diff options
| -rw-r--r-- | compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_linux_libcdep.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_linux_libcdep.cc b/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_linux_libcdep.cc index d0795b71a34..48549ec274c 100644 --- a/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_linux_libcdep.cc +++ b/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_linux_libcdep.cc @@ -155,9 +155,12 @@ static int dl_iterate_phdr_cb(dl_phdr_info *info, size_t size, void *arg) { // First module is the binary itself. uptr module_name_len = internal_readlink( "/proc/self/exe", module_name.data(), module_name.size()); - if (internal_iserror(module_name_len)) { + int readlink_error; + if (internal_iserror(module_name_len, &readlink_error)) { // We can't read /proc/self/exe for some reason, assume the name of the // binary is unknown. + Report("WARNING: readlink(\"/proc/self/exe\") failed with errno %d, some " + "stack frames may not be symbolized\n", readlink_error); module_name_len = internal_snprintf(module_name.data(), module_name.size(), "/proc/self/exe"); } |
