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annotate lphobos/gc/gcstub.d @ 94:61615fa85940 trunk

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[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca"). Added support for array .sort and .reverse properties. Fixed some bugs with pointer arithmetic. Disabled some DMD AST optimizations that was messing things up, destroying valuable information. Added a KDevelop project file, this is what I use for coding LLVMDC now :) Other minor stuff.
author lindquist
date Mon, 12 Nov 2007 06:32:46 +0100
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94
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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1 /*
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2 * Copyright (C) 2004 by Digital Mars, www.digitalmars.com
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3 * Written by Walter Bright
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4 *
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5 * This software is provided 'as-is', without any express or implied
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6 * warranty. In no event will the authors be held liable for any damages
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7 * arising from the use of this software.
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8 *
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9 * Permission is granted to anyone to use this software for any purpose,
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10 * including commercial applications, and to alter it and redistribute it
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11 * freely, subject to the following restrictions:
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12 *
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13 * o The origin of this software must not be misrepresented; you must not
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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14 * claim that you wrote the original software. If you use this software
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15 * in a product, an acknowledgment in the product documentation would be
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16 * appreciated but is not required.
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17 * o Altered source versions must be plainly marked as such, and must not
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18 * be misrepresented as being the original software.
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19 * o This notice may not be removed or altered from any source
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20 * distribution.
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21 */
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22
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23 // D Garbage Collector stub to prevent linking in gc
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24
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25 module gcx;
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26
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27 //debug=PRINTF;
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28
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29 /***************************************************/
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30
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31 import object;
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32
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33 version (Win32)
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34 {
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35 import win32;
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36 }
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37
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38 version (linux)
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39 {
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40 import gclinux;
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41 }
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42
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43
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44 //alias GC* gc_t;
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45 alias GC gc_t;
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46
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47 struct GCStats { }
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48
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49 /* ============================ GC =============================== */
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50
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51
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52 //alias int size_t;
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53 alias void (*GC_FINALIZER)(void *p, void *dummy);
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54
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55 const uint GCVERSION = 1; // increment every time we change interface
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56 // to GC.
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57
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58 class GC
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59 {
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60 uint gcversion = GCVERSION;
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61
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62 void *gcx; // implementation
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63
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64 void initialize()
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65 {
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66 debug(PRINTF) printf("initialize()\n");
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67 }
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68
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69
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70 void Dtor()
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71 {
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72 debug(PRINTF) printf("Dtor()\n");
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73 }
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74
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75 /+invariant
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76 {
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77 debug(PRINTF) printf("invariant()\n");
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78 }+/
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79
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80 void *malloc(size_t size)
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81 {
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82 debug(PRINTF) printf("malloc()\n");
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83 return null;
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84 }
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85
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86 void *mallocNoSync(size_t size)
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87 {
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88 debug(PRINTF) printf("mallocNoSync()\n");
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89 return null;
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90 }
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91
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92
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93 void *calloc(size_t size, size_t n)
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94 {
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95 debug(PRINTF) printf("calloc()\n");
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96 return null;
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97 }
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98
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99
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100 void *realloc(void *p, size_t size)
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101 {
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102 debug(PRINTF) printf("realloc()\n");
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103 return null;
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104 }
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105
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106
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107 void free(void *p)
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108 {
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109 debug(PRINTF) printf("free()\n");
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110 }
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111
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112 size_t capacity(void *p)
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113 {
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114 debug(PRINTF) printf("capacity()\n");
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115 return 0;
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116 }
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117
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118 void check(void *p)
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119 {
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120 debug(PRINTF) printf("check()\n");
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121 }
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122
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123
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124 void setStackBottom(void *p)
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125 {
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126 debug(PRINTF) printf("setStackBottom()\n");
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127 }
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128
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129 static void scanStaticData(gc_t g)
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130 {
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131 void *pbot;
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132 void *ptop;
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133 uint nbytes;
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134
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135 debug(PRINTF) printf("scanStaticData()\n");
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136 //debug(PRINTF) printf("+GC.scanStaticData()\n");
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137 os_query_staticdataseg(&pbot, &nbytes);
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138 ptop = pbot + nbytes;
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139 g.addRange(pbot, ptop);
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140 //debug(PRINTF) printf("-GC.scanStaticData()\n");
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141 }
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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142
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143 static void unscanStaticData(gc_t g)
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144 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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145 void *pbot;
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146 uint nbytes;
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147
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148 debug(PRINTF) printf("unscanStaticData()\n");
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149 os_query_staticdataseg(&pbot, &nbytes);
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150 g.removeRange(pbot);
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151 }
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152
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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153
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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154 void addRoot(void *p) // add p to list of roots
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155 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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156 debug(PRINTF) printf("addRoot()\n");
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157 }
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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158
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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159 void removeRoot(void *p) // remove p from list of roots
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160 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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161 debug(PRINTF) printf("removeRoot()\n");
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162 }
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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163
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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164 void addRange(void *pbot, void *ptop) // add range to scan for roots
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165 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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166 debug(PRINTF) printf("addRange()\n");
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167 }
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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168
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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169 void removeRange(void *pbot) // remove range
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170 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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171 debug(PRINTF) printf("removeRange()\n");
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172 }
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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173
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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174 void fullCollect() // do full garbage collection
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175 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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176 debug(PRINTF) printf("fullCollect()\n");
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177 }
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178
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179 void fullCollectNoStack() // do full garbage collection
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180 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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181 debug(PRINTF) printf("fullCollectNoStack()\n");
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182 }
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183
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184 void genCollect() // do generational garbage collection
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185 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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186 debug(PRINTF) printf("genCollect()\n");
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187 }
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188
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189 void minimize() // minimize physical memory usage
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190 {
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191 debug(PRINTF) printf("minimize()\n");
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192 }
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193
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194 void setFinalizer(void *p, GC_FINALIZER pFn)
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195 {
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196 debug(PRINTF) printf("setFinalizer()\n");
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197 }
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198
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199 void enable()
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200 {
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201 debug(PRINTF) printf("enable()\n");
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202 }
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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203
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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204 void disable()
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205 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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206 debug(PRINTF) printf("disable()\n");
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207 }
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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208
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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209 void getStats(out GCStats stats)
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210 {
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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211 debug(PRINTF) printf("getStats()\n");
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212 }
61615fa85940 [svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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213 }