compiler-rt/test/builtins/Unit/gcc_personality_test.c

   1 // FIXME: XFAIL as currently it cannot be built by lit properly.
   2 // XFAIL: *
   3 // RUN: %clangxx_builtins %s %librt -o %t && %run %t
   4 /* ===-- gcc_personality_test.c - Tests __gcc_personality_v0 -------------===
   5  *
   6  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   7  * See https://llvm.org/LICENSE.txt for license information.
   8  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   9  *
  10  * ===----------------------------------------------------------------------===
  11  */
  12
  13
  14 #include <stdlib.h>
  15 #include <stdio.h>
  16
  17 extern void foo_clean(void* x);
  18 extern void bar_clean(void* x);
  19 extern void register_foo_local(int* x);
  20 extern void register_bar_local(int* x);
  21 extern void done_foo();
  22 extern void done_bar();
  23
  24
  25 /*
  26  * foo() is called by main() in gcc_personality_test_helper.cxx.
  27  * done_bar() is implemented in C++ and will throw an exception.
  28  * main() will catch the exception and verify that the cleanup
  29  * routines for foo() and bar() were called by the personality
  30  * function.
  31  */
  32
  33 void bar() {
  34     int x __attribute__((cleanup(bar_clean))) = 0;
  35     register_bar_local(&x);
  36     done_bar();
  37 }
  38
  39 void foo() {
  40     int x __attribute__((cleanup(foo_clean))) = 0;
  41     register_foo_local(&x);
  42     bar();
  43     done_foo();
  44 }