109 lines
4.3 KiB
C++
109 lines
4.3 KiB
C++
/*
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* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef OS_WINDOWS_VM_DECODER_WINDOWS_HPP
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#define OS_WINDOWS_VM_DECIDER_WINDOWS_HPP
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#include <windows.h>
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#include <imagehlp.h>
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#include "utilities/decoder.hpp"
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// functions needed for decoding symbols
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typedef DWORD (WINAPI *pfn_SymSetOptions)(DWORD);
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typedef BOOL (WINAPI *pfn_SymInitialize)(HANDLE, PCTSTR, BOOL);
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typedef BOOL (WINAPI *pfn_SymGetSymFromAddr64)(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64);
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typedef DWORD (WINAPI *pfn_UndecorateSymbolName)(const char*, char*, DWORD, DWORD);
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typedef BOOL (WINAPI *pfn_SymSetSearchPath)(HANDLE, PCTSTR);
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typedef BOOL (WINAPI *pfn_SymGetSearchPath)(HANDLE, PTSTR, int);
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#ifdef AMD64
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typedef BOOL (WINAPI *pfn_StackWalk64)(DWORD MachineType,
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HANDLE hProcess,
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HANDLE hThread,
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LPSTACKFRAME64 StackFrame,
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PVOID ContextRecord,
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PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine,
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PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
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PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
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PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress);
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typedef PVOID (WINAPI *pfn_SymFunctionTableAccess64)(HANDLE hProcess, DWORD64 AddrBase);
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typedef DWORD64 (WINAPI *pfn_SymGetModuleBase64)(HANDLE hProcess, DWORD64 dwAddr);
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#endif
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class WindowsDecoder : public AbstractDecoder {
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public:
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WindowsDecoder();
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~WindowsDecoder() { uninitialize(); };
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bool can_decode_C_frame_in_vm() const;
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bool demangle(const char* symbol, char *buf, int buflen);
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bool decode(address addr, char *buf, int buflen, int* offset, const char* modulepath = NULL);
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bool decode(address addr, char *buf, int buflen, int* offset, const void* base) {
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ShouldNotReachHere();
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return false;
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}
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private:
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void initialize();
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void uninitialize();
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private:
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HMODULE _dbghelp_handle;
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bool _can_decode_in_vm;
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pfn_SymGetSymFromAddr64 _pfnSymGetSymFromAddr64;
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pfn_UndecorateSymbolName _pfnUndecorateSymbolName;
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#ifdef AMD64
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pfn_StackWalk64 _pfnStackWalk64;
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pfn_SymFunctionTableAccess64 _pfnSymFunctionTableAccess64;
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pfn_SymGetModuleBase64 _pfnSymGetModuleBase64;
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friend class WindowsDbgHelp;
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#endif
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};
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#ifdef AMD64
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// TODO: refactor and move the handling of dbghelp.dll outside of Decoder
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class WindowsDbgHelp : public Decoder {
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public:
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static BOOL StackWalk64(DWORD MachineType,
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HANDLE hProcess,
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HANDLE hThread,
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LPSTACKFRAME64 StackFrame,
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PVOID ContextRecord,
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PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine,
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PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
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PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
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PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress);
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static PVOID SymFunctionTableAccess64(HANDLE hProcess, DWORD64 AddrBase);
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static pfn_SymFunctionTableAccess64 pfnSymFunctionTableAccess64();
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static pfn_SymGetModuleBase64 pfnSymGetModuleBase64();
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};
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#endif
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#endif // OS_WINDOWS_VM_DECODER_WINDOWS_HPP
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