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

   1 // RUN: %clangxx_asan %s -o %t && %run %t
   2 // RUN: %clangxx_asan %s -o %t -static-libstdc++ && %run %t
   3
   4 // Investigate why it fails with NDK 21.
   5 // UNSUPPORTED: android
   6
   7 #include <stdio.h>
   8 static volatile int zero = 0;
   9 inline void pretend_to_do_something(void *x) {
  10   __asm__ __volatile__("" : : "r" (x) : "memory");
  11 }
  12
  13 __attribute__((noinline))
  14 void ReallyThrow() {
  15   fprintf(stderr, "ReallyThrow\n");
  16   try {
  17     if (zero == 0)
  18       throw 42;
  19     else if (zero == 1)
  20       throw 1.;
  21   } catch(double x) {
  22   }
  23 }
  24
  25 __attribute__((noinline))
  26 void Throw() {
  27   int a, b, c, d, e;
  28   pretend_to_do_something(&a);
  29   pretend_to_do_something(&b);
  30   pretend_to_do_something(&c);
  31   pretend_to_do_something(&d);
  32   pretend_to_do_something(&e);
  33   fprintf(stderr, "Throw stack = %p\n", &a);
  34   ReallyThrow();
  35 }
  36
  37 __attribute__((noinline))
  38 void CheckStack() {
  39   int ar[100];
  40   pretend_to_do_something(ar);
  41   for (int i = 0; i < 100; i++)
  42     ar[i] = i;
  43   fprintf(stderr, "CheckStack stack = %p, %p\n", ar, ar + 100);
  44 }
  45
  46 int main(int argc, char** argv) {
  47   try {
  48     Throw();
  49   } catch(int a) {
  50     fprintf(stderr, "a = %d\n", a);
  51   }
  52   CheckStack();
  53 }
  54