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Diffstat (limited to 'tools/perf/util/vdso.c')
-rw-r--r--tools/perf/util/vdso.c40
1 files changed, 37 insertions, 3 deletions
diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c
index 44d440da15dc..7bdcad484225 100644
--- a/tools/perf/util/vdso.c
+++ b/tools/perf/util/vdso.c
@@ -134,8 +134,6 @@ static struct dso *__machine__addnew_vdso(struct machine *machine, const char *s
return dso;
}
-#if BITS_PER_LONG == 64
-
static enum dso_type machine__thread_dso_type(struct machine *machine,
struct thread *thread)
{
@@ -156,6 +154,8 @@ static enum dso_type machine__thread_dso_type(struct machine *machine,
return dso_type;
}
+#if BITS_PER_LONG == 64
+
static int vdso__do_copy_compat(FILE *f, int fd)
{
char buf[4096];
@@ -283,8 +283,38 @@ static int __machine__findnew_vdso_compat(struct machine *machine,
#endif
+static struct dso *machine__find_vdso(struct machine *machine,
+ struct thread *thread)
+{
+ struct dso *dso = NULL;
+ enum dso_type dso_type;
+
+ dso_type = machine__thread_dso_type(machine, thread);
+ switch (dso_type) {
+ case DSO__TYPE_32BIT:
+ dso = __dsos__find(&machine->dsos, DSO__NAME_VDSO32, true);
+ if (!dso) {
+ dso = __dsos__find(&machine->dsos, DSO__NAME_VDSO,
+ true);
+ if (dso && dso_type != dso__type(dso, machine))
+ dso = NULL;
+ }
+ break;
+ case DSO__TYPE_X32BIT:
+ dso = __dsos__find(&machine->dsos, DSO__NAME_VDSOX32, true);
+ break;
+ case DSO__TYPE_64BIT:
+ case DSO__TYPE_UNKNOWN:
+ default:
+ dso = __dsos__find(&machine->dsos, DSO__NAME_VDSO, true);
+ break;
+ }
+
+ return dso;
+}
+
struct dso *machine__findnew_vdso(struct machine *machine,
- struct thread *thread __maybe_unused)
+ struct thread *thread)
{
struct vdso_info *vdso_info;
struct dso *dso = NULL;
@@ -297,6 +327,10 @@ struct dso *machine__findnew_vdso(struct machine *machine,
if (!vdso_info)
goto out_unlock;
+ dso = machine__find_vdso(machine, thread);
+ if (dso)
+ goto out_unlock;
+
#if BITS_PER_LONG == 64
if (__machine__findnew_vdso_compat(machine, thread, vdso_info, &dso))
goto out_unlock;