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//===-- asan_interceptors_dynamic.cc --------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// __DATA,__interpose section of the dynamic runtime library for Mac OS.
//===----------------------------------------------------------------------===//
#if defined(__APPLE__)
#include "../asan_interceptors.h"
#include "../asan_intercepted_functions.h"
namespace __asan {
#if !MAC_INTERPOSE_FUNCTIONS
# error \
Dynamic interposing library should be built with -DMAC_INTERPOSE_FUNCTIONS
#endif
#define INTERPOSE_FUNCTION(function) \
{ reinterpret_cast<const uptr>(WRAP(function)), \
reinterpret_cast<const uptr>(function) }
#define INTERPOSE_FUNCTION_2(function, wrapper) \
{ reinterpret_cast<const uptr>(wrapper), \
reinterpret_cast<const uptr>(function) }
struct interpose_substitution {
const uptr replacement;
const uptr original;
};
__attribute__((used))
const interpose_substitution substitutions[]
__attribute__((section("__DATA, __interpose"))) = {
INTERPOSE_FUNCTION(strlen),
INTERPOSE_FUNCTION(memcmp),
INTERPOSE_FUNCTION(memcpy),
INTERPOSE_FUNCTION(memmove),
INTERPOSE_FUNCTION(memset),
INTERPOSE_FUNCTION(strchr),
INTERPOSE_FUNCTION(strcat),
INTERPOSE_FUNCTION(strncat),
INTERPOSE_FUNCTION(strcpy),
INTERPOSE_FUNCTION(strncpy),
INTERPOSE_FUNCTION(pthread_create),
INTERPOSE_FUNCTION(longjmp),
#if ASAN_INTERCEPT__LONGJMP
INTERPOSE_FUNCTION(_longjmp),
#endif
#if ASAN_INTERCEPT_SIGLONGJMP
INTERPOSE_FUNCTION(siglongjmp),
#endif
#if ASAN_INTERCEPT_STRDUP
INTERPOSE_FUNCTION(strdup),
#endif
#if ASAN_INTERCEPT_STRNLEN
INTERPOSE_FUNCTION(strnlen),
#endif
#if ASAN_INTERCEPT_INDEX
INTERPOSE_FUNCTION_2(index, WRAP(strchr)),
#endif
INTERPOSE_FUNCTION(strcmp),
INTERPOSE_FUNCTION(strncmp),
#if ASAN_INTERCEPT_STRCASECMP_AND_STRNCASECMP
INTERPOSE_FUNCTION(strcasecmp),
INTERPOSE_FUNCTION(strncasecmp),
#endif
INTERPOSE_FUNCTION(atoi),
INTERPOSE_FUNCTION(atol),
INTERPOSE_FUNCTION(strtol),
#if ASAN_INTERCEPT_ATOLL_AND_STRTOLL
INTERPOSE_FUNCTION(atoll),
INTERPOSE_FUNCTION(strtoll),
#endif
#if ASAN_INTERCEPT_MLOCKX
INTERPOSE_FUNCTION(mlock),
INTERPOSE_FUNCTION(munlock),
INTERPOSE_FUNCTION(mlockall),
INTERPOSE_FUNCTION(munlockall),
#endif
INTERPOSE_FUNCTION(dispatch_async_f),
INTERPOSE_FUNCTION(dispatch_sync_f),
INTERPOSE_FUNCTION(dispatch_after_f),
INTERPOSE_FUNCTION(dispatch_barrier_async_f),
INTERPOSE_FUNCTION(dispatch_group_async_f),
#ifndef MISSING_BLOCKS_SUPPORT
INTERPOSE_FUNCTION(dispatch_group_async),
INTERPOSE_FUNCTION(dispatch_async),
INTERPOSE_FUNCTION(dispatch_after),
INTERPOSE_FUNCTION(dispatch_source_set_event_handler),
INTERPOSE_FUNCTION(dispatch_source_set_cancel_handler),
#endif
INTERPOSE_FUNCTION(signal),
INTERPOSE_FUNCTION(sigaction),
INTERPOSE_FUNCTION(__CFInitialize),
INTERPOSE_FUNCTION(CFStringCreateCopy),
INTERPOSE_FUNCTION(free),
};
} // namespace __asan
#endif // __APPLE__
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