Mercurial > hg > truffle
annotate src/share/vm/compiler/disassembler.cpp @ 6782:5a98bf7d847b
6879063: SA should use hsdis for disassembly
Summary: We should in SA to use hsdis for it like the JVM does to replace the current java based disassembler.
Reviewed-by: twisti, jrose, sla
Contributed-by: yumin.qi@oracle.com
author | minqi |
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date | Mon, 24 Sep 2012 12:44:00 -0700 |
parents | 3e23978ea0c3 |
children | f2e12eb74117 |
rev | line source |
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1 /* |
6782 | 2 * Copyright (c) 2008, 2012, 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 | |
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44 #ifdef TARGET_ARCH_arm |
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45 # include "depChecker_arm.hpp" |
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46 #endif |
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47 #ifdef TARGET_ARCH_ppc |
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48 # include "depChecker_ppc.hpp" |
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49 #endif |
1972 | 50 #ifdef SHARK |
51 #include "shark/sharkEntry.hpp" | |
52 #endif | |
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53 |
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54 void* Disassembler::_library = NULL; |
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55 bool Disassembler::_tried_to_load_library = false; |
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56 |
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57 // This routine is in the shared library: |
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58 Disassembler::decode_func Disassembler::_decode_instructions = NULL; |
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59 |
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60 static const char hsdis_library_name[] = "hsdis-"HOTSPOT_LIB_ARCH; |
6782 | 61 static const char decode_instructions_name[] = "decode_instructions_virtual"; |
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62 |
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63 #define COMMENT_COLUMN 40 LP64_ONLY(+8) /*could be an option*/ |
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64 #define BYTES_COMMENT ";..." /* funky byte display comment */ |
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65 |
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66 bool Disassembler::load_library() { |
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67 if (_decode_instructions != NULL) { |
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68 // Already succeeded. |
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69 return true; |
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70 } |
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71 if (_tried_to_load_library) { |
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72 // Do not try twice. |
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73 // To force retry in debugger: assign _tried_to_load_library=0 |
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74 return false; |
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75 } |
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76 // Try to load it. |
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77 char ebuf[1024]; |
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78 char buf[JVM_MAXPATHLEN]; |
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79 os::jvm_path(buf, sizeof(buf)); |
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80 int jvm_offset = -1; |
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81 int lib_offset = -1; |
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82 { |
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83 // Match "jvm[^/]*" in jvm_path. |
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84 const char* base = buf; |
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85 const char* p = strrchr(buf, '/'); |
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86 if (p != NULL) lib_offset = p - base + 1; |
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87 p = strstr(p ? p : base, "jvm"); |
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88 if (p != NULL) jvm_offset = p - base; |
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89 } |
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90 // Find the disassembler shared library. |
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91 // Search for several paths derived from libjvm, in this order: |
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92 // 1. <home>/jre/lib/<arch>/<vm>/libhsdis-<arch>.so (for compatibility) |
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93 // 2. <home>/jre/lib/<arch>/<vm>/hsdis-<arch>.so |
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94 // 3. <home>/jre/lib/<arch>/hsdis-<arch>.so |
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95 // 4. hsdis-<arch>.so (using LD_LIBRARY_PATH) |
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96 if (jvm_offset >= 0) { |
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97 // 1. <home>/jre/lib/<arch>/<vm>/libhsdis-<arch>.so |
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98 strcpy(&buf[jvm_offset], hsdis_library_name); |
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99 strcat(&buf[jvm_offset], os::dll_file_extension()); |
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100 _library = os::dll_load(buf, ebuf, sizeof ebuf); |
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101 if (_library == NULL) { |
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102 // 2. <home>/jre/lib/<arch>/<vm>/hsdis-<arch>.so |
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103 strcpy(&buf[lib_offset], hsdis_library_name); |
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104 strcat(&buf[lib_offset], os::dll_file_extension()); |
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105 _library = os::dll_load(buf, ebuf, sizeof ebuf); |
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106 } |
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107 if (_library == NULL) { |
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108 // 3. <home>/jre/lib/<arch>/hsdis-<arch>.so |
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109 buf[lib_offset - 1] = '\0'; |
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110 const char* p = strrchr(buf, '/'); |
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111 if (p != NULL) { |
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112 lib_offset = p - buf + 1; |
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113 strcpy(&buf[lib_offset], hsdis_library_name); |
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114 strcat(&buf[lib_offset], os::dll_file_extension()); |
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115 _library = os::dll_load(buf, ebuf, sizeof ebuf); |
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116 } |
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117 } |
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118 } |
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119 if (_library == NULL) { |
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120 // 4. hsdis-<arch>.so (using LD_LIBRARY_PATH) |
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121 strcpy(&buf[0], hsdis_library_name); |
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122 strcat(&buf[0], os::dll_file_extension()); |
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123 _library = os::dll_load(buf, ebuf, sizeof ebuf); |
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124 } |
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125 if (_library != NULL) { |
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126 _decode_instructions = CAST_TO_FN_PTR(Disassembler::decode_func, |
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127 os::dll_lookup(_library, decode_instructions_name)); |
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128 } |
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129 _tried_to_load_library = true; |
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130 if (_decode_instructions == NULL) { |
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131 tty->print_cr("Could not load %s; %s; %s", buf, |
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132 ((_library != NULL) |
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133 ? "entry point is missing" |
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134 : (WizardMode || PrintMiscellaneous) |
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135 ? (const char*)ebuf |
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136 : "library not loadable"), |
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137 "PrintAssembly is disabled"); |
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138 return false; |
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139 } |
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140 |
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141 // Success. |
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142 tty->print_cr("Loaded disassembler from %s", buf); |
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143 return true; |
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144 } |
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145 |
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146 |
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147 class decode_env { |
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148 private: |
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149 nmethod* _nm; |
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150 CodeBlob* _code; |
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151 outputStream* _output; |
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152 address _start, _end; |
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153 |
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154 char _option_buf[512]; |
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155 char _print_raw; |
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156 bool _print_pc; |
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157 bool _print_bytes; |
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158 address _cur_insn; |
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159 int _total_ticks; |
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160 int _bytes_per_line; // arch-specific formatting option |
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161 |
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162 static bool match(const char* event, const char* tag) { |
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163 size_t taglen = strlen(tag); |
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164 if (strncmp(event, tag, taglen) != 0) |
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165 return false; |
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166 char delim = event[taglen]; |
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167 return delim == '\0' || delim == ' ' || delim == '/' || delim == '='; |
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168 } |
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169 |
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170 void collect_options(const char* p) { |
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171 if (p == NULL || p[0] == '\0') return; |
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172 size_t opt_so_far = strlen(_option_buf); |
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173 if (opt_so_far + 1 + strlen(p) + 1 > sizeof(_option_buf)) return; |
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174 char* fillp = &_option_buf[opt_so_far]; |
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175 if (opt_so_far > 0) *fillp++ = ','; |
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176 strcat(fillp, p); |
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177 // replace white space by commas: |
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178 char* q = fillp; |
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179 while ((q = strpbrk(q, " \t\n")) != NULL) |
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180 *q++ = ','; |
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181 // Note that multiple PrintAssemblyOptions flags accumulate with \n, |
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182 // which we want to be changed to a comma... |
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183 } |
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184 |
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185 void print_insn_labels(); |
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186 void print_insn_bytes(address pc0, address pc); |
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187 void print_address(address value); |
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188 |
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189 public: |
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190 decode_env(CodeBlob* code, outputStream* output); |
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191 |
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192 address decode_instructions(address start, address end); |
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193 |
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194 void start_insn(address pc) { |
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195 _cur_insn = pc; |
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196 output()->bol(); |
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197 print_insn_labels(); |
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198 } |
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199 |
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200 void end_insn(address pc) { |
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201 address pc0 = cur_insn(); |
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202 outputStream* st = output(); |
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203 if (_print_bytes && pc > pc0) |
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204 print_insn_bytes(pc0, pc); |
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205 if (_nm != NULL) { |
100
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206 _nm->print_code_comment_on(st, COMMENT_COLUMN, pc0, pc); |
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207 // this calls reloc_string_for which calls oop::print_value_on |
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208 } |
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209 |
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210 // Output pc bucket ticks if we have any |
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211 if (total_ticks() != 0) { |
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212 address bucket_pc = FlatProfiler::bucket_start_for(pc); |
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213 if (bucket_pc != NULL && bucket_pc > pc0 && bucket_pc <= pc) { |
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214 int bucket_count = FlatProfiler::bucket_count_for(pc0); |
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215 if (bucket_count != 0) { |
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216 st->bol(); |
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217 st->print_cr("%3.1f%% [%d]", bucket_count*100.0/total_ticks(), bucket_count); |
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218 } |
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219 } |
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220 } |
6782 | 221 // follow each complete insn by a nice newline |
222 st->cr(); | |
100
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223 } |
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224 |
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225 address handle_event(const char* event, address arg); |
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226 |
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227 outputStream* output() { return _output; } |
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228 address cur_insn() { return _cur_insn; } |
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229 int total_ticks() { return _total_ticks; } |
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230 void set_total_ticks(int n) { _total_ticks = n; } |
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231 const char* options() { return _option_buf; } |
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232 }; |
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233 |
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234 decode_env::decode_env(CodeBlob* code, outputStream* output) { |
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235 memset(this, 0, sizeof(*this)); |
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236 _output = output ? output : tty; |
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237 _code = code; |
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238 if (code != NULL && code->is_nmethod()) |
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239 _nm = (nmethod*) code; |
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240 |
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241 // by default, output pc but not bytes: |
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242 _print_pc = true; |
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243 _print_bytes = false; |
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244 _bytes_per_line = Disassembler::pd_instruction_alignment(); |
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245 |
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246 // parse the global option string: |
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247 collect_options(Disassembler::pd_cpu_opts()); |
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248 collect_options(PrintAssemblyOptions); |
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249 |
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250 if (strstr(options(), "hsdis-")) { |
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|
251 if (strstr(options(), "hsdis-print-raw")) |
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|
252 _print_raw = (strstr(options(), "xml") ? 2 : 1); |
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253 if (strstr(options(), "hsdis-print-pc")) |
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|
254 _print_pc = !_print_pc; |
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|
255 if (strstr(options(), "hsdis-print-bytes")) |
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|
256 _print_bytes = !_print_bytes; |
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|
257 } |
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|
258 if (strstr(options(), "help")) { |
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|
259 tty->print_cr("PrintAssemblyOptions help:"); |
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260 tty->print_cr(" hsdis-print-raw test plugin by requesting raw output"); |
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261 tty->print_cr(" hsdis-print-raw-xml test plugin by requesting raw xml"); |
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262 tty->print_cr(" hsdis-print-pc turn off PC printing (on by default)"); |
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263 tty->print_cr(" hsdis-print-bytes turn on instruction byte output"); |
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264 tty->print_cr("combined options: %s", options()); |
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|
265 } |
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|
266 } |
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|
267 |
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268 address decode_env::handle_event(const char* event, address arg) { |
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269 if (match(event, "insn")) { |
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270 start_insn(arg); |
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271 } else if (match(event, "/insn")) { |
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272 end_insn(arg); |
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273 } else if (match(event, "addr")) { |
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274 if (arg != NULL) { |
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275 print_address(arg); |
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276 return arg; |
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|
277 } |
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278 } else if (match(event, "mach")) { |
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|
279 static char buffer[32] = { 0, }; |
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280 if (strcmp(buffer, (const char*)arg) != 0 || |
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|
281 strlen((const char*)arg) > sizeof(buffer) - 1) { |
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282 // Only print this when the mach changes |
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283 strncpy(buffer, (const char*)arg, sizeof(buffer) - 1); |
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|
284 output()->print_cr("[Disassembling for mach='%s']", arg); |
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7062856: Disassembler needs to be smarter about finding hsdis after 1.7 launcher changes
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285 } |
100
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286 } else if (match(event, "format bytes-per-line")) { |
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287 _bytes_per_line = (int) (intptr_t) arg; |
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|
288 } else { |
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289 // ignore unrecognized markup |
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|
290 } |
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291 return NULL; |
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|
292 } |
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293 |
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294 // called by the disassembler to print out jump targets and data addresses |
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295 void decode_env::print_address(address adr) { |
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296 outputStream* st = _output; |
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|
297 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
298 if (adr == NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
299 st->print("NULL"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
300 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
301 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
302 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
303 int small_num = (int)(intptr_t)adr; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
304 if ((intptr_t)adr == (intptr_t)small_num |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
305 && -1 <= small_num && small_num <= 9) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
306 st->print("%d", small_num); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
307 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
308 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
309 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
310 if (Universe::is_fully_initialized()) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
311 if (StubRoutines::contains(adr)) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
312 StubCodeDesc* desc = StubCodeDesc::desc_for(adr); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
313 if (desc == NULL) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
314 desc = StubCodeDesc::desc_for(adr + frame::pc_return_offset); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
315 if (desc != NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
316 st->print("Stub::%s", desc->name()); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
317 if (desc->begin() != adr) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
318 st->print("%+d 0x%p",adr - desc->begin(), adr); |
3363
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
2426
diff
changeset
|
319 else if (WizardMode) st->print(" " PTR_FORMAT, adr); |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
320 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
321 } |
3363
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
2426
diff
changeset
|
322 st->print("Stub::<unknown> " PTR_FORMAT, adr); |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
323 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
324 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
325 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
326 BarrierSet* bs = Universe::heap()->barrier_set(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
327 if (bs->kind() == BarrierSet::CardTableModRef && |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
328 adr == (address)((CardTableModRefBS*)(bs))->byte_map_base) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
329 st->print("word_map_base"); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
330 if (WizardMode) st->print(" " INTPTR_FORMAT, (intptr_t)adr); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
331 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
332 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
333 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
334 oop obj; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
335 if (_nm != NULL |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
336 && (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
|
337 && (address) obj == adr |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
338 && Universe::heap()->is_in(obj) |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
339 && Universe::heap()->is_in(obj->klass())) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
340 julong c = st->count(); |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
341 obj->print_value_on(st); |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
342 if (st->count() == c) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
343 // No output. (Can happen in product builds.) |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
344 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
|
345 } |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
346 return; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
347 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
348 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
349 |
3363
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
2426
diff
changeset
|
350 // Fall through to a simple (hexadecimal) numeral. |
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
2426
diff
changeset
|
351 st->print(PTR_FORMAT, adr); |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
352 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
353 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
354 void decode_env::print_insn_labels() { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
355 address p = cur_insn(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
356 outputStream* st = output(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
357 CodeBlob* cb = _code; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
358 if (cb != NULL) { |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
100
diff
changeset
|
359 cb->print_block_comment(st, p); |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
360 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
361 if (_print_pc) { |
3363
167b70ff3abc
6939861: JVM should handle more conversion operations
never
parents:
2426
diff
changeset
|
362 st->print(" " PTR_FORMAT ": ", p); |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
363 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
364 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
365 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
366 void decode_env::print_insn_bytes(address pc, address pc_limit) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
367 outputStream* st = output(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
368 size_t incr = 1; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
369 size_t perline = _bytes_per_line; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
370 if ((size_t) Disassembler::pd_instruction_alignment() >= sizeof(int) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
371 && !((uintptr_t)pc % sizeof(int)) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
372 && !((uintptr_t)pc_limit % sizeof(int))) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
373 incr = sizeof(int); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
374 if (perline % incr) perline += incr - (perline % incr); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
375 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
376 while (pc < pc_limit) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
377 // tab to the desired column: |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
378 st->move_to(COMMENT_COLUMN); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
379 address pc0 = pc; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
380 address pc1 = pc + perline; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
381 if (pc1 > pc_limit) pc1 = pc_limit; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
382 for (; pc < pc1; pc += incr) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
383 if (pc == pc0) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
384 st->print(BYTES_COMMENT); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
385 else if ((uint)(pc - pc0) % sizeof(int) == 0) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
386 st->print(" "); // put out a space on word boundaries |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
387 if (incr == sizeof(int)) |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
388 st->print("%08lx", *(int*)pc); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
389 else st->print("%02x", (*pc)&0xFF); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
390 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
391 st->cr(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
392 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
393 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
394 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
395 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
396 static void* event_to_env(void* env_pv, const char* event, void* arg) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
397 decode_env* env = (decode_env*) env_pv; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
398 return env->handle_event(event, (address) arg); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
399 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
400 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
401 static int printf_to_env(void* env_pv, const char* format, ...) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
402 decode_env* env = (decode_env*) env_pv; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
403 outputStream* st = env->output(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
404 size_t flen = strlen(format); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
405 const char* raw = NULL; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
406 if (flen == 0) return 0; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
407 if (flen == 1 && format[0] == '\n') { st->bol(); return 1; } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
408 if (flen < 2 || |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
409 strchr(format, '%') == NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
410 raw = format; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
411 } else if (format[0] == '%' && format[1] == '%' && |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
412 strchr(format+2, '%') == NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
413 // happens a lot on machines with names like %foo |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
414 flen--; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
415 raw = format+1; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
416 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
417 if (raw != NULL) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
418 st->print_raw(raw, (int) flen); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
419 return (int) flen; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
420 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
421 va_list ap; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
422 va_start(ap, format); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
423 julong cnt0 = st->count(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
424 st->vprint(format, ap); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
425 julong cnt1 = st->count(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
426 va_end(ap); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
427 return (int)(cnt1 - cnt0); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
428 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
429 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
430 address decode_env::decode_instructions(address start, address end) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
431 _start = start; _end = end; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
432 |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
433 assert(((((intptr_t)start | (intptr_t)end) % Disassembler::pd_instruction_alignment()) == 0), "misaligned insn addr"); |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
434 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
435 const int show_bytes = false; // for disassembler debugging |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
436 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
437 //_version = Disassembler::pd_cpu_version(); |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
438 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
439 if (!Disassembler::can_decode()) { |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
440 return NULL; |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
441 } |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
442 |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff
changeset
|
443 // decode a series of instructions and return the end of the last instruction |
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
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444 |
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445 if (_print_raw) { |
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446 // Print whatever the library wants to print, w/o fancy callbacks. |
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447 // This is mainly for debugging the library itself. |
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448 FILE* out = stdout; |
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449 FILE* xmlout = (_print_raw > 1 ? out : NULL); |
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450 return (address) |
6782 | 451 (*Disassembler::_decode_instructions)((uintptr_t)start, (uintptr_t)end, |
452 start, end - start, | |
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453 NULL, (void*) xmlout, |
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454 NULL, (void*) out, |
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455 options()); |
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456 } |
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457 |
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458 return (address) |
6782 | 459 (*Disassembler::_decode_instructions)((uintptr_t)start, (uintptr_t)end, |
460 start, end - start, | |
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461 &event_to_env, (void*) this, |
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462 &printf_to_env, (void*) this, |
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463 options()); |
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464 } |
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465 |
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466 |
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467 void Disassembler::decode(CodeBlob* cb, outputStream* st) { |
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468 if (!load_library()) return; |
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469 decode_env env(cb, st); |
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470 env.output()->print_cr("Decoding CodeBlob " PTR_FORMAT, cb); |
1748 | 471 env.decode_instructions(cb->code_begin(), cb->code_end()); |
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472 } |
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473 |
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474 |
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475 void Disassembler::decode(address start, address end, outputStream* st) { |
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476 if (!load_library()) return; |
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477 decode_env env(CodeCache::find_blob_unsafe(start), st); |
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478 env.decode_instructions(start, end); |
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479 } |
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480 |
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481 void Disassembler::decode(nmethod* nm, outputStream* st) { |
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482 if (!load_library()) return; |
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483 decode_env env(nm, st); |
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484 env.output()->print_cr("Decoding compiled method " PTR_FORMAT ":", nm); |
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485 env.output()->print_cr("Code:"); |
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486 |
1692 | 487 #ifdef SHARK |
1748 | 488 SharkEntry* entry = (SharkEntry *) nm->code_begin(); |
489 unsigned char* p = entry->code_start(); | |
1692 | 490 unsigned char* end = entry->code_limit(); |
491 #else | |
1748 | 492 unsigned char* p = nm->code_begin(); |
493 unsigned char* end = nm->code_end(); | |
1692 | 494 #endif // SHARK |
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495 |
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496 // If there has been profiling, print the buckets. |
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497 if (FlatProfiler::bucket_start_for(p) != NULL) { |
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498 unsigned char* p1 = p; |
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499 int total_bucket_count = 0; |
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500 while (p1 < end) { |
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501 unsigned char* p0 = p1; |
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502 p1 += pd_instruction_alignment(); |
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503 address bucket_pc = FlatProfiler::bucket_start_for(p1); |
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504 if (bucket_pc != NULL && bucket_pc > p0 && bucket_pc <= p1) |
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505 total_bucket_count += FlatProfiler::bucket_count_for(p0); |
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506 } |
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507 env.set_total_ticks(total_bucket_count); |
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508 } |
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509 |
2008 | 510 // Print constant table. |
511 if (nm->consts_size() > 0) { | |
512 nm->print_nmethod_labels(env.output(), nm->consts_begin()); | |
513 int offset = 0; | |
514 for (address p = nm->consts_begin(); p < nm->consts_end(); p += 4, offset += 4) { | |
515 if ((offset % 8) == 0) { | |
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516 env.output()->print_cr(" " PTR_FORMAT " (offset: %4d): " PTR32_FORMAT " " PTR64_FORMAT, p, offset, *((int32_t*) p), *((int64_t*) p)); |
2008 | 517 } else { |
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518 env.output()->print_cr(" " PTR_FORMAT " (offset: %4d): " PTR32_FORMAT, p, offset, *((int32_t*) p)); |
2008 | 519 } |
520 } | |
521 } | |
522 | |
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523 env.decode_instructions(p, end); |
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524 } |