graal-compiler: src/share/vm/prims/methodHandles.cpp annotate

annotate src/share/vm/prims/methodHandles.cpp @ 10128:41ed397cc0cd

8006267: InterfaceMethod_ref should allow invokestatic and invokespecial Summary: Lambda changes; spec 0.6.2 - Allow static invokestatic and invokespecial calls to InterfaceMethod_ref Reviewed-by: dholmes, acorn

author	bharadwaj
date	Thu, 18 Apr 2013 08:05:35 -0700
parents	16885e702c88
children	6337ca4dcad8

rev	line source
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1 /*
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	2 * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	4 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	7 * published by the Free Software Foundation.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	8 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	13 * accompanied this code).
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	14 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1508 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1508 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1508 diff changeset	21 * questions.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	22 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	23 */
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	26 #include "classfile/symbolTable.hpp"
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3781 diff changeset	27 #include "compiler/compileBroker.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	28 #include "interpreter/interpreter.hpp"
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	29 #include "interpreter/oopMapCache.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	30 #include "memory/allocation.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	31 #include "memory/oopFactory.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	32 #include "prims/methodHandles.hpp"
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3781 diff changeset	33 #include "runtime/compilationPolicy.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	34 #include "runtime/javaCalls.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	35 #include "runtime/reflection.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	36 #include "runtime/signature.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	37 #include "runtime/stubRoutines.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	38
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	39
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	40 /*
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	41 * JSR 292 reference implementation: method handles
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	42 * The JDK 7 reference implementation represented method handle
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	43 * combinations as chains. Each link in the chain had a "vmentry"
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	44 * field which pointed at a bit of assembly code which performed
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	45 * one transformation before dispatching to the next link in the chain.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	46 *
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	47 * The current reference implementation pushes almost all code generation
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	48 * responsibility to (trusted) Java code. A method handle contains a
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	49 * pointer to its "LambdaForm", which embodies all details of the method
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	50 * handle's behavior. The LambdaForm is a normal Java object, managed
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	51 * by a runtime coded in Java.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	52 */
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	53
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	54 bool MethodHandles::_enabled = false; // set true after successful native linkage
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3744 diff changeset	55 MethodHandlesAdapterBlob* MethodHandles::_adapter_code = NULL;
1299 9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	56
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	57 //------------------------------------------------------------------------------
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	58 // MethodHandles::generate_adapters
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	59 //
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	60 void MethodHandles::generate_adapters() {
2416 38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2357 diff changeset	61 if (!EnableInvokeDynamic \|\| SystemDictionary::MethodHandle_klass() == NULL) return;
1299 9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	62
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	63 assert(_adapter_code == NULL, "generate only once");
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	64
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	65 ResourceMark rm;
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	66 TraceTime timer("MethodHandles adapters generation", TraceStartupTime);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3744 diff changeset	67 _adapter_code = MethodHandlesAdapterBlob::create(adapter_code_size);
1299 9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	68 if (_adapter_code == NULL)
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3744 diff changeset	69 vm_exit_out_of_memory(adapter_code_size, "CodeCache: no room for MethodHandles adapters");
4059 44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	70 {
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	71 CodeBuffer code(_adapter_code);
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	72 MethodHandlesAdapterGenerator g(&code);
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	73 g.generate();
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	74 code.log_section_sizes("MethodHandlesAdapterBlob");
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	75 }
1299 9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	76 }
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	77
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	78 //------------------------------------------------------------------------------
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	79 // MethodHandlesAdapterGenerator::generate
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	80 //
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	81 void MethodHandlesAdapterGenerator::generate() {
1299 9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	82 // Generate generic method handle adapters.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	83 // Generate interpreter entries
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	84 for (Interpreter::MethodKind mk = Interpreter::method_handle_invoke_FIRST;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	85 mk <= Interpreter::method_handle_invoke_LAST;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	86 mk = Interpreter::MethodKind(1 + (int)mk)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	87 vmIntrinsics::ID iid = Interpreter::method_handle_intrinsic(mk);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	88 StubCodeMark mark(this, "MethodHandle::interpreter_entry", vmIntrinsics::name_at(iid));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	89 address entry = MethodHandles::generate_method_handle_interpreter_entry(_masm, iid);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	90 if (entry != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	91 Interpreter::set_entry_for_kind(mk, entry);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3274 diff changeset	92 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	93 // If the entry is not set, it will throw AbstractMethodError.
1299 9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	94 }
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	95 }
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	96
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	97 void MethodHandles::set_enabled(bool z) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	98 if (_enabled != z) {
2416 38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2357 diff changeset	99 guarantee(z && EnableInvokeDynamic, "can only enable once, and only if -XX:+EnableInvokeDynamic");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	100 _enabled = z;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	101 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	102 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	103
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	104 // MemberName support
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	105
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	106 // import java_lang_invoke_MemberName.*
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	107 enum {
8866 16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	108 IS_METHOD = java_lang_invoke_MemberName::MN_IS_METHOD,
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	109 IS_CONSTRUCTOR = java_lang_invoke_MemberName::MN_IS_CONSTRUCTOR,
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	110 IS_FIELD = java_lang_invoke_MemberName::MN_IS_FIELD,
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	111 IS_TYPE = java_lang_invoke_MemberName::MN_IS_TYPE,
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	112 CALLER_SENSITIVE = java_lang_invoke_MemberName::MN_CALLER_SENSITIVE,
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	113 REFERENCE_KIND_SHIFT = java_lang_invoke_MemberName::MN_REFERENCE_KIND_SHIFT,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	114 REFERENCE_KIND_MASK = java_lang_invoke_MemberName::MN_REFERENCE_KIND_MASK,
8866 16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	115 SEARCH_SUPERCLASSES = java_lang_invoke_MemberName::MN_SEARCH_SUPERCLASSES,
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	116 SEARCH_INTERFACES = java_lang_invoke_MemberName::MN_SEARCH_INTERFACES,
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	117 ALL_KINDS = IS_METHOD \| IS_CONSTRUCTOR \| IS_FIELD \| IS_TYPE
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	118 };
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	119
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	120 Handle MethodHandles::new_MemberName(TRAPS) {
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	121 Handle empty;
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	122 instanceKlassHandle k(THREAD, SystemDictionary::MemberName_klass());
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	123 if (!k->is_initialized()) k->initialize(CHECK_(empty));
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	124 return Handle(THREAD, k->allocate_instance(THREAD));
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	125 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	126
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	127 oop MethodHandles::init_MemberName(oop mname_oop, oop target_oop) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	128 Klass* target_klass = target_oop->klass();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	129 if (target_klass == SystemDictionary::reflect_Field_klass()) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	130 oop clazz = java_lang_reflect_Field::clazz(target_oop); // fd.field_holder()
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	131 int slot = java_lang_reflect_Field::slot(target_oop); // fd.index()
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	132 int mods = java_lang_reflect_Field::modifiers(target_oop);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	133 oop type = java_lang_reflect_Field::type(target_oop);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	134 oop name = java_lang_reflect_Field::name(target_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	135 Klass* k = java_lang_Class::as_Klass(clazz);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	136 intptr_t offset = InstanceKlass::cast(k)->field_offset(slot);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	137 return init_field_MemberName(mname_oop, k, accessFlags_from(mods), type, name, offset);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	138 } else if (target_klass == SystemDictionary::reflect_Method_klass()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	139 oop clazz = java_lang_reflect_Method::clazz(target_oop);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	140 int slot = java_lang_reflect_Method::slot(target_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	141 Klass* k = java_lang_Class::as_Klass(clazz);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	142 if (k != NULL && k->oop_is_instance()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	143 Method* m = InstanceKlass::cast(k)->method_with_idnum(slot);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	144 return init_method_MemberName(mname_oop, m, true, k);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	145 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	146 } else if (target_klass == SystemDictionary::reflect_Constructor_klass()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	147 oop clazz = java_lang_reflect_Constructor::clazz(target_oop);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	148 int slot = java_lang_reflect_Constructor::slot(target_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	149 Klass* k = java_lang_Class::as_Klass(clazz);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	150 if (k != NULL && k->oop_is_instance()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	151 Method* m = InstanceKlass::cast(k)->method_with_idnum(slot);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	152 return init_method_MemberName(mname_oop, m, false, k);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	153 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	154 } else if (target_klass == SystemDictionary::MemberName_klass()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	155 // Note: This only works if the MemberName has already been resolved.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	156 oop clazz = java_lang_invoke_MemberName::clazz(target_oop);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	157 int flags = java_lang_invoke_MemberName::flags(target_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	158 Metadata* vmtarget=java_lang_invoke_MemberName::vmtarget(target_oop);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	159 intptr_t vmindex = java_lang_invoke_MemberName::vmindex(target_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	160 Klass* k = java_lang_Class::as_Klass(clazz);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	161 int ref_kind = (flags >> REFERENCE_KIND_SHIFT) & REFERENCE_KIND_MASK;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	162 if (vmtarget == NULL) return NULL; // not resolved
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	163 if ((flags & IS_FIELD) != 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	164 assert(vmtarget->is_klass(), "field vmtarget is Klass*");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	165 int basic_mods = (ref_kind_is_static(ref_kind) ? JVM_ACC_STATIC : 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	166 // FIXME: how does k (receiver_limit) contribute?
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	167 return init_field_MemberName(mname_oop, (Klass*)vmtarget, accessFlags_from(basic_mods), NULL, NULL, vmindex);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	168 } else if ((flags & (IS_METHOD \| IS_CONSTRUCTOR)) != 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	169 assert(vmtarget->is_method(), "method or constructor vmtarget is Method*");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	170 return init_method_MemberName(mname_oop, (Method*)vmtarget, ref_kind_does_dispatch(ref_kind), k);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	171 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	172 return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	173 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	174 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	175 return NULL;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	176 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	177
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	178 oop MethodHandles::init_method_MemberName(oop mname_oop, Method* m, bool do_dispatch,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	179 Klass* receiver_limit) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	180 AccessFlags mods = m->access_flags();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	181 int flags = (jushort)( mods.as_short() & JVM_RECOGNIZED_METHOD_MODIFIERS );
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	182 int vmindex = Method::nonvirtual_vtable_index; // implies never any dispatch
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	183 Klass* mklass = m->method_holder();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	184 if (receiver_limit == NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	185 receiver_limit = mklass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	186 if (m->is_initializer()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	187 flags \|= IS_CONSTRUCTOR \| (JVM_REF_invokeSpecial << REFERENCE_KIND_SHIFT);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	188 } else if (mods.is_static()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	189 flags \|= IS_METHOD \| (JVM_REF_invokeStatic << REFERENCE_KIND_SHIFT);
10128 41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial bharadwaj parents: 8866 diff changeset	190 // Check if this method is a lambda method that is generated as
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial bharadwaj parents: 8866 diff changeset	191 // private static method.
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial bharadwaj parents: 8866 diff changeset	192 if (m->is_private() && m->method_holder()->is_interface()) {
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial bharadwaj parents: 8866 diff changeset	193 vmindex = klassItable::compute_itable_index(m);
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial bharadwaj parents: 8866 diff changeset	194 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	195 } else if (receiver_limit != mklass &&
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	196 !receiver_limit->is_subtype_of(mklass)) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	197 return NULL; // bad receiver limit
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	198 } else if (receiver_limit->is_interface() &&
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	199 mklass->is_interface()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	200 flags \|= IS_METHOD \| (JVM_REF_invokeInterface << REFERENCE_KIND_SHIFT);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	201 receiver_limit = mklass; // ignore passed-in limit; interfaces are interconvertible
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	202 vmindex = klassItable::compute_itable_index(m);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	203 } else if (mklass != receiver_limit && mklass->is_interface()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	204 flags \|= IS_METHOD \| (JVM_REF_invokeVirtual << REFERENCE_KIND_SHIFT);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	205 // it is a miranda method, so m->vtable_index is not what we want
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	206 ResourceMark rm;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	207 klassVtable* vt = InstanceKlass::cast(receiver_limit)->vtable();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	208 vmindex = vt->index_of_miranda(m->name(), m->signature());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	209 } else if (!do_dispatch \|\| m->can_be_statically_bound()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	210 flags \|= IS_METHOD \| (JVM_REF_invokeSpecial << REFERENCE_KIND_SHIFT);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	211 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	212 flags \|= IS_METHOD \| (JVM_REF_invokeVirtual << REFERENCE_KIND_SHIFT);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	213 vmindex = m->vtable_index();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	214 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	215
8866 16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	216 // @CallerSensitive annotation detected
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	217 if (m->caller_sensitive()) {
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	218 flags \|= CALLER_SENSITIVE;
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	219 }
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	220
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	221 java_lang_invoke_MemberName::set_flags( mname_oop, flags);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	222 java_lang_invoke_MemberName::set_vmtarget(mname_oop, m);
8866 16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	223 java_lang_invoke_MemberName::set_vmindex( mname_oop, vmindex); // vtable/itable index
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	224 java_lang_invoke_MemberName::set_clazz( mname_oop, receiver_limit->java_mirror());
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	225 // Note: name and type can be lazily computed by resolve_MemberName,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	226 // if Java code needs them as resolved String and MethodType objects.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	227 // The clazz must be eagerly stored, because it provides a GC
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	228 // root to help keep alive the Method*.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	229 // If relevant, the vtable or itable value is stored as vmindex.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	230 // This is done eagerly, since it is readily available without
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	231 // constructing any new objects.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	232 // TO DO: maybe intern mname_oop
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	233 return mname_oop;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	234 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	235
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	236 Handle MethodHandles::init_method_MemberName(oop mname_oop, CallInfo& info, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	237 Handle empty;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	238 if (info.resolved_appendix().not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	239 // The resolved MemberName must not be accompanied by an appendix argument,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	240 // since there is no way to bind this value into the MemberName.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	241 // Caller is responsible to prevent this from happening.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	242 THROW_MSG_(vmSymbols::java_lang_InternalError(), "appendix", empty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	243 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	244 methodHandle m = info.resolved_method();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	245 KlassHandle defc = info.resolved_klass();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	246 int vmindex = -1;
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6852 diff changeset	247 if (defc->is_interface() && m->method_holder()->is_interface()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	248 // LinkResolver does not report itable indexes! (fix this?)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	249 vmindex = klassItable::compute_itable_index(m());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	250 } else if (m->can_be_statically_bound()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	251 // LinkResolver reports vtable index even for final methods!
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	252 vmindex = Method::nonvirtual_vtable_index;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	253 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	254 vmindex = info.vtable_index();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	255 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	256 oop res = init_method_MemberName(mname_oop, m(), (vmindex >= 0), defc());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	257 assert(res == NULL \|\| (java_lang_invoke_MemberName::vmindex(res) == vmindex), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	258 return Handle(THREAD, res);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	259 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	260
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	261 oop MethodHandles::init_field_MemberName(oop mname_oop, Klass* field_holder,
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	262 AccessFlags mods, oop type, oop name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	263 intptr_t offset, bool is_setter) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	264 int flags = (jushort)( mods.as_short() & JVM_RECOGNIZED_FIELD_MODIFIERS );
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	265 flags \|= IS_FIELD \| ((mods.is_static() ? JVM_REF_getStatic : JVM_REF_getField) << REFERENCE_KIND_SHIFT);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	266 if (is_setter) flags += ((JVM_REF_putField - JVM_REF_getField) << REFERENCE_KIND_SHIFT);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	267 Metadata* vmtarget = field_holder;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	268 int vmindex = offset; // determines the field uniquely when combined with static bit
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	269 java_lang_invoke_MemberName::set_flags(mname_oop, flags);
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	270 java_lang_invoke_MemberName::set_vmtarget(mname_oop, vmtarget);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	271 java_lang_invoke_MemberName::set_vmindex(mname_oop, vmindex);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	272 java_lang_invoke_MemberName::set_clazz(mname_oop, field_holder->java_mirror());
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	273 if (name != NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	274 java_lang_invoke_MemberName::set_name(mname_oop, name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	275 if (type != NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	276 java_lang_invoke_MemberName::set_type(mname_oop, type);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	277 // Note: name and type can be lazily computed by resolve_MemberName,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	278 // if Java code needs them as resolved String and Class objects.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	279 // Note that the incoming type oop might be pre-resolved (non-null).
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	280 // The base clazz and field offset (vmindex) must be eagerly stored,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	281 // because they unambiguously identify the field.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	282 // Although the fieldDescriptor::_index would also identify the field,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	283 // we do not use it, because it is harder to decode.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	284 // TO DO: maybe intern mname_oop
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	285 return mname_oop;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	286 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	287
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	288 Handle MethodHandles::init_field_MemberName(oop mname_oop, FieldAccessInfo& info, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	289 return Handle();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	290 #if 0 // FIXME
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	291 KlassHandle field_holder = info.klass();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	292 intptr_t field_offset = info.field_offset();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	293 return init_field_MemberName(mname_oop, field_holder(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	294 info.access_flags(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	295 type, name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	296 field_offset, false /is_setter/);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	297 #endif
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	298 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	299
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	300
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	301 // JVM 2.9 Special Methods:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	302 // A method is signature polymorphic if and only if all of the following conditions hold :
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	303 // * It is declared in the java.lang.invoke.MethodHandle class.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	304 // * It has a single formal parameter of type Object[].
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	305 // * It has a return type of Object.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	306 // * It has the ACC_VARARGS and ACC_NATIVE flags set.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	307 bool MethodHandles::is_method_handle_invoke_name(Klass* klass, Symbol* name) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	308 if (klass == NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	309 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	310 // The following test will fail spuriously during bootstrap of MethodHandle itself:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	311 // if (klass != SystemDictionary::MethodHandle_klass())
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	312 // Test the name instead:
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	313 if (klass->name() != vmSymbols::java_lang_invoke_MethodHandle())
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	314 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	315 Symbol* poly_sig = vmSymbols::object_array_object_signature();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	316 Method* m = InstanceKlass::cast(klass)->find_method(name, poly_sig);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	317 if (m == NULL) return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	318 int required = JVM_ACC_NATIVE \| JVM_ACC_VARARGS;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	319 int flags = m->access_flags().as_int();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	320 return (flags & required) == required;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	321 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	322
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	323
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	324 Symbol* MethodHandles::signature_polymorphic_intrinsic_name(vmIntrinsics::ID iid) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	325 assert(is_signature_polymorphic_intrinsic(iid), err_msg("iid=%d", iid));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	326 switch (iid) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	327 case vmIntrinsics::_invokeBasic: return vmSymbols::invokeBasic_name();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	328 case vmIntrinsics::_linkToVirtual: return vmSymbols::linkToVirtual_name();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	329 case vmIntrinsics::_linkToStatic: return vmSymbols::linkToStatic_name();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	330 case vmIntrinsics::_linkToSpecial: return vmSymbols::linkToSpecial_name();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	331 case vmIntrinsics::_linkToInterface: return vmSymbols::linkToInterface_name();
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	332 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	333 assert(false, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	334 return 0;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	335 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	336
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	337 int MethodHandles::signature_polymorphic_intrinsic_ref_kind(vmIntrinsics::ID iid) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	338 switch (iid) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	339 case vmIntrinsics::_invokeBasic: return 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	340 case vmIntrinsics::_linkToVirtual: return JVM_REF_invokeVirtual;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	341 case vmIntrinsics::_linkToStatic: return JVM_REF_invokeStatic;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	342 case vmIntrinsics::_linkToSpecial: return JVM_REF_invokeSpecial;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	343 case vmIntrinsics::_linkToInterface: return JVM_REF_invokeInterface;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	344 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	345 assert(false, err_msg("iid=%d", iid));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	346 return 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	347 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	348
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	349 vmIntrinsics::ID MethodHandles::signature_polymorphic_name_id(Symbol* name) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	350 vmSymbols::SID name_id = vmSymbols::find_sid(name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	351 switch (name_id) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	352 // The ID _invokeGeneric stands for all non-static signature-polymorphic methods, except built-ins.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	353 case vmSymbols::VM_SYMBOL_ENUM_NAME(invoke_name): return vmIntrinsics::_invokeGeneric;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	354 // The only built-in non-static signature-polymorphic method is MethodHandle.invokeBasic:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	355 case vmSymbols::VM_SYMBOL_ENUM_NAME(invokeBasic_name): return vmIntrinsics::_invokeBasic;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	356
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	357 // There is one static signature-polymorphic method for each JVM invocation mode.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	358 case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToVirtual_name): return vmIntrinsics::_linkToVirtual;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	359 case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToStatic_name): return vmIntrinsics::_linkToStatic;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	360 case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToSpecial_name): return vmIntrinsics::_linkToSpecial;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	361 case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToInterface_name): return vmIntrinsics::_linkToInterface;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	362 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	363
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	364 // Cover the case of invokeExact and any future variants of invokeFoo.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	365 Klass* mh_klass = SystemDictionary::well_known_klass(
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	366 SystemDictionary::WK_KLASS_ENUM_NAME(MethodHandle_klass) );
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	367 if (mh_klass != NULL && is_method_handle_invoke_name(mh_klass, name))
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	368 return vmIntrinsics::_invokeGeneric;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	369
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	370 // Note: The pseudo-intrinsic _compiledLambdaForm is never linked against.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	371 // Instead it is used to mark lambda forms bound to invokehandle or invokedynamic.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	372 return vmIntrinsics::_none;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	373 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	374
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	375 vmIntrinsics::ID MethodHandles::signature_polymorphic_name_id(Klass* klass, Symbol* name) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	376 if (klass != NULL &&
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	377 klass->name() == vmSymbols::java_lang_invoke_MethodHandle()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	378 vmIntrinsics::ID iid = signature_polymorphic_name_id(name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	379 if (iid != vmIntrinsics::_none)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	380 return iid;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	381 if (is_method_handle_invoke_name(klass, name))
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	382 return vmIntrinsics::_invokeGeneric;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	383 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	384 return vmIntrinsics::_none;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	385 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	386
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	387
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	388 // convert the external string or reflective type to an internal signature
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	389 Symbol* MethodHandles::lookup_signature(oop type_str, bool intern_if_not_found, TRAPS) {
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	390 if (java_lang_invoke_MethodType::is_instance(type_str)) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	391 return java_lang_invoke_MethodType::as_signature(type_str, intern_if_not_found, CHECK_NULL);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	392 } else if (java_lang_Class::is_instance(type_str)) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	393 return java_lang_Class::as_signature(type_str, false, CHECK_NULL);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	394 } else if (java_lang_String::is_instance(type_str)) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	395 if (intern_if_not_found) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	396 return java_lang_String::as_symbol(type_str, CHECK_NULL);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	397 } else {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	398 return java_lang_String::as_symbol_or_null(type_str);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	399 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	400 } else {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	401 THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized type", NULL);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	402 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	403 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	404
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	405 static const char OBJ_SIG[] = "Ljava/lang/Object;";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	406 enum { OBJ_SIG_LEN = 18 };
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	407
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	408 bool MethodHandles::is_basic_type_signature(Symbol* sig) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	409 assert(vmSymbols::object_signature()->utf8_length() == (int)OBJ_SIG_LEN, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	410 assert(vmSymbols::object_signature()->equals(OBJ_SIG), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	411 const int len = sig->utf8_length();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	412 for (int i = 0; i < len; i++) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	413 switch (sig->byte_at(i)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	414 case 'L':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	415 // only java/lang/Object is valid here
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	416 if (sig->index_of_at(i, OBJ_SIG, OBJ_SIG_LEN) != i)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	417 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	418 i += OBJ_SIG_LEN-1; //-1 because of i++ in loop
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	419 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	420 case '(': case ')': case 'V':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	421 case 'I': case 'J': case 'F': case 'D':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	422 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	423 //case '[':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	424 //case 'Z': case 'B': case 'C': case 'S':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	425 default:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	426 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	427 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	428 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	429 return true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	430 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	431
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	432 Symbol* MethodHandles::lookup_basic_type_signature(Symbol* sig, bool keep_last_arg, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	433 Symbol* bsig = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	434 if (sig == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	435 return sig;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	436 } else if (is_basic_type_signature(sig)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	437 sig->increment_refcount();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	438 return sig; // that was easy
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	439 } else if (sig->byte_at(0) != '(') {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	440 BasicType bt = char2type(sig->byte_at(0));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	441 if (is_subword_type(bt)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	442 bsig = vmSymbols::int_signature();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	443 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	444 assert(bt == T_OBJECT \|\| bt == T_ARRAY, "is_basic_type_signature was false");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	445 bsig = vmSymbols::object_signature();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	446 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	447 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	448 ResourceMark rm;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	449 stringStream buffer(128);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	450 buffer.put('(');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	451 int arg_pos = 0, keep_arg_pos = -1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	452 if (keep_last_arg)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	453 keep_arg_pos = ArgumentCount(sig).size() - 1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	454 for (SignatureStream ss(sig); !ss.is_done(); ss.next()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	455 BasicType bt = ss.type();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	456 size_t this_arg_pos = buffer.size();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	457 if (ss.at_return_type()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	458 buffer.put(')');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	459 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	460 if (arg_pos == keep_arg_pos) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	461 buffer.write((char*) ss.raw_bytes(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	462 (int) ss.raw_length());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	463 } else if (bt == T_OBJECT \|\| bt == T_ARRAY) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	464 buffer.write(OBJ_SIG, OBJ_SIG_LEN);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	465 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	466 if (is_subword_type(bt))
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	467 bt = T_INT;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	468 buffer.put(type2char(bt));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	469 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	470 arg_pos++;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	471 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	472 const char* sigstr = buffer.base();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	473 int siglen = (int) buffer.size();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	474 bsig = SymbolTable::new_symbol(sigstr, siglen, THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	475 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	476 assert(is_basic_type_signature(bsig) \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	477 // detune assert in case the injected argument is not a basic type:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	478 keep_last_arg, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	479 return bsig;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	480 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	481
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	482 void MethodHandles::print_as_basic_type_signature_on(outputStream* st,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	483 Symbol* sig,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	484 bool keep_arrays,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	485 bool keep_basic_names) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	486 st = st ? st : tty;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	487 int len = sig->utf8_length();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	488 int array = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	489 bool prev_type = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	490 for (int i = 0; i < len; i++) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	491 char ch = sig->byte_at(i);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	492 switch (ch) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	493 case '(': case ')':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	494 prev_type = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	495 st->put(ch);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	496 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	497 case '[':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	498 if (!keep_basic_names && keep_arrays)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	499 st->put(ch);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	500 array++;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	501 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	502 case 'L':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	503 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	504 if (prev_type) st->put(',');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	505 int start = i+1, slash = start;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	506 while (++i < len && (ch = sig->byte_at(i)) != ';') {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	507 if (ch == '/' \|\| ch == '.' \|\| ch == '$') slash = i+1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	508 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	509 if (slash < i) start = slash;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	510 if (!keep_basic_names) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	511 st->put('L');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	512 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	513 for (int j = start; j < i; j++)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	514 st->put(sig->byte_at(j));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	515 prev_type = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	516 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	517 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	518 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	519 default:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	520 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	521 if (array && char2type(ch) != T_ILLEGAL && !keep_arrays) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	522 ch = '[';
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	523 array = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	524 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	525 if (prev_type) st->put(',');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	526 const char* n = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	527 if (keep_basic_names)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	528 n = type2name(char2type(ch));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	529 if (n == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	530 // unknown letter, or we don't want to know its name
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	531 st->put(ch);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	532 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	533 st->print(n);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	534 prev_type = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	535 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	536 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	537 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	538 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	539 // Switch break goes here to take care of array suffix:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	540 if (prev_type) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	541 while (array > 0) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	542 st->print("[]");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	543 --array;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	544 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	545 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	546 array = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	547 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	548 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	549
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	550
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	551
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	552 static oop object_java_mirror() {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	553 return SystemDictionary::Object_klass()->java_mirror();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	554 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	555
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	556 static oop field_name_or_null(Symbol* s) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	557 if (s == NULL) return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	558 return StringTable::lookup(s);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	559 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	560
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	561 static oop field_signature_type_or_null(Symbol* s) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	562 if (s == NULL) return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	563 BasicType bt = FieldType::basic_type(s);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	564 if (is_java_primitive(bt)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	565 assert(s->utf8_length() == 1, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	566 return java_lang_Class::primitive_mirror(bt);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	567 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	568 // Here are some more short cuts for common types.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	569 // They are optional, since reference types can be resolved lazily.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	570 if (bt == T_OBJECT) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	571 if (s == vmSymbols::object_signature()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	572 return object_java_mirror();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	573 } else if (s == vmSymbols::class_signature()) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	574 return SystemDictionary::Class_klass()->java_mirror();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	575 } else if (s == vmSymbols::string_signature()) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	576 return SystemDictionary::String_klass()->java_mirror();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	577 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	578 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	579 return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	580 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	581
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	582
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	583 // An unresolved member name is a mere symbolic reference.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	584 // Resolving it plants a vmtarget/vmindex in it,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	585 // which refers directly to JVM internals.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	586 Handle MethodHandles::resolve_MemberName(Handle mname, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	587 Handle empty;
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	588 assert(java_lang_invoke_MemberName::is_instance(mname()), "");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	589
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	590 if (java_lang_invoke_MemberName::vmtarget(mname()) != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	591 // Already resolved.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	592 DEBUG_ONLY(int vmindex = java_lang_invoke_MemberName::vmindex(mname()));
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	593 assert(vmindex >= Method::nonvirtual_vtable_index, "");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	594 return mname;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	595 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	596
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	597 Handle defc_oop(THREAD, java_lang_invoke_MemberName::clazz(mname()));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	598 Handle name_str(THREAD, java_lang_invoke_MemberName::name( mname()));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	599 Handle type_str(THREAD, java_lang_invoke_MemberName::type( mname()));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	600 int flags = java_lang_invoke_MemberName::flags(mname());
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	601 int ref_kind = (flags >> REFERENCE_KIND_SHIFT) & REFERENCE_KIND_MASK;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	602 if (!ref_kind_is_valid(ref_kind)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	603 THROW_MSG_(vmSymbols::java_lang_InternalError(), "obsolete MemberName format", empty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	604 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	605
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	606 DEBUG_ONLY(int old_vmindex);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	607 assert((old_vmindex = java_lang_invoke_MemberName::vmindex(mname())) == 0, "clean input");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	608
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	609 if (defc_oop.is_null() \|\| name_str.is_null() \|\| type_str.is_null()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	610 THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(), "nothing to resolve", empty);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	611 }
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	612
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	613 instanceKlassHandle defc;
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	614 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	615 Klass* defc_klass = java_lang_Class::as_Klass(defc_oop());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	616 if (defc_klass == NULL) return empty; // a primitive; no resolution possible
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	617 if (!defc_klass->oop_is_instance()) {
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	618 if (!defc_klass->oop_is_array()) return empty;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	619 defc_klass = SystemDictionary::Object_klass();
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	620 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	621 defc = instanceKlassHandle(THREAD, defc_klass);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	622 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	623 if (defc.is_null()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	624 THROW_MSG_(vmSymbols::java_lang_InternalError(), "primitive class", empty);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	625 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	626 defc->link_class(CHECK_(empty)); // possible safepoint
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	627
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	628 // convert the external string name to an internal symbol
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	629 TempNewSymbol name = java_lang_String::as_symbol_or_null(name_str());
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	630 if (name == NULL) return empty; // no such name
3781 d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3757 diff changeset	631 if (name == vmSymbols::class_initializer_name())
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	632 return empty; // illegal name
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	633
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	634 vmIntrinsics::ID mh_invoke_id = vmIntrinsics::_none;
1508 2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors jrose parents: 1507 diff changeset	635 if ((flags & ALL_KINDS) == IS_METHOD &&
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	636 (defc() == SystemDictionary::MethodHandle_klass()) &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	637 (ref_kind == JVM_REF_invokeVirtual \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	638 ref_kind == JVM_REF_invokeSpecial \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	639 // static invocation mode is required for _linkToVirtual, etc.:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	640 ref_kind == JVM_REF_invokeStatic)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	641 vmIntrinsics::ID iid = signature_polymorphic_name_id(name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	642 if (iid != vmIntrinsics::_none &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	643 ((ref_kind == JVM_REF_invokeStatic) == is_signature_polymorphic_static(iid))) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	644 // Virtual methods invoke and invokeExact, plus internal invokers like _invokeBasic.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	645 // For a static reference it could an internal linkage routine like _linkToVirtual, etc.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	646 mh_invoke_id = iid;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	647 }
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	648 }
1508 2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors jrose parents: 1507 diff changeset	649
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	650 // convert the external string or reflective type to an internal signature
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	651 TempNewSymbol type = lookup_signature(type_str(), (mh_invoke_id != vmIntrinsics::_none), CHECK_(empty));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	652 if (type == NULL) return empty; // no such signature exists in the VM
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	653
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	654 // Time to do the lookup.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	655 switch (flags & ALL_KINDS) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	656 case IS_METHOD:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	657 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	658 CallInfo result;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	659 bool do_dispatch = true; // default, neutral setting
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	660 {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	661 assert(!HAS_PENDING_EXCEPTION, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	662 if (ref_kind == JVM_REF_invokeStatic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	663 //do_dispatch = false; // no need, since statics are never dispatched
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	664 LinkResolver::resolve_static_call(result,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	665 defc, name, type, KlassHandle(), false, false, THREAD);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	666 } else if (ref_kind == JVM_REF_invokeInterface) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	667 LinkResolver::resolve_interface_call(result, Handle(), defc,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	668 defc, name, type, KlassHandle(), false, false, THREAD);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	669 } else if (mh_invoke_id != vmIntrinsics::_none) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	670 assert(!is_signature_polymorphic_static(mh_invoke_id), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	671 LinkResolver::resolve_handle_call(result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	672 defc, name, type, KlassHandle(), THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	673 } else if (ref_kind == JVM_REF_invokeSpecial) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	674 do_dispatch = false; // force non-virtual linkage
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	675 LinkResolver::resolve_special_call(result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	676 defc, name, type, KlassHandle(), false, THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	677 } else if (ref_kind == JVM_REF_invokeVirtual) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	678 LinkResolver::resolve_virtual_call(result, Handle(), defc,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	679 defc, name, type, KlassHandle(), false, false, THREAD);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	680 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	681 assert(false, err_msg("ref_kind=%d", ref_kind));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	682 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	683 if (HAS_PENDING_EXCEPTION) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	684 return empty;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	685 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	686 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	687 return init_method_MemberName(mname(), result, THREAD);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	688 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	689 case IS_CONSTRUCTOR:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	690 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	691 CallInfo result;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	692 {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	693 assert(!HAS_PENDING_EXCEPTION, "");
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	694 if (name == vmSymbols::object_initializer_name()) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	695 LinkResolver::resolve_special_call(result,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	696 defc, name, type, KlassHandle(), false, THREAD);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	697 } else {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	698 break; // will throw after end of switch
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	699 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	700 if (HAS_PENDING_EXCEPTION) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	701 return empty;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	702 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	703 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	704 assert(result.is_statically_bound(), "");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	705 return init_method_MemberName(mname(), result, THREAD);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	706 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	707 case IS_FIELD:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	708 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	709 // This is taken from LinkResolver::resolve_field, sans access checks.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	710 fieldDescriptor fd; // find_field initializes fd if found
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	711 KlassHandle sel_klass(THREAD, InstanceKlass::cast(defc())->find_field(name, type, &fd));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	712 // check if field exists; i.e., if a klass containing the field def has been selected
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	713 if (sel_klass.is_null()) return empty; // should not happen
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	714 oop type = field_signature_type_or_null(fd.signature());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	715 oop name = field_name_or_null(fd.name());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	716 bool is_setter = (ref_kind_is_valid(ref_kind) && ref_kind_is_setter(ref_kind));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	717 mname = Handle(THREAD,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	718 init_field_MemberName(mname(), sel_klass(),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	719 fd.access_flags(), type, name, fd.offset(), is_setter));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	720 return mname;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	721 }
1508 2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors jrose parents: 1507 diff changeset	722 default:
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	723 THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format", empty);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	724 }
1508 2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors jrose parents: 1507 diff changeset	725
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	726 return empty;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	727 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	728
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	729 // Conversely, a member name which is only initialized from JVM internals
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	730 // may have null defc, name, and type fields.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	731 // Resolving it plants a vmtarget/vmindex in it,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	732 // which refers directly to JVM internals.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	733 void MethodHandles::expand_MemberName(Handle mname, int suppress, TRAPS) {
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	734 assert(java_lang_invoke_MemberName::is_instance(mname()), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	735 Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(mname());
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	736 int vmindex = java_lang_invoke_MemberName::vmindex(mname());
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	737 if (vmtarget == NULL) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	738 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "nothing to expand");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	739 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	740
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	741 bool have_defc = (java_lang_invoke_MemberName::clazz(mname()) != NULL);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	742 bool have_name = (java_lang_invoke_MemberName::name(mname()) != NULL);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	743 bool have_type = (java_lang_invoke_MemberName::type(mname()) != NULL);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	744 int flags = java_lang_invoke_MemberName::flags(mname());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	745
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	746 if (suppress != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	747 if (suppress & _suppress_defc) have_defc = true;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	748 if (suppress & _suppress_name) have_name = true;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	749 if (suppress & _suppress_type) have_type = true;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	750 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	751
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	752 if (have_defc && have_name && have_type) return; // nothing needed
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	753
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	754 switch (flags & ALL_KINDS) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	755 case IS_METHOD:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	756 case IS_CONSTRUCTOR:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	757 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	758 assert(vmtarget->is_method(), "method or constructor vmtarget is Method*");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	759 methodHandle m(THREAD, (Method*)vmtarget);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	760 DEBUG_ONLY(vmtarget = NULL); // safety
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	761 if (m.is_null()) break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	762 if (!have_defc) {
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6852 diff changeset	763 InstanceKlass* defc = m->method_holder();
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6852 diff changeset	764 java_lang_invoke_MemberName::set_clazz(mname(), defc->java_mirror());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	765 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	766 if (!have_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	767 //not java_lang_String::create_from_symbol; let's intern member names
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	768 Handle name = StringTable::intern(m->name(), CHECK);
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	769 java_lang_invoke_MemberName::set_name(mname(), name());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	770 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	771 if (!have_type) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	772 Handle type = java_lang_String::create_from_symbol(m->signature(), CHECK);
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	773 java_lang_invoke_MemberName::set_type(mname(), type());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	774 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	775 return;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	776 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	777 case IS_FIELD:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	778 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	779 // This is taken from LinkResolver::resolve_field, sans access checks.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	780 assert(vmtarget->is_klass(), "field vmtarget is Klass*");
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	781 if (!((Klass*) vmtarget)->oop_is_instance()) break;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	782 instanceKlassHandle defc(THREAD, (Klass*) vmtarget);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	783 DEBUG_ONLY(vmtarget = NULL); // safety
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	784 bool is_static = ((flags & JVM_ACC_STATIC) != 0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	785 fieldDescriptor fd; // find_field initializes fd if found
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	786 if (!defc->find_field_from_offset(vmindex, is_static, &fd))
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	787 break; // cannot expand
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	788 if (!have_defc) {
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	789 java_lang_invoke_MemberName::set_clazz(mname(), defc->java_mirror());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	790 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	791 if (!have_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	792 //not java_lang_String::create_from_symbol; let's intern member names
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	793 Handle name = StringTable::intern(fd.name(), CHECK);
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	794 java_lang_invoke_MemberName::set_name(mname(), name());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	795 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	796 if (!have_type) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	797 // If it is a primitive field type, don't mess with short strings like "I".
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	798 Handle type = field_signature_type_or_null(fd.signature());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	799 if (type.is_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	800 java_lang_String::create_from_symbol(fd.signature(), CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	801 }
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	802 java_lang_invoke_MemberName::set_type(mname(), type());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	803 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	804 return;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	805 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	806 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	807 THROW_MSG(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	808 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	809
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	810 int MethodHandles::find_MemberNames(Klass* k,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	811 Symbol* name, Symbol* sig,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	812 int mflags, Klass* caller,
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	813 int skip, objArrayOop results) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	814 DEBUG_ONLY(No_Safepoint_Verifier nsv);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	815 // this code contains no safepoints!
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	816
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	817 // %%% take caller into account!
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	818
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	819 if (k == NULL \|\| !k->oop_is_instance()) return -1;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	820
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	821 int rfill = 0, rlimit = results->length(), rskip = skip;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	822 // overflow measurement:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	823 int overflow = 0, overflow_limit = MAX2(1000, rlimit);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	824
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	825 int match_flags = mflags;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	826 bool search_superc = ((match_flags & SEARCH_SUPERCLASSES) != 0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	827 bool search_intfc = ((match_flags & SEARCH_INTERFACES) != 0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	828 bool local_only = !(search_superc \| search_intfc);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	829 bool classes_only = false;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	830
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	831 if (name != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	832 if (name->utf8_length() == 0) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	833 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	834 if (sig != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	835 if (sig->utf8_length() == 0) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	836 if (sig->byte_at(0) == '(')
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	837 match_flags &= ~(IS_FIELD \| IS_TYPE);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	838 else
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	839 match_flags &= ~(IS_CONSTRUCTOR \| IS_METHOD);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	840 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	841
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	842 if ((match_flags & IS_TYPE) != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	843 // NYI, and Core Reflection works quite well for this query
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	844 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	845
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	846 if ((match_flags & IS_FIELD) != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	847 for (FieldStream st(k, local_only, !search_intfc); !st.eos(); st.next()) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	848 if (name != NULL && st.name() != name)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	849 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	850 if (sig != NULL && st.signature() != sig)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	851 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	852 // passed the filters
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	853 if (rskip > 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	854 --rskip;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	855 } else if (rfill < rlimit) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	856 oop result = results->obj_at(rfill++);
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	857 if (!java_lang_invoke_MemberName::is_instance(result))
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	858 return -99; // caller bug!
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	859 oop type = field_signature_type_or_null(st.signature());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	860 oop name = field_name_or_null(st.name());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	861 oop saved = MethodHandles::init_field_MemberName(result, st.klass()(),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	862 st.access_flags(), type, name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	863 st.offset());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	864 if (saved != result)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	865 results->obj_at_put(rfill-1, saved); // show saved instance to user
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	866 } else if (++overflow >= overflow_limit) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	867 match_flags = 0; break; // got tired of looking at overflow
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	868 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	869 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	870 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	871
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	872 if ((match_flags & (IS_METHOD \| IS_CONSTRUCTOR)) != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	873 // watch out for these guys:
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	874 Symbol* init_name = vmSymbols::object_initializer_name();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	875 Symbol* clinit_name = vmSymbols::class_initializer_name();
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	876 if (name == clinit_name) clinit_name = NULL; // hack for exposing <clinit>
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	877 bool negate_name_test = false;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	878 // fix name so that it captures the intention of IS_CONSTRUCTOR
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	879 if (!(match_flags & IS_METHOD)) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	880 // constructors only
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	881 if (name == NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	882 name = init_name;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	883 } else if (name != init_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	884 return 0; // no constructors of this method name
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	885 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	886 } else if (!(match_flags & IS_CONSTRUCTOR)) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	887 // methods only
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	888 if (name == NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	889 name = init_name;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	890 negate_name_test = true; // if we see the name, we omit the entry
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	891 } else if (name == init_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	892 return 0; // no methods of this constructor name
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	893 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	894 } else {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	895 // caller will accept either sort; no need to adjust name
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	896 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	897 for (MethodStream st(k, local_only, !search_intfc); !st.eos(); st.next()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	898 Method* m = st.method();
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	899 Symbol* m_name = m->name();
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	900 if (m_name == clinit_name)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	901 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	902 if (name != NULL && ((m_name != name) ^ negate_name_test))
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	903 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	904 if (sig != NULL && m->signature() != sig)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	905 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	906 // passed the filters
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	907 if (rskip > 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	908 --rskip;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	909 } else if (rfill < rlimit) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	910 oop result = results->obj_at(rfill++);
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	911 if (!java_lang_invoke_MemberName::is_instance(result))
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	912 return -99; // caller bug!
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	913 oop saved = MethodHandles::init_method_MemberName(result, m, true, NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	914 if (saved != result)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	915 results->obj_at_put(rfill-1, saved); // show saved instance to user
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	916 } else if (++overflow >= overflow_limit) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	917 match_flags = 0; break; // got tired of looking at overflow
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	918 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	919 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	920 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	921
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	922 // return number of elements we at leasted wanted to initialize
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	923 return rfill + overflow;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	924 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	925 //
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	926 // Here are the native methods in java.lang.invoke.MethodHandleNatives
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	927 // They are the private interface between this JVM and the HotSpot-specific
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	928 // Java code that implements JSR 292 method handles.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	929 //
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	930 // Note: We use a JVM_ENTRY macro to define each of these, for this is the way
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	931 // that intrinsic (non-JNI) native methods are defined in HotSpot.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	932 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	933
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	934 JVM_ENTRY(jint, MHN_getConstant(JNIEnv *env, jobject igcls, jint which)) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	935 switch (which) {
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	936 case MethodHandles::GC_COUNT_GWT:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	937 #ifdef COMPILER2
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	938 return true;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	939 #else
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	940 return false;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	941 #endif
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	942 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	943 return 0;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	944 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	945 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	946
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	947 #ifndef PRODUCT
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	948 #define EACH_NAMED_CON(template, requirement) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	949 template(MethodHandles,GC_COUNT_GWT) \
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	950 template(java_lang_invoke_MemberName,MN_IS_METHOD) \
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	951 template(java_lang_invoke_MemberName,MN_IS_CONSTRUCTOR) \
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	952 template(java_lang_invoke_MemberName,MN_IS_FIELD) \
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	953 template(java_lang_invoke_MemberName,MN_IS_TYPE) \
8866 16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	954 template(java_lang_invoke_MemberName,MN_CALLER_SENSITIVE) \
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	955 template(java_lang_invoke_MemberName,MN_SEARCH_SUPERCLASSES) \
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	956 template(java_lang_invoke_MemberName,MN_SEARCH_INTERFACES) \
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	957 template(java_lang_invoke_MemberName,MN_REFERENCE_KIND_SHIFT) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	958 template(java_lang_invoke_MemberName,MN_REFERENCE_KIND_MASK) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	959 template(MethodHandles,GC_LAMBDA_SUPPORT) \
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	960 /end/
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	961
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	962 #define IGNORE_REQ(req_expr) /* req_expr */
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	963 #define ONE_PLUS(scope,value) 1+
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	964 static const int con_value_count = EACH_NAMED_CON(ONE_PLUS, IGNORE_REQ) 0;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	965 #define VALUE_COMMA(scope,value) scope::value,
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	966 static const int con_values[con_value_count+1] = { EACH_NAMED_CON(VALUE_COMMA, IGNORE_REQ) 0 };
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	967 #define STRING_NULL(scope,value) #value "\0"
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	968 static const char con_names[] = { EACH_NAMED_CON(STRING_NULL, IGNORE_REQ) };
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	969
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	970 static bool advertise_con_value(int which) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	971 if (which < 0) return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	972 bool ok = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	973 int count = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	974 #define INC_COUNT(scope,value) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	975 ++count;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	976 #define CHECK_REQ(req_expr) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	977 if (which < count) return ok; \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	978 ok = (req_expr);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	979 EACH_NAMED_CON(INC_COUNT, CHECK_REQ);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	980 #undef INC_COUNT
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	981 #undef CHECK_REQ
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	982 assert(count == con_value_count, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	983 if (which < count) return ok;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	984 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	985 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	986
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	987 #undef ONE_PLUS
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	988 #undef VALUE_COMMA
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	989 #undef STRING_NULL
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	990 #undef EACH_NAMED_CON
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	991 #endif // PRODUCT
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	992
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	993 JVM_ENTRY(jint, MHN_getNamedCon(JNIEnv *env, jobject igcls, jint which, jobjectArray box_jh)) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	994 #ifndef PRODUCT
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	995 if (advertise_con_value(which)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	996 assert(which >= 0 && which < con_value_count, "");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	997 int con = con_values[which];
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	998 objArrayHandle box(THREAD, (objArrayOop) JNIHandles::resolve(box_jh));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	999 if (box.not_null() && box->klass() == Universe::objectArrayKlassObj() && box->length() > 0) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1000 const char* str = &con_names[0];
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1001 for (int i = 0; i < which; i++)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1002 str += strlen(str) + 1; // skip name and null
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1003 oop name = java_lang_String::create_oop_from_str(str, CHECK_0); // possible safepoint
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1004 box->obj_at_put(0, name);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1005 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1006 return con;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1007 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1008 #endif
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1009 return 0;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1010 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1011 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1012
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1013 // void init(MemberName self, AccessibleObject ref)
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	1014 JVM_ENTRY(void, MHN_init_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jobject target_jh)) {
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3389 diff changeset	1015 if (mname_jh == NULL) { THROW_MSG(vmSymbols::java_lang_InternalError(), "mname is null"); }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3389 diff changeset	1016 if (target_jh == NULL) { THROW_MSG(vmSymbols::java_lang_InternalError(), "target is null"); }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1017 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1018 oop target_oop = JNIHandles::resolve_non_null(target_jh);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1019 MethodHandles::init_MemberName(mname(), target_oop);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1020 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1021 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1022
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1023 // void expand(MemberName self)
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	1024 JVM_ENTRY(void, MHN_expand_Mem(JNIEnv *env, jobject igcls, jobject mname_jh)) {
3740 5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly never parents: 3389 diff changeset	1025 if (mname_jh == NULL) { THROW_MSG(vmSymbols::java_lang_InternalError(), "mname is null"); }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1026 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1027 MethodHandles::expand_MemberName(mname, 0, CHECK);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1028 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1029 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1030
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1031 // void resolve(MemberName self, Class<?> caller)
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1032 JVM_ENTRY(jobject, MHN_resolve_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jclass caller_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1033 if (mname_jh == NULL) { THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "mname is null"); }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1034 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1035
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1036 // The trusted Java code that calls this method should already have performed
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1037 // access checks on behalf of the given caller. But, we can verify this.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1038 if (VerifyMethodHandles && caller_jh != NULL &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1039 java_lang_invoke_MemberName::clazz(mname()) != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1040 Klass* reference_klass = java_lang_Class::as_Klass(java_lang_invoke_MemberName::clazz(mname()));
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1041 if (reference_klass != NULL) {
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1042 // Emulate LinkResolver::check_klass_accessability.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1043 Klass* caller = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(caller_jh));
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1044 if (!Reflection::verify_class_access(caller,
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1045 reference_klass,
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1046 true)) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	1047 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), reference_klass->external_name());
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1048 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1049 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1050 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1051
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1052 Handle resolved = MethodHandles::resolve_MemberName(mname, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1053 if (resolved.is_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1054 int flags = java_lang_invoke_MemberName::flags(mname());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1055 int ref_kind = (flags >> REFERENCE_KIND_SHIFT) & REFERENCE_KIND_MASK;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1056 if (!MethodHandles::ref_kind_is_valid(ref_kind)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1057 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "obsolete MemberName format");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1058 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1059 if ((flags & ALL_KINDS) == IS_FIELD) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1060 THROW_MSG_NULL(vmSymbols::java_lang_NoSuchMethodError(), "field resolution failed");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1061 } else if ((flags & ALL_KINDS) == IS_METHOD \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1062 (flags & ALL_KINDS) == IS_CONSTRUCTOR) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1063 THROW_MSG_NULL(vmSymbols::java_lang_NoSuchFieldError(), "method resolution failed");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1064 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1065 THROW_MSG_NULL(vmSymbols::java_lang_LinkageError(), "resolution failed");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1066 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1067 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1068
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1069 return JNIHandles::make_local(THREAD, resolved());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1070 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1071 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1072
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1073 static jlong find_member_field_offset(oop mname, bool must_be_static, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1074 if (mname == NULL \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1075 java_lang_invoke_MemberName::vmtarget(mname) == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1076 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "mname not resolved");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1077 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1078 int flags = java_lang_invoke_MemberName::flags(mname);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1079 if ((flags & IS_FIELD) != 0 &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1080 (must_be_static
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1081 ? (flags & JVM_ACC_STATIC) != 0
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1082 : (flags & JVM_ACC_STATIC) == 0)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1083 int vmindex = java_lang_invoke_MemberName::vmindex(mname);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1084 return (jlong) vmindex;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1085 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1086 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1087 const char* msg = (must_be_static ? "static field required" : "non-static field required");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1088 THROW_MSG_0(vmSymbols::java_lang_InternalError(), msg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1089 return 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1090 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1091
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1092 JVM_ENTRY(jlong, MHN_objectFieldOffset(JNIEnv *env, jobject igcls, jobject mname_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1093 return find_member_field_offset(JNIHandles::resolve(mname_jh), false, THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1094 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1095 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1096
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1097 JVM_ENTRY(jlong, MHN_staticFieldOffset(JNIEnv *env, jobject igcls, jobject mname_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1098 return find_member_field_offset(JNIHandles::resolve(mname_jh), true, THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1099 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1100 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1101
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1102 JVM_ENTRY(jobject, MHN_staticFieldBase(JNIEnv *env, jobject igcls, jobject mname_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1103 // use the other function to perform sanity checks:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1104 jlong ignore = find_member_field_offset(JNIHandles::resolve(mname_jh), true, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1105 oop clazz = java_lang_invoke_MemberName::clazz(JNIHandles::resolve_non_null(mname_jh));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1106 return JNIHandles::make_local(THREAD, clazz);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1107 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1108 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1109
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1110 JVM_ENTRY(jobject, MHN_getMemberVMInfo(JNIEnv *env, jobject igcls, jobject mname_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1111 if (mname_jh == NULL) return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1112 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1113 intptr_t vmindex = java_lang_invoke_MemberName::vmindex(mname());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1114 Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(mname());
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1115 objArrayHandle result = oopFactory::new_objArray(SystemDictionary::Object_klass(), 2, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1116 jvalue vmindex_value; vmindex_value.j = (long)vmindex;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1117 oop x = java_lang_boxing_object::create(T_LONG, &vmindex_value, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1118 result->obj_at_put(0, x);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1119 x = NULL;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1120 if (vmtarget == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1121 x = NULL;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1122 } else if (vmtarget->is_klass()) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	1123 x = ((Klass*) vmtarget)->java_mirror();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1124 } else if (vmtarget->is_method()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1125 Handle mname2 = MethodHandles::new_MemberName(CHECK_NULL);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1126 x = MethodHandles::init_method_MemberName(mname2(), (Method*)vmtarget, false, NULL);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1127 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1128 result->obj_at_put(1, x);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1129 return JNIHandles::make_local(env, result());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1130 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1131 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1132
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1133
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1134
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1135 // static native int getMembers(Class<?> defc, String matchName, String matchSig,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1136 // int matchFlags, Class<?> caller, int skip, MemberName[] results);
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	1137 JVM_ENTRY(jint, MHN_getMembers(JNIEnv *env, jobject igcls,
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1138 jclass clazz_jh, jstring name_jh, jstring sig_jh,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1139 int mflags, jclass caller_jh, jint skip, jobjectArray results_jh)) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1140 if (clazz_jh == NULL \|\| results_jh == NULL) return -1;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1141 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz_jh)));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1142
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1143 objArrayHandle results(THREAD, (objArrayOop) JNIHandles::resolve(results_jh));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1144 if (results.is_null() \|\| !results->is_objArray()) return -1;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1145
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	1146 TempNewSymbol name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	1147 TempNewSymbol sig = NULL;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1148 if (name_jh != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1149 name = java_lang_String::as_symbol_or_null(JNIHandles::resolve_non_null(name_jh));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1150 if (name == NULL) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1151 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1152 if (sig_jh != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1153 sig = java_lang_String::as_symbol_or_null(JNIHandles::resolve_non_null(sig_jh));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1154 if (sig == NULL) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1155 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1156
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1157 KlassHandle caller;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1158 if (caller_jh != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1159 oop caller_oop = JNIHandles::resolve_non_null(caller_jh);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1160 if (!java_lang_Class::is_instance(caller_oop)) return -1;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1161 caller = KlassHandle(THREAD, java_lang_Class::as_Klass(caller_oop));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1162 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1163
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1164 if (name != NULL && sig != NULL && results.not_null()) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1165 // try a direct resolve
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1166 // %%% TO DO
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1167 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1168
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1169 int res = MethodHandles::find_MemberNames(k(), name, sig, mflags,
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1170 caller(), skip, results());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1171 // TO DO: expand at least some of the MemberNames, to avoid massive callbacks
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1172 return res;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1173 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1174 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1175
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1176 JVM_ENTRY(void, MHN_setCallSiteTargetNormal(JNIEnv* env, jobject igcls, jobject call_site_jh, jobject target_jh)) {
4043 12d38ffcba2a 7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check twisti parents: 3938 diff changeset	1177 Handle call_site(THREAD, JNIHandles::resolve_non_null(call_site_jh));
12d38ffcba2a 7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check twisti parents: 3938 diff changeset	1178 Handle target (THREAD, JNIHandles::resolve(target_jh));
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1179 {
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1180 // Walk all nmethods depending on this call site.
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1181 MutexLocker mu(Compile_lock, thread);
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1182 Universe::flush_dependents_on(call_site, target);
7418 5c0931d15474 8003238: JSR 292: intermittent exception failure with java/lang/invoke/CallSiteTest.java twisti parents: 6983 diff changeset	1183 java_lang_invoke_CallSite::set_target(call_site(), target());
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1184 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1185 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1186 JVM_END
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1187
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1188 JVM_ENTRY(void, MHN_setCallSiteTargetVolatile(JNIEnv* env, jobject igcls, jobject call_site_jh, jobject target_jh)) {
4043 12d38ffcba2a 7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check twisti parents: 3938 diff changeset	1189 Handle call_site(THREAD, JNIHandles::resolve_non_null(call_site_jh));
12d38ffcba2a 7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check twisti parents: 3938 diff changeset	1190 Handle target (THREAD, JNIHandles::resolve(target_jh));
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1191 {
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1192 // Walk all nmethods depending on this call site.
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1193 MutexLocker mu(Compile_lock, thread);
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1194 Universe::flush_dependents_on(call_site, target);
7418 5c0931d15474 8003238: JSR 292: intermittent exception failure with java/lang/invoke/CallSiteTest.java twisti parents: 6983 diff changeset	1195 java_lang_invoke_CallSite::set_target_volatile(call_site(), target());
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1196 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1197 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1198 JVM_END
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1199
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1200 /// JVM_RegisterMethodHandleMethods
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1201
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1202 #undef CS // Solaris builds complain
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1203
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1204 #define LANG "Ljava/lang/"
2460 ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1205 #define JLINV "Ljava/lang/invoke/"
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1206
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1207 #define OBJ LANG"Object;"
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1208 #define CLS LANG"Class;"
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1209 #define STRG LANG"String;"
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1210 #define CS JLINV"CallSite;"
2460 ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1211 #define MT JLINV"MethodType;"
ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1212 #define MH JLINV"MethodHandle;"
ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1213 #define MEM JLINV"MemberName;"
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1214
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1215 #define CC (char) /cast a literal from (const char)/
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1216 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1217
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1218 // These are the native methods on java.lang.invoke.MethodHandleNatives.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1219 static JNINativeMethod required_methods_JDK8[] = {
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1220 {CC"init", CC"("MEM""OBJ")V", FN_PTR(MHN_init_Mem)},
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1221 {CC"expand", CC"("MEM")V", FN_PTR(MHN_expand_Mem)},
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1222 {CC"resolve", CC"("MEM""CLS")"MEM, FN_PTR(MHN_resolve_Mem)},
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1223 {CC"getConstant", CC"(I)I", FN_PTR(MHN_getConstant)},
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1224 // static native int getNamedCon(int which, Object[] name)
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1225 {CC"getNamedCon", CC"(I["OBJ")I", FN_PTR(MHN_getNamedCon)},
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1226 // static native int getMembers(Class<?> defc, String matchName, String matchSig,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1227 // int matchFlags, Class<?> caller, int skip, MemberName[] results);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1228 {CC"getMembers", CC"("CLS""STRG""STRG"I"CLS"I["MEM")I", FN_PTR(MHN_getMembers)},
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1229 {CC"objectFieldOffset", CC"("MEM")J", FN_PTR(MHN_objectFieldOffset)},
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1230 {CC"setCallSiteTargetNormal", CC"("CS""MH")V", FN_PTR(MHN_setCallSiteTargetNormal)},
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1231 {CC"setCallSiteTargetVolatile", CC"("CS""MH")V", FN_PTR(MHN_setCallSiteTargetVolatile)},
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1232 {CC"staticFieldOffset", CC"("MEM")J", FN_PTR(MHN_staticFieldOffset)},
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1233 {CC"staticFieldBase", CC"("MEM")"OBJ, FN_PTR(MHN_staticFieldBase)},
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1234 {CC"getMemberVMInfo", CC"("MEM")"OBJ, FN_PTR(MHN_getMemberVMInfo)}
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1235 };
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1236
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1237 // This one function is exported, used by NativeLookup.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1238
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1239 JVM_ENTRY(void, JVM_RegisterMethodHandleMethods(JNIEnv *env, jclass MHN_class)) {
2416 38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2357 diff changeset	1240 if (!EnableInvokeDynamic) {
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2357 diff changeset	1241 warning("JSR 292 is disabled in this JVM. Use -XX:+UnlockDiagnosticVMOptions -XX:+EnableInvokeDynamic to enable.");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1242 return; // bind nothing
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1243 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1244
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1245 assert(!MethodHandles::enabled(), "must not be enabled");
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1246 bool enable_MH = true;
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1247
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1248 jclass MH_class = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1249 if (SystemDictionary::MethodHandle_klass() == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1250 enable_MH = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1251 } else {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	1252 oop mirror = SystemDictionary::MethodHandle_klass()->java_mirror();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1253 MH_class = (jclass) JNIHandles::make_local(env, mirror);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1254 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1255
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1256 int status;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1257
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1258 if (enable_MH) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1259 ThreadToNativeFromVM ttnfv(thread);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1260
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1261 status = env->RegisterNatives(MHN_class, required_methods_JDK8, sizeof(required_methods_JDK8)/sizeof(JNINativeMethod));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1262 if (status != JNI_OK \|\| env->ExceptionOccurred()) {
2460 ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1263 warning("JSR 292 method handle code is mismatched to this JVM. Disabling support.");
ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1264 enable_MH = false;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1265 env->ExceptionClear();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1266 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1267 }
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 710 diff changeset	1268
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1269 if (TraceInvokeDynamic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1270 tty->print_cr("MethodHandle support loaded (using LambdaForms)");
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1271 }
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1272
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1273 if (enable_MH) {
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	1274 MethodHandles::generate_adapters();
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1275 MethodHandles::set_enabled(true);
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1276 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1277 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1278 JVM_END

Mercurial > hg > graal-compiler

annotate src/share/vm/prims/methodHandles.cpp @ 10128:41ed397cc0cd