1 /* 2 * Copyright (c) 2008, 2014, 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 SHARE_VM_COMPILER_DISASSEMBLER_HPP 26 #define SHARE_VM_COMPILER_DISASSEMBLER_HPP 27 28 #include "asm/codeBuffer.hpp" 29 #include "runtime/globals.hpp" 30 31 class decode_env; 32 33 // The disassembler prints out assembly code annotated 34 // with Java specific information. 35 36 class Disassembler { 37 friend class decode_env; 38 private: 39 // this is the type of the dll entry point: 40 typedef void* (*decode_func_virtual)(uintptr_t start_va, uintptr_t end_va, 41 unsigned char* buffer, uintptr_t length, 42 void* (*event_callback)(void*, const char*, void*), 43 void* event_stream, 44 int (*printf_callback)(void*, const char*, ...), 45 void* printf_stream, 46 const char* options, 47 int newline); 48 // this is the type of the dll entry point for old version: 49 typedef void* (*decode_func)(void* start_va, void* end_va, 50 void* (*event_callback)(void*, const char*, void*), 51 void* event_stream, 52 int (*printf_callback)(void*, const char*, ...), 53 void* printf_stream, 54 const char* options); 55 // points to the library. 56 static void* _library; 57 // bailout 58 static bool _tried_to_load_library; 59 // points to the decode function. 60 static decode_func_virtual _decode_instructions_virtual; 61 static decode_func _decode_instructions; 62 // tries to load library and return whether it succedded. 63 static bool load_library(); 64 65 // Machine dependent stuff 66 #ifdef TARGET_ARCH_x86 67 # include "disassembler_x86.hpp" 68 #endif 69 #ifdef TARGET_ARCH_sparc 70 # include "disassembler_sparc.hpp" 71 #endif 72 #ifdef TARGET_ARCH_zero 73 # include "disassembler_zero.hpp" 74 #endif 75 #ifdef TARGET_ARCH_arm 76 # include "disassembler_arm.hpp" 77 #endif 78 #ifdef TARGET_ARCH_ppc 79 # include "disassembler_ppc.hpp" 80 #endif 81 #ifdef TARGET_ARCH_aarch64 82 # include "disassembler_aarch64.hpp" 83 #endif 84 85 86 public: 87 static bool can_decode() { 88 return (_decode_instructions_virtual != NULL) || 89 (_decode_instructions != NULL) || 90 load_library(); 91 } 92 static void decode(CodeBlob *cb, outputStream* st = NULL); 93 static void decode(nmethod* nm, outputStream* st = NULL); 94 static void decode(address begin, address end, outputStream* st = NULL, CodeStrings c = CodeStrings()); 95 }; 96 97 #endif // SHARE_VM_COMPILER_DISASSEMBLER_HPP