/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <typeinfo>
#include <exception>
#include <cxxabi.h>
// we need this here for _LIBCPPABI_VERSION, etc
#include <unwind.h>
#include <config_cxxabi.h>
#include <uno/any2.h>
#include <uno/mapping.h>
#if !HAVE_CXXABI_H_CLASS_TYPE_INFO
// <https://mentorembedded.github.io/cxx-abi/abi.html>,
// libstdc++-v3/libsupc++/cxxabi.h:
namespace __cxxabiv1 {
class __class_type_info:
public std::type_info {
public:
explicit __class_type_info(
char const * n): type_info(n) {}
~__class_type_info() override;
};
}
#endif
#if !HAVE_CXXABI_H_SI_CLASS_TYPE_INFO
// <https://mentorembedded.github.io/cxx-abi/abi.html>,
// libstdc++-v3/libsupc++/cxxabi.h:
namespace __cxxabiv1 {
class __si_class_type_info:
public __class_type_info {
public:
__class_type_info
const * __base_type;
explicit __si_class_type_info(
char const * n, __class_type_info
const *base):
__class_type_info(n), __base_type(base) {}
~__si_class_type_info() override;
};
}
#endif
#if !HAVE_CXXABI_H_BASE_CLASS_TYPE_INFO
// <https://mentorembedded.github.io/cxx-abi/abi.html>,
// libstdc++-v3/libsupc++/cxxabi.h:
namespace __cxxabiv1 {
struct __base_class_type_info {
__class_type_info
const * __base_type;
#if defined _GLIBCXX_LLP64
long long __offset_flags;
#else
long __offset_flags;
#endif
enum __offset_flags_masks {
__virtual_mask = 0x1,
__public_mask = 0x2,
__offset_shift = 8
};
};
}
#endif
#if !HAVE_CXXABI_H_VMI_CLASS_TYPE_INFO
// <https://mentorembedded.github.io/cxx-abi/abi.html>,
// libstdc++-v3/libsupc++/cxxabi.h:
namespace __cxxabiv1 {
class __vmi_class_type_info:
public __class_type_info {
public:
unsigned int __flags;
unsigned int __base_count;
__base_class_type_info __base_info[1];
enum __flags_masks {
__non_diamond_repeat_mask = 0x1,
__diamond_shaped_mask = 0x2,
__flags_unknown_mask = 0x10
};
explicit __vmi_class_type_info(
char const * n,
int flags):
__class_type_info(n), __flags(flags), __base_count(0) {}
~__vmi_class_type_info() override;
};
}
#endif
#if !HAVE_CXXABI_H_CXA_EXCEPTION
// <https://mentorembedded.github.io/cxx-abi/abi-eh.html>,
// libcxxabi/src/cxa_exception.hpp:
namespace __cxxabiv1 {
struct __cxa_exception {
#if defined _LIBCPPABI_VERSION
// detect libc++abi
#if defined __LP64__ || LIBCXXABI_ARM_EHABI
#if 0
// This is a new field added with LLVM 10
// <https://github.com/llvm/llvm-project/commit/674ec1eb16678b8addc02a4b0534ab383d22fa77>
// "[libcxxabi] Insert padding in __cxa_exception struct for compatibility". The HACK in
// fillUnoException (bridges/source/cpp_uno/gcc3_linux_x86-64/except.cxx) tries to find out at
// runtime whether a __cxa_exception has this member. Once we can be sure that we only run
// against new libcxxabi that has this member, we can drop the "#if 0" here and drop the hack
// in fillUnoException.
// Now _Unwind_Exception is marked with __attribute__((aligned)),
// which implies __cxa_exception is also aligned. Insert padding
// in the beginning of the struct, rather than before unwindHeader.
void *reserve;
#endif
std::size_t referenceCount;
#endif
#endif
std::type_info * exceptionType;
void (* exceptionDestructor)(
void *);
void (*unexpectedHandler)();
// std::unexpected_handler dropped from C++17
std::terminate_handler terminateHandler;
__cxa_exception * nextException;
int handlerCount;
int handlerSwitchValue;
char const * actionRecord;
char const * languageSpecificData;
void * catchTemp;
void * adjustedPtr;
_Unwind_Exception unwindHeader;
};
}
#endif
#if !HAVE_CXXABI_H_CXA_EH_GLOBALS
// <https://mentorembedded.github.io/cxx-abi/abi-eh.html>:
namespace __cxxabiv1 {
struct __cxa_eh_globals {
__cxa_exception * caughtExceptions;
unsigned int uncaughtExceptions;
};
}
#endif
#if !HAVE_CXXABI_H_CXA_GET_GLOBALS
namespace __cxxabiv1 {
extern "C" __cxa_eh_globals * __cxa_get_globals() noexcept;
}
#endif
#if !HAVE_CXXABI_H_CXA_CURRENT_EXCEPTION_TYPE
namespace __cxxabiv1 {
extern "C" std::type_info *__cxa_current_exception_type() noexcept;
}
#endif
#if !HAVE_CXXABI_H_CXA_ALLOCATE_EXCEPTION
namespace __cxxabiv1 {
extern "C" void * __cxa_allocate_exception(std::size_t thrown_size) noexcept;
}
#endif
#if !HAVE_CXXABI_H_CXA_THROW
namespace __cxxabiv1 {
extern "C" void __cxa_throw(
void * thrown_exception,
void * tinfo,
void (* dest)(
void *))
__attribute__((noreturn));
}
#endif
extern "C" void privateSnippetExecutor( ... );
namespace CPPU_CURRENT_NAMESPACE
{
void raiseException(
uno_Any * pUnoExc, uno_Mapping * pUno2Cpp );
void fillUnoException(uno_Any *, uno_Mapping * pCpp2Uno);
}
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