diff options
Diffstat (limited to 'util/crossgcc/patches/binutils-2.26.1_aarch.patch')
| -rw-r--r-- | util/crossgcc/patches/binutils-2.26.1_aarch.patch | 123 |
1 files changed, 92 insertions, 31 deletions
diff --git a/util/crossgcc/patches/binutils-2.26.1_aarch.patch b/util/crossgcc/patches/binutils-2.26.1_aarch.patch index 78934d4bcc..1e709d19b1 100644 --- a/util/crossgcc/patches/binutils-2.26.1_aarch.patch +++ b/util/crossgcc/patches/binutils-2.26.1_aarch.patch @@ -1,32 +1,93 @@ -diff -Naur binutils-2.26.1/gas/config/tc-aarch64.c binutils-2.26.1/gas/config/tc-aarch64.c ---- binutils-2.26.1/gas/config/tc-aarch64.c 2016-01-25 01:51:06.000000000 -0700 -+++ binutils-2.26.1/gas/config/tc-aarch64.c 2016-07-14 10:05:37.667935255 -0600 -@@ -1857,12 +1857,7 @@ - return; - } - -- /* Sections are assumed to start aligned. In executable section, there is no -- MAP_DATA symbol pending. So we only align the address during -- MAP_DATA --> MAP_INSN transition. -- For other sections, this is not guaranteed. */ -- enum mstate mapstate = seg_info (now_seg)->tc_segment_info_data.mapstate; -- if (!need_pass_2 && subseg_text_p (now_seg) && mapstate == MAP_DATA) -+ if (!need_pass_2) - frag_align_code (2, 0); - - #ifdef OBJ_ELF -@@ -6040,14 +6035,6 @@ - - init_operand_error_report (); - -- /* Sections are assumed to start aligned. In executable section, there is no -- MAP_DATA symbol pending. So we only align the address during -- MAP_DATA --> MAP_INSN transition. -- For other sections, this is not guaranteed. */ -- enum mstate mapstate = seg_info (now_seg)->tc_segment_info_data.mapstate; -- if (!need_pass_2 && subseg_text_p (now_seg) && mapstate == MAP_DATA) -- frag_align_code (2, 0); +diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c +index 2d491f6..e221ef4 100644 +--- a/gas/config/tc-aarch64.c ++++ b/gas/config/tc-aarch64.c +@@ -1736,13 +1736,13 @@ s_ltorg (int ignored ATTRIBUTE_UNUSED) + if (pool == NULL || pool->symbol == NULL || pool->next_free_entry == 0) + continue; + +- mapping_state (MAP_DATA); - - saved_cond = inst.cond; - reset_aarch64_instruction (&inst); - inst.cond = saved_cond; + /* Align pool as you have word accesses. + Only make a frag if we have to. */ + if (!need_pass_2) + frag_align (align, 0, 0); + ++ mapping_state (MAP_DATA); ++ + record_alignment (now_seg, align); + + sprintf (sym_name, "$$lit_\002%x", pool->id); +@@ -6373,11 +6373,15 @@ aarch64_init_frag (fragS * fragP, int max_chars) + + switch (fragP->fr_type) + { +- case rs_align: + case rs_align_test: + case rs_fill: + mapping_state_2 (MAP_DATA, max_chars); + break; ++ case rs_align: ++ /* PR 20364: We can get alignment frags in code sections, ++ so do not just assume that we should use the MAP_DATA state. */ ++ mapping_state_2 (subseg_text_p (now_seg) ? MAP_INSN : MAP_DATA, max_chars); ++ break; + case rs_align_code: + mapping_state_2 (MAP_INSN, max_chars); + break; +diff --git a/gas/testsuite/gas/aarch64/pr20364.d b/gas/testsuite/gas/aarch64/pr20364.d +new file mode 100644 +index 0000000..babcff1 +--- /dev/null ++++ b/gas/testsuite/gas/aarch64/pr20364.d +@@ -0,0 +1,13 @@ ++# Check that ".align <size>, <fill>" does not set the mapping state to DATA, causing unnecessary frag generation. ++#name: PR20364 ++#objdump: -d ++ ++.*: file format .* ++ ++Disassembly of section \.vectors: ++ ++0+000 <.*>: ++ 0: d2800000 mov x0, #0x0 // #0 ++ 4: 94000000 bl 0 <plat_report_exception> ++ 8: 17fffffe b 0 <bl1_exceptions> ++ +diff --git a/gas/testsuite/gas/aarch64/pr20364.s b/gas/testsuite/gas/aarch64/pr20364.s +new file mode 100644 +index 0000000..594ad7c +--- /dev/null ++++ b/gas/testsuite/gas/aarch64/pr20364.s +@@ -0,0 +1,28 @@ ++ .macro vector_base label ++ .section .vectors, "ax" ++ .align 11, 0 ++ \label: ++ .endm ++ ++ .macro vector_entry label ++ .section .vectors, "ax" ++ .align 7, 0 ++ \label: ++ .endm ++ ++ .macro check_vector_size since ++ .if (. - \since) > (32 * 4) ++ .error "Vector exceeds 32 instructions" ++ .endif ++ .endm ++ ++ .globl bl1_exceptions ++ ++vector_base bl1_exceptions ++ ++vector_entry SynchronousExceptionSP0 ++ mov x0, #0x0 ++ bl plat_report_exception ++ b SynchronousExceptionSP0 ++ check_vector_size SynchronousExceptionSP0 ++ +-- +1.7.1 + |