compiler-rt/test/Unit/gcc_personality_test.c

//===-- gcc_personality_test.c - Tests __gcc_personality_v0 -------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//


#include <stdlib.h>
#include <stdio.h>

extern void foo_clean(void* x);
extern void bar_clean(void* x);
extern void register_foo_local(int* x);
extern void register_bar_local(int* x);
extern void done_foo();
extern void done_bar();


//
// foo() is called by main() in gcc_personality_test_helper.cxx.
// done_bar() is implemented in C++ and will throw an exception.
// main() will catch the exception and verify that the cleanup
// routines for foo() and bar() were called by the personality
// function.
//


void bar()
{
    int x __attribute__((cleanup(bar_clean))) = 0;
    register_bar_local(&x);
    done_bar();
}

void foo()
{
    int x __attribute__((cleanup(foo_clean))) = 0;
    register_foo_local(&x);
    bar();
    done_foo();
}