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;
pretend_to_do_something(void * x)6 inline void pretend_to_do_something(void *x) {
7 __asm__ __volatile__("" : : "r" (x) : "memory");
8 }
9
10 __attribute__((noinline))
ReallyThrow()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))
Throw()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))
CheckStack()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
main(int argc,char ** argv)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