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--- contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp.orig
+++ contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -55,6 +55,7 @@
// that, it was never implemented. So just define it to zero.
#undef MAP_NORESERVE
#define MAP_NORESERVE 0
+extern const Elf_Auxinfo *__elf_aux_vector;
#endif
#if SANITIZER_NETBSD
@@ -905,11 +906,11 @@
const char *pathname = "/proc/self/exe";
#if SANITIZER_FREEBSD
- char exe_path[PATH_MAX];
- if (elf_aux_info(AT_EXECPATH, exe_path, sizeof(exe_path)) == 0) {
- char link_path[PATH_MAX];
- if (realpath(exe_path, link_path))
- pathname = link_path;
+ for (const auto *aux = __elf_aux_vector; aux->a_type != AT_NULL; aux++) {
+ if (aux->a_type == AT_EXECPATH) {
+ pathname = static_cast<const char *>(aux->a_un.a_ptr);
+ break;
+ }
}
#elif SANITIZER_NETBSD
static const int name[] = {
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