| //===--------------------------- test_vector2.cpp -------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: libcxxabi-no-exceptions |
| |
| #include "cxxabi.h" |
| |
| #include <iostream> |
| #include <cstdlib> |
| |
| void my_terminate () { exit ( 0 ); } |
| |
| // Wrapper routines |
| void *my_alloc2 ( size_t sz ) { |
| void *p = std::malloc ( sz ); |
| // std::printf ( "Allocated %ld bytes at %lx\n", sz, (unsigned long) p ); |
| return p; |
| } |
| |
| void my_dealloc2 ( void *p ) { |
| // std::printf ( "Freeing %lx\n", (unsigned long) p ); |
| std::free ( p ); |
| } |
| |
| void my_dealloc3 ( void *p, size_t ) { |
| // std::printf ( "Freeing %lx (size %ld)\n", (unsigned long) p, sz ); |
| std::free ( p ); |
| } |
| |
| void my_construct ( void *) { |
| // std::printf ( "Constructing %lx\n", (unsigned long) p ); |
| } |
| |
| void my_destruct ( void *) { |
| // std::printf ( "Destructing %lx\n", (unsigned long) p ); |
| } |
| |
| int gCounter; |
| void count_construct ( void * ) { ++gCounter; } |
| void count_destruct ( void * ) { --gCounter; } |
| |
| |
| int gConstructorCounter; |
| int gConstructorThrowTarget; |
| int gDestructorCounter; |
| int gDestructorThrowTarget; |
| void throw_construct ( void * ) { if ( gConstructorCounter == gConstructorThrowTarget ) throw 1; ++gConstructorCounter; } |
| void throw_destruct ( void * ) { if ( ++gDestructorCounter == gDestructorThrowTarget ) throw 2; } |
| |
| struct vec_on_stack { |
| void *storage; |
| vec_on_stack () : storage ( __cxxabiv1::__cxa_vec_new ( 10, 40, 8, throw_construct, throw_destruct )) {} |
| ~vec_on_stack () { __cxxabiv1::__cxa_vec_delete ( storage, 40, 8, throw_destruct ); } |
| }; |
| |
| |
| // Make sure the constructors and destructors are matched |
| void test_exception_in_destructor ( ) { |
| |
| // Try throwing from a destructor while unwinding the stack -- should abort |
| gConstructorCounter = gDestructorCounter = 0; |
| gConstructorThrowTarget = -1; |
| gDestructorThrowTarget = 5; |
| try { |
| vec_on_stack v; |
| throw 3; |
| } |
| catch ( int i ) {} |
| |
| std::cerr << "should never get here" << std::endl; |
| } |
| |
| |
| |
| int main () { |
| std::set_terminate ( my_terminate ); |
| test_exception_in_destructor (); |
| return 1; // we failed if we get here |
| } |