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Diffstat (limited to 'tools/perf/util/unwind-libunwind.c')
-rw-r--r--tools/perf/util/unwind-libunwind.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index 4c00507ee..c83832b55 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -330,6 +330,7 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
struct map *map;
unw_dyn_info_t di;
u64 table_data, segbase, fde_count;
+ int ret = -EINVAL;
map = find_map(ip, ui);
if (!map || !map->dso)
@@ -348,29 +349,33 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
di.u.rti.table_data = map->start + table_data;
di.u.rti.table_len = fde_count * sizeof(struct table_entry)
/ sizeof(unw_word_t);
- return dwarf_search_unwind_table(as, ip, &di, pi,
- need_unwind_info, arg);
+ ret = dwarf_search_unwind_table(as, ip, &di, pi,
+ need_unwind_info, arg);
}
#ifndef NO_LIBUNWIND_DEBUG_FRAME
/* Check the .debug_frame section for unwinding info */
- if (!read_unwind_spec_debug_frame(map->dso, ui->machine, &segbase)) {
+ if (ret < 0 &&
+ !read_unwind_spec_debug_frame(map->dso, ui->machine, &segbase)) {
int fd = dso__data_get_fd(map->dso, ui->machine);
int is_exec = elf_is_exec(fd, map->dso->name);
unw_word_t base = is_exec ? 0 : map->start;
+ const char *symfile;
if (fd >= 0)
dso__data_put_fd(map->dso);
+ symfile = map->dso->symsrc_filename ?: map->dso->name;
+
memset(&di, 0, sizeof(di));
- if (dwarf_find_debug_frame(0, &di, ip, base, map->dso->name,
+ if (dwarf_find_debug_frame(0, &di, ip, base, symfile,
map->start, map->end))
return dwarf_search_unwind_table(as, ip, &di, pi,
need_unwind_info, arg);
}
#endif
- return -EINVAL;
+ return ret;
}
static int access_fpreg(unw_addr_space_t __maybe_unused as,
@@ -461,7 +466,7 @@ static int access_mem(unw_addr_space_t __maybe_unused as,
if (ret) {
pr_debug("unwind: access_mem %p not inside range"
" 0x%" PRIx64 "-0x%" PRIx64 "\n",
- (void *) addr, start, end);
+ (void *) (uintptr_t) addr, start, end);
*valp = 0;
return ret;
}
@@ -471,7 +476,7 @@ static int access_mem(unw_addr_space_t __maybe_unused as,
offset = addr - start;
*valp = *(unw_word_t *)&stack->data[offset];
pr_debug("unwind: access_mem addr %p val %lx, offset %d\n",
- (void *) addr, (unsigned long)*valp, offset);
+ (void *) (uintptr_t) addr, (unsigned long)*valp, offset);
return 0;
}