compiler-rt/test/sanitizer_common/TestCases/Posix/fpe.cpp

   1 // Test the handle_sigfpe option.
   2 // RUN: %clangxx %s -o %t
   3 // RUN:                               not         %run %t 2>&1 | FileCheck --check-prefix=CHECK1 %s
   4 // RUN: %env_tool_opts=handle_sigfpe=0 not --crash %run %t 2>&1 | FileCheck --check-prefix=CHECK0 %s
   5 // RUN: %env_tool_opts=handle_sigfpe=1 not         %run %t 2>&1 | FileCheck --check-prefix=CHECK1 %s
   6
   7 // FIXME: seems to fail on ARM
   8 // REQUIRES: x86_64-target-arch
   9 #include <assert.h>
  10 #include <stdio.h>
  11 #include <sanitizer/asan_interface.h>
  12
  13 void death() {
  14   fprintf(stderr, "DEATH CALLBACK\n");
  15 }
  16
  17 int main(int argc, char **argv) {
  18   __sanitizer_set_death_callback(death);
  19   volatile int one = 1;
  20   volatile int zero = 0;
  21   volatile int sink;
  22   sink = one / zero;
  23 }
  24
  25 // CHECK0-NOT: Sanitizer:DEADLYSIGNAL
  26 // CHECK1: ERROR: {{.*}}Sanitizer: FPE
  27 // CHECK1: {{#[0-9]+.* main .*fpe\.cpp}}:[[@LINE-5]]
  28 // CHECK1: DEATH CALLBACK
  29 // CHECK0-NOT: {{.*}}Sanitizer: FPE