1 /* 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef OS_WINDOWS_VM_DECODER_WINDOWS_HPP 26 #define OS_WINDOWS_VM_DECIDER_WINDOWS_HPP 27 28 #include <windows.h> 29 #include <imagehlp.h> 30 31 #include "utilities/decoder.hpp" 32 33 // functions needed for decoding symbols 34 typedef DWORD (WINAPI *pfn_SymSetOptions)(DWORD); 35 typedef BOOL (WINAPI *pfn_SymInitialize)(HANDLE, PCTSTR, BOOL); 36 typedef BOOL (WINAPI *pfn_SymGetSymFromAddr64)(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64); 37 typedef DWORD (WINAPI *pfn_UndecorateSymbolName)(const char*, char*, DWORD, DWORD); 38 39 class WindowsDecoder: public Decoder { 40 41 public: 42 WindowsDecoder(); 43 ~WindowsDecoder() { uninitialize(); }; 44 45 bool _can_decode_C_frame_in_vm() const; 46 bool _demangle(const char* symbol, char *buf, int buflen); 47 bool _decode(address addr, char *buf, int buflen, int* offset, const char* modulepath = NULL); 48 49 private: 50 void initialize(); 51 void uninitialize(); 52 53 private: 54 HMODULE _dbghelp_handle; 55 bool _can_decode_in_vm; 56 pfn_SymGetSymFromAddr64 _pfnSymGetSymFromAddr64; 57 pfn_UndecorateSymbolName _pfnUndecorateSymbolName; 58 }; 59 60 #endif // OS_WINDOWS_VM_DECODER_WINDOWS_HPP 61