diff options
Diffstat (limited to 'lib/dfsan/dfsan_custom.cc')
| -rw-r--r-- | lib/dfsan/dfsan_custom.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/dfsan/dfsan_custom.cc b/lib/dfsan/dfsan_custom.cc index 35f6fb4cd..c58b471db 100644 --- a/lib/dfsan/dfsan_custom.cc +++ b/lib/dfsan/dfsan_custom.cc @@ -82,11 +82,20 @@ SANITIZER_INTERFACE_ATTRIBUTE char *__dfsw_strchr(const char *s, int c, } } +SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE +void +dfsan_weak_hook_memcmp(uptr caller_pc, const void *s1, const void *s2, size_t n, + dfsan_label s1_label, dfsan_label s2_label, + dfsan_label n_label); + SANITIZER_INTERFACE_ATTRIBUTE int __dfsw_memcmp(const void *s1, const void *s2, size_t n, dfsan_label s1_label, dfsan_label s2_label, dfsan_label n_label, dfsan_label *ret_label) { + if (dfsan_weak_hook_memcmp) + dfsan_weak_hook_memcmp(GET_CALLER_PC(), s1, s2, n, s1_label, s2_label, + n_label); const char *cs1 = (const char *) s1, *cs2 = (const char *) s2; for (size_t i = 0; i != n; ++i) { if (cs1[i] != cs2[i]) { |