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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
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2 * vim: set ts=8 sts=4 et sw=4 tw=99: |
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3 * This Source Code Form is subject to the terms of the Mozilla Public |
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4 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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6 |
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7 #include "jit/Ion.h" |
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8 |
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9 using namespace js; |
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10 using namespace js::jit; |
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11 |
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12 JSRuntime * |
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13 CompileRuntime::runtime() |
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14 { |
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15 return reinterpret_cast<JSRuntime *>(this); |
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16 } |
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17 |
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18 /* static */ CompileRuntime * |
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19 CompileRuntime::get(JSRuntime *rt) |
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20 { |
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21 return reinterpret_cast<CompileRuntime *>(rt); |
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22 } |
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23 |
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24 bool |
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25 CompileRuntime::onMainThread() |
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26 { |
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27 return js::CurrentThreadCanAccessRuntime(runtime()); |
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28 } |
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29 |
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30 js::PerThreadData * |
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31 CompileRuntime::mainThread() |
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32 { |
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33 JS_ASSERT(onMainThread()); |
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34 return &runtime()->mainThread; |
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35 } |
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36 |
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37 const void * |
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38 CompileRuntime::addressOfIonTop() |
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39 { |
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40 return &runtime()->mainThread.ionTop; |
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41 } |
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42 |
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43 const void * |
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44 CompileRuntime::addressOfJitStackLimit() |
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45 { |
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46 return &runtime()->mainThread.jitStackLimit; |
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47 } |
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48 |
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49 const void * |
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50 CompileRuntime::addressOfJSContext() |
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51 { |
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52 return &runtime()->mainThread.jitJSContext; |
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53 } |
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54 |
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55 const void * |
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56 CompileRuntime::addressOfActivation() |
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57 { |
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58 return runtime()->mainThread.addressOfActivation(); |
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59 } |
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60 |
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61 const void * |
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62 CompileRuntime::addressOfLastCachedNativeIterator() |
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63 { |
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64 return &runtime()->nativeIterCache.last; |
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65 } |
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66 |
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67 #ifdef JS_GC_ZEAL |
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68 const void * |
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69 CompileRuntime::addressOfGCZeal() |
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70 { |
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71 return &runtime()->gcZeal_; |
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72 } |
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73 #endif |
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74 |
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75 const void * |
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76 CompileRuntime::addressOfInterrupt() |
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77 { |
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78 return &runtime()->interrupt; |
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79 } |
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80 |
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81 #ifdef JS_THREADSAFE |
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82 const void * |
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83 CompileRuntime::addressOfInterruptPar() |
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84 { |
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85 return &runtime()->interruptPar; |
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86 } |
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87 #endif |
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88 |
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89 const void * |
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90 CompileRuntime::addressOfThreadPool() |
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91 { |
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92 return &runtime()->threadPool; |
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93 } |
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94 |
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95 const JitRuntime * |
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96 CompileRuntime::jitRuntime() |
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97 { |
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98 return runtime()->jitRuntime(); |
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99 } |
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100 |
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101 SPSProfiler & |
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102 CompileRuntime::spsProfiler() |
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103 { |
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104 return runtime()->spsProfiler; |
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105 } |
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106 |
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107 bool |
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108 CompileRuntime::signalHandlersInstalled() |
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109 { |
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110 return runtime()->signalHandlersInstalled(); |
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111 } |
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112 |
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113 bool |
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114 CompileRuntime::jitSupportsFloatingPoint() |
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115 { |
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116 return runtime()->jitSupportsFloatingPoint; |
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117 } |
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118 |
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119 bool |
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120 CompileRuntime::hadOutOfMemory() |
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121 { |
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122 return runtime()->hadOutOfMemory; |
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123 } |
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124 |
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125 const JSAtomState & |
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126 CompileRuntime::names() |
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127 { |
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128 return *runtime()->commonNames; |
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129 } |
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130 |
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131 const StaticStrings & |
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132 CompileRuntime::staticStrings() |
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133 { |
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134 return *runtime()->staticStrings; |
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135 } |
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136 |
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137 const Value & |
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138 CompileRuntime::NaNValue() |
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139 { |
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140 return runtime()->NaNValue; |
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141 } |
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142 |
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143 const Value & |
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144 CompileRuntime::positiveInfinityValue() |
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145 { |
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146 return runtime()->positiveInfinityValue; |
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147 } |
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148 |
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149 #ifdef DEBUG |
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150 bool |
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151 CompileRuntime::isInsideNursery(gc::Cell *cell) |
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152 { |
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153 return UninlinedIsInsideNursery(runtime(), cell); |
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154 } |
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155 #endif |
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156 |
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157 const DOMCallbacks * |
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158 CompileRuntime::DOMcallbacks() |
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159 { |
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160 return GetDOMCallbacks(runtime()); |
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161 } |
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162 |
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163 const MathCache * |
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164 CompileRuntime::maybeGetMathCache() |
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165 { |
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166 return runtime()->maybeGetMathCache(); |
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167 } |
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168 |
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169 #ifdef JSGC_GENERATIONAL |
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170 const Nursery & |
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171 CompileRuntime::gcNursery() |
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172 { |
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173 return runtime()->gcNursery; |
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174 } |
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175 #endif |
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176 |
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177 Zone * |
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178 CompileZone::zone() |
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179 { |
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180 return reinterpret_cast<Zone *>(this); |
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181 } |
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182 |
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183 /* static */ CompileZone * |
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184 CompileZone::get(Zone *zone) |
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185 { |
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186 return reinterpret_cast<CompileZone *>(zone); |
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187 } |
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188 |
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189 const void * |
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190 CompileZone::addressOfNeedsBarrier() |
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191 { |
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192 return zone()->addressOfNeedsBarrier(); |
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193 } |
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194 |
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195 const void * |
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196 CompileZone::addressOfFreeListFirst(gc::AllocKind allocKind) |
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197 { |
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198 return &zone()->allocator.arenas.getFreeList(allocKind)->first; |
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199 } |
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200 |
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201 const void * |
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202 CompileZone::addressOfFreeListLast(gc::AllocKind allocKind) |
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203 { |
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204 return &zone()->allocator.arenas.getFreeList(allocKind)->last; |
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205 } |
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206 |
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207 JSCompartment * |
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208 CompileCompartment::compartment() |
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209 { |
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210 return reinterpret_cast<JSCompartment *>(this); |
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211 } |
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212 |
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213 /* static */ CompileCompartment * |
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214 CompileCompartment::get(JSCompartment *comp) |
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215 { |
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216 return reinterpret_cast<CompileCompartment *>(comp); |
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217 } |
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218 |
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219 CompileZone * |
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220 CompileCompartment::zone() |
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221 { |
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222 return CompileZone::get(compartment()->zone()); |
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223 } |
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224 |
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225 CompileRuntime * |
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226 CompileCompartment::runtime() |
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227 { |
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228 return CompileRuntime::get(compartment()->runtimeFromAnyThread()); |
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229 } |
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230 |
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231 const void * |
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232 CompileCompartment::addressOfEnumerators() |
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233 { |
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234 return &compartment()->enumerators; |
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235 } |
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236 |
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237 const CallsiteCloneTable & |
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238 CompileCompartment::callsiteClones() |
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239 { |
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240 return compartment()->callsiteClones; |
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241 } |
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242 |
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243 const JitCompartment * |
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244 CompileCompartment::jitCompartment() |
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245 { |
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246 return compartment()->jitCompartment(); |
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247 } |
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248 |
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249 bool |
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250 CompileCompartment::hasObjectMetadataCallback() |
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251 { |
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252 return compartment()->hasObjectMetadataCallback(); |
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253 } |
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254 |
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255 // Note: This function is thread-safe because setSingletonAsValue sets a boolean |
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256 // variable to false, and this boolean variable has no way to be resetted to |
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257 // true. So even if there is a concurrent write, this concurrent write will |
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258 // always have the same value. If there is a concurrent read, then we will |
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259 // clone a singleton instead of using the value which is baked in the JSScript, |
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260 // and this would be an unfortunate allocation, but this will not change the |
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261 // semantics of the JavaScript code which is executed. |
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262 void |
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263 CompileCompartment::setSingletonsAsValues() |
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264 { |
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265 return JS::CompartmentOptionsRef(compartment()).setSingletonsAsValues(); |
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266 } |
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267 |
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268 JitCompileOptions::JitCompileOptions() |
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269 : cloneSingletons_(false), |
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270 spsSlowAssertionsEnabled_(false) |
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271 { |
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272 } |
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273 |
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274 JitCompileOptions::JitCompileOptions(JSContext *cx) |
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275 { |
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276 JS::CompartmentOptions &options = cx->compartment()->options(); |
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277 cloneSingletons_ = options.cloneSingletons(cx); |
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278 spsSlowAssertionsEnabled_ = cx->runtime()->spsProfiler.enabled() && |
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279 cx->runtime()->spsProfiler.slowAssertionsEnabled(); |
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280 } |