replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[sanitizer] Warn if interception fails. 

This includes a clang-format pass over common interceptors.

llvm-svn: 194372
This commit is contained in:
Evgeniy Stepanov 2013-11-11 11:28:30 +00:00
parent fa421639de
commit b69699eb58
5 changed files with 314 additions and 348 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
compiler-rt/lib/asan/asan_interceptors.cc
View File

@ -107,6 +107,19 @@ using namespace __asan; // NOLINT
DECLARE_REAL_AND_INTERCEPTOR(void *, malloc, uptr)
DECLARE_REAL_AND_INTERCEPTOR(void, free, void *)
#if !SANITIZER_MAC
#define ASAN_INTERCEPT_FUNC(name) \
do { \
if ((!INTERCEPT_FUNCTION(name) || !REAL(name)) && \
common_flags()->verbosity > 0) \
Report("AddressSanitizer: failed to intercept '" #name "'\n"); \
} while (0)
#else
// OS X interceptors don't need to be initialized with INTERCEPT_FUNCTION.
#define ASAN_INTERCEPT_FUNC(name)
#endif // SANITIZER_MAC
#define COMMON_INTERCEPT_FUNCTION(name) ASAN_INTERCEPT_FUNC(name)
#define COMMON_INTERCEPTOR_UNPOISON_PARAM(ctx, count) \
do { \
} while (false)
@ -653,16 +666,6 @@ INTERCEPTOR(int, __cxa_atexit, void (*func)(void *), void *arg,
}
#endif // ASAN_INTERCEPT___CXA_ATEXIT
#if !SANITIZER_MAC
#define ASAN_INTERCEPT_FUNC(name) do { \
if (!INTERCEPT_FUNCTION(name) && common_flags()->verbosity > 0) \
Report("AddressSanitizer: failed to intercept '" #name "'\n"); \
} while (0)
#else
// OS X interceptors don't need to be initialized with INTERCEPT_FUNCTION.
#define ASAN_INTERCEPT_FUNC(name)
#endif // SANITIZER_MAC
#if SANITIZER_WINDOWS
INTERCEPTOR_WINAPI(DWORD, CreateThread,
void* security, uptr stack_size,

8
compiler-rt/lib/msan/msan.cc
View File

@ -294,14 +294,16 @@ void __msan_init() {
SetDieCallback(MsanDie);
InitTlsSize();
const char *msan_options = GetEnv("MSAN_OPTIONS");
InitializeFlags(&msan_flags, msan_options);
__sanitizer_set_report_path(common_flags()->log_path);
InitializeInterceptors();
InstallAtExitHandler(); // Needs __cxa_atexit interceptor.
if (MSAN_REPLACE_OPERATORS_NEW_AND_DELETE)
ReplaceOperatorsNewAndDelete();
const char *msan_options = GetEnv("MSAN_OPTIONS");
InitializeFlags(&msan_flags, msan_options);
__sanitizer_set_report_path(common_flags()->log_path);
if (StackSizeIsUnlimited()) {
if (common_flags()->verbosity)
Printf("Unlimited stack, doing reexec\n");

10
compiler-rt/lib/msan/msan_interceptors.cc
View File

@ -1234,7 +1234,7 @@ int OnExit() {
extern "C" int *__errno_location(void);
// A version of CHECK_UNPOISED using a saved scope value. Used in common
// A version of CHECK_UNPOISONED using a saved scope value. Used in common
// interceptors.
#define CHECK_UNPOISONED_CTX(ctx, x, n) \
do { \
@ -1242,6 +1242,14 @@ extern "C" int *__errno_location(void);
CHECK_UNPOISONED_0(x, n); \
} while (0)
#define MSAN_INTERCEPT_FUNC(name) \
do { \
if ((!INTERCEPT_FUNCTION(name) || !REAL(name)) && \
common_flags()->verbosity > 0) \
Report("MemorySanitizer: failed to intercept '" #name "'\n"); \
} while (0)
#define COMMON_INTERCEPT_FUNCTION(name) MSAN_INTERCEPT_FUNC(name)
#define COMMON_INTERCEPTOR_UNPOISON_PARAM(ctx, count) \
UnpoisonParam(count)
#define COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, size) \

620
compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc
View File

File diff suppressed because it is too large Load Diff

1
compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
View File

@ -1840,6 +1840,7 @@ struct TsanInterceptorContext {
// Causes interceptor recursion (glob64() calls lstat64())
#undef SANITIZER_INTERCEPT_GLOB
#define COMMON_INTERCEPT_FUNCTION(name) INTERCEPT_FUNCTION(name)
#define COMMON_INTERCEPTOR_UNPOISON_PARAM(ctx, count) \
do { \
} while (false)