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SWITCHED TO LLVM 2.5 ! Applied patch from ticket #129 to compile against latest LLVM. Thanks Frits van Bommel. Fixed implicit return by asm block at the end of a function on x86-32. Other architectures will produce an error at the moment. Adding support for new targets is fairly simple. Fixed return calling convention for complex numbers, ST and ST(1) were switched around. Added some testcases. I've run a dstress test and there are no regressions. However, the runtime does not seem to compile with symbolic debug information. -O3 -release -inline works well and is what I used for the dstress run. Tango does not compile, a small workaround is needed in tango.io.digest.Digest.Digest.hexDigest. See ticket #206 .
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Sun, 08 Feb 2009 05:26:54 +0100
parents f04dde6e882c
children 638d16625da2
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1
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2 /* Copyright (c) 2000 Digital Mars */
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3 /* All Rights Reserved */
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4
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5 #include <cstdio>
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6 #include <cstdlib>
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7 #include <cstring>
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8 #include <cassert>
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9
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10 #include "mem.h"
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12 #if USE_BOEHM_GC
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13 // I needed to perfix the dir after upgrading to gc 7.0
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14 #include "gc/gc.h"
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15 #endif
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16
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17 /* This implementation of the storage allocator uses the standard C allocation package.
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18 */
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19
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20 Mem mem;
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21
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22 #if USE_BOEHM_GC
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23
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24 static bool gc_was_init = false;
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25
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26 void Mem::init()
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27 {
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28 GC_init();
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29 gc_was_init = true;
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30 }
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31
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32 char *Mem::strdup(const char *s)
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33 {
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34 char *p;
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35
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36 if (s)
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37 {
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38 p = GC_strdup(s);
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39 if (p)
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40 return p;
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41 error();
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42 }
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43 return NULL;
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44 }
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46 void *Mem::malloc(size_t size)
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47 { void *p;
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48
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49 if (!size)
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50 p = NULL;
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51 else
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52 {
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53 p = GC_malloc(size);
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54 if (!p)
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55 error();
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56 }
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57 return p;
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58 }
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59
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60 void *Mem::calloc(size_t size, size_t n)
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61 { void *p;
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62
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63 if (!size || !n)
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64 p = NULL;
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65 else
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66 {
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67 p = GC_malloc(size * n);
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68 if (!p)
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69 error();
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70 memset(p, 0, size * n);
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71 }
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72 return p;
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73 }
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74
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75 void *Mem::realloc(void *p, size_t size)
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76 {
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77 if (!size)
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78 { if (p)
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79 { GC_free(p);
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80 p = NULL;
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81 }
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82 }
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83 else if (!p)
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84 {
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85 p = GC_malloc(size);
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86 if (!p)
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87 error();
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88 }
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89 else
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90 {
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91 p = GC_realloc(p, size);
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92 if (!p)
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93 error();
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94 }
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95 return p;
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96 }
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97
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98 void Mem::free(void *p)
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99 {
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100 if (p)
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101 GC_free(p);
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102 }
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103
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104 void *Mem::mallocdup(void *o, size_t size)
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105 { void *p;
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106
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107 if (!size)
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108 p = NULL;
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109 else
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110 {
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111 p = GC_malloc(size);
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112 if (!p)
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113 error();
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114 else
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115 memcpy(p,o,size);
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116 }
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117 return p;
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118 }
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119
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120 void Mem::error()
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121 {
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122 printf("Error: out of memory\n");
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123 exit(EXIT_FAILURE);
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124 }
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125
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126 void Mem::fullcollect()
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127 {
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128 GC_gcollect();
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129 }
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130
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131 void Mem::mark(void *pointer)
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132 {
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133 (void) pointer; // necessary for VC /W4
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134 }
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135
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136 /* =================================================== */
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137
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138 void * operator new(size_t m_size)
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139 {
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140 // without this we segfault with gc 7.0
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141 if (!gc_was_init) {
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142 mem.init();
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143 }
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144 void *p = GC_malloc(m_size);
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145 if (p)
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146 return p;
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147 printf("Error: out of memory\n");
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148 exit(EXIT_FAILURE);
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149 return p;
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150 }
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151
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152 void operator delete(void *p)
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153 {
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154 GC_free(p);
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155 }
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156
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157 #elif !USE_BOEHM_GC
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158
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159 void Mem::init()
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160 {
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161 }
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162
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163 char *Mem::strdup(const char *s)
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164 {
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165 char *p;
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166
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167 if (s)
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168 {
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169 p = ::strdup(s);
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170 if (p)
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171 return p;
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172 error();
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173 }
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174 return NULL;
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175 }
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176
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177 void *Mem::malloc(size_t size)
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178 { void *p;
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179
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180 if (!size)
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181 p = NULL;
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182 else
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183 {
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184 p = ::malloc(size);
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185 if (!p)
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186 error();
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187 }
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188 return p;
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189 }
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190
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191 void *Mem::calloc(size_t size, size_t n)
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192 { void *p;
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193
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194 if (!size || !n)
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195 p = NULL;
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196 else
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197 {
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198 p = ::malloc(size * n);
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199 if (!p)
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200 error();
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201 memset(p, 0, size * n);
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202 }
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203 return p;
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204 }
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205
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206 void *Mem::realloc(void *p, size_t size)
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207 {
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208 if (!size)
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209 { if (p)
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210 { ::free(p);
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211 p = NULL;
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212 }
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213 }
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214 else if (!p)
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215 {
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diff changeset
216 p = ::malloc(size);
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diff changeset
217 if (!p)
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diff changeset
218 error();
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219 }
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220 else
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diff changeset
221 {
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diff changeset
222 p = ::realloc(p, size);
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223 if (!p)
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diff changeset
224 error();
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225 }
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226 return p;
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227 }
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228
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diff changeset
229 void Mem::free(void *p)
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230 {
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diff changeset
231 if (p)
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diff changeset
232 ::free(p);
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233 }
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234
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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diff changeset
235 void *Mem::mallocdup(void *o, size_t size)
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236 { void *p;
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237
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diff changeset
238 if (!size)
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diff changeset
239 p = NULL;
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240 else
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241 {
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242 p = ::malloc(size);
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243 if (!p)
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244 error();
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245 else
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246 memcpy(p,o,size);
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247 }
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248 return p;
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249 }
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250
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251 void Mem::error()
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252 {
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253 printf("Error: out of memory\n");
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254 exit(EXIT_FAILURE);
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255 }
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256
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257 void Mem::fullcollect()
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258 {
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259 }
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260
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261 void Mem::mark(void *pointer)
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262 {
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263 }
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264
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265 #endif // USE_BOEHM_GC