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annotate src/share/vm/c1x/c1x_Compiler.hpp @ 1423:760213a60e8b

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* rewrite of the code installation * partial support for safepoints * macro-based CiTargetMethod interface * code stub support
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 16 Aug 2010 18:59:36 -0700
parents 3483ec571caf
children 98fffb304868
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1 /*
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2 * Copyright 2000-2010 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 class C1XCompiler : public AbstractCompiler {
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26
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27 private:
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29 bool _initialized;
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30
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31 public:
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32
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33 C1XCompiler() { _initialized = false; }
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34
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35 virtual const char* name() { return "C1X"; }
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36
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37 // Native / OSR not supported
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38 virtual bool supports_native() { return false; }
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39 virtual bool supports_osr () { return false; }
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40
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41 // Pretend to be C1
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42 bool is_c1 () { return true; }
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43 bool is_c2 () { return false; }
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44
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45 // Initialization
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46 virtual void initialize();
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47
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48 // Compilation entry point for methods
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49 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
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50
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51 // Print compilation timers and statistics
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52 virtual void print_timers();
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53
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54 static oop get_RiType(ciType *klass, klassOop accessor, TRAPS);
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55 static oop get_RiField(ciField *ciField, TRAPS);
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56
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57 static void compute_offsets();
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58
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59 // this needs to correspond to HotSpotXirGenerator.java
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60 enum MarkId {
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61 MARK_VERIFIED_ENTRY = 1,
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62 MARK_UNVERIFIED_ENTRY = 2,
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63 MARK_STATIC_CALL_STUB = 1000
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64 };
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65
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66 /*
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67 static oop get_RiMethod(ciMethod *ciMethod, TRAPS);
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68 static oop get_RiType(klassOop klass, TRAPS);
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69 static oop get_RiMethod(methodOop method, TRAPS);
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70 static oop get_unresolved_RiType(oop klass, klassOop accessingType, TRAPS);
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71 static oop get_RiConstantPool(constantPoolOop cpOop, TRAPS);
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72 */
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73 };
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74
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75 class C1XObjects : public AllStatic {
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76
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77 private:
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78 static GrowableArray<address>* _stubs;
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79 static GrowableArray<jobject>* _localHandles;
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80
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81 static oop getObject(jlong id);
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82
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83 public:
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84 // this enum needs to have the same values as the one in HotSpotProxy.java
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85 enum CompilerObjectType {
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86 STUB = 0x100000000000000l,
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87 METHOD = 0x200000000000000l,
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88 CLASS = 0x300000000000000l,
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89 SYMBOL = 0x400000000000000l,
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90 CONSTANT_POOL = 0x500000000000000l,
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91 CONSTANT = 0x600000000000000l,
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92 TYPE_MASK = 0xf00000000000000l
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93 };
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94
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95 static void initializeObjects();
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96 static void cleanupLocalObjects();
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97
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98 static jlong addStub(address stub);
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99 static jlong add(Handle obj, CompilerObjectType type);
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100 template <typename T> static jlong add(T obj);
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101
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102 static address getStub(jlong id);
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103 template <typename T> static T get(jlong id);
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104
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105 template <typename T> static T toString(symbolOop symbol, TRAPS);
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106 static symbolOop toSymbol(jstring string);
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107 };
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108
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109 template <> inline jlong C1XObjects::add<methodOop>(methodOop obj){
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110 assert(obj != NULL && obj->is_method(), "trying to add NULL or mistyped object");
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111 return add(Handle(obj), METHOD);
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112 }
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113 template <> inline jlong C1XObjects::add<klassOop>(klassOop obj) {
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114 assert(obj != NULL && obj->is_klass(), "trying to add NULL or mistyped object");
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115 return add(Handle(obj), CLASS);
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116 }
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117 template <> inline jlong C1XObjects::add<symbolOop>(symbolOop obj) {
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118 assert(obj != NULL && obj->is_symbol(), "trying to add NULL or mistyped object");
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119 return add(Handle(obj), SYMBOL);
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120 }
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121 template <> inline jlong C1XObjects::add<constantPoolOop>(constantPoolOop obj) {
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122 assert(obj != NULL && obj->is_constantPool(), "trying to add NULL or mistyped object");
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123 return add(Handle(obj), CONSTANT_POOL);
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124 }
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125 template <> inline jlong C1XObjects::add<oop>(oop obj) {
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126 assert(obj != NULL && obj->is_oop(), "trying to add NULL or mistyped object");
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127 return add(Handle(obj), CONSTANT);
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128 }
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129
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130 template <> inline methodOop C1XObjects::get<methodOop>(jlong id){
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131 assert((id & TYPE_MASK) == METHOD, "METHOD expected");
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132 assert(getObject(id)->is_method(), "methodOop expected");
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133 return (methodOop)getObject(id);
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134 }
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135 template <> inline klassOop C1XObjects::get<klassOop>(jlong id) {
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136 assert((id & TYPE_MASK) == CLASS, "CLASS expected");
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137 assert(getObject(id)->is_klass(), "klassOop expected");
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138 return (klassOop)getObject(id);
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139 }
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140 template <> inline symbolOop C1XObjects::get<symbolOop>(jlong id) {
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141 assert((id & TYPE_MASK) == SYMBOL, "SYMBOL expected");
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142 assert(getObject(id)->is_symbol(), "symbolOop expected");
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143 return (symbolOop)getObject(id);
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144 }
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145 template <> inline constantPoolOop C1XObjects::get<constantPoolOop>(jlong id) {
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146 assert((id & TYPE_MASK) == CONSTANT_POOL, "CONSTANT_POOL expected");
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147 assert(getObject(id)->is_constantPool(), "constantPoolOop expected");
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148 return (constantPoolOop)getObject(id);
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149 }
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150 template <> inline oop C1XObjects::get<oop>(jlong id) {
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151 assert((id & TYPE_MASK) == CONSTANT, "CONSTANT expected");
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152 assert(getObject(id)->is_oop(true), "oop expected");
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153 return (oop)getObject(id);
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154 }
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155
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156 template <> inline Handle C1XObjects::toString<Handle>(symbolOop symbol, TRAPS) {
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157 return java_lang_String::create_from_symbol(symbol, THREAD);
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158 }
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159 template <> inline oop C1XObjects::toString<oop>(symbolOop symbol, TRAPS) {
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160 return toString<Handle>(symbol, THREAD)();
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161 }
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162 template <> inline jstring C1XObjects::toString<jstring>(symbolOop symbol, TRAPS) {
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163 return (jstring)JNIHandles::make_local(toString<oop>(symbol, THREAD));
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164 }
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165 template <> inline jobject C1XObjects::toString<jobject>(symbolOop symbol, TRAPS) {
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166 return JNIHandles::make_local(toString<oop>(symbol, THREAD));
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167 }
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168
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169 inline symbolOop C1XObjects::toSymbol(jstring string) {
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170 return java_lang_String::as_symbol_or_null(JNIHandles::resolve(string));
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171 }
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172
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173 // Tracing macros
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174
1406
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175 #define IF_TRACE_C1X_1 if (TraceC1X >= 1)
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176 #define IF_TRACE_C1X_2 if (TraceC1X >= 2)
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177 #define IF_TRACE_C1X_3 if (TraceC1X >= 3)
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178 #define IF_TRACE_C1X_4 if (TraceC1X >= 4)
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179 #define IF_TRACE_C1X_5 if (TraceC1X >= 5)
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180
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181 #define TRACE_C1X_1 if (TraceC1X >= 1) tty->print("TraceC1X-1: "); if (TraceC1X >= 1) tty->print_cr
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182 #define TRACE_C1X_2 if (TraceC1X >= 2) tty->print(" TraceC1X-2: "); if (TraceC1X >= 2) tty->print_cr
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183 #define TRACE_C1X_3 if (TraceC1X >= 3) tty->print(" TraceC1X-3: "); if (TraceC1X >= 3) tty->print_cr
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184 #define TRACE_C1X_4 if (TraceC1X >= 4) tty->print(" TraceC1X-4: "); if (TraceC1X >= 4) tty->print_cr
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185 #define TRACE_C1X_5 if (TraceC1X >= 5) tty->print(" TraceC1X-5: "); if (TraceC1X >= 5) tty->print_cr
1423
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186
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187
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188 // defines the structure of the CiTargetMethod - classes
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189 // this will generate classes with accessors similar to javaClasses.hpp
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190
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191 #define COMPILER_CLASSES_DO(start_class, end_class, char_field, int_field, long_field, oop_field) \
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192 start_class(HotSpotTypeResolved) \
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193 long_field(HotSpotTypeResolved, vmId) \
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194 end_class \
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195 start_class(HotSpotMethod) \
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196 long_field(HotSpotMethod, vmId) \
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197 end_class \
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198 start_class(HotSpotTargetMethod) \
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199 oop_field(HotSpotTargetMethod, targetMethod, "Lcom/sun/cri/ci/CiTargetMethod;") \
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200 oop_field(HotSpotTargetMethod, method, "Lcom/sun/hotspot/c1x/HotSpotMethod;") \
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201 oop_field(HotSpotTargetMethod, name, "Ljava/lang/String;") \
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202 oop_field(HotSpotTargetMethod, sites, "[Lcom/sun/cri/ci/CiTargetMethod$Site;") \
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diff changeset
203 end_class \
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204 start_class(CiTargetMethod) \
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205 int_field(CiTargetMethod, frameSize) \
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206 oop_field(CiTargetMethod, targetCode, "[B") \
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207 int_field(CiTargetMethod, targetCodeSize) \
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diff changeset
208 int_field(CiTargetMethod, referenceRegisterCount) \
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209 end_class \
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210 start_class(CiTargetMethod_Site) \
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diff changeset
211 int_field(CiTargetMethod_Site, pcOffset) \
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212 end_class \
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213 start_class(CiTargetMethod_Call) \
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diff changeset
214 oop_field(CiTargetMethod_Call, runtimeCall, "Lcom/sun/cri/ci/CiRuntimeCall;") \
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215 oop_field(CiTargetMethod_Call, method, "Lcom/sun/cri/ri/RiMethod;") \
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216 oop_field(CiTargetMethod_Call, symbol, "Ljava/lang/String;") \
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217 oop_field(CiTargetMethod_Call, globalStubID, "Ljava/lang/Object;") \
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218 oop_field(CiTargetMethod_Call, debugInfo, "Lcom/sun/cri/ci/CiDebugInfo;") \
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219 oop_field(CiTargetMethod_Call, stackMap, "[B") \
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220 oop_field(CiTargetMethod_Call, registerMap, "[B") \
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221 end_class \
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222 start_class(CiTargetMethod_DataPatch) \
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223 oop_field(CiTargetMethod_DataPatch, constant, "Lcom/sun/cri/ci/CiConstant;") \
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224 end_class \
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225 start_class(CiTargetMethod_Safepoint) \
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226 oop_field(CiTargetMethod_Safepoint, debugInfo, "Lcom/sun/cri/ci/CiDebugInfo;") \
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227 end_class \
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228 start_class(CiTargetMethod_ExceptionHandler) \
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229 int_field(CiTargetMethod_ExceptionHandler, handlerPos) \
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diff changeset
230 oop_field(CiTargetMethod_ExceptionHandler, exceptionType, "Lcom/sun/cri/ri/RiType;")\
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231 end_class \
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232 start_class(CiTargetMethod_Mark) \
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diff changeset
233 oop_field(CiTargetMethod_Mark, id, "Ljava/lang/Object;") \
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234 oop_field(CiTargetMethod_Mark, references, "[Lcom/sun/cri/ci/CiTargetMethod$Mark;") \
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235 end_class \
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236 start_class(CiDebugInfo) \
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diff changeset
237 oop_field(CiDebugInfo, codePos, "Lcom/sun/cri/ci/CiCodePos;") \
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238 oop_field(CiDebugInfo, frame, "Lcom/sun/cri/ci/CiDebugInfo$Frame;") \
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239 oop_field(CiDebugInfo, registerRefMap, "[B") \
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240 oop_field(CiDebugInfo, frameRefMap, "[B") \
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241 end_class \
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diff changeset
242 start_class(CiDebugInfo_Frame) \
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243 oop_field(CiDebugInfo_Frame, caller, "Lcom/sun/cri/ci/CiDebugInfo$Frame;") \
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244 oop_field(CiDebugInfo_Frame, codePos, "Lcom/sun/cri/ci/CiCodePos;") \
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245 oop_field(CiDebugInfo_Frame, values, "[Lcom/sun/cri/ci/CiValue;") \
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246 int_field(CiDebugInfo_Frame, numLocals) \
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diff changeset
247 int_field(CiDebugInfo_Frame, numStack) \
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diff changeset
248 int_field(CiDebugInfo_Frame, numLocks) \
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249 end_class \
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250 start_class(CiCodePos) \
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251 oop_field(CiCodePos, caller, "Lcom/sun/cri/ci/CiCodePos;") \
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252 oop_field(CiCodePos, method, "Lcom/sun/cri/ri/RiMethod;") \
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253 int_field(CiCodePos, bci) \
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254 end_class \
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255 start_class(CiConstant) \
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256 oop_field(CiConstant, kind, "Lcom/sun/cri/ci/CiKind;") \
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257 oop_field(CiConstant, object, "Ljava/lang/Object;") \
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258 long_field(CiConstant, primitive) \
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259 end_class \
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260 start_class(CiKind) \
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261 char_field(CiKind, typeChar) \
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262 end_class \
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263 start_class(CiRuntimeCall) \
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264 end_class \
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265 start_class(RiMethod) \
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266 end_class \
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267 start_class(CiRegisterValue) \
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268 end_class \
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269 start_class(CiStackSlot) \
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270 end_class \
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271 /* end*/
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272
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273 #define START_CLASS(name) \
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274 class name : AllStatic { \
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275 private: \
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276 friend class C1XCompiler; \
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277 static void check(oop obj) { assert(obj != NULL, "NULL field access"); assert(obj->is_a(SystemDictionary::name##_klass()), "wrong class, " #name " expected"); } \
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278 static void compute_offsets(); \
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279 public: \
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280 static klassOop klass() { return SystemDictionary::name##_klass(); }
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281
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282 #define END_CLASS };
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283
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284 #define FIELD(name, type, accessor) \
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285 static int _##name##_offset; \
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286 static type name(oop obj) { check(obj); return obj->accessor(_##name##_offset); } \
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287 static type name(jobject obj) { check(JNIHandles::resolve(obj)); return JNIHandles::resolve(obj)->accessor(_##name##_offset); } \
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288 static void set_##name(oop obj, type x) { check(obj); obj->accessor##_put(_##name##_offset, x); } \
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289 static void set_##name(jobject obj, type x) { check(JNIHandles::resolve(obj)); JNIHandles::resolve(obj)->accessor##_put(_##name##_offset, x); }
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290
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291 #define CHAR_FIELD(klass, name) FIELD(name, jchar, char_field)
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292 #define INT_FIELD(klass, name) FIELD(name, jint, int_field)
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293 #define LONG_FIELD(klass, name) FIELD(name, jlong, long_field)
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294 #define OOP_FIELD(klass, name, signature) FIELD(name, oop, obj_field)
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295
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296 COMPILER_CLASSES_DO(START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, LONG_FIELD, OOP_FIELD)
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297 #undef START_CLASS
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298 #undef END_CLASS
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299 #undef FIELD
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300 #undef CHAR_FIELD
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301 #undef INT_FIELD
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302 #undef LONG_FIELD
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303 #undef OOP_FIELD
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304
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305