diff options
| -rw-r--r-- | compiler-rt/lib/tsan/go/build.bat | 2 | ||||
| -rwxr-xr-x | compiler-rt/lib/tsan/go/buildgo.sh | 2 | ||||
| -rw-r--r-- | compiler-rt/lib/tsan/rtl/tsan_defs.h | 29 | ||||
| -rw-r--r-- | compiler-rt/lib/tsan/rtl/tsan_rtl.cc | 52 | ||||
| -rw-r--r-- | compiler-rt/lib/tsan/tests/rtl/tsan_string.cc | 4 |
5 files changed, 9 insertions, 80 deletions
diff --git a/compiler-rt/lib/tsan/go/build.bat b/compiler-rt/lib/tsan/go/build.bat index 1f89e70108a..9b350a2d633 100644 --- a/compiler-rt/lib/tsan/go/build.bat +++ b/compiler-rt/lib/tsan/go/build.bat @@ -1,4 +1,4 @@ type tsan_go.cc ..\rtl\tsan_interface_atomic.cc ..\rtl\tsan_clock.cc ..\rtl\tsan_flags.cc ..\rtl\tsan_md5.cc ..\rtl\tsan_mutex.cc ..\rtl\tsan_report.cc ..\rtl\tsan_rtl.cc ..\rtl\tsan_rtl_mutex.cc ..\rtl\tsan_rtl_report.cc ..\rtl\tsan_rtl_thread.cc ..\rtl\tsan_stat.cc ..\rtl\tsan_suppressions.cc ..\rtl\tsan_sync.cc ..\rtl\tsan_stack_trace.cc ..\..\sanitizer_common\sanitizer_allocator.cc ..\..\sanitizer_common\sanitizer_common.cc ..\..\sanitizer_common\sanitizer_flags.cc ..\..\sanitizer_common\sanitizer_stacktrace.cc ..\..\sanitizer_common\sanitizer_libc.cc ..\..\sanitizer_common\sanitizer_printf.cc ..\..\sanitizer_common\sanitizer_suppressions.cc ..\..\sanitizer_common\sanitizer_thread_registry.cc ..\rtl\tsan_platform_windows.cc ..\..\sanitizer_common\sanitizer_win.cc ..\..\sanitizer_common\sanitizer_deadlock_detector1.cc ..\..\sanitizer_common\sanitizer_stackdepot.cc ..\..\sanitizer_common\sanitizer_persistent_allocator.cc > gotsan.cc -gcc -c -o race_windows_amd64.syso gotsan.cc -I..\rtl -I..\.. -I..\..\sanitizer_common -I..\..\..\include -m64 -Wall -fno-exceptions -fno-rtti -DSANITIZER_GO -DTSAN_SHADOW_COUNT=4 -Wno-error=attributes -Wno-attributes -Wno-format -DSANITIZER_DEBUG=0 -O3 -fomit-frame-pointer +gcc -c -o race_windows_amd64.syso gotsan.cc -I..\rtl -I..\.. -I..\..\sanitizer_common -I..\..\..\include -m64 -Wall -fno-exceptions -fno-rtti -DSANITIZER_GO -Wno-error=attributes -Wno-attributes -Wno-format -DSANITIZER_DEBUG=0 -O3 -fomit-frame-pointer diff --git a/compiler-rt/lib/tsan/go/buildgo.sh b/compiler-rt/lib/tsan/go/buildgo.sh index d87780f6e5e..52310aa228b 100755 --- a/compiler-rt/lib/tsan/go/buildgo.sh +++ b/compiler-rt/lib/tsan/go/buildgo.sh @@ -87,7 +87,7 @@ for F in $SRCS; do cat $F >> gotsan.cc done -FLAGS=" -I../rtl -I../.. -I../../sanitizer_common -I../../../include -std=c++11 -m64 -Wall -fno-exceptions -fno-rtti -DSANITIZER_GO -DTSAN_SHADOW_COUNT=4 -DSANITIZER_DEADLOCK_DETECTOR_VERSION=2 $OSCFLAGS" +FLAGS=" -I../rtl -I../.. -I../../sanitizer_common -I../../../include -std=c++11 -m64 -Wall -fno-exceptions -fno-rtti -DSANITIZER_GO -DSANITIZER_DEADLOCK_DETECTOR_VERSION=2 $OSCFLAGS" if [ "$DEBUG" == "" ]; then FLAGS+=" -DSANITIZER_DEBUG=0 -O3 -msse3 -fomit-frame-pointer" else diff --git a/compiler-rt/lib/tsan/rtl/tsan_defs.h b/compiler-rt/lib/tsan/rtl/tsan_defs.h index f88322c65b7..f19aee99933 100644 --- a/compiler-rt/lib/tsan/rtl/tsan_defs.h +++ b/compiler-rt/lib/tsan/rtl/tsan_defs.h @@ -40,18 +40,8 @@ const int kClkBits = 42; const unsigned kMaxTidReuse = (1 << (64 - kClkBits)) - 1; const uptr kShadowStackSize = 64 * 1024; -#ifdef TSAN_SHADOW_COUNT -# if TSAN_SHADOW_COUNT == 2 \ - || TSAN_SHADOW_COUNT == 4 || TSAN_SHADOW_COUNT == 8 -const uptr kShadowCnt = TSAN_SHADOW_COUNT; -# else -# error "TSAN_SHADOW_COUNT must be one of 2,4,8" -# endif -#else // Count of shadow values in a shadow cell. -#define TSAN_SHADOW_COUNT 4 const uptr kShadowCnt = 4; -#endif // That many user bytes are mapped onto a single shadow cell. const uptr kShadowCell = 8; @@ -96,16 +86,6 @@ void build_consistency_stats(); void build_consistency_nostats(); #endif -#if TSAN_SHADOW_COUNT == 1 -void build_consistency_shadow1(); -#elif TSAN_SHADOW_COUNT == 2 -void build_consistency_shadow2(); -#elif TSAN_SHADOW_COUNT == 4 -void build_consistency_shadow4(); -#else -void build_consistency_shadow8(); -#endif - static inline void USED build_consistency() { #if SANITIZER_DEBUG build_consistency_debug(); @@ -117,15 +97,6 @@ static inline void USED build_consistency() { #else build_consistency_nostats(); #endif -#if TSAN_SHADOW_COUNT == 1 - build_consistency_shadow1(); -#elif TSAN_SHADOW_COUNT == 2 - build_consistency_shadow2(); -#elif TSAN_SHADOW_COUNT == 4 - build_consistency_shadow4(); -#else - build_consistency_shadow8(); -#endif } template<typename T> diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc index 1ba1b96a8bf..30ea1ee5138 100644 --- a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc +++ b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc @@ -565,43 +565,15 @@ void MemoryAccessImpl1(ThreadState *thr, uptr addr, // it's just not worth it (performance- and complexity-wise). Shadow old(0); - if (kShadowCnt == 1) { - int idx = 0; -#include "tsan_update_shadow_word_inl.h" - } else if (kShadowCnt == 2) { - int idx = 0; -#include "tsan_update_shadow_word_inl.h" - idx = 1; -#include "tsan_update_shadow_word_inl.h" - } else if (kShadowCnt == 4) { - int idx = 0; -#include "tsan_update_shadow_word_inl.h" - idx = 1; -#include "tsan_update_shadow_word_inl.h" - idx = 2; -#include "tsan_update_shadow_word_inl.h" - idx = 3; -#include "tsan_update_shadow_word_inl.h" - } else if (kShadowCnt == 8) { - int idx = 0; -#include "tsan_update_shadow_word_inl.h" - idx = 1; -#include "tsan_update_shadow_word_inl.h" - idx = 2; -#include "tsan_update_shadow_word_inl.h" - idx = 3; -#include "tsan_update_shadow_word_inl.h" - idx = 4; + + int idx = 0; #include "tsan_update_shadow_word_inl.h" - idx = 5; + idx = 1; #include "tsan_update_shadow_word_inl.h" - idx = 6; + idx = 2; #include "tsan_update_shadow_word_inl.h" - idx = 7; + idx = 3; #include "tsan_update_shadow_word_inl.h" - } else { - CHECK(false); - } // we did not find any races and had already stored // the current access info, so we are done @@ -652,7 +624,7 @@ bool ContainsSameAccessSlow(u64 *s, u64 a, u64 sync_epoch, bool is_write) { return false; } -#if defined(__SSE3__) && TSAN_SHADOW_COUNT == 4 +#if defined(__SSE3__) #define SHUF(v0, v1, i0, i1, i2, i3) _mm_castps_si128(_mm_shuffle_ps( \ _mm_castsi128_ps(v0), _mm_castsi128_ps(v1), \ (i0)*1 + (i1)*4 + (i2)*16 + (i3)*64)) @@ -712,7 +684,7 @@ bool ContainsSameAccessFast(u64 *s, u64 a, u64 sync_epoch, bool is_write) { ALWAYS_INLINE bool ContainsSameAccess(u64 *s, u64 a, u64 sync_epoch, bool is_write) { -#if defined(__SSE3__) && TSAN_SHADOW_COUNT == 4 +#if defined(__SSE3__) bool res = ContainsSameAccessFast(s, a, sync_epoch, is_write); // NOTE: this check can fail if the shadow is concurrently mutated // by other threads. But it still can be useful if you modify @@ -1003,16 +975,6 @@ void build_consistency_stats() {} void build_consistency_nostats() {} #endif -#if TSAN_SHADOW_COUNT == 1 -void build_consistency_shadow1() {} -#elif TSAN_SHADOW_COUNT == 2 -void build_consistency_shadow2() {} -#elif TSAN_SHADOW_COUNT == 4 -void build_consistency_shadow4() {} -#else -void build_consistency_shadow8() {} -#endif - } // namespace __tsan #ifndef SANITIZER_GO diff --git a/compiler-rt/lib/tsan/tests/rtl/tsan_string.cc b/compiler-rt/lib/tsan/tests/rtl/tsan_string.cc index c402f7cbd67..75adc6c85ee 100644 --- a/compiler-rt/lib/tsan/tests/rtl/tsan_string.cc +++ b/compiler-rt/lib/tsan/tests/rtl/tsan_string.cc @@ -46,9 +46,6 @@ TEST(ThreadSanitizer, MemcpyRace1) { t2.Memcpy(data, data2, 10, true); } -// The test fails with TSAN_SHADOW_COUNT=2, -// because the old racy access is evicted. -#if defined(TSAN_SHADOW_COUNT) && TSAN_SHADOW_COUNT >= 4 TEST(ThreadSanitizer, MemcpyRace2) { char *data = new char[10]; char *data1 = new char[10]; @@ -57,7 +54,6 @@ TEST(ThreadSanitizer, MemcpyRace2) { t1.Memcpy(data+5, data1, 1); t2.Memcpy(data+3, data2, 4, true); } -#endif TEST(ThreadSanitizer, MemcpyRace3) { char *data = new char[10]; |
