1 // RUN: %clangxx_asan %s -o %t && %run %t
2 // http://code.google.com/p/address-sanitizer/issues/detail?id=147 (not fixed).
3 // BROKEN: %clangxx_asan %s -o %t -static-libstdc++ && %run %t
4 //
5 // Android builds with static libstdc++ by default.
6 // XFAIL: android
7
8 #include <stdio.h>
9 static volatile int zero = 0;
pretend_to_do_something(void * x)10 inline void pretend_to_do_something(void *x) {
11 __asm__ __volatile__("" : : "r" (x) : "memory");
12 }
13
14 __attribute__((noinline, no_sanitize_address))
ReallyThrow()15 void ReallyThrow() {
16 fprintf(stderr, "ReallyThrow\n");
17 if (zero == 0)
18 throw 42;
19 }
20
21 __attribute__((noinline))
Throw()22 void Throw() {
23 int a, b, c, d, e, f, g, h;
24 pretend_to_do_something(&a);
25 pretend_to_do_something(&b);
26 pretend_to_do_something(&c);
27 pretend_to_do_something(&d);
28 pretend_to_do_something(&e);
29 pretend_to_do_something(&f);
30 pretend_to_do_something(&g);
31 pretend_to_do_something(&h);
32 fprintf(stderr, "Throw stack = %p\n", &a);
33 ReallyThrow();
34 }
35
36 __attribute__((noinline))
CheckStack()37 void CheckStack() {
38 int ar[100];
39 pretend_to_do_something(ar);
40 fprintf(stderr, "CheckStack stack = %p, %p\n", ar, ar + 100);
41 for (int i = 0; i < 100; i++)
42 ar[i] = i;
43 }
44
main(int argc,char ** argv)45 int main(int argc, char** argv) {
46 try {
47 Throw();
48 } catch(int a) {
49 fprintf(stderr, "a = %d\n", a);
50 }
51 CheckStack();
52 }
53