Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotForeignCallLinkageImpl.java @ 21527:07b088d61d5d
added HotSpotJVMCIRuntime* classes, replaced references to HotSpotGraalRuntime in VM with HotSpotJVMCIRuntime (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 22 May 2015 23:26:20 +0200 |
parents | 1da7aef31a08 |
children | 5324104ac4f3 |
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1 /* |
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2 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.graal.hotspot; |
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24 |
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25 import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.RegisterEffect.*; |
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26 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; |
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27 |
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28 import java.util.*; |
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29 |
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30 import com.oracle.graal.api.code.*; |
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31 import com.oracle.graal.api.code.CallingConvention.Type; |
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32 import com.oracle.graal.api.meta.*; |
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33 import com.oracle.graal.compiler.target.*; |
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34 import com.oracle.graal.hotspot.jvmci.*; |
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35 import com.oracle.graal.hotspot.meta.*; |
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36 import com.oracle.graal.hotspot.stubs.*; |
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37 import com.oracle.graal.word.*; |
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38 |
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39 /** |
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40 * The details required to link a HotSpot runtime or stub call. |
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41 */ |
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42 public class HotSpotForeignCallLinkageImpl extends HotSpotForeignCallTarget implements HotSpotForeignCallLinkage, HotSpotProxified { |
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43 |
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44 /** |
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45 * Non-null (eventually) iff this is a call to a compiled {@linkplain Stub stub}. |
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46 */ |
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47 private Stub stub; |
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48 |
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49 /** |
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50 * The calling convention for this call. |
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51 */ |
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52 private final CallingConvention outgoingCallingConvention; |
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53 |
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54 /** |
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55 * The calling convention for incoming arguments to the stub, iff this call uses a compiled |
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56 * {@linkplain Stub stub}. |
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57 */ |
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58 private final CallingConvention incomingCallingConvention; |
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59 |
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60 private final RegisterEffect effect; |
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61 |
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62 private final Transition transition; |
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63 |
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64 /** |
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65 * The registers and stack slots defined/killed by the call. |
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66 */ |
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67 private Value[] temporaries = AllocatableValue.NONE; |
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68 |
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69 /** |
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70 * The memory locations killed by the call. |
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71 */ |
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72 private final LocationIdentity[] killedLocations; |
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73 |
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74 private final boolean reexecutable; |
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75 |
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76 /** |
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77 * Creates a {@link HotSpotForeignCallLinkage}. |
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78 * |
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79 * @param descriptor the descriptor of the call |
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80 * @param address the address of the code to call |
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81 * @param effect specifies if the call destroys or preserves all registers (apart from |
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82 * temporaries which are always destroyed) |
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83 * @param outgoingCcType outgoing (caller) calling convention type |
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84 * @param incomingCcType incoming (callee) calling convention type (can be null) |
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85 * @param transition specifies if this is a {@linkplain #canDeoptimize() leaf} call |
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86 * @param reexecutable specifies if the call can be re-executed without (meaningful) side |
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87 * effects. Deoptimization will not return to a point before a call that cannot be |
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88 * re-executed. |
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89 * @param killedLocations the memory locations killed by the call |
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90 */ |
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91 public static HotSpotForeignCallLinkage create(MetaAccessProvider metaAccess, CodeCacheProvider codeCache, HotSpotForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, |
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92 long address, RegisterEffect effect, Type outgoingCcType, Type incomingCcType, Transition transition, boolean reexecutable, LocationIdentity... killedLocations) { |
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93 CallingConvention outgoingCc = createCallingConvention(metaAccess, codeCache, descriptor, outgoingCcType); |
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94 CallingConvention incomingCc = incomingCcType == null ? null : createCallingConvention(metaAccess, codeCache, descriptor, incomingCcType); |
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95 HotSpotForeignCallLinkageImpl linkage = new HotSpotForeignCallLinkageImpl(descriptor, address, effect, transition, outgoingCc, incomingCc, reexecutable, killedLocations); |
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96 if (outgoingCcType == Type.NativeCall) { |
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97 linkage.temporaries = foreignCalls.getNativeABICallerSaveRegisters(); |
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98 } |
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99 return linkage; |
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100 } |
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101 |
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102 /** |
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103 * Gets a calling convention for a given descriptor and call type. |
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104 */ |
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105 public static CallingConvention createCallingConvention(MetaAccessProvider metaAccess, CodeCacheProvider codeCache, ForeignCallDescriptor descriptor, Type ccType) { |
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106 assert ccType != null; |
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107 Class<?>[] argumentTypes = descriptor.getArgumentTypes(); |
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108 JavaType[] parameterTypes = new JavaType[argumentTypes.length]; |
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109 for (int i = 0; i < parameterTypes.length; ++i) { |
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110 parameterTypes[i] = asJavaType(argumentTypes[i], metaAccess, codeCache); |
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111 } |
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112 TargetDescription target = codeCache.getTarget(); |
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113 JavaType returnType = asJavaType(descriptor.getResultType(), metaAccess, codeCache); |
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114 RegisterConfig regConfig = codeCache.getRegisterConfig(); |
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115 return regConfig.getCallingConvention(ccType, returnType, parameterTypes, target, false); |
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116 } |
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117 |
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118 private static JavaType asJavaType(Class<?> type, MetaAccessProvider metaAccess, CodeCacheProvider codeCache) { |
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119 if (WordBase.class.isAssignableFrom(type)) { |
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120 return metaAccess.lookupJavaType(codeCache.getTarget().wordKind.toJavaClass()); |
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121 } else { |
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122 return metaAccess.lookupJavaType(type); |
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123 } |
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124 } |
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125 |
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126 public HotSpotForeignCallLinkageImpl(ForeignCallDescriptor descriptor, long address, RegisterEffect effect, Transition transition, CallingConvention outgoingCallingConvention, |
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127 CallingConvention incomingCallingConvention, boolean reexecutable, LocationIdentity... killedLocations) { |
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128 super(descriptor, address); |
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129 this.address = address; |
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130 this.effect = effect; |
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131 this.transition = transition; |
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132 this.outgoingCallingConvention = outgoingCallingConvention; |
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133 this.incomingCallingConvention = incomingCallingConvention; |
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134 this.reexecutable = reexecutable; |
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135 this.killedLocations = killedLocations; |
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136 } |
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137 |
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138 @Override |
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139 public String toString() { |
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140 StringBuilder sb = new StringBuilder(stub == null ? descriptor.toString() : stub.toString()); |
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141 sb.append("@0x").append(Long.toHexString(address)).append(':').append(outgoingCallingConvention).append(":").append(incomingCallingConvention); |
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142 if (temporaries != null && temporaries.length != 0) { |
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143 sb.append("; temps="); |
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144 String sep = ""; |
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145 for (Value op : temporaries) { |
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146 sb.append(sep).append(op); |
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147 sep = ","; |
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148 } |
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149 } |
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150 return sb.toString(); |
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151 } |
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152 |
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153 public boolean isReexecutable() { |
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154 return reexecutable; |
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155 } |
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156 |
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157 public LocationIdentity[] getKilledLocations() { |
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158 return killedLocations; |
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159 } |
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160 |
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161 public CallingConvention getOutgoingCallingConvention() { |
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162 return outgoingCallingConvention; |
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163 } |
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164 |
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165 public CallingConvention getIncomingCallingConvention() { |
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166 return incomingCallingConvention; |
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167 } |
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168 |
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169 public Value[] getTemporaries() { |
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170 if (temporaries.length == 0) { |
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171 return temporaries; |
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172 } |
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173 return temporaries.clone(); |
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174 } |
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175 |
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176 public long getMaxCallTargetOffset() { |
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177 return runtime().getCompilerToVM().getMaxCallTargetOffset(address); |
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178 } |
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179 |
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180 public ForeignCallDescriptor getDescriptor() { |
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181 return descriptor; |
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182 } |
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183 |
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184 public void setCompiledStub(Stub stub) { |
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185 assert address == 0L : "cannot set stub for linkage that already has an address: " + this; |
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186 this.stub = stub; |
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187 } |
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188 |
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189 /** |
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190 * Determines if this is a call to a compiled {@linkplain Stub stub}. |
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191 */ |
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192 public boolean isCompiledStub() { |
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193 return address == 0L || stub != null; |
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194 } |
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195 |
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196 public void finalizeAddress(Backend backend) { |
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197 if (address == 0) { |
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198 assert stub != null : "linkage without an address must be a stub - forgot to register a Stub associated with " + descriptor + "?"; |
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199 InstalledCode code = stub.getCode(backend); |
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200 |
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201 Set<Register> destroyedRegisters = stub.getDestroyedRegisters(); |
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202 if (!destroyedRegisters.isEmpty()) { |
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203 AllocatableValue[] temporaryLocations = new AllocatableValue[destroyedRegisters.size()]; |
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204 int i = 0; |
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205 for (Register reg : destroyedRegisters) { |
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206 temporaryLocations[i++] = reg.asValue(); |
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207 } |
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208 temporaries = temporaryLocations; |
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209 } |
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210 address = code.getStart(); |
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211 } |
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212 } |
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213 |
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214 public long getAddress() { |
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215 assert address != 0L : "address not yet finalized: " + this; |
c1ba734c1ea0
more extensive checking of compiled stub invariants
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216 return address; |
c1ba734c1ea0
more extensive checking of compiled stub invariants
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217 } |
c1ba734c1ea0
more extensive checking of compiled stub invariants
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218 |
8969
1fa6536416db
Runtime calls that do not destroy the caller's registers need no spilling at the call site.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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8627
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219 @Override |
9454
85a836bcd796
renaming for improved clarity: hasCall -> destroysCallerSavedRegisters
Doug Simon <doug.simon@oracle.com>
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9452
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220 public boolean destroysRegisters() { |
9693
d04944441454
cleaned up and simplified runtime call mechanisms
Doug Simon <doug.simon@oracle.com>
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221 return effect == DESTROYS_REGISTERS; |
9352
d4684b468e93
made NewInstanceStub a RuntimeStub that directly calls the C runtime (GRAAL-81)
Doug Simon <doug.simon@oracle.com>
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222 } |
9731
f7bd4594cbbf
added support for declaring a foreign function call to be a leaf
Doug Simon <doug.simon@oracle.com>
parents:
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223 |
9870
c65bad5126b0
pull HotSpotForeignCallLinkage.isLeaf into ForeignCallLinkage and rename to canDeoptimize
Lukas Stadler <lukas.stadler@jku.at>
parents:
9793
diff
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224 @Override |
c65bad5126b0
pull HotSpotForeignCallLinkage.isLeaf into ForeignCallLinkage and rename to canDeoptimize
Lukas Stadler <lukas.stadler@jku.at>
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9793
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225 public boolean canDeoptimize() { |
13301
126ef8e8aa59
Separate foreign calls into LEAF and LEAF_NOFP.
Roland Schatz <roland.schatz@oracle.com>
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12580
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226 return transition == Transition.NOT_LEAF; |
126ef8e8aa59
Separate foreign calls into LEAF and LEAF_NOFP.
Roland Schatz <roland.schatz@oracle.com>
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227 } |
126ef8e8aa59
Separate foreign calls into LEAF and LEAF_NOFP.
Roland Schatz <roland.schatz@oracle.com>
parents:
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228 |
126ef8e8aa59
Separate foreign calls into LEAF and LEAF_NOFP.
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229 public boolean mayContainFP() { |
126ef8e8aa59
Separate foreign calls into LEAF and LEAF_NOFP.
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230 return transition != Transition.LEAF_NOFP; |
9731
f7bd4594cbbf
added support for declaring a foreign function call to be a leaf
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
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231 } |
14955
be6fc21b25f8
Add possibility to have HotSpot linkages which are LEAF but still require a last_java_sp
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
14908
diff
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232 |
be6fc21b25f8
Add possibility to have HotSpot linkages which are LEAF but still require a last_java_sp
Gilles Duboscq <duboscq@ssw.jku.at>
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233 public boolean needsJavaFrameAnchor() { |
be6fc21b25f8
Add possibility to have HotSpot linkages which are LEAF but still require a last_java_sp
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
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234 return canDeoptimize() || transition == Transition.LEAF_SP; |
be6fc21b25f8
Add possibility to have HotSpot linkages which are LEAF but still require a last_java_sp
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
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235 } |
16182
0a7e9347f8d0
Add an ability to specify the signature of a C/C++ foreign function in HotSpotVMConfig and get the full symbol string; add a couple of convenience getters and setters for stubs with foreign call linkage.
bharadwaj
parents:
15040
diff
changeset
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236 |
21527
07b088d61d5d
added HotSpotJVMCIRuntime* classes, replaced references to HotSpotGraalRuntime in VM with HotSpotJVMCIRuntime (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
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21526
diff
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237 public String getSymbol() { |
07b088d61d5d
added HotSpotJVMCIRuntime* classes, replaced references to HotSpotGraalRuntime in VM with HotSpotJVMCIRuntime (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
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238 return stub == null ? null : stub.toString(); |
16182
0a7e9347f8d0
Add an ability to specify the signature of a C/C++ foreign function in HotSpotVMConfig and get the full symbol string; add a couple of convenience getters and setters for stubs with foreign call linkage.
bharadwaj
parents:
15040
diff
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239 } |
6521
2a0c9f20baa1
consolidated framework for runtime and stub calls and moved declaration of descriptors for such calls to the source file in which they are used
Doug Simon <doug.simon@oracle.com>
parents:
diff
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240 } |