diff options
Diffstat (limited to 'payloads/libpayload/include/gdb.h')
| -rw-r--r-- | payloads/libpayload/include/gdb.h | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/payloads/libpayload/include/gdb.h b/payloads/libpayload/include/gdb.h new file mode 100644 index 0000000000..283ca045ec --- /dev/null +++ b/payloads/libpayload/include/gdb.h @@ -0,0 +1,241 @@ +/* + * Copyright 2014 Google Inc. + * + * 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 2 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 St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _GDB_H_ +#define _GDB_H_ + +#include <stdint.h> + +struct gdb_message +{ + u8 *buf; + int used; + const int size; +}; + +struct gdb_state +{ + u8 signal; + u8 resumed : 1; + u8 connected : 1; +}; +extern struct gdb_state gdb_state; + +typedef void (*gdb_command_handler)(struct gdb_message *command, + int offset, struct gdb_message *reply); +struct gdb_command +{ + const char *str; + gdb_command_handler handler; +}; +extern struct gdb_command gdb_commands[]; +extern const int gdb_command_count; + +/* arch/gdb.c */ + +void gdb_arch_init(void); +void gdb_arch_enter(void); + +int gdb_arch_set_single_step(int on); + +void gdb_arch_encode_regs(struct gdb_message *message); +void gdb_arch_decode_regs(int offset, struct gdb_message *message); + +/* gdb/transport.c */ + +void gdb_transport_init(void); +void gdb_transport_teardown(void); + +void gdb_message_encode_bytes(struct gdb_message *message, const void *data, + int length); +void gdb_message_decode_bytes(const struct gdb_message *message, int offset, + void *data, int length); +void gdb_message_encode_zero_bytes(struct gdb_message *message, int length); + +void gdb_message_add_string(struct gdb_message *message, const char *string); + +void gdb_message_encode_int(struct gdb_message *message, uintptr_t val); +uintptr_t gdb_message_decode_int(const struct gdb_message *message, int offset, + int length); + +int gdb_message_tokenize(const struct gdb_message *message, int *offset); + +void gdb_get_command(struct gdb_message *command); +void gdb_send_reply(const struct gdb_message *reply); + +/* gdb/stub.c */ + +void gdb_command_loop(uint8_t signal); + +enum { + GDB_SIG0 = 0, /* Signal 0 */ + GDB_SIGHUP = 1, /* Hangup */ + GDB_SIGINT = 2, /* Interrupt */ + GDB_SIGQUIT = 3, /* Quit */ + GDB_SIGILL = 4, /* Illegal instruction */ + GDB_SIGTRAP = 5, /* Trace/breakpoint trap */ + GDB_SIGABRT = 6, /* Aborted */ + GDB_SIGEMT = 7, /* Emulation trap */ + GDB_SIGFPE = 8, /* Arithmetic exception */ + GDB_SIGKILL = 9, /* Killed */ + GDB_SIGBUS = 10, /* Bus error */ + GDB_SIGSEGV = 11, /* Segmentation fault */ + GDB_SIGSYS = 12, /* Bad system call */ + GDB_SIGPIPE = 13, /* Broken pipe */ + GDB_SIGALRM = 14, /* Alarm clock */ + GDB_SIGTERM = 15, /* Terminated */ + GDB_SIGURG = 16, /* Urgent I/O condition */ + GDB_SIGSTOP = 17, /* Stopped (signal) */ + GDB_SIGTSTP = 18, /* Stopped (user) */ + GDB_SIGCONT = 19, /* Continued */ + GDB_SIGCHLD = 20, /* Child status changed */ + GDB_SIGTTIN = 21, /* Stopped (ttyinput) */ + GDB_SIGTTOU = 22, /* Stopped (ttyoutput) */ + GDB_SIGIO = 23, /* I/O possible */ + GDB_SIGXCPU = 24, /* CPU time limit exceeded */ + GDB_SIGXFSZ = 25, /* File size limit exceeded */ + GDB_SIGVTALRM = 26, /* Virtual timer expired */ + GDB_SIGPROF = 27, /* Profiling timer expired */ + GDB_SIGWINCH = 28, /* Window size changed */ + GDB_SIGLOST = 29, /* Resource lost */ + GDB_SIGUSR1 = 30, /* User defined signal1 */ + GDB_SUGUSR2 = 31, /* User defined signal2 */ + GDB_SIGPWR = 32, /* Powerfail/restart */ + GDB_SIGPOLL = 33, /* Pollable event occurred */ + GDB_SIGWIND = 34, /* SIGWIND */ + GDB_SIGPHONE = 35, /* SIGPHONE */ + GDB_SIGWAITING = 36, /* Process's LWPs are blocked */ + GDB_SIGLWP = 37, /* Signal LWP */ + GDB_SIGDANGER = 38, /* Swap space dangerously low */ + GDB_SIGGRANT = 39, /* Monitor mode granted */ + GDB_SIGRETRACT = 40, /* Need to relinquish monitor mode */ + GDB_SIGMSG = 41, /* Monitor mode data available */ + GDB_SIGSOUND = 42, /* Sound completed */ + GDB_SIGSAK = 43, /* Secure attention */ + GDB_SIGPRIO = 44, /* SIGPRIO */ + + GDB_SIG33 = 45, /* Real-timeevent 33 */ + GDB_SIG34 = 46, /* Real-timeevent 34 */ + GDB_SIG35 = 47, /* Real-timeevent 35 */ + GDB_SIG36 = 48, /* Real-timeevent 36 */ + GDB_SIG37 = 49, /* Real-timeevent 37 */ + GDB_SIG38 = 50, /* Real-timeevent 38 */ + GDB_SIG39 = 51, /* Real-timeevent 39 */ + GDB_SIG40 = 52, /* Real-timeevent 40 */ + GDB_SIG41 = 53, /* Real-timeevent 41 */ + GDB_SIG42 = 54, /* Real-timeevent 42 */ + GDB_SIG43 = 55, /* Real-timeevent 43 */ + GDB_SIG44 = 56, /* Real-timeevent 44 */ + GDB_SIG45 = 57, /* Real-timeevent 45 */ + GDB_SIG46 = 58, /* Real-timeevent 46 */ + GDB_SIG47 = 59, /* Real-timeevent 47 */ + GDB_SIG48 = 60, /* Real-timeevent 48 */ + GDB_SIG49 = 61, /* Real-timeevent 49 */ + GDB_SIG50 = 62, /* Real-timeevent 50 */ + GDB_SIG51 = 63, /* Real-timeevent 51 */ + GDB_SIG52 = 64, /* Real-timeevent 52 */ + GDB_SIG53 = 65, /* Real-timeevent 53 */ + GDB_SIG54 = 66, /* Real-timeevent 54 */ + GDB_SIG55 = 67, /* Real-timeevent 55 */ + GDB_SIG56 = 68, /* Real-timeevent 56 */ + GDB_SIG57 = 69, /* Real-timeevent 57 */ + GDB_SIG58 = 70, /* Real-timeevent 58 */ + GDB_SIG59 = 71, /* Real-timeevent 59 */ + GDB_SIG60 = 72, /* Real-timeevent 60 */ + GDB_SIG61 = 73, /* Real-timeevent 61 */ + GDB_SIG62 = 74, /* Real-timeevent 62 */ + GDB_SIG63 = 75, /* Real-timeevent 63 */ + GDB_SIGCANCEL = 76, /* LWP internal signal */ + GDB_SIG32 = 77, /* Real-timeevent 32 */ + GDB_SIG64 = 78, /* Real-timeevent 64 */ + GDB_SIG65 = 79, /* Real-timeevent 65 */ + GDB_SIG66 = 80, /* Real-timeevent 66 */ + GDB_SIG67 = 81, /* Real-timeevent 67 */ + GDB_SIG68 = 82, /* Real-timeevent 68 */ + GDB_SIG69 = 83, /* Real-timeevent 69 */ + GDB_SIG70 = 84, /* Real-timeevent 70 */ + GDB_SIG71 = 85, /* Real-timeevent 71 */ + GDB_SIG72 = 86, /* Real-timeevent 72 */ + GDB_SIG73 = 87, /* Real-timeevent 73 */ + GDB_SIG74 = 88, /* Real-timeevent 74 */ + GDB_SIG75 = 89, /* Real-timeevent 75 */ + GDB_SIG76 = 90, /* Real-timeevent 76 */ + GDB_SIG77 = 91, /* Real-timeevent 77 */ + GDB_SIG78 = 92, /* Real-timeevent 78 */ + GDB_SIG79 = 93, /* Real-timeevent 79 */ + GDB_SIG80 = 94, /* Real-timeevent 80 */ + GDB_SIG81 = 95, /* Real-timeevent 81 */ + GDB_SIG82 = 96, /* Real-timeevent 82 */ + GDB_SIG83 = 97, /* Real-timeevent 83 */ + GDB_SIG84 = 98, /* Real-timeevent 84 */ + GDB_SIG85 = 99, /* Real-timeevent 85 */ + GDB_SIG86 = 100, /* Real-timeevent 86 */ + GDB_SIG87 = 101, /* Real-timeevent 87 */ + GDB_SIG88 = 102, /* Real-timeevent 88 */ + GDB_SIG89 = 103, /* Real-timeevent 89 */ + GDB_SIG90 = 104, /* Real-timeevent 90 */ + GDB_SIG91 = 105, /* Real-timeevent 91 */ + GDB_SIG92 = 106, /* Real-timeevent 92 */ + GDB_SIG93 = 107, /* Real-timeevent 93 */ + GDB_SIG94 = 108, /* Real-timeevent 94 */ + GDB_SIG95 = 109, /* Real-timeevent 95 */ + GDB_SIG96 = 110, /* Real-timeevent 96 */ + GDB_SIG97 = 111, /* Real-timeevent 97 */ + GDB_SIG98 = 112, /* Real-timeevent 98 */ + GDB_SIG99 = 113, /* Real-timeevent 99 */ + GDB_SIG100 = 114, /* Real-timeevent 100 */ + GDB_SIG101 = 115, /* Real-timeevent 101 */ + GDB_SIG102 = 116, /* Real-timeevent 102 */ + GDB_SIG103 = 117, /* Real-timeevent 103 */ + GDB_SIG104 = 118, /* Real-timeevent 104 */ + GDB_SIG105 = 119, /* Real-timeevent 105 */ + GDB_SIG106 = 120, /* Real-timeevent 106 */ + GDB_SIG107 = 121, /* Real-timeevent 107 */ + GDB_SIG108 = 122, /* Real-timeevent 108 */ + GDB_SIG109 = 123, /* Real-timeevent 109 */ + GDB_SIG110 = 124, /* Real-timeevent 110 */ + GDB_SIG111 = 125, /* Real-timeevent 111 */ + GDB_SIG112 = 126, /* Real-timeevent 112 */ + GDB_SIG113 = 127, /* Real-timeevent 113 */ + GDB_SIG114 = 128, /* Real-timeevent 114 */ + GDB_SIG115 = 129, /* Real-timeevent 115 */ + GDB_SIG116 = 130, /* Real-timeevent 116 */ + GDB_SIG117 = 131, /* Real-timeevent 117 */ + GDB_SIG118 = 132, /* Real-timeevent 118 */ + GDB_SIG119 = 133, /* Real-timeevent 119 */ + GDB_SIG120 = 134, /* Real-timeevent 120 */ + GDB_SIG121 = 135, /* Real-timeevent 121 */ + GDB_SIG122 = 136, /* Real-timeevent 122 */ + GDB_SIG123 = 137, /* Real-timeevent 123 */ + GDB_SIG124 = 138, /* Real-timeevent 124 */ + GDB_SIG125 = 139, /* Real-timeevent 125 */ + GDB_SIG126 = 140, /* Real-timeevent 126 */ + GDB_SIG127 = 141, /* Real-timeevent 127 */ + GDB_SIGINFO = 142, /* Information request */ + GDB_UNKNOWN1 = 43, /* Unknownsignal */ + GDB_DEFAULT = 144, /* error:defaultsignal */ + /* Machexceptions */ + GDB_EXC_BAD_ACCESS = 145, /* Could not access memory */ + GDB_EXC_BAD_INSTRCTION = 146, /* Illegal instruction/operand */ + GDB_EXC_ARITHMETIC = 147, /* Arithmetic exception */ + GDB_EXC_EMULATION = 148, /* Emulation instruction */ + GDB_EXC_SOFTWARE = 149, /* Software generated exception */ + GDB_EXC_BREAKPOINT = 150, /* Breakpoint */ +}; + +#endif /* _GDB_H_ */ |