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* amd64-linux-tdep.c (amd64_linux_sigtramp_start): Change argument

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from CORE_ADDR to struct frame_info *.  Use
safe_frame_unwind_memory instead of deprecated_read_memory_nobpt.
(amd64_linux_sigtramp_p): Adjust for changed signature of
and64_linux_sigtramp_start
This commit is contained in:
Mark Kettenis
2004-08-22 16:27:30 +00:00
parent 277215a6d4
commit 387c058c87
2 changed files with 11 additions and 4 deletions
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9
gdb/amd64-linux-tdep.c
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@@ -86,8 +86,9 @@ static const unsigned char linux_sigtramp_code[] =
the routine. Otherwise, return 0. */
static CORE_ADDR
amd64_linux_sigtramp_start (CORE_ADDR pc)
amd64_linux_sigtramp_start (struct frame_info *next_frame)
{
CORE_ADDR pc = frame_pc_unwind (next_frame);
unsigned char buf[LINUX_SIGTRAMP_LEN];
/* We only recognize a signal trampoline if PC is at the start of
@@ -97,7 +98,7 @@ amd64_linux_sigtramp_start (CORE_ADDR pc)
PC is not at the start of the instruction sequence, there will be
a few trailing readable bytes on the stack. */
if (deprecated_read_memory_nobpt (pc, (char *) buf, LINUX_SIGTRAMP_LEN) != 0)
if (!safe_frame_unwind_memory (next_frame, pc, buf, LINUX_SIGTRAMP_LEN))
return 0;
if (buf[0] != LINUX_SIGTRAMP_INSN0)
@@ -107,7 +108,7 @@ amd64_linux_sigtramp_start (CORE_ADDR pc)
pc -= LINUX_SIGTRAMP_OFFSET1;
if (deprecated_read_memory_nobpt (pc, (char *) buf, LINUX_SIGTRAMP_LEN) != 0)
if (!safe_frame_unwind_memory (next_frame, pc, buf, LINUX_SIGTRAMP_LEN))
return 0;
}
@@ -135,7 +136,7 @@ amd64_linux_sigtramp_p (struct frame_info *next_frame)
__sigaction, or __libc_sigaction (all aliases to the same
function). */
if (name == NULL || strstr (name, "sigaction") != NULL)
return (amd64_linux_sigtramp_start (pc) != 0);
return (amd64_linux_sigtramp_start (next_frame) != 0);
return (strcmp ("__restore_rt", name) == 0);
}