diff options
Diffstat (limited to 'lib/asan/asan_preinit.cc')
| -rw-r--r-- | lib/asan/asan_preinit.cc | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/lib/asan/asan_preinit.cc b/lib/asan/asan_preinit.cc index 586f551c23c32..a3986d24f9c3b 100644 --- a/lib/asan/asan_preinit.cc +++ b/lib/asan/asan_preinit.cc @@ -10,22 +10,16 @@ // This file is a part of AddressSanitizer, an address sanity checker. // // Call __asan_init at the very early stage of process startup. -// On Linux we use .preinit_array section (unless PIC macro is defined). //===----------------------------------------------------------------------===// #include "asan_internal.h" -#if ASAN_USE_PREINIT_ARRAY && !defined(PIC) - // On Linux, we force __asan_init to be called before anyone else - // by placing it into .preinit_array section. - // FIXME: do we have anything like this on Mac? +using namespace __asan; + +#if SANITIZER_CAN_USE_PREINIT_ARRAY // The symbol is called __local_asan_preinit, because it's not intended to be // exported. + // This code linked into the main executable when -fsanitize=address is in + // the link flags. It can only use exported interface functions. __attribute__((section(".preinit_array"), used)) void (*__local_asan_preinit)(void) = __asan_init; -#elif SANITIZER_WINDOWS && defined(_DLL) - // On Windows, when using dynamic CRT (/MD), we can put a pointer - // to __asan_init into the global list of C initializers. - // See crt0dat.c in the CRT sources for the details. - #pragma section(".CRT$XIB", long, read) // NOLINT - __declspec(allocate(".CRT$XIB")) void (*__asan_preinit)() = __asan_init; #endif |