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comparison src/share/vm/interpreter/bytecode.cpp @ 6266:1d7922586cf6

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7023639: JSR 292 method handle invocation needs a fast path for compiled code 6984705: JSR 292 method handle creation should not go through JNI Summary: remove assembly code for JDK 7 chained method handles Reviewed-by: jrose, twisti, kvn, mhaupt Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
author twisti
date Tue, 24 Jul 2012 10:51:00 -0700
parents 3582bf76420e
children da91efe96a93
comparison
equal deleted inserted replaced
6241:aba91a731143 6266:1d7922586cf6
118 118
119 // Implementation of Bytecode_invoke 119 // Implementation of Bytecode_invoke
120 120
121 void Bytecode_invoke::verify() const { 121 void Bytecode_invoke::verify() const {
122 assert(is_valid(), "check invoke"); 122 assert(is_valid(), "check invoke");
123 assert(method()->constants()->cache() != NULL, "do not call this from verifier or rewriter"); 123 assert(cpcache() != NULL, "do not call this from verifier or rewriter");
124 }
125
126
127 Symbol* Bytecode_member_ref::klass() const {
128 return constants()->klass_ref_at_noresolve(index());
129 }
130
131
132 Symbol* Bytecode_member_ref::name() const {
133 return constants()->name_ref_at(index());
124 } 134 }
125 135
126 136
127 Symbol* Bytecode_member_ref::signature() const { 137 Symbol* Bytecode_member_ref::signature() const {
128 constantPoolOop constants = method()->constants(); 138 return constants()->signature_ref_at(index());
129 return constants->signature_ref_at(index());
130 }
131
132
133 Symbol* Bytecode_member_ref::name() const {
134 constantPoolOop constants = method()->constants();
135 return constants->name_ref_at(index());
136 } 139 }
137 140
138 141
139 BasicType Bytecode_member_ref::result_type() const { 142 BasicType Bytecode_member_ref::result_type() const {
140 ResultTypeFinder rts(signature()); 143 ResultTypeFinder rts(signature());
144 147
145 148
146 methodHandle Bytecode_invoke::static_target(TRAPS) { 149 methodHandle Bytecode_invoke::static_target(TRAPS) {
147 methodHandle m; 150 methodHandle m;
148 KlassHandle resolved_klass; 151 KlassHandle resolved_klass;
149 constantPoolHandle constants(THREAD, _method->constants()); 152 constantPoolHandle constants(THREAD, this->constants());
150 153
151 if (java_code() == Bytecodes::_invokedynamic) { 154 Bytecodes::Code bc = invoke_code();
152 LinkResolver::resolve_dynamic_method(m, resolved_klass, constants, index(), CHECK_(methodHandle())); 155 LinkResolver::resolve_method_statically(m, resolved_klass, bc, constants, index(), CHECK_(methodHandle()));
153 } else if (java_code() != Bytecodes::_invokeinterface) {
154 LinkResolver::resolve_method(m, resolved_klass, constants, index(), CHECK_(methodHandle()));
155 } else {
156 LinkResolver::resolve_interface_method(m, resolved_klass, constants, index(), CHECK_(methodHandle()));
157 }
158 return m; 156 return m;
159 } 157 }
160 158
159 Handle Bytecode_invoke::appendix(TRAPS) {
160 ConstantPoolCacheEntry* cpce = cpcache_entry();
161 if (cpce->has_appendix())
162 return Handle(THREAD, cpce->f1_appendix());
163 return Handle(); // usual case
164 }
161 165
162 int Bytecode_member_ref::index() const { 166 int Bytecode_member_ref::index() const {
163 // Note: Rewriter::rewrite changes the Java_u2 of an invokedynamic to a native_u4, 167 // Note: Rewriter::rewrite changes the Java_u2 of an invokedynamic to a native_u4,
164 // at the same time it allocates per-call-site CP cache entries. 168 // at the same time it allocates per-call-site CP cache entries.
165 Bytecodes::Code rawc = code(); 169 Bytecodes::Code rawc = code();
168 else 172 else
169 return get_index_u2_cpcache(rawc); 173 return get_index_u2_cpcache(rawc);
170 } 174 }
171 175
172 int Bytecode_member_ref::pool_index() const { 176 int Bytecode_member_ref::pool_index() const {
177 return cpcache_entry()->constant_pool_index();
178 }
179
180 ConstantPoolCacheEntry* Bytecode_member_ref::cpcache_entry() const {
173 int index = this->index(); 181 int index = this->index();
174 DEBUG_ONLY({ 182 DEBUG_ONLY({
175 if (!has_index_u4(code())) 183 if (!has_index_u4(code()))
176 index -= constantPoolOopDesc::CPCACHE_INDEX_TAG; 184 index = constantPoolOopDesc::get_cpcache_index(index);
177 }); 185 });
178 return _method->constants()->cache()->entry_at(index)->constant_pool_index(); 186 return cpcache()->entry_at(index);
179 } 187 }
180 188
181 // Implementation of Bytecode_field 189 // Implementation of Bytecode_field
182 190
183 void Bytecode_field::verify() const { 191 void Bytecode_field::verify() const {