diff options
Diffstat (limited to 'libsanitizer/asan/asan_new_delete.cc')
| -rw-r--r-- | libsanitizer/asan/asan_new_delete.cc | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/libsanitizer/asan/asan_new_delete.cc b/libsanitizer/asan/asan_new_delete.cc index fd47eee..beac8cd 100644 --- a/libsanitizer/asan/asan_new_delete.cc +++ b/libsanitizer/asan/asan_new_delete.cc @@ -27,7 +27,7 @@ using namespace __asan; // NOLINT // On Android new() goes through malloc interceptors. // See also https://code.google.com/p/address-sanitizer/issues/detail?id=131. -#if !ASAN_ANDROID +#if !SANITIZER_ANDROID // Fake std::nothrow_t to avoid including <new>. namespace std { @@ -38,6 +38,14 @@ struct nothrow_t {}; GET_STACK_TRACE_MALLOC;\ return asan_memalign(0, size, &stack, type); +// On OS X it's not enough to just provide our own 'operator new' and +// 'operator delete' implementations, because they're going to be in the +// runtime dylib, and the main executable will depend on both the runtime +// dylib and libstdc++, each of those'll have its implementation of new and +// delete. +// To make sure that C++ allocation/deallocation operators are overridden on +// OS X we need to intercept them using their mangled names. +#if !SANITIZER_MAC INTERCEPTOR_ATTRIBUTE void *operator new(size_t size) { OPERATOR_NEW_BODY(FROM_NEW); } INTERCEPTOR_ATTRIBUTE @@ -49,10 +57,26 @@ INTERCEPTOR_ATTRIBUTE void *operator new[](size_t size, std::nothrow_t const&) { OPERATOR_NEW_BODY(FROM_NEW_BR); } +#else // SANITIZER_MAC +INTERCEPTOR(void *, _Znwm, size_t size) { + OPERATOR_NEW_BODY(FROM_NEW); +} +INTERCEPTOR(void *, _Znam, size_t size) { + OPERATOR_NEW_BODY(FROM_NEW_BR); +} +INTERCEPTOR(void *, _ZnwmRKSt9nothrow_t, size_t size, std::nothrow_t const&) { + OPERATOR_NEW_BODY(FROM_NEW); +} +INTERCEPTOR(void *, _ZnamRKSt9nothrow_t, size_t size, std::nothrow_t const&) { + OPERATOR_NEW_BODY(FROM_NEW_BR); +} +#endif + #define OPERATOR_DELETE_BODY(type) \ GET_STACK_TRACE_FREE;\ asan_free(ptr, &stack, type); +#if !SANITIZER_MAC INTERCEPTOR_ATTRIBUTE void operator delete(void *ptr) { OPERATOR_DELETE_BODY(FROM_NEW); } INTERCEPTOR_ATTRIBUTE @@ -64,4 +88,19 @@ INTERCEPTOR_ATTRIBUTE void operator delete[](void *ptr, std::nothrow_t const&) { OPERATOR_DELETE_BODY(FROM_NEW_BR); } +#else // SANITIZER_MAC +INTERCEPTOR(void, _ZdlPv, void *ptr) { + OPERATOR_DELETE_BODY(FROM_NEW); +} +INTERCEPTOR(void, _ZdaPv, void *ptr) { + OPERATOR_DELETE_BODY(FROM_NEW_BR); +} +INTERCEPTOR(void, _ZdlPvRKSt9nothrow_t, void *ptr, std::nothrow_t const&) { + OPERATOR_DELETE_BODY(FROM_NEW); +} +INTERCEPTOR(void, _ZdaPvRKSt9nothrow_t, void *ptr, std::nothrow_t const&) { + OPERATOR_DELETE_BODY(FROM_NEW_BR); +} +#endif + #endif |