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| author | Mark Kettenis <kettenis@gnu.org> | 2004-08-06 20:51:01 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@gnu.org> | 2004-08-06 20:51:01 +0000 |
| commit | c822af0c707258b74054d5e3bf3f8857ee32191d (patch) | |
| tree | e0aa4d0dba9da98a985b768fbb10832864da6fb6 /gdb/i386obsd-tdep.c | |
| parent | c0ccb908a0d28944b8715c2d229ee55e8cdace59 (diff) | |
| download | gdb-c822af0c707258b74054d5e3bf3f8857ee32191d.zip gdb-c822af0c707258b74054d5e3bf3f8857ee32191d.tar.gz gdb-c822af0c707258b74054d5e3bf3f8857ee32191d.tar.bz2 | |
* i386obsd-tdep.c (i386obsd_sigtramp_p): Use
safe_frame_unwind_memory instead of target_read_memory.
Diffstat (limited to 'gdb/i386obsd-tdep.c')
| -rw-r--r-- | gdb/i386obsd-tdep.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/gdb/i386obsd-tdep.c b/gdb/i386obsd-tdep.c index b2c803f..9ef868d 100644 --- a/gdb/i386obsd-tdep.c +++ b/gdb/i386obsd-tdep.c @@ -65,6 +65,7 @@ i386obsd_sigtramp_p (struct frame_info *next_frame) 0x67, 0x00, 0x00, 0x00, /* movl $SYS_sigreturn, %eax */ 0xcd, 0x80 /* int $0x80 */ }; + size_t buflen = sizeof sigreturn; char *name, *buf; /* If the function has a valid symbol name, it isn't a @@ -79,22 +80,22 @@ i386obsd_sigtramp_p (struct frame_info *next_frame) return 0; /* Allocate buffer. */ - buf = alloca (sizeof sigreturn); + buf = alloca (buflen); /* If we can't read the instructions at START_PC, return zero. */ - if (target_read_memory (start_pc + 0x0a, buf, sizeof sigreturn)) + if (!safe_frame_unwind_memory (next_frame, start_pc + 0x0a, buf, buflen)) return 0; /* Check for sigreturn(2). */ - if (memcmp (buf, sigreturn, sizeof sigreturn) == 0) + if (memcmp (buf, sigreturn, buflen) == 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)) + if (!safe_frame_unwind_memory (next_frame, start_pc + 0x14, buf, buflen)) return 0; /* Check for sigreturn(2) (again). */ - if (memcmp (buf, sigreturn, sizeof sigreturn) == 0) + if (memcmp (buf, sigreturn, buflen) == 0) return 1; return 0; |