LibreOffice Module bridges (master) 1
msvc/except.hxx
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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
20#pragma once
21
22#define WIN32_LEAN_AND_MEAN
23#include <windows.h>
24
25#include <sal/config.h>
26#include <rtl/ustrbuf.hxx>
27#include <osl/mutex.hxx>
28
29#include <unordered_map>
30
31typedef struct _uno_Any uno_Any;
32typedef struct _uno_Mapping uno_Mapping;
33
34int msvc_filterCppException(EXCEPTION_POINTERS*, uno_Any*, uno_Mapping*);
36
37constexpr DWORD MSVC_EH_MAGIC_PARAM = 0x19930520;
38// The NT Exception code that msvcrt uses ('msc' | 0xE0000000)
39constexpr DWORD MSVC_EH_MAGIC_CODE = 0xE06D7363;
40
41#if defined(_M_IX86)
42#define MSVC_EH_PARAMETERS 3 // Number of parameters in exception record for x86
43#elif defined(_M_AMD64) || defined(_M_ARM64)
44#define MSVC_EH_PARAMETERS 4 // Number of parameters in exception record for AMD64
45#else
46#error "Unsupported machine type"
47#endif
48
49class type_info;
50struct RaiseInfo;
51typedef std::unordered_map<OUString, void*> t_string2PtrMap;
52typedef struct _typelib_TypeDescription typelib_TypeDescription;
53
54// fixed class, because sizeof(ExceptionTypeInfo) must be sizeof(type_info)
55// this is tested by a static_assert, so can't break.
57{
58 friend int msvc_filterCppException(EXCEPTION_POINTERS*, uno_Any*, uno_Mapping*);
59
60 void* m_data;
61 char m_d_name[1];
62
63public:
64 explicit ExceptionTypeInfo(void* data, const char* d_name) noexcept
65 : m_data(data)
66 {
67 ::strcpy(m_d_name, d_name); // #100211# - checked
68 }
69 virtual ~ExceptionTypeInfo() noexcept;
70};
71
73{
76
77public:
78 explicit ExceptionTypeInfoWrapper(void* m_data, const char* m_d_name) noexcept
79 : info(m_data, m_d_name)
80 {
81 type_info_size = sizeof(ExceptionTypeInfo) + strlen(m_d_name);
82 }
83
84 type_info* get_type_info() { return reinterpret_cast<type_info*>(&info); }
85 int get_type_info_size() { return type_info_size; }
86};
87
88class RTTInfos final
89{
90 osl::Mutex m_aMutex;
92
93 RTTInfos() noexcept;
94 ExceptionTypeInfoWrapper* getInfo(OUString const& rUNOname) noexcept;
95
96public:
98
99 static type_info* get(OUString const& rUNOname, int* len = nullptr) noexcept;
100};
101
102class ExceptionInfos final
103{
104 osl::Mutex m_aMutex;
106
107public:
108 static RaiseInfo* getRaiseInfo(typelib_TypeDescription* pTD) noexcept;
109
111
112 ExceptionInfos() noexcept;
113 ~ExceptionInfos() noexcept;
114};
115
116/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
static DWORD allocationGranularity
osl::Mutex m_aMutex
t_string2PtrMap m_allRaiseInfos
type_info * get_type_info()
Definition: msvc/except.hxx:84
ExceptionTypeInfo info
Definition: msvc/except.hxx:75
ExceptionTypeInfoWrapper(void *m_data, const char *m_d_name) noexcept
Definition: msvc/except.hxx:78
virtual ~ExceptionTypeInfo() noexcept
friend int msvc_filterCppException(EXCEPTION_POINTERS *, uno_Any *, uno_Mapping *)
ExceptionTypeInfo(void *data, const char *d_name) noexcept
Definition: msvc/except.hxx:64
t_string2PtrMap m_allRTTI
Definition: msvc/except.hxx:91
osl::Mutex m_aMutex
Definition: msvc/except.hxx:90
struct _uno_Mapping uno_Mapping
Definition: msvc/except.hxx:32
std::unordered_map< OUString, void * > t_string2PtrMap
Definition: msvc/except.hxx:50
struct _typelib_TypeDescription typelib_TypeDescription
Definition: msvc/except.hxx:52
constexpr DWORD MSVC_EH_MAGIC_PARAM
Definition: msvc/except.hxx:37
constexpr DWORD MSVC_EH_MAGIC_CODE
Definition: msvc/except.hxx:39
int msvc_filterCppException(EXCEPTION_POINTERS *, uno_Any *, uno_Mapping *)
struct _uno_Any uno_Any
Definition: msvc/except.hxx:31
void msvc_raiseException(uno_Any *, uno_Mapping *)