compiler-rt/test/hwasan/TestCases/global.c

   1 // RUN: %clang_hwasan %s -o %t
   2 // RUN: %run %t 0
   3 // RUN: not %run %t 1 2>&1 | FileCheck --check-prefixes=CHECK,RSYM %s
   4 // RUN: not %env_hwasan_opts=symbolize=0 %run %t 1 2>&1 | FileCheck --check-prefixes=CHECK,RNOSYM %s
   5 // RUN: not %run %t -1 2>&1 | FileCheck --check-prefixes=CHECK,LSYM %s
   6 // RUN: not %env_hwasan_opts=symbolize=0 %run %t -1 2>&1 | FileCheck --check-prefixes=CHECK,LNOSYM %s
   7
   8 int x = 1;
   9
  10 int main(int argc, char **argv) {
  11   // RSYM: is located 0 bytes to the right of 4-byte global variable x {{.*}} in {{.*}}global.c.tmp
  12   // RNOSYM: is located to the right of a global variable in ({{.*}}global.c.tmp+{{.*}})
  13   // LSYM: is located 4 bytes to the left of 4-byte global variable x {{.*}} in {{.*}}global.c.tmp
  14   // LNOSYM: is located to the left of a global variable in ({{.*}}global.c.tmp+{{.*}})
  15   // CHECK-NOT: can not describe
  16   (&x)[atoi(argv[1])] = 1;
  17 }