Mercurial > hg > truffle
annotate src/share/vm/compiler/disassembler.hpp @ 14714:b602356a9cfc
additional canonicalizers for accesses and value nodes (improves number of implicit null checks)
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Thu, 20 Mar 2014 17:15:36 +0100 |
parents | abec000618bf |
children | 4ca6dc0799b6 |
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1 /* |
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2 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
1972 | 25 #ifndef SHARE_VM_COMPILER_DISASSEMBLER_HPP |
26 #define SHARE_VM_COMPILER_DISASSEMBLER_HPP | |
27 | |
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28 #include "asm/codeBuffer.hpp" |
1972 | 29 #include "runtime/globals.hpp" |
30 #ifdef TARGET_OS_FAMILY_linux | |
31 # include "os_linux.inline.hpp" | |
32 #endif | |
33 #ifdef TARGET_OS_FAMILY_solaris | |
34 # include "os_solaris.inline.hpp" | |
35 #endif | |
36 #ifdef TARGET_OS_FAMILY_windows | |
37 # include "os_windows.inline.hpp" | |
38 #endif | |
14411 | 39 #ifdef TARGET_OS_FAMILY_aix |
40 # include "os_aix.inline.hpp" | |
41 #endif | |
3960 | 42 #ifdef TARGET_OS_FAMILY_bsd |
43 # include "os_bsd.inline.hpp" | |
44 #endif | |
1972 | 45 |
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46 class decode_env; |
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47 |
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48 // The disassembler prints out assembly code annotated |
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49 // with Java specific information. |
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50 |
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51 class Disassembler { |
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52 friend class decode_env; |
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53 private: |
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54 // this is the type of the dll entry point: |
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55 typedef void* (*decode_func_virtual)(uintptr_t start_va, uintptr_t end_va, |
6782 | 56 unsigned char* buffer, uintptr_t length, |
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57 void* (*event_callback)(void*, const char*, void*), |
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58 void* event_stream, |
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59 int (*printf_callback)(void*, const char*, ...), |
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60 void* printf_stream, |
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61 const char* options, |
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62 int newline); |
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63 // this is the type of the dll entry point for old version: |
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64 typedef void* (*decode_func)(void* start_va, void* end_va, |
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65 void* (*event_callback)(void*, const char*, void*), |
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66 void* event_stream, |
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67 int (*printf_callback)(void*, const char*, ...), |
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68 void* printf_stream, |
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69 const char* options); |
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70 // points to the library. |
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71 static void* _library; |
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72 // bailout |
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73 static bool _tried_to_load_library; |
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74 // points to the decode function. |
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75 static decode_func_virtual _decode_instructions_virtual; |
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76 static decode_func _decode_instructions; |
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77 // tries to load library and return whether it succedded. |
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78 static bool load_library(); |
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79 |
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80 // Machine dependent stuff |
1972 | 81 #ifdef TARGET_ARCH_x86 |
82 # include "disassembler_x86.hpp" | |
83 #endif | |
84 #ifdef TARGET_ARCH_sparc | |
85 # include "disassembler_sparc.hpp" | |
86 #endif | |
87 #ifdef TARGET_ARCH_zero | |
88 # include "disassembler_zero.hpp" | |
89 #endif | |
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90 #ifdef TARGET_ARCH_arm |
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91 # include "disassembler_arm.hpp" |
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92 #endif |
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93 #ifdef TARGET_ARCH_ppc |
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94 # include "disassembler_ppc.hpp" |
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95 #endif |
1972 | 96 |
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97 |
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98 public: |
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99 static bool can_decode() { |
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100 return (_decode_instructions_virtual != NULL) || |
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101 (_decode_instructions != NULL) || |
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102 load_library(); |
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103 } |
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104 static void decode(CodeBlob *cb, outputStream* st = NULL); |
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105 static void decode(nmethod* nm, outputStream* st = NULL); |
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106 static void decode(address begin, address end, outputStream* st = NULL, CodeStrings c = CodeStrings()); |
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107 }; |
1972 | 108 |
109 #endif // SHARE_VM_COMPILER_DISASSEMBLER_HPP |