compiler-rt/test/asan/TestCases/throw_call_test.cpp

   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 #include <stdio.h>
   6 static volatile int zero = 0;
   7 inline void pretend_to_do_something(void *x) {
   8   __asm__ __volatile__("" : : "r" (x) : "memory");
   9 }
  10
  11 __attribute__((noinline, no_sanitize_address))
  12 void ReallyThrow() {
  13   fprintf(stderr, "ReallyThrow\n");
  14   if (zero == 0)
  15     throw 42;
  16 }
  17
  18 __attribute__((noinline))
  19 void Throw() {
  20   int a, b, c, d, e, f, g, h;
  21   pretend_to_do_something(&a);
  22   pretend_to_do_something(&b);
  23   pretend_to_do_something(&c);
  24   pretend_to_do_something(&d);
  25   pretend_to_do_something(&e);
  26   pretend_to_do_something(&f);
  27   pretend_to_do_something(&g);
  28   pretend_to_do_something(&h);
  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   fprintf(stderr, "CheckStack stack = %p, %p\n", ar, ar + 100);
  38   for (int i = 0; i < 100; i++)
  39     ar[i] = i;
  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 }