diff options
Diffstat (limited to 'gdb/amd64-tdep.c')
| -rw-r--r-- | gdb/amd64-tdep.c | 42 |
1 files changed, 27 insertions, 15 deletions
diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c index d39c5e0..258496a 100644 --- a/gdb/amd64-tdep.c +++ b/gdb/amd64-tdep.c @@ -677,6 +677,7 @@ amd64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); gdb_byte buf[8]; /* Pass arguments. */ @@ -685,17 +686,17 @@ amd64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, /* Pass "hidden" argument". */ if (struct_return) { - store_unsigned_integer (buf, 8, struct_addr); + store_unsigned_integer (buf, 8, byte_order, struct_addr); regcache_cooked_write (regcache, AMD64_RDI_REGNUM, buf); } /* Store return address. */ sp -= 8; - store_unsigned_integer (buf, 8, bp_addr); + store_unsigned_integer (buf, 8, byte_order, bp_addr); write_memory (sp, buf, 8); /* Finally, update the stack pointer... */ - store_unsigned_integer (buf, 8, sp); + store_unsigned_integer (buf, 8, byte_order, sp); regcache_cooked_write (regcache, AMD64_RSP_REGNUM, buf); /* ...and fake a frame pointer. */ @@ -1034,6 +1035,7 @@ static void fixup_riprel (struct gdbarch *gdbarch, struct displaced_step_closure *dsc, CORE_ADDR from, CORE_ADDR to, struct regcache *regs) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); const struct amd64_insn *insn_details = &dsc->insn_details; int modrm_offset = insn_details->modrm_offset; gdb_byte *insn = insn_details->raw_insn + modrm_offset; @@ -1047,7 +1049,7 @@ fixup_riprel (struct gdbarch *gdbarch, struct displaced_step_closure *dsc, ++insn; /* Compute the rip-relative address. */ - disp = extract_signed_integer (insn, sizeof (int32_t)); + disp = extract_signed_integer (insn, sizeof (int32_t), byte_order); insn_length = amd64_insn_length (gdbarch, dsc->insn_buf, dsc->max_len, from); rip_base = from + insn_length; @@ -1251,6 +1253,7 @@ amd64_displaced_step_fixup (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); /* The offset we applied to the instruction's address. */ ULONGEST insn_offset = to - from; gdb_byte *insn = dsc->insn_buf; @@ -1354,9 +1357,9 @@ amd64_displaced_step_fixup (struct gdbarch *gdbarch, const ULONGEST retaddr_len = 8; regcache_cooked_read_unsigned (regs, AMD64_RSP_REGNUM, &rsp); - retaddr = read_memory_unsigned_integer (rsp, retaddr_len); + retaddr = read_memory_unsigned_integer (rsp, retaddr_len, byte_order); retaddr = (retaddr - insn_offset) & 0xffffffffUL; - write_memory_unsigned_integer (rsp, retaddr_len, retaddr); + write_memory_unsigned_integer (rsp, retaddr_len, byte_order, retaddr); if (debug_displaced) fprintf_unfiltered (gdb_stdlog, @@ -1589,9 +1592,11 @@ amd64_analyze_stack_align (CORE_ADDR pc, CORE_ADDR current_pc, to have no prologue and thus no valid frame pointer in %rbp. */ static CORE_ADDR -amd64_analyze_prologue (CORE_ADDR pc, CORE_ADDR current_pc, +amd64_analyze_prologue (struct gdbarch *gdbarch, + CORE_ADDR pc, CORE_ADDR current_pc, struct amd64_frame_cache *cache) { + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); static gdb_byte proto[3] = { 0x48, 0x89, 0xe5 }; /* movq %rsp, %rbp */ gdb_byte buf[3]; gdb_byte op; @@ -1601,7 +1606,7 @@ amd64_analyze_prologue (CORE_ADDR pc, CORE_ADDR current_pc, pc = amd64_analyze_stack_align (pc, current_pc, cache); - op = read_memory_unsigned_integer (pc, 1); + op = read_memory_unsigned_integer (pc, 1, byte_order); if (op == 0x55) /* pushq %rbp */ { @@ -1636,7 +1641,8 @@ amd64_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc) CORE_ADDR pc; amd64_init_frame_cache (&cache); - pc = amd64_analyze_prologue (start_pc, 0xffffffffffffffffLL, &cache); + pc = amd64_analyze_prologue (gdbarch, start_pc, 0xffffffffffffffffLL, + &cache); if (cache.frameless_p) return start_pc; @@ -1649,6 +1655,8 @@ amd64_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc) static struct amd64_frame_cache * amd64_frame_cache (struct frame_info *this_frame, void **this_cache) { + struct gdbarch *gdbarch = get_frame_arch (this_frame); + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); struct amd64_frame_cache *cache; gdb_byte buf[8]; int i; @@ -1661,13 +1669,14 @@ amd64_frame_cache (struct frame_info *this_frame, void **this_cache) cache->pc = get_frame_func (this_frame); if (cache->pc != 0) - amd64_analyze_prologue (cache->pc, get_frame_pc (this_frame), cache); + amd64_analyze_prologue (gdbarch, cache->pc, get_frame_pc (this_frame), + cache); if (cache->saved_sp_reg != -1) { /* Stack pointer has been saved. */ get_frame_register (this_frame, cache->saved_sp_reg, buf); - cache->saved_sp = extract_unsigned_integer(buf, 8); + cache->saved_sp = extract_unsigned_integer(buf, 8, byte_order); } if (cache->frameless_p) @@ -1691,13 +1700,14 @@ amd64_frame_cache (struct frame_info *this_frame, void **this_cache) else { get_frame_register (this_frame, AMD64_RSP_REGNUM, buf); - cache->base = extract_unsigned_integer (buf, 8) + cache->sp_offset; + cache->base = extract_unsigned_integer (buf, 8, byte_order) + + cache->sp_offset; } } else { get_frame_register (this_frame, AMD64_RBP_REGNUM, buf); - cache->base = extract_unsigned_integer (buf, 8); + cache->base = extract_unsigned_integer (buf, 8, byte_order); } /* Now that we have the base address for the stack frame we can @@ -1773,8 +1783,10 @@ static const struct frame_unwind amd64_frame_unwind = static struct amd64_frame_cache * amd64_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache) { + struct gdbarch *gdbarch = get_frame_arch (this_frame); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); struct amd64_frame_cache *cache; - struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (this_frame)); CORE_ADDR addr; gdb_byte buf[8]; int i; @@ -1785,7 +1797,7 @@ amd64_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache) cache = amd64_alloc_frame_cache (); get_frame_register (this_frame, AMD64_RSP_REGNUM, buf); - cache->base = extract_unsigned_integer (buf, 8) - 8; + cache->base = extract_unsigned_integer (buf, 8, byte_order) - 8; addr = tdep->sigcontext_addr (this_frame); gdb_assert (tdep->sc_reg_offset); |