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

annotate src/share/vm/prims/methodHandles.cpp @ 10161:746b070f5022

8011661: Insufficient memory message says "malloc" when sometimes it should say "mmap" Reviewed-by: coleenp, zgu, hseigel

author	ccheung
date	Tue, 30 Apr 2013 11:56:52 -0700
parents	ce6d7e43501c
children	39ead0411f07 f0bc60565ba8

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"
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	32 #include "prims/jvmtiRedefineClassesTrace.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	33 #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	34 #include "runtime/compilationPolicy.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	35 #include "runtime/javaCalls.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	36 #include "runtime/reflection.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	37 #include "runtime/signature.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	38 #include "runtime/stubRoutines.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1912 diff changeset	39
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	40
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	41 /*
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	42 * 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	43 * 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	44 * 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	45 * 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	46 * 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	47 *
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	48 * 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	49 * 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	50 * 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	51 * 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	52 * by a runtime coded in Java.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	53 */
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	54
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	55 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	56 MethodHandlesAdapterBlob* MethodHandles::_adapter_code = NULL;
1299 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 //------------------------------------------------------------------------------
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	59 // MethodHandles::generate_adapters
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	60 //
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	61 void MethodHandles::generate_adapters() {
2416 38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2357 diff changeset	62 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	63
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	64 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	65
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	66 ResourceMark rm;
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	67 TraceTime timer("MethodHandles adapters generation", TraceStartupTime);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3744 diff changeset	68 _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	69 if (_adapter_code == NULL)
10161 746b070f5022 8011661: Insufficient memory message says "malloc" when sometimes it should say "mmap" ccheung parents: 10137 diff changeset	70 vm_exit_out_of_memory(adapter_code_size, OOM_MALLOC_ERROR,
746b070f5022 8011661: Insufficient memory message says "malloc" when sometimes it should say "mmap" ccheung parents: 10137 diff changeset	71 "CodeCache: no room for MethodHandles adapters");
4059 44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	72 {
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	73 CodeBuffer code(_adapter_code);
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	74 MethodHandlesAdapterGenerator g(&code);
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	75 g.generate();
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	76 code.log_section_sizes("MethodHandlesAdapterBlob");
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 4043 diff changeset	77 }
1299 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
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	80 //------------------------------------------------------------------------------
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	81 // MethodHandlesAdapterGenerator::generate
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	82 //
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	83 void MethodHandlesAdapterGenerator::generate() {
1299 9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	84 // 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	85 // Generate interpreter entries
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	86 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	87 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	88 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	89 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	90 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	91 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	92 if (entry != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	93 Interpreter::set_entry_for_kind(mk, entry);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3274 diff changeset	94 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	95 // 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	96 }
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	97 }
9eba43136cb5 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob twisti parents: 1142 diff changeset	98
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	99 void MethodHandles::set_enabled(bool z) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	100 if (_enabled != z) {
2416 38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2357 diff changeset	101 guarantee(z && EnableInvokeDynamic, "can only enable once, and only if -XX:+EnableInvokeDynamic");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	102 _enabled = z;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	103 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	104 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	105
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	106 // MemberName support
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	107
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	108 // import java_lang_invoke_MemberName.*
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	109 enum {
8866 16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	110 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	111 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	112 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	113 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	114 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	115 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	116 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	117 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	118 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	119 ALL_KINDS = IS_METHOD \| IS_CONSTRUCTOR \| IS_FIELD \| IS_TYPE
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	120 };
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	121
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	122 Handle MethodHandles::new_MemberName(TRAPS) {
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	123 Handle empty;
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	124 instanceKlassHandle k(THREAD, SystemDictionary::MemberName_klass());
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	125 if (!k->is_initialized()) k->initialize(CHECK_(empty));
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	126 return Handle(THREAD, k->allocate_instance(THREAD));
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	127 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	128
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	129 oop MethodHandles::init_MemberName(Handle mname, Handle target) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	130 Thread* thread = Thread::current();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	131 oop target_oop = target();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	132 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	133 if (target_klass == SystemDictionary::reflect_Field_klass()) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	134 oop clazz = java_lang_reflect_Field::clazz(target_oop); // fd.field_holder()
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	135 int slot = java_lang_reflect_Field::slot(target_oop); // fd.index()
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	136 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	137 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	138 oop name = java_lang_reflect_Field::name(target_oop);
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	139 KlassHandle k(thread, java_lang_Class::as_Klass(clazz));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	140 intptr_t offset = InstanceKlass::cast(k())->field_offset(slot);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	141 return init_field_MemberName(mname, k, accessFlags_from(mods), type, name, offset);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	142 } 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	143 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	144 int slot = java_lang_reflect_Method::slot(target_oop);
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	145 KlassHandle k(thread, java_lang_Class::as_Klass(clazz));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	146 if (!k.is_null() && k->oop_is_instance()) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	147 Method* m = InstanceKlass::cast(k())->method_with_idnum(slot);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	148 return init_method_MemberName(mname, m, true, k);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	149 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	150 } 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	151 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	152 int slot = java_lang_reflect_Constructor::slot(target_oop);
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	153 KlassHandle k(thread, java_lang_Class::as_Klass(clazz));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	154 if (!k.is_null() && k->oop_is_instance()) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	155 Method* m = InstanceKlass::cast(k())->method_with_idnum(slot);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	156 return init_method_MemberName(mname, m, false, k);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	157 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	158 } 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	159 // 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	160 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	161 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	162 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	163 intptr_t vmindex = java_lang_invoke_MemberName::vmindex(target_oop);
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	164 KlassHandle k(thread, 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	165 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	166 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	167 if ((flags & IS_FIELD) != 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	168 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	169 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	170 // FIXME: how does k (receiver_limit) contribute?
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	171 KlassHandle k_vmtarget(thread, (Klass*)vmtarget);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	172 return init_field_MemberName(mname, k_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	173 } 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	174 assert(vmtarget->is_method(), "method or constructor vmtarget is Method*");
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	175 return init_method_MemberName(mname, (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	176 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	177 return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	178 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	179 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	180 return NULL;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	181 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	182
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	183 oop MethodHandles::init_method_MemberName(Handle mname, Method* m, bool do_dispatch,
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	184 KlassHandle receiver_limit_h) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	185 Klass* receiver_limit = receiver_limit_h();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	186 AccessFlags mods = m->access_flags();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	187 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	188 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	189 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	190 if (receiver_limit == NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	191 receiver_limit = mklass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	192 if (m->is_initializer()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	193 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	194 } else if (mods.is_static()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	195 flags \|= IS_METHOD \| (JVM_REF_invokeStatic << REFERENCE_KIND_SHIFT);
10137 ce6d7e43501c 8012961: Do not restrict static interface methods to be private bharadwaj parents: 10133 diff changeset	196 // Get vindex from itable if method holder is an interface.
ce6d7e43501c 8012961: Do not restrict static interface methods to be private bharadwaj parents: 10133 diff changeset	197 if (m->method_holder()->is_interface()) {
10128 41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial bharadwaj parents: 8866 diff changeset	198 vmindex = klassItable::compute_itable_index(m);
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial bharadwaj parents: 8866 diff changeset	199 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	200 } else if (receiver_limit != mklass &&
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	201 !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	202 return NULL; // bad receiver limit
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	203 } else if (receiver_limit->is_interface() &&
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	204 mklass->is_interface()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	205 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	206 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	207 vmindex = klassItable::compute_itable_index(m);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	208 } 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	209 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	210 // 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	211 ResourceMark rm;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	212 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	213 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	214 } 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	215 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	216 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	217 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	218 vmindex = m->vtable_index();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	219 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	220
8866 16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	221 // @CallerSensitive annotation detected
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	222 if (m->caller_sensitive()) {
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	223 flags \|= CALLER_SENSITIVE;
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	224 }
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	225
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	226 oop mname_oop = mname();
8866 16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK twisti parents: 7418 diff changeset	227 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	228 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	229 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	230 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	231 // 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	232 // 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	233 // 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	234 // 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	235 // 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	236 // 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	237 // constructing any new objects.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	238 // TO DO: maybe intern mname_oop
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	239 m->method_holder()->add_member_name(mname);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	240 return mname();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	241 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	242
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	243 Handle MethodHandles::init_method_MemberName(Handle mname, CallInfo& info, TRAPS) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	244 Handle empty;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	245 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	246 // 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	247 // 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	248 // 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	249 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	250 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	251 methodHandle m = info.resolved_method();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	252 KlassHandle defc = info.resolved_klass();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	253 int vmindex = -1;
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6852 diff changeset	254 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	255 // 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	256 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	257 } 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	258 // 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	259 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	260 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	261 vmindex = info.vtable_index();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	262 }
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	263 oop res = init_method_MemberName(mname, m(), (vmindex >= 0), defc());
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	264 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	265 return Handle(THREAD, res);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	266 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	267
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	268 oop MethodHandles::init_field_MemberName(Handle mname, KlassHandle field_holder,
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	269 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	270 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	271 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	272 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	273 if (is_setter) flags += ((JVM_REF_putField - JVM_REF_getField) << REFERENCE_KIND_SHIFT);
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	274 Metadata* vmtarget = field_holder();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	275 int vmindex = offset; // determines the field uniquely when combined with static bit
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	276 oop mname_oop = mname();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	277 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	278 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	279 java_lang_invoke_MemberName::set_vmindex(mname_oop, vmindex);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	280 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	281 if (name != NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	282 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	283 if (type != NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	284 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	285 // 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	286 // 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	287 // 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	288 // 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	289 // 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	290 // 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	291 // 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	292 // TO DO: maybe intern mname_oop
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	293 InstanceKlass::cast(field_holder())->add_member_name(mname);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	294 return mname();
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	295 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	296
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	297 Handle MethodHandles::init_field_MemberName(Handle mname, FieldAccessInfo& info, TRAPS) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	298 return Handle();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	299 #if 0 // FIXME
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	300 KlassHandle field_holder = info.klass();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	301 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	302 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	303 info.access_flags(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	304 type, name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	305 field_offset, false /is_setter/);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	306 #endif
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	307 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	308
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	309
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	310 // JVM 2.9 Special Methods:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	311 // 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	312 // * 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	313 // * 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	314 // * 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	315 // * 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	316 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	317 if (klass == NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	318 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	319 // 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	320 // if (klass != SystemDictionary::MethodHandle_klass())
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	321 // Test the name instead:
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	322 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	323 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	324 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	325 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	326 if (m == NULL) return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	327 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	328 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	329 return (flags & required) == required;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	330 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	331
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	332
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	333 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	334 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	335 switch (iid) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	336 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	337 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	338 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	339 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	340 case vmIntrinsics::_linkToInterface: return vmSymbols::linkToInterface_name();
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	341 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	342 assert(false, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	343 return 0;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	344 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	345
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	346 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	347 switch (iid) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	348 case vmIntrinsics::_invokeBasic: return 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	349 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	350 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	351 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	352 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	353 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	354 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	355 return 0;
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
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	358 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	359 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	360 switch (name_id) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	361 // 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	362 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	363 // 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	364 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	365
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	366 // 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	367 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	368 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	369 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	370 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	371 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	372
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	373 // 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	374 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	375 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	376 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	377 return vmIntrinsics::_invokeGeneric;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	378
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	379 // 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	380 // 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	381 return vmIntrinsics::_none;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	382 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	383
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	384 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	385 if (klass != NULL &&
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	386 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	387 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	388 if (iid != vmIntrinsics::_none)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	389 return iid;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	390 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	391 return vmIntrinsics::_invokeGeneric;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	392 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	393 return vmIntrinsics::_none;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	394 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	395
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	396
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	397 // 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	398 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	399 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	400 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	401 } 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	402 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	403 } 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	404 if (intern_if_not_found) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	405 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	406 } else {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	407 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	408 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	409 } else {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	410 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	411 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	412 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	413
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	414 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	415 enum { OBJ_SIG_LEN = 18 };
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	416
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	417 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	418 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	419 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	420 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	421 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	422 switch (sig->byte_at(i)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	423 case 'L':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	424 // 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	425 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	426 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	427 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	428 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	429 case '(': case ')': case 'V':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	430 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	431 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	432 //case '[':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	433 //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	434 default:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	435 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	436 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	437 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	438 return true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	439 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	440
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	441 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	442 Symbol* bsig = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	443 if (sig == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	444 return sig;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	445 } 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	446 sig->increment_refcount();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	447 return sig; // that was easy
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	448 } 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	449 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	450 if (is_subword_type(bt)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	451 bsig = vmSymbols::int_signature();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	452 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	453 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	454 bsig = vmSymbols::object_signature();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	455 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	456 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	457 ResourceMark rm;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	458 stringStream buffer(128);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	459 buffer.put('(');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	460 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	461 if (keep_last_arg)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	462 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	463 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	464 BasicType bt = ss.type();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	465 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	466 if (ss.at_return_type()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	467 buffer.put(')');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	468 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	469 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	470 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	471 (int) ss.raw_length());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	472 } 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	473 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	474 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	475 if (is_subword_type(bt))
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	476 bt = T_INT;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	477 buffer.put(type2char(bt));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	478 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	479 arg_pos++;
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 const char* sigstr = buffer.base();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	482 int siglen = (int) buffer.size();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	483 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	484 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	485 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	486 // 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	487 keep_last_arg, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	488 return bsig;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	489 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	490
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	491 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	492 Symbol* sig,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	493 bool keep_arrays,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	494 bool keep_basic_names) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	495 st = st ? st : tty;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	496 int len = sig->utf8_length();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	497 int array = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	498 bool prev_type = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	499 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	500 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	501 switch (ch) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	502 case '(': case ')':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	503 prev_type = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	504 st->put(ch);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	505 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	506 case '[':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	507 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	508 st->put(ch);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	509 array++;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	510 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	511 case 'L':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	512 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	513 if (prev_type) st->put(',');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	514 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	515 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	516 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	517 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	518 if (slash < i) start = slash;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	519 if (!keep_basic_names) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	520 st->put('L');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	521 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	522 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	523 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	524 prev_type = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	525 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	526 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	527 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	528 default:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	529 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	530 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	531 ch = '[';
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	532 array = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	533 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	534 if (prev_type) st->put(',');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	535 const char* n = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	536 if (keep_basic_names)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	537 n = type2name(char2type(ch));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	538 if (n == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	539 // 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	540 st->put(ch);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	541 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	542 st->print(n);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	543 prev_type = true;
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 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	546 }
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 // 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	549 if (prev_type) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	550 while (array > 0) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	551 st->print("[]");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	552 --array;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	553 }
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 array = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	556 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	557 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	558
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 object_java_mirror() {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	562 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	563 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	564
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	565 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	566 if (s == NULL) return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	567 return StringTable::lookup(s);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	568 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	569
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	570 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	571 if (s == NULL) return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	572 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	573 if (is_java_primitive(bt)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	574 assert(s->utf8_length() == 1, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	575 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	576 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	577 // 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	578 // 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	579 if (bt == T_OBJECT) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	580 if (s == vmSymbols::object_signature()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	581 return object_java_mirror();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	582 } else if (s == vmSymbols::class_signature()) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	583 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	584 } else if (s == vmSymbols::string_signature()) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	585 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	586 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	587 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	588 return NULL;
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
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	591
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	592 // An unresolved member name is a mere symbolic reference.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	593 // 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	594 // 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	595 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	596 Handle empty;
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	597 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	598
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	599 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	600 // Already resolved.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	601 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	602 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	603 return mname;
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
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	606 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	607 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	608 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	609 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	610 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	611 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	612 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	613 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	614
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	615 DEBUG_ONLY(int old_vmindex);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	616 assert((old_vmindex = java_lang_invoke_MemberName::vmindex(mname())) == 0, "clean input");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	617
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	618 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	619 THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(), "nothing to resolve", empty);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	620 }
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	621
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	622 instanceKlassHandle defc;
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	623 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	624 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	625 if (defc_klass == NULL) return empty; // a primitive; no resolution possible
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	626 if (!defc_klass->oop_is_instance()) {
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	627 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	628 defc_klass = SystemDictionary::Object_klass();
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	629 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	630 defc = instanceKlassHandle(THREAD, defc_klass);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	631 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	632 if (defc.is_null()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	633 THROW_MSG_(vmSymbols::java_lang_InternalError(), "primitive class", empty);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	634 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	635 defc->link_class(CHECK_(empty)); // possible safepoint
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	636
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	637 // 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	638 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	639 if (name == NULL) return empty; // no such name
3781 d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3757 diff changeset	640 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	641 return empty; // illegal name
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	642
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	643 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	644 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	645 (defc() == SystemDictionary::MethodHandle_klass()) &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	646 (ref_kind == JVM_REF_invokeVirtual \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	647 ref_kind == JVM_REF_invokeSpecial \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	648 // 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	649 ref_kind == JVM_REF_invokeStatic)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	650 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	651 if (iid != vmIntrinsics::_none &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	652 ((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	653 // 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	654 // 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	655 mh_invoke_id = iid;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	656 }
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	657 }
1508 2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors jrose parents: 1507 diff changeset	658
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	659 // 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	660 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	661 if (type == NULL) return empty; // no such signature exists in the VM
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	662
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	663 // Time to do the lookup.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	664 switch (flags & ALL_KINDS) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	665 case IS_METHOD:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	666 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	667 CallInfo result;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	668 bool do_dispatch = true; // default, neutral setting
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	669 {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	670 assert(!HAS_PENDING_EXCEPTION, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	671 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	672 //do_dispatch = false; // no need, since statics are never dispatched
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	673 LinkResolver::resolve_static_call(result,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	674 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	675 } else if (ref_kind == JVM_REF_invokeInterface) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	676 LinkResolver::resolve_interface_call(result, Handle(), defc,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	677 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	678 } 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	679 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	680 LinkResolver::resolve_handle_call(result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	681 defc, name, type, KlassHandle(), THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	682 } 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	683 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	684 LinkResolver::resolve_special_call(result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	685 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	686 } else if (ref_kind == JVM_REF_invokeVirtual) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	687 LinkResolver::resolve_virtual_call(result, Handle(), defc,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	688 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	689 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	690 assert(false, err_msg("ref_kind=%d", ref_kind));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	691 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	692 if (HAS_PENDING_EXCEPTION) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	693 return empty;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	694 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	695 }
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	696 return init_method_MemberName(mname, result, THREAD);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	697 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	698 case IS_CONSTRUCTOR:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	699 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	700 CallInfo result;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	701 {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	702 assert(!HAS_PENDING_EXCEPTION, "");
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	703 if (name == vmSymbols::object_initializer_name()) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	704 LinkResolver::resolve_special_call(result,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	705 defc, name, type, KlassHandle(), false, THREAD);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	706 } else {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	707 break; // will throw after end of switch
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	708 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	709 if (HAS_PENDING_EXCEPTION) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	710 return empty;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	711 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	712 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	713 assert(result.is_statically_bound(), "");
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	714 return init_method_MemberName(mname, result, THREAD);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	715 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	716 case IS_FIELD:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	717 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	718 // This is taken from LinkResolver::resolve_field, sans access checks.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	719 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	720 KlassHandle sel_klass(THREAD, InstanceKlass::cast(defc())->find_field(name, type, &fd));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	721 // 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	722 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	723 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	724 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	725 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	726 mname = Handle(THREAD,
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	727 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	728 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	729 return mname;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	730 }
1508 2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors jrose parents: 1507 diff changeset	731 default:
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	732 THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format", empty);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	733 }
1508 2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors jrose parents: 1507 diff changeset	734
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	735 return empty;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	736 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	737
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	738 // Conversely, a member name which is only initialized from JVM internals
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	739 // may have null defc, name, and type fields.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	740 // Resolving it plants a vmtarget/vmindex in it,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	741 // which refers directly to JVM internals.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	742 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	743 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	744 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	745 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	746 if (vmtarget == NULL) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	747 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "nothing to expand");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	748 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	749
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	750 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	751 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	752 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	753 int flags = java_lang_invoke_MemberName::flags(mname());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	754
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	755 if (suppress != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	756 if (suppress & _suppress_defc) have_defc = true;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	757 if (suppress & _suppress_name) have_name = true;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	758 if (suppress & _suppress_type) have_type = true;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	759 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	760
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	761 if (have_defc && have_name && have_type) return; // nothing needed
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	762
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	763 switch (flags & ALL_KINDS) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	764 case IS_METHOD:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	765 case IS_CONSTRUCTOR:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	766 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	767 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	768 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	769 DEBUG_ONLY(vmtarget = NULL); // safety
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	770 if (m.is_null()) break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	771 if (!have_defc) {
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6852 diff changeset	772 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	773 java_lang_invoke_MemberName::set_clazz(mname(), defc->java_mirror());
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 if (!have_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	776 //not java_lang_String::create_from_symbol; let's intern member names
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	777 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	778 java_lang_invoke_MemberName::set_name(mname(), name());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	779 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	780 if (!have_type) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	781 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	782 java_lang_invoke_MemberName::set_type(mname(), type());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	783 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	784 return;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	785 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	786 case IS_FIELD:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	787 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	788 // 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	789 assert(vmtarget->is_klass(), "field vmtarget is Klass*");
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	790 if (!((Klass*) vmtarget)->oop_is_instance()) break;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	791 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	792 DEBUG_ONLY(vmtarget = NULL); // safety
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	793 bool is_static = ((flags & JVM_ACC_STATIC) != 0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	794 fieldDescriptor fd; // find_field initializes fd if found
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	795 if (!defc->find_field_from_offset(vmindex, is_static, &fd))
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	796 break; // cannot expand
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	797 if (!have_defc) {
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	798 java_lang_invoke_MemberName::set_clazz(mname(), defc->java_mirror());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	799 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	800 if (!have_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	801 //not java_lang_String::create_from_symbol; let's intern member names
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	802 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	803 java_lang_invoke_MemberName::set_name(mname(), name());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	804 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	805 if (!have_type) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	806 // 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	807 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	808 if (type.is_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	809 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	810 }
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	811 java_lang_invoke_MemberName::set_type(mname(), type());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	812 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	813 return;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	814 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	815 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	816 THROW_MSG(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	817 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	818
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	819 int MethodHandles::find_MemberNames(KlassHandle k,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	820 Symbol* name, Symbol* sig,
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	821 int mflags, KlassHandle caller,
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	822 int skip, objArrayHandle results) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	823 // %%% take caller into account!
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	824
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	825 Thread* thread = Thread::current();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	826
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	827 if (k.is_null() \|\| !k->oop_is_instance()) return -1;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	828
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	829 int rfill = 0, rlimit = results->length(), rskip = skip;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	830 // overflow measurement:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	831 int overflow = 0, overflow_limit = MAX2(1000, rlimit);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	832
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	833 int match_flags = mflags;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	834 bool search_superc = ((match_flags & SEARCH_SUPERCLASSES) != 0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	835 bool search_intfc = ((match_flags & SEARCH_INTERFACES) != 0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	836 bool local_only = !(search_superc \| search_intfc);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	837 bool classes_only = false;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	838
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	839 if (name != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	840 if (name->utf8_length() == 0) return 0; // a match is not possible
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 (sig != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	843 if (sig->utf8_length() == 0) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	844 if (sig->byte_at(0) == '(')
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	845 match_flags &= ~(IS_FIELD \| IS_TYPE);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	846 else
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	847 match_flags &= ~(IS_CONSTRUCTOR \| IS_METHOD);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	848 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	849
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	850 if ((match_flags & IS_TYPE) != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	851 // NYI, and Core Reflection works quite well for this query
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	852 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	853
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	854 if ((match_flags & IS_FIELD) != 0) {
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	855 for (FieldStream st(k(), local_only, !search_intfc); !st.eos(); st.next()) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	856 if (name != NULL && st.name() != name)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	857 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	858 if (sig != NULL && st.signature() != sig)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	859 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	860 // passed the filters
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	861 if (rskip > 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	862 --rskip;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	863 } else if (rfill < rlimit) {
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	864 Handle result(thread, results->obj_at(rfill++));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	865 if (!java_lang_invoke_MemberName::is_instance(result()))
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	866 return -99; // caller bug!
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	867 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	868 oop name = field_name_or_null(st.name());
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	869 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	870 st.access_flags(), type, name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	871 st.offset());
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	872 if (saved != result())
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	873 results->obj_at_put(rfill-1, saved); // show saved instance to user
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	874 } else if (++overflow >= overflow_limit) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	875 match_flags = 0; break; // got tired of looking at overflow
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	876 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	877 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	878 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	879
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	880 if ((match_flags & (IS_METHOD \| IS_CONSTRUCTOR)) != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	881 // watch out for these guys:
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	882 Symbol* init_name = vmSymbols::object_initializer_name();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	883 Symbol* clinit_name = vmSymbols::class_initializer_name();
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	884 if (name == clinit_name) clinit_name = NULL; // hack for exposing <clinit>
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	885 bool negate_name_test = false;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	886 // fix name so that it captures the intention of IS_CONSTRUCTOR
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	887 if (!(match_flags & IS_METHOD)) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	888 // constructors only
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	889 if (name == NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	890 name = init_name;
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 constructors of this method 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 if (!(match_flags & IS_CONSTRUCTOR)) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	895 // methods only
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	896 if (name == NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	897 name = init_name;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	898 negate_name_test = true; // if we see the name, we omit the entry
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	899 } else if (name == init_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	900 return 0; // no methods of this constructor name
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	901 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	902 } else {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	903 // caller will accept either sort; no need to adjust name
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	904 }
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	905 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	906 Method* m = st.method();
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	907 Symbol* m_name = m->name();
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	908 if (m_name == clinit_name)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	909 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	910 if (name != NULL && ((m_name != name) ^ negate_name_test))
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	911 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	912 if (sig != NULL && m->signature() != sig)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	913 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	914 // passed the filters
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	915 if (rskip > 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	916 --rskip;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	917 } else if (rfill < rlimit) {
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	918 Handle result(thread, results->obj_at(rfill++));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	919 if (!java_lang_invoke_MemberName::is_instance(result()))
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	920 return -99; // caller bug!
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	921 oop saved = MethodHandles::init_method_MemberName(result, m, true, NULL);
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	922 if (saved != result())
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	923 results->obj_at_put(rfill-1, saved); // show saved instance to user
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	924 } else if (++overflow >= overflow_limit) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	925 match_flags = 0; break; // got tired of looking at overflow
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	926 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	927 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	928 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	929
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	930 // return number of elements we at leasted wanted to initialize
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	931 return rfill + overflow;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	932 }
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	933
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	934 //------------------------------------------------------------------------------
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	935 // MemberNameTable
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	936 //
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	937
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	938 MemberNameTable::MemberNameTable() : GrowableArray<jweak>(10, true) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	939 assert_locked_or_safepoint(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	940 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	941
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	942 MemberNameTable::~MemberNameTable() {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	943 assert_locked_or_safepoint(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	944 int len = this->length();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	945
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	946 for (int idx = 0; idx < len; idx++) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	947 jweak ref = this->at(idx);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	948 JNIHandles::destroy_weak_global(ref);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	949 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	950 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	951
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	952 // Return entry index if found, return -1 otherwise.
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	953 int MemberNameTable::find_member_name(oop mem_name) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	954 assert_locked_or_safepoint(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	955 int len = this->length();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	956
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	957 for (int idx = 0; idx < len; idx++) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	958 jweak ref = this->at(idx);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	959 oop entry = JNIHandles::resolve(ref);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	960 if (entry == mem_name) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	961 return idx;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	962 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	963 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	964 return -1;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	965 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	966
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	967 void MemberNameTable::add_member_name(jweak mem_name_wref) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	968 assert_locked_or_safepoint(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	969 oop mem_name = JNIHandles::resolve(mem_name_wref);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	970
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	971 // Each member name may appear just once: add only if not found
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	972 if (find_member_name(mem_name) == -1) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	973 this->append(mem_name_wref);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	974 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	975 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	976
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	977 #if INCLUDE_JVMTI
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	978 oop MemberNameTable::find_member_name_by_method(Method* old_method) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	979 assert_locked_or_safepoint(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	980 oop found = NULL;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	981 int len = this->length();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	982
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	983 for (int idx = 0; idx < len; idx++) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	984 oop mem_name = JNIHandles::resolve(this->at(idx));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	985 if (mem_name == NULL) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	986 continue;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	987 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	988 Method* method = (Method*)java_lang_invoke_MemberName::vmtarget(mem_name);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	989 if (method == old_method) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	990 found = mem_name;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	991 break;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	992 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	993 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	994 return found;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	995 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	996
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	997 // It is called at safepoint only
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	998 void MemberNameTable::adjust_method_entries(Method old_methods, Method new_methods,
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	999 int methods_length, bool *trace_name_printed) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1000 assert(SafepointSynchronize::is_at_safepoint(), "only called at safepoint");
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1001 // search the MemberNameTable for uses of either obsolete or EMCP methods
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1002 for (int j = 0; j < methods_length; j++) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1003 Method* old_method = old_methods[j];
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1004 Method* new_method = new_methods[j];
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1005 oop mem_name = find_member_name_by_method(old_method);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1006 if (mem_name != NULL) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1007 java_lang_invoke_MemberName::adjust_vmtarget(mem_name, new_method);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1008
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1009 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1010 if (!(*trace_name_printed)) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1011 // RC_TRACE_MESG macro has an embedded ResourceMark
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1012 RC_TRACE_MESG(("adjust: name=%s",
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1013 old_method->method_holder()->external_name()));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1014 *trace_name_printed = true;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1015 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1016 // RC_TRACE macro has an embedded ResourceMark
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1017 RC_TRACE(0x00400000, ("MemberName method update: %s(%s)",
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1018 new_method->name()->as_C_string(),
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1019 new_method->signature()->as_C_string()));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1020 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1021 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1022 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1023 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1024 #endif // INCLUDE_JVMTI
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1025
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1026 //
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1027 // Here are the native methods in java.lang.invoke.MethodHandleNatives
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1028 // They are the private interface between this JVM and the HotSpot-specific
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1029 // Java code that implements JSR 292 method handles.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1030 //
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1031 // 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	1032 // that intrinsic (non-JNI) native methods are defined in HotSpot.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1033 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1034
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	1035 JVM_ENTRY(jint, MHN_getConstant(JNIEnv *env, jobject igcls, jint which)) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1036 switch (which) {
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	1037 case MethodHandles::GC_COUNT_GWT:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	1038 #ifdef COMPILER2
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	1039 return true;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	1040 #else
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	1041 return false;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3837 diff changeset	1042 #endif
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1043 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1044 return 0;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1045 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1046 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1047
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1048 #ifndef PRODUCT
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1049 #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	1050 template(MethodHandles,GC_COUNT_GWT) \
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	1051 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	1052 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	1053 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	1054 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	1055 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	1056 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	1057 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	1058 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	1059 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	1060 template(MethodHandles,GC_LAMBDA_SUPPORT) \
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1061 /end/
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1062
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1063 #define IGNORE_REQ(req_expr) /* req_expr */
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1064 #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	1065 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	1066 #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	1067 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	1068 #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	1069 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	1070
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1071 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	1072 if (which < 0) return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1073 bool ok = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1074 int count = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1075 #define INC_COUNT(scope,value) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1076 ++count;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1077 #define CHECK_REQ(req_expr) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1078 if (which < count) return ok; \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1079 ok = (req_expr);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1080 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	1081 #undef INC_COUNT
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1082 #undef CHECK_REQ
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1083 assert(count == con_value_count, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1084 if (which < count) return ok;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1085 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1086 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1087
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1088 #undef ONE_PLUS
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1089 #undef VALUE_COMMA
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1090 #undef STRING_NULL
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1091 #undef EACH_NAMED_CON
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1092 #endif // PRODUCT
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1093
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	1094 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	1095 #ifndef PRODUCT
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1096 if (advertise_con_value(which)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1097 assert(which >= 0 && which < con_value_count, "");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1098 int con = con_values[which];
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1099 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	1100 if (box.not_null() && box->klass() == Universe::objectArrayKlassObj() && box->length() > 0) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1101 const char* str = &con_names[0];
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1102 for (int i = 0; i < which; i++)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1103 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	1104 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	1105 box->obj_at_put(0, name);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1106 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1107 return con;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1108 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1109 #endif
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1110 return 0;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1111 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1112 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1113
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1114 // 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	1115 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	1116 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	1117 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	1118 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1119 Handle target(THREAD, JNIHandles::resolve_non_null(target_jh));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1120 MethodHandles::init_MemberName(mname, target);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1121 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1122 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1123
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1124 // void expand(MemberName self)
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2356 diff changeset	1125 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	1126 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	1127 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1128 MethodHandles::expand_MemberName(mname, 0, CHECK);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1129 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1130 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1131
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1132 // 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	1133 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	1134 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	1135 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1136
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1137 // 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	1138 // 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	1139 if (VerifyMethodHandles && caller_jh != NULL &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1140 java_lang_invoke_MemberName::clazz(mname()) != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1141 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	1142 if (reference_klass != NULL) {
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1143 // Emulate LinkResolver::check_klass_accessability.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1144 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	1145 if (!Reflection::verify_class_access(caller,
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1146 reference_klass,
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1147 true)) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	1148 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	1149 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1150 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1151 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1299 diff changeset	1152
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1153 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	1154 if (resolved.is_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1155 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	1156 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	1157 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	1158 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	1159 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1160 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	1161 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	1162 } 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	1163 (flags & ALL_KINDS) == IS_CONSTRUCTOR) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1164 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	1165 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1166 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	1167 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1168 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1169
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1170 return JNIHandles::make_local(THREAD, resolved());
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1171 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1172 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1173
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1174 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	1175 if (mname == NULL \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1176 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	1177 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	1178 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1179 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	1180 if ((flags & IS_FIELD) != 0 &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1181 (must_be_static
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1182 ? (flags & JVM_ACC_STATIC) != 0
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1183 : (flags & JVM_ACC_STATIC) == 0)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1184 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	1185 return (jlong) vmindex;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1186 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1187 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1188 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	1189 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	1190 return 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1191 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1192
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1193 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	1194 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	1195 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1196 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1197
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1198 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	1199 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	1200 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1201 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1202
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1203 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	1204 // 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	1205 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	1206 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	1207 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	1208 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1209 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1210
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1211 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	1212 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	1213 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	1214 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	1215 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	1216 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	1217 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	1218 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	1219 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	1220 x = NULL;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1221 if (vmtarget == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1222 x = NULL;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1223 } else if (vmtarget->is_klass()) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	1224 x = ((Klass*) vmtarget)->java_mirror();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6271 diff changeset	1225 } 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	1226 Handle mname2 = MethodHandles::new_MemberName(CHECK_NULL);
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1227 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	1228 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1229 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	1230 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	1231 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1232 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1233
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1234
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1235
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1236 // static native int getMembers(Class<?> defc, String matchName, String matchSig,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1237 // 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	1238 JVM_ENTRY(jint, MHN_getMembers(JNIEnv *env, jobject igcls,
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1239 jclass clazz_jh, jstring name_jh, jstring sig_jh,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1240 int mflags, jclass caller_jh, jint skip, jobjectArray results_jh)) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1241 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	1242 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	1243
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1244 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	1245 if (results.is_null() \|\| !results->is_objArray()) return -1;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1246
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	1247 TempNewSymbol name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2116 diff changeset	1248 TempNewSymbol sig = NULL;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1249 if (name_jh != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1250 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	1251 if (name == NULL) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1252 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1253 if (sig_jh != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1254 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	1255 if (sig == NULL) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1256 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1257
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1258 KlassHandle caller;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1259 if (caller_jh != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1260 oop caller_oop = JNIHandles::resolve_non_null(caller_jh);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1261 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	1262 caller = KlassHandle(THREAD, java_lang_Class::as_Klass(caller_oop));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1263 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1264
3274 2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space twisti parents: 2478 diff changeset	1265 if (name != NULL && sig != NULL && results.not_null()) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1266 // try a direct resolve
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1267 // %%% TO DO
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1268 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1269
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1270 int res = MethodHandles::find_MemberNames(k, name, sig, mflags,
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 10128 diff changeset	1271 caller, skip, results);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1272 // TO DO: expand at least some of the MemberNames, to avoid massive callbacks
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1273 return res;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1274 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1275 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1276
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1277 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	1278 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	1279 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	1280 {
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1281 // 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	1282 MutexLocker mu(Compile_lock, thread);
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1283 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	1284 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	1285 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1286 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1287 JVM_END
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1288
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1289 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	1290 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	1291 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	1292 {
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1293 // 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	1294 MutexLocker mu(Compile_lock, thread);
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1295 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	1296 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	1297 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1298 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1299 JVM_END
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1300
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1301 /// JVM_RegisterMethodHandleMethods
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1302
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1303 #undef CS // Solaris builds complain
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1304
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1305 #define LANG "Ljava/lang/"
2460 ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1306 #define JLINV "Ljava/lang/invoke/"
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1307
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1308 #define OBJ LANG"Object;"
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1309 #define CLS LANG"Class;"
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1310 #define STRG LANG"String;"
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1311 #define CS JLINV"CallSite;"
2460 ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1312 #define MT JLINV"MethodType;"
ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1313 #define MH JLINV"MethodHandle;"
ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1314 #define MEM JLINV"MemberName;"
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1315
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1316 #define CC (char) /cast a literal from (const char)/
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1317 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1318
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1319 // 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	1320 static JNINativeMethod required_methods_JDK8[] = {
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1321 {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	1322 {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	1323 {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	1324 {CC"getConstant", CC"(I)I", FN_PTR(MHN_getConstant)},
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1325 // 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	1326 {CC"getNamedCon", CC"(I["OBJ")I", FN_PTR(MHN_getNamedCon)},
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1327 // static native int getMembers(Class<?> defc, String matchName, String matchSig,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1328 // 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	1329 {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	1330 {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	1331 {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	1332 {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	1333 {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	1334 {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	1335 {CC"getMemberVMInfo", CC"("MEM")"OBJ, FN_PTR(MHN_getMemberVMInfo)}
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1336 };
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1337
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1338 // This one function is exported, used by NativeLookup.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1339
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1340 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	1341 if (!EnableInvokeDynamic) {
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292 twisti parents: 2357 diff changeset	1342 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	1343 return; // bind nothing
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1344 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1345
3932 b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods twisti parents: 3905 diff changeset	1346 assert(!MethodHandles::enabled(), "must not be enabled");
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1347 bool enable_MH = true;
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1348
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1349 jclass MH_class = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1350 if (SystemDictionary::MethodHandle_klass() == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1351 enable_MH = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1352 } else {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	1353 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	1354 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	1355 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1356
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1357 int status;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1358
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1359 if (enable_MH) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1360 ThreadToNativeFromVM ttnfv(thread);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1361
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1362 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	1363 if (status != JNI_OK \|\| env->ExceptionOccurred()) {
2460 ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2416 diff changeset	1364 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	1365 enable_MH = false;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1366 env->ExceptionClear();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1367 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1368 }
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 710 diff changeset	1369
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1370 if (TraceInvokeDynamic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6224 diff changeset	1371 tty->print_cr("MethodHandle support loaded (using LambdaForms)");
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1372 }
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1373
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1374 if (enable_MH) {
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	1375 MethodHandles::generate_adapters();
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1376 MethodHandles::set_enabled(true);
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 726 diff changeset	1377 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1378 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1379 JVM_END

Mercurial > hg > graal-compiler

annotate src/share/vm/prims/methodHandles.cpp @ 10161:746b070f5022