sys/external/bsd/compiler_rt/dist/test/Unit/gcc_personality_test.c

   1 /* ===-- gcc_personality_test.c - Tests __gcc_personality_v0 -------------===
   2  *
   3  *                     The LLVM Compiler Infrastructure
   4  *
   5  * This file is dual licensed under the MIT and the University of Illinois Open
   6  * Source Licenses. See LICENSE.TXT for details.
   7  *
   8  * ===----------------------------------------------------------------------===
   9  */
  10
  11
  12 #include <stdlib.h>
  13 #include <stdio.h>
  14
  15 extern void foo_clean(void* x);
  16 extern void bar_clean(void* x);
  17 extern void register_foo_local(int* x);
  18 extern void register_bar_local(int* x);
  19 extern void done_foo();
  20 extern void done_bar();
  21
  22
  23 /*
  24  * foo() is called by main() in gcc_personality_test_helper.cxx.
  25  * done_bar() is implemented in C++ and will throw an exception.
  26  * main() will catch the exception and verify that the cleanup
  27  * routines for foo() and bar() were called by the personality
  28  * function.
  29  */
  30
  31 void bar() {
  32     int x __attribute__((cleanup(bar_clean))) = 0;
  33     register_bar_local(&x);
  34     done_bar();
  35 }
  36
  37 void foo() {
  38     int x __attribute__((cleanup(foo_clean))) = 0;
  39     register_foo_local(&x);
  40     bar();
  41     done_foo();
  42 }