Mercurial > hg > truffle
annotate src/share/vm/utilities/debug.hpp @ 3678:9482471a7dfa
IdealGraphVisualizer: add a workaround to fix layouting of the QuickSearch combobar with the GTK look and feel
author | Peter Hofer <peter.hofer@jku.at> |
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date | Mon, 21 Nov 2011 15:54:32 +0100 |
parents | 1d1603768966 |
children | aa3d708d67c4 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_UTILITIES_DEBUG_HPP |
26 #define SHARE_VM_UTILITIES_DEBUG_HPP | |
27 | |
2361 | 28 #include "prims/jvm.h" |
1972 | 29 #include "utilities/globalDefinitions.hpp" |
30 | |
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31 #include <stdarg.h> |
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32 |
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33 // Simple class to format the ctor arguments into a fixed-sized buffer. |
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34 template <size_t bufsz = 256> |
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35 class FormatBuffer { |
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36 public: |
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37 inline FormatBuffer(const char * format, ...); |
2152 | 38 inline void append(const char* format, ...); |
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39 operator const char *() const { return _buf; } |
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40 |
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41 private: |
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42 FormatBuffer(const FormatBuffer &); // prevent copies |
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43 |
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44 private: |
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45 char _buf[bufsz]; |
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46 }; |
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47 |
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48 template <size_t bufsz> |
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49 FormatBuffer<bufsz>::FormatBuffer(const char * format, ...) { |
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50 va_list argp; |
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51 va_start(argp, format); |
2361 | 52 jio_vsnprintf(_buf, bufsz, format, argp); |
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53 va_end(argp); |
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54 } |
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55 |
2152 | 56 template <size_t bufsz> |
57 void FormatBuffer<bufsz>::append(const char* format, ...) { | |
58 // Given that the constructor does a vsnprintf we can assume that | |
59 // _buf is already initialized. | |
60 size_t len = strlen(_buf); | |
61 char* buf_end = _buf + len; | |
62 | |
63 va_list argp; | |
64 va_start(argp, format); | |
2361 | 65 jio_vsnprintf(buf_end, bufsz - len, format, argp); |
2152 | 66 va_end(argp); |
67 } | |
68 | |
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69 // Used to format messages for assert(), guarantee(), fatal(), etc. |
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70 typedef FormatBuffer<> err_msg; |
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71 |
0 | 72 // assertions |
73 #ifdef ASSERT | |
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74 #ifndef USE_REPEATED_ASSERTS |
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75 #define assert(p, msg) \ |
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76 do { \ |
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77 if (!(p)) { \ |
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78 report_vm_error(__FILE__, __LINE__, "assert(" #p ") failed", msg); \ |
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79 BREAKPOINT; \ |
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80 } \ |
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81 } while (0) |
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82 #else // #ifndef USE_REPEATED_ASSERTS |
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83 #define assert(p, msg) |
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84 do { \ |
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85 for (int __i = 0; __i < AssertRepeat; __i++) { \ |
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86 if (!(p)) { \ |
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87 report_vm_error(__FILE__, __LINE__, "assert(" #p ") failed", msg); \ |
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88 BREAKPOINT; \ |
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89 } \ |
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90 } \ |
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91 } while (0) |
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92 #endif // #ifndef USE_REPEATED_ASSERTS |
0 | 93 |
94 // This version of assert is for use with checking return status from | |
95 // library calls that return actual error values eg. EINVAL, | |
96 // ENOMEM etc, rather than returning -1 and setting errno. | |
97 // When the status is not what is expected it is very useful to know | |
98 // what status was actually returned, so we pass the status variable as | |
99 // an extra arg and use strerror to convert it to a meaningful string | |
100 // like "Invalid argument", "out of memory" etc | |
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101 #define assert_status(p, status, msg) \ |
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102 do { \ |
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103 if (!(p)) { \ |
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104 report_vm_error(__FILE__, __LINE__, "assert(" #p ") failed", \ |
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105 err_msg("error %s(%d) %s", strerror(status), \ |
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106 status, msg)); \ |
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107 BREAKPOINT; \ |
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108 } \ |
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109 } while (0) |
0 | 110 |
111 // Do not assert this condition if there's already another error reported. | |
112 #define assert_if_no_error(cond,msg) assert((cond) || is_error_reported(), msg) | |
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113 #else // #ifdef ASSERT |
0 | 114 #define assert(p,msg) |
115 #define assert_status(p,status,msg) | |
116 #define assert_if_no_error(cond,msg) | |
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117 #endif // #ifdef ASSERT |
0 | 118 |
119 // guarantee is like assert except it's always executed -- use it for | |
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120 // cheap tests that catch errors that would otherwise be hard to find. |
0 | 121 // guarantee is also used for Verify options. |
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122 #define guarantee(p, msg) \ |
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123 do { \ |
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124 if (!(p)) { \ |
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125 report_vm_error(__FILE__, __LINE__, "guarantee(" #p ") failed", msg); \ |
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126 BREAKPOINT; \ |
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127 } \ |
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128 } while (0) |
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129 |
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130 #define fatal(msg) \ |
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131 do { \ |
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132 report_fatal(__FILE__, __LINE__, msg); \ |
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133 BREAKPOINT; \ |
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134 } while (0) |
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135 |
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136 // out of memory |
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137 #define vm_exit_out_of_memory(size, msg) \ |
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138 do { \ |
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139 report_vm_out_of_memory(__FILE__, __LINE__, size, msg); \ |
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140 BREAKPOINT; \ |
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141 } while (0) |
0 | 142 |
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143 #define ShouldNotCallThis() \ |
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144 do { \ |
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145 report_should_not_call(__FILE__, __LINE__); \ |
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146 BREAKPOINT; \ |
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147 } while (0) |
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148 |
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149 #define ShouldNotReachHere() \ |
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150 do { \ |
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151 report_should_not_reach_here(__FILE__, __LINE__); \ |
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152 BREAKPOINT; \ |
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153 } while (0) |
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154 |
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155 #define Unimplemented() \ |
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156 do { \ |
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157 report_unimplemented(__FILE__, __LINE__); \ |
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158 BREAKPOINT; \ |
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159 } while (0) |
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160 |
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161 #define Untested(msg) \ |
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162 do { \ |
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163 report_untested(__FILE__, __LINE__, msg); \ |
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164 BREAKPOINT; \ |
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165 } while (0); |
0 | 166 |
167 // error reporting helper functions | |
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168 void report_vm_error(const char* file, int line, const char* error_msg, |
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169 const char* detail_msg = NULL); |
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170 void report_fatal(const char* file, int line, const char* message); |
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171 void report_vm_out_of_memory(const char* file, int line, size_t size, |
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172 const char* message); |
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173 void report_should_not_call(const char* file, int line); |
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174 void report_should_not_reach_here(const char* file, int line); |
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175 void report_unimplemented(const char* file, int line); |
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176 void report_untested(const char* file, int line, const char* message); |
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177 |
0 | 178 void warning(const char* format, ...); |
179 | |
2177
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180 // out of shared space reporting |
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181 enum SharedSpaceType { |
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182 SharedPermGen, |
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183 SharedReadOnly, |
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184 SharedReadWrite, |
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185 SharedMiscData |
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186 }; |
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187 |
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188 void report_out_of_shared_space(SharedSpaceType space_type); |
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189 |
0 | 190 // out of memory reporting |
191 void report_java_out_of_memory(const char* message); | |
192 | |
193 // Support for self-destruct | |
194 bool is_error_reported(); | |
195 void set_error_reported(); | |
196 | |
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197 /* Test assert(), fatal(), guarantee(), etc. */ |
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198 NOT_PRODUCT(void test_error_handler(size_t test_num);) |
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199 |
0 | 200 void pd_ps(frame f); |
201 void pd_obfuscate_location(char *buf, size_t buflen); | |
1972 | 202 |
203 #endif // SHARE_VM_UTILITIES_DEBUG_HPP |