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-rw-r--r--gdb/ChangeLog3
-rw-r--r--gdb/sparc-tdep.c4
2 files changed, 6 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 08e5395..a77b6b2 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,8 @@
2004-01-24 Mark Kettenis <kettenis@gnu.org>
+ * sparc-tdep.c (sparc_fetch_instruction): Return zero if we can't
+ read the instruction at PC.
+
* sparcnbsd-tdep.c (GDB_OSABI_NETBSD_CORE): Define, based on the
value of GDB_OSABI_DEFAULT.
(sparcnbsd_core_osabi_sniffer): Return GDB_OSABI_NETBSD_CORE
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c
index c2f3cfb..fcaf0f4 100644
--- a/gdb/sparc-tdep.c
+++ b/gdb/sparc-tdep.c
@@ -96,7 +96,9 @@ sparc_fetch_instruction (CORE_ADDR pc)
unsigned long insn;
int i;
- read_memory (pc, buf, sizeof (buf));
+ /* If we can't read the instruction at PC, return zero. */
+ if (target_read_memory (pc, buf, sizeof (buf)))
+ return 0;
insn = 0;
for (i = 0; i < sizeof (buf); i++)