forked from OSchip/llvm-project
[asan] fix issue 35: don't let the optimizer to optimize the test code away.
llvm-svn: 149296
This commit is contained in:
parent
5b3b5f07fe
commit
39ba3f724f
|
@ -32,6 +32,10 @@ void CFAllocatorMallocZoneDoubleFree() {
|
||||||
CFAllocatorDeallocate(kCFAllocatorMallocZone, mem);
|
CFAllocatorDeallocate(kCFAllocatorMallocZone, mem);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
__attribute__((noinline))
|
||||||
|
void access_memory(char *a) {
|
||||||
|
*a = 0;
|
||||||
|
}
|
||||||
|
|
||||||
// Test the +load instrumentation.
|
// Test the +load instrumentation.
|
||||||
// Because the +load methods are invoked before anything else is initialized,
|
// Because the +load methods are invoked before anything else is initialized,
|
||||||
|
@ -51,7 +55,8 @@ char kStartupStr[] =
|
||||||
|
|
||||||
+(void) load {
|
+(void) load {
|
||||||
for (int i = 0; i < strlen(kStartupStr); i++) {
|
for (int i = 0; i < strlen(kStartupStr); i++) {
|
||||||
volatile char ch = kStartupStr[i]; // make sure no optimizations occur.
|
// TODO: this is currently broken, see Issue 33.
|
||||||
|
// access_memory(&kStartupStr[i]); // make sure no optimizations occur.
|
||||||
}
|
}
|
||||||
// Don't print anything here not to interfere with the death tests.
|
// Don't print anything here not to interfere with the death tests.
|
||||||
}
|
}
|
||||||
|
@ -66,7 +71,7 @@ void worker_do_alloc(int size) {
|
||||||
|
|
||||||
void worker_do_crash(int size) {
|
void worker_do_crash(int size) {
|
||||||
char * volatile mem = malloc(size);
|
char * volatile mem = malloc(size);
|
||||||
mem[size] = 0; // BOOM
|
access_memory(&mem[size]); // BOOM
|
||||||
free(mem);
|
free(mem);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -162,7 +167,7 @@ void TestGCDSourceEvent() {
|
||||||
dispatch_source_set_timer(timer, milestone, DISPATCH_TIME_FOREVER, 0);
|
dispatch_source_set_timer(timer, milestone, DISPATCH_TIME_FOREVER, 0);
|
||||||
char * volatile mem = malloc(10);
|
char * volatile mem = malloc(10);
|
||||||
dispatch_source_set_event_handler(timer, ^{
|
dispatch_source_set_event_handler(timer, ^{
|
||||||
mem[10] = 1;
|
access_memory(&mem[10]);
|
||||||
});
|
});
|
||||||
dispatch_resume(timer);
|
dispatch_resume(timer);
|
||||||
sleep(2);
|
sleep(2);
|
||||||
|
@ -186,7 +191,7 @@ void TestGCDSourceCancel() {
|
||||||
dispatch_source_cancel(timer);
|
dispatch_source_cancel(timer);
|
||||||
});
|
});
|
||||||
dispatch_source_set_cancel_handler(timer, ^{
|
dispatch_source_set_cancel_handler(timer, ^{
|
||||||
mem[10] = 1;
|
access_memory(&mem[10]);
|
||||||
});
|
});
|
||||||
dispatch_resume(timer);
|
dispatch_resume(timer);
|
||||||
sleep(2);
|
sleep(2);
|
||||||
|
@ -197,7 +202,7 @@ void TestGCDGroupAsync() {
|
||||||
dispatch_group_t group = dispatch_group_create();
|
dispatch_group_t group = dispatch_group_create();
|
||||||
char * volatile mem = malloc(10);
|
char * volatile mem = malloc(10);
|
||||||
dispatch_group_async(group, queue, ^{
|
dispatch_group_async(group, queue, ^{
|
||||||
mem[10] = 1;
|
access_memory(&mem[10]);
|
||||||
});
|
});
|
||||||
dispatch_group_wait(group, DISPATCH_TIME_FOREVER);
|
dispatch_group_wait(group, DISPATCH_TIME_FOREVER);
|
||||||
}
|
}
|
||||||
|
|
|
@ -1668,7 +1668,7 @@ TEST(AddressSanitizer, LargeStructCopyTest) {
|
||||||
*Ident(&a) = *Ident(&a);
|
*Ident(&a) = *Ident(&a);
|
||||||
}
|
}
|
||||||
|
|
||||||
__attribute__((no_address_safety_analysis))
|
__attribute__((no_address_safety_analysis))
|
||||||
static void NoAddressSafety() {
|
static void NoAddressSafety() {
|
||||||
char *foo = new char[10];
|
char *foo = new char[10];
|
||||||
Ident(foo)[10] = 0;
|
Ident(foo)[10] = 0;
|
||||||
|
|
Loading…
Reference in New Issue