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| author | Mark Kettenis <kettenis@gnu.org> | 2004-08-04 21:07:42 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@gnu.org> | 2004-08-04 21:07:42 +0000 |
| commit | 9c8e3411a92ca8790f6e3803c054f8541cf28350 (patch) | |
| tree | 5a86643e2207d469008f9f524309ade3701b9e37 /gdb/i386obsd-tdep.c | |
| parent | b87bc0d80e4efe7283f46cc194b1b6ed7548ceec (diff) | |
| download | gdb-9c8e3411a92ca8790f6e3803c054f8541cf28350.zip gdb-9c8e3411a92ca8790f6e3803c054f8541cf28350.tar.gz gdb-9c8e3411a92ca8790f6e3803c054f8541cf28350.tar.bz2 | |
* i386obsd-tdep.c (i386obsd_sigtramp_p): Adjust for changed signal
trampoline in OpenBSD 3.5-current.
Diffstat (limited to 'gdb/i386obsd-tdep.c')
| -rw-r--r-- | gdb/i386obsd-tdep.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/gdb/i386obsd-tdep.c b/gdb/i386obsd-tdep.c index 6f1ae5b..b2c803f 100644 --- a/gdb/i386obsd-tdep.c +++ b/gdb/i386obsd-tdep.c @@ -78,15 +78,25 @@ i386obsd_sigtramp_p (struct frame_info *next_frame) if (find_pc_section (pc) != NULL) return 0; - /* If we can't read the instructions at START_PC, return zero. */ + /* Allocate buffer. */ buf = alloca (sizeof sigreturn); - if (target_read_memory (start_pc + 0x14, buf, sizeof sigreturn)) + + /* If we can't read the instructions at START_PC, return zero. */ + if (target_read_memory (start_pc + 0x0a, buf, sizeof sigreturn)) return 0; /* Check for sigreturn(2). */ if (memcmp (buf, sigreturn, sizeof sigreturn) == 0) return 1; + /* If we can't read the instructions at START_PC, return zero. */ + if (target_read_memory (start_pc + 0x14, buf, sizeof sigreturn)) + return 0; + + /* Check for sigreturn(2) (again). */ + if (memcmp (buf, sigreturn, sizeof sigreturn) == 0) + return 1; + return 0; } |