1 // RUN: %clangxx_asan %s -o %t && %run %t 2 // RUN: %clangxx_asan %s -o %t -stdlib=libstdc++ -static-libstdc++ && %run %t 3 4 #include <stdio.h> 5 static volatile int zero = 0; 6 inline void pretend_to_do_something(void *x) { 7 __asm__ __volatile__("" : : "r" (x) : "memory"); 8 } 9 10 __attribute__((noinline)) 11 void ReallyThrow() { 12 fprintf(stderr, "ReallyThrow\n"); 13 try { 14 if (zero == 0) 15 throw 42; 16 else if (zero == 1) 17 throw 1.; 18 } catch(double x) { 19 } 20 } 21 22 __attribute__((noinline)) 23 void Throw() { 24 int a, b, c, d, e; 25 pretend_to_do_something(&a); 26 pretend_to_do_something(&b); 27 pretend_to_do_something(&c); 28 pretend_to_do_something(&d); 29 pretend_to_do_something(&e); 30 fprintf(stderr, "Throw stack = %p\n", &a); 31 ReallyThrow(); 32 } 33 34 __attribute__((noinline)) 35 void CheckStack() { 36 int ar[100]; 37 pretend_to_do_something(ar); 38 for (int i = 0; i < 100; i++) 39 ar[i] = i; 40 fprintf(stderr, "CheckStack stack = %p, %p\n", ar, ar + 100); 41 } 42 43 int main(int argc, char** argv) { 44 try { 45 Throw(); 46 } catch(int a) { 47 fprintf(stderr, "a = %d\n", a); 48 } 49 CheckStack(); 50 } 51 52
