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tsan: intercept longjmp() but die in it, greatly simplifies problem diagnostic 

llvm-svn: 157760
This commit is contained in:
Dmitry Vyukov 2012-05-31 18:03:59 +00:00
parent 21d6ec9224
commit 95a5c5ca4c
3 changed files with 19 additions and 0 deletions
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15
compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
View File

@ -235,6 +235,18 @@ TSAN_INTERCEPTOR(int, atexit, void (*f)()) {
return 0;
}
TSAN_INTERCEPTOR(void, longjmp, void *env, int val) {
SCOPED_TSAN_INTERCEPTOR(longjmp, env, val);
Printf("ThreadSanitizer: longjmp() is not supported\n");
Die();
}
TSAN_INTERCEPTOR(void, siglongjmp, void *env, int val) {
SCOPED_TSAN_INTERCEPTOR(siglongjmp, env, val);
Printf("ThreadSanitizer: siglongjmp() is not supported\n");
Die();
}
static uptr fd2addr(int fd) {
(void)fd;
static u64 addr;
@ -1370,6 +1382,9 @@ void InitializeInterceptors() {
REAL(memset) = poormans_memset;
REAL(memcpy) = poormans_memcpy;
TSAN_INTERCEPT(longjmp);
TSAN_INTERCEPT(siglongjmp);
TSAN_INTERCEPT(malloc);
TSAN_INTERCEPT(calloc);
TSAN_INTERCEPT(realloc);

2
compiler-rt/lib/tsan/rtl/tsan_stat.cc
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@ -91,6 +91,8 @@ void StatOutput(u64 *stat) {
name[StatAtomic8] = " size 8 ";
name[StatInterceptor] = "Interceptors ";
name[StatInt_longjmp] = " longjmp ";
name[StatInt_siglongjmp] = " siglongjmp ";
name[StatInt_malloc] = " malloc ";
name[StatInt_calloc] = " calloc ";
name[StatInt_realloc] = " realloc ";

2
compiler-rt/lib/tsan/rtl/tsan_stat.h
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@ -91,6 +91,8 @@ enum StatType {
// Interceptors.
StatInterceptor,
StatInt_longjmp,
StatInt_siglongjmp,
StatInt_malloc,
StatInt_calloc,
StatInt_realloc,