1 /* 2 * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 class decode_env; 26 27 // The disassembler prints out assembly code annotated 28 // with Java specific information. 29 30 class Disassembler { 31 friend class decode_env; 32 private: 33 // this is the type of the dll entry point: 34 typedef void* (*decode_func)(uintptr_t start_va, uintptr_t end_va, 35 unsigned char* buffer, uintptr_t length, 36 void* (*event_callback)(void*, const char*, void*), 37 void* event_stream, 38 int (*printf_callback)(void*, const char*, ...), 39 void* printf_stream, 40 const char* options); 41 // points to the library. 42 static void* _library; 43 // bailout 44 static bool _tried_to_load_library; 45 // points to the decode function. 46 static decode_func _decode_instructions; 47 // tries to load library and return whether it succedded. 48 static bool load_library(); 49 50 // Machine dependent stuff 51 #include "incls/_disassembler_pd.hpp.incl" 52 53 public: 54 static bool can_decode() { 55 return (_decode_instructions != NULL) || load_library(); 56 } 57 static void decode(CodeBlob *cb, outputStream* st = NULL); 58 static void decode(nmethod* nm, outputStream* st = NULL); 59 static void decode(address begin, address end, outputStream* st = NULL); 60 };