diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_aarch64/abi.hxx')
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_aarch64/abi.hxx | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_aarch64/abi.hxx b/bridges/source/cpp_uno/gcc3_linux_aarch64/abi.hxx new file mode 100644 index 000000000..10495582d --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_aarch64/abi.hxx @@ -0,0 +1,157 @@ +/* -*- 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 . + */ + +#pragma once + +#include <sal/config.h> + +#include <cstddef> +#include <exception> +#include <typeinfo> + +#include <cxxabi.h> +#ifndef _GLIBCXX_CDTOR_CALLABI // new in GCC 4.7 cxxabi.h +#define _GLIBCXX_CDTOR_CALLABI +#endif +#include <unwind.h> + +#include <config_cxxabi.h> +#include <typelib/typedescription.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_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 +#ifdef MACOSX // on arm64 + // 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". For non-MACOSX, + // the HACK in call (bridges/source/cpp_uno/gcc3_linux_aarch64/uno2cpp.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 "#ifdef MACOSX" here and drop the + // hack in call. + + // 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() throw(); +} +#endif + +#if !HAVE_CXXABI_H_CXA_ALLOCATE_EXCEPTION +namespace __cxxabiv1 { +extern "C" void * __cxa_allocate_exception(std::size_t thrown_size) throw(); +} +#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 + +namespace abi_aarch64 { + +void mapException( + __cxxabiv1::__cxa_exception * exception, std::type_info const * type, uno_Any * any, uno_Mapping * mapping); + +void raiseException(uno_Any * any, uno_Mapping * mapping); + +enum ReturnKind { + RETURN_KIND_REG, RETURN_KIND_HFA_FLOAT, RETURN_KIND_HFA_DOUBLE, + RETURN_KIND_INDIRECT }; + +ReturnKind getReturnKind(typelib_TypeDescription const * type); + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |