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/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef OS_WINDOWS_VM_DECODER_WINDOWS_HPP
#define OS_WINDOWS_VM_DECIDER_WINDOWS_HPP
#include <windows.h>
#include <imagehlp.h>
#include "utilities/decoder.hpp"
// functions needed for decoding symbols
typedef DWORD (WINAPI *pfn_SymSetOptions)(DWORD);
typedef BOOL (WINAPI *pfn_SymInitialize)(HANDLE, PCTSTR, BOOL);
typedef BOOL (WINAPI *pfn_SymGetSymFromAddr64)(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64);
typedef DWORD (WINAPI *pfn_UndecorateSymbolName)(const char*, char*, DWORD, DWORD);
class WindowsDecoder: public NullDecoder {
public:
WindowsDecoder();
~WindowsDecoder() { uninitialize(); };
bool can_decode_C_frame_in_vm() const;
bool demangle(const char* symbol, char *buf, int buflen);
bool decode(address addr, char *buf, int buflen, int* offset, const char* modulepath = NULL);
private:
void initialize();
void uninitialize();
private:
HMODULE _dbghelp_handle;
bool _can_decode_in_vm;
pfn_SymGetSymFromAddr64 _pfnSymGetSymFromAddr64;
pfn_UndecorateSymbolName _pfnUndecorateSymbolName;
};
#endif // OS_WINDOWS_VM_DECODER_WINDOWS_HPP
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