56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef Win64ModuleUnwindMetadata_h
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#define Win64ModuleUnwindMetadata_h
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#if XP_WIN && HAVE_64BIT_BUILD
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# include <functional>
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# include <map>
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# include <string>
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# include <windows.h>
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# include <winnt.h>
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# include <imagehlp.h>
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namespace CrashReporter {
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struct UnwindCFI {
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uint32_t beginAddress;
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uint32_t size;
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uint32_t stackSize;
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uint32_t ripOffset;
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};
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// Does lazy-parsing of unwind info.
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class ModuleUnwindParser {
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PLOADED_IMAGE mImg;
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std::string mPath;
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// Maps begin address to exception record.
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// Populated upon construction.
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std::map<DWORD, PIMAGE_RUNTIME_FUNCTION_ENTRY> mUnwindMap;
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// Maps begin address to CFI.
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// Populated as needed.
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std::map<DWORD, UnwindCFI> mCFIMap;
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bool GenerateCFIForFunction(IMAGE_RUNTIME_FUNCTION_ENTRY& aFunc,
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UnwindCFI& aRet);
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void* RvaToVa(ULONG aRva);
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public:
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explicit ModuleUnwindParser(const std::string& aPath);
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~ModuleUnwindParser();
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bool GetCFI(DWORD aAddress, UnwindCFI& aRet);
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DWORD GetAnyOffsetAddr() const;
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};
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} // namespace CrashReporter
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#endif // XP_WIN && HAVE_64BIT_BUILD
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#endif // Win64ModuleUnwindMetadata_h
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