCH_FADD_S 0x53 ++#define MASK_FADD_S 0xfe00007f ++#define MATCH_FSUB_S 0x8000053 ++#define MASK_FSUB_S 0xfe00007f ++#define MATCH_FMUL_S 0x10000053 ++#define MASK_FMUL_S 0xfe00007f ++#define MATCH_FDIV_S 0x18000053 ++#define MASK_FDIV_S 0xfe00007f ++#define MATCH_FSGNJ_S 0x20000053 ++#define MASK_FSGNJ_S 0xfe00707f ++#define MATCH_FSGNJN_S 0x20001053 ++#define MASK_FSGNJN_S 0xfe00707f ++#define MATCH_FSGNJX_S 0x20002053 ++#define MASK_FSGNJX_S 0xfe00707f ++#define MATCH_FMIN_S 0x28000053 ++#define MASK_FMIN_S 0xfe00707f ++#define MATCH_FMAX_S 0x28001053 ++#define MASK_FMAX_S 0xfe00707f ++#define MATCH_FSQRT_S 0x58000053 ++#define MASK_FSQRT_S 0xfff0007f ++#define MATCH_FADD_D 0x2000053 ++#define MASK_FADD_D 0xfe00007f ++#define MATCH_FSUB_D 0xa000053 ++#define MASK_FSUB_D 0xfe00007f ++#define MATCH_FMUL_D 0x12000053 ++#define MASK_FMUL_D 0xfe00007f ++#define MATCH_FDIV_D 0x1a000053 ++#define MASK_FDIV_D 0xfe00007f ++#define MATCH_FSGNJ_D 0x22000053 ++#define MASK_FSGNJ_D 0xfe00707f ++#define MATCH_FSGNJN_D 0x22001053 ++#define MASK_FSGNJN_D 0xfe00707f ++#define MATCH_FSGNJX_D 0x22002053 ++#define MASK_FSGNJX_D 0xfe00707f ++#define MATCH_FMIN_D 0x2a000053 ++#define MASK_FMIN_D 0xfe00707f ++#define MATCH_FMAX_D 0x2a001053 ++#define MASK_FMAX_D 0xfe00707f ++#define MATCH_FCVT_S_D 0x40100053 ++#define MASK_FCVT_S_D 0xfff0007f ++#define MATCH_FCVT_D_S 0x42000053 ++#define MASK_FCVT_D_S 0xfff0007f ++#define MATCH_FSQRT_D 0x5a000053 ++#define MASK_FSQRT_D 0xfff0007f ++#define MATCH_FLE_S 0xa0000053 ++#define MASK_FLE_S 0xfe00707f ++#define MATCH_FLT_S 0xa0001053 ++#define MASK_FLT_S 0xfe00707f ++#define MATCH_FEQ_S 0xa0002053 ++#define MASK_FEQ_S 0xfe00707f ++#define MATCH_FLE_D 0xa2000053 ++#define MASK_FLE_D 0xfe00707f ++#define MATCH_FLT_D 0xa2001053 ++#define MASK_FLT_D 0xfe00707f ++#define MATCH_FEQ_D 0xa2002053 ++#define MASK_FEQ_D 0xfe00707f ++#define MATCH_FCVT_W_S 0xc0000053 ++#define MASK_FCVT_W_S 0xfff0007f ++#define MATCH_FCVT_WU_S 0xc0100053 ++#define MASK_FCVT_WU_S 0xfff0007f ++#define MATCH_FCVT_L_S 0xc0200053 ++#define MASK_FCVT_L_S 0xfff0007f ++#define MATCH_FCVT_LU_S 0xc0300053 ++#define MASK_FCVT_LU_S 0xfff0007f ++#define MATCH_FMV_X_S 0xe0000053 ++#define MASK_FMV_X_S 0xfff0707f ++#define MATCH_FCLASS_S 0xe0001053 ++#define MASK_FCLASS_S 0xfff0707f ++#define MATCH_FCVT_W_D 0xc2000053 ++#define MASK_FCVT_W_D 0xfff0007f ++#define MATCH_FCVT_WU_D 0xc2100053 ++#define MASK_FCVT_WU_D 0xfff0007f ++#define MATCH_FCVT_L_D 0xc2200053 ++#define MASK_FCVT_L_D 0xfff0007f ++#define MATCH_FCVT_LU_D 0xc2300053 ++#define MASK_FCVT_LU_D 0xfff0007f ++#define MATCH_FMV_X_D 0xe2000053 ++#define MASK_FMV_X_D 0xfff0707f ++#define MATCH_FCLASS_D 0xe2001053 ++#define MASK_FCLASS_D 0xfff0707f ++#define MATCH_FCVT_S_W 0xd0000053 ++#define MASK_FCVT_S_W 0xfff0007f ++#define MATCH_FCVT_S_WU 0xd0100053 ++#define MASK_FCVT_S_WU 0xfff0007f ++#define MATCH_FCVT_S_L 0xd0200053 ++#define MASK_FCVT_S_L 0xfff0007f ++#define MATCH_FCVT_S_LU 0xd0300053 ++#define MASK_FCVT_S_LU 0xfff0007f ++#define MATCH_FMV_S_X 0xf0000053 ++#define MASK_FMV_S_X 0xfff0707f ++#define MATCH_FCVT_D_W 0xd2000053 ++#define MASK_FCVT_D_W 0xfff0007f ++#define MATCH_FCVT_D_WU 0xd2100053 ++#define MASK_FCVT_D_WU 0xfff0007f ++#define MATCH_FCVT_D_L 0xd2200053 ++#define MASK_FCVT_D_L 0xfff0007f ++#define MATCH_FCVT_D_LU 0xd2300053 ++#define MASK_FCVT_D_LU 0xfff0007f ++#define MATCH_FMV_D_X 0xf2000053 ++#define MASK_FMV_D_X 0xfff0707f ++#define MATCH_FLW 0x2007 ++#define MASK_FLW 0x707f ++#define MATCH_FLD 0x3007 ++#define MASK_FLD 0x707f ++#define MATCH_FSW 0x2027 ++#define MASK_FSW 0x707f ++#define MATCH_FSD 0x3027 ++#define MASK_FSD 0x707f ++#define MATCH_FMADD_S 0x43 ++#define MASK_FMADD_S 0x600007f ++#define MATCH_FMSUB_S 0x47 ++#define MASK_FMSUB_S 0x600007f ++#define MATCH_FNMSUB_S 0x4b ++#define MASK_FNMSUB_S 0x600007f ++#define MATCH_FNMADD_S 0x4f ++#define MASK_FNMADD_S 0x600007f ++#define MATCH_FMADD_D 0x2000043 ++#define MASK_FMADD_D 0x600007f ++#define MATCH_FMSUB_D 0x2000047 ++#define MASK_FMSUB_D 0x600007f ++#define MATCH_FNMSUB_D 0x200004b ++#define MASK_FNMSUB_D 0x600007f ++#define MATCH_FNMADD_D 0x200004f ++#define MASK_FNMADD_D 0x600007f ++#define MATCH_C_ADDI4SPN 0x0 ++#define MASK_C_ADDI4SPN 0xe003 ++#define MATCH_C_FLD 0x2000 ++#define MASK_C_FLD 0xe003 ++#define MATCH_C_LW 0x4000 ++#define MASK_C_LW 0xe003 ++#define MATCH_C_FLW 0x6000 ++#define MASK_C_FLW 0xe003 ++#define MATCH_C_FSD 0xa000 ++#define MASK_C_FSD 0xe003 ++#define MATCH_C_SW 0xc000 ++#define MASK_C_SW 0xe003 ++#define MATCH_C_FSW 0xe000 ++#define MASK_C_FSW 0xe003 ++#define MATCH_C_ADDI 0x1 ++#define MASK_C_ADDI 0xe003 ++#define MATCH_C_JAL 0x2001 ++#define MASK_C_JAL 0xe003 ++#define MATCH_C_LI 0x4001 ++#define MASK_C_LI 0xe003 ++#define MATCH_C_LUI 0x6001 ++#define MASK_C_LUI 0xe003 ++#define MATCH_C_SRLI 0x8001 ++#define MASK_C_SRLI 0xec03 ++#define MATCH_C_SRAI 0x8401 ++#define MASK_C_SRAI 0xec03 ++#define MATCH_C_ANDI 0x8801 ++#define MASK_C_ANDI 0xec03 ++#define MATCH_C_SUB 0x8c01 ++#define MASK_C_SUB 0xfc63 ++#define MATCH_C_XOR 0x8c21 ++#define MASK_C_XOR 0xfc63 ++#define MATCH_C_OR 0x8c41 ++#define MASK_C_OR 0xfc63 ++#define MATCH_C_AND 0x8c61 ++#define MASK_C_AND 0xfc63 ++#define MATCH_C_SUBW 0x9c01 ++#define MASK_C_SUBW 0xfc63 ++#define MATCH_C_ADDW 0x9c21 ++#define MASK_C_ADDW 0xfc63 ++#define MATCH_C_J 0xa001 ++#define MASK_C_J 0xe003 ++#define MATCH_C_BEQZ 0xc001 ++#define MASK_C_BEQZ 0xe003 ++#define MATCH_C_BNEZ 0xe001 ++#define MASK_C_BNEZ 0xe003 ++#define MATCH_C_SLLI 0x2 ++#define MASK_C_SLLI 0xe003 ++#define MATCH_C_FLDSP 0x2002 ++#define MASK_C_FLDSP 0xe003 ++#define MATCH_C_LWSP 0x4002 ++#define MASK_C_LWSP 0xe003 ++#define MATCH_C_FLWSP 0x6002 ++#define MASK_C_FLWSP 0xe003 ++#define MATCH_C_MV 0x8002 ++#define MASK_C_MV 0xf003 ++#define MATCH_C_ADD 0x9002 ++#define MASK_C_ADD 0xf003 ++#define MATCH_C_FSDSP 0xa002 ++#define MASK_C_FSDSP 0xe003 ++#define MATCH_C_SWSP 0xc002 ++#define MASK_C_SWSP 0xe003 ++#define MATCH_C_FSWSP 0xe002 ++#define MASK_C_FSWSP 0xe003 ++#define MATCH_C_NOP 0x1 ++#define MASK_C_NOP 0xffff ++#define MATCH_C_ADDI16SP 0x6101 ++#define MASK_C_ADDI16SP 0xef83 ++#define MATCH_C_JR 0x8002 ++#define MASK_C_JR 0xf07f ++#define MATCH_C_JALR 0x9002 ++#define MASK_C_JALR 0xf07f ++#define MATCH_C_EBREAK 0x9002 ++#define MASK_C_EBREAK 0xffff ++#define MATCH_C_LD 0x6000 ++#define MASK_C_LD 0xe003 ++#define MATCH_C_SD 0xe000 ++#define MASK_C_SD 0xe003 ++#define MATCH_C_ADDIW 0x2001 ++#define MASK_C_ADDIW 0xe003 ++#define MATCH_C_LDSP 0x6002 ++#define MASK_C_LDSP 0xe003 ++#define MATCH_C_SDSP 0xe002 ++#define MASK_C_SDSP 0xe003 ++#define MATCH_CUSTOM0 0xb ++#define MASK_CUSTOM0 0x707f ++#define MATCH_CUSTOM0_RS1 0x200b ++#define MASK_CUSTOM0_RS1 0x707f ++#define MATCH_CUSTOM0_RS1_RS2 0x300b ++#define MASK_CUSTOM0_RS1_RS2 0x707f ++#define MATCH_CUSTOM0_RD 0x400b ++#define MASK_CUSTOM0_RD 0x707f ++#define MATCH_CUSTOM0_RD_RS1 0x600b ++#define MASK_CUSTOM0_RD_RS1 0x707f ++#define MATCH_CUSTOM0_RD_RS1_RS2 0x700b ++#define MASK_CUSTOM0_RD_RS1_RS2 0x707f ++#define MATCH_CUSTOM1 0x2b ++#define MASK_CUSTOM1 0x707f ++#define MATCH_CUSTOM1_RS1 0x202b ++#define MASK_CUSTOM1_RS1 0x707f ++#define MATCH_CUSTOM1_RS1_RS2 0x302b ++#define MASK_CUSTOM1_RS1_RS2 0x707f ++#define MATCH_CUSTOM1_RD 0x402b ++#define MASK_CUSTOM1_RD 0x707f ++#define MATCH_CUSTOM1_RD_RS1 0x602b ++#define MASK_CUSTOM1_RD_RS1 0x707f ++#define MATCH_CUSTOM1_RD_RS1_RS2 0x702b ++#define MASK_CUSTOM1_RD_RS1_RS2 0x707f ++#define MATCH_CUSTOM2 0x5b ++#define MASK_CUSTOM2 0x707f ++#define MATCH_CUSTOM2_RS1 0x205b ++#define MASK_CUSTOM2_RS1 0x707f ++#define MATCH_CUSTOM2_RS1_RS2 0x305b ++#define MASK_CUSTOM2_RS1_RS2 0x707f ++#define MATCH_CUSTOM2_RD 0x405b ++#define MASK_CUSTOM2_RD 0x707f ++#define MATCH_CUSTOM2_RD_RS1 0x605b ++#define MASK_CUSTOM2_RD_RS1 0x707f ++#define MATCH_CUSTOM2_RD_RS1_RS2 0x705b ++#define MASK_CUSTOM2_RD_RS1_RS2 0x707f ++#define MATCH_CUSTOM3 0x7b ++#define MASK_CUSTOM3 0x707f ++#define MATCH_CUSTOM3_RS1 0x207b ++#define MASK_CUSTOM3_RS1 0x707f ++#define MATCH_CUSTOM3_RS1_RS2 0x307b ++#define MASK_CUSTOM3_RS1_RS2 0x707f ++#define MATCH_CUSTOM3_RD 0x407b ++#define MASK_CUSTOM3_RD 0x707f ++#define MATCH_CUSTOM3_RD_RS1 0x607b ++#define MASK_CUSTOM3_RD_RS1 0x707f ++#define MATCH_CUSTOM3_RD_RS1_RS2 0x707b ++#define MASK_CUSTOM3_RD_RS1_RS2 0x707f ++#define CSR_FFLAGS 0x1 ++#define CSR_FRM 0x2 ++#define CSR_FCSR 0x3 ++#define CSR_CYCLE 0xc00 ++#define CSR_TIME 0xc01 ++#define CSR_INSTRET 0xc02 ++#define CSR_STATS 0xc0 ++#define CSR_UARCH0 0xcc0 ++#define CSR_UARCH1 0xcc1 ++#define CSR_UARCH2 0xcc2 ++#define CSR_UARCH3 0xcc3 ++#define CSR_UARCH4 0xcc4 ++#define CSR_UARCH5 0xcc5 ++#define CSR_UARCH6 0xcc6 ++#define CSR_UARCH7 0xcc7 ++#define CSR_UARCH8 0xcc8 ++#define CSR_UARCH9 0xcc9 ++#define CSR_UARCH10 0xcca ++#define CSR_UARCH11 0xccb ++#define CSR_UARCH12 0xccc ++#define CSR_UARCH13 0xccd ++#define CSR_UARCH14 0xcce ++#define CSR_UARCH15 0xccf ++#define CSR_SSTATUS 0x100 ++#define CSR_SIE 0x104 ++#define CSR_STVEC 0x105 ++#define CSR_SSCRATCH 0x140 ++#define CSR_SEPC 0x141 ++#define CSR_SCAUSE 0x142 ++#define CSR_SBADADDR 0x143 ++#define CSR_SIP 0x144 ++#define CSR_SPTBR 0x180 ++#define CSR_SASID 0x181 ++#define CSR_SCYCLE 0xd00 ++#define CSR_STIME 0xd01 ++#define CSR_SINSTRET 0xd02 ++#define CSR_MSTATUS 0x300 ++#define CSR_MEDELEG 0x302 ++#define CSR_MIDELEG 0x303 ++#define CSR_MIE 0x304 ++#define CSR_MTVEC 0x305 ++#define CSR_MTIMECMP 0x321 ++#define CSR_MSCRATCH 0x340 ++#define CSR_MEPC 0x341 ++#define CSR_MCAUSE 0x342 ++#define CSR_MBADADDR 0x343 ++#define CSR_MIP 0x344 ++#define CSR_MIPI 0x345 ++#define CSR_MUCOUNTEREN 0x310 ++#define CSR_MSCOUNTEREN 0x311 ++#define CSR_MUCYCLE_DELTA 0x700 ++#define CSR_MUTIME_DELTA 0x701 ++#define CSR_MUINSTRET_DELTA 0x702 ++#define CSR_MSCYCLE_DELTA 0x704 ++#define CSR_MSTIME_DELTA 0x705 ++#define CSR_MSINSTRET_DELTA 0x706 ++#define CSR_MCYCLE 0xf00 ++#define CSR_MTIME 0xf01 ++#define CSR_MINSTRET 0xf02 ++#define CSR_MISA 0xf10 ++#define CSR_MVENDORID 0xf11 ++#define CSR_MARCHID 0xf12 ++#define CSR_MIMPID 0xf13 ++#define CSR_MCFGADDR 0xf14 ++#define CSR_MHARTID 0xf15 ++#define CSR_MTOHOST 0x7c0 ++#define CSR_MFROMHOST 0x7c1 ++#define CSR_MRESET 0x7c2 ++#define CSR_CYCLEH 0xc80 ++#define CSR_TIMEH 0xc81 ++#define CSR_INSTRETH 0xc82 ++#define CSR_MTIMECMPH 0x361 ++#define CSR_MUCYCLE_DELTAH 0x780 ++#define CSR_MUTIME_DELTAH 0x781 ++#define CSR_MUINSTRET_DELTAH 0x782 ++#define CSR_MSCYCLE_DELTAH 0x784 ++#define CSR_MSTIME_DELTAH 0x785 ++#define CSR_MSINSTRET_DELTAH 0x786 ++#define CSR_MCYCLEH 0xf80 ++#define CSR_MTIMEH 0xf81 ++#define CSR_MINSTRETH 0xf82 ++#define CAUSE_MISALIGNED_FETCH 0x0 ++#define CAUSE_FAULT_FETCH 0x1 ++#define CAUSE_ILLEGAL_INSTRUCTION 0x2 ++#define CAUSE_BREAKPOINT 0x3 ++#define CAUSE_MISALIGNED_LOAD 0x4 ++#define CAUSE_FAULT_LOAD 0x5 ++#define CAUSE_MISALIGNED_STORE 0x6 ++#define CAUSE_FAULT_STORE 0x7 ++#define CAUSE_USER_ECALL 0x8 ++#define CAUSE_SUPERVISOR_ECALL 0x9 ++#define CAUSE_HYPERVISOR_ECALL 0xa ++#define CAUSE_MACHINE_ECALL 0xb ++#endif ++#ifdef DECLARE_INSN ++DECLARE_INSN(slli_rv32, MATCH_SLLI_RV32, MASK_SLLI_RV32) ++DECLARE_INSN(srli_rv32, MATCH_SRLI_RV32, MASK_SRLI_RV32) ++DECLARE_INSN(srai_rv32, MATCH_SRAI_RV32, MASK_SRAI_RV32) ++DECLARE_INSN(frflags, MATCH_FRFLAGS, MASK_FRFLAGS) ++DECLARE_INSN(fsflags, MATCH_FSFLAGS, MASK_FSFLAGS) ++DECLARE_INSN(fsflagsi, MATCH_FSFLAGSI, MASK_FSFLAGSI) ++DECLARE_INSN(frrm, MATCH_FRRM, MASK_FRRM) ++DECLARE_INSN(fsrm, MATCH_FSRM, MASK_FSRM) ++DECLARE_INSN(fsrmi, MATCH_FSRMI, MASK_FSRMI) ++DECLARE_INSN(fscsr, MATCH_FSCSR, MASK_FSCSR) ++DECLARE_INSN(frcsr, MATCH_FRCSR, MASK_FRCSR) ++DECLARE_INSN(rdcycle, MATCH_RDCYCLE, MASK_RDCYCLE) ++DECLARE_INSN(rdtime, MATCH_RDTIME, MASK_RDTIME) ++DECLARE_INSN(rdinstret, MATCH_RDINSTRET, MASK_RDINSTRET) ++DECLARE_INSN(rdcycleh, MATCH_RDCYCLEH, MASK_RDCYCLEH) ++DECLARE_INSN(rdtimeh, MATCH_RDTIMEH, MASK_RDTIMEH) ++DECLARE_INSN(rdinstreth, MATCH_RDINSTRETH, MASK_RDINSTRETH) ++DECLARE_INSN(ecall, MATCH_ECALL, MASK_ECALL) ++DECLARE_INSN(ebreak, MATCH_EBREAK, MASK_EBREAK) ++DECLARE_INSN(eret, MATCH_ERET, MASK_ERET) ++DECLARE_INSN(beq, MATCH_BEQ, MASK_BEQ) ++DECLARE_INSN(bne, MATCH_BNE, MASK_BNE) ++DECLARE_INSN(blt, MATCH_BLT, MASK_BLT) ++DECLARE_INSN(bge, MATCH_BGE, MASK_BGE) ++DECLARE_INSN(bltu, MATCH_BLTU, MASK_BLTU) ++DECLARE_INSN(bgeu, MATCH_BGEU, MASK_BGEU) ++DECLARE_INSN(jalr, MATCH_JALR, MASK_JALR) ++DECLARE_INSN(jal, MATCH_JAL, MASK_JAL) ++DECLARE_INSN(lui, MATCH_LUI, MASK_LUI) ++DECLARE_INSN(auipc, MATCH_AUIPC, MASK_AUIPC) ++DECLARE_INSN(addi, MATCH_ADDI, MASK_ADDI) ++DECLARE_INSN(slli, MATCH_SLLI, MASK_SLLI) ++DECLARE_INSN(slti, MATCH_SLTI, MASK_SLTI) ++DECLARE_INSN(sltiu, MATCH_SLTIU, MASK_SLTIU) ++DECLARE_INSN(xori, MATCH_XORI, MASK_XORI) ++DECLARE_INSN(srli, MATCH_SRLI, MASK_SRLI) ++DECLARE_INSN(srai, MATCH_SRAI, MASK_SRAI) ++DECLARE_INSN(ori, MATCH_ORI, MASK_ORI) ++DECLARE_INSN(andi, MATCH_ANDI, MASK_ANDI) ++DECLARE_INSN(add, MATCH_ADD, MASK_ADD) ++DECLARE_INSN(sub, MATCH_SUB, MASK_SUB) ++DECLARE_INSN(sll, MATCH_SLL, MASK_SLL) ++DECLARE_INSN(slt, MATCH_SLT, MASK_SLT) ++DECLARE_INSN(sltu, MATCH_SLTU, MASK_SLTU) ++DECLARE_INSN(xor, MATCH_XOR, MASK_XOR) ++DECLARE_INSN(srl, MATCH_SRL, MASK_SRL) ++DECLARE_INSN(sra, MATCH_SRA, MASK_SRA) ++DECLARE_INSN(or, MATCH_OR, MASK_OR) ++DECLARE_INSN(and, MATCH_AND, MASK_AND) ++DECLARE_INSN(addiw, MATCH_ADDIW, MASK_ADDIW) ++DECLARE_INSN(slliw, MATCH_SLLIW, MASK_SLLIW) ++DECLARE_INSN(srliw, MATCH_SRLIW, MASK_SRLIW) ++DECLARE_INSN(sraiw, MATCH_SRAIW, MASK_SRAIW) ++DECLARE_INSN(addw, MATCH_ADDW, MASK_ADDW) ++DECLARE_INSN(subw, MATCH_SUBW, MASK_SUBW) ++DECLARE_INSN(sllw, MATCH_SLLW, MASK_SLLW) ++DECLARE_INSN(srlw, MATCH_SRLW, MASK_SRLW) ++DECLARE_INSN(sraw, MATCH_SRAW, MASK_SRAW) ++DECLARE_INSN(lb, MATCH_LB, MASK_LB) ++DECLARE_INSN(lh, MATCH_LH, MASK_LH) ++DECLARE_INSN(lw, MATCH_LW, MASK_LW) ++DECLARE_INSN(ld, MATCH_LD, MASK_LD) ++DECLARE_INSN(lbu, MATCH_LBU, MASK_LBU) ++DECLARE_INSN(lhu, MATCH_LHU, MASK_LHU) ++DECLARE_INSN(lwu, MATCH_LWU, MASK_LWU) ++DECLARE_INSN(sb, MATCH_SB, MASK_SB) ++DECLARE_INSN(sh, MATCH_SH, MASK_SH) ++DECLARE_INSN(sw, MATCH_SW, MASK_SW) ++DECLARE_INSN(sd, MATCH_SD, MASK_SD) ++DECLARE_INSN(fence, MATCH_FENCE, MASK_FENCE) ++DECLARE_INSN(fence_i, MATCH_FENCE_I, MASK_FENCE_I) ++DECLARE_INSN(mul, MATCH_MUL, MASK_MUL) ++DECLARE_INSN(mulh, MATCH_MULH, MASK_MULH) ++DECLARE_INSN(mulhsu, MATCH_MULHSU, MASK_MULHSU) ++DECLARE_INSN(mulhu, MATCH_MULHU, MASK_MULHU) ++DECLARE_INSN(div, MATCH_DIV, MASK_DIV) ++DECLARE_INSN(divu, MATCH_DIVU, MASK_DIVU) ++DECLARE_INSN(rem, MATCH_REM, MASK_REM) ++DECLARE_INSN(remu, MATCH_REMU, MASK_REMU) ++DECLARE_INSN(mulw, MATCH_MULW, MASK_MULW) ++DECLARE_INSN(divw, MATCH_DIVW, MASK_DIVW) ++DECLARE_INSN(divuw, MATCH_DIVUW, MASK_DIVUW) ++DECLARE_INSN(remw, MATCH_REMW, MASK_REMW) ++DECLARE_INSN(remuw, MATCH_REMUW, MASK_REMUW) ++DECLARE_INSN(amoadd_w, MATCH_AMOADD_W, MASK_AMOADD_W) ++DECLARE_INSN(amoxor_w, MATCH_AMOXOR_W, MASK_AMOXOR_W) ++DECLARE_INSN(amoor_w, MATCH_AMOOR_W, MASK_AMOOR_W) ++DECLARE_INSN(amoand_w, MATCH_AMOAND_W, MASK_AMOAND_W) ++DECLARE_INSN(amomin_w, MATCH_AMOMIN_W, MASK_AMOMIN_W) ++DECLARE_INSN(amomax_w, MATCH_AMOMAX_W, MASK_AMOMAX_W) ++DECLARE_INSN(amominu_w, MATCH_AMOMINU_W, MASK_AMOMINU_W) ++DECLARE_INSN(amomaxu_w, MATCH_AMOMAXU_W, MASK_AMOMAXU_W) ++DECLARE_INSN(amoswap_w, MATCH_AMOSWAP_W, MASK_AMOSWAP_W) ++DECLARE_INSN(lr_w, MATCH_LR_W, MASK_LR_W) ++DECLARE_INSN(sc_w, MATCH_SC_W, MASK_SC_W) ++DECLARE_INSN(amoadd_d, MATCH_AMOADD_D, MASK_AMOADD_D) ++DECLARE_INSN(amoxor_d, MATCH_AMOXOR_D, MASK_AMOXOR_D) ++DECLARE_INSN(amoor_d, MATCH_AMOOR_D, MASK_AMOOR_D) ++DECLARE_INSN(amoand_d, MATCH_AMOAND_D, MASK_AMOAND_D) ++DECLARE_INSN(amomin_d, MATCH_AMOMIN_D, MASK_AMOMIN_D) ++DECLARE_INSN(amomax_d, MATCH_AMOMAX_D, MASK_AMOMAX_D) ++DECLARE_INSN(amominu_d, MATCH_AMOMINU_D, MASK_AMOMINU_D) ++DECLARE_INSN(amomaxu_d, MATCH_AMOMAXU_D, MASK_AMOMAXU_D) ++DECLARE_INSN(amoswap_d, MATCH_AMOSWAP_D, MASK_AMOSWAP_D) ++DECLARE_INSN(lr_d, MATCH_LR_D, MASK_LR_D) ++DECLARE_INSN(sc_d, MATCH_SC_D, MASK_SC_D) ++DECLARE_INSN(scall, MATCH_SCALL, MASK_SCALL) ++DECLARE_INSN(sbreak, MATCH_SBREAK, MASK_SBREAK) ++DECLARE_INSN(sret, MATCH_SRET, MASK_SRET) ++DECLARE_INSN(sfence_vm, MATCH_SFENCE_VM, MASK_SFENCE_VM) ++DECLARE_INSN(wfi, MATCH_WFI, MASK_WFI) ++DECLARE_INSN(csrrw, MATCH_CSRRW, MASK_CSRRW) ++DECLARE_INSN(csrrs, MATCH_CSRRS, MASK_CSRRS) ++DECLARE_INSN(csrrc, MATCH_CSRRC, MASK_CSRRC) ++DECLARE_INSN(csrrwi, MATCH_CSRRWI, MASK_CSRRWI) ++DECLARE_INSN(csrrsi, MATCH_CSRRSI, MASK_CSRRSI) ++DECLARE_INSN(csrrci, MATCH_CSRRCI, MASK_CSRRCI) ++DECLARE_INSN(fadd_s, MATCH_FADD_S, MASK_FADD_S) ++DECLARE_INSN(fsub_s, MATCH_FSUB_S, MASK_FSUB_S) ++DECLARE_INSN(fmul_s, MATCH_FMUL_S, MASK_FMUL_S) ++DECLARE_INSN(fdiv_s, MATCH_FDIV_S, MASK_FDIV_S) ++DECLARE_INSN(fsgnj_s, MATCH_FSGNJ_S, MASK_FSGNJ_S) ++DECLARE_INSN(fsgnjn_s, MATCH_FSGNJN_S, MASK_FSGNJN_S) ++DECLARE_INSN(fsgnjx_s, MATCH_FSGNJX_S, MASK_FSGNJX_S) ++DECLARE_INSN(fmin_s, MATCH_FMIN_S, MASK_FMIN_S) ++DECLARE_INSN(fmax_s, MATCH_FMAX_S, MASK_FMAX_S) ++DECLARE_INSN(fsqrt_s, MATCH_FSQRT_S, MASK_FSQRT_S) ++DECLARE_INSN(fadd_d, MATCH_FADD_D, MASK_FADD_D) ++DECLARE_INSN(fsub_d, MATCH_FSUB_D, MASK_FSUB_D) ++DECLARE_INSN(fmul_d, MATCH_FMUL_D, MASK_FMUL_D) ++DECLARE_INSN(fdiv_d, MATCH_FDIV_D, MASK_FDIV_D) ++DECLARE_INSN(fsgnj_d, MATCH_FSGNJ_D, MASK_FSGNJ_D) ++DECLARE_INSN(fsgnjn_d, MATCH_FSGNJN_D, MASK_FSGNJN_D) ++DECLARE_INSN(fsgnjx_d, MATCH_FSGNJX_D, MASK_FSGNJX_D) ++DECLARE_INSN(fmin_d, MATCH_FMIN_D, MASK_FMIN_D) ++DECLARE_INSN(fmax_d, MATCH_FMAX_D, MASK_FMAX_D) ++DECLARE_INSN(fcvt_s_d, MATCH_FCVT_S_D, MASK_FCVT_S_D) ++DECLARE_INSN(fcvt_d_s, MATCH_FCVT_D_S, MASK_FCVT_D_S) ++DECLARE_INSN(fsqrt_d, MATCH_FSQRT_D, MASK_FSQRT_D) ++DECLARE_INSN(fle_s, MATCH_FLE_S, MASK_FLE_S) ++DECLARE_INSN(flt_s, MATCH_FLT_S, MASK_FLT_S) ++DECLARE_INSN(feq_s, MATCH_FEQ_S, MASK_FEQ_S) ++DECLARE_INSN(fle_d, MATCH_FLE_D, MASK_FLE_D) ++DECLARE_INSN(flt_d, MATCH_FLT_D, MASK_FLT_D) ++DECLARE_INSN(feq_d, MATCH_FEQ_D, MASK_FEQ_D) ++DECLARE_INSN(fcvt_w_s, MATCH_FCVT_W_S, MASK_FCVT_W_S) ++DECLARE_INSN(fcvt_wu_s, MATCH_FCVT_WU_S, MASK_FCVT_WU_S) ++DECLARE_INSN(fcvt_l_s, MATCH_FCVT_L_S, MASK_FCVT_L_S) ++DECLARE_INSN(fcvt_lu_s, MATCH_FCVT_LU_S, MASK_FCVT_LU_S) ++DECLARE_INSN(fmv_x_s, MATCH_FMV_X_S, MASK_FMV_X_S) ++DECLARE_INSN(fclass_s, MATCH_FCLASS_S, MASK_FCLASS_S) ++DECLARE_INSN(fcvt_w_d, MATCH_FCVT_W_D, MASK_FCVT_W_D) ++DECLARE_INSN(fcvt_wu_d, MATCH_FCVT_WU_D, MASK_FCVT_WU_D) ++DECLARE_INSN(fcvt_l_d, MATCH_FCVT_L_D, MASK_FCVT_L_D) ++DECLARE_INSN(fcvt_lu_d, MATCH_FCVT_LU_D, MASK_FCVT_LU_D) ++DECLARE_INSN(fmv_x_d, MATCH_FMV_X_D, MASK_FMV_X_D) ++DECLARE_INSN(fclass_d, MATCH_FCLASS_D, MASK_FCLASS_D) ++DECLARE_INSN(fcvt_s_w, MATCH_FCVT_S_W, MASK_FCVT_S_W) ++DECLARE_INSN(fcvt_s_wu, MATCH_FCVT_S_WU, MASK_FCVT_S_WU) ++DECLARE_INSN(fcvt_s_l, MATCH_FCVT_S_L, MASK_FCVT_S_L) ++DECLARE_INSN(fcvt_s_lu, MATCH_FCVT_S_LU, MASK_FCVT_S_LU) ++DECLARE_INSN(fmv_s_x, MATCH_FMV_S_X, MASK_FMV_S_X) ++DECLARE_INSN(fcvt_d_w, MATCH_FCVT_D_W, MASK_FCVT_D_W) ++DECLARE_INSN(fcvt_d_wu, MATCH_FCVT_D_WU, MASK_FCVT_D_WU) ++DECLARE_INSN(fcvt_d_l, MATCH_FCVT_D_L, MASK_FCVT_D_L) ++DECLARE_INSN(fcvt_d_lu, MATCH_FCVT_D_LU, MASK_FCVT_D_LU) ++DECLARE_INSN(fmv_d_x, MATCH_FMV_D_X, MASK_FMV_D_X) ++DECLARE_INSN(flw, MATCH_FLW, MASK_FLW) ++DECLARE_INSN(fld, MATCH_FLD, MASK_FLD) ++DECLARE_INSN(fsw, MATCH_FSW, MASK_FSW) ++DECLARE_INSN(fsd, MATCH_FSD, MASK_FSD) ++DECLARE_INSN(fmadd_s, MATCH_FMADD_S, MASK_FMADD_S) ++DECLARE_INSN(fmsub_s, MATCH_FMSUB_S, MASK_FMSUB_S) ++DECLARE_INSN(fnmsub_s, MATCH_FNMSUB_S, MASK_FNMSUB_S) ++DECLARE_INSN(fnmadd_s, MATCH_FNMADD_S, MASK_FNMADD_S) ++DECLARE_INSN(fmadd_d, MATCH_FMADD_D, MASK_FMADD_D) ++DECLARE_INSN(fmsub_d, MATCH_FMSUB_D, MASK_FMSUB_D) ++DECLARE_INSN(fnmsub_d, MATCH_FNMSUB_D, MASK_FNMSUB_D) ++DECLARE_INSN(fnmadd_d, MATCH_FNMADD_D, MASK_FNMADD_D) ++DECLARE_INSN(c_addi4spn, MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN) ++DECLARE_INSN(c_fld, MATCH_C_FLD, MASK_C_FLD) ++DECLARE_INSN(c_lw, MATCH_C_LW, MASK_C_LW) ++DECLARE_INSN(c_flw, MATCH_C_FLW, MASK_C_FLW) ++DECLARE_INSN(c_fsd, MATCH_C_FSD, MASK_C_FSD) ++DECLARE_INSN(c_sw, MATCH_C_SW, MASK_C_SW) ++DECLARE_INSN(c_fsw, MATCH_C_FSW, MASK_C_FSW) ++DECLARE_INSN(c_addi, MATCH_C_ADDI, MASK_C_ADDI) ++DECLARE_INSN(c_jal, MATCH_C_JAL, MASK_C_JAL) ++DECLARE_INSN(c_li, MATCH_C_LI, MASK_C_LI) ++DECLARE_INSN(c_lui, MATCH_C_LUI, MASK_C_LUI) ++DECLARE_INSN(c_srli, MATCH_C_SRLI, MASK_C_SRLI) ++DECLARE_INSN(c_srai, MATCH_C_SRAI, MASK_C_SRAI) ++DECLARE_INSN(c_andi, MATCH_C_ANDI, MASK_C_ANDI) ++DECLARE_INSN(c_sub, MATCH_C_SUB, MASK_C_SUB) ++DECLARE_INSN(c_xor, MATCH_C_XOR, MASK_C_XOR) ++DECLARE_INSN(c_or, MATCH_C_OR, MASK_C_OR) ++DECLARE_INSN(c_and, MATCH_C_AND, MASK_C_AND) ++DECLARE_INSN(c_subw, MATCH_C_SUBW, MASK_C_SUBW) ++DECLARE_INSN(c_addw, MATCH_C_ADDW, MASK_C_ADDW) ++DECLARE_INSN(c_j, MATCH_C_J, MASK_C_J) ++DECLARE_INSN(c_beqz, MATCH_C_BEQZ, MASK_C_BEQZ) ++DECLARE_INSN(c_bnez, MATCH_C_BNEZ, MASK_C_BNEZ) ++DECLARE_INSN(c_slli, MATCH_C_SLLI, MASK_C_SLLI) ++DECLARE_INSN(c_fldsp, MATCH_C_FLDSP, MASK_C_FLDSP) ++DECLARE_INSN(c_lwsp, MATCH_C_LWSP, MASK_C_LWSP) ++DECLARE_INSN(c_flwsp, MATCH_C_FLWSP, MASK_C_FLWSP) ++DECLARE_INSN(c_mv, MATCH_C_MV, MASK_C_MV) ++DECLARE_INSN(c_add, MATCH_C_ADD, MASK_C_ADD) ++DECLARE_INSN(c_fsdsp, MATCH_C_FSDSP, MASK_C_FSDSP) ++DECLARE_INSN(c_swsp, MATCH_C_SWSP, MASK_C_SWSP) ++DECLARE_INSN(c_fswsp, MATCH_C_FSWSP, MASK_C_FSWSP) ++DECLARE_INSN(c_nop, MATCH_C_NOP, MASK_C_NOP) ++DECLARE_INSN(c_addi16sp, MATCH_C_ADDI16SP, MASK_C_ADDI16SP) ++DECLARE_INSN(c_jr, MATCH_C_JR, MASK_C_JR) ++DECLARE_INSN(c_jalr, MATCH_C_JALR, MASK_C_JALR) ++DECLARE_INSN(c_ebreak, MATCH_C_EBREAK, MASK_C_EBREAK) ++DECLARE_INSN(c_ld, MATCH_C_LD, MASK_C_LD) ++DECLARE_INSN(c_sd, MATCH_C_SD, MASK_C_SD) ++DECLARE_INSN(c_addiw, MATCH_C_ADDIW, MASK_C_ADDIW) ++DECLARE_INSN(c_ldsp, MATCH_C_LDSP, MASK_C_LDSP) ++DECLARE_INSN(c_sdsp, MATCH_C_SDSP, MASK_C_SDSP) ++DECLARE_INSN(custom0, MATCH_CUSTOM0, MASK_CUSTOM0) ++DECLARE_INSN(custom0_rs1, MATCH_CUSTOM0_RS1, MASK_CUSTOM0_RS1) ++DECLARE_INSN(custom0_rs1_rs2, MATCH_CUSTOM0_RS1_RS2, MASK_CUSTOM0_RS1_RS2) ++DECLARE_INSN(custom0_rd, MATCH_CUSTOM0_RD, MASK_CUSTOM0_RD) ++DECLARE_INSN(custom0_rd_rs1, MATCH_CUSTOM0_RD_RS1, MASK_CUSTOM0_RD_RS1) ++DECLARE_INSN(custom0_rd_rs1_rs2, MATCH_CUSTOM0_RD_RS1_RS2, MASK_CUSTOM0_RD_RS1_RS2) ++DECLARE_INSN(custom1, MATCH_CUSTOM1, MASK_CUSTOM1) ++DECLARE_INSN(custom1_rs1, MATCH_CUSTOM1_RS1, MASK_CUSTOM1_RS1) ++DECLARE_INSN(custom1_rs1_rs2, MATCH_CUSTOM1_RS1_RS2, MASK_CUSTOM1_RS1_RS2) ++DECLARE_INSN(custom1_rd, MATCH_CUSTOM1_RD, MASK_CUSTOM1_RD) ++DECLARE_INSN(custom1_rd_rs1, MATCH_CUSTOM1_RD_RS1, MASK_CUSTOM1_RD_RS1) ++DECLARE_INSN(custom1_rd_rs1_rs2, MATCH_CUSTOM1_RD_RS1_RS2, MASK_CUSTOM1_RD_RS1_RS2) ++DECLARE_INSN(custom2, MATCH_CUSTOM2, MASK_CUSTOM2) ++DECLARE_INSN(custom2_rs1, MATCH_CUSTOM2_RS1, MASK_CUSTOM2_RS1) ++DECLARE_INSN(custom2_rs1_rs2, MATCH_CUSTOM2_RS1_RS2, MASK_CUSTOM2_RS1_RS2) ++DECLARE_INSN(custom2_rd, MATCH_CUSTOM2_RD, MASK_CUSTOM2_RD) ++DECLARE_INSN(custom2_rd_rs1, MATCH_CUSTOM2_RD_RS1, MASK_CUSTOM2_RD_RS1) ++DECLARE_INSN(custom2_rd_rs1_rs2, MATCH_CUSTOM2_RD_RS1_RS2, MASK_CUSTOM2_RD_RS1_RS2) ++DECLARE_INSN(custom3, MATCH_CUSTOM3, MASK_CUSTOM3) ++DECLARE_INSN(custom3_rs1, MATCH_CUSTOM3_RS1, MASK_CUSTOM3_RS1) ++DECLARE_INSN(custom3_rs1_rs2, MATCH_CUSTOM3_RS1_RS2, MASK_CUSTOM3_RS1_RS2) ++DECLARE_INSN(custom3_rd, MATCH_CUSTOM3_RD, MASK_CUSTOM3_RD) ++DECLARE_INSN(custom3_rd_rs1, MATCH_CUSTOM3_RD_RS1, MASK_CUSTOM3_RD_RS1) ++DECLARE_INSN(custom3_rd_rs1_rs2, MATCH_CUSTOM3_RD_RS1_RS2, MASK_CUSTOM3_RD_RS1_RS2) ++#endif ++#ifdef DECLARE_CSR ++DECLARE_CSR(fflags, CSR_FFLAGS) ++DECLARE_CSR(frm, CSR_FRM) ++DECLARE_CSR(fcsr, CSR_FCSR) ++DECLARE_CSR(cycle, CSR_CYCLE) ++DECLARE_CSR(time, CSR_TIME) ++DECLARE_CSR(instret, CSR_INSTRET) ++DECLARE_CSR(stats, CSR_STATS) ++DECLARE_CSR(uarch0, CSR_UARCH0) ++DECLARE_CSR(uarch1, CSR_UARCH1) ++DECLARE_CSR(uarch2, CSR_UARCH2) ++DECLARE_CSR(uarch3, CSR_UARCH3) ++DECLARE_CSR(uarch4, CSR_UARCH4) ++DECLARE_CSR(uarch5, CSR_UARCH5) ++DECLARE_CSR(uarch6, CSR_UARCH6) ++DECLARE_CSR(uarch7, CSR_UARCH7) ++DECLARE_CSR(uarch8, CSR_UARCH8) ++DECLARE_CSR(uarch9, CSR_UARCH9) ++DECLARE_CSR(uarch10, CSR_UARCH10) ++DECLARE_CSR(uarch11, CSR_UARCH11) ++DECLARE_CSR(uarch12, CSR_UARCH12) ++DECLARE_CSR(uarch13, CSR_UARCH13) ++DECLARE_CSR(uarch14, CSR_UARCH14) ++DECLARE_CSR(uarch15, CSR_UARCH15) ++DECLARE_CSR(sstatus, CSR_SSTATUS) ++DECLARE_CSR(sie, CSR_SIE) ++DECLARE_CSR(stvec, CSR_STVEC) ++DECLARE_CSR(sscratch, CSR_SSCRATCH) ++DECLARE_CSR(sepc, CSR_SEPC) ++DECLARE_CSR(scause, CSR_SCAUSE) ++DECLARE_CSR(sbadaddr, CSR_SBADADDR) ++DECLARE_CSR(sip, CSR_SIP) ++DECLARE_CSR(sptbr, CSR_SPTBR) ++DECLARE_CSR(sasid, CSR_SASID) ++DECLARE_CSR(scycle, CSR_SCYCLE) ++DECLARE_CSR(stime, CSR_STIME) ++DECLARE_CSR(sinstret, CSR_SINSTRET) ++DECLARE_CSR(mstatus, CSR_MSTATUS) ++DECLARE_CSR(medeleg, CSR_MEDELEG) ++DECLARE_CSR(mideleg, CSR_MIDELEG) ++DECLARE_CSR(mie, CSR_MIE) ++DECLARE_CSR(mtvec, CSR_MTVEC) ++DECLARE_CSR(mtimecmp, CSR_MTIMECMP) ++DECLARE_CSR(mscratch, CSR_MSCRATCH) ++DECLARE_CSR(mepc, CSR_MEPC) ++DECLARE_CSR(mcause, CSR_MCAUSE) ++DECLARE_CSR(mbadaddr, CSR_MBADADDR) ++DECLARE_CSR(mip, CSR_MIP) ++DECLARE_CSR(mipi, CSR_MIPI) ++DECLARE_CSR(mucounteren, CSR_MUCOUNTEREN) ++DECLARE_CSR(mscounteren, CSR_MSCOUNTEREN) ++DECLARE_CSR(mucycle_delta, CSR_MUCYCLE_DELTA) ++DECLARE_CSR(mutime_delta, CSR_MUTIME_DELTA) ++DECLARE_CSR(muinstret_delta, CSR_MUINSTRET_DELTA) ++DECLARE_CSR(mscycle_delta, CSR_MSCYCLE_DELTA) ++DECLARE_CSR(mstime_delta, CSR_MSTIME_DELTA) ++DECLARE_CSR(msinstret_delta, CSR_MSINSTRET_DELTA) ++DECLARE_CSR(mcycle, CSR_MCYCLE) ++DECLARE_CSR(mtime, CSR_MTIME) ++DECLARE_CSR(minstret, CSR_MINSTRET) ++DECLARE_CSR(misa, CSR_MISA) ++DECLARE_CSR(mvendorid, CSR_MVENDORID) ++DECLARE_CSR(marchid, CSR_MARCHID) ++DECLARE_CSR(mimpid, CSR_MIMPID) ++DECLARE_CSR(mcfgaddr, CSR_MCFGADDR) ++DECLARE_CSR(mhartid, CSR_MHARTID) ++DECLARE_CSR(mtohost, CSR_MTOHOST) ++DECLARE_CSR(mfromhost, CSR_MFROMHOST) ++DECLARE_CSR(mreset, CSR_MRESET) ++DECLARE_CSR(cycleh, CSR_CYCLEH) ++DECLARE_CSR(timeh, CSR_TIMEH) ++DECLARE_CSR(instreth, CSR_INSTRETH) ++DECLARE_CSR(mtimecmph, CSR_MTIMECMPH) ++DECLARE_CSR(mucycle_deltah, CSR_MUCYCLE_DELTAH) ++DECLARE_CSR(mutime_deltah, CSR_MUTIME_DELTAH) ++DECLARE_CSR(muinstret_deltah, CSR_MUINSTRET_DELTAH) ++DECLARE_CSR(mscycle_deltah, CSR_MSCYCLE_DELTAH) ++DECLARE_CSR(mstime_deltah, CSR_MSTIME_DELTAH) ++DECLARE_CSR(msinstret_deltah, CSR_MSINSTRET_DELTAH) ++DECLARE_CSR(mcycleh, CSR_MCYCLEH) ++DECLARE_CSR(mtimeh, CSR_MTIMEH) ++DECLARE_CSR(minstreth, CSR_MINSTRETH) ++#endif ++#ifdef DECLARE_CAUSE ++DECLARE_CAUSE("misaligned fetch", CAUSE_MISALIGNED_FETCH) ++DECLARE_CAUSE("fault fetch", CAUSE_FAULT_FETCH) ++DECLARE_CAUSE("illegal instruction", CAUSE_ILLEGAL_INSTRUCTION) ++DECLARE_CAUSE("breakpoint", CAUSE_BREAKPOINT) ++DECLARE_CAUSE("misaligned load", CAUSE_MISALIGNED_LOAD) ++DECLARE_CAUSE("fault load", CAUSE_FAULT_LOAD) ++DECLARE_CAUSE("misaligned store", CAUSE_MISALIGNED_STORE) ++DECLARE_CAUSE("fault store", CAUSE_FAULT_STORE) ++DECLARE_CAUSE("user_ecall", CAUSE_USER_ECALL) ++DECLARE_CAUSE("supervisor_ecall", CAUSE_SUPERVISOR_ECALL) ++DECLARE_CAUSE("hypervisor_ecall", CAUSE_HYPERVISOR_ECALL) ++DECLARE_CAUSE("machine_ecall", CAUSE_MACHINE_ECALL) ++#endif +diff -urN empty/ld/emulparams/elf32lriscv-defs.sh binutils-2.26/ld/emulparams/elf32lriscv-defs.sh +--- empty/ld/emulparams/elf32lriscv-defs.sh 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/ld/emulparams/elf32lriscv-defs.sh 2016-04-03 10:33:12.065459702 +0800 +@@ -0,0 +1,48 @@ ++# This is an ELF platform. ++SCRIPT_NAME=elf ++ARCH=riscv ++OUTPUT_FORMAT="elf32-littleriscv" ++NO_REL_RELOCS=yes ++ ++TEMPLATE_NAME=elf32 ++EXTRA_EM_FILE=riscvelf ++ ++case x"$EMULATION_NAME" in ++xelf32*) ELFSIZE=32; LIBPATH_SUFFIX=32 ;; ++xelf64*) ELFSIZE=64; LIBPATH_SUFFIX= ;; ++x) ;; ++*) echo $0: unhandled emulation $EMULATION_NAME >&2; exit 1 ;; ++esac ++ ++if test `echo "$host" | sed -e s/64//` = `echo "$target" | sed -e s/64//`; then ++ case " $EMULATION_LIBPATH " in ++ *" ${EMULATION_NAME} "*) ++ NATIVE=yes ++ ;; ++ esac ++fi ++ ++GENERATE_SHLIB_SCRIPT=yes ++GENERATE_PIE_SCRIPT=yes ++ ++TEXT_START_ADDR=0x10000 ++MAXPAGESIZE="CONSTANT (MAXPAGESIZE)" ++COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)" ++ ++SDATA_START_SYMBOLS="_gp = . + 0x800; ++ *(.srodata.cst16) *(.srodata.cst8) *(.srodata.cst4) *(.srodata.cst2) *(.srodata .srodata.*)" ++ ++# Place the data section before text section. This enables more compact ++# global variable access for RVC code via linker relaxation. ++INITIAL_READONLY_SECTIONS=" ++ .data : { *(.data) *(.data.*) *(.gnu.linkonce.d.*) } ++ .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } ++ .srodata : { ${SDATA_START_SYMBOLS} } ++ .sdata : { *(.sdata .sdata.* .gnu.linkonce.s.*) } ++ .sbss : { *(.dynsbss) *(.sbss .sbss.* .gnu.linkonce.sb.*) } ++ .bss : { *(.dynbss) *(.bss .bss.* .gnu.linkonce.b.*) *(COMMON) } ++ . = ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1));" ++INITIAL_READONLY_SECTIONS=".interp : { *(.interp) } ${CREATE_PIE-${INITIAL_READONLY_SECTIONS}}" ++INITIAL_READONLY_SECTIONS="${RELOCATING+${CREATE_SHLIB-${INITIAL_READONLY_SECTIONS}}}" ++ ++SDATA_START_SYMBOLS="${CREATE_PIE+${SDATA_START_SYMBOLS}}" +diff -urN empty/ld/emulparams/elf32lriscv.sh binutils-2.26/ld/emulparams/elf32lriscv.sh +--- empty/ld/emulparams/elf32lriscv.sh 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/ld/emulparams/elf32lriscv.sh 2016-04-02 14:07:12.469104719 +0800 +@@ -0,0 +1,2 @@ ++. ${srcdir}/emulparams/elf32lriscv-defs.sh ++OUTPUT_FORMAT="elf32-littleriscv" +diff -urN empty/ld/emulparams/elf64lriscv-defs.sh binutils-2.26/ld/emulparams/elf64lriscv-defs.sh +--- empty/ld/emulparams/elf64lriscv-defs.sh 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/ld/emulparams/elf64lriscv-defs.sh 2016-04-02 14:07:12.469104719 +0800 +@@ -0,0 +1 @@ ++. ${srcdir}/emulparams/elf32lriscv-defs.sh +diff -urN empty/ld/emulparams/elf64lriscv.sh binutils-2.26/ld/emulparams/elf64lriscv.sh +--- empty/ld/emulparams/elf64lriscv.sh 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/ld/emulparams/elf64lriscv.sh 2016-04-02 14:07:12.469104719 +0800 +@@ -0,0 +1,2 @@ ++. ${srcdir}/emulparams/elf64lriscv-defs.sh ++OUTPUT_FORMAT="elf64-littleriscv" +diff -urN empty/ld/emultempl/riscvelf.em binutils-2.26/ld/emultempl/riscvelf.em +--- empty/ld/emultempl/riscvelf.em 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/ld/emultempl/riscvelf.em 2016-04-03 10:33:12.065459702 +0800 +@@ -0,0 +1,68 @@ ++# This shell script emits a C file. -*- C -*- ++# Copyright 2004, 2006, 2007, 2008 Free Software Foundation, Inc. ++# ++# This file is part of the GNU Binutils. ++# ++# This program is free software; you can redistribute it and/or modify ++# it under the terms of the GNU General Public License as published by ++# the Free Software Foundation; either version 3 of the License, or ++# (at your option) any later version. ++# ++# This program is distributed in the hope that it will be useful, ++# but WITHOUT ANY WARRANTY; without even the implied warranty of ++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++# GNU General Public License for more details. ++# ++# You should have received a copy of the GNU General Public License ++# along with this program; if not, write to the Free Software ++# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, ++# MA 02110-1301, USA. ++ ++fragment <<EOF ++ ++#include "ldmain.h" ++#include "ldctor.h" ++#include "elf/riscv.h" ++#include "elfxx-riscv.h" ++ ++static void ++riscv_elf_before_allocation (void) ++{ ++ gld${EMULATION_NAME}_before_allocation (); ++ ++ if (link_info.discard == discard_sec_merge) ++ link_info.discard = discard_l; ++ ++ /* We always need at least some relaxation to handle code alignment. */ ++ if (RELAXATION_DISABLED_BY_USER) ++ TARGET_ENABLE_RELAXATION; ++ else ++ ENABLE_RELAXATION; ++ ++ link_info.relax_pass = 2; ++} ++ ++static void ++gld${EMULATION_NAME}_after_allocation (void) ++{ ++ int need_layout = 0; ++ ++ /* Don't attempt to discard unused .eh_frame sections until the final link, ++ as we can't reliably tell if they're used until after relaxation. */ ++ if (!bfd_link_relocatable (&link_info)) ++ { ++ need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info); ++ if (need_layout < 0) ++ { ++ einfo ("%X%P: .eh_frame/.stab edit: %E\n"); ++ return; ++ } ++ } ++ ++ gld${EMULATION_NAME}_map_segments (need_layout); ++} ++ ++EOF ++ ++LDEMUL_BEFORE_ALLOCATION=riscv_elf_before_allocation ++LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation +diff -urN empty/opcodes/riscv-dis.c binutils-2.26/opcodes/riscv-dis.c +--- empty/opcodes/riscv-dis.c 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/opcodes/riscv-dis.c 2016-04-03 10:33:12.065459702 +0800 +@@ -0,0 +1,521 @@ ++/* RISC-V disassembler ++ Copyright 2011-2015 Free Software Foundation, Inc. ++ ++ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. ++ Based on MIPS target. ++ ++ This file is part of the GNU opcodes library. ++ ++ This library is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3, or (at your option) ++ any later version. ++ ++ It is distributed in the hope that it will be useful, but WITHOUT ++ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ++ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public ++ License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; see the file COPYING3. If not, ++ see <http://www.gnu.org/licenses/>. */ ++ ++#include "sysdep.h" ++#include "dis-asm.h" ++#include "libiberty.h" ++#include "opcode/riscv.h" ++#include "opintl.h" ++#include "elf-bfd.h" ++#include "elf/riscv.h" ++ ++#include <stdint.h> ++#include <ctype.h> ++ ++struct riscv_private_data ++{ ++ bfd_vma gp; ++ bfd_vma print_addr; ++ bfd_vma hi_addr[OP_MASK_RD + 1]; ++}; ++ ++static const char * const *riscv_gpr_names; ++static const char * const *riscv_fpr_names; ++ ++/* Other options */ ++static int no_aliases; /* If set disassemble as most general inst. */ ++ ++static void ++set_default_riscv_dis_options (void) ++{ ++ riscv_gpr_names = riscv_gpr_names_abi; ++ riscv_fpr_names = riscv_fpr_names_abi; ++ no_aliases = 0; ++} ++ ++static void ++parse_riscv_dis_option (const char *option) ++{ ++ if (CONST_STRNEQ (option, "no-aliases")) ++ no_aliases = 1; ++ else if (CONST_STRNEQ (option, "numeric")) ++ { ++ riscv_gpr_names = riscv_gpr_names_numeric; ++ riscv_fpr_names = riscv_fpr_names_numeric; ++ } ++ else ++ { ++ /* Invalid option. */ ++ fprintf (stderr, _("Unrecognized disassembler option: %s\n"), option); ++ } ++} ++ ++static void ++parse_riscv_dis_options (const char *opts_in) ++{ ++ char *opts = xstrdup (opts_in), *opt = opts, *opt_end = opts; ++ ++ set_default_riscv_dis_options (); ++ ++ for ( ; opt_end != NULL; opt = opt_end + 1) ++ { ++ if ((opt_end = strchr (opt, ',')) != NULL) ++ *opt_end = 0; ++ parse_riscv_dis_option (opt); ++ } ++ ++ free (opts); ++} ++ ++/* Print one argument from an array. */ ++ ++static void ++arg_print (struct disassemble_info *info, unsigned long val, ++ const char* const* array, size_t size) ++{ ++ const char *s = val >= size || array[val] == NULL ? "unknown" : array[val]; ++ (*info->fprintf_func) (info->stream, "%s", s); ++} ++ ++static void ++maybe_print_address (struct riscv_private_data *pd, int base_reg, int offset) ++{ ++ if (pd->hi_addr[base_reg] != (bfd_vma)-1) ++ { ++ pd->print_addr = pd->hi_addr[base_reg] + offset; ++ pd->hi_addr[base_reg] = -1; ++ } ++ else if (base_reg == X_GP && pd->gp != (bfd_vma)-1) ++ pd->print_addr = pd->gp + offset; ++ else if (base_reg == X_TP || base_reg == 0) ++ pd->print_addr = offset; ++} ++ ++/* Print insn arguments for 32/64-bit code. */ ++ ++static void ++print_insn_args (const char *d, insn_t l, bfd_vma pc, disassemble_info *info) ++{ ++ struct riscv_private_data *pd = info->private_data; ++ int rs1 = (l >> OP_SH_RS1) & OP_MASK_RS1; ++ int rd = (l >> OP_SH_RD) & OP_MASK_RD; ++ fprintf_ftype print = info->fprintf_func; ++ ++ if (*d != '\0') ++ print (info->stream, "\t"); ++ ++ for (; *d != '\0'; d++) ++ { ++ switch (*d) ++ { ++ /* Xcustom */ ++ case '^': ++ switch (*++d) ++ { ++ case 'd': ++ print (info->stream, "%d", rd); ++ break; ++ case 's': ++ print (info->stream, "%d", rs1); ++ break; ++ case 't': ++ print (info->stream, "%d", (int) EXTRACT_OPERAND (RS2, l)); ++ break; ++ case 'j': ++ print (info->stream, "%d", (int) EXTRACT_OPERAND (CUSTOM_IMM, l)); ++ break; ++ } ++ break; ++ ++ case 'C': /* RVC */ ++ switch (*++d) ++ { ++ case 's': /* RS1 x8-x15 */ ++ case 'w': /* RS1 x8-x15 */ ++ print (info->stream, "%s", ++ riscv_gpr_names[EXTRACT_OPERAND (CRS1S, l) + 8]); ++ break; ++ case 't': /* RS2 x8-x15 */ ++ case 'x': /* RS2 x8-x15 */ ++ print (info->stream, "%s", ++ riscv_gpr_names[EXTRACT_OPERAND (CRS2S, l) + 8]); ++ break; ++ case 'U': /* RS1, constrained to equal RD */ ++ print (info->stream, "%s", riscv_gpr_names[rd]); ++ break; ++ case 'c': /* RS1, constrained to equal sp */ ++ print (info->stream, "%s", riscv_gpr_names[X_SP]); ++ break; ++ case 'V': /* RS2 */ ++ print (info->stream, "%s", ++ riscv_gpr_names[EXTRACT_OPERAND (CRS2, l)]); ++ break; ++ case 'i': ++ print (info->stream, "%d", (int)EXTRACT_RVC_SIMM3 (l)); ++ break; ++ case 'j': ++ print (info->stream, "%d", (int)EXTRACT_RVC_IMM (l)); ++ break; ++ case 'k': ++ print (info->stream, "%d", (int)EXTRACT_RVC_LW_IMM (l)); ++ break; ++ case 'l': ++ print (info->stream, "%d", (int)EXTRACT_RVC_LD_IMM (l)); ++ break; ++ case 'm': ++ print (info->stream, "%d", (int)EXTRACT_RVC_LWSP_IMM (l)); ++ break; ++ case 'n': ++ print (info->stream, "%d", (int)EXTRACT_RVC_LDSP_IMM (l)); ++ break; ++ case 'K': ++ print (info->stream, "%d", (int)EXTRACT_RVC_ADDI4SPN_IMM (l)); ++ break; ++ case 'L': ++ print (info->stream, "%d", (int)EXTRACT_RVC_ADDI16SP_IMM (l)); ++ break; ++ case 'M': ++ print (info->stream, "%d", (int)EXTRACT_RVC_SWSP_IMM (l)); ++ break; ++ case 'N': ++ print (info->stream, "%d", (int)EXTRACT_RVC_SDSP_IMM (l)); ++ break; ++ case 'p': ++ info->target = EXTRACT_RVC_B_IMM (l) + pc; ++ (*info->print_address_func) (info->target, info); ++ break; ++ case 'a': ++ info->target = EXTRACT_RVC_J_IMM (l) + pc; ++ (*info->print_address_func) (info->target, info); ++ break; ++ case 'u': ++ print (info->stream, "0x%x", ++ (int) (EXTRACT_RVC_IMM (l) & (RISCV_BIGIMM_REACH-1))); ++ break; ++ case '>': ++ print (info->stream, "0x%x", (int) EXTRACT_RVC_IMM (l) & 0x3f); ++ break; ++ case '<': ++ print (info->stream, "0x%x", (int) EXTRACT_RVC_IMM (l) & 0x1f); ++ break; ++ case 'T': /* floating-point RS2 */ ++ print (info->stream, "%s", ++ riscv_fpr_names[EXTRACT_OPERAND (CRS2, l)]); ++ break; ++ case 'D': /* floating-point RS2 x8-x15 */ ++ print (info->stream, "%s", ++ riscv_fpr_names[EXTRACT_OPERAND (CRS2S, l) + 8]); ++ break; ++ } ++ break; ++ ++ case ',': ++ case '(': ++ case ')': ++ case '[': ++ case ']': ++ print (info->stream, "%c", *d); ++ break; ++ ++ case '0': ++ /* Only print constant 0 if it is the last argument */ ++ if (!d[1]) ++ print (info->stream, "0"); ++ break; ++ ++ case 'b': ++ case 's': ++ print (info->stream, "%s", riscv_gpr_names[rs1]); ++ break; ++ ++ case 't': ++ print (info->stream, "%s", ++ riscv_gpr_names[EXTRACT_OPERAND (RS2, l)]); ++ break; ++ ++ case 'u': ++ print (info->stream, "0x%x", ++ (unsigned) EXTRACT_UTYPE_IMM (l) >> RISCV_IMM_BITS); ++ break; ++ ++ case 'm': ++ arg_print (info, EXTRACT_OPERAND (RM, l), ++ riscv_rm, ARRAY_SIZE (riscv_rm)); ++ break; ++ ++ case 'P': ++ arg_print (info, EXTRACT_OPERAND (PRED, l), ++ riscv_pred_succ, ARRAY_SIZE (riscv_pred_succ)); ++ break; ++ ++ case 'Q': ++ arg_print (info, EXTRACT_OPERAND (SUCC, l), ++ riscv_pred_succ, ARRAY_SIZE (riscv_pred_succ)); ++ break; ++ ++ case 'o': ++ maybe_print_address (pd, rs1, EXTRACT_ITYPE_IMM (l)); ++ case 'j': ++ if (((l & MASK_ADDI) == MATCH_ADDI && rs1 != 0) ++ || (l & MASK_JALR) == MATCH_JALR) ++ maybe_print_address (pd, rs1, EXTRACT_ITYPE_IMM (l)); ++ print (info->stream, "%d", (int) EXTRACT_ITYPE_IMM (l)); ++ break; ++ ++ case 'q': ++ maybe_print_address (pd, rs1, EXTRACT_STYPE_IMM (l)); ++ print (info->stream, "%d", (int) EXTRACT_STYPE_IMM (l)); ++ break; ++ ++ case 'a': ++ info->target = EXTRACT_UJTYPE_IMM (l) + pc; ++ (*info->print_address_func) (info->target, info); ++ break; ++ ++ case 'p': ++ info->target = EXTRACT_SBTYPE_IMM (l) + pc; ++ (*info->print_address_func) (info->target, info); ++ break; ++ ++ case 'd': ++ if ((l & MASK_AUIPC) == MATCH_AUIPC) ++ pd->hi_addr[rd] = pc + EXTRACT_UTYPE_IMM (l); ++ else if ((l & MASK_LUI) == MATCH_LUI) ++ pd->hi_addr[rd] = EXTRACT_UTYPE_IMM (l); ++ else if ((l & MASK_C_LUI) == MATCH_C_LUI) ++ pd->hi_addr[rd] = EXTRACT_RVC_LUI_IMM (l); ++ print (info->stream, "%s", riscv_gpr_names[rd]); ++ break; ++ ++ case 'z': ++ print (info->stream, "%s", riscv_gpr_names[0]); ++ break; ++ ++ case '>': ++ print (info->stream, "0x%x", (int) EXTRACT_OPERAND (SHAMT, l)); ++ break; ++ ++ case '<': ++ print (info->stream, "0x%x", (int) EXTRACT_OPERAND (SHAMTW, l)); ++ break; ++ ++ case 'S': ++ case 'U': ++ print (info->stream, "%s", riscv_fpr_names[rs1]); ++ break; ++ ++ case 'T': ++ print (info->stream, "%s", riscv_fpr_names[EXTRACT_OPERAND (RS2, l)]); ++ break; ++ ++ case 'D': ++ print (info->stream, "%s", riscv_fpr_names[rd]); ++ break; ++ ++ case 'R': ++ print (info->stream, "%s", riscv_fpr_names[EXTRACT_OPERAND (RS3, l)]); ++ break; ++ ++ case 'E': ++ { ++ const char* csr_name = NULL; ++ unsigned int csr = EXTRACT_OPERAND (CSR, l); ++ switch (csr) ++ { ++ #define DECLARE_CSR(name, num) case num: csr_name = #name; break; ++ #include "opcode/riscv-opc.h" ++ #undef DECLARE_CSR ++ } ++ if (csr_name) ++ print (info->stream, "%s", csr_name); ++ else ++ print (info->stream, "0x%x", csr); ++ break; ++ } ++ ++ case 'Z': ++ print (info->stream, "%d", rs1); ++ break; ++ ++ default: ++ /* xgettext:c-format */ ++ print (info->stream, _("# internal error, undefined modifier (%c)"), ++ *d); ++ return; ++ } ++ } ++} ++ ++/* Print the RISC-V instruction at address MEMADDR in debugged memory, ++ on using INFO. Returns length of the instruction, in bytes. ++ BIGENDIAN must be 1 if this is big-endian code, 0 if ++ this is little-endian code. */ ++ ++static int ++riscv_disassemble_insn (bfd_vma memaddr, insn_t word, disassemble_info *info) ++{ ++ const struct riscv_opcode *op; ++ static bfd_boolean init = 0; ++ static const struct riscv_opcode *riscv_hash[OP_MASK_OP + 1]; ++ struct riscv_private_data *pd; ++ int insnlen; ++ ++#define OP_HASH_IDX(i) ((i) & (riscv_insn_length (i) == 2 ? 0x3 : OP_MASK_OP)) ++ ++ /* Build a hash table to shorten the search time. */ ++ if (! init) ++ { ++ for (op = riscv_opcodes; op < &riscv_opcodes[NUMOPCODES]; op++) ++ if (!riscv_hash[OP_HASH_IDX (op->match)]) ++ riscv_hash[OP_HASH_IDX (op->match)] = op; ++ ++ init = 1; ++ } ++ ++ if (info->private_data == NULL) ++ { ++ int i; ++ ++ pd = info->private_data = xcalloc (1, sizeof (struct riscv_private_data)); ++ pd->gp = -1; ++ pd->print_addr = -1; ++ for (i = 0; i < (int) ARRAY_SIZE (pd->hi_addr); i++) ++ pd->hi_addr[i] = -1; ++ ++ for (i = 0; i < info->symtab_size; i++) ++ if (strcmp (bfd_asymbol_name (info->symtab[i]), "_gp") == 0) ++ pd->gp = bfd_asymbol_value (info->symtab[i]); ++ } ++ else ++ pd = info->private_data; ++ ++ insnlen = riscv_insn_length (word); ++ ++ info->bytes_per_chunk = insnlen % 4 == 0 ? 4 : 2; ++ info->bytes_per_line = 8; ++ info->display_endian = info->endian; ++ info->insn_info_valid = 1; ++ info->branch_delay_insns = 0; ++ info->data_size = 0; ++ info->insn_type = dis_nonbranch; ++ info->target = 0; ++ info->target2 = 0; ++ ++ op = riscv_hash[OP_HASH_IDX (word)]; ++ if (op != NULL) ++ { ++ int xlen = 0; ++ ++ /* The incoming section might not always be complete. */ ++ if (info->section != NULL) ++ { ++ Elf_Internal_Ehdr *ehdr = elf_elfheader (info->section->owner); ++ xlen = ehdr->e_ident[EI_CLASS] == ELFCLASS64 ? 64 : 32; ++ } ++ ++ for (; op < &riscv_opcodes[NUMOPCODES]; op++) ++ { ++ /* Does the opcode match? */ ++ if (! (op->match_func) (op, word)) ++ continue; ++ /* Is this a pseudo-instruction and may we print it as such? */ ++ if (no_aliases && (op->pinfo & INSN_ALIAS)) ++ continue; ++ /* Is this instruction restricted to a certain value of XLEN? */ ++ if (isdigit (op->subset[0]) && atoi (op->subset) != xlen) ++ continue; ++ ++ /* It's a match. */ ++ (*info->fprintf_func) (info->stream, "%s", op->name); ++ print_insn_args (op->args, word, memaddr, info); ++ ++ /* Try to disassemble multi-instruction addressing sequences. */ ++ if (pd->print_addr != (bfd_vma)-1) ++ { ++ info->target = pd->print_addr; ++ (*info->fprintf_func) (info->stream, " # "); ++ (*info->print_address_func) (info->target, info); ++ pd->print_addr = -1; ++ } ++ ++ return insnlen; ++ } ++ } ++ ++ /* We did not find a match, so just print the instruction bits. */ ++ info->insn_type = dis_noninsn; ++ (*info->fprintf_func) (info->stream, "0x%llx", (unsigned long long)word); ++ return insnlen; ++} ++ ++int ++print_insn_riscv (bfd_vma memaddr, struct disassemble_info *info) ++{ ++ bfd_byte packet[2]; ++ insn_t insn = 0; ++ bfd_vma n; ++ int status; ++ ++ if (info->disassembler_options != NULL) ++ { ++ parse_riscv_dis_options (info->disassembler_options); ++ /* Avoid repeatedly parsing the options. */ ++ info->disassembler_options = NULL; ++ } ++ else if (riscv_gpr_names == NULL) ++ set_default_riscv_dis_options (); ++ ++ /* Instructions are a sequence of 2-byte packets in little-endian order. */ ++ for (n = 0; n < sizeof (insn) && n < riscv_insn_length (insn); n += 2) ++ { ++ status = (*info->read_memory_func) (memaddr + n, packet, 2, info); ++ if (status != 0) ++ { ++ /* Don't fail just because we fell off the end. */ ++ if (n > 0) ++ break; ++ (*info->memory_error_func) (status, memaddr, info); ++ return status; ++ } ++ ++ insn |= ((insn_t) bfd_getl16 (packet)) << (8 * n); ++ } ++ ++ return riscv_disassemble_insn (memaddr, insn, info); ++} ++ ++void ++print_riscv_disassembler_options (FILE *stream) ++{ ++ fprintf (stream, _("\n\ ++The following RISC-V-specific disassembler options are supported for use\n\ ++with the -M switch (multiple options should be separated by commas):\n")); ++ ++ fprintf (stream, _("\n\ ++ numeric Print numeric reigster names, rather than ABI names.\n")); ++ ++ fprintf (stream, _("\n\ ++ no-aliases Disassemble only into canonical instructions, rather\n\ ++ than into pseudoinstructions.\n")); ++ ++ fprintf (stream, _("\n")); ++} +diff -urN empty/opcodes/riscv-opc.c binutils-2.26/opcodes/riscv-opc.c +--- empty/opcodes/riscv-opc.c 1970-01-01 08:00:00.000000000 +0800 ++++ binutils-2.26/opcodes/riscv-opc.c 2016-04-16 11:38:25.314563423 +0800 +@@ -0,0 +1,647 @@ ++/* RISC-V opcode list ++ Copyright 2011-2015 Free Software Foundation, Inc. ++ ++ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. ++ Based on MIPS target. ++ ++ This file is part of the GNU opcodes library. ++ ++ This library is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3, or (at your option) ++ any later version. ++ ++ It is distributed in the hope that it will be useful, but WITHOUT ++ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ++ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public ++ License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; see the file COPYING3. If not, ++ see <http://www.gnu.org/licenses/>. */ ++ ++#include "sysdep.h" ++#include "opcode/riscv.h" ++#include <stdio.h> ++ ++/* Register names used by gas and objdump. */ ++ ++const char * const riscv_gpr_names_numeric[32] = ++{ ++ "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", ++ "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", ++ "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", ++ "x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31" ++}; ++ ++const char * const riscv_gpr_names_abi[32] = { ++ "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", ++ "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", ++ "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", ++ "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6" ++}; ++ ++const char * const riscv_fpr_names_numeric[32] = ++{ ++ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", ++ "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", ++ "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", ++ "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31" ++}; ++ ++const char * const riscv_fpr_names_abi[32] = { ++ "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", ++ "fs0", "fs1", "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", ++ "fa6", "fa7", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", ++ "fs8", "fs9", "fs10", "fs11", "ft8", "ft9", "ft10", "ft11" ++}; ++ ++/* The order of overloaded instructions matters. Label arguments and ++ register arguments look the same. Instructions that can have either ++ for arguments must apear in the correct order in this table for the ++ assembler to pick the right one. In other words, entries with ++ immediate operands must apear after the same instruction with ++ registers. ++ ++ Because of the lookup algorithm used, entries with the same opcode ++ name must be contiguous. */ ++ ++#define MASK_RS1 (OP_MASK_RS1 << OP_SH_RS1) ++#define MASK_RS2 (OP_MASK_RS2 << OP_SH_RS2) ++#define MASK_RD (OP_MASK_RD << OP_SH_RD) ++#define MASK_CRS2 (OP_MASK_CRS2 << OP_SH_CRS2) ++#define MASK_IMM ENCODE_ITYPE_IMM(-1U) ++#define MASK_RVC_IMM ENCODE_RVC_IMM(-1U) ++#define MASK_UIMM ENCODE_UTYPE_IMM(-1U) ++#define MASK_RM (OP_MASK_RM << OP_SH_RM) ++#define MASK_PRED (OP_MASK_PRED << OP_SH_PRED) ++#define MASK_SUCC (OP_MASK_SUCC << OP_SH_SUCC) ++#define MASK_AQ (OP_MASK_AQ << OP_SH_AQ) ++#define MASK_RL (OP_MASK_RL << OP_SH_RL) ++#define MASK_AQRL (MASK_AQ | MASK_RL) ++ ++static int match_opcode(const struct riscv_opcode *op, insn_t insn) ++{ ++ return ((insn ^ op->match) & op->mask) == 0; ++} ++ ++static int match_never(const struct riscv_opcode *op ATTRIBUTE_UNUSED, ++ insn_t insn ATTRIBUTE_UNUSED) ++{ ++ return 0; ++} ++ ++static int match_rs1_eq_rs2(const struct riscv_opcode *op, insn_t insn) ++{ ++ int rs1 = (insn & MASK_RS1) >> OP_SH_RS1; ++ int rs2 = (insn & MASK_RS2) >> OP_SH_RS2; ++ return match_opcode (op, insn) && rs1 == rs2; ++} ++ ++static int match_rd_nonzero(const struct riscv_opcode *op, insn_t insn) ++{ ++ return match_opcode (op, insn) && ((insn & MASK_RD) != 0); ++} ++ ++static int match_c_add(const struct riscv_opcode *op, insn_t insn) ++{ ++ return match_rd_nonzero (op, insn) && ((insn & MASK_CRS2) != 0); ++} ++ ++static int match_c_lui(const struct riscv_opcode *op, insn_t insn) ++{ ++ return match_rd_nonzero (op, insn) && (((insn & MASK_RD) >> OP_SH_RD) != 2); ++} ++ ++const struct riscv_opcode riscv_builtin_opcodes[] = ++{ ++/* name, isa, operands, match, mask, match_func, pinfo */ ++{"unimp", "C", "", 0, 0xffffU, match_opcode, 0 }, ++{"unimp", "I", "", MATCH_CSRRW | (CSR_CYCLE << OP_SH_CSR), 0xffffffffU, match_opcode, 0 }, /* csrw cycle, x0 */ ++{"ebreak", "C", "", MATCH_C_EBREAK, MASK_C_EBREAK, match_opcode, INSN_ALIAS }, ++{"ebreak", "I", "", MATCH_EBREAK, MASK_EBREAK, match_opcode, 0 }, ++{"sbreak", "C", "", MATCH_C_EBREAK, MASK_C_EBREAK, match_opcode, INSN_ALIAS }, ++{"sbreak", "I", "", MATCH_EBREAK, MASK_EBREAK, match_opcode, INSN_ALIAS }, ++{"ret", "C", "", MATCH_C_JR | (X_RA << OP_SH_RD), MASK_C_JR | MASK_RD, match_opcode, INSN_ALIAS }, ++{"ret", "I", "", MATCH_JALR | (X_RA << OP_SH_RS1), MASK_JALR | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"jr", "C", "d", MATCH_C_JR, MASK_C_JR, match_rd_nonzero, INSN_ALIAS }, ++{"jr", "I", "s", MATCH_JALR, MASK_JALR | MASK_RD | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"jr", "I", "s,j", MATCH_JALR, MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS }, ++{"jalr", "C", "d", MATCH_C_JALR, MASK_C_JALR, match_rd_nonzero, INSN_ALIAS }, ++{"jalr", "I", "s", MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"jalr", "I", "s,j", MATCH_JALR | (X_RA << OP_SH_RD), MASK_JALR | MASK_RD, match_opcode, INSN_ALIAS }, ++{"jalr", "I", "d,s", MATCH_JALR, MASK_JALR | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"jalr", "I", "d,s,j", MATCH_JALR, MASK_JALR, match_opcode, 0 }, ++{"j", "C", "Ca", MATCH_C_J, MASK_C_J, match_opcode, INSN_ALIAS }, ++{"j", "I", "a", MATCH_JAL, MASK_JAL | MASK_RD, match_opcode, INSN_ALIAS }, ++{"jal", "32C", "Ca", MATCH_C_JAL, MASK_C_JAL, match_opcode, INSN_ALIAS }, ++{"jal", "I", "a", MATCH_JAL | (X_RA << OP_SH_RD), MASK_JAL | MASK_RD, match_opcode, INSN_ALIAS }, ++{"jal", "I", "d,a", MATCH_JAL, MASK_JAL, match_opcode, 0 }, ++{"call", "I", "c", (X_T1 << OP_SH_RS1) | (X_RA << OP_SH_RD), (int) M_CALL, match_never, INSN_MACRO }, ++{"call", "I", "d,c", (X_T1 << OP_SH_RS1), (int) M_CALL, match_never, INSN_MACRO }, ++{"tail", "I", "c", (X_T1 << OP_SH_RS1), (int) M_CALL, match_never, INSN_MACRO }, ++{"jump", "I", "c,s", 0, (int) M_CALL, match_never, INSN_MACRO }, ++{"nop", "C", "", MATCH_C_ADDI, 0xffff, match_opcode, INSN_ALIAS }, ++{"nop", "I", "", MATCH_ADDI, MASK_ADDI | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"lui", "C", "d,Cu", MATCH_C_LUI, MASK_C_LUI, match_c_lui, INSN_ALIAS }, ++{"lui", "I", "d,u", MATCH_LUI, MASK_LUI, match_opcode, 0 }, ++{"li", "C", "d,Cv", MATCH_C_LUI, MASK_C_LUI, match_c_lui, INSN_ALIAS }, ++{"li", "C", "d,Cj", MATCH_C_LI, MASK_C_LI, match_rd_nonzero, INSN_ALIAS }, ++{"li", "C", "d,0", MATCH_C_LI, MASK_C_LI | MASK_RVC_IMM, match_rd_nonzero, INSN_ALIAS }, ++{"li", "I", "d,j", MATCH_ADDI, MASK_ADDI | MASK_RS1, match_opcode, INSN_ALIAS }, /* addi */ ++{"li", "I", "d,I", 0, (int) M_LI, match_never, INSN_MACRO }, ++{"mv", "C", "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add, INSN_ALIAS }, ++{"mv", "I", "d,s", MATCH_ADDI, MASK_ADDI | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"move", "C", "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add, INSN_ALIAS }, ++{"move", "I", "d,s", MATCH_ADDI, MASK_ADDI | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"andi", "C", "Cs,Cw,Cj", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, INSN_ALIAS }, ++{"andi", "I", "d,s,j", MATCH_ANDI, MASK_ANDI, match_opcode, 0 }, ++{"and", "C", "Cs,Cw,Ct", MATCH_C_AND, MASK_C_AND, match_opcode, INSN_ALIAS }, ++{"and", "C", "Cs,Ct,Cw", MATCH_C_AND, MASK_C_AND, match_opcode, INSN_ALIAS }, ++{"and", "C", "Cs,Cw,Cj", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, INSN_ALIAS }, ++{"and", "I", "d,s,t", MATCH_AND, MASK_AND, match_opcode, 0 }, ++{"and", "I", "d,s,j", MATCH_ANDI, MASK_ANDI, match_opcode, INSN_ALIAS }, ++{"beqz", "C", "Cs,Cp", MATCH_C_BEQZ, MASK_C_BEQZ, match_opcode, INSN_ALIAS }, ++{"beqz", "I", "s,p", MATCH_BEQ, MASK_BEQ | MASK_RS2, match_opcode, INSN_ALIAS }, ++{"beq", "I", "s,t,p", MATCH_BEQ, MASK_BEQ, match_opcode, 0 }, ++{"blez", "I", "t,p", MATCH_BGE, MASK_BGE | MASK_RS1, match_opcode, INSN_ALIAS }, ++{"bgez", "I", "s,p", MATCH_BGE, MASK_BGE | MASK_RS2, match_opcode, INSN_ALIAS }, ++{"ble", "I", "t,s,p", MATCH_BGE, MASK_BGE, match_opcode, INSN_ALIAS }, ++{"bleu", "I", "t,s,p", MATCH_BGEU, MASK_BGEU, match_opcode, INSN_ALIAS }, ++{"bge", "I", "s,t,p", MATCH_BGE, MASK_BGE, match_opcode, 0 }, ++{"bgeu", "I", "s,t,p", MATCH_BGEU, MASK_BGEU, match_opcode, 0 }, ++{"bltz", "I", "s,p", MATCH_BLT, MASK_BLT | MASK_RS2, match_opcode, INSN_ALIAS }, ++{"bgtz", "I", "t,p", MATCH_BLT, MASK_BLT | MASK_RS1, match_opcode, INSN_ALIAS }, ++{"blt", "I", "s,t,p", MATCH_BLT, MASK_BLT, match_opcode, 0 }, ++{"bltu", "I", "s,t,p", MATCH_BLTU, MASK_BLTU, match_opcode, 0 }, ++{"bgt", "I", "t,s,p", MATCH_BLT, MASK_BLT, match_opcode, INSN_ALIAS }, ++{"bgtu", "I", "t,s,p", MATCH_BLTU, MASK_BLTU, match_opcode, INSN_ALIAS }, ++{"bnez", "C", "Cs,Cp", MATCH_C_BNEZ, MASK_C_BNEZ, match_opcode, INSN_ALIAS }, ++{"bnez", "I", "s,p", MATCH_BNE, MASK_BNE | MASK_RS2, match_opcode, INSN_ALIAS }, ++{"bne", "I", "s,t,p", MATCH_BNE, MASK_BNE, match_opcode, 0 }, ++{"addi", "C", "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_opcode, INSN_ALIAS }, ++{"addi", "C", "d,CU,Cj", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, INSN_ALIAS }, ++{"addi", "C", "Cc,Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_opcode, INSN_ALIAS }, ++{"addi", "I", "d,s,j", MATCH_ADDI, MASK_ADDI, match_opcode, 0 }, ++{"add", "C", "d,CU,CV", MATCH_C_ADD, MASK_C_ADD, match_c_add, INSN_ALIAS }, ++{"add", "C", "d,CV,CU", MATCH_C_ADD, MASK_C_ADD, match_c_add, INSN_ALIAS }, ++{"add", "C", "d,CU,Cj", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, INSN_ALIAS }, ++{"add", "C", "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_opcode, INSN_ALIAS }, ++{"add", "C", "Cc,Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_opcode, INSN_ALIAS }, ++{"add", "I", "d,s,t", MATCH_ADD, MASK_ADD, match_opcode, 0 }, ++{"add", "I", "d,s,t,0",MATCH_ADD, MASK_ADD, match_opcode, 0 }, ++{"add", "I", "d,s,j", MATCH_ADDI, MASK_ADDI, match_opcode, INSN_ALIAS }, ++{"la", "I", "d,A", 0, (int) M_LA, match_never, INSN_MACRO }, ++{"lla", "I", "d,A", 0, (int) M_LLA, match_never, INSN_MACRO }, ++{"la.tls.gd", "I", "d,A", 0, (int) M_LA_TLS_GD, match_never, INSN_MACRO }, ++{"la.tls.ie", "I", "d,A", 0, (int) M_LA_TLS_IE, match_never, INSN_MACRO }, ++{"neg", "I", "d,t", MATCH_SUB, MASK_SUB | MASK_RS1, match_opcode, INSN_ALIAS }, /* sub 0 */ ++{"slli", "C", "d,CU,C>", MATCH_C_SLLI, MASK_C_SLLI, match_rd_nonzero, INSN_ALIAS }, ++{"slli", "I", "d,s,>", MATCH_SLLI, MASK_SLLI, match_opcode, 0 }, ++{"sll", "C", "d,CU,C>", MATCH_C_SLLI, MASK_C_SLLI, match_rd_nonzero, INSN_ALIAS }, ++{"sll", "I", "d,s,t", MATCH_SLL, MASK_SLL, match_opcode, 0 }, ++{"sll", "I", "d,s,>", MATCH_SLLI, MASK_SLLI, match_opcode, INSN_ALIAS }, ++{"srli", "C", "Cs,Cw,C>", MATCH_C_SRLI, MASK_C_SRLI, match_rd_nonzero, INSN_ALIAS }, ++{"srli", "I", "d,s,>", MATCH_SRLI, MASK_SRLI, match_opcode, 0 }, ++{"srl", "C", "Cs,Cw,C>", MATCH_C_SRLI, MASK_C_SRLI, match_rd_nonzero, INSN_ALIAS }, ++{"srl", "I", "d,s,t", MATCH_SRL, MASK_SRL, match_opcode, 0 }, ++{"srl", "I", "d,s,>", MATCH_SRLI, MASK_SRLI, match_opcode, INSN_ALIAS }, ++{"srai", "C", "Cs,Cw,C>", MATCH_C_SRAI, MASK_C_SRAI, match_rd_nonzero, INSN_ALIAS }, ++{"srai", "I", "d,s,>", MATCH_SRAI, MASK_SRAI, match_opcode, 0 }, ++{"sra", "C", "Cs,Cw,C>", MATCH_C_SRAI, MASK_C_SRAI, match_rd_nonzero, INSN_ALIAS }, ++{"sra", "I", "d,s,t", MATCH_SRA, MASK_SRA, match_opcode, 0 }, ++{"sra", "I", "d,s,>", MATCH_SRAI, MASK_SRAI, match_opcode, INSN_ALIAS }, ++{"sub", "C", "Cs,Cw,Ct", MATCH_C_SUB, MASK_C_SUB, match_opcode, INSN_ALIAS }, ++{"sub", "I", "d,s,t", MATCH_SUB, MASK_SUB, match_opcode, 0 }, ++{"lb", "I", "d,o(s)", MATCH_LB, MASK_LB, match_opcode, 0 }, ++{"lb", "I", "d,A", 0, (int) M_LB, match_never, INSN_MACRO }, ++{"lbu", "I", "d,o(s)", MATCH_LBU, MASK_LBU, match_opcode, 0 }, ++{"lbu", "I", "d,A", 0, (int) M_LBU, match_never, INSN_MACRO }, ++{"lh", "I", "d,o(s)", MATCH_LH, MASK_LH, match_opcode, 0 }, ++{"lh", "I", "d,A", 0, (int) M_LH, match_never, INSN_MACRO }, ++{"lhu", "I", "d,o(s)", MATCH_LHU, MASK_LHU, match_opcode, 0 }, ++{"lhu", "I", "d,A", 0, (int) M_LHU, match_never, INSN_MACRO }, ++{"lw", "C", "d,Cm(Cc)", MATCH_C_LWSP, MASK_C_LWSP, match_rd_nonzero, INSN_ALIAS }, ++{"lw", "C", "Ct,Ck(Cs)", MATCH_C_LW, MASK_C_LW, match_opcode, INSN_ALIAS }, ++{"lw", "I", "d,o(s)", MATCH_LW, MASK_LW, match_opcode, 0 }, ++{"lw", "I", "d,A", 0, (int) M_LW, match_never, INSN_MACRO }, ++{"not", "I", "d,s", MATCH_XORI | MASK_IMM, MASK_XORI | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"ori", "I", "d,s,j", MATCH_ORI, MASK_ORI, match_opcode, 0 }, ++{"or", "C", "Cs,Cw,Ct", MATCH_C_OR, MASK_C_OR, match_opcode, INSN_ALIAS }, ++{"or", "C", "Cs,Ct,Cw", MATCH_C_OR, MASK_C_OR, match_opcode, INSN_ALIAS }, ++{"or", "I", "d,s,t", MATCH_OR, MASK_OR, match_opcode, 0 }, ++{"or", "I", "d,s,j", MATCH_ORI, MASK_ORI, match_opcode, INSN_ALIAS }, ++{"auipc", "I", "d,u", MATCH_AUIPC, MASK_AUIPC, match_opcode, 0 }, ++{"seqz", "I", "d,s", MATCH_SLTIU | ENCODE_ITYPE_IMM(1), MASK_SLTIU | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"snez", "I", "d,t", MATCH_SLTU, MASK_SLTU | MASK_RS1, match_opcode, INSN_ALIAS }, ++{"sltz", "I", "d,s", MATCH_SLT, MASK_SLT | MASK_RS2, match_opcode, INSN_ALIAS }, ++{"sgtz", "I", "d,t", MATCH_SLT, MASK_SLT | MASK_RS1, match_opcode, INSN_ALIAS }, ++{"slti", "I", "d,s,j", MATCH_SLTI, MASK_SLTI, match_opcode, INSN_ALIAS }, ++{"slt", "I", "d,s,t", MATCH_SLT, MASK_SLT, match_opcode, 0 }, ++{"slt", "I", "d,s,j", MATCH_SLTI, MASK_SLTI, match_opcode, 0 }, ++{"sltiu", "I", "d,s,j", MATCH_SLTIU, MASK_SLTIU, match_opcode, 0 }, ++{"sltu", "I", "d,s,t", MATCH_SLTU, MASK_SLTU, match_opcode, 0 }, ++{"sltu", "I", "d,s,j", MATCH_SLTIU, MASK_SLTIU, match_opcode, INSN_ALIAS }, ++{"sgt", "I", "d,t,s", MATCH_SLT, MASK_SLT, match_opcode, INSN_ALIAS }, ++{"sgtu", "I", "d,t,s", MATCH_SLTU, MASK_SLTU, match_opcode, INSN_ALIAS }, ++{"sb", "I", "t,q(s)", MATCH_SB, MASK_SB, match_opcode, 0 }, ++{"sb", "I", "t,A,s", 0, (int) M_SB, match_never, INSN_MACRO }, ++{"sh", "I", "t,q(s)", MATCH_SH, MASK_SH, match_opcode, 0 }, ++{"sh", "I", "t,A,s", 0, (int) M_SH, match_never, INSN_MACRO }, ++{"sw", "C", "CV,CM(Cc)", MATCH_C_SWSP, MASK_C_SWSP, match_opcode, INSN_ALIAS }, ++{"sw", "C", "Ct,Ck(Cs)", MATCH_C_SW, MASK_C_SW, match_opcode, INSN_ALIAS }, ++{"sw", "I", "t,q(s)", MATCH_SW, MASK_SW, match_opcode, 0 }, ++{"sw", "I", "t,A,s", 0, (int) M_SW, match_never, INSN_MACRO }, ++{"fence", "I", "", MATCH_FENCE | MASK_PRED | MASK_SUCC, MASK_FENCE | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"fence", "I", "P,Q", MATCH_FENCE, MASK_FENCE | MASK_RD | MASK_RS1 | (MASK_IMM & ~MASK_PRED & ~MASK_SUCC), match_opcode, 0 }, ++{"fence.i", "I", "", MATCH_FENCE_I, MASK_FENCE | MASK_RD | MASK_RS1 | MASK_IMM, match_opcode, 0 }, ++{"rdcycle", "I", "d", MATCH_RDCYCLE, MASK_RDCYCLE, match_opcode, 0 }, ++{"rdinstret", "I", "d", MATCH_RDINSTRET, MASK_RDINSTRET, match_opcode, 0 }, ++{"rdtime", "I", "d", MATCH_RDTIME, MASK_RDTIME, match_opcode, 0 }, ++{"rdcycleh", "32I", "d", MATCH_RDCYCLEH, MASK_RDCYCLEH, match_opcode, 0 }, ++{"rdinstreth","32I", "d", MATCH_RDINSTRETH, MASK_RDINSTRETH, match_opcode, 0 }, ++{"rdtimeh", "32I", "d", MATCH_RDTIMEH, MASK_RDTIMEH, match_opcode, 0 }, ++{"ecall", "I", "", MATCH_SCALL, MASK_SCALL, match_opcode, 0 }, ++{"scall", "I", "", MATCH_SCALL, MASK_SCALL, match_opcode, 0 }, ++{"xori", "I", "d,s,j", MATCH_XORI, MASK_XORI, match_opcode, 0 }, ++{"xor", "C", "Cs,Cw,Ct", MATCH_C_XOR, MASK_C_XOR, match_opcode, INSN_ALIAS }, ++{"xor", "C", "Cs,Ct,Cw", MATCH_C_XOR, MASK_C_XOR, match_opcode, INSN_ALIAS }, ++{"xor", "I", "d,s,t", MATCH_XOR, MASK_XOR, match_opcode, 0 }, ++{"xor", "I", "d,s,j", MATCH_XORI, MASK_XORI, match_opcode, INSN_ALIAS }, ++{"lwu", "64I", "d,o(s)", MATCH_LWU, MASK_LWU, match_opcode, 0 }, ++{"lwu", "64I", "d,A", 0, (int) M_LWU, match_never, INSN_MACRO }, ++{"ld", "64C", "d,Cn(Cc)", MATCH_C_LDSP, MASK_C_LDSP, match_rd_nonzero, INSN_ALIAS }, ++{"ld", "64C", "Ct,Cl(Cs)", MATCH_C_LD, MASK_C_LD, match_opcode, INSN_ALIAS }, ++{"ld", "64I", "d,o(s)", MATCH_LD, MASK_LD, match_opcode, 0 }, ++{"ld", "64I", "d,A", 0, (int) M_LD, match_never, INSN_MACRO }, ++{"sd", "64C", "CV,CN(Cc)", MATCH_C_SDSP, MASK_C_SDSP, match_opcode, INSN_ALIAS }, ++{"sd", "64C", "Ct,Cl(Cs)", MATCH_C_SD, MASK_C_SD, match_opcode, INSN_ALIAS }, ++{"sd", "64I", "t,q(s)", MATCH_SD, MASK_SD, match_opcode, 0 }, ++{"sd", "64I", "t,A,s", 0, (int) M_SD, match_never, INSN_MACRO }, ++{"sext.w", "64C", "d,CU", MATCH_C_ADDIW, MASK_C_ADDIW | MASK_RVC_IMM, match_rd_nonzero, INSN_ALIAS }, ++{"sext.w", "64I", "d,s", MATCH_ADDIW, MASK_ADDIW | MASK_IMM, match_opcode, INSN_ALIAS }, ++{"addiw", "64C", "d,CU,Cj", MATCH_C_ADDIW, MASK_C_ADDIW, match_rd_nonzero, INSN_ALIAS }, ++{"addiw", "64I", "d,s,j", MATCH_ADDIW, MASK_ADDIW, match_opcode, 0 }, ++{"addw", "64C", "Cs,Cw,Ct", MATCH_C_ADDW, MASK_C_ADDW, match_opcode, INSN_ALIAS }, ++{"addw", "64C", "Cs,Ct,Cw", MATCH_C_ADDW, MASK_C_ADDW, match_opcode, INSN_ALIAS }, ++{"addw", "64C", "d,CU,Cj", MATCH_C_ADDIW, MASK_C_ADDIW, match_rd_nonzero, INSN_ALIAS }, ++{"addw", "64I", "d,s,t", MATCH_ADDW, MASK_ADDW, match_opcode, 0 }, ++{"addw", "64I", "d,s,j", MATCH_ADDIW, MASK_ADDIW, match_opcode, INSN_ALIAS }, ++{"negw", "64I", "d,t", MATCH_SUBW, MASK_SUBW | MASK_RS1, match_opcode, INSN_ALIAS }, /* sub 0 */ ++{"slliw", "64I", "d,s,<", MATCH_SLLIW, MASK_SLLIW, match_opcode, 0 }, ++{"sllw", "64I", "d,s,t", MATCH_SLLW, MASK_SLLW, match_opcode, 0 }, ++{"sllw", "64I", "d,s,<", MATCH_SLLIW, MASK_SLLIW, match_opcode, INSN_ALIAS }, ++{"srliw", "64I", "d,s,<", MATCH_SRLIW, MASK_SRLIW, match_opcode, 0 }, ++{"srlw", "64I", "d,s,t", MATCH_SRLW, MASK_SRLW, match_opcode, 0 }, ++{"srlw", "64I", "d,s,<", MATCH_SRLIW, MASK_SRLIW, match_opcode, INSN_ALIAS }, ++{"sraiw", "64I", "d,s,<", MATCH_SRAIW, MASK_SRAIW, match_opcode, 0 }, ++{"sraw", "64I", "d,s,t", MATCH_SRAW, MASK_SRAW, match_opcode, 0 }, ++{"sraw", "64I", "d,s,<", MATCH_SRAIW, MASK_SRAIW, match_opcode, INSN_ALIAS }, ++{"subw", "64C", "Cs,Cw,Ct", MATCH_C_SUBW, MASK_C_SUBW, match_opcode, INSN_ALIAS }, ++{"subw", "64I", "d,s,t", MATCH_SUBW, MASK_SUBW, match_opcode, 0 }, ++ ++/* Atomic memory operation instruction subset */ ++{"lr.w", "A", "d,0(s)", MATCH_LR_W, MASK_LR_W | MASK_AQRL, match_opcode, 0 }, ++{"sc.w", "A", "d,t,0(s)", MATCH_SC_W, MASK_SC_W | MASK_AQRL, match_opcode, 0 }, ++{"amoadd.w", "A", "d,t,0(s)", MATCH_AMOADD_W, MASK_AMOADD_W | MASK_AQRL, match_opcode, 0 }, ++{"amoswap.w", "A", "d,t,0(s)", MATCH_AMOSWAP_W, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, 0 }, ++{"amoand.w", "A", "d,t,0(s)", MATCH_AMOAND_W, MASK_AMOAND_W | MASK_AQRL, match_opcode, 0 }, ++{"amoor.w", "A", "d,t,0(s)", MATCH_AMOOR_W, MASK_AMOOR_W | MASK_AQRL, match_opcode, 0 }, ++{"amoxor.w", "A", "d,t,0(s)", MATCH_AMOXOR_W, MASK_AMOXOR_W | MASK_AQRL, match_opcode, 0 }, ++{"amomax.w", "A", "d,t,0(s)", MATCH_AMOMAX_W, MASK_AMOMAX_W | MASK_AQRL, match_opcode, 0 }, ++{"amomaxu.w", "A", "d,t,0(s)", MATCH_AMOMAXU_W, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, 0 }, ++{"amomin.w", "A", "d,t,0(s)", MATCH_AMOMIN_W, MASK_AMOMIN_W | MASK_AQRL, match_opcode, 0 }, ++{"amominu.w", "A", "d,t,0(s)", MATCH_AMOMINU_W, MASK_AMOMINU_W | MASK_AQRL, match_opcode, 0 }, ++{"lr.w.aq", "A", "d,0(s)", MATCH_LR_W | MASK_AQ, MASK_LR_W | MASK_AQRL, match_opcode, 0 }, ++{"sc.w.aq", "A", "d,t,0(s)", MATCH_SC_W | MASK_AQ, MASK_SC_W | MASK_AQRL, match_opcode, 0 }, ++{"amoadd.w.aq", "A", "d,t,0(s)", MATCH_AMOADD_W | MASK_AQ, MASK_AMOADD_W | MASK_AQRL, match_opcode, 0 }, ++{"amoswap.w.aq", "A", "d,t,0(s)", MATCH_AMOSWAP_W | MASK_AQ, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, 0 }, ++{"amoand.w.aq", "A", "d,t,0(s)", MATCH_AMOAND_W | MASK_AQ, MASK_AMOAND_W | MASK_AQRL, match_opcode, 0 }, ++{"amoor.w.aq", "A", "d,t,0(s)", MATCH_AMOOR_W | MASK_AQ, MASK_AMOOR_W | MASK_AQRL, match_opcode, 0 }, ++{"amoxor.w.aq", "A", "d,t,0(s)", MATCH_AMOXOR_W | MASK_AQ, MASK_AMOXOR_W | MASK_AQRL, match_opcode, 0 }, ++{"amomax.w.aq", "A", "d,t,0(s)", MATCH_AMOMAX_W | MASK_AQ, MASK_AMOMAX_W | MASK_AQRL, match_opcode, 0 }, ++{"amomaxu.w.aq", "A", "d,t,0(s)", MATCH_AMOMAXU_W | MASK_AQ, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, 0 }, ++{"amomin.w.aq", "A", "d,t,0(s)", MATCH_AMOMIN_W | MASK_AQ, MASK_AMOMIN_W | MASK_AQRL, match_opcode, 0 }, ++{"amominu.w.aq", "A", "d,t,0(s)", MATCH_AMOMINU_W | MASK_AQ, MASK_AMOMINU_W | MASK_AQRL, match_opcode, 0 }, ++{"lr.w.rl", "A", "d,0(s)", MATCH_LR_W | MASK_RL, MASK_LR_W | MASK_AQRL, match_opcode, 0 }, ++{"sc.w.rl", "A", "d,t,0(s)", MATCH_SC_W | MASK_RL, MASK_SC_W | MASK_AQRL, match_opcode, 0 }, ++{"amoadd.w.rl", "A", "d,t,0(s)", MATCH_AMOADD_W | MASK_RL, MASK_AMOADD_W | MASK_AQRL, match_opcode, 0 }, ++{"amoswap.w.rl", "A", "d,t,0(s)", MATCH_AMOSWAP_W | MASK_RL, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, 0 }, ++{"amoand.w.rl", "A", "d,t,0(s)", MATCH_AMOAND_W | MASK_RL, MASK_AMOAND_W | MASK_AQRL, match_opcode, 0 }, ++{"amoor.w.rl", "A", "d,t,0(s)", MATCH_AMOOR_W | MASK_RL, MASK_AMOOR_W | MASK_AQRL, match_opcode, 0 }, ++{"amoxor.w.rl", "A", "d,t,0(s)", MATCH_AMOXOR_W | MASK_RL, MASK_AMOXOR_W | MASK_AQRL, match_opcode, 0 }, ++{"amomax.w.rl", "A", "d,t,0(s)", MATCH_AMOMAX_W | MASK_RL, MASK_AMOMAX_W | MASK_AQRL, match_opcode, 0 }, ++{"amomaxu.w.rl", "A", "d,t,0(s)", MATCH_AMOMAXU_W | MASK_RL, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, 0 }, ++{"amomin.w.rl", "A", "d,t,0(s)", MATCH_AMOMIN_W | MASK_RL, MASK_AMOMIN_W | MASK_AQRL, match_opcode, 0 }, ++{"amominu.w.rl", "A", "d,t,0(s)", MATCH_AMOMINU_W | MASK_RL, MASK_AMOMINU_W | MASK_AQRL, match_opcode, 0 }, ++{"lr.w.sc", "A", "d,0(s)", MATCH_LR_W | MASK_AQRL, MASK_LR_W | MASK_AQRL, match_opcode, 0 }, ++{"sc.w.sc", "A", "d,t,0(s)", MATCH_SC_W | MASK_AQRL, MASK_SC_W | MASK_AQRL, match_opcode, 0 }, ++{"amoadd.w.sc", "A", "d,t,0(s)", MATCH_AMOADD_W | MASK_AQRL, MASK_AMOADD_W | MASK_AQRL, match_opcode, 0 }, ++{"amoswap.w.sc", "A", "d,t,0(s)", MATCH_AMOSWAP_W | MASK_AQRL, MASK_AMOSWAP_W | MASK_AQRL, match_opcode, 0 }, ++{"amoand.w.sc", "A", "d,t,0(s)", MATCH_AMOAND_W | MASK_AQRL, MASK_AMOAND_W | MASK_AQRL, match_opcode, 0 }, ++{"amoor.w.sc", "A", "d,t,0(s)", MATCH_AMOOR_W | MASK_AQRL, MASK_AMOOR_W | MASK_AQRL, match_opcode, 0 }, ++{"amoxor.w.sc", "A", "d,t,0(s)", MATCH_AMOXOR_W | MASK_AQRL, MASK_AMOXOR_W | MASK_AQRL, match_opcode, 0 }, ++{"amomax.w.sc", "A", "d,t,0(s)", MATCH_AMOMAX_W | MASK_AQRL, MASK_AMOMAX_W | MASK_AQRL, match_opcode, 0 }, ++{"amomaxu.w.sc", "A", "d,t,0(s)", MATCH_AMOMAXU_W | MASK_AQRL, MASK_AMOMAXU_W | MASK_AQRL, match_opcode, 0 }, ++{"amomin.w.sc", "A", "d,t,0(s)", MATCH_AMOMIN_W | MASK_AQRL, MASK_AMOMIN_W | MASK_AQRL, match_opcode, 0 }, ++{"amominu.w.sc", "A", "d,t,0(s)", MATCH_AMOMINU_W | MASK_AQRL, MASK_AMOMINU_W | MASK_AQRL, match_opcode, 0 }, ++{"lr.d", "64A", "d,0(s)", MATCH_LR_D, MASK_LR_D | MASK_AQRL, match_opcode, 0 }, ++{"sc.d", "64A", "d,t,0(s)", MATCH_SC_D, MASK_SC_D | MASK_AQRL, match_opcode, 0 }, ++{"amoadd.d", "64A", "d,t,0(s)", MATCH_AMOADD_D, MASK_AMOADD_D | MASK_AQRL, match_opcode, 0 }, ++{"amoswap.d", "64A", "d,t,0(s)", MATCH_AMOSWAP_D, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, 0 }, ++{"amoand.d", "64A", "d,t,0(s)", MATCH_AMOAND_D, MASK_AMOAND_D | MASK_AQRL, match_opcode, 0 }, ++{"amoor.d", "64A", "d,t,0(s)", MATCH_AMOOR_D, MASK_AMOOR_D | MASK_AQRL, match_opcode, 0 }, ++{"amoxor.d", "64A", "d,t,0(s)", MATCH_AMOXOR_D, MASK_AMOXOR_D | MASK_AQRL, match_opcode, 0 }, ++{"amomax.d", "64A", "d,t,0(s)", MATCH_AMOMAX_D, MASK_AMOMAX_D | MASK_AQRL, match_opcode, 0 }, ++{"amomaxu.d", "64A", "d,t,0(s)", MATCH_AMOMAXU_D, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, 0 }, ++{"amomin.d", "64A", "d,t,0(s)", MATCH_AMOMIN_D, MASK_AMOMIN_D | MASK_AQRL, match_opcode, 0 }, ++{"amominu.d", "64A", "d,t,0(s)", MATCH_AMOMINU_D, MASK_AMOMINU_D | MASK_AQRL, match_opcode, 0 }, ++{"lr.d.aq", "64A", "d,0(s)", MATCH_LR_D | MASK_AQ, MASK_LR_D | MASK_AQRL, match_opcode, 0 }, ++{"sc.d.aq", "64A", "d,t,0(s)", MATCH_SC_D | MASK_AQ, MASK_SC_D | MASK_AQRL, match_opcode, 0 }, ++{"amoadd.d.aq", "64A", "d,t,0(s)", MATCH_AMOADD_D | MASK_AQ, MASK_AMOADD_D | MASK_AQRL, match_opcode, 0 }, ++{"amoswap.d.aq", "64A", "d,t,0(s)", MATCH_AMOSWAP_D | MASK_AQ, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, 0 }, ++{"amoand.d.aq", "64A", "d,t,0(s)", MATCH_AMOAND_D | MASK_AQ, MASK_AMOAND_D | MASK_AQRL, match_opcode, 0 }, ++{"amoor.d.aq", "64A", "d,t,0(s)", MATCH_AMOOR_D | MASK_AQ, MASK_AMOOR_D | MASK_AQRL, match_opcode, 0 }, ++{"amoxor.d.aq", "64A", "d,t,0(s)", MATCH_AMOXOR_D | MASK_AQ, MASK_AMOXOR_D | MASK_AQRL, match_opcode, 0 }, ++{"amomax.d.aq", "64A", "d,t,0(s)", MATCH_AMOMAX_D | MASK_AQ, MASK_AMOMAX_D | MASK_AQRL, match_opcode, 0 }, ++{"amomaxu.d.aq", "64A", "d,t,0(s)", MATCH_AMOMAXU_D | MASK_AQ, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, 0 }, ++{"amomin.d.aq", "64A", "d,t,0(s)", MATCH_AMOMIN_D | MASK_AQ, MASK_AMOMIN_D | MASK_AQRL, match_opcode, 0 }, ++{"amominu.d.aq", "64A", "d,t,0(s)", MATCH_AMOMINU_D | MASK_AQ, MASK_AMOMINU_D | MASK_AQRL, match_opcode, 0 }, ++{"lr.d.rl", "64A", "d,0(s)", MATCH_LR_D | MASK_RL, MASK_LR_D | MASK_AQRL, match_opcode, 0 }, ++{"sc.d.rl", "64A", "d,t,0(s)", MATCH_SC_D | MASK_RL, MASK_SC_D | MASK_AQRL, match_opcode, 0 }, ++{"amoadd.d.rl", "64A", "d,t,0(s)", MATCH_AMOADD_D | MASK_RL, MASK_AMOADD_D | MASK_AQRL, match_opcode, 0 }, ++{"amoswap.d.rl", "64A", "d,t,0(s)", MATCH_AMOSWAP_D | MASK_RL, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, 0 }, ++{"amoand.d.rl", "64A", "d,t,0(s)", MATCH_AMOAND_D | MASK_RL, MASK_AMOAND_D | MASK_AQRL, match_opcode, 0 }, ++{"amoor.d.rl", "64A", "d,t,0(s)", MATCH_AMOOR_D | MASK_RL, MASK_AMOOR_D | MASK_AQRL, match_opcode, 0 }, ++{"amoxor.d.rl", "64A", "d,t,0(s)", MATCH_AMOXOR_D | MASK_RL, MASK_AMOXOR_D | MASK_AQRL, match_opcode, 0 }, ++{"amomax.d.rl", "64A", "d,t,0(s)", MATCH_AMOMAX_D | MASK_RL, MASK_AMOMAX_D | MASK_AQRL, match_opcode, 0 }, ++{"amomaxu.d.rl", "64A", "d,t,0(s)", MATCH_AMOMAXU_D | MASK_RL, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, 0 }, ++{"amomin.d.rl", "64A", "d,t,0(s)", MATCH_AMOMIN_D | MASK_RL, MASK_AMOMIN_D | MASK_AQRL, match_opcode, 0 }, ++{"amominu.d.rl", "64A", "d,t,0(s)", MATCH_AMOMINU_D | MASK_RL, MASK_AMOMINU_D | MASK_AQRL, match_opcode, 0 }, ++{"lr.d.sc", "64A", "d,0(s)", MATCH_LR_D | MASK_AQRL, MASK_LR_D | MASK_AQRL, match_opcode, 0 }, ++{"sc.d.sc", "64A", "d,t,0(s)", MATCH_SC_D | MASK_AQRL, MASK_SC_D | MASK_AQRL, match_opcode, 0 }, ++{"amoadd.d.sc", "64A", "d,t,0(s)", MATCH_AMOADD_D | MASK_AQRL, MASK_AMOADD_D | MASK_AQRL, match_opcode, 0 }, ++{"amoswap.d.sc", "64A", "d,t,0(s)", MATCH_AMOSWAP_D | MASK_AQRL, MASK_AMOSWAP_D | MASK_AQRL, match_opcode, 0 }, ++{"amoand.d.sc", "64A", "d,t,0(s)", MATCH_AMOAND_D | MASK_AQRL, MASK_AMOAND_D | MASK_AQRL, match_opcode, 0 }, ++{"amoor.d.sc", "64A", "d,t,0(s)", MATCH_AMOOR_D | MASK_AQRL, MASK_AMOOR_D | MASK_AQRL, match_opcode, 0 }, ++{"amoxor.d.sc", "64A", "d,t,0(s)", MATCH_AMOXOR_D | MASK_AQRL, MASK_AMOXOR_D | MASK_AQRL, match_opcode, 0 }, ++{"amomax.d.sc", "64A", "d,t,0(s)", MATCH_AMOMAX_D | MASK_AQRL, MASK_AMOMAX_D | MASK_AQRL, match_opcode, 0 }, ++{"amomaxu.d.sc", "64A", "d,t,0(s)", MATCH_AMOMAXU_D | MASK_AQRL, MASK_AMOMAXU_D | MASK_AQRL, match_opcode, 0 }, ++{"amomin.d.sc", "64A", "d,t,0(s)", MATCH_AMOMIN_D | MASK_AQRL, MASK_AMOMIN_D | MASK_AQRL, match_opcode, 0 }, ++{"amominu.d.sc", "64A", "d,t,0(s)", MATCH_AMOMINU_D | MASK_AQRL, MASK_AMOMINU_D | MASK_AQRL, match_opcode, 0 }, ++ ++/* Multiply/Divide instruction subset */ ++{"mul", "M", "d,s,t", MATCH_MUL, MASK_MUL, match_opcode, 0 }, ++{"mulh", "M", "d,s,t", MATCH_MULH, MASK_MULH, match_opcode, 0 }, ++{"mulhu", "M", "d,s,t", MATCH_MULHU, MASK_MULHU, match_opcode, 0 }, ++{"mulhsu", "M", "d,s,t", MATCH_MULHSU, MASK_MULHSU, match_opcode, 0 }, ++{"div", "M", "d,s,t", MATCH_DIV, MASK_DIV, match_opcode, 0 }, ++{"divu", "M", "d,s,t", MATCH_DIVU, MASK_DIVU, match_opcode, 0 }, ++{"rem", "M", "d,s,t", MATCH_REM, MASK_REM, match_opcode, 0 }, ++{"remu", "M", "d,s,t", MATCH_REMU, MASK_REMU, match_opcode, 0 }, ++{"mulw", "64M", "d,s,t", MATCH_MULW, MASK_MULW, match_opcode, 0 }, ++{"divw", "64M", "d,s,t", MATCH_DIVW, MASK_DIVW, match_opcode, 0 }, ++{"divuw", "64M", "d,s,t", MATCH_DIVUW, MASK_DIVUW, match_opcode, 0 }, ++{"remw", "64M", "d,s,t", MATCH_REMW, MASK_REMW, match_opcode, 0 }, ++{"remuw", "64M", "d,s,t", MATCH_REMUW, MASK_REMUW, match_opcode, 0 }, ++ ++/* Single-precision floating-point instruction subset */ ++{"frsr", "F", "d", MATCH_FRCSR, MASK_FRCSR, match_opcode, 0 }, ++{"fssr", "F", "s", MATCH_FSCSR, MASK_FSCSR | MASK_RD, match_opcode, 0 }, ++{"fssr", "F", "d,s", MATCH_FSCSR, MASK_FSCSR, match_opcode, 0 }, ++{"frcsr", "F", "d", MATCH_FRCSR, MASK_FRCSR, match_opcode, 0 }, ++{"fscsr", "F", "s", MATCH_FSCSR, MASK_FSCSR | MASK_RD, match_opcode, 0 }, ++{"fscsr", "F", "d,s", MATCH_FSCSR, MASK_FSCSR, match_opcode, 0 }, ++{"frrm", "F", "d", MATCH_FRRM, MASK_FRRM, match_opcode, 0 }, ++{"fsrm", "F", "s", MATCH_FSRM, MASK_FSRM | MASK_RD, match_opcode, 0 }, ++{"fsrm", "F", "d,s", MATCH_FSRM, MASK_FSRM, match_opcode, 0 }, ++{"frflags", "F", "d", MATCH_FRFLAGS, MASK_FRFLAGS, match_opcode, 0 }, ++{"fsflags", "F", "s", MATCH_FSFLAGS, MASK_FSFLAGS | MASK_RD, match_opcode, 0 }, ++{"fsflags", "F", "d,s", MATCH_FSFLAGS, MASK_FSFLAGS, match_opcode, 0 }, ++{"flw", "32C", "D,Cm(Cc)", MATCH_C_FLWSP, MASK_C_FLWSP, match_opcode, INSN_ALIAS }, ++{"flw", "32C", "CD,Ck(Cs)", MATCH_C_FLW, MASK_C_FLW, match_opcode, INSN_ALIAS }, ++{"flw", "F", "D,o(s)", MATCH_FLW, MASK_FLW, match_opcode, 0 }, ++{"flw", "F", "D,A,s", 0, (int) M_FLW, match_never, INSN_MACRO }, ++{"fsw", "32C", "CT,CM(Cc)", MATCH_C_FSWSP, MASK_C_FSWSP, match_opcode, INSN_ALIAS }, ++{"fsw", "32C", "CD,Ck(Cs)", MATCH_C_FSW, MASK_C_FSW, match_opcode, INSN_ALIAS }, ++{"fsw", "F", "T,q(s)", MATCH_FSW, MASK_FSW, match_opcode, 0 }, ++{"fsw", "F", "T,A,s", 0, (int) M_FSW, match_never, INSN_MACRO }, ++{"fmv.x.s", "F", "d,S", MATCH_FMV_X_S, MASK_FMV_X_S, match_opcode, 0 }, ++{"fmv.s.x", "F", "D,s", MATCH_FMV_S_X, MASK_FMV_S_X, match_opcode, 0 }, ++{"fmv.s", "F", "D,U", MATCH_FSGNJ_S, MASK_FSGNJ_S, match_rs1_eq_rs2, INSN_ALIAS }, ++{"fneg.s", "F", "D,U", MATCH_FSGNJN_S, MASK_FSGNJN_S, match_rs1_eq_rs2, INSN_ALIAS }, ++{"fabs.s", "F", "D,U", MATCH_FSGNJX_S, MASK_FSGNJX_S, match_rs1_eq_rs2, INSN_ALIAS }, ++{"fsgnj.s", "F", "D,S,T", MATCH_FSGNJ_S, MASK_FSGNJ_S, match_opcode, 0 }, ++{"fsgnjn.s", "F", "D,S,T", MATCH_FSGNJN_S, MASK_FSGNJN_S, match_opcode, 0 }, ++{"fsgnjx.s", "F", "D,S,T", MATCH_FSGNJX_S, MASK_FSGNJX_S, match_opcode, 0 }, ++{"fadd.s", "F", "D,S,T", MATCH_FADD_S | MASK_RM, MASK_FADD_S | MASK_RM, match_opcode, 0 }, ++{"fadd.s", "F", "D,S,T,m", MATCH_FADD_S, MASK_FADD_S, match_opcode, 0 }, ++{"fsub.s", "F", "D,S,T", MATCH_FSUB_S | MASK_RM, MASK_FSUB_S | MASK_RM, match_opcode, 0 }, ++{"fsub.s", "F", "D,S,T,m", MATCH_FSUB_S, MASK_FSUB_S, match_opcode, 0 }, ++{"fmul.s", "F", "D,S,T", MATCH_FMUL_S | MASK_RM, MASK_FMUL_S | MASK_RM, match_opcode, 0 }, ++{"fmul.s", "F", "D,S,T,m", MATCH_FMUL_S, MASK_FMUL_S, match_opcode, 0 }, ++{"fdiv.s", "F", "D,S,T", MATCH_FDIV_S | MASK_RM, MASK_FDIV_S | MASK_RM, match_opcode, 0 }, ++{"fdiv.s", "F", "D,S,T,m", MATCH_FDIV_S, MASK_FDIV_S, match_opcode, 0 }, ++{"fsqrt.s", "F", "D,S", MATCH_FSQRT_S | MASK_RM, MASK_FSQRT_S | MASK_RM, match_opcode, 0 }, ++{"fsqrt.s", "F", "D,S,m", MATCH_FSQRT_S, MASK_FSQRT_S, match_opcode, 0 }, ++{"fmin.s", "F", "D,S,T", MATCH_FMIN_S, MASK_FMIN_S, match_opcode, 0 }, ++{"fmax.s", "F", "D,S,T", MATCH_FMAX_S, MASK_FMAX_S, match_opcode, 0 }, ++{"fmadd.s", "F", "D,S,T,R", MATCH_FMADD_S | MASK_RM, MASK_FMADD_S | MASK_RM, match_opcode, 0 }, ++{"fmadd.s", "F", "D,S,T,R,m", MATCH_FMADD_S, MASK_FMADD_S, match_opcode, 0 }, ++{"fnmadd.s", "F", "D,S,T,R", MATCH_FNMADD_S | MASK_RM, MASK_FNMADD_S | MASK_RM, match_opcode, 0 }, ++{"fnmadd.s", "F", "D,S,T,R,m", MATCH_FNMADD_S, MASK_FNMADD_S, match_opcode, 0 }, ++{"fmsub.s", "F", "D,S,T,R", MATCH_FMSUB_S | MASK_RM, MASK_FMSUB_S | MASK_RM, match_opcode, 0 }, ++{"fmsub.s", "F", "D,S,T,R,m", MATCH_FMSUB_S, MASK_FMSUB_S, match_opcode, 0 }, ++{"fnmsub.s", "F", "D,S,T,R", MATCH_FNMSUB_S | MASK_RM, MASK_FNMSUB_S | MASK_RM, match_opcode, 0 }, ++{"fnmsub.s", "F", "D,S,T,R,m", MATCH_FNMSUB_S, MASK_FNMSUB_S, match_opcode, 0 }, ++{"fcvt.w.s", "F", "d,S", MATCH_FCVT_W_S | MASK_RM, MASK_FCVT_W_S | MASK_RM, match_opcode, 0 }, ++{"fcvt.w.s", "F", "d,S,m", MATCH_FCVT_W_S, MASK_FCVT_W_S, match_opcode, 0 }, ++{"fcvt.wu.s", "F", "d,S", MATCH_FCVT_WU_S | MASK_RM, MASK_FCVT_WU_S | MASK_RM, match_opcode, 0 }, ++{"fcvt.wu.s", "F", "d,S,m", MATCH_FCVT_WU_S, MASK_FCVT_WU_S, match_opcode, 0 }, ++{"fcvt.s.w", "F", "D,s", MATCH_FCVT_S_W | MASK_RM, MASK_FCVT_S_W | MASK_RM, match_opcode, 0 }, ++{"fcvt.s.w", "F", "D,s,m", MATCH_FCVT_S_W, MASK_FCVT_S_W, match_opcode, 0 }, ++{"fcvt.s.wu", "F", "D,s", MATCH_FCVT_S_WU | MASK_RM, MASK_FCVT_S_W | MASK_RM, match_opcode, 0 }, ++{"fcvt.s.wu", "F", "D,s,m", MATCH_FCVT_S_WU, MASK_FCVT_S_WU, match_opcode, 0 }, ++{"fclass.s", "F", "d,S", MATCH_FCLASS_S, MASK_FCLASS_S, match_opcode, 0 }, ++{"feq.s", "F", "d,S,T", MATCH_FEQ_S, MASK_FEQ_S, match_opcode, 0 }, ++{"flt.s", "F", "d,S,T", MATCH_FLT_S, MASK_FLT_S, match_opcode, 0 }, ++{"fle.s", "F", "d,S,T", MATCH_FLE_S, MASK_FLE_S, match_opcode, 0 }, ++{"fgt.s", "F", "d,T,S", MATCH_FLT_S, MASK_FLT_S, match_opcode, 0 }, ++{"fge.s", "F", "d,T,S", MATCH_FLE_S, MASK_FLE_S, match_opcode, 0 }, ++{"fcvt.l.s", "64F", "d,S", MATCH_FCVT_L_S | MASK_RM, MASK_FCVT_L_S | MASK_RM, match_opcode, 0 }, ++{"fcvt.l.s", "64F", "d,S,m", MATCH_FCVT_L_S, MASK_FCVT_L_S, match_opcode, 0 }, ++{"fcvt.lu.s", "64F", "d,S", MATCH_FCVT_LU_S | MASK_RM, MASK_FCVT_LU_S | MASK_RM, match_opcode, 0 }, ++{"fcvt.lu.s", "64F", "d,S,m", MATCH_FCVT_LU_S, MASK_FCVT_LU_S, match_opcode, 0 }, ++{"fcvt.s.l", "64F", "D,s", MATCH_FCVT_S_L | MASK_RM, MASK_FCVT_S_L | MASK_RM, match_opcode, 0 }, ++{"fcvt.s.l", "64F", "D,s,m", MATCH_FCVT_S_L, MASK_FCVT_S_L, match_opcode, 0 }, ++{"fcvt.s.lu", "64F", "D,s", MATCH_FCVT_S_LU | MASK_RM, MASK_FCVT_S_L | MASK_RM, match_opcode, 0 }, ++{"fcvt.s.lu", "64F", "D,s,m", MATCH_FCVT_S_LU, MASK_FCVT_S_LU, match_opcode, 0 }, ++ ++/* Double-precision floating-point instruction subset */ ++{"fld", "C", "D,Cn(Cc)", MATCH_C_FLDSP, MASK_C_FLDSP, match_opcode, INSN_ALIAS }, ++{"fld", "C", "CD,Cl(Cs)", MATCH_C_FLD, MASK_C_FLD, match_opcode, INSN_ALIAS }, ++{"fld", "D", "D,o(s)", MATCH_FLD, MASK_FLD, match_opcode, 0 }, ++{"fld", "D", "D,A,s", 0, (int) M_FLD, match_never, INSN_MACRO }, ++{"fsd", "C", "CT,CN(Cc)", MATCH_C_FSDSP, MASK_C_FSDSP, match_opcode, INSN_ALIAS }, ++{"fsd", "C", "CD,Cl(Cs)", MATCH_C_FSD, MASK_C_FSD, match_opcode, INSN_ALIAS }, ++{"fsd", "D", "T,q(s)", MATCH_FSD, MASK_FSD, match_opcode, 0 }, ++{"fsd", "D", "T,A,s", 0, (int) M_FSD, match_never, INSN_MACRO }, ++{"fmv.d", "D", "D,U", MATCH_FSGNJ_D, MASK_FSGNJ_D, match_rs1_eq_rs2, INSN_ALIAS }, ++{"fneg.d", "D", "D,U", MATCH_FSGNJN_D, MASK_FSGNJN_D, match_rs1_eq_rs2, INSN_ALIAS }, ++{"fabs.d", "D", "D,U", MATCH_FSGNJX_D, MASK_FSGNJX_D, match_rs1_eq_rs2, INSN_ALIAS }, ++{"fsgnj.d", "D", "D,S,T", MATCH_FSGNJ_D, MASK_FSGNJ_D, match_opcode, 0 }, ++{"fsgnjn.d", "D", "D,S,T", MATCH_FSGNJN_D, MASK_FSGNJN_D, match_opcode, 0 }, ++{"fsgnjx.d", "D", "D,S,T", MATCH_FSGNJX_D, MASK_FSGNJX_D, match_opcode, 0 }, ++{"fadd.d", "D", "D,S,T", MATCH_FADD_D | MASK_RM, MASK_FADD_D | MASK_RM, match_opcode, 0 }, ++{"fadd.d", "D", "D,S,T,m", MATCH_FADD_D, MASK_FADD_D, match_opcode, 0 }, ++{"fsub.d", "D", "D,S,T", MATCH_FSUB_D | MASK_RM, MASK_FSUB_D | MASK_RM, match_opcode, 0 }, ++{"fsub.d", "D", "D,S,T,m", MATCH_FSUB_D, MASK_FSUB_D, match_opcode, 0 }, ++{"fmul.d", "D", "D,S,T", MATCH_FMUL_D | MASK_RM, MASK_FMUL_D | MASK_RM, match_opcode, 0 }, ++{"fmul.d", "D", "D,S,T,m", MATCH_FMUL_D, MASK_FMUL_D, match_opcode, 0 }, ++{"fdiv.d", "D", "D,S,T", MATCH_FDIV_D | MASK_RM, MASK_FDIV_D | MASK_RM, match_opcode, 0 }, ++{"fdiv.d", "D", "D,S,T,m", MATCH_FDIV_D, MASK_FDIV_D, match_opcode, 0 }, ++{"fsqrt.d", "D", "D,S", MATCH_FSQRT_D | MASK_RM, MASK_FSQRT_D | MASK_RM, match_opcode, 0 }, ++{"fsqrt.d", "D", "D,S,m", MATCH_FSQRT_D, MASK_FSQRT_D, match_opcode, 0 }, ++{"fmin.d", "D", "D,S,T", MATCH_FMIN_D, MASK_FMIN_D, match_opcode, 0 }, ++{"fmax.d", "D", "D,S,T", MATCH_FMAX_D, MASK_FMAX_D, match_opcode, 0 }, ++{"fmadd.d", "D", "D,S,T,R", MATCH_FMADD_D | MASK_RM, MASK_FMADD_D | MASK_RM, match_opcode, 0 }, ++{"fmadd.d", "D", "D,S,T,R,m", MATCH_FMADD_D, MASK_FMADD_D, match_opcode, 0 }, ++{"fnmadd.d", "D", "D,S,T,R", MATCH_FNMADD_D | MASK_RM, MASK_FNMADD_D | MASK_RM, match_opcode, 0 }, ++{"fnmadd.d", "D", "D,S,T,R,m", MATCH_FNMADD_D, MASK_FNMADD_D, match_opcode, 0 }, ++{"fmsub.d", "D", "D,S,T,R", MATCH_FMSUB_D | MASK_RM, MASK_FMSUB_D | MASK_RM, match_opcode, 0 }, ++{"fmsub.d", "D", "D,S,T,R,m", MATCH_FMSUB_D, MASK_FMSUB_D, match_opcode, 0 }, ++{"fnmsub.d", "D", "D,S,T,R", MATCH_FNMSUB_D | MASK_RM, MASK_FNMSUB_D | MASK_RM, match_opcode, 0 }, ++{"fnmsub.d", "D", "D,S,T,R,m", MATCH_FNMSUB_D, MASK_FNMSUB_D, match_opcode, 0 }, ++{"fcvt.w.d", "D", "d,S", MATCH_FCVT_W_D | MASK_RM, MASK_FCVT_W_D | MASK_RM, match_opcode, 0 }, ++{"fcvt.w.d", "D", "d,S,m", MATCH_FCVT_W_D, MASK_FCVT_W_D, match_opcode, 0 }, ++{"fcvt.wu.d", "D", "d,S", MATCH_FCVT_WU_D | MASK_RM, MASK_FCVT_WU_D | MASK_RM, match_opcode, 0 }, ++{"fcvt.wu.d", "D", "d,S,m", MATCH_FCVT_WU_D, MASK_FCVT_WU_D, match_opcode, 0 }, ++{"fcvt.d.w", "D", "D,s", MATCH_FCVT_D_W, MASK_FCVT_D_W | MASK_RM, match_opcode, 0 }, ++{"fcvt.d.wu", "D", "D,s", MATCH_FCVT_D_WU, MASK_FCVT_D_WU | MASK_RM, match_opcode, 0 }, ++{"fcvt.d.s", "D", "D,S", MATCH_FCVT_D_S, MASK_FCVT_D_S | MASK_RM, match_opcode, 0 }, ++{"fcvt.s.d", "D", "D,S", MATCH_FCVT_S_D | MASK_RM, MASK_FCVT_S_D | MASK_RM, match_opcode, 0 }, ++{"fcvt.s.d", "D", "D,S,m", MATCH_FCVT_S_D, MASK_FCVT_S_D, match_opcode, 0 }, ++{"fclass.d", "D", "d,S", MATCH_FCLASS_D, MASK_FCLASS_D, match_opcode, 0 }, ++{"feq.d", "D", "d,S,T", MATCH_FEQ_D, MASK_FEQ_D, match_opcode, 0 }, ++{"flt.d", "D", "d,S,T", MATCH_FLT_D, MASK_FLT_D, match_opcode, 0 }, ++{"fle.d", "D", "d,S,T", MATCH_FLE_D, MASK_FLE_D, match_opcode, 0 }, ++{"fgt.d", "D", "d,T,S", MATCH_FLT_D, MASK_FLT_D, match_opcode, 0 }, ++{"fge.d", "D", "d,T,S", MATCH_FLE_D, MASK_FLE_D, match_opcode, 0 }, ++{"fmv.x.d", "64D", "d,S", MATCH_FMV_X_D, MASK_FMV_X_D, match_opcode, 0 }, ++{"fmv.d.x", "64D", "D,s", MATCH_FMV_D_X, MASK_FMV_D_X, match_opcode, 0 }, ++{"fcvt.l.d", "64D", "d,S", MATCH_FCVT_L_D | MASK_RM, MASK_FCVT_L_D | MASK_RM, match_opcode, 0 }, ++{"fcvt.l.d", "64D", "d,S,m", MATCH_FCVT_L_D, MASK_FCVT_L_D, match_opcode, 0 }, ++{"fcvt.lu.d", "64D", "d,S", MATCH_FCVT_LU_D | MASK_RM, MASK_FCVT_LU_D | MASK_RM, match_opcode, 0 }, ++{"fcvt.lu.d", "64D", "d,S,m", MATCH_FCVT_LU_D, MASK_FCVT_LU_D, match_opcode, 0 }, ++{"fcvt.d.l", "64D", "D,s", MATCH_FCVT_D_L | MASK_RM, MASK_FCVT_D_L | MASK_RM, match_opcode, 0 }, ++{"fcvt.d.l", "64D", "D,s,m", MATCH_FCVT_D_L, MASK_FCVT_D_L, match_opcode, 0 }, ++{"fcvt.d.lu", "64D", "D,s", MATCH_FCVT_D_LU | MASK_RM, MASK_FCVT_D_L | MASK_RM, match_opcode, 0 }, ++{"fcvt.d.lu", "64D", "D,s,m", MATCH_FCVT_D_LU, MASK_FCVT_D_LU, match_opcode, 0 }, ++ ++/* Compressed instructions */ ++{"c.ebreak", "C", "", MATCH_C_EBREAK, MASK_C_EBREAK, match_opcode, 0 }, ++{"c.jr", "C", "d", MATCH_C_JR, MASK_C_JR, match_rd_nonzero, 0 }, ++{"c.jalr", "C", "d", MATCH_C_JALR, MASK_C_JALR, match_rd_nonzero, 0 }, ++{"c.j", "C", "Ca", MATCH_C_J, MASK_C_J, match_opcode, 0 }, ++{"c.jal", "32C", "Ca", MATCH_C_JAL, MASK_C_JAL, match_opcode, 0 }, ++{"c.beqz", "C", "Cs,Cp", MATCH_C_BEQZ, MASK_C_BEQZ, match_opcode, 0 }, ++{"c.bnez", "C", "Cs,Cp", MATCH_C_BNEZ, MASK_C_BNEZ, match_opcode, 0 }, ++{"c.lwsp", "C", "d,Cm(Cc)", MATCH_C_LWSP, MASK_C_LWSP, match_rd_nonzero, 0 }, ++{"c.lw", "C", "Ct,Ck(Cs)", MATCH_C_LW, MASK_C_LW, match_opcode, 0 }, ++{"c.swsp", "C", "CV,CM(Cc)", MATCH_C_SWSP, MASK_C_SWSP, match_opcode, 0 }, ++{"c.sw", "C", "Ct,Ck(Cs)", MATCH_C_SW, MASK_C_SW, match_opcode, 0 }, ++{"c.nop", "C", "", MATCH_C_ADDI, 0xffff, match_opcode, 0 }, ++{"c.mv", "C", "d,CV", MATCH_C_MV, MASK_C_MV, match_c_add, 0 }, ++{"c.lui", "C", "d,Cu", MATCH_C_LUI, MASK_C_LUI, match_c_lui, 0 }, ++{"c.li", "C", "d,Cj", MATCH_C_LI, MASK_C_LI, match_rd_nonzero, 0 }, ++{"c.addi4spn","C", "Ct,Cc,CK", MATCH_C_ADDI4SPN, MASK_C_ADDI4SPN, match_opcode, 0 }, ++{"c.addi16sp","C", "Cc,CL", MATCH_C_ADDI16SP, MASK_C_ADDI16SP, match_opcode, 0 }, ++{"c.addi", "C", "d,Cj", MATCH_C_ADDI, MASK_C_ADDI, match_rd_nonzero, 0 }, ++{"c.add", "C", "d,CV", MATCH_C_ADD, MASK_C_ADD, match_c_add, 0 }, ++{"c.sub", "C", "Cs,Ct", MATCH_C_SUB, MASK_C_SUB, match_opcode, 0 }, ++{"c.and", "C", "Cs,Ct", MATCH_C_AND, MASK_C_AND, match_opcode, 0 }, ++{"c.or", "C", "Cs,Ct", MATCH_C_OR, MASK_C_OR, match_opcode, 0 }, ++{"c.xor", "C", "Cs,Ct", MATCH_C_XOR, MASK_C_XOR, match_opcode, 0 }, ++{"c.slli", "C", "d,C>", MATCH_C_SLLI, MASK_C_SLLI, match_rd_nonzero, 0 }, ++{"c.srli", "C", "Cs,C>", MATCH_C_SRLI, MASK_C_SRLI, match_opcode, 0 }, ++{"c.srai", "C", "Cs,C>", MATCH_C_SRAI, MASK_C_SRAI, match_opcode, 0 }, ++{"c.andi", "C", "Cs,Cj", MATCH_C_ANDI, MASK_C_ANDI, match_opcode, 0 }, ++{"c.addiw", "64C", "d,Cj", MATCH_C_ADDIW, MASK_C_ADDIW, match_rd_nonzero, 0 }, ++{"c.addw", "64C", "Cs,Ct", MATCH_C_ADDW, MASK_C_ADDW, match_opcode, 0 }, ++{"c.subw", "64C", "Cs,Ct", MATCH_C_SUBW, MASK_C_SUBW, match_opcode, 0 }, ++{"c.ldsp", "64C", "d,Cn(Cc)", MATCH_C_LDSP, MASK_C_LDSP, match_rd_nonzero, 0 }, ++{"c.ld", "64C", "Ct,Cl(Cs)", MATCH_C_LD, MASK_C_LD, match_opcode, 0 }, ++{"c.sdsp", "64C", "CV,CN(Cc)", MATCH_C_SDSP, MASK_C_SDSP, match_opcode, 0 }, ++{"c.sd", "64C", "Ct,Cl(Cs)", MATCH_C_SD, MASK_C_SD, match_opcode, 0 }, ++{"c.fldsp", "C", "D,Cn(Cc)", MATCH_C_FLDSP, MASK_C_FLDSP, match_opcode, 0 }, ++{"c.fld", "C", "CD,Cl(Cs)", MATCH_C_FLD, MASK_C_FLD, match_opcode, 0 }, ++{"c.fsdsp", "C", "CT,CN(Cc)", MATCH_C_FSDSP, MASK_C_FSDSP, match_opcode, 0 }, ++{"c.fsd", "C", "CD,Cl(Cs)", MATCH_C_FSD, MASK_C_FSD, match_opcode, 0 }, ++{"c.flwsp", "32C", "D,Cm(Cc)", MATCH_C_FLWSP, MASK_C_FLWSP, match_opcode, 0 }, ++{"c.flw", "32C", "CD,Ck(Cs)", MATCH_C_FLW, MASK_C_FLW, match_opcode, 0 }, ++{"c.fswsp", "32C", "CT,CM(Cc)", MATCH_C_FSWSP, MASK_C_FSWSP, match_opcode, 0 }, ++{"c.fsw", "32C", "CD,Ck(Cs)", MATCH_C_FSW, MASK_C_FSW, match_opcode, 0 }, ++ ++/* Supervisor instructions */ ++{"csrr", "I", "d,E", MATCH_CSRRS, MASK_CSRRS | MASK_RS1, match_opcode, 0 }, ++{"csrwi", "I", "E,Z", MATCH_CSRRWI, MASK_CSRRWI | MASK_RD, match_opcode, 0 }, ++{"csrw", "I", "E,s", MATCH_CSRRW, MASK_CSRRW | MASK_RD, match_opcode, 0 }, ++{"csrw", "I", "E,Z", MATCH_CSRRWI, MASK_CSRRWI | MASK_RD, match_opcode, 0 }, ++{"csrsi", "I", "E,Z", MATCH_CSRRSI, MASK_CSRRSI | MASK_RD, match_opcode, 0 }, ++{"csrs", "I", "E,s", MATCH_CSRRS, MASK_CSRRS | MASK_RD, match_opcode, 0 }, ++{"csrs", "I", "E,Z", MATCH_CSRRSI, MASK_CSRRSI | MASK_RD, match_opcode, 0 }, ++{"csrci", "I", "E,Z", MATCH_CSRRCI, MASK_CSRRCI | MASK_RD, match_opcode, 0 }, ++{"csrc", "I", "E,s", MATCH_CSRRC, MASK_CSRRC | MASK_RD, match_opcode, 0 }, ++{"csrc", "I", "E,Z", MATCH_CSRRCI, MASK_CSRRCI | MASK_RD, match_opcode, 0 }, ++{"csrrw", "I", "d,E,s", MATCH_CSRRW, MASK_CSRRW, match_opcode, 0 }, ++{"csrrw", "I", "d,E,Z", MATCH_CSRRWI, MASK_CSRRWI, match_opcode, 0 }, ++{"csrrs", "I", "d,E,s", MATCH_CSRRS, MASK_CSRRS, match_opcode, 0 }, ++{"csrrs", "I", "d,E,Z", MATCH_CSRRSI, MASK_CSRRSI, match_opcode, 0 }, ++{"csrrc", "I", "d,E,s", MATCH_CSRRC, MASK_CSRRC, match_opcode, 0 }, ++{"csrrc", "I", "d,E,Z", MATCH_CSRRCI, MASK_CSRRCI, match_opcode, 0 }, ++{"csrrwi", "I", "d,E,Z", MATCH_CSRRWI, MASK_CSRRWI, match_opcode, 0 }, ++{"csrrsi", "I", "d,E,Z", MATCH_CSRRSI, MASK_CSRRSI, match_opcode, 0 }, ++{"csrrci", "I", "d,E,Z", MATCH_CSRRCI, MASK_CSRRCI, match_opcode, 0 }, ++{"eret", "I", "", MATCH_SRET, MASK_SRET, match_opcode, 0 }, ++{"sret", "I", "", MATCH_SRET, MASK_SRET, match_opcode, 0 }, ++{"sfence.vm", "I", "", MATCH_SFENCE_VM, MASK_SFENCE_VM | MASK_RS1, match_opcode, 0 }, ++{"sfence.vm", "I", "s", MATCH_SFENCE_VM, MASK_SFENCE_VM, match_opcode, 0 }, ++{"wfi", "I", "", MATCH_WFI, MASK_WFI, match_opcode, 0 }, ++ ++/* Rocket Custom Coprocessor extension */ ++{"custom0", "Xcustom", "d,s,t,^j", MATCH_CUSTOM0_RD_RS1_RS2, MASK_CUSTOM0_RD_RS1_RS2, match_opcode, 0}, ++{"custom0", "Xcustom", "d,s,^t,^j", MATCH_CUSTOM0_RD_RS1, MASK_CUSTOM0_RD_RS1, match_opcode, 0}, ++{"custom0", "Xcustom", "d,^s,^t,^j", MATCH_CUSTOM0_RD, MASK_CUSTOM0_RD, match_opcode, 0}, ++{"custom0", "Xcustom", "^d,s,t,^j", MATCH_CUSTOM0_RS1_RS2, MASK_CUSTOM0_RS1_RS2, match_opcode, 0}, ++{"custom0", "Xcustom", "^d,s,^t,^j", MATCH_CUSTOM0_RS1, MASK_CUSTOM0_RS1, match_opcode, 0}, ++{"custom0", "Xcustom", "^d,^s,^t,^j", MATCH_CUSTOM0, MASK_CUSTOM0, match_opcode, 0}, ++{"custom1", "Xcustom", "d,s,t,^j", MATCH_CUSTOM1_RD_RS1_RS2, MASK_CUSTOM1_RD_RS1_RS2, match_opcode, 0}, ++{"custom1", "Xcustom", "d,s,^t,^j", MATCH_CUSTOM1_RD_RS1, MASK_CUSTOM1_RD_RS1, match_opcode, 0}, ++{"custom1", "Xcustom", "d,^s,^t,^j", MATCH_CUSTOM1_RD, MASK_CUSTOM1_RD, match_opcode, 0}, ++{"custom1", "Xcustom", "^d,s,t,^j", MATCH_CUSTOM1_RS1_RS2, MASK_CUSTOM1_RS1_RS2, match_opcode, 0}, ++{"custom1", "Xcustom", "^d,s,^t,^j", MATCH_CUSTOM1_RS1, MASK_CUSTOM1_RS1, match_opcode, 0}, ++{"custom1", "Xcustom", "^d,^s,^t,^j", MATCH_CUSTOM1, MASK_CUSTOM1, match_opcode, 0}, ++{"custom2", "Xcustom", "d,s,t,^j", MATCH_CUSTOM2_RD_RS1_RS2, MASK_CUSTOM2_RD_RS1_RS2, match_opcode, 0}, ++{"custom2", "Xcustom", "d,s,^t,^j", MATCH_CUSTOM2_RD_RS1, MASK_CUSTOM2_RD_RS1, match_opcode, 0}, ++{"custom2", "Xcustom", "d,^s,^t,^j", MATCH_CUSTOM2_RD, MASK_CUSTOM2_RD, match_opcode, 0}, ++{"custom2", "Xcustom", "^d,s,t,^j", MATCH_CUSTOM2_RS1_RS2, MASK_CUSTOM2_RS1_RS2, match_opcode, 0}, ++{"custom2", "Xcustom", "^d,s,^t,^j", MATCH_CUSTOM2_RS1, MASK_CUSTOM2_RS1, match_opcode, 0}, ++{"custom2", "Xcustom", "^d,^s,^t,^j", MATCH_CUSTOM2, MASK_CUSTOM2, match_opcode, 0}, ++{"custom3", "Xcustom", "d,s,t,^j", MATCH_CUSTOM3_RD_RS1_RS2, MASK_CUSTOM3_RD_RS1_RS2, match_opcode, 0}, ++{"custom3", "Xcustom", "d,s,^t,^j", MATCH_CUSTOM3_RD_RS1, MASK_CUSTOM3_RD_RS1, match_opcode, 0}, ++{"custom3", "Xcustom", "d,^s,^t,^j", MATCH_CUSTOM3_RD, MASK_CUSTOM3_RD, match_opcode, 0}, ++{"custom3", "Xcustom", "^d,s,t,^j", MATCH_CUSTOM3_RS1_RS2, MASK_CUSTOM3_RS1_RS2, match_opcode, 0}, ++{"custom3", "Xcustom", "^d,s,^t,^j", MATCH_CUSTOM3_RS1, MASK_CUSTOM3_RS1, match_opcode, 0}, ++{"custom3", "Xcustom", "^d,^s,^t,^j", MATCH_CUSTOM3, MASK_CUSTOM3, match_opcode, 0}, ++}; ++ ++#define RISCV_NUM_OPCODES \ ++ ((sizeof riscv_builtin_opcodes) / (sizeof (riscv_builtin_opcodes[0]))) ++const int bfd_riscv_num_builtin_opcodes = RISCV_NUM_OPCODES; ++ ++/* Removed const from the following to allow for dynamic extensions to the ++ built-in instruction set. */ ++struct riscv_opcode *riscv_opcodes = ++ (struct riscv_opcode *) riscv_builtin_opcodes; ++int bfd_riscv_num_opcodes = RISCV_NUM_OPCODES; ++#undef RISCV_NUM_OPCODES +--- original-binutils/bfd/archures.c ++++ binutils-2.26/bfd/archures.c +@@ -612,6 +612,7 @@ extern const bfd_arch_info_type bfd_pj_a + extern const bfd_arch_info_type bfd_plugin_arch; + extern const bfd_arch_info_type bfd_powerpc_archs[]; + #define bfd_powerpc_arch bfd_powerpc_archs[0] ++extern const bfd_arch_info_type bfd_riscv_arch; + extern const bfd_arch_info_type bfd_rs6000_arch; + extern const bfd_arch_info_type bfd_rl78_arch; + extern const bfd_arch_info_type bfd_rx_arch; +@@ -701,6 +702,7 @@ static const bfd_arch_info_type * const + &bfd_or1k_arch, + &bfd_pdp11_arch, + &bfd_powerpc_arch, ++ &bfd_riscv_arch, + &bfd_rs6000_arch, + &bfd_rl78_arch, + &bfd_rx_arch, +--- original-binutils/bfd/bfd-in2.h ++++ binutils-2.26/bfd/bfd-in2.h +@@ -2073,6 +2073,9 @@ enum bfd_architecture + #define bfd_mach_ppc_e6500 5007 + #define bfd_mach_ppc_titan 83 + #define bfd_mach_ppc_vle 84 ++ bfd_arch_riscv, /* RISC-V */ ++#define bfd_mach_riscv32 132 ++#define bfd_mach_riscv64 164 + bfd_arch_rs6000, /* IBM RS/6000 */ + #define bfd_mach_rs6k 6000 + #define bfd_mach_rs6k_rs1 6001 +@@ -5652,6 +5655,46 @@ relative offset from _GLOBAL_OFFSET_TABL + value in a word. The relocation is relative offset from */ + BFD_RELOC_MICROBLAZE_32_GOTOFF, + ++/* RISC-V relocations. */ ++ BFD_RELOC_RISCV_HI20, ++ BFD_RELOC_RISCV_PCREL_HI20, ++ BFD_RELOC_RISCV_PCREL_LO12_I, ++ BFD_RELOC_RISCV_PCREL_LO12_S, ++ BFD_RELOC_RISCV_LO12_I, ++ BFD_RELOC_RISCV_LO12_S, ++ BFD_RELOC_RISCV_GPREL12_I, ++ BFD_RELOC_RISCV_GPREL12_S, ++ BFD_RELOC_RISCV_TPREL_HI20, ++ BFD_RELOC_RISCV_TPREL_LO12_I, ++ BFD_RELOC_RISCV_TPREL_LO12_S, ++ BFD_RELOC_RISCV_TPREL_ADD, ++ BFD_RELOC_RISCV_CALL, ++ BFD_RELOC_RISCV_CALL_PLT, ++ BFD_RELOC_RISCV_ADD8, ++ BFD_RELOC_RISCV_ADD16, ++ BFD_RELOC_RISCV_ADD32, ++ BFD_RELOC_RISCV_ADD64, ++ BFD_RELOC_RISCV_SUB8, ++ BFD_RELOC_RISCV_SUB16, ++ BFD_RELOC_RISCV_SUB32, ++ BFD_RELOC_RISCV_SUB64, ++ BFD_RELOC_RISCV_GOT_HI20, ++ BFD_RELOC_RISCV_TLS_GOT_HI20, ++ BFD_RELOC_RISCV_TLS_GD_HI20, ++ BFD_RELOC_RISCV_JMP, ++ BFD_RELOC_RISCV_TLS_DTPMOD32, ++ BFD_RELOC_RISCV_TLS_DTPREL32, ++ BFD_RELOC_RISCV_TLS_DTPMOD64, ++ BFD_RELOC_RISCV_TLS_DTPREL64, ++ BFD_RELOC_RISCV_TLS_TPREL32, ++ BFD_RELOC_RISCV_TLS_TPREL64, ++ BFD_RELOC_RISCV_ALIGN, ++ BFD_RELOC_RISCV_RVC_BRANCH, ++ BFD_RELOC_RISCV_RVC_JUMP, ++ BFD_RELOC_RISCV_RVC_LUI, ++ BFD_RELOC_RISCV_GPREL_I, ++ BFD_RELOC_RISCV_GPREL_S, ++ + /* This is used to tell the dynamic linker to copy the value out of + the dynamic object into the runtime process image. */ + BFD_RELOC_MICROBLAZE_COPY, +--- original-binutils/bfd/config.bfd ++++ binutils-2.26/bfd/config.bfd +@@ -120,6 +120,7 @@ or1k*|or1knd*) targ_archs=bfd_or1k_arch + pdp11*) targ_archs=bfd_pdp11_arch ;; + pj*) targ_archs="bfd_pj_arch bfd_i386_arch";; + powerpc*) targ_archs="bfd_rs6000_arch bfd_powerpc_arch" ;; ++riscv*) targ_archs=bfd_riscv_arch ;; + rs6000) targ_archs="bfd_rs6000_arch bfd_powerpc_arch" ;; + s390*) targ_archs=bfd_s390_arch ;; + sh*) targ_archs=bfd_sh_arch ;; +@@ -1344,6 +1345,18 @@ case "${targ}" in + targ_defvec=rl78_elf32_vec + ;; + ++ riscv32-*-*) ++ targ_defvec=riscv_elf32_vec ++ targ_selvecs="riscv_elf32_vec" ++ want64=true ++ ;; ++ ++ riscv64-*-*) ++ targ_defvec=riscv_elf64_vec ++ targ_selvecs="riscv_elf32_vec riscv_elf64_vec" ++ want64=true ++ ;; ++ + rx-*-elf) + targ_defvec=rx_elf32_le_vec + targ_selvecs="rx_elf32_be_vec rx_elf32_le_vec rx_elf32_be_ns_vec" +--- original-binutils/bfd/configure ++++ binutils-2.26/bfd/configure +@@ -15472,6 +15472,8 @@ do + powerpc_pei_vec) tb="$tb pei-ppc.lo peigen.lo $coff" ;; + powerpc_pei_le_vec) tb="$tb pei-ppc.lo peigen.lo $coff" ;; + powerpc_xcoff_vec) tb="$tb coff-rs6000.lo $xcoff" ;; ++ riscv_elf32_vec) tb="$tb elf32-riscv.lo elfxx-riscv.lo elf32.lo $elf" ;; ++ riscv_elf64_vec) tb="$tb elf64-riscv.lo elf64.lo elfxx-riscv.lo elf32.lo $elf"; target_size=64 ;; + rl78_elf32_vec) tb="$tb elf32-rl78.lo elf32.lo $elf" ;; + rs6000_xcoff64_vec) tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;; + rs6000_xcoff64_aix_vec) tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;; +--- original-binutils/bfd/configure.ac ++++ binutils-2.26/bfd/configure.ac +@@ -918,6 +918,8 @@ do + powerpc_pei_vec) tb="$tb pei-ppc.lo peigen.lo $coff" ;; + powerpc_pei_le_vec) tb="$tb pei-ppc.lo peigen.lo $coff" ;; + powerpc_xcoff_vec) tb="$tb coff-rs6000.lo $xcoff" ;; ++ riscv_elf32_vec) tb="$tb elf32-riscv.lo elfxx-riscv.lo elf32.lo $elf" ;; ++ riscv_elf64_vec) tb="$tb elf64-riscv.lo elf64.lo elfxx-riscv.lo elf32.lo $elf"; target_size=64 ;; + rl78_elf32_vec) tb="$tb elf32-rl78.lo elf32.lo $elf" ;; + rs6000_xcoff64_vec) tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;; + rs6000_xcoff64_aix_vec) tb="$tb coff64-rs6000.lo aix5ppc-core.lo $xcoff"; target_size=64 ;; +--- original-binutils/bfd/elf-bfd.h ++++ binutils-2.26/bfd/elf-bfd.h +@@ -475,6 +475,7 @@ enum elf_target_id + XGATE_ELF_DATA, + TILEGX_ELF_DATA, + TILEPRO_ELF_DATA, ++ RISCV_ELF_DATA, + GENERIC_ELF_DATA + }; + +--- original-binutils/bfd/Makefile.am ++++ binutils-2.26/bfd/Makefile.am +@@ -949,6 +949,18 @@ elf64-ia64.c : elfnn-ia64.c + $(SED) -e s/NN/64/g < $(srcdir)/elfnn-ia64.c > elf64-ia64.new + mv -f elf64-ia64.new elf64-ia64.c + ++elf32-riscv.c : elfnn-riscv.c ++ rm -f elf32-riscv.c ++ echo "#line 1 \"$(srcdir)/elfnn-riscv.c\"" > elf32-riscv.new ++ sed -e s/NN/32/g < $(srcdir)/elfnn-riscv.c >> elf32-riscv.new ++ mv -f elf32-riscv.new elf32-riscv.c ++ ++elf64-riscv.c : elfnn-riscv.c ++ rm -f elf64-riscv.c ++ echo "#line 1 \"$(srcdir)/elfnn-riscv.c\"" > elf64-riscv.new ++ sed -e s/NN/64/g < $(srcdir)/elfnn-riscv.c >> elf64-riscv.new ++ mv -f elf64-riscv.new elf64-riscv.c ++ + peigen.c : peXXigen.c + rm -f peigen.c + $(SED) -e s/XX/pe/g < $(srcdir)/peXXigen.c > peigen.new +--- original-binutils/bfd/Makefile.in ++++ binutils-2.26/bfd/Makefile.in +@@ -450,6 +450,7 @@ ALL_MACHINES = \ + cpu-pj.lo \ + cpu-plugin.lo \ + cpu-powerpc.lo \ ++ cpu-riscv.lo \ + cpu-rs6000.lo \ + cpu-rl78.lo \ + cpu-rx.lo \ +@@ -537,6 +538,7 @@ ALL_MACHINES_CFILES = \ + cpu-pj.c \ + cpu-plugin.c \ + cpu-powerpc.c \ ++ cpu-riscv.c \ + cpu-rs6000.c \ + cpu-rl78.c \ + cpu-rx.c \ +@@ -2035,6 +2037,18 @@ elf64-ia64.c : elfnn-ia64.c + $(SED) -e s/NN/64/g < $(srcdir)/elfnn-ia64.c > elf64-ia64.new + mv -f elf64-ia64.new elf64-ia64.c + ++elf32-riscv.c : elfnn-riscv.c ++ rm -f elf32-riscv.c ++ echo "#line 1 \"$(srcdir)/elfnn-riscv.c\"" > elf32-riscv.new ++ sed -e s/NN/32/g < $(srcdir)/elfnn-riscv.c >> elf32-riscv.new ++ mv -f elf32-riscv.new elf32-riscv.c ++ ++elf64-riscv.c : elfnn-riscv.c ++ rm -f elf64-riscv.c ++ echo "#line 1 \"$(srcdir)/elfnn-riscv.c\"" > elf64-riscv.new ++ sed -e s/NN/64/g < $(srcdir)/elfnn-riscv.c >> elf64-riscv.new ++ mv -f elf64-riscv.new elf64-riscv.c ++ + peigen.c : peXXigen.c + rm -f peigen.c + $(SED) -e s/XX/pe/g < $(srcdir)/peXXigen.c > peigen.new +--- original-binutils/bfd/targets.c ++++ binutils-2.26/bfd/targets.c +@@ -793,6 +793,8 @@ extern const bfd_target powerpc_pe_le_ve + extern const bfd_target powerpc_pei_vec; + extern const bfd_target powerpc_pei_le_vec; + extern const bfd_target powerpc_xcoff_vec; ++extern const bfd_target riscv_elf32_vec; ++extern const bfd_target riscv_elf64_vec; + extern const bfd_target rl78_elf32_vec; + extern const bfd_target rs6000_xcoff64_vec; + extern const bfd_target rs6000_xcoff64_aix_vec; +--- original-binutils/binutils/readelf.c ++++ binutils-2.26/binutils/readelf.c +@@ -124,6 +124,7 @@ + #include "elf/metag.h" + #include "elf/microblaze.h" + #include "elf/mips.h" ++#include "elf/riscv.h" + #include "elf/mmix.h" + #include "elf/mn10200.h" + #include "elf/mn10300.h" +@@ -771,6 +772,7 @@ guess_is_rela (unsigned int e_machine) + case EM_OR1K: + case EM_PPC64: + case EM_PPC: ++ case EM_RISCV: + case EM_RL78: + case EM_RX: + case EM_S390: +@@ -1309,6 +1311,10 @@ dump_relocations (FILE * file, + rtype = elf_mips_reloc_type (type); + break; + ++ case EM_RISCV: ++ rtype = elf_riscv_reloc_type (type); ++ break; ++ + case EM_ALPHA: + rtype = elf_alpha_reloc_type (type); + break; +@@ -2250,6 +2256,7 @@ get_machine_name (unsigned e_machine) + case EM_CR16: + case EM_MICROBLAZE: + case EM_MICROBLAZE_OLD: return "Xilinx MicroBlaze"; ++ case EM_RISCV: return "RISC-V"; + case EM_RL78: return "Renesas RL78"; + case EM_RX: return "Renesas RX"; + case EM_METAG: return "Imagination Technologies Meta processor architecture"; +@@ -3193,6 +3200,13 @@ get_machine_flags (unsigned e_flags, uns + decode_NDS32_machine_flags (e_flags, buf, sizeof buf); + break; + ++ case EM_RISCV: ++ if (e_flags & EF_RISCV_RVC) ++ strcat (buf, ", RVC"); ++ if (e_flags & EF_RISCV_SOFT_FLOAT) ++ strcat (buf, ", soft-float ABI"); ++ break; ++ + case EM_SH: + switch ((e_flags & EF_SH_MACH_MASK)) + { +@@ -11430,6 +11444,8 @@ is_32bit_abs_reloc (unsigned int reloc_t + return reloc_type == 1; /* R_PPC64_ADDR32. */ + case EM_PPC: + return reloc_type == 1; /* R_PPC_ADDR32. */ ++ case EM_RISCV: ++ return reloc_type == 1; /* R_RISCV_32. */ + case EM_RL78: + return reloc_type == 1; /* R_RL78_DIR32. */ + case EM_RX: +@@ -11576,6 +11592,8 @@ is_64bit_abs_reloc (unsigned int reloc_t + return reloc_type == 80; /* R_PARISC_DIR64. */ + case EM_PPC64: + return reloc_type == 38; /* R_PPC64_ADDR64. */ ++ case EM_RISCV: ++ return reloc_type == 2; /* R_RISCV_64. */ + case EM_SPARC32PLUS: + case EM_SPARCV9: + case EM_SPARC: +@@ -11730,6 +11748,7 @@ is_none_reloc (unsigned int reloc_type) + case EM_ADAPTEVA_EPIPHANY: + case EM_PPC: /* R_PPC_NONE. */ + case EM_PPC64: /* R_PPC64_NONE. */ ++ case EM_RISCV: /* R_RISCV_NONE. */ + case EM_ARC: /* R_ARC_NONE. */ + case EM_ARC_COMPACT: /* R_ARC_NONE. */ + case EM_ARC_COMPACT2: /* R_ARC_NONE. */ +--- original-binutils/gas/configure ++++ binutils-2.26/gas/configure +@@ -12418,7 +12418,7 @@ $as_echo "#define NDS32_DEFAULT_AUDIO_EX + $as_echo "$enable_audio_ext" >&6; } + ;; + +- i386 | s390 | sparc) ++ i386 | riscv | s390 | sparc) + if test $this_target = $target ; then + + cat >>confdefs.h <<_ACEOF +--- original-binutils/gas/configure.ac ++++ binutils-2.26/gas/configure.ac +@@ -466,7 +466,7 @@ changequote([,])dnl + AC_MSG_RESULT($enable_audio_ext) + ;; + +- i386 | s390 | sparc) ++ i386 | riscv | s390 | sparc) + if test $this_target = $target ; then + AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.]) + fi +--- original-binutils/gas/configure.tgt ++++ binutils-2.26/gas/configure.tgt +@@ -87,6 +87,8 @@ case ${cpu} in + pj*) cpu_type=pj endian=big ;; + powerpc*le*) cpu_type=ppc endian=little ;; + powerpc*) cpu_type=ppc endian=big ;; ++ riscv32*) cpu_type=riscv endian=little arch=riscv32 ;; ++ riscv64*) cpu_type=riscv endian=little arch=riscv64 ;; + rs6000*) cpu_type=ppc ;; + rl78*) cpu_type=rl78 ;; + rx) cpu_type=rx ;; +@@ -391,6 +393,8 @@ case ${generic_target} in + ppc-*-kaos*) fmt=elf ;; + ppc-*-lynxos*) fmt=elf em=lynx ;; + ++ riscv*-*-*) fmt=elf endian=little em=linux ;; ++ + s390-*-linux-*) fmt=elf em=linux ;; + s390-*-tpf*) fmt=elf ;; + +@@ -488,7 +492,7 @@ case ${generic_target} in + esac + + case ${cpu_type} in +- aarch64 | alpha | arm | i386 | ia64 | microblaze | mips | ns32k | or1k | or1knd | pdp11 | ppc | sparc | z80 | z8k) ++ aarch64 | alpha | arm | i386 | ia64 | microblaze | mips | ns32k | or1k | or1knd | pdp11 | ppc | riscv | sparc | z80 | z8k) + bfd_gas=yes + ;; + esac +--- original-binutils/gas/Makefile.am ++++ binutils-2.26/gas/Makefile.am +@@ -177,6 +177,7 @@ TARGET_CPU_CFILES = \ + config/tc-pdp11.c \ + config/tc-pj.c \ + config/tc-ppc.c \ ++ config/tc-riscv.c \ + config/tc-rl78.c \ + config/tc-rx.c \ + config/tc-s390.c \ +@@ -250,6 +251,7 @@ TARGET_CPU_HFILES = \ + config/tc-pdp11.h \ + config/tc-pj.h \ + config/tc-ppc.h \ ++ config/tc-riscv.h \ + config/tc-rl78.h \ + config/tc-rx.h \ + config/tc-s390.h \ +--- original-binutils/gas/Makefile.in ++++ binutils-2.26/gas/Makefile.in +@@ -448,6 +448,7 @@ TARGET_CPU_CFILES = \ + config/tc-pdp11.c \ + config/tc-pj.c \ + config/tc-ppc.c \ ++ config/tc-riscv.c \ + config/tc-rl78.c \ + config/tc-rx.c \ + config/tc-s390.c \ +@@ -521,6 +522,7 @@ TARGET_CPU_HFILES = \ + config/tc-pdp11.h \ + config/tc-pj.h \ + config/tc-ppc.h \ ++ config/tc-riscv.h \ + config/tc-rl78.h \ + config/tc-rx.h \ + config/tc-s390.h \ +@@ -878,6 +880,7 @@ distclean-compile: + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-pdp11.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-pj.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-ppc.Po@am__quote@ ++@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-riscv.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-rl78.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-rx.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tc-s390.Po@am__quote@ +@@ -1598,6 +1601,20 @@ tc-ppc.obj: config/tc-ppc.c + @AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ + @am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o tc-ppc.obj `if test -f 'config/tc-ppc.c'; then $(CYGPATH_W) 'config/tc-ppc.c'; else $(CYGPATH_W) '$(srcdir)/config/tc-ppc.c'; fi` + ++tc-riscv.o: config/tc-riscv.c ++@am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT tc-riscv.o -MD -MP -MF $(DEPDIR)/tc-riscv.Tpo -c -o tc-riscv.o `test -f 'config/tc-riscv.c' || echo '$(srcdir)/'`config/tc-riscv.c ++@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/tc-riscv.Tpo $(DEPDIR)/tc-riscv.Po ++@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='config/tc-riscv.c' object='tc-riscv.o' libtool=no @AMDEPBACKSLASH@ ++@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ ++@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o tc-riscv.o `test -f 'config/tc-riscv.c' || echo '$(srcdir)/'`config/tc-riscv.c ++ ++tc-riscv.obj: config/tc-riscv.c ++@am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT tc-riscv.obj -MD -MP -MF $(DEPDIR)/tc-riscv.Tpo -c -o tc-riscv.obj `if test -f 'config/tc-riscv.c'; then $(CYGPATH_W) 'config/tc-riscv.c'; else $(CYGPATH_W) '$(srcdir)/config/tc-riscv.c'; fi` ++@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/tc-riscv.Tpo $(DEPDIR)/tc-riscv.Po ++@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='config/tc-riscv.c' object='tc-riscv.obj' libtool=no @AMDEPBACKSLASH@ ++@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ ++@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o tc-riscv.obj `if test -f 'config/tc-riscv.c'; then $(CYGPATH_W) 'config/tc-riscv.c'; else $(CYGPATH_W) '$(srcdir)/config/tc-riscv.c'; fi` ++ + tc-rl78.o: config/tc-rl78.c + @am__fastdepCC_TRUE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT tc-rl78.o -MD -MP -MF $(DEPDIR)/tc-rl78.Tpo -c -o tc-rl78.o `test -f 'config/tc-rl78.c' || echo '$(srcdir)/'`config/tc-rl78.c + @am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/tc-rl78.Tpo $(DEPDIR)/tc-rl78.Po +--- original-binutils/include/dis-asm.h ++++ binutils-2.26/include/dis-asm.h +@@ -263,6 +263,7 @@ extern int print_insn_little_arm (bfd_vm + extern int print_insn_little_mips (bfd_vma, disassemble_info *); + extern int print_insn_little_nios2 (bfd_vma, disassemble_info *); + extern int print_insn_little_powerpc (bfd_vma, disassemble_info *); ++extern int print_insn_riscv (bfd_vma, disassemble_info *); + extern int print_insn_little_score (bfd_vma, disassemble_info *); + extern int print_insn_lm32 (bfd_vma, disassemble_info *); + extern int print_insn_m32c (bfd_vma, disassemble_info *); +@@ -327,6 +328,7 @@ extern void print_aarch64_disassembler_o + extern void print_i386_disassembler_options (FILE *); + extern void print_mips_disassembler_options (FILE *); + extern void print_ppc_disassembler_options (FILE *); ++extern void print_riscv_disassembler_options (FILE *); + extern void print_arm_disassembler_options (FILE *); + extern void parse_arm_disassembler_option (char *); + extern void print_s390_disassembler_options (FILE *); +--- original-binutils/include/elf/common.h ++++ binutils-2.26/include/elf/common.h +@@ -306,6 +306,7 @@ + #define EM_VISIUM 221 /* Controls and Data Services VISIUMcore processor */ + #define EM_FT32 222 /* FTDI Chip FT32 high performance 32-bit RISC architecture */ + #define EM_MOXIE 223 /* Moxie processor family */ ++#define EM_RISCV 243 /* RISC-V */ + + /* If it is necessary to assign new unofficial EM_* values, please pick large + random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision +--- original-binutils/ld/configure.tgt ++++ binutils-2.26/ld/configure.tgt +@@ -638,6 +638,12 @@ powerpc-*-aix*) targ_emul=aixppc ;; + powerpc-*-beos*) targ_emul=aixppc ;; + powerpc-*-windiss*) targ_emul=elf32ppcwindiss ;; + powerpc-*-lynxos*) targ_emul=ppclynx ;; ++riscv32*-*-*) targ_emul=elf32lriscv ++ targ_extra_emuls="elf64lriscv" ++ targ_extra_libpath=$targ_extra_emuls ;; ++riscv64*-*-*) targ_emul=elf64lriscv ++ targ_extra_emuls="elf32lriscv" ++ targ_extra_libpath=$targ_extra_emuls ;; + rs6000-*-aix[5-9]*) targ_emul=aix5rs6 ;; + rs6000-*-aix*) targ_emul=aixrs6 + ;; +--- original-binutils/ld/Makefile.am ++++ binutils-2.26/ld/Makefile.am +@@ -267,6 +267,7 @@ ALL_EMULATION_SOURCES = \ + eelf32ppcsim.c \ + eelf32ppcvxworks.c \ + eelf32ppcwindiss.c \ ++ eelf32lriscv.c \ + eelf32rl78.c \ + eelf32rx.c \ + eelf32tilegx.c \ +@@ -483,6 +484,7 @@ ALL_64_EMULATION_SOURCES = \ + eelf64btsmip_fbsd.c \ + eelf64hppa.c \ + eelf64lppc.c \ ++ eelf64lriscv.c \ + eelf64ltsmip.c \ + eelf64ltsmip_fbsd.c \ + eelf64mmix.c \ +@@ -1144,6 +1146,11 @@ eelf32lppcsim.c: $(srcdir)/emulparams/el + $(srcdir)/emultempl/ppc32elf.em ldemul-list.h \ + $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} + ++eelf32lriscv.c: $(srcdir)/emulparams/elf32lriscv.sh \ ++ $(srcdir)/emulparams/elf32lriscv-defs.sh $(ELF_DEPS) \ ++ $(srcdir)/emultempl/riscvelf.em $(srcdir)/scripttempl/elf.sc \ ++ ${GEN_DEPENDS} ++ + eelf32lsmip.c: $(srcdir)/emulparams/elf32lsmip.sh \ + $(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \ + $(ELF_DEPS) $(srcdir)/emultempl/mipself.em $(srcdir)/scripttempl/elf.sc \ +@@ -1937,6 +1944,12 @@ eelf64lppc.c: $(srcdir)/emulparams/elf64 + ldemul-list.h \ + $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} + ++eelf64lriscv.c: $(srcdir)/emulparams/elf64lriscv.sh \ ++ $(srcdir)/emulparams/elf64lriscv-defs.sh \ ++ $(srcdir)/emulparams/elf32lriscv-defs.sh $(ELF_DEPS) \ ++ $(srcdir)/emultempl/riscvelf.em $(srcdir)/scripttempl/elf.sc \ ++ ${GEN_DEPENDS} ++ + eelf64ltsmip.c: $(srcdir)/emulparams/elf64ltsmip.sh \ + $(srcdir)/emulparams/elf64btsmip.sh $(srcdir)/emulparams/elf64bmip-defs.sh \ + $(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \ +--- original-binutils/ld/Makefile.in ++++ binutils-2.26/ld/Makefile.in +@@ -577,6 +577,7 @@ ALL_EMULATION_SOURCES = \ + eelf32lppclinux.c \ + eelf32lppcnto.c \ + eelf32lppcsim.c \ ++ eelf32lriscv.c \ + eelf32m32c.c \ + eelf32mb_linux.c \ + eelf32mbel_linux.c \ +@@ -812,6 +813,7 @@ ALL_64_EMULATION_SOURCES = \ + eelf64btsmip_fbsd.c \ + eelf64hppa.c \ + eelf64lppc.c \ ++ eelf64lriscv.c \ + eelf64ltsmip.c \ + eelf64ltsmip_fbsd.c \ + eelf64mmix.c \ +@@ -1219,6 +1221,7 @@ distclean-compile: + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lppclinux.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lppcnto.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lppcsim.Po@am__quote@ ++@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lriscv.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lr5900.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lr5900n32.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lsmip.Po@am__quote@ +@@ -1274,6 +1277,7 @@ distclean-compile: + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64btsmip_fbsd.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64hppa.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64lppc.Po@am__quote@ ++@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64lriscv.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64ltsmip.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64ltsmip_fbsd.Po@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf64mmix.Po@am__quote@ +@@ -2650,6 +2654,11 @@ eelf32lppcsim.c: $(srcdir)/emulparams/el + $(srcdir)/emultempl/ppc32elf.em ldemul-list.h \ + $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} + ++eelf32lriscv.c: $(srcdir)/emulparams/elf32lriscv.sh \ ++ $(srcdir)/emulparams/elf32lriscv-defs.sh $(ELF_DEPS) \ ++ $(srcdir)/emultempl/riscvelf.em $(srcdir)/scripttempl/elf.sc \ ++ ${GEN_DEPENDS} ++ + eelf32lsmip.c: $(srcdir)/emulparams/elf32lsmip.sh \ + $(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \ + $(ELF_DEPS) $(srcdir)/emultempl/mipself.em $(srcdir)/scripttempl/elf.sc \ +@@ -3443,6 +3452,12 @@ eelf64lppc.c: $(srcdir)/emulparams/elf64 + ldemul-list.h \ + $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} + ++eelf64lriscv.c: $(srcdir)/emulparams/elf64lriscv.sh \ ++ $(srcdir)/emulparams/elf64lriscv-defs.sh \ ++ $(srcdir)/emulparams/elf32lriscv-defs.sh $(ELF_DEPS) \ ++ $(srcdir)/emultempl/riscvelf.em $(srcdir)/scripttempl/elf.sc \ ++ ${GEN_DEPENDS} ++ + eelf64ltsmip.c: $(srcdir)/emulparams/elf64ltsmip.sh \ + $(srcdir)/emulparams/elf64btsmip.sh $(srcdir)/emulparams/elf64bmip-defs.sh \ + $(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \ +--- original-binutils/opcodes/configure ++++ binutils-2.26/opcodes/configure +@@ -12603,6 +12603,7 @@ if test x${all_targets} = xfalse ; then + bfd_powerpc_arch) ta="$ta ppc-dis.lo ppc-opc.lo" ;; + bfd_powerpc_64_arch) ta="$ta ppc-dis.lo ppc-opc.lo" ;; + bfd_pyramid_arch) ;; ++ bfd_riscv_arch) ta="$ta riscv-dis.lo riscv-opc.lo" ;; + bfd_romp_arch) ;; + bfd_rs6000_arch) ta="$ta ppc-dis.lo ppc-opc.lo" ;; + bfd_rl78_arch) ta="$ta rl78-dis.lo rl78-decode.lo";; +--- original-binutils/opcodes/disassemble.c ++++ binutils-2.26/opcodes/disassemble.c +@@ -376,6 +376,11 @@ disassembler (abfd) + disassemble = print_insn_little_powerpc; + break; + #endif ++#ifdef ARCH_riscv ++ case bfd_arch_riscv: ++ disassemble = print_insn_riscv; ++ break; ++#endif + #ifdef ARCH_rs6000 + case bfd_arch_rs6000: + if (bfd_get_mach (abfd) == bfd_mach_ppc_620) +@@ -558,6 +563,9 @@ disassembler_usage (stream) + #ifdef ARCH_powerpc + print_ppc_disassembler_options (stream); + #endif ++#ifdef ARCH_riscv ++ print_riscv_disassembler_options (stream); ++#endif + #ifdef ARCH_i386 + print_i386_disassembler_options (stream); + #endif |