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authorJason Thorpe <thorpej@netbsd.org>2002-05-22 04:30:46 +0000
committerJason Thorpe <thorpej@netbsd.org>2002-05-22 04:30:46 +0000
commit1c3112a18652110e6458f1c250df92909b3c2cf5 (patch)
treec54ca277653d35e5670cce3db4eea69a3ac9580f
parent5acafbdac2ba0ab0daa7892ddff744e1da85de94 (diff)
downloadgdb-1c3112a18652110e6458f1c250df92909b3c2cf5.tar.gz
* alphanbsd-tdep.c (alphanbsd_sigtramp_offset): Don't make
assumptions about the host's byte order.
-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/alphanbsd-tdep.c22
2 files changed, 16 insertions, 11 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5ecbadb7ecd..d3757304a48 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
2002-05-22 Jason Thorpe <thorpej@wasabisystems.com>
+ * alphanbsd-tdep.c (alphanbsd_sigtramp_offset): Don't make
+ assumptions about the host's byte order.
+
+2002-05-22 Jason Thorpe <thorpej@wasabisystems.com>
+
* Makefile.in (alphanbsd-tdep.o, shnbsd-tdep.o): Add solib-svr4.h
to dependency list.
* alphanbsd-tdep.c: Include solib-svr4.h.
diff --git a/gdb/alphanbsd-tdep.c b/gdb/alphanbsd-tdep.c
index 01a0f496816..519d8164ca3 100644
--- a/gdb/alphanbsd-tdep.c
+++ b/gdb/alphanbsd-tdep.c
@@ -135,29 +135,29 @@ static struct core_fns alphanbsd_elfcore_fns =
sequence and can then check whether we really are executing in the
signal trampoline. If not, -1 is returned, otherwise the offset from the
start of the return sequence is returned. */
-static const unsigned int sigtramp_retcode[] =
+static const unsigned char sigtramp_retcode[] =
{
- 0xa61e0000, /* ldq a0, 0(sp) */
- 0x23de0010, /* lda sp, 16(sp) */
- 0x201f0127, /* lda v0, 295(zero) */
- 0x00000083, /* call_pal callsys */
+ 0x00, 0x00, 0x1e, 0xa6, /* ldq a0, 0(sp) */
+ 0x10, 0x00, 0xde, 0x23, /* lda sp, 16(sp) */
+ 0x27, 0x01, 0x1f, 0x20, /* lda v0, 295(zero) */
+ 0x83, 0x00, 0x00, 0x00, /* call_pal callsys */
};
-#define RETCODE_NWORDS \
- (sizeof (sigtramp_retcode) / sizeof (sigtramp_retcode[0]))
+#define RETCODE_NWORDS 4
+#define RETCODE_SIZE (RETCODE_NWORDS * 4)
LONGEST
alphanbsd_sigtramp_offset (CORE_ADDR pc)
{
- unsigned int ret[4], w;
+ unsigned char ret[RETCODE_SIZE], w[4];
LONGEST off;
int i;
- if (read_memory_nobpt (pc, (char *) &w, 4) != 0)
+ if (read_memory_nobpt (pc, (char *) w, 4) != 0)
return -1;
for (i = 0; i < RETCODE_NWORDS; i++)
{
- if (w == sigtramp_retcode[i])
+ if (memcmp (w, sigtramp_retcode + (i * 4), 4) == 0)
break;
}
if (i == RETCODE_NWORDS)
@@ -169,7 +169,7 @@ alphanbsd_sigtramp_offset (CORE_ADDR pc)
if (read_memory_nobpt (pc, (char *) ret, sizeof (ret)) != 0)
return -1;
- if (memcmp (ret, sigtramp_retcode, sizeof (sigtramp_retcode)) == 0)
+ if (memcmp (ret, sigtramp_retcode, RETCODE_SIZE) == 0)
return off;
return -1;