* unwind.c: disable stack tracing when tracing multiple
personalities
---
unwind.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/unwind.c b/unwind.c
index ba7b579..99bfbe9 100644
--- a/unwind.c
+++ b/unwind.c
@@ -104,6 +104,12 @@ unwind_init(void)
void
unwind_tcb_init(struct tcb *tcp)
{
+#if UPPORTED_PERSONALITIES > 1
+ if (tcp->currpers) {
+ /* disable strack trace */
+ return;
+ }
+#endif
tcp->libunwind_ui = _UPT_create(tcp->pid);
if (!tcp->libunwind_ui)
die_out_of_memory();
@@ -118,6 +124,12 @@ unwind_tcb_init(struct tcb *tcp)
void
unwind_tcb_fin(struct tcb *tcp)
{
+#if SUPPORTED_PERSONALITIES > 1
+ if (tcp->currpers) {
+ /* disable strack trace */
+ return;
+ }
+#endif
queue_print(tcp->queue);
free(tcp->queue);
tcp->queue = NULL;
@@ -269,6 +281,12 @@ rebuild_cache_if_invalid(struct tcb *tcp, const char
*caller)
void
unwind_cache_invalidate(struct tcb* tcp)
{
+#if SUPPORTED_PERSONALITIES > 1
+ if (tcp->currpers) {
+ /* disable strack trace */
+ return;
+ }
+#endif
mmap_cache_generation++;
DPRINTF("tgen=%u, ggen=%u, tcp=%p, cache=%p", "increment",
tcp->mmap_cache_generation,
@@ -566,6 +584,12 @@ queue_print(struct queue_t *queue)
void
unwind_print_stacktrace(struct tcb* tcp)
{
+#if SUPPORTED_PERSONALITIES > 1
+ if (tcp->currpers) {
+ /* disable strack trace */
+ return;
+ }
+#endif
if (tcp->queue->head) {
DPRINTF("tcp=%p, queue=%p", "queueprint", tcp, tcp->queue->head);
queue_print(tcp->queue);
@@ -582,6 +606,12 @@ unwind_print_stacktrace(struct tcb* tcp)
void
unwind_capture_stacktrace(struct tcb *tcp)
{
+#if SUPPORTED_PERSONALITIES > 1
+ if (tcp->currpers) {
+ /* disable strack trace */
+ return;
+ }
+#endif
if (tcp->queue->head)
error_msg_and_die("bug: unprinted entries in queue");
--
1.7.9.5
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