1 // RUN: %clangxx_asan %s -o %t && %t 2 // RUN: %clangxx_asan %s -o %t -static-libstdc++ && %t 3 #include <stdio.h> 4 static volatile int zero = 0; 5 inline void pretend_to_do_something(void *x) { 6 __asm__ __volatile__("" : : "r" (x) : "memory"); 7 } 8 9 __attribute__((noinline)) 10 void ReallyThrow() { 11 fprintf(stderr, "ReallyThrow\n"); 12 try { 13 if (zero == 0) 14 throw 42; 15 else if (zero == 1) 16 throw 1.; 17 } catch(double x) { 18 } 19 } 20 21 __attribute__((noinline)) 22 void Throw() { 23 int a, b, c, d, e; 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 fprintf(stderr, "Throw stack = %p\n", &a); 30 ReallyThrow(); 31 } 32 33 __attribute__((noinline)) 34 void CheckStack() { 35 int ar[100]; 36 pretend_to_do_something(ar); 37 for (int i = 0; i < 100; i++) 38 ar[i] = i; 39 fprintf(stderr, "CheckStack stack = %p, %p\n", ar, ar + 100); 40 } 41 42 int main(int argc, char** argv) { 43 try { 44 Throw(); 45 } catch(int a) { 46 fprintf(stderr, "a = %d\n", a); 47 } 48 CheckStack(); 49 } 50 51
