disassembler.hpp revision 1472:c18cbe5936b8
1/* 2 * Copyright (c) 2008, 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 25class decode_env; 26 27// The disassembler prints out assembly code annotated 28// with Java specific information. 29 30class Disassembler { 31 friend class decode_env; 32 private: 33 // this is the type of the dll entry point: 34 typedef void* (*decode_func)(void* start, void* end, 35 void* (*event_callback)(void*, const char*, void*), 36 void* event_stream, 37 int (*printf_callback)(void*, const char*, ...), 38 void* printf_stream, 39 const char* options); 40 // points to the library. 41 static void* _library; 42 // bailout 43 static bool _tried_to_load_library; 44 // points to the decode function. 45 static decode_func _decode_instructions; 46 // tries to load library and return whether it succedded. 47 static bool load_library(); 48 49 // Machine dependent stuff 50 #include "incls/_disassembler_pd.hpp.incl" 51 52 public: 53 static bool can_decode() { 54 return (_decode_instructions != NULL) || load_library(); 55 } 56 static void decode(CodeBlob *cb, outputStream* st = NULL); 57 static void decode(nmethod* nm, outputStream* st = NULL); 58 static void decode(address begin, address end, outputStream* st = NULL); 59}; 60