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[src/trunk]: src/external/gpl3/gcc/dist/libsanitizer/tsan Sync chunks of tsan...
details: https://anonhg.NetBSD.org/src/rev/1ee089192849
branches: trunk
changeset: 938649:1ee089192849
user: kamil <kamil%NetBSD.org@localhost>
date: Sat Sep 12 22:23:57 2020 +0000
description:
Sync chunks of tsan_interceptors.cc with LLVM rev. 74760bb00fb9b78a2fe122
Sync tsan_interceptors.cc with upstream file tsan_interceptors_posix.cpp.
Changes:
- define fileno_unlocked() for NetBSD
- use defined __sanitizer_FILE for NetBSD
- handle symbol indirection for vfork and nanosleep
- delete sem_* API, currently moved to common code with sanitizers
- undef SANITIZER_INTERCEPT_PTHREAD_SIGMASK to fix build
- remove locally introduced SANITIZER_NETBSD
With these changes, TSan for GCC builds.
diffstat:
external/gpl3/gcc/dist/libsanitizer/tsan/tsan_interceptors.cc | 77 +---------
1 files changed, 10 insertions(+), 67 deletions(-)
diffs (125 lines):
diff -r 2aba52e9ef25 -r 1ee089192849 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_interceptors.cc
--- a/external/gpl3/gcc/dist/libsanitizer/tsan/tsan_interceptors.cc Sat Sep 12 22:12:17 2020 +0000
+++ b/external/gpl3/gcc/dist/libsanitizer/tsan/tsan_interceptors.cc Sat Sep 12 22:23:57 2020 +0000
@@ -40,17 +40,16 @@
#if SANITIZER_NETBSD
#define dirfd(dirp) (*(int *)(dirp))
-#define fileno_unlocked fileno
+#define fileno_unlocked(fp) \
+ (((__sanitizer_FILE *)fp)->_file == -1 \
+ ? -1 \
+ : (int)(unsigned short)(((__sanitizer_FILE *)fp)->_file))
-#if _LP64
-#define __sF_size 152
-#else
-#define __sF_size 88
-#endif
+#define stdout ((__sanitizer_FILE*)&__sF[1])
+#define stderr ((__sanitizer_FILE*)&__sF[2])
-#define stdout ((char*)&__sF + (__sF_size * 1))
-#define stderr ((char*)&__sF + (__sF_size * 2))
-
+#define nanosleep __nanosleep50
+#define vfork __vfork14
#endif
#if SANITIZER_ANDROID
@@ -92,8 +91,8 @@
DECLARE_REAL_AND_INTERCEPTOR(void, free, void *ptr)
extern "C" void *pthread_self();
extern "C" void _exit(int status);
+#if !SANITIZER_NETBSD
extern "C" int fileno_unlocked(void *stream);
-#if !SANITIZER_NETBSD
extern "C" int dirfd(void *dirp);
#endif
#if !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_NETBSD
@@ -1417,61 +1416,6 @@
return 0;
}
-TSAN_INTERCEPTOR(int, sem_init, void *s, int pshared, unsigned value) {
- SCOPED_TSAN_INTERCEPTOR(sem_init, s, pshared, value);
- int res = REAL(sem_init)(s, pshared, value);
- return res;
-}
-
-TSAN_INTERCEPTOR(int, sem_destroy, void *s) {
- SCOPED_TSAN_INTERCEPTOR(sem_destroy, s);
- int res = REAL(sem_destroy)(s);
- return res;
-}
-
-TSAN_INTERCEPTOR(int, sem_wait, void *s) {
- SCOPED_TSAN_INTERCEPTOR(sem_wait, s);
- int res = BLOCK_REAL(sem_wait)(s);
- if (res == 0) {
- Acquire(thr, pc, (uptr)s);
- }
- return res;
-}
-
-TSAN_INTERCEPTOR(int, sem_trywait, void *s) {
- SCOPED_TSAN_INTERCEPTOR(sem_trywait, s);
- int res = BLOCK_REAL(sem_trywait)(s);
- if (res == 0) {
- Acquire(thr, pc, (uptr)s);
- }
- return res;
-}
-
-TSAN_INTERCEPTOR(int, sem_timedwait, void *s, void *abstime) {
- SCOPED_TSAN_INTERCEPTOR(sem_timedwait, s, abstime);
- int res = BLOCK_REAL(sem_timedwait)(s, abstime);
- if (res == 0) {
- Acquire(thr, pc, (uptr)s);
- }
- return res;
-}
-
-TSAN_INTERCEPTOR(int, sem_post, void *s) {
- SCOPED_TSAN_INTERCEPTOR(sem_post, s);
- Release(thr, pc, (uptr)s);
- int res = REAL(sem_post)(s);
- return res;
-}
-
-TSAN_INTERCEPTOR(int, sem_getvalue, void *s, int *sval) {
- SCOPED_TSAN_INTERCEPTOR(sem_getvalue, s, sval);
- int res = REAL(sem_getvalue)(s, sval);
- if (res == 0) {
- Acquire(thr, pc, (uptr)s);
- }
- return res;
-}
-
#if SANITIZER_LINUX && !SANITIZER_ANDROID
TSAN_INTERCEPTOR(int, __fxstat, int version, int fd, void *buf) {
SCOPED_TSAN_INTERCEPTOR(__fxstat, version, fd, buf);
@@ -2236,6 +2180,7 @@
#define NEED_TLS_GET_ADDR
#endif
#undef SANITIZER_INTERCEPT_TLS_GET_ADDR
+#undef SANITIZER_INTERCEPT_PTHREAD_SIGMASK
#define COMMON_INTERCEPT_FUNCTION(name) INTERCEPT_FUNCTION(name)
#define COMMON_INTERCEPT_FUNCTION_VER(name, ver) \
@@ -2476,7 +2421,6 @@
TSAN_SYSCALL();
FdClose(thr, pc, fd);
}
-#endif
static USED void syscall_fd_acquire(uptr pc, int fd) {
TSAN_SYSCALL();
@@ -2490,7 +2434,6 @@
FdRelease(thr, pc, fd);
}
-#if !SANITIZER_NETBSD
static void syscall_pre_fork(uptr pc) {
TSAN_SYSCALL();
ForkBefore(thr, pc);
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