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 // Clang doesn't support exceptions on Windows yet. 9 // XFAIL: win32 10 11 #include <stdio.h> 12 static volatile int zero = 0; 13 inline void pretend_to_do_something(void *x) { 14 __asm__ __volatile__("" : : "r" (x) : "memory"); 15 } 16 17 __attribute__((noinline, no_sanitize_address)) 18 void ReallyThrow() { 19 fprintf(stderr, "ReallyThrow\n"); 20 if (zero == 0) 21 throw 42; 22 } 23 24 __attribute__((noinline)) 25 void Throw() { 26 int a, b, c, d, e, f, g, h; 27 pretend_to_do_something(&a); 28 pretend_to_do_something(&b); 29 pretend_to_do_something(&c); 30 pretend_to_do_something(&d); 31 pretend_to_do_something(&e); 32 pretend_to_do_something(&f); 33 pretend_to_do_something(&g); 34 pretend_to_do_something(&h); 35 fprintf(stderr, "Throw stack = %p\n", &a); 36 ReallyThrow(); 37 } 38 39 __attribute__((noinline)) 40 void CheckStack() { 41 int ar[100]; 42 pretend_to_do_something(ar); 43 fprintf(stderr, "CheckStack stack = %p, %p\n", ar, ar + 100); 44 for (int i = 0; i < 100; i++) 45 ar[i] = i; 46 } 47 48 int main(int argc, char** argv) { 49 try { 50 Throw(); 51 } catch(int a) { 52 fprintf(stderr, "a = %d\n", a); 53 } 54 CheckStack(); 55 } 56
