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// MSVC doesn't support GCC style inline ASM
6// UNSUPPORTED: msvc
7
8#include "defines.h"
9#include <stdio.h>
10static volatile int zero = 0;
11inline void pretend_to_do_something(void *x) {
12 __asm__ __volatile__("" : : "r" (x) : "memory");
13}
14
15__attribute__((noinline, no_sanitize_address))
16void ReallyThrow() {
17 fprintf(stderr, format: "ReallyThrow\n");
18 if (zero == 0)
19 throw 42;
20}
21
22ATTRIBUTE_NOINLINE
23void Throw() {
24 int a, b, c, d, e, f, g, h;
25 pretend_to_do_something(x: &a);
26 pretend_to_do_something(x: &b);
27 pretend_to_do_something(x: &c);
28 pretend_to_do_something(x: &d);
29 pretend_to_do_something(x: &e);
30 pretend_to_do_something(x: &f);
31 pretend_to_do_something(x: &g);
32 pretend_to_do_something(x: &h);
33 fprintf(stderr, format: "Throw stack = %p\n", &a);
34 ReallyThrow();
35}
36
37ATTRIBUTE_NOINLINE
38void CheckStack() {
39 int ar[100];
40 pretend_to_do_something(x: ar);
41 fprintf(stderr, format: "CheckStack stack = %p, %p\n", ar, ar + 100);
42 for (int i = 0; i < 100; i++)
43 ar[i] = i;
44}
45
46int main(int argc, char** argv) {
47 try {
48 Throw();
49 } catch(int a) {
50 fprintf(stderr, format: "a = %d\n", a);
51 }
52 CheckStack();
53}
54

source code of compiler-rt/test/asan/TestCases/throw_call_test.cpp