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-rw-r--r--tools/perf/util/map.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 6ae97ed..89ac5b5 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -415,16 +415,20 @@ size_t map__fprintf_dsoname(struct map *map, FILE *fp)
return fprintf(fp, "%s", dsoname);
}
+char *map__srcline(struct map *map, u64 addr, struct symbol *sym)
+{
+ if (map == NULL)
+ return SRCLINE_UNKNOWN;
+ return get_srcline(map->dso, map__rip_2objdump(map, addr), sym, true, true, addr);
+}
+
int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
FILE *fp)
{
- char *srcline;
int ret = 0;
if (map && map->dso) {
- srcline = get_srcline(map->dso,
- map__rip_2objdump(map, addr), NULL,
- true, true, addr);
+ char *srcline = map__srcline(map, addr, NULL);
if (srcline != SRCLINE_UNKNOWN)
ret = fprintf(fp, "%s%s", prefix, srcline);
free_srcline(srcline);
@@ -445,6 +449,20 @@ int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
*/
u64 map__rip_2objdump(struct map *map, u64 rip)
{
+ struct kmap *kmap = __map__kmap(map);
+
+ /*
+ * vmlinux does not have program headers for PTI entry trampolines and
+ * kcore may not either. However the trampoline object code is on the
+ * main kernel map, so just use that instead.
+ */
+ if (kmap && is_entry_trampoline(kmap->name) && kmap->kmaps && kmap->kmaps->machine) {
+ struct map *kernel_map = machine__kernel_map(kmap->kmaps->machine);
+
+ if (kernel_map)
+ map = kernel_map;
+ }
+
if (!map->dso->adjust_symbols)
return rip;
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