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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef Win64ModuleUnwindMetadata_h
#define Win64ModuleUnwindMetadata_h
#if XP_WIN && HAVE_64BIT_BUILD
# include <functional>
# include <map>
# include <string>
# include <windows.h>
# include <winnt.h>
# include <imagehlp.h>
namespace CrashReporter {
struct UnwindCFI {
uint32_t beginAddress;
uint32_t size;
uint32_t stackSize;
uint32_t ripOffset;
};
// Does lazy-parsing of unwind info.
class ModuleUnwindParser {
PLOADED_IMAGE mImg;
std::string mPath;
// Maps begin address to exception record.
// Populated upon construction.
std::map<DWORD, PIMAGE_RUNTIME_FUNCTION_ENTRY> mUnwindMap;
// Maps begin address to CFI.
// Populated as needed.
std::map<DWORD, UnwindCFI> mCFIMap;
bool GenerateCFIForFunction(IMAGE_RUNTIME_FUNCTION_ENTRY& aFunc,
UnwindCFI& aRet);
void* RvaToVa(ULONG aRva);
public:
explicit ModuleUnwindParser(const std::string& aPath);
~ModuleUnwindParser();
bool GetCFI(DWORD aAddress, UnwindCFI& aRet);
DWORD GetAnyOffsetAddr() const;
};
} // namespace CrashReporter
#endif // XP_WIN && HAVE_64BIT_BUILD
#endif // Win64ModuleUnwindMetadata_h
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