diff options
Diffstat (limited to 'tools/perf/util/unwind-libunwind.c')
| -rw-r--r-- | tools/perf/util/unwind-libunwind.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c index 854711966cad..6d542a4e0648 100644 --- a/tools/perf/util/unwind-libunwind.c +++ b/tools/perf/util/unwind-libunwind.c @@ -14,15 +14,19 @@ static void unwind__register_ops(struct thread *thread, thread->unwind_libunwind_ops = ops; } -int unwind__prepare_access(struct thread *thread, struct map *map) +int unwind__prepare_access(struct thread *thread, struct map *map, + bool *initialized) { const char *arch; enum dso_type dso_type; struct unwind_libunwind_ops *ops = local_unwind_libunwind_ops; + int err; if (thread->addr_space) { pr_debug("unwind: thread map already set, dso=%s\n", map->dso->name); + if (initialized) + *initialized = true; return 0; } @@ -51,7 +55,10 @@ int unwind__prepare_access(struct thread *thread, struct map *map) out_register: unwind__register_ops(thread, ops); - return thread->unwind_libunwind_ops->prepare_access(thread); + err = thread->unwind_libunwind_ops->prepare_access(thread); + if (initialized) + *initialized = err ? false : true; + return err; } void unwind__flush_access(struct thread *thread) |