Mercurial > hg > truffle
annotate src/share/vm/compiler/disassembler.cpp @ 1980:828eafbd85cc
6348631: remove the use of the HPI library from Hotspot
Summary: move functions from hpi library to hotspot, communicate with licensees and open source community, check jdk for dependency, file CCC request
Reviewed-by: coleenp, acorn, dsamersoff
author | ikrylov |
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date | Wed, 01 Dec 2010 18:26:32 -0500 |
parents | f95d63e2154a |
children | 4de5f4101cfd |
rev | line source |
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1 /* |
1692 | 2 * Copyright (c) 2008, 2010, 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 #include "precompiled.hpp" |
26 #include "classfile/javaClasses.hpp" | |
27 #include "code/codeCache.hpp" | |
28 #include "compiler/disassembler.hpp" | |
29 #include "gc_interface/collectedHeap.hpp" | |
30 #include "memory/cardTableModRefBS.hpp" | |
31 #include "runtime/fprofiler.hpp" | |
32 #include "runtime/handles.inline.hpp" | |
33 #include "runtime/stubCodeGenerator.hpp" | |
34 #include "runtime/stubRoutines.hpp" | |
35 #ifdef TARGET_ARCH_x86 | |
36 # include "depChecker_x86.hpp" | |
37 #endif | |
38 #ifdef TARGET_ARCH_sparc | |
39 # include "depChecker_sparc.hpp" | |
40 #endif | |
41 #ifdef TARGET_ARCH_zero | |
42 # include "depChecker_zero.hpp" | |
43 #endif | |
44 #ifdef SHARK | |
45 #include "shark/sharkEntry.hpp" | |
46 #endif | |
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47 |
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48 void* Disassembler::_library = NULL; |
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49 bool Disassembler::_tried_to_load_library = false; |
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50 |
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51 // This routine is in the shared library: |
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52 Disassembler::decode_func Disassembler::_decode_instructions = NULL; |
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53 |
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54 static const char hsdis_library_name[] = "hsdis-"HOTSPOT_LIB_ARCH; |
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55 static const char decode_instructions_name[] = "decode_instructions"; |
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56 |
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57 #define COMMENT_COLUMN 40 LP64_ONLY(+8) /*could be an option*/ |
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58 #define BYTES_COMMENT ";..." /* funky byte display comment */ |
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59 |
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60 bool Disassembler::load_library() { |
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61 if (_decode_instructions != NULL) { |
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62 // Already succeeded. |
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63 return true; |
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64 } |
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65 if (_tried_to_load_library) { |
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66 // Do not try twice. |
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67 // To force retry in debugger: assign _tried_to_load_library=0 |
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68 return false; |
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69 } |
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70 // Try to load it. |
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71 char ebuf[1024]; |
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72 char buf[JVM_MAXPATHLEN]; |
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73 os::jvm_path(buf, sizeof(buf)); |
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74 int jvm_offset = -1; |
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75 { |
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76 // Match "jvm[^/]*" in jvm_path. |
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77 const char* base = buf; |
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78 const char* p = strrchr(buf, '/'); |
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79 p = strstr(p ? p : base, "jvm"); |
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80 if (p != NULL) jvm_offset = p - base; |
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81 } |
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82 if (jvm_offset >= 0) { |
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83 // Find the disassembler next to libjvm.so. |
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84 strcpy(&buf[jvm_offset], hsdis_library_name); |
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85 strcat(&buf[jvm_offset], os::dll_file_extension()); |
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86 _library = os::dll_load(buf, ebuf, sizeof ebuf); |
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87 } |
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88 if (_library == NULL) { |
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89 // Try a free-floating lookup. |
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90 strcpy(&buf[0], hsdis_library_name); |
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91 strcat(&buf[0], os::dll_file_extension()); |
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92 _library = os::dll_load(buf, ebuf, sizeof ebuf); |
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93 } |
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94 if (_library != NULL) { |
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95 _decode_instructions = CAST_TO_FN_PTR(Disassembler::decode_func, |
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96 os::dll_lookup(_library, decode_instructions_name)); |
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97 } |
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98 _tried_to_load_library = true; |
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99 if (_decode_instructions == NULL) { |
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100 tty->print_cr("Could not load %s; %s; %s", buf, |
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101 ((_library != NULL) |
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102 ? "entry point is missing" |
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103 : (WizardMode || PrintMiscellaneous) |
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104 ? (const char*)ebuf |
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105 : "library not loadable"), |
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106 "PrintAssembly is disabled"); |
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107 return false; |
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108 } |
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109 |
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110 // Success. |
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111 tty->print_cr("Loaded disassembler from %s", buf); |
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112 return true; |
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113 } |
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114 |
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115 |
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116 class decode_env { |
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117 private: |
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118 nmethod* _nm; |
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119 CodeBlob* _code; |
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120 outputStream* _output; |
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121 address _start, _end; |
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122 |
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123 char _option_buf[512]; |
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124 char _print_raw; |
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125 bool _print_pc; |
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126 bool _print_bytes; |
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127 address _cur_insn; |
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128 int _total_ticks; |
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129 int _bytes_per_line; // arch-specific formatting option |
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130 |
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131 static bool match(const char* event, const char* tag) { |
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132 size_t taglen = strlen(tag); |
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133 if (strncmp(event, tag, taglen) != 0) |
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134 return false; |
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135 char delim = event[taglen]; |
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136 return delim == '\0' || delim == ' ' || delim == '/' || delim == '='; |
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137 } |
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138 |
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139 void collect_options(const char* p) { |
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140 if (p == NULL || p[0] == '\0') return; |
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141 size_t opt_so_far = strlen(_option_buf); |
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142 if (opt_so_far + 1 + strlen(p) + 1 > sizeof(_option_buf)) return; |
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143 char* fillp = &_option_buf[opt_so_far]; |
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144 if (opt_so_far > 0) *fillp++ = ','; |
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145 strcat(fillp, p); |
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146 // replace white space by commas: |
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147 char* q = fillp; |
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148 while ((q = strpbrk(q, " \t\n")) != NULL) |
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149 *q++ = ','; |
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150 // Note that multiple PrintAssemblyOptions flags accumulate with \n, |
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151 // which we want to be changed to a comma... |
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152 } |
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153 |
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154 void print_insn_labels(); |
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155 void print_insn_bytes(address pc0, address pc); |
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156 void print_address(address value); |
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157 |
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158 public: |
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159 decode_env(CodeBlob* code, outputStream* output); |
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160 |
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161 address decode_instructions(address start, address end); |
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162 |
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163 void start_insn(address pc) { |
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|
164 _cur_insn = pc; |
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165 output()->bol(); |
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166 print_insn_labels(); |
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parents:
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|
167 } |
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|
168 |
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169 void end_insn(address pc) { |
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170 address pc0 = cur_insn(); |
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|
171 outputStream* st = output(); |
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172 if (_print_bytes && pc > pc0) |
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173 print_insn_bytes(pc0, pc); |
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174 if (_nm != NULL) { |
100
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175 _nm->print_code_comment_on(st, COMMENT_COLUMN, pc0, pc); |
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176 // this calls reloc_string_for which calls oop::print_value_on |
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177 } |
100
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178 |
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179 // Output pc bucket ticks if we have any |
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180 if (total_ticks() != 0) { |
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181 address bucket_pc = FlatProfiler::bucket_start_for(pc); |
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182 if (bucket_pc != NULL && bucket_pc > pc0 && bucket_pc <= pc) { |
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183 int bucket_count = FlatProfiler::bucket_count_for(pc0); |
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184 if (bucket_count != 0) { |
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185 st->bol(); |
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186 st->print_cr("%3.1f%% [%d]", bucket_count*100.0/total_ticks(), bucket_count); |
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187 } |
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|
188 } |
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189 } |
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parents:
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190 } |
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191 |
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192 address handle_event(const char* event, address arg); |
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193 |
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194 outputStream* output() { return _output; } |
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195 address cur_insn() { return _cur_insn; } |
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196 int total_ticks() { return _total_ticks; } |
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197 void set_total_ticks(int n) { _total_ticks = n; } |
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198 const char* options() { return _option_buf; } |
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199 }; |
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200 |
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201 decode_env::decode_env(CodeBlob* code, outputStream* output) { |
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202 memset(this, 0, sizeof(*this)); |
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203 _output = output ? output : tty; |
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204 _code = code; |
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205 if (code != NULL && code->is_nmethod()) |
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206 _nm = (nmethod*) code; |
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207 |
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208 // by default, output pc but not bytes: |
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209 _print_pc = true; |
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210 _print_bytes = false; |
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211 _bytes_per_line = Disassembler::pd_instruction_alignment(); |
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|
212 |
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|
213 // parse the global option string: |
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|
214 collect_options(Disassembler::pd_cpu_opts()); |
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|
215 collect_options(PrintAssemblyOptions); |
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|
216 |
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changeset
|
217 if (strstr(options(), "hsdis-")) { |
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diff
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|
218 if (strstr(options(), "hsdis-print-raw")) |
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|
219 _print_raw = (strstr(options(), "xml") ? 2 : 1); |
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parents:
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|
220 if (strstr(options(), "hsdis-print-pc")) |
c7c777385a15
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diff
changeset
|
221 _print_pc = !_print_pc; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
222 if (strstr(options(), "hsdis-print-bytes")) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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diff
changeset
|
223 _print_bytes = !_print_bytes; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
224 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
225 if (strstr(options(), "help")) { |
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6667042: PrintAssembly option does not work without special plugin
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changeset
|
226 tty->print_cr("PrintAssemblyOptions help:"); |
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6667042: PrintAssembly option does not work without special plugin
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|
227 tty->print_cr(" hsdis-print-raw test plugin by requesting raw output"); |
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|
228 tty->print_cr(" hsdis-print-raw-xml test plugin by requesting raw xml"); |
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229 tty->print_cr(" hsdis-print-pc turn off PC printing (on by default)"); |
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|
230 tty->print_cr(" hsdis-print-bytes turn on instruction byte output"); |
c7c777385a15
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parents:
diff
changeset
|
231 tty->print_cr("combined options: %s", options()); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
232 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
233 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
234 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
235 address decode_env::handle_event(const char* event, address arg) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
236 if (match(event, "insn")) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
237 start_insn(arg); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
238 } else if (match(event, "/insn")) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
239 end_insn(arg); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
240 } else if (match(event, "addr")) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
241 if (arg != NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
242 print_address(arg); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
243 return arg; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
244 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
245 } else if (match(event, "mach")) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
246 output()->print_cr("[Disassembling for mach='%s']", arg); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
247 } else if (match(event, "format bytes-per-line")) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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changeset
|
248 _bytes_per_line = (int) (intptr_t) arg; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
249 } else { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
250 // ignore unrecognized markup |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
251 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
252 return NULL; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
253 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
254 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
255 // called by the disassembler to print out jump targets and data addresses |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
256 void decode_env::print_address(address adr) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
257 outputStream* st = _output; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
258 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
259 if (adr == NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
260 st->print("NULL"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
261 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
262 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
263 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
264 int small_num = (int)(intptr_t)adr; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
265 if ((intptr_t)adr == (intptr_t)small_num |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
266 && -1 <= small_num && small_num <= 9) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
267 st->print("%d", small_num); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
268 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
269 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
270 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
271 if (Universe::is_fully_initialized()) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
272 if (StubRoutines::contains(adr)) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
273 StubCodeDesc* desc = StubCodeDesc::desc_for(adr); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
274 if (desc == NULL) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
275 desc = StubCodeDesc::desc_for(adr + frame::pc_return_offset); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
276 if (desc != NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
277 st->print("Stub::%s", desc->name()); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
278 if (desc->begin() != adr) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
279 st->print("%+d 0x%p",adr - desc->begin(), adr); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
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parents:
diff
changeset
|
280 else if (WizardMode) st->print(" " INTPTR_FORMAT, adr); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
281 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
282 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
283 st->print("Stub::<unknown> " INTPTR_FORMAT, adr); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
284 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
285 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
286 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
287 BarrierSet* bs = Universe::heap()->barrier_set(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
288 if (bs->kind() == BarrierSet::CardTableModRef && |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
289 adr == (address)((CardTableModRefBS*)(bs))->byte_map_base) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
290 st->print("word_map_base"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
291 if (WizardMode) st->print(" " INTPTR_FORMAT, (intptr_t)adr); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
292 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
293 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
294 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
295 oop obj; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
296 if (_nm != NULL |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
297 && (obj = _nm->embeddedOop_at(cur_insn())) != NULL |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
298 && (address) obj == adr |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
299 && Universe::heap()->is_in(obj) |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
300 && Universe::heap()->is_in(obj->klass())) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
301 julong c = st->count(); |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
302 obj->print_value_on(st); |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
303 if (st->count() == c) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
304 // No output. (Can happen in product builds.) |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
305 st->print("(a %s)", Klass::cast(obj->klass())->external_name()); |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
306 } |
100
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307 return; |
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308 } |
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309 } |
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310 |
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311 // Fall through to a simple numeral. |
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312 st->print(INTPTR_FORMAT, (intptr_t)adr); |
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313 } |
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314 |
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315 void decode_env::print_insn_labels() { |
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316 address p = cur_insn(); |
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317 outputStream* st = output(); |
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318 CodeBlob* cb = _code; |
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319 if (cb != NULL) { |
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320 cb->print_block_comment(st, p); |
100
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321 } |
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322 if (_print_pc) { |
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323 st->print(" " INTPTR_FORMAT ": ", (intptr_t) p); |
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324 } |
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325 } |
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326 |
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327 void decode_env::print_insn_bytes(address pc, address pc_limit) { |
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328 outputStream* st = output(); |
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329 size_t incr = 1; |
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330 size_t perline = _bytes_per_line; |
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331 if ((size_t) Disassembler::pd_instruction_alignment() >= sizeof(int) |
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332 && !((uintptr_t)pc % sizeof(int)) |
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333 && !((uintptr_t)pc_limit % sizeof(int))) { |
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334 incr = sizeof(int); |
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335 if (perline % incr) perline += incr - (perline % incr); |
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336 } |
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337 while (pc < pc_limit) { |
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338 // tab to the desired column: |
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339 st->move_to(COMMENT_COLUMN); |
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340 address pc0 = pc; |
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341 address pc1 = pc + perline; |
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342 if (pc1 > pc_limit) pc1 = pc_limit; |
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343 for (; pc < pc1; pc += incr) { |
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344 if (pc == pc0) |
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345 st->print(BYTES_COMMENT); |
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346 else if ((uint)(pc - pc0) % sizeof(int) == 0) |
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347 st->print(" "); // put out a space on word boundaries |
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348 if (incr == sizeof(int)) |
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349 st->print("%08lx", *(int*)pc); |
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350 else st->print("%02x", (*pc)&0xFF); |
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351 } |
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352 st->cr(); |
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353 } |
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354 } |
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355 |
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356 |
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357 static void* event_to_env(void* env_pv, const char* event, void* arg) { |
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358 decode_env* env = (decode_env*) env_pv; |
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359 return env->handle_event(event, (address) arg); |
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360 } |
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361 |
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362 static int printf_to_env(void* env_pv, const char* format, ...) { |
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363 decode_env* env = (decode_env*) env_pv; |
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364 outputStream* st = env->output(); |
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365 size_t flen = strlen(format); |
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366 const char* raw = NULL; |
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367 if (flen == 0) return 0; |
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368 if (flen == 1 && format[0] == '\n') { st->bol(); return 1; } |
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369 if (flen < 2 || |
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370 strchr(format, '%') == NULL) { |
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371 raw = format; |
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372 } else if (format[0] == '%' && format[1] == '%' && |
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373 strchr(format+2, '%') == NULL) { |
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374 // happens a lot on machines with names like %foo |
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375 flen--; |
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376 raw = format+1; |
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377 } |
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378 if (raw != NULL) { |
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379 st->print_raw(raw, (int) flen); |
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380 return (int) flen; |
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381 } |
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382 va_list ap; |
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383 va_start(ap, format); |
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384 julong cnt0 = st->count(); |
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385 st->vprint(format, ap); |
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386 julong cnt1 = st->count(); |
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387 va_end(ap); |
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388 return (int)(cnt1 - cnt0); |
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389 } |
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390 |
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391 address decode_env::decode_instructions(address start, address end) { |
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392 _start = start; _end = end; |
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393 |
1681
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394 assert(((((intptr_t)start | (intptr_t)end) % Disassembler::pd_instruction_alignment()) == 0), "misaligned insn addr"); |
100
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395 |
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396 const int show_bytes = false; // for disassembler debugging |
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397 |
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398 //_version = Disassembler::pd_cpu_version(); |
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399 |
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400 if (!Disassembler::can_decode()) { |
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401 return NULL; |
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|
402 } |
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|
403 |
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404 // decode a series of instructions and return the end of the last instruction |
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405 |
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406 if (_print_raw) { |
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407 // Print whatever the library wants to print, w/o fancy callbacks. |
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408 // This is mainly for debugging the library itself. |
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409 FILE* out = stdout; |
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410 FILE* xmlout = (_print_raw > 1 ? out : NULL); |
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|
411 return (address) |
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|
412 (*Disassembler::_decode_instructions)(start, end, |
c7c777385a15
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413 NULL, (void*) xmlout, |
c7c777385a15
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414 NULL, (void*) out, |
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|
415 options()); |
c7c777385a15
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|
416 } |
c7c777385a15
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|
417 |
c7c777385a15
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|
418 return (address) |
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419 (*Disassembler::_decode_instructions)(start, end, |
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420 &event_to_env, (void*) this, |
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421 &printf_to_env, (void*) this, |
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|
422 options()); |
c7c777385a15
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|
423 } |
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|
424 |
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|
425 |
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426 void Disassembler::decode(CodeBlob* cb, outputStream* st) { |
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427 if (!load_library()) return; |
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428 decode_env env(cb, st); |
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429 env.output()->print_cr("Decoding CodeBlob " INTPTR_FORMAT, cb); |
1748 | 430 env.decode_instructions(cb->code_begin(), cb->code_end()); |
100
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431 } |
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|
432 |
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|
433 |
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434 void Disassembler::decode(address start, address end, outputStream* st) { |
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|
435 if (!load_library()) return; |
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|
436 decode_env env(CodeCache::find_blob_unsafe(start), st); |
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|
437 env.decode_instructions(start, end); |
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|
438 } |
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|
439 |
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|
440 void Disassembler::decode(nmethod* nm, outputStream* st) { |
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441 if (!load_library()) return; |
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|
442 decode_env env(nm, st); |
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443 env.output()->print_cr("Decoding compiled method " INTPTR_FORMAT ":", nm); |
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444 env.output()->print_cr("Code:"); |
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|
445 |
1692 | 446 #ifdef SHARK |
1748 | 447 SharkEntry* entry = (SharkEntry *) nm->code_begin(); |
448 unsigned char* p = entry->code_start(); | |
1692 | 449 unsigned char* end = entry->code_limit(); |
450 #else | |
1748 | 451 unsigned char* p = nm->code_begin(); |
452 unsigned char* end = nm->code_end(); | |
1692 | 453 #endif // SHARK |
100
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|
454 |
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|
455 // If there has been profiling, print the buckets. |
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456 if (FlatProfiler::bucket_start_for(p) != NULL) { |
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|
457 unsigned char* p1 = p; |
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|
458 int total_bucket_count = 0; |
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|
459 while (p1 < end) { |
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|
460 unsigned char* p0 = p1; |
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|
461 p1 += pd_instruction_alignment(); |
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462 address bucket_pc = FlatProfiler::bucket_start_for(p1); |
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463 if (bucket_pc != NULL && bucket_pc > p0 && bucket_pc <= p1) |
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464 total_bucket_count += FlatProfiler::bucket_count_for(p0); |
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465 } |
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466 env.set_total_ticks(total_bucket_count); |
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467 } |
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468 |
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469 env.decode_instructions(p, end); |
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470 } |