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annotate runtime/internal/memory.d @ 1151:3cf0066e6faf

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- Versioned Expresssion::toElem with #if IN_DMD/IN_LLVM. - Eliminated the DLRValue DValue. - Implemented proactive handling of l-value CastExpS. - Minor tweak in runtime memory.d .
author Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
date Sat, 28 Mar 2009 05:00:43 +0100
parents bd000a7fab18
children 4a5eea0334e5
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443
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1 /**
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2 * This module exposes functionality for inspecting and manipulating memory.
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3 *
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4 * Copyright: Copyright (C) 2005-2006 Digital Mars, www.digitalmars.com.
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5 * All rights reserved.
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6 * License:
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7 * This software is provided 'as-is', without any express or implied
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8 * warranty. In no event will the authors be held liable for any damages
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9 * arising from the use of this software.
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10 *
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11 * Permission is granted to anyone to use this software for any purpose,
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12 * including commercial applications, and to alter it and redistribute it
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13 * freely, in both source and binary form, subject to the following
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14 * restrictions:
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15 *
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16 * o The origin of this software must not be misrepresented; you must not
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17 * claim that you wrote the original software. If you use this software
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18 * in a product, an acknowledgment in the product documentation would be
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19 * appreciated but is not required.
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20 * o Altered source versions must be plainly marked as such, and must not
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21 * be misrepresented as being the original software.
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22 * o This notice may not be removed or altered from any source
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23 * distribution.
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24 * Authors: Walter Bright, Sean Kelly
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25 */
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26 module memory;
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27
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28 version = GC_Use_Dynamic_Ranges;
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29
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30 version(darwin)
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31 {
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32 version = GC_Use_Data_Dyld;
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33 version = GC_Use_Dynamic_Ranges;
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34 }
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35 else version(Posix)
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36 {
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37 version = GC_Use_Data_Proc_Maps;
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38 }
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39 else version(solaris)
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40 {
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41 version = GC_Use_Data_Proc_Maps;
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42 }
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43
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44 version(GC_Use_Data_Proc_Maps)
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45 {
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46 version(Posix) {} else {
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47 static assert(false, "Proc Maps only supported on Posix systems");
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48 }
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49 private import tango.stdc.posix.unistd;
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50 private import tango.stdc.posix.fcntl;
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51 private import tango.stdc.string;
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52
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53 version = GC_Use_Dynamic_Ranges;
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54 }
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55
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56 private
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57 {
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58 version( linux )
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59 {
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60 //version = SimpleLibcStackEnd;
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61
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62 version( SimpleLibcStackEnd )
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63 {
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64 extern (C) extern void* __libc_stack_end;
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65 }
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66 else
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67 {
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68 import tango.stdc.posix.dlfcn;
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69 }
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70 }
1151
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71 pragma(intrinsic, "llvm.frameaddress")
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72 {
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73 void* llvm_frameaddress(uint level=0);
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74 }
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75 }
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76
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77
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78 /**
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79 *
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80 */
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81
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82 version( solaris ) {
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83 version(X86_64) {
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84 extern (C) void* _userlimit;
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85 }
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86 }
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87
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88 extern (C) void* rt_stackBottom()
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89 {
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90 version( Win32 )
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91 {
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92 void* bottom;
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93 asm
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94 {
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95 mov EAX, FS:4;
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96 mov bottom, EAX;
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97 }
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98 return bottom;
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99 }
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100 else version( linux )
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101 {
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102 version( SimpleLibcStackEnd )
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103 {
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104 return __libc_stack_end;
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105 }
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106 else
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107 {
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108 // See discussion: http://autopackage.org/forums/viewtopic.php?t=22
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109 static void** libc_stack_end;
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110
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111 if( libc_stack_end == libc_stack_end.init )
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112 {
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113 void* handle = dlopen( null, RTLD_NOW );
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114 libc_stack_end = cast(void**) dlsym( handle, "__libc_stack_end" );
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115 dlclose( handle );
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116 }
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117 return *libc_stack_end;
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118 }
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119 }
558
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120 else version( darwin )
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121 {
559
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122 // darwin has a fixed stack bottom
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123 return cast(void*) 0xc0000000;
558
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124 }
872
aa953cc960b6 Apply BlueZeniX's patch for OpenSolaris compatibility. Fixes #158.
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125 else version( solaris )
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126 {
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127 version(X86_64) {
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128 return _userlimit;
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129 }
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130 else {
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131 // <sys/vmparam.h>
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132 return cast(void*) 0x8048000;
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133 }
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134 }
443
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135 else
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136 {
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137 static assert( false, "Operating system not supported." );
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138 }
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139 }
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140
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141
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142 /**
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143 *
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144 */
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145 extern (C) void* rt_stackTop()
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146 {
1151
3cf0066e6faf - Versioned Expresssion::toElem with #if IN_DMD/IN_LLVM.
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147 version( D_InlineAsm_X86 )
443
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148 {
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149 asm
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150 {
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151 naked;
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152 mov EAX, ESP;
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153 ret;
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154 }
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155 }
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156 else
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157 {
1151
3cf0066e6faf - Versioned Expresssion::toElem with #if IN_DMD/IN_LLVM.
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158 return llvm_frameaddress();
443
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159 }
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160 }
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161
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162
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163 private
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164 {
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165 version( Win32 )
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166 {
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167 extern (C)
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168 {
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169 extern int _data_start__;
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170 extern int _bss_end__;
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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171 }
443
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
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172
900
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173 alias _data_start__ Data_Start;
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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174 alias _bss_end__ Data_End;
443
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175 }
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176 else version( linux )
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177 {
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178 extern (C)
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179 {
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180 extern int _data;
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181 extern int __data_start;
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182 extern int _end;
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183 extern int _data_start__;
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184 extern int _data_end__;
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185 extern int _bss_start__;
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186 extern int _bss_end__;
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187 extern int __fini_array_end;
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188 }
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189
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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190 alias __data_start Data_Start;
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191 alias _end Data_End;
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192 }
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193 else version( solaris )
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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diff changeset
194 {
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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195 extern(C)
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diff changeset
196 {
903
493d42562733 Further Solaris data segment detection fixes. Thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 900
diff changeset
197 extern int _environ;
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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198 extern int _end;
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199 }
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200
903
493d42562733 Further Solaris data segment detection fixes. Thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 900
diff changeset
201 alias _environ Data_Start;
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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diff changeset
202 alias _end Data_End;
443
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203 }
577
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
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204
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205 version( GC_Use_Dynamic_Ranges )
558
02fb65cddc3e Merge rest of patch from #72.
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206 {
577
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207 private import tango.stdc.stdlib;
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208
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209 struct DataSeg
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210 {
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211 void* beg;
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212 void* end;
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213 }
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214
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215 DataSeg* allSegs = null;
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diff changeset
216 size_t numSegs = 0;
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diff changeset
217
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218 extern (C) void _d_gc_add_range( void* beg, void* end )
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219 {
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220 void* ptr = realloc( allSegs, (numSegs + 1) * DataSeg.sizeof );
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221
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diff changeset
222 if( ptr ) // if realloc fails, we have problems
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223 {
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224 allSegs = cast(DataSeg*) ptr;
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225 allSegs[numSegs].beg = beg;
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226 allSegs[numSegs].end = end;
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227 numSegs++;
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diff changeset
228 }
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diff changeset
229 }
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diff changeset
230
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231 extern (C) void _d_gc_remove_range( void* beg )
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232 {
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233 for( size_t pos = 0; pos < numSegs; ++pos )
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234 {
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diff changeset
235 if( beg == allSegs[pos].beg )
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diff changeset
236 {
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diff changeset
237 while( ++pos < numSegs )
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diff changeset
238 {
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239 allSegs[pos-1] = allSegs[pos];
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240 }
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241 numSegs--;
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242 return;
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243 }
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244 }
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245 }
558
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246 }
443
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247
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248 alias void delegate( void*, void* ) scanFn;
577
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249
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250 void* dataStart, dataEnd;
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251 }
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252
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253
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254 /**
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255 *
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256 */
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257 extern (C) void rt_scanStaticData( scanFn scan )
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258 {
577
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259 scan( dataStart, dataEnd );
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260
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261 version( GC_Use_Dynamic_Ranges )
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262 {
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263 for( size_t pos = 0; pos < numSegs; ++pos )
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264 {
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265 scan( allSegs[pos].beg, allSegs[pos].end );
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266 }
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267 }
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268 }
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269
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270 void initStaticDataPtrs()
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271 {
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272 const int S = (void*).sizeof;
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273
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274 // Can't assume the input addresses are word-aligned
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275 static void* adjust_up( void* p )
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276 {
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277 return p + ((S - (cast(size_t)p & (S-1))) & (S-1)); // cast ok even if 64-bit
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278 }
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279
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280 static void * adjust_down( void* p )
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281 {
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282 return p - (cast(size_t) p & (S-1));
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283 }
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284
443
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285 version( Win32 )
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286 {
577
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287 dataStart = adjust_up( &Data_Start );
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288 dataEnd = adjust_down( &Data_End );
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289 }
899
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290 else version(linux)
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291 {
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292 dataStart = adjust_up( &Data_Start );
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293 dataEnd = adjust_down( &Data_End );
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294 }
900
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295 else version(solaris)
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296 {
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297 dataStart = adjust_up( &Data_Start );
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298 dataEnd = adjust_down( &Data_End );
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299 }
905
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
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300 else version(GC_Use_Data_Dyld)
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301 {
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302 _d_dyld_start();
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303 }
899
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
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304 else
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305 {
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Christian Kamm <kamm incasoftware de>
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306 static assert( false, "Operating system not supported." );
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307 }
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308
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309 version( GC_Use_Data_Proc_Maps )
443
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310 {
900
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311 parseDataProcMaps();
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312 }
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313 }
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314
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315 version( GC_Use_Data_Proc_Maps )
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316 {
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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317 version(solaris)
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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318 {
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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diff changeset
319 typedef long offset_t;
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Christian Kamm <kamm incasoftware de>
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320 enum : uint { PRMAPSZ = 64, MA_WRITE = 0x02 }
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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diff changeset
321 extern(C)
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
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322 {
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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diff changeset
323 struct prmap {
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
324 uintptr_t pr_vaddr; /* virtual address of mapping */
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
325 size_t pr_size; /* size of mapping in bytes */
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
326 char[PRMAPSZ] pr_mapname; /* name in /proc/<pid>/object */
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
327 private offset_t pr_offset; /* offset into mapped object, if any */
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
328 int pr_mflags; /* protection and attribute flags (see below) */
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
329 int pr_pagesize; /* pagesize (bytes) for this mapping */
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
330 int pr_shmid; /* SysV shmid, -1 if not SysV shared memory */
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
331
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
332 private int[1] pr_filler;
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
333 }
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
334 }
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
335
903
493d42562733 Further Solaris data segment detection fixes. Thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 900
diff changeset
336 debug (ProcMaps) extern (C) int printf(char*, ...);
493d42562733 Further Solaris data segment detection fixes. Thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 900
diff changeset
337
900
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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diff changeset
338 void parseDataProcMaps()
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
339 {
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
340 debug (ProcMaps) printf("initStaticDataPtrs()\n");
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
341 // http://docs.sun.com/app/docs/doc/816-5174/proc-4
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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diff changeset
342 prmap pr;
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
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343
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
344 int fd = open("/proc/self/map", O_RDONLY);
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
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345 scope (exit) close(fd);
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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346
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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diff changeset
347 while (prmap.sizeof == read(fd, &pr, prmap.sizeof))
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
348 if (pr.pr_mflags & MA_WRITE)
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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349 {
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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diff changeset
350 void* start = cast(void*) pr.pr_vaddr;
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
351 void* end = cast(void*)(pr.pr_vaddr + pr.pr_size);
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
352 debug (ProcMaps) printf(" vmem at %p - %p with size %d bytes\n", start, end, pr.pr_size);
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
353
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
354 // Exclude stack and dataStart..dataEnd
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
355 if ( ( !dataEnd ||
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
356 !( dataStart >= start && dataEnd <= end ) ) &&
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
357 !( &pr >= start && &pr < end ) )
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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diff changeset
358 {
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
359 // we already have static data from this region. anything else
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
360 // is heap (%% check)
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
361 debug (ProcMaps) printf(" Adding map range %p - %p\n", start, end);
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
362 _d_gc_add_range(start, end);
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
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diff changeset
363 }
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
364 }
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
365 }
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
366 }
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
367 else
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
368 {
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
369 const int S = (void*).sizeof;
177afbf5297b Solaris compatibility and proc map parsing #183, thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 899
diff changeset
370
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371 // TODO: This could use cleanup!
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372 void parseDataProcMaps()
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373 {
577
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374 // TODO: Exclude zero-mapped regions
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375
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diff changeset
376 int fd = open("/proc/self/maps", O_RDONLY);
794
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377 ptrdiff_t count; // %% need to configure ret for read..
577
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378 char buf[2024];
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379 char* p;
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380 char* e;
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381 char* s;
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382 void* start;
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diff changeset
383 void* end;
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384
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diff changeset
385 p = buf.ptr;
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parents: 559
diff changeset
386 if (fd != -1)
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387 {
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diff changeset
388 while ( (count = read(fd, p, buf.sizeof - (p - buf.ptr))) > 0 )
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diff changeset
389 {
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diff changeset
390 e = p + count;
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391 p = buf.ptr;
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diff changeset
392 while (true)
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393 {
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394 s = p;
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diff changeset
395 while (p < e && *p != '\n')
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396 p++;
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397 if (p < e)
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Christian Kamm <kamm incasoftware de>
parents: 559
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398 {
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Christian Kamm <kamm incasoftware de>
parents: 559
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399 // parse the entry in [s, p)
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parents: 559
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400 static if( S == 4 )
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Christian Kamm <kamm incasoftware de>
parents: 559
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401 {
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parents: 559
diff changeset
402 enum Ofs
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Christian Kamm <kamm incasoftware de>
parents: 559
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403 {
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Christian Kamm <kamm incasoftware de>
parents: 559
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404 Write_Prot = 19,
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Christian Kamm <kamm incasoftware de>
parents: 559
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405 Start_Addr = 0,
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Christian Kamm <kamm incasoftware de>
parents: 559
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406 End_Addr = 9,
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Christian Kamm <kamm incasoftware de>
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407 Addr_Len = 8,
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Christian Kamm <kamm incasoftware de>
parents: 559
diff changeset
408 }
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parents: 559
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409 }
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Christian Kamm <kamm incasoftware de>
parents: 559
diff changeset
410 else static if( S == 8 )
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Christian Kamm <kamm incasoftware de>
parents: 559
diff changeset
411 {
899
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
412 //X86-64 only has 12 bytes address space(in PAE mode) - not 16
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
413 //We also need the 32 bit offsets for 32 bit apps
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
414 version(X86_64) {
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
415 enum Ofs
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
416 {
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
417 Write_Prot = 27,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
418 Start_Addr = 0,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
419 End_Addr = 13,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
420 Addr_Len = 12,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
421 Write_Prot_32 = 19,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
422 Start_Addr_32 = 0,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
423 End_Addr_32 = 9,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
424 Addr_Len_32 = 8,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
425 }
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
426 }
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
427 else
577
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diff changeset
428 {
899
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
429 enum Ofs
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
430 {
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
431 Write_Prot = 35,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
432 Start_Addr = 0,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
433 End_Addr = 9,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
434 Addr_Len = 17,
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
435 }
577
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436 }
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parents: 559
diff changeset
437 }
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parents: 559
diff changeset
438 else
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parents: 559
diff changeset
439 {
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parents: 559
diff changeset
440 static assert( false );
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parents: 559
diff changeset
441 }
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parents: 559
diff changeset
442
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parents: 559
diff changeset
443 // %% this is wrong for 64-bit:
899
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
444 // long strtoul(const char*,char**,int);
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
445 // but seems to work on x86-64:
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
446 // probably because C's long is 64 bit there
577
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447
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diff changeset
448 if( s[Ofs.Write_Prot] == 'w' )
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parents: 559
diff changeset
449 {
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parents: 559
diff changeset
450 s[Ofs.Start_Addr + Ofs.Addr_Len] = '\0';
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parents: 559
diff changeset
451 s[Ofs.End_Addr + Ofs.Addr_Len] = '\0';
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parents: 559
diff changeset
452 start = cast(void*) strtoul(s + Ofs.Start_Addr, null, 16);
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parents: 559
diff changeset
453 end = cast(void*) strtoul(s + Ofs.End_Addr, null, 16);
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
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parents: 559
diff changeset
454
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parents: 559
diff changeset
455 // 1. Exclude anything overlapping [dataStart, dataEnd)
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parents: 559
diff changeset
456 // 2. Exclude stack
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parents: 559
diff changeset
457 if ( ( !dataEnd ||
899
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
458 !( dataStart >= start && dataEnd <= end ) ) &&
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
459 !( &buf[0] >= start && &buf[0] < end ) )
577
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parents: 559
diff changeset
460 {
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parents: 559
diff changeset
461 // we already have static data from this region. anything else
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parents: 559
diff changeset
462 // is heap (%% check)
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diff changeset
463 debug (ProcMaps) printf("Adding map range %p 0%p\n", start, end);
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parents: 559
diff changeset
464 _d_gc_add_range(start, end);
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parents: 559
diff changeset
465 }
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Christian Kamm <kamm incasoftware de>
parents: 559
diff changeset
466 }
899
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
467 version(X86_64)
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
468 {
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
469 //We need to check here for 32 bit apps like ldc produces
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
470 //and add them to the gc scan range
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
471 if( s[Ofs.Write_Prot_32] == 'w' )
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
472 {
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
473 s[Ofs.Start_Addr_32 + Ofs.Addr_Len_32] = '\0';
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
474 s[Ofs.End_Addr_32 + Ofs.Addr_Len_32] = '\0';
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
475 start = cast(void*) strtoul(s + Ofs.Start_Addr_32, null, 16);
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
476 end = cast(void*) strtoul(s + Ofs.End_Addr_32, null, 16);
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
477 if ( ( !dataEnd ||
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
478 !( dataStart >= start && dataEnd <= end ) ) &&
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
479 !( &buf[0] >= start && &buf[0] < end ) )
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
480 {
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
481 _d_gc_add_range(start, end);
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
482 }
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
483 }
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
484 }
23d36edea021 Add wilsonk's static data segment finding code for x86-64 from #181. Thanks!
Christian Kamm <kamm incasoftware de>
parents: 894
diff changeset
485
577
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diff changeset
486 p++;
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
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parents: 559
diff changeset
487 }
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parents: 559
diff changeset
488 else
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
Christian Kamm <kamm incasoftware de>
parents: 559
diff changeset
489 {
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
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parents: 559
diff changeset
490 count = p - s;
794
661384d6a936 Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents: 664
diff changeset
491 memmove(buf.ptr, s, cast(size_t)count);
577
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parents: 559
diff changeset
492 p = buf.ptr + count;
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
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parents: 559
diff changeset
493 break;
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
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parents: 559
diff changeset
494 }
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parents: 559
diff changeset
495 }
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
Christian Kamm <kamm incasoftware de>
parents: 559
diff changeset
496 }
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
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parents: 559
diff changeset
497 close(fd);
68be7408a0db Merge Dynamic_Ranges and Data_Proc_Maps from GDC runtime.
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parents: 559
diff changeset
498 }
443
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
499 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
500 }
903
493d42562733 Further Solaris data segment detection fixes. Thanks BlueZeniX!
Christian Kamm <kamm incasoftware de>
parents: 900
diff changeset
501 }
905
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
502
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
503 /*
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
504 * GDC dyld memory module:
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
505 * http://www.dsource.org/projects/tango/browser/trunk/lib/compiler/gdc/memory_dyld.c
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
506 * Port to the D programming language: Jacob Carlborg
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
507 */
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
508 version (GC_Use_Data_Dyld)
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
509 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
510 private
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
511 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
512 const char* SEG_DATA = "__DATA".ptr;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
513 const char* SECT_DATA = "__data".ptr;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
514 const char* SECT_BSS = "__bss".ptr;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
515 const char* SECT_COMMON = "__common".ptr;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
516
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
517 struct SegmentSection
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
518 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
519 const char* segment;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
520 const char* section;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
521 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
522
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
523 struct mach_header
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
524 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
525 uint magic;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
526 int cputype;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
527 int cpusubtype;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
528 uint filetype;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
529 uint ncmds;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
530 uint sizeofcmds;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
531 uint flags;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
532 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
533
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
534 struct section
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
535 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
536 char[16] sectname;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
537 char[16] segname;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
538 uint addr;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
539 uint size;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
540 uint offset;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
541 uint align_;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
542 uint reloff;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
543 uint nreloc;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
544 uint flags;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
545 uint reserved1;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
546 uint reserved2;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
547 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
548
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
549 alias extern (C) void function (mach_header* mh, ptrdiff_t vmaddr_slide) DyldFuncPointer;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
550
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
551 extern (C) /*const*/ section* getsectbynamefromheader(/*const*/ mach_header* mhp, /*const*/ char* segname, /*const*/ char* sectname);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
552 extern (C) void _dyld_register_func_for_add_image(DyldFuncPointer func);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
553 extern (C) void _dyld_register_func_for_remove_image(DyldFuncPointer func);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
554
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
555 const SegmentSection[3] GC_dyld_sections = [SegmentSection(SEG_DATA, SECT_DATA), SegmentSection(SEG_DATA, SECT_BSS), SegmentSection(SEG_DATA, SECT_COMMON)];
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
556
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
557 extern (C) void on_dyld_add_image (/*const*/ mach_header* hdr, ptrdiff_t slide)
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
558 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
559 void* start;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
560 void* end;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
561 /*const*/ section* sec;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
562
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
563 foreach (s ; GC_dyld_sections)
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
564 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
565 sec = getsectbynamefromheader(hdr, s.segment, s.section);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
566
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
567 if (sec == null || sec.size == 0)
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
568 continue;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
569
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
570 start = cast(void*) (sec.addr + slide);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
571 end = cast(void*) (start + sec.size);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
572
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
573 _d_gc_add_range(start, end);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
574 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
575 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
576
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
577 extern (C) void on_dyld_remove_image (/*const*/ mach_header* hdr, ptrdiff_t slide)
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
578 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
579 void* start;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
580 void* end;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
581 /*const*/ section* sec;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
582
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
583 foreach (s ; GC_dyld_sections)
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
584 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
585 sec = getsectbynamefromheader(hdr, s.segment, s.section);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
586
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
587 if (sec == null || sec.size == 0)
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
588 continue;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
589
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
590 start = cast(void*) (sec.addr + slide);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
591 end = cast(void*) (start + sec.size);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
592
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
593 _d_gc_remove_range(start);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
594 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
595 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
596
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
597 void _d_dyld_start ()
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
598 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
599 static bool started;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
600
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
601 if (!started)
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
602 {
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
603 started = true;
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
604
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
605 _dyld_register_func_for_add_image(&on_dyld_add_image);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
606 _dyld_register_func_for_remove_image(&on_dyld_remove_image);
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
607 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
608 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
609 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
610 }
bd000a7fab18 Applied doob's patch to port GDC's Dyld data segment tracking for Mac.
Christian Kamm <kamm incasoftware de>
parents: 903
diff changeset
611