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-rw-r--r--tools/perf/util/probe-finder.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 5fe8325e81f2..df4debe564da 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -955,6 +955,11 @@ static int probe_point_inline_cb(Dwarf_Die *in_die, void *data)
dwarf_diename(in_die));
return -ENOENT;
}
+ if (addr == 0) {
+ pr_debug("%s has no valid entry address. skipped.\n",
+ dwarf_diename(in_die));
+ return -ENOENT;
+ }
pf->addr = addr;
pf->addr += pp->offset;
pr_debug("found inline addr: 0x%jx\n",
@@ -998,8 +1003,13 @@ static int probe_point_search_cb(Dwarf_Die *sp_die, void *data)
} else if (die_is_func_instance(sp_die)) {
/* Instances always have the entry address */
dwarf_entrypc(sp_die, &pf->addr);
+ /* But in some case the entry address is 0 */
+ if (pf->addr == 0) {
+ pr_debug("%s has no entry PC. Skipped\n",
+ dwarf_diename(sp_die));
+ param->retval = 0;
/* Real function */
- if (pp->lazy_line)
+ } else if (pp->lazy_line)
param->retval = find_probe_point_lazy(sp_die, pf);
else {
skip_prologue(sp_die, pf);