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Disable detection of on_exit()/TSan on NetBSD 

Summary:
NetBSD does not ship with on_exit() function.

Introduce TSAN_MAYBE_INTERCEPT_ON_EXIT.
It looks like this addition fixes build for Darwin.

Sponsored by <The NetBSD Foundation>

Reviewers: vitalybuka, joerg, eugenis, dvyukov, kcc

Reviewed By: vitalybuka

Subscribers: llvm-commits, kubamracek, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D39617

llvm-svn: 317361
This commit is contained in:
Kamil Rytarowski 2017-11-03 20:39:51 +00:00
parent 526f30b8aa
commit 99a91f6744
1 changed files with 5 additions and 2 deletions
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7
compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
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@ -435,7 +435,7 @@ static int setup_at_exit_wrapper(ThreadState *thr, uptr pc, void(*f)(),
return res;
}
#if !SANITIZER_MAC
#if !SANITIZER_MAC && !SANITIZER_NETBSD
static void on_exit_wrapper(int status, void *arg) {
ThreadState *thr = cur_thread();
uptr pc = 0;
@ -460,6 +460,9 @@ TSAN_INTERCEPTOR(int, on_exit, void(*f)(int, void*), void *arg) {
ThreadIgnoreEnd(thr, pc);
return res;
}
#define TSAN_MAYBE_INTERCEPT_ON_EXIT TSAN_INTERCEPT(on_exit)
#else
#define TSAN_MAYBE_INTERCEPT_ON_EXIT
#endif
// Cleanup old bufs.
@ -2605,7 +2608,7 @@ void InitializeInterceptors() {
#if !SANITIZER_ANDROID
TSAN_INTERCEPT(dl_iterate_phdr);
#endif
TSAN_INTERCEPT(on_exit);
TSAN_MAYBE_INTERCEPT_ON_EXIT;
TSAN_INTERCEPT(__cxa_atexit);
TSAN_INTERCEPT(_exit);