bridges/source/cpp_uno/gcc3_linux_arm/share.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #pragma once
  20 #include <sal/config.h>
  21
  22 #include <typeinfo>
  23 #include <exception>
  24 #include <cstddef>
  25 #include <unwind.h>
  26
  27 #include <cxxabi.h>
  28 #ifndef _GLIBCXX_CDTOR_CALLABI // new in GCC 4.7 cxxabi.h
  29 #define _GLIBCXX_CDTOR_CALLABI
  30 #endif
  31
  32 #include <config_cxxabi.h>
  33 #include <uno/mapping.h>
  34
  35 #if !HAVE_CXXABI_H_CLASS_TYPE_INFO
  36 // <https://mentorembedded.github.io/cxx-abi/abi.html>,
  37 // libstdc++-v3/libsupc++/cxxabi.h:
  38 namespace __cxxabiv1 {
  39 class __class_type_info: public std::type_info {
  40 public:
  41     explicit __class_type_info(char const * n): type_info(n) {}
  42     ~__class_type_info() override;
  43 };
  44 }
  45 #endif
  46
  47 #if !HAVE_CXXABI_H_SI_CLASS_TYPE_INFO
  48 // <https://mentorembedded.github.io/cxx-abi/abi.html>,
  49 // libstdc++-v3/libsupc++/cxxabi.h:
  50 namespace __cxxabiv1 {
  51 class __si_class_type_info: public __class_type_info {
  52 public:
  53     __class_type_info const * __base_type;
  54     explicit __si_class_type_info(
  55         char const * n, __class_type_info const *base):
  56         __class_type_info(n), __base_type(base) {}
  57     ~__si_class_type_info() override;
  58 };
  59 }
  60 #endif
  61
  62 #if !HAVE_CXXABI_H_CXA_EXCEPTION
  63 namespace __cxxabiv1 {
  64     struct __cxa_exception
  65     {
  66 #if defined _LIBCPPABI_VERSION // detect libc++abi
  67 #if defined __LP64__ || defined __ARM_EABI__
  68         // Quoting android-ndk-r18b/sources/cxx-stl/llvm-libc++abi/src/cxa_exception.hpp: "This is a
  69         // new field to support C++ 0x exception_ptr. For binary compatibility it is at the start of
  70         // this struct which is prepended to the object thrown in __cxa_allocate_exception."
  71         std::size_t referenceCount;
  72 #endif
  73 #endif
  74
  75         std::type_info *exceptionType;
  76         void (*exceptionDestructor)(void *);
  77
  78         void (*unexpectedHandler)(); // std::unexpected_handler dropped from C++17
  79         std::terminate_handler terminateHandler;
  80
  81         __cxa_exception *nextException;
  82
  83         int handlerCount;
  84 #ifdef __ARM_EABI__
  85         __cxa_exception *nextPropagatingException;
  86         int propagationCount;
  87 #else
  88         int handlerSwitchValue;
  89         const unsigned char *actionRecord;
  90         const unsigned char *languageSpecificData;
  91         void *catchTemp;
  92         void *adjustedPtr;
  93 #endif
  94         _Unwind_Exception unwindHeader;
  95     };
  96
  97 }
  98 #endif
  99
 100 namespace CPPU_CURRENT_NAMESPACE
 101 {
 102
 103     void dummy_can_throw_anything( char const * );
 104
 105     // -- following decl from libstdc++-v3/libsupc++/unwind-cxx.h and unwind.h
 106
 107 #if !HAVE_CXXABI_H_CXA_ALLOCATE_EXCEPTION
 108     extern "C" void *__cxa_allocate_exception(
 109         std::size_t thrown_size ) throw();
 110 #endif
 111 #if !HAVE_CXXABI_H_CXA_THROW
 112     extern "C" void __cxa_throw (
 113         void *thrown_exception, std::type_info *tinfo,
 114         void (*dest) (void *) ) __attribute__((noreturn));
 115 #endif
 116
 117 }
 118
 119 #if !HAVE_CXXABI_H_CXA_EH_GLOBALS
 120 namespace __cxxabiv1 {
 121     struct __cxa_eh_globals
 122     {
 123         __cxa_exception *caughtExceptions;
 124         unsigned int uncaughtExceptions;
 125 #ifdef __ARM_EABI__
 126     __cxa_exception *propagatingExceptions;
 127 #endif
 128     };
 129 }
 130 #endif
 131
 132 #if !HAVE_CXXABI_H_CXA_GET_GLOBALS
 133 namespace __cxxabiv1 {
 134     extern "C" __cxa_eh_globals * __cxa_get_globals() throw();
 135 }
 136 #endif
 137
 138 #if !HAVE_CXXABI_H_CXA_CURRENT_EXCEPTION_TYPE
 139 namespace __cxxabiv1 {
 140     extern "C" std::type_info *__cxa_current_exception_type() throw();
 141 }
 142 #endif
 143
 144 namespace CPPU_CURRENT_NAMESPACE
 145 {
 146     void raiseException(
 147         uno_Any * pUnoExc, uno_Mapping * pUno2Cpp );
 148     void fillUnoException(uno_Any *, uno_Mapping * pCpp2Uno);
 149 }
 150
 151 extern "C" void privateSnippetExecutor();
 152
 153 namespace arm
 154 {
 155     enum armlimits { MAX_GPR_REGS = 4, MAX_FPR_REGS = 8 };
 156     bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef );
 157 }
 158
 159 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */