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* amd64fbsd-tdep.c: Fix sigtramp recognition. 

(amd64fbsd_sigcontext_addr): Rewrite.
(amd64fbsd_sigtramp_start, amd64fbsd_sigtramp_end): Initialize
with correct values.
(amd64fbsd_sc_reg_offset): Initialize with correct values.
(amd64fbsd_init_abi): Fix typo.
This commit is contained in:
Mark Kettenis 2003-09-12 19:27:38 +00:00
parent 68856ea378
commit 212c460caa
2 changed files with 35 additions and 26 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2003-09-12 Mark Kettenis <kettenis@gnu.org>
* amd64fbsd-tdep.c: Fix sigtramp recognition.
(amd64fbsd_sigcontext_addr): Rewrite.
(amd64fbsd_sigtramp_start, amd64fbsd_sigtramp_end): Initialize
with correct values.
(amd64fbsd_sc_reg_offset): Initialize with correct values.
(amd64fbsd_init_abi): Fix typo.
2003-09-12 Andrew Cagney <cagney@redhat.com>
* ppc-sysv-tdep.c (align_up, align_down): Replace "round2" macro.

52
gdb/amd64fbsd-tdep.c
View File

@ -37,42 +37,42 @@
static CORE_ADDR
amd64fbsd_sigcontext_addr (struct frame_info *next_frame)
{
char buf[8];
CORE_ADDR sp;
frame_unwind_register (next_frame, X86_64_RSP_REGNUM, buf);
sp = extract_unsigned_integer (buf, 8);
return read_memory_unsigned_integer (sp + 16, 8);
/* The `struct sigcontext' (which really is an `ucontext_t' on
FreeBSD/amd64) lives at a fixed offset in the signal frame. See
<machine/sigframe.h>. */
sp = frame_unwind_register_unsigned (next_frame, X86_64_RSP_REGNUM);
return sp + 16;
}
/* FreeBSD 5.1-RELEASE or later. */
/* Location of the signal trampoline. */
CORE_ADDR amd64fbsd_sigtramp_start = 0x7fffffffc0;
CORE_ADDR amd64fbsd_sigtramp_end = 0x7fffffffe0;
CORE_ADDR amd64fbsd_sigtramp_start = 0x7fffffffffc0;
CORE_ADDR amd64fbsd_sigtramp_end = 0x7fffffffffe0;
/* From <machine/signal.h>. */
int amd64fbsd_sc_reg_offset[X86_64_NUM_GREGS] =
{
24 + 14 * 8, /* %rax */
24 + 11 * 8, /* %rbx */
24 + 13 * 8, /* %rcx */
24 + 12 * 8, /* %rdx */
24 + 9 * 8, /* %rsi */
24 + 8 * 8, /* %rdi */
24 + 10 * 8, /* %rbp */
24 + 20 * 8, /* %rsp */
24 + 7 * 8, /* %r8 */
24 + 6 * 8, /* %r9 */
24 + 5 * 8, /* %r10 */
24 + 4 * 8, /* %r11 */
24 + 3 * 8, /* %r12 */
24 + 2 * 8, /* %r13 */
24 + 1 * 8, /* %r14 */
24 + 0 * 8, /* %r15 */
24 + 17 * 8, /* %rip */
24 + 19 * 8, /* %eflags */
24 + 6 * 8, /* %rax */
24 + 7 * 8, /* %rbx */
24 + 3 * 8, /* %rcx */
24 + 2 * 8, /* %rdx */
24 + 1 * 8, /* %rsi */
24 + 0 * 8, /* %rdi */
24 + 8 * 8, /* %rbp */
24 + 21 * 8, /* %rsp */
24 + 4 * 8, /* %r8 */
24 + 5 * 8, /* %r9 */
24 + 9 * 8, /* %r10 */
24 + 10 * 8, /* %r11 */
24 + 11 * 8, /* %r12 */
24 + 12 * 8, /* %r13 */
24 + 13 * 8, /* %r14 */
24 + 14 * 8, /* %r15 */
24 + 18 * 8, /* %rip */
24 + 20 * 8, /* %eflags */
-1, /* %ds */
-1, /* %es */
-1, /* %fs */
@ -90,7 +90,7 @@ amd64fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
x86_64_init_abi (info, gdbarch);
tdep->sigtramp_start = amd64fbsd_sigtramp_start;
tdep->sigtramp_end = amd64fbsd_sigtramp_start;
tdep->sigtramp_end = amd64fbsd_sigtramp_end;
tdep->sigcontext_addr = amd64fbsd_sigcontext_addr;
tdep->sc_reg_offset = amd64fbsd_sc_reg_offset;
tdep->sc_num_regs = X86_64_NUM_GREGS;