src/compiler-rt/test/asan/TestCases/Darwin/linked-only.cc

   1 // Main executable is uninstrumented, but linked to ASan runtime.
   2 // Regression test for https://code.google.com/p/address-sanitizer/issues/detail?id=357.
   3
   4 // RUN: %clangxx -g -O0 %s -c -o %t.o
   5 // RUN: %clangxx_asan -g -O0 %t.o -o %t
   6 // RUN: %run %t 2>&1 | FileCheck %s
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11
  12 #include "sanitizer/asan_interface.h"
  13
  14 void test_shadow(char *p, size_t size) {
  15   fprintf(stderr, "p = %p\n", p);
  16   char *q = (char *)__asan_region_is_poisoned(p, size);
  17   fprintf(stderr, "=%zd=\n", q ? q - p : -1);
  18 }
  19
  20 int main(int argc, char *argv[]) {
  21   char *p = (char *)malloc(10000);
  22   test_shadow(p, 100);
  23   free(p);
  24   // CHECK: =-1=
  25
  26   test_shadow((char *)&main, 1);
  27   // CHECK: =-1=
  28
  29   test_shadow((char *)&p, 1);
  30   // CHECK: =-1=
  31
  32   return 0;
  33 }