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authorMark Kettenis <kettenis@gnu.org>2006-08-18 08:49:04 +0000
committerMark Kettenis <kettenis@gnu.org>2006-08-18 08:49:04 +0000
commit2c9771d33072dfe6abe553a2e1ba3b2883f7ca77 (patch)
treec0228868549d22cb8035618d0cc902aae3d655a8 /gdb/sparc-nat.c
parentc0dd20ea15a9f5d5c8dc8c9365ca8d0765f46843 (diff)
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* sparc-nat.c (sparc_xfer_wcookie): Signal EOF. Tweak comment.
Diffstat (limited to 'gdb/sparc-nat.c')
-rw-r--r--gdb/sparc-nat.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c
index ac2a0c8..368b8ef 100644
--- a/gdb/sparc-nat.c
+++ b/gdb/sparc-nat.c
@@ -264,14 +264,16 @@ sparc_xfer_wcookie (struct target_ops *ops, enum target_object object,
gdb_assert (object == TARGET_OBJECT_WCOOKIE);
gdb_assert (readbuf && writebuf == NULL);
- if (offset >= sizeof (unsigned long))
+ if (offset == sizeof (unsigned long))
+ return 0; /* Signal EOF. */
+ if (offset > sizeof (unsigned long))
return -1;
#ifdef PT_WCOOKIE
/* If PT_WCOOKIE is defined (by <sys/ptrace.h>), assume we're
running on an OpenBSD release that uses StackGhost (3.1 or
- later). As of release 3.4, OpenBSD doesn't use a randomized
- cookie yet, but a future release probably will. */
+ later). Since release 3.6, OpenBSD uses a fully randomized
+ cookie. */
{
int pid;