annotate src/share/vm/utilities/debug.cpp @ 1972:f95d63e2154a

6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg
author stefank
date Tue, 23 Nov 2010 13:22:55 -0800
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children 2f644f85485d
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1 /*
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2 * Copyright (c) 1997, 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
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25 #include "precompiled.hpp"
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26 #include "classfile/systemDictionary.hpp"
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27 #include "code/codeCache.hpp"
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28 #include "code/icBuffer.hpp"
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29 #include "code/nmethod.hpp"
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30 #include "code/vtableStubs.hpp"
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31 #include "compiler/compileBroker.hpp"
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32 #include "compiler/disassembler.hpp"
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33 #include "gc_implementation/shared/markSweep.hpp"
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34 #include "gc_interface/collectedHeap.hpp"
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35 #include "interpreter/bytecodeHistogram.hpp"
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36 #include "interpreter/interpreter.hpp"
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37 #include "memory/resourceArea.hpp"
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38 #include "memory/universe.hpp"
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39 #include "oops/oop.inline.hpp"
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40 #include "prims/privilegedStack.hpp"
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41 #include "runtime/arguments.hpp"
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42 #include "runtime/frame.hpp"
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43 #include "runtime/java.hpp"
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44 #include "runtime/sharedRuntime.hpp"
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45 #include "runtime/stubCodeGenerator.hpp"
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46 #include "runtime/stubRoutines.hpp"
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47 #include "runtime/vframe.hpp"
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48 #include "services/heapDumper.hpp"
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49 #include "utilities/defaultStream.hpp"
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50 #include "utilities/events.hpp"
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51 #include "utilities/top.hpp"
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52 #include "utilities/vmError.hpp"
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53 #ifdef TARGET_OS_FAMILY_linux
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54 # include "os_linux.inline.hpp"
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55 # include "thread_linux.inline.hpp"
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56 #endif
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57 #ifdef TARGET_OS_FAMILY_solaris
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58 # include "os_solaris.inline.hpp"
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59 # include "thread_solaris.inline.hpp"
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60 #endif
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61 #ifdef TARGET_OS_FAMILY_windows
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62 # include "os_windows.inline.hpp"
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63 # include "thread_windows.inline.hpp"
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64 #endif
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65
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66 #ifndef ASSERT
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67 # ifdef _DEBUG
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68 // NOTE: don't turn the lines below into a comment -- if you're getting
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69 // a compile error here, change the settings to define ASSERT
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70 ASSERT should be defined when _DEBUG is defined. It is not intended to be used for debugging
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71 functions that do not slow down the system too much and thus can be left in optimized code.
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72 On the other hand, the code should not be included in a production version.
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73 # endif // _DEBUG
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74 #endif // ASSERT
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75
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76
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77 #ifdef _DEBUG
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78 # ifndef ASSERT
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79 configuration error: ASSERT must be defined in debug version
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80 # endif // ASSERT
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81 #endif // _DEBUG
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82
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83
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84 #ifdef PRODUCT
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85 # if -defined _DEBUG || -defined ASSERT
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86 configuration error: ASSERT et al. must not be defined in PRODUCT version
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87 # endif
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88 #endif // PRODUCT
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89
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90
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91 void warning(const char* format, ...) {
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92 if (PrintWarnings) {
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93 // In case error happens before init or during shutdown
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94 if (tty == NULL) ostream_init();
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95
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96 tty->print("%s warning: ", VM_Version::vm_name());
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97 va_list ap;
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98 va_start(ap, format);
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99 tty->vprint_cr(format, ap);
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100 va_end(ap);
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101 }
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102 if (BreakAtWarning) BREAKPOINT;
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103 }
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104
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105 #ifndef PRODUCT
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106
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107 #define is_token_break(ch) (isspace(ch) || (ch) == ',')
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108
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109 static const char* last_file_name = NULL;
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110 static int last_line_no = -1;
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111
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112 // assert/guarantee/... may happen very early during VM initialization.
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113 // Don't rely on anything that is initialized by Threads::create_vm(). For
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114 // example, don't use tty.
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115 bool error_is_suppressed(const char* file_name, int line_no) {
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116 // The following 1-element cache requires that passed-in
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117 // file names are always only constant literals.
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118 if (file_name == last_file_name && line_no == last_line_no) return true;
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119
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120 int file_name_len = (int)strlen(file_name);
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121 char separator = os::file_separator()[0];
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122 const char* base_name = strrchr(file_name, separator);
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123 if (base_name == NULL)
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124 base_name = file_name;
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125
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126 // scan the SuppressErrorAt option
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127 const char* cp = SuppressErrorAt;
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128 for (;;) {
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129 const char* sfile;
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130 int sfile_len;
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131 int sline;
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132 bool noisy;
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133 while ((*cp) != '\0' && is_token_break(*cp)) cp++;
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134 if ((*cp) == '\0') break;
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135 sfile = cp;
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136 while ((*cp) != '\0' && !is_token_break(*cp) && (*cp) != ':') cp++;
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137 sfile_len = cp - sfile;
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138 if ((*cp) == ':') cp++;
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139 sline = 0;
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140 while ((*cp) != '\0' && isdigit(*cp)) {
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141 sline *= 10;
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142 sline += (*cp) - '0';
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143 cp++;
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144 }
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145 // "file:line!" means the assert suppression is not silent
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146 noisy = ((*cp) == '!');
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147 while ((*cp) != '\0' && !is_token_break(*cp)) cp++;
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148 // match the line
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149 if (sline != 0) {
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150 if (sline != line_no) continue;
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151 }
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152 // match the file
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153 if (sfile_len > 0) {
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154 const char* look = file_name;
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155 const char* look_max = file_name + file_name_len - sfile_len;
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156 const char* foundp;
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157 bool match = false;
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158 while (!match
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159 && (foundp = strchr(look, sfile[0])) != NULL
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160 && foundp <= look_max) {
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161 match = true;
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162 for (int i = 1; i < sfile_len; i++) {
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163 if (sfile[i] != foundp[i]) {
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164 match = false;
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165 break;
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166 }
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167 }
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168 look = foundp + 1;
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169 }
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170 if (!match) continue;
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171 }
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172 // got a match!
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173 if (noisy) {
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174 fdStream out(defaultStream::output_fd());
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175 out.print_raw("[error suppressed at ");
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176 out.print_raw(base_name);
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177 char buf[16];
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178 jio_snprintf(buf, sizeof(buf), ":%d]", line_no);
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179 out.print_raw_cr(buf);
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180 } else {
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181 // update 1-element cache for fast silent matches
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182 last_file_name = file_name;
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183 last_line_no = line_no;
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184 }
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185 return true;
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186 }
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187
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188 if (!is_error_reported()) {
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189 // print a friendly hint:
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190 fdStream out(defaultStream::output_fd());
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191 out.print_raw_cr("# To suppress the following error report, specify this argument");
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192 out.print_raw ("# after -XX: or in .hotspotrc: SuppressErrorAt=");
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193 out.print_raw (base_name);
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194 char buf[16];
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195 jio_snprintf(buf, sizeof(buf), ":%d", line_no);
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196 out.print_raw_cr(buf);
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197 }
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198 return false;
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199 }
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200
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201 #undef is_token_break
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202
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203 #else
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204
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205 // Place-holder for non-existent suppression check:
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206 #define error_is_suppressed(file_name, line_no) (false)
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207
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208 #endif //PRODUCT
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209
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210 void report_vm_error(const char* file, int line, const char* error_msg,
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211 const char* detail_msg)
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212 {
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213 if (Debugging || error_is_suppressed(file, line)) return;
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214 Thread* const thread = ThreadLocalStorage::get_thread_slow();
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215 VMError err(thread, file, line, error_msg, detail_msg);
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216 err.report_and_die();
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217 }
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218
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219 void report_fatal(const char* file, int line, const char* message)
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220 {
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221 report_vm_error(file, line, "fatal error", message);
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222 }
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223
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224 // Used by report_vm_out_of_memory to detect recursion.
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225 static jint _exiting_out_of_mem = 0;
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226
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227 void report_vm_out_of_memory(const char* file, int line, size_t size,
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228 const char* message) {
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229 if (Debugging || error_is_suppressed(file, line)) return;
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230
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231 // We try to gather additional information for the first out of memory
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232 // error only; gathering additional data might cause an allocation and a
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233 // recursive out_of_memory condition.
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234
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235 const jint exiting = 1;
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236 // If we succeed in changing the value, we're the first one in.
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237 bool first_time_here = Atomic::xchg(exiting, &_exiting_out_of_mem) != exiting;
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238
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239 if (first_time_here) {
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240 Thread* thread = ThreadLocalStorage::get_thread_slow();
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241 VMError(thread, file, line, size, message).report_and_die();
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242 }
227
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243
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244 // Dump core and abort
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245 vm_abort(true);
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246 }
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247
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248 void report_should_not_call(const char* file, int line) {
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249 report_vm_error(file, line, "ShouldNotCall()");
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250 }
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251
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252 void report_should_not_reach_here(const char* file, int line) {
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253 report_vm_error(file, line, "ShouldNotReachHere()");
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254 }
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255
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256 void report_unimplemented(const char* file, int line) {
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257 report_vm_error(file, line, "Unimplemented()");
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258 }
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259
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260 void report_untested(const char* file, int line, const char* message) {
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261 #ifndef PRODUCT
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262 warning("Untested: %s in %s: %d\n", message, file, line);
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263 #endif // PRODUCT
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264 }
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265
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266 void report_java_out_of_memory(const char* message) {
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267 static jint out_of_memory_reported = 0;
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268
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269 // A number of threads may attempt to report OutOfMemoryError at around the
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270 // same time. To avoid dumping the heap or executing the data collection
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271 // commands multiple times we just do it once when the first threads reports
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272 // the error.
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273 if (Atomic::cmpxchg(1, &out_of_memory_reported, 0) == 0) {
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274 // create heap dump before OnOutOfMemoryError commands are executed
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275 if (HeapDumpOnOutOfMemoryError) {
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276 tty->print_cr("java.lang.OutOfMemoryError: %s", message);
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277 HeapDumper::dump_heap_from_oome();
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278 }
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279
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280 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) {
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281 VMError err(message);
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282 err.report_java_out_of_memory();
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283 }
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284 }
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285 }
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286
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287
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288 extern "C" void ps();
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289
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290 static bool error_reported = false;
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291
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292 // call this when the VM is dying--it might loosen some asserts
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293 void set_error_reported() {
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294 error_reported = true;
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295 }
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296
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297 bool is_error_reported() {
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298 return error_reported;
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299 }
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300
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301 #ifndef PRODUCT
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302 #include <signal.h>
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303
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304 void test_error_handler(size_t test_num)
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305 {
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306 if (test_num == 0) return;
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307
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308 // If asserts are disabled, use the corresponding guarantee instead.
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309 size_t n = test_num;
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310 NOT_DEBUG(if (n <= 2) n += 2);
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311
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312 const char* const str = "hello";
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313 const size_t num = (size_t)os::vm_page_size();
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314
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315 const char* const eol = os::line_separator();
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316 const char* const msg = "this message should be truncated during formatting";
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317
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318 // Keep this in sync with test/runtime/6888954/vmerrors.sh.
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319 switch (n) {
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320 case 1: assert(str == NULL, "expected null");
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321 case 2: assert(num == 1023 && *str == 'X',
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322 err_msg("num=" SIZE_FORMAT " str=\"%s\"", num, str));
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323 case 3: guarantee(str == NULL, "expected null");
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324 case 4: guarantee(num == 1023 && *str == 'X',
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325 err_msg("num=" SIZE_FORMAT " str=\"%s\"", num, str));
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326 case 5: fatal("expected null");
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327 case 6: fatal(err_msg("num=" SIZE_FORMAT " str=\"%s\"", num, str));
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328 case 7: fatal(err_msg("%s%s# %s%s# %s%s# %s%s# %s%s# "
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329 "%s%s# %s%s# %s%s# %s%s# %s%s# "
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330 "%s%s# %s%s# %s%s# %s%s# %s",
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331 msg, eol, msg, eol, msg, eol, msg, eol, msg, eol,
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332 msg, eol, msg, eol, msg, eol, msg, eol, msg, eol,
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333 msg, eol, msg, eol, msg, eol, msg, eol, msg));
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334 case 8: vm_exit_out_of_memory(num, "ChunkPool::allocate");
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335 case 9: ShouldNotCallThis();
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336 case 10: ShouldNotReachHere();
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337 case 11: Unimplemented();
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338 // This is last because it does not generate an hs_err* file on Windows.
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339 case 12: os::signal_raise(SIGSEGV);
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340
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341 default: ShouldNotReachHere();
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342 }
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343 }
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344 #endif // #ifndef PRODUCT
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345
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346 // ------ helper functions for debugging go here ------------
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347
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348 #ifndef PRODUCT
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349 // All debug entries should be wrapped with a stack allocated
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350 // Command object. It makes sure a resource mark is set and
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351 // flushes the logfile to prevent file sharing problems.
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352
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353 class Command : public StackObj {
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354 private:
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355 ResourceMark rm;
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356 ResetNoHandleMark rnhm;
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357 HandleMark hm;
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358 bool debug_save;
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359 public:
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360 static int level;
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361 Command(const char* str) {
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362 debug_save = Debugging;
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363 Debugging = true;
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364 if (level++ > 0) return;
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365 tty->cr();
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366 tty->print_cr("\"Executing %s\"", str);
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367 }
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368
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369 ~Command() { tty->flush(); Debugging = debug_save; level--; }
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370 };
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371
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372 int Command::level = 0;
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373
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374 extern "C" void blob(CodeBlob* cb) {
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375 Command c("blob");
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376 cb->print();
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377 }
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378
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379
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380 extern "C" void dump_vtable(address p) {
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381 Command c("dump_vtable");
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382 klassOop k = (klassOop)p;
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383 instanceKlass::cast(k)->vtable()->print();
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384 }
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385
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386
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387 extern "C" void nm(intptr_t p) {
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388 // Actually we look through all CodeBlobs (the nm name has been kept for backwards compatability)
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389 Command c("nm");
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390 CodeBlob* cb = CodeCache::find_blob((address)p);
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391 if (cb == NULL) {
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392 tty->print_cr("NULL");
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393 } else {
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394 cb->print();
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395 }
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396 }
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397
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398
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399 extern "C" void disnm(intptr_t p) {
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400 Command c("disnm");
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401 CodeBlob* cb = CodeCache::find_blob((address) p);
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402 cb->print();
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403 Disassembler::decode(cb);
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parents:
diff changeset
404 }
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duke
parents:
diff changeset
405
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duke
parents:
diff changeset
406
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duke
parents:
diff changeset
407 extern "C" void printnm(intptr_t p) {
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duke
parents:
diff changeset
408 char buffer[256];
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duke
parents:
diff changeset
409 sprintf(buffer, "printnm: " INTPTR_FORMAT, p);
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duke
parents:
diff changeset
410 Command c(buffer);
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duke
parents:
diff changeset
411 CodeBlob* cb = CodeCache::find_blob((address) p);
a61af66fc99e Initial load
duke
parents:
diff changeset
412 if (cb->is_nmethod()) {
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duke
parents:
diff changeset
413 nmethod* nm = (nmethod*)cb;
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duke
parents:
diff changeset
414 nm->print_nmethod(true);
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parents:
diff changeset
415 }
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parents:
diff changeset
416 }
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duke
parents:
diff changeset
417
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parents:
diff changeset
418
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parents:
diff changeset
419 extern "C" void universe() {
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duke
parents:
diff changeset
420 Command c("universe");
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parents:
diff changeset
421 Universe::print();
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parents:
diff changeset
422 }
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parents:
diff changeset
423
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parents:
diff changeset
424
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parents:
diff changeset
425 extern "C" void verify() {
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duke
parents:
diff changeset
426 // try to run a verify on the entire system
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duke
parents:
diff changeset
427 // note: this may not be safe if we're not at a safepoint; for debugging,
a61af66fc99e Initial load
duke
parents:
diff changeset
428 // this manipulates the safepoint settings to avoid assertion failures
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duke
parents:
diff changeset
429 Command c("universe verify");
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duke
parents:
diff changeset
430 bool safe = SafepointSynchronize::is_at_safepoint();
a61af66fc99e Initial load
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parents:
diff changeset
431 if (!safe) {
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duke
parents:
diff changeset
432 tty->print_cr("warning: not at safepoint -- verify may fail");
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duke
parents:
diff changeset
433 SafepointSynchronize::set_is_at_safepoint();
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duke
parents:
diff changeset
434 }
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duke
parents:
diff changeset
435 // Ensure Eden top is correct before verification
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duke
parents:
diff changeset
436 Universe::heap()->prepare_for_verify();
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duke
parents:
diff changeset
437 Universe::verify(true);
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duke
parents:
diff changeset
438 if (!safe) SafepointSynchronize::set_is_not_at_safepoint();
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duke
parents:
diff changeset
439 }
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duke
parents:
diff changeset
440
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duke
parents:
diff changeset
441
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duke
parents:
diff changeset
442 extern "C" void pp(void* p) {
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duke
parents:
diff changeset
443 Command c("pp");
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duke
parents:
diff changeset
444 FlagSetting fl(PrintVMMessages, true);
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duke
parents:
diff changeset
445 if (Universe::heap()->is_in(p)) {
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duke
parents:
diff changeset
446 oop obj = oop(p);
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parents:
diff changeset
447 obj->print();
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parents:
diff changeset
448 } else {
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parents:
diff changeset
449 tty->print("%#p", p);
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duke
parents:
diff changeset
450 }
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duke
parents:
diff changeset
451 }
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duke
parents:
diff changeset
452
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duke
parents:
diff changeset
453
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duke
parents:
diff changeset
454 // pv: print vm-printable object
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parents:
diff changeset
455 extern "C" void pa(intptr_t p) { ((AllocatedObj*) p)->print(); }
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parents:
diff changeset
456 extern "C" void findpc(intptr_t x);
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duke
parents:
diff changeset
457
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duke
parents:
diff changeset
458 extern "C" void ps() { // print stack
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duke
parents:
diff changeset
459 Command c("ps");
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duke
parents:
diff changeset
460
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parents:
diff changeset
461
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duke
parents:
diff changeset
462 // Prints the stack of the current Java thread
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duke
parents:
diff changeset
463 JavaThread* p = JavaThread::active();
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parents:
diff changeset
464 tty->print(" for thread: ");
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duke
parents:
diff changeset
465 p->print();
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parents:
diff changeset
466 tty->cr();
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duke
parents:
diff changeset
467
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duke
parents:
diff changeset
468 if (p->has_last_Java_frame()) {
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duke
parents:
diff changeset
469 // If the last_Java_fp is set we are in C land and
a61af66fc99e Initial load
duke
parents:
diff changeset
470 // can call the standard stack_trace function.
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parents:
diff changeset
471 p->trace_stack();
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duke
parents:
diff changeset
472 } else {
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duke
parents:
diff changeset
473 frame f = os::current_frame();
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duke
parents:
diff changeset
474 RegisterMap reg_map(p);
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duke
parents:
diff changeset
475 f = f.sender(&reg_map);
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duke
parents:
diff changeset
476 tty->print("(guessing starting frame id=%#p based on current fp)\n", f.id());
a61af66fc99e Initial load
duke
parents:
diff changeset
477 p->trace_stack_from(vframe::new_vframe(&f, &reg_map, p));
a61af66fc99e Initial load
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parents:
diff changeset
478 pd_ps(f);
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duke
parents:
diff changeset
479 }
a61af66fc99e Initial load
duke
parents:
diff changeset
480
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duke
parents:
diff changeset
481 }
a61af66fc99e Initial load
duke
parents:
diff changeset
482
a61af66fc99e Initial load
duke
parents:
diff changeset
483
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duke
parents:
diff changeset
484 extern "C" void psf() { // print stack frames
a61af66fc99e Initial load
duke
parents:
diff changeset
485 {
a61af66fc99e Initial load
duke
parents:
diff changeset
486 Command c("psf");
a61af66fc99e Initial load
duke
parents:
diff changeset
487 JavaThread* p = JavaThread::active();
a61af66fc99e Initial load
duke
parents:
diff changeset
488 tty->print(" for thread: ");
a61af66fc99e Initial load
duke
parents:
diff changeset
489 p->print();
a61af66fc99e Initial load
duke
parents:
diff changeset
490 tty->cr();
a61af66fc99e Initial load
duke
parents:
diff changeset
491 if (p->has_last_Java_frame()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
492 p->trace_frames();
a61af66fc99e Initial load
duke
parents:
diff changeset
493 }
a61af66fc99e Initial load
duke
parents:
diff changeset
494 }
a61af66fc99e Initial load
duke
parents:
diff changeset
495 }
a61af66fc99e Initial load
duke
parents:
diff changeset
496
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duke
parents:
diff changeset
497
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duke
parents:
diff changeset
498 extern "C" void threads() {
a61af66fc99e Initial load
duke
parents:
diff changeset
499 Command c("threads");
a61af66fc99e Initial load
duke
parents:
diff changeset
500 Threads::print(false, true);
a61af66fc99e Initial load
duke
parents:
diff changeset
501 }
a61af66fc99e Initial load
duke
parents:
diff changeset
502
a61af66fc99e Initial load
duke
parents:
diff changeset
503
a61af66fc99e Initial load
duke
parents:
diff changeset
504 extern "C" void psd() {
a61af66fc99e Initial load
duke
parents:
diff changeset
505 Command c("psd");
a61af66fc99e Initial load
duke
parents:
diff changeset
506 SystemDictionary::print();
a61af66fc99e Initial load
duke
parents:
diff changeset
507 }
a61af66fc99e Initial load
duke
parents:
diff changeset
508
a61af66fc99e Initial load
duke
parents:
diff changeset
509
a61af66fc99e Initial load
duke
parents:
diff changeset
510 extern "C" void safepoints() {
a61af66fc99e Initial load
duke
parents:
diff changeset
511 Command c("safepoints");
a61af66fc99e Initial load
duke
parents:
diff changeset
512 SafepointSynchronize::print_state();
a61af66fc99e Initial load
duke
parents:
diff changeset
513 }
a61af66fc99e Initial load
duke
parents:
diff changeset
514
a61af66fc99e Initial load
duke
parents:
diff changeset
515
a61af66fc99e Initial load
duke
parents:
diff changeset
516 extern "C" void pss() { // print all stacks
a61af66fc99e Initial load
duke
parents:
diff changeset
517 Command c("pss");
a61af66fc99e Initial load
duke
parents:
diff changeset
518 Threads::print(true, true);
a61af66fc99e Initial load
duke
parents:
diff changeset
519 }
a61af66fc99e Initial load
duke
parents:
diff changeset
520
a61af66fc99e Initial load
duke
parents:
diff changeset
521
a61af66fc99e Initial load
duke
parents:
diff changeset
522 extern "C" void debug() { // to set things up for compiler debugging
a61af66fc99e Initial load
duke
parents:
diff changeset
523 Command c("debug");
a61af66fc99e Initial load
duke
parents:
diff changeset
524 WizardMode = true;
a61af66fc99e Initial load
duke
parents:
diff changeset
525 PrintVMMessages = PrintCompilation = true;
a61af66fc99e Initial load
duke
parents:
diff changeset
526 PrintInlining = PrintAssembly = true;
a61af66fc99e Initial load
duke
parents:
diff changeset
527 tty->flush();
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duke
parents:
diff changeset
528 }
a61af66fc99e Initial load
duke
parents:
diff changeset
529
a61af66fc99e Initial load
duke
parents:
diff changeset
530
a61af66fc99e Initial load
duke
parents:
diff changeset
531 extern "C" void ndebug() { // undo debug()
a61af66fc99e Initial load
duke
parents:
diff changeset
532 Command c("ndebug");
a61af66fc99e Initial load
duke
parents:
diff changeset
533 PrintCompilation = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
534 PrintInlining = PrintAssembly = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
535 tty->flush();
a61af66fc99e Initial load
duke
parents:
diff changeset
536 }
a61af66fc99e Initial load
duke
parents:
diff changeset
537
a61af66fc99e Initial load
duke
parents:
diff changeset
538
a61af66fc99e Initial load
duke
parents:
diff changeset
539 extern "C" void flush() {
a61af66fc99e Initial load
duke
parents:
diff changeset
540 Command c("flush");
a61af66fc99e Initial load
duke
parents:
diff changeset
541 tty->flush();
a61af66fc99e Initial load
duke
parents:
diff changeset
542 }
a61af66fc99e Initial load
duke
parents:
diff changeset
543
a61af66fc99e Initial load
duke
parents:
diff changeset
544
a61af66fc99e Initial load
duke
parents:
diff changeset
545 extern "C" void events() {
a61af66fc99e Initial load
duke
parents:
diff changeset
546 Command c("events");
a61af66fc99e Initial load
duke
parents:
diff changeset
547 Events::print_last(tty, 50);
a61af66fc99e Initial load
duke
parents:
diff changeset
548 }
a61af66fc99e Initial load
duke
parents:
diff changeset
549
a61af66fc99e Initial load
duke
parents:
diff changeset
550
a61af66fc99e Initial load
duke
parents:
diff changeset
551 extern "C" void nevents(int n) {
a61af66fc99e Initial load
duke
parents:
diff changeset
552 Command c("events");
a61af66fc99e Initial load
duke
parents:
diff changeset
553 Events::print_last(tty, n);
a61af66fc99e Initial load
duke
parents:
diff changeset
554 }
a61af66fc99e Initial load
duke
parents:
diff changeset
555
a61af66fc99e Initial load
duke
parents:
diff changeset
556
a61af66fc99e Initial load
duke
parents:
diff changeset
557 // Given a heap address that was valid before the most recent GC, if
a61af66fc99e Initial load
duke
parents:
diff changeset
558 // the oop that used to contain it is still live, prints the new
a61af66fc99e Initial load
duke
parents:
diff changeset
559 // location of the oop and the address. Useful for tracking down
a61af66fc99e Initial load
duke
parents:
diff changeset
560 // certain kinds of naked oop and oop map bugs.
a61af66fc99e Initial load
duke
parents:
diff changeset
561 extern "C" void pnl(intptr_t old_heap_addr) {
a61af66fc99e Initial load
duke
parents:
diff changeset
562 // Print New Location of old heap address
a61af66fc99e Initial load
duke
parents:
diff changeset
563 Command c("pnl");
a61af66fc99e Initial load
duke
parents:
diff changeset
564 #ifndef VALIDATE_MARK_SWEEP
a61af66fc99e Initial load
duke
parents:
diff changeset
565 tty->print_cr("Requires build with VALIDATE_MARK_SWEEP defined (debug build) and RecordMarkSweepCompaction enabled");
a61af66fc99e Initial load
duke
parents:
diff changeset
566 #else
a61af66fc99e Initial load
duke
parents:
diff changeset
567 MarkSweep::print_new_location_of_heap_address((HeapWord*) old_heap_addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
568 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
569 }
a61af66fc99e Initial load
duke
parents:
diff changeset
570
a61af66fc99e Initial load
duke
parents:
diff changeset
571
a61af66fc99e Initial load
duke
parents:
diff changeset
572 extern "C" methodOop findm(intptr_t pc) {
a61af66fc99e Initial load
duke
parents:
diff changeset
573 Command c("findm");
a61af66fc99e Initial load
duke
parents:
diff changeset
574 nmethod* nm = CodeCache::find_nmethod((address)pc);
a61af66fc99e Initial load
duke
parents:
diff changeset
575 return (nm == NULL) ? (methodOop)NULL : nm->method();
a61af66fc99e Initial load
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parents:
diff changeset
576 }
a61af66fc99e Initial load
duke
parents:
diff changeset
577
a61af66fc99e Initial load
duke
parents:
diff changeset
578
a61af66fc99e Initial load
duke
parents:
diff changeset
579 extern "C" nmethod* findnm(intptr_t addr) {
a61af66fc99e Initial load
duke
parents:
diff changeset
580 Command c("findnm");
a61af66fc99e Initial load
duke
parents:
diff changeset
581 return CodeCache::find_nmethod((address)addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
582 }
a61af66fc99e Initial load
duke
parents:
diff changeset
583
a61af66fc99e Initial load
duke
parents:
diff changeset
584 static address same_page(address x, address y) {
a61af66fc99e Initial load
duke
parents:
diff changeset
585 intptr_t page_bits = -os::vm_page_size();
a61af66fc99e Initial load
duke
parents:
diff changeset
586 if ((intptr_t(x) & page_bits) == (intptr_t(y) & page_bits)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
587 return x;
a61af66fc99e Initial load
duke
parents:
diff changeset
588 } else if (x > y) {
a61af66fc99e Initial load
duke
parents:
diff changeset
589 return (address)(intptr_t(y) | ~page_bits) + 1;
a61af66fc99e Initial load
duke
parents:
diff changeset
590 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
591 return (address)(intptr_t(y) & page_bits);
a61af66fc99e Initial load
duke
parents:
diff changeset
592 }
a61af66fc99e Initial load
duke
parents:
diff changeset
593 }
a61af66fc99e Initial load
duke
parents:
diff changeset
594
a61af66fc99e Initial load
duke
parents:
diff changeset
595 class LookForRefInGenClosure : public OopsInGenClosure {
a61af66fc99e Initial load
duke
parents:
diff changeset
596 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
597 oop target;
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duke
parents:
diff changeset
598 void do_oop(oop* o) {
a61af66fc99e Initial load
duke
parents:
diff changeset
599 if (o != NULL && *o == target) {
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents: 113
diff changeset
600 tty->print_cr(INTPTR_FORMAT, o);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
601 }
a61af66fc99e Initial load
duke
parents:
diff changeset
602 }
113
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 0
diff changeset
603 void do_oop(narrowOop* o) { ShouldNotReachHere(); }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
604 };
a61af66fc99e Initial load
duke
parents:
diff changeset
605
a61af66fc99e Initial load
duke
parents:
diff changeset
606
a61af66fc99e Initial load
duke
parents:
diff changeset
607 class LookForRefInObjectClosure : public ObjectClosure {
a61af66fc99e Initial load
duke
parents:
diff changeset
608 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
609 LookForRefInGenClosure look_in_object;
a61af66fc99e Initial load
duke
parents:
diff changeset
610 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
611 LookForRefInObjectClosure(oop target) { look_in_object.target = target; }
a61af66fc99e Initial load
duke
parents:
diff changeset
612 void do_object(oop obj) {
a61af66fc99e Initial load
duke
parents:
diff changeset
613 obj->oop_iterate(&look_in_object);
a61af66fc99e Initial load
duke
parents:
diff changeset
614 }
a61af66fc99e Initial load
duke
parents:
diff changeset
615 };
a61af66fc99e Initial load
duke
parents:
diff changeset
616
a61af66fc99e Initial load
duke
parents:
diff changeset
617
a61af66fc99e Initial load
duke
parents:
diff changeset
618 static void findref(intptr_t x) {
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents: 113
diff changeset
619 CollectedHeap *ch = Universe::heap();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
620 LookForRefInGenClosure lookFor;
a61af66fc99e Initial load
duke
parents:
diff changeset
621 lookFor.target = (oop) x;
a61af66fc99e Initial load
duke
parents:
diff changeset
622 LookForRefInObjectClosure look_in_object((oop) x);
a61af66fc99e Initial load
duke
parents:
diff changeset
623
a61af66fc99e Initial load
duke
parents:
diff changeset
624 tty->print_cr("Searching heap:");
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents: 113
diff changeset
625 ch->object_iterate(&look_in_object);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
626
a61af66fc99e Initial load
duke
parents:
diff changeset
627 tty->print_cr("Searching strong roots:");
a61af66fc99e Initial load
duke
parents:
diff changeset
628 Universe::oops_do(&lookFor, false);
a61af66fc99e Initial load
duke
parents:
diff changeset
629 JNIHandles::oops_do(&lookFor); // Global (strong) JNI handles
989
148e5441d916 6863023: need non-perm oops in code cache for JSR 292
jrose
parents: 432
diff changeset
630 Threads::oops_do(&lookFor, NULL);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
631 ObjectSynchronizer::oops_do(&lookFor);
a61af66fc99e Initial load
duke
parents:
diff changeset
632 //FlatProfiler::oops_do(&lookFor);
a61af66fc99e Initial load
duke
parents:
diff changeset
633 SystemDictionary::oops_do(&lookFor);
a61af66fc99e Initial load
duke
parents:
diff changeset
634
989
148e5441d916 6863023: need non-perm oops in code cache for JSR 292
jrose
parents: 432
diff changeset
635 tty->print_cr("Searching code cache:");
148e5441d916 6863023: need non-perm oops in code cache for JSR 292
jrose
parents: 432
diff changeset
636 CodeCache::oops_do(&lookFor);
148e5441d916 6863023: need non-perm oops in code cache for JSR 292
jrose
parents: 432
diff changeset
637
0
a61af66fc99e Initial load
duke
parents:
diff changeset
638 tty->print_cr("Done.");
a61af66fc99e Initial load
duke
parents:
diff changeset
639 }
a61af66fc99e Initial load
duke
parents:
diff changeset
640
a61af66fc99e Initial load
duke
parents:
diff changeset
641 class FindClassObjectClosure: public ObjectClosure {
a61af66fc99e Initial load
duke
parents:
diff changeset
642 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
643 const char* _target;
a61af66fc99e Initial load
duke
parents:
diff changeset
644 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
645 FindClassObjectClosure(const char name[]) { _target = name; }
a61af66fc99e Initial load
duke
parents:
diff changeset
646
a61af66fc99e Initial load
duke
parents:
diff changeset
647 virtual void do_object(oop obj) {
a61af66fc99e Initial load
duke
parents:
diff changeset
648 if (obj->is_klass()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
649 Klass* k = klassOop(obj)->klass_part();
a61af66fc99e Initial load
duke
parents:
diff changeset
650 if (k->name() != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
651 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
652 const char* ext = k->external_name();
a61af66fc99e Initial load
duke
parents:
diff changeset
653 if ( strcmp(_target, ext) == 0 ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
654 tty->print_cr("Found " INTPTR_FORMAT, obj);
a61af66fc99e Initial load
duke
parents:
diff changeset
655 obj->print();
a61af66fc99e Initial load
duke
parents:
diff changeset
656 }
a61af66fc99e Initial load
duke
parents:
diff changeset
657 }
a61af66fc99e Initial load
duke
parents:
diff changeset
658 }
a61af66fc99e Initial load
duke
parents:
diff changeset
659 }
a61af66fc99e Initial load
duke
parents:
diff changeset
660 };
a61af66fc99e Initial load
duke
parents:
diff changeset
661
a61af66fc99e Initial load
duke
parents:
diff changeset
662 //
a61af66fc99e Initial load
duke
parents:
diff changeset
663 extern "C" void findclass(const char name[]) {
a61af66fc99e Initial load
duke
parents:
diff changeset
664 Command c("findclass");
a61af66fc99e Initial load
duke
parents:
diff changeset
665 if (name != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
666 tty->print_cr("Finding class %s -> ", name);
a61af66fc99e Initial load
duke
parents:
diff changeset
667 FindClassObjectClosure srch(name);
a61af66fc99e Initial load
duke
parents:
diff changeset
668 Universe::heap()->permanent_object_iterate(&srch);
a61af66fc99e Initial load
duke
parents:
diff changeset
669 }
a61af66fc99e Initial load
duke
parents:
diff changeset
670 }
a61af66fc99e Initial load
duke
parents:
diff changeset
671
a61af66fc99e Initial load
duke
parents:
diff changeset
672 // Another interface that isn't ambiguous in dbx.
a61af66fc99e Initial load
duke
parents:
diff changeset
673 // Can we someday rename the other find to hsfind?
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duke
parents:
diff changeset
674 extern "C" void hsfind(intptr_t x) {
a61af66fc99e Initial load
duke
parents:
diff changeset
675 Command c("hsfind");
1681
126ea7725993 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 1552
diff changeset
676 os::print_location(tty, x, false);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
677 }
a61af66fc99e Initial load
duke
parents:
diff changeset
678
a61af66fc99e Initial load
duke
parents:
diff changeset
679
a61af66fc99e Initial load
duke
parents:
diff changeset
680 extern "C" void hsfindref(intptr_t x) {
a61af66fc99e Initial load
duke
parents:
diff changeset
681 Command c("hsfindref");
a61af66fc99e Initial load
duke
parents:
diff changeset
682 findref(x);
a61af66fc99e Initial load
duke
parents:
diff changeset
683 }
a61af66fc99e Initial load
duke
parents:
diff changeset
684
a61af66fc99e Initial load
duke
parents:
diff changeset
685 extern "C" void find(intptr_t x) {
a61af66fc99e Initial load
duke
parents:
diff changeset
686 Command c("find");
1681
126ea7725993 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 1552
diff changeset
687 os::print_location(tty, x, false);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
688 }
a61af66fc99e Initial load
duke
parents:
diff changeset
689
a61af66fc99e Initial load
duke
parents:
diff changeset
690
a61af66fc99e Initial load
duke
parents:
diff changeset
691 extern "C" void findpc(intptr_t x) {
a61af66fc99e Initial load
duke
parents:
diff changeset
692 Command c("findpc");
1681
126ea7725993 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 1552
diff changeset
693 os::print_location(tty, x, true);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
694 }
a61af66fc99e Initial load
duke
parents:
diff changeset
695
a61af66fc99e Initial load
duke
parents:
diff changeset
696
a61af66fc99e Initial load
duke
parents:
diff changeset
697 // int versions of all methods to avoid having to type type casts in the debugger
a61af66fc99e Initial load
duke
parents:
diff changeset
698
a61af66fc99e Initial load
duke
parents:
diff changeset
699 void pp(intptr_t p) { pp((void*)p); }
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duke
parents:
diff changeset
700 void pp(oop p) { pp((void*)p); }
a61af66fc99e Initial load
duke
parents:
diff changeset
701
a61af66fc99e Initial load
duke
parents:
diff changeset
702 void help() {
a61af66fc99e Initial load
duke
parents:
diff changeset
703 Command c("help");
a61af66fc99e Initial load
duke
parents:
diff changeset
704 tty->print_cr("basic");
a61af66fc99e Initial load
duke
parents:
diff changeset
705 tty->print_cr(" pp(void* p) - try to make sense of p");
a61af66fc99e Initial load
duke
parents:
diff changeset
706 tty->print_cr(" pv(intptr_t p)- ((PrintableResourceObj*) p)->print()");
a61af66fc99e Initial load
duke
parents:
diff changeset
707 tty->print_cr(" ps() - print current thread stack");
a61af66fc99e Initial load
duke
parents:
diff changeset
708 tty->print_cr(" pss() - print all thread stacks");
a61af66fc99e Initial load
duke
parents:
diff changeset
709 tty->print_cr(" pm(int pc) - print methodOop given compiled PC");
a61af66fc99e Initial load
duke
parents:
diff changeset
710 tty->print_cr(" findm(intptr_t pc) - finds methodOop");
a61af66fc99e Initial load
duke
parents:
diff changeset
711 tty->print_cr(" find(intptr_t x) - finds & prints nmethod/stub/bytecode/oop based on pointer into it");
a61af66fc99e Initial load
duke
parents:
diff changeset
712
a61af66fc99e Initial load
duke
parents:
diff changeset
713 tty->print_cr("misc.");
a61af66fc99e Initial load
duke
parents:
diff changeset
714 tty->print_cr(" flush() - flushes the log file");
a61af66fc99e Initial load
duke
parents:
diff changeset
715 tty->print_cr(" events() - dump last 50 events");
a61af66fc99e Initial load
duke
parents:
diff changeset
716
a61af66fc99e Initial load
duke
parents:
diff changeset
717
a61af66fc99e Initial load
duke
parents:
diff changeset
718 tty->print_cr("compiler debugging");
a61af66fc99e Initial load
duke
parents:
diff changeset
719 tty->print_cr(" debug() - to set things up for compiler debugging");
a61af66fc99e Initial load
duke
parents:
diff changeset
720 tty->print_cr(" ndebug() - undo debug");
a61af66fc99e Initial load
duke
parents:
diff changeset
721 }
a61af66fc99e Initial load
duke
parents:
diff changeset
722
a61af66fc99e Initial load
duke
parents:
diff changeset
723 #if 0
a61af66fc99e Initial load
duke
parents:
diff changeset
724
a61af66fc99e Initial load
duke
parents:
diff changeset
725 // BobV's command parser for debugging on windows when nothing else works.
a61af66fc99e Initial load
duke
parents:
diff changeset
726
a61af66fc99e Initial load
duke
parents:
diff changeset
727 enum CommandID {
a61af66fc99e Initial load
duke
parents:
diff changeset
728 CMDID_HELP,
a61af66fc99e Initial load
duke
parents:
diff changeset
729 CMDID_QUIT,
a61af66fc99e Initial load
duke
parents:
diff changeset
730 CMDID_HSFIND,
a61af66fc99e Initial load
duke
parents:
diff changeset
731 CMDID_PSS,
a61af66fc99e Initial load
duke
parents:
diff changeset
732 CMDID_PS,
a61af66fc99e Initial load
duke
parents:
diff changeset
733 CMDID_PSF,
a61af66fc99e Initial load
duke
parents:
diff changeset
734 CMDID_FINDM,
a61af66fc99e Initial load
duke
parents:
diff changeset
735 CMDID_FINDNM,
a61af66fc99e Initial load
duke
parents:
diff changeset
736 CMDID_PP,
a61af66fc99e Initial load
duke
parents:
diff changeset
737 CMDID_BPT,
a61af66fc99e Initial load
duke
parents:
diff changeset
738 CMDID_EXIT,
a61af66fc99e Initial load
duke
parents:
diff changeset
739 CMDID_VERIFY,
a61af66fc99e Initial load
duke
parents:
diff changeset
740 CMDID_THREADS,
a61af66fc99e Initial load
duke
parents:
diff changeset
741 CMDID_ILLEGAL = 99
a61af66fc99e Initial load
duke
parents:
diff changeset
742 };
a61af66fc99e Initial load
duke
parents:
diff changeset
743
a61af66fc99e Initial load
duke
parents:
diff changeset
744 struct CommandParser {
a61af66fc99e Initial load
duke
parents:
diff changeset
745 char *name;
a61af66fc99e Initial load
duke
parents:
diff changeset
746 CommandID code;
a61af66fc99e Initial load
duke
parents:
diff changeset
747 char *description;
a61af66fc99e Initial load
duke
parents:
diff changeset
748 };
a61af66fc99e Initial load
duke
parents:
diff changeset
749
a61af66fc99e Initial load
duke
parents:
diff changeset
750 struct CommandParser CommandList[] = {
a61af66fc99e Initial load
duke
parents:
diff changeset
751 (char *)"help", CMDID_HELP, " Dump this list",
a61af66fc99e Initial load
duke
parents:
diff changeset
752 (char *)"quit", CMDID_QUIT, " Return from this routine",
a61af66fc99e Initial load
duke
parents:
diff changeset
753 (char *)"hsfind", CMDID_HSFIND, "Perform an hsfind on an address",
a61af66fc99e Initial load
duke
parents:
diff changeset
754 (char *)"ps", CMDID_PS, " Print Current Thread Stack Trace",
a61af66fc99e Initial load
duke
parents:
diff changeset
755 (char *)"pss", CMDID_PSS, " Print All Thread Stack Trace",
a61af66fc99e Initial load
duke
parents:
diff changeset
756 (char *)"psf", CMDID_PSF, " Print All Stack Frames",
a61af66fc99e Initial load
duke
parents:
diff changeset
757 (char *)"findm", CMDID_FINDM, " Find a methodOop from a PC",
a61af66fc99e Initial load
duke
parents:
diff changeset
758 (char *)"findnm", CMDID_FINDNM, "Find an nmethod from a PC",
a61af66fc99e Initial load
duke
parents:
diff changeset
759 (char *)"pp", CMDID_PP, " Find out something about a pointer",
a61af66fc99e Initial load
duke
parents:
diff changeset
760 (char *)"break", CMDID_BPT, " Execute a breakpoint",
a61af66fc99e Initial load
duke
parents:
diff changeset
761 (char *)"exitvm", CMDID_EXIT, "Exit the VM",
a61af66fc99e Initial load
duke
parents:
diff changeset
762 (char *)"verify", CMDID_VERIFY, "Perform a Heap Verify",
a61af66fc99e Initial load
duke
parents:
diff changeset
763 (char *)"thread", CMDID_THREADS, "Dump Info on all Threads",
a61af66fc99e Initial load
duke
parents:
diff changeset
764 (char *)0, CMDID_ILLEGAL
a61af66fc99e Initial load
duke
parents:
diff changeset
765 };
a61af66fc99e Initial load
duke
parents:
diff changeset
766
a61af66fc99e Initial load
duke
parents:
diff changeset
767
a61af66fc99e Initial load
duke
parents:
diff changeset
768 // get_debug_command()
a61af66fc99e Initial load
duke
parents:
diff changeset
769 //
a61af66fc99e Initial load
duke
parents:
diff changeset
770 // Read a command from standard input.
a61af66fc99e Initial load
duke
parents:
diff changeset
771 // This is useful when you have a debugger
a61af66fc99e Initial load
duke
parents:
diff changeset
772 // which doesn't support calling into functions.
a61af66fc99e Initial load
duke
parents:
diff changeset
773 //
a61af66fc99e Initial load
duke
parents:
diff changeset
774 void get_debug_command()
a61af66fc99e Initial load
duke
parents:
diff changeset
775 {
a61af66fc99e Initial load
duke
parents:
diff changeset
776 ssize_t count;
a61af66fc99e Initial load
duke
parents:
diff changeset
777 int i,j;
a61af66fc99e Initial load
duke
parents:
diff changeset
778 bool gotcommand;
a61af66fc99e Initial load
duke
parents:
diff changeset
779 intptr_t addr;
a61af66fc99e Initial load
duke
parents:
diff changeset
780 char buffer[256];
a61af66fc99e Initial load
duke
parents:
diff changeset
781 nmethod *nm;
a61af66fc99e Initial load
duke
parents:
diff changeset
782 methodOop m;
a61af66fc99e Initial load
duke
parents:
diff changeset
783
a61af66fc99e Initial load
duke
parents:
diff changeset
784 tty->print_cr("You have entered the diagnostic command interpreter");
a61af66fc99e Initial load
duke
parents:
diff changeset
785 tty->print("The supported commands are:\n");
a61af66fc99e Initial load
duke
parents:
diff changeset
786 for ( i=0; ; i++ ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
787 if ( CommandList[i].code == CMDID_ILLEGAL )
a61af66fc99e Initial load
duke
parents:
diff changeset
788 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
789 tty->print_cr(" %s \n", CommandList[i].name );
a61af66fc99e Initial load
duke
parents:
diff changeset
790 }
a61af66fc99e Initial load
duke
parents:
diff changeset
791
a61af66fc99e Initial load
duke
parents:
diff changeset
792 while ( 1 ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
793 gotcommand = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
794 tty->print("Please enter a command: ");
a61af66fc99e Initial load
duke
parents:
diff changeset
795 count = scanf("%s", buffer) ;
a61af66fc99e Initial load
duke
parents:
diff changeset
796 if ( count >=0 ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
797 for ( i=0; ; i++ ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
798 if ( CommandList[i].code == CMDID_ILLEGAL ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
799 if (!gotcommand) tty->print("Invalid command, please try again\n");
a61af66fc99e Initial load
duke
parents:
diff changeset
800 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
801 }
a61af66fc99e Initial load
duke
parents:
diff changeset
802 if ( strcmp(buffer, CommandList[i].name) == 0 ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
803 gotcommand = true;
a61af66fc99e Initial load
duke
parents:
diff changeset
804 switch ( CommandList[i].code ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
805 case CMDID_PS:
a61af66fc99e Initial load
duke
parents:
diff changeset
806 ps();
a61af66fc99e Initial load
duke
parents:
diff changeset
807 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
808 case CMDID_PSS:
a61af66fc99e Initial load
duke
parents:
diff changeset
809 pss();
a61af66fc99e Initial load
duke
parents:
diff changeset
810 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
811 case CMDID_PSF:
a61af66fc99e Initial load
duke
parents:
diff changeset
812 psf();
a61af66fc99e Initial load
duke
parents:
diff changeset
813 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
814 case CMDID_FINDM:
a61af66fc99e Initial load
duke
parents:
diff changeset
815 tty->print("Please enter the hex addr to pass to findm: ");
a61af66fc99e Initial load
duke
parents:
diff changeset
816 scanf("%I64X", &addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
817 m = (methodOop)findm(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
818 tty->print("findm(0x%I64X) returned 0x%I64X\n", addr, m);
a61af66fc99e Initial load
duke
parents:
diff changeset
819 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
820 case CMDID_FINDNM:
a61af66fc99e Initial load
duke
parents:
diff changeset
821 tty->print("Please enter the hex addr to pass to findnm: ");
a61af66fc99e Initial load
duke
parents:
diff changeset
822 scanf("%I64X", &addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
823 nm = (nmethod*)findnm(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
824 tty->print("findnm(0x%I64X) returned 0x%I64X\n", addr, nm);
a61af66fc99e Initial load
duke
parents:
diff changeset
825 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
826 case CMDID_PP:
a61af66fc99e Initial load
duke
parents:
diff changeset
827 tty->print("Please enter the hex addr to pass to pp: ");
a61af66fc99e Initial load
duke
parents:
diff changeset
828 scanf("%I64X", &addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
829 pp((void*)addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
830 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
831 case CMDID_EXIT:
a61af66fc99e Initial load
duke
parents:
diff changeset
832 exit(0);
a61af66fc99e Initial load
duke
parents:
diff changeset
833 case CMDID_HELP:
a61af66fc99e Initial load
duke
parents:
diff changeset
834 tty->print("Here are the supported commands: ");
a61af66fc99e Initial load
duke
parents:
diff changeset
835 for ( j=0; ; j++ ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
836 if ( CommandList[j].code == CMDID_ILLEGAL )
a61af66fc99e Initial load
duke
parents:
diff changeset
837 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
838 tty->print_cr(" %s -- %s\n", CommandList[j].name,
a61af66fc99e Initial load
duke
parents:
diff changeset
839 CommandList[j].description );
a61af66fc99e Initial load
duke
parents:
diff changeset
840 }
a61af66fc99e Initial load
duke
parents:
diff changeset
841 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
842 case CMDID_QUIT:
a61af66fc99e Initial load
duke
parents:
diff changeset
843 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
844 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
845 case CMDID_BPT:
a61af66fc99e Initial load
duke
parents:
diff changeset
846 BREAKPOINT;
a61af66fc99e Initial load
duke
parents:
diff changeset
847 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
848 case CMDID_VERIFY:
a61af66fc99e Initial load
duke
parents:
diff changeset
849 verify();;
a61af66fc99e Initial load
duke
parents:
diff changeset
850 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
851 case CMDID_THREADS:
a61af66fc99e Initial load
duke
parents:
diff changeset
852 threads();;
a61af66fc99e Initial load
duke
parents:
diff changeset
853 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
854 case CMDID_HSFIND:
a61af66fc99e Initial load
duke
parents:
diff changeset
855 tty->print("Please enter the hex addr to pass to hsfind: ");
a61af66fc99e Initial load
duke
parents:
diff changeset
856 scanf("%I64X", &addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
857 tty->print("Calling hsfind(0x%I64X)\n", addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
858 hsfind(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
859 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
860 default:
a61af66fc99e Initial load
duke
parents:
diff changeset
861 case CMDID_ILLEGAL:
a61af66fc99e Initial load
duke
parents:
diff changeset
862 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
863 }
a61af66fc99e Initial load
duke
parents:
diff changeset
864 }
a61af66fc99e Initial load
duke
parents:
diff changeset
865 }
a61af66fc99e Initial load
duke
parents:
diff changeset
866 }
a61af66fc99e Initial load
duke
parents:
diff changeset
867 }
a61af66fc99e Initial load
duke
parents:
diff changeset
868 }
a61af66fc99e Initial load
duke
parents:
diff changeset
869 #endif
a61af66fc99e Initial load
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870
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871 #endif // PRODUCT