graal-compiler: src/share/vm/ci/ciEnv.hpp annotate

annotate src/share/vm/ci/ciEnv.hpp @ 6725:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

author	coleenp
date	Sat, 01 Sep 2012 13:25:18 -0400
parents	7f813940ac35
children	137868b7aa6f

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
4872 aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1397 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1397 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: 1397 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	25 #ifndef SHARE_VM_CI_CIENV_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	26 #define SHARE_VM_CI_CIENV_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	28 #include "ci/ciClassList.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	29 #include "ci/ciObjectFactory.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	30 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	31 #include "code/debugInfoRec.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	32 #include "code/dependencies.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	33 #include "code/exceptionHandlerTable.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	34 #include "compiler/oopMap.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	35 #include "runtime/thread.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	36
0 a61af66fc99e Initial load duke parents: diff changeset	37 class CompileTask;
a61af66fc99e Initial load duke parents: diff changeset	38
a61af66fc99e Initial load duke parents: diff changeset	39 // ciEnv
a61af66fc99e Initial load duke parents: diff changeset	40 //
a61af66fc99e Initial load duke parents: diff changeset	41 // This class is the top level broker for requests from the compiler
a61af66fc99e Initial load duke parents: diff changeset	42 // to the VM.
a61af66fc99e Initial load duke parents: diff changeset	43 class ciEnv : StackObj {
a61af66fc99e Initial load duke parents: diff changeset	44 CI_PACKAGE_ACCESS_TO
a61af66fc99e Initial load duke parents: diff changeset	45
a61af66fc99e Initial load duke parents: diff changeset	46 friend class CompileBroker;
a61af66fc99e Initial load duke parents: diff changeset	47 friend class Dependencies; // for get_object, during logging
a61af66fc99e Initial load duke parents: diff changeset	48
a61af66fc99e Initial load duke parents: diff changeset	49 private:
a61af66fc99e Initial load duke parents: diff changeset	50 Arena* _arena; // Alias for _ciEnv_arena except in init_shared_objects()
a61af66fc99e Initial load duke parents: diff changeset	51 Arena _ciEnv_arena;
a61af66fc99e Initial load duke parents: diff changeset	52 int _system_dictionary_modification_counter;
a61af66fc99e Initial load duke parents: diff changeset	53 ciObjectFactory* _factory;
a61af66fc99e Initial load duke parents: diff changeset	54 OopRecorder* _oop_recorder;
a61af66fc99e Initial load duke parents: diff changeset	55 DebugInformationRecorder* _debug_info;
a61af66fc99e Initial load duke parents: diff changeset	56 Dependencies* _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	57 const char* _failure_reason;
a61af66fc99e Initial load duke parents: diff changeset	58 int _compilable;
a61af66fc99e Initial load duke parents: diff changeset	59 bool _break_at_compile;
a61af66fc99e Initial load duke parents: diff changeset	60 int _num_inlined_bytecodes;
a61af66fc99e Initial load duke parents: diff changeset	61 CompileTask* _task; // faster access to CompilerThread::task
a61af66fc99e Initial load duke parents: diff changeset	62 CompileLog* _log; // faster access to CompilerThread::log
a61af66fc99e Initial load duke parents: diff changeset	63 void* _compiler_data; // compiler-specific stuff, if any
a61af66fc99e Initial load duke parents: diff changeset	64
a61af66fc99e Initial load duke parents: diff changeset	65 char* _name_buffer;
a61af66fc99e Initial load duke parents: diff changeset	66 int _name_buffer_len;
a61af66fc99e Initial load duke parents: diff changeset	67
780 c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	68 // Cache Jvmti state
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	69 bool _jvmti_can_hotswap_or_post_breakpoint;
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	70 bool _jvmti_can_access_local_variables;
1213 6deeaebad47a 6902182: 4/4 Starting with jdwp agent should not incur performance penalty dcubed parents: 1142 diff changeset	71 bool _jvmti_can_post_on_exceptions;
780 c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	72
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	73 // Cache DTrace flags
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	74 bool _dtrace_extended_probes;
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	75 bool _dtrace_monitor_probes;
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	76 bool _dtrace_method_probes;
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	77 bool _dtrace_alloc_probes;
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	78
0 a61af66fc99e Initial load duke parents: diff changeset	79 // Distinguished instances of certain ciObjects..
a61af66fc99e Initial load duke parents: diff changeset	80 static ciObject* _null_object_instance;
a61af66fc99e Initial load duke parents: diff changeset	81
1142 4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1138 diff changeset	82 #define WK_KLASS_DECL(name, ignore_s, ignore_o) static ciInstanceKlass* _##name;
4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1138 diff changeset	83 WK_KLASSES_DO(WK_KLASS_DECL)
4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1138 diff changeset	84 #undef WK_KLASS_DECL
0 a61af66fc99e Initial load duke parents: diff changeset	85
a61af66fc99e Initial load duke parents: diff changeset	86 static ciSymbol* _unloaded_cisymbol;
a61af66fc99e Initial load duke parents: diff changeset	87 static ciInstanceKlass* _unloaded_ciinstance_klass;
a61af66fc99e Initial load duke parents: diff changeset	88 static ciObjArrayKlass* _unloaded_ciobjarrayklass;
a61af66fc99e Initial load duke parents: diff changeset	89
a61af66fc99e Initial load duke parents: diff changeset	90 static jobject _ArrayIndexOutOfBoundsException_handle;
a61af66fc99e Initial load duke parents: diff changeset	91 static jobject _ArrayStoreException_handle;
a61af66fc99e Initial load duke parents: diff changeset	92 static jobject _ClassCastException_handle;
a61af66fc99e Initial load duke parents: diff changeset	93
a61af66fc99e Initial load duke parents: diff changeset	94 ciInstance* _NullPointerException_instance;
a61af66fc99e Initial load duke parents: diff changeset	95 ciInstance* _ArithmeticException_instance;
a61af66fc99e Initial load duke parents: diff changeset	96 ciInstance* _ArrayIndexOutOfBoundsException_instance;
a61af66fc99e Initial load duke parents: diff changeset	97 ciInstance* _ArrayStoreException_instance;
a61af66fc99e Initial load duke parents: diff changeset	98 ciInstance* _ClassCastException_instance;
a61af66fc99e Initial load duke parents: diff changeset	99
1080 7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns never parents: 989 diff changeset	100 ciInstance* _the_null_string; // The Java string "null"
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns never parents: 989 diff changeset	101 ciInstance* _the_min_jint_string; // The Java string "-2147483648"
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns never parents: 989 diff changeset	102
0 a61af66fc99e Initial load duke parents: diff changeset	103 // Look up a klass by name from a particular class loader (the accessor's).
a61af66fc99e Initial load duke parents: diff changeset	104 // If require_local, result must be defined in that class loader, or NULL.
a61af66fc99e Initial load duke parents: diff changeset	105 // If !require_local, a result from remote class loader may be reported,
a61af66fc99e Initial load duke parents: diff changeset	106 // if sufficient class loader constraints exist such that initiating
a61af66fc99e Initial load duke parents: diff changeset	107 // a class loading request from the given loader is bound to return
a61af66fc99e Initial load duke parents: diff changeset	108 // the class defined in the remote loader (or throw an error).
a61af66fc99e Initial load duke parents: diff changeset	109 //
a61af66fc99e Initial load duke parents: diff changeset	110 // Return an unloaded klass if !require_local and no class at all is found.
a61af66fc99e Initial load duke parents: diff changeset	111 //
a61af66fc99e Initial load duke parents: diff changeset	112 // The CI treats a klass as loaded if it is consistently defined in
a61af66fc99e Initial load duke parents: diff changeset	113 // another loader, even if it hasn't yet been loaded in all loaders
a61af66fc99e Initial load duke parents: diff changeset	114 // that could potentially see it via delegation.
a61af66fc99e Initial load duke parents: diff changeset	115 ciKlass* get_klass_by_name(ciKlass* accessing_klass,
a61af66fc99e Initial load duke parents: diff changeset	116 ciSymbol* klass_name,
a61af66fc99e Initial load duke parents: diff changeset	117 bool require_local);
a61af66fc99e Initial load duke parents: diff changeset	118
a61af66fc99e Initial load duke parents: diff changeset	119 // Constant pool access.
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	120 ciKlass* get_klass_by_index(constantPoolHandle cpool,
0 a61af66fc99e Initial load duke parents: diff changeset	121 int klass_index,
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	122 bool& is_accessible,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	123 ciInstanceKlass* loading_klass);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	124 ciConstant get_constant_by_index(constantPoolHandle cpool,
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	125 int pool_index, int cache_index,
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	126 ciInstanceKlass* accessor);
0 a61af66fc99e Initial load duke parents: diff changeset	127 ciField* get_field_by_index(ciInstanceKlass* loading_klass,
a61af66fc99e Initial load duke parents: diff changeset	128 int field_index);
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	129 ciMethod* get_method_by_index(constantPoolHandle cpool,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	130 int method_index, Bytecodes::Code bc,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	131 ciInstanceKlass* loading_klass);
0 a61af66fc99e Initial load duke parents: diff changeset	132
a61af66fc99e Initial load duke parents: diff changeset	133 // Implementation methods for loading and constant pool access.
a61af66fc99e Initial load duke parents: diff changeset	134 ciKlass* get_klass_by_name_impl(ciKlass* accessing_klass,
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2426 diff changeset	135 constantPoolHandle cpool,
0 a61af66fc99e Initial load duke parents: diff changeset	136 ciSymbol* klass_name,
a61af66fc99e Initial load duke parents: diff changeset	137 bool require_local);
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	138 ciKlass* get_klass_by_index_impl(constantPoolHandle cpool,
0 a61af66fc99e Initial load duke parents: diff changeset	139 int klass_index,
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	140 bool& is_accessible,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	141 ciInstanceKlass* loading_klass);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	142 ciConstant get_constant_by_index_impl(constantPoolHandle cpool,
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	143 int pool_index, int cache_index,
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	144 ciInstanceKlass* loading_klass);
0 a61af66fc99e Initial load duke parents: diff changeset	145 ciField* get_field_by_index_impl(ciInstanceKlass* loading_klass,
a61af66fc99e Initial load duke parents: diff changeset	146 int field_index);
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	147 ciMethod* get_method_by_index_impl(constantPoolHandle cpool,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	148 int method_index, Bytecodes::Code bc,
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	149 ciInstanceKlass* loading_klass);
0 a61af66fc99e Initial load duke parents: diff changeset	150
a61af66fc99e Initial load duke parents: diff changeset	151 // Helper methods
a61af66fc99e Initial load duke parents: diff changeset	152 bool check_klass_accessibility(ciKlass* accessing_klass,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	153 Klass* resolved_klass);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	154 Method* lookup_method(InstanceKlass* accessor,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	155 InstanceKlass* holder,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	156 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	157 Symbol* sig,
0 a61af66fc99e Initial load duke parents: diff changeset	158 Bytecodes::Code bc);
a61af66fc99e Initial load duke parents: diff changeset	159
a61af66fc99e Initial load duke parents: diff changeset	160 // Get a ciObject from the object factory. Ensures uniqueness
a61af66fc99e Initial load duke parents: diff changeset	161 // of ciObjects.
a61af66fc99e Initial load duke parents: diff changeset	162 ciObject* get_object(oop o) {
a61af66fc99e Initial load duke parents: diff changeset	163 if (o == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	164 return _null_object_instance;
a61af66fc99e Initial load duke parents: diff changeset	165 } else {
a61af66fc99e Initial load duke parents: diff changeset	166 return _factory->get(o);
a61af66fc99e Initial load duke parents: diff changeset	167 }
a61af66fc99e Initial load duke parents: diff changeset	168 }
a61af66fc99e Initial load duke parents: diff changeset	169
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	170 ciSymbol* get_symbol(Symbol* o) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	171 if (o == NULL) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	172 ShouldNotReachHere();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	173 return NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	174 } else {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	175 return _factory->get_symbol(o);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	176 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	177 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	178
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	179 ciMetadata* get_metadata(Metadata* o) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	180 if (o == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	181 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	182 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	183 return _factory->get_metadata(o);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	184 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	185 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	186
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	187 ciInstance* get_instance(oop o) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	188 if (o == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	189 return get_object(o)->as_instance();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	190 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	191 ciObjArrayKlass* get_obj_array_klass(Klass* o) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	192 if (o == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	193 return get_metadata(o)->as_obj_array_klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	194 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	195 ciTypeArrayKlass* get_type_array_klass(Klass* o) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	196 if (o == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	197 return get_metadata(o)->as_type_array_klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	198 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	199 ciKlass* get_klass(Klass* o) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	200 if (o == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	201 return get_metadata(o)->as_klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	202 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	203 ciInstanceKlass* get_instance_klass(Klass* o) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	204 if (o == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	205 return get_metadata(o)->as_instance_klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	206 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	207 ciMethod* get_method(Method* o) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	208 if (o == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	209 return get_metadata(o)->as_method();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	210 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	211 ciMethodData* get_method_data(MethodData* o) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	212 if (o == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	213 return get_metadata(o)->as_method_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	214 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	215
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	216 ciMethod* get_method_from_handle(Method* method);
0 a61af66fc99e Initial load duke parents: diff changeset	217
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	218 ciInstance* get_or_create_exception(jobject& handle, Symbol* name);
0 a61af66fc99e Initial load duke parents: diff changeset	219
a61af66fc99e Initial load duke parents: diff changeset	220 // Get a ciMethod representing either an unfound method or
a61af66fc99e Initial load duke parents: diff changeset	221 // a method with an unloaded holder. Ensures uniqueness of
a61af66fc99e Initial load duke parents: diff changeset	222 // the result.
a61af66fc99e Initial load duke parents: diff changeset	223 ciMethod* get_unloaded_method(ciInstanceKlass* holder,
a61af66fc99e Initial load duke parents: diff changeset	224 ciSymbol* name,
4001 5eb9169b1a14 7092712: JSR 292: unloaded invokedynamic call sites can lead to a crash with signature types not on BCP twisti parents: 3899 diff changeset	225 ciSymbol* signature,
5eb9169b1a14 7092712: JSR 292: unloaded invokedynamic call sites can lead to a crash with signature types not on BCP twisti parents: 3899 diff changeset	226 ciInstanceKlass* accessor) {
5eb9169b1a14 7092712: JSR 292: unloaded invokedynamic call sites can lead to a crash with signature types not on BCP twisti parents: 3899 diff changeset	227 return _factory->get_unloaded_method(holder, name, signature, accessor);
0 a61af66fc99e Initial load duke parents: diff changeset	228 }
a61af66fc99e Initial load duke parents: diff changeset	229
a61af66fc99e Initial load duke parents: diff changeset	230 // Get a ciKlass representing an unloaded klass.
a61af66fc99e Initial load duke parents: diff changeset	231 // Ensures uniqueness of the result.
4001 5eb9169b1a14 7092712: JSR 292: unloaded invokedynamic call sites can lead to a crash with signature types not on BCP twisti parents: 3899 diff changeset	232 ciKlass* get_unloaded_klass(ciKlass* accessing_klass,
0 a61af66fc99e Initial load duke parents: diff changeset	233 ciSymbol* name) {
a61af66fc99e Initial load duke parents: diff changeset	234 return _factory->get_unloaded_klass(accessing_klass, name, true);
a61af66fc99e Initial load duke parents: diff changeset	235 }
a61af66fc99e Initial load duke parents: diff changeset	236
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	237 // Get a ciKlass representing an unloaded klass mirror.
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	238 // Result is not necessarily unique, but will be unloaded.
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	239 ciInstance* get_unloaded_klass_mirror(ciKlass* type) {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	240 return _factory->get_unloaded_klass_mirror(type);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	241 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	242
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	243 // Get a ciInstance representing an unresolved method handle constant.
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	244 ciInstance* get_unloaded_method_handle_constant(ciKlass* holder,
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	245 ciSymbol* name,
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	246 ciSymbol* signature,
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	247 int ref_kind) {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	248 return _factory->get_unloaded_method_handle_constant(holder, name, signature, ref_kind);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	249 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	250
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	251 // Get a ciInstance representing an unresolved method type constant.
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	252 ciInstance* get_unloaded_method_type_constant(ciSymbol* signature) {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	253 return _factory->get_unloaded_method_type_constant(signature);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	254 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1552 diff changeset	255
0 a61af66fc99e Initial load duke parents: diff changeset	256 // See if we already have an unloaded klass for the given name
a61af66fc99e Initial load duke parents: diff changeset	257 // or return NULL if not.
4001 5eb9169b1a14 7092712: JSR 292: unloaded invokedynamic call sites can lead to a crash with signature types not on BCP twisti parents: 3899 diff changeset	258 ciKlass check_get_unloaded_klass(ciKlass accessing_klass, ciSymbol* name) {
0 a61af66fc99e Initial load duke parents: diff changeset	259 return _factory->get_unloaded_klass(accessing_klass, name, false);
a61af66fc99e Initial load duke parents: diff changeset	260 }
a61af66fc99e Initial load duke parents: diff changeset	261
a61af66fc99e Initial load duke parents: diff changeset	262 // Get a ciReturnAddress corresponding to the given bci.
a61af66fc99e Initial load duke parents: diff changeset	263 // Ensures uniqueness of the result.
a61af66fc99e Initial load duke parents: diff changeset	264 ciReturnAddress* get_return_address(int bci) {
a61af66fc99e Initial load duke parents: diff changeset	265 return _factory->get_return_address(bci);
a61af66fc99e Initial load duke parents: diff changeset	266 }
a61af66fc99e Initial load duke parents: diff changeset	267
a61af66fc99e Initial load duke parents: diff changeset	268 // Get a ciMethodData representing the methodData for a method
a61af66fc99e Initial load duke parents: diff changeset	269 // with none.
a61af66fc99e Initial load duke parents: diff changeset	270 ciMethodData* get_empty_methodData() {
a61af66fc99e Initial load duke parents: diff changeset	271 return _factory->get_empty_methodData();
a61af66fc99e Initial load duke parents: diff changeset	272 }
a61af66fc99e Initial load duke parents: diff changeset	273
a61af66fc99e Initial load duke parents: diff changeset	274 // General utility : get a buffer of some required length.
a61af66fc99e Initial load duke parents: diff changeset	275 // Used in symbol creation.
a61af66fc99e Initial load duke parents: diff changeset	276 char* name_buffer(int req_len);
a61af66fc99e Initial load duke parents: diff changeset	277
a61af66fc99e Initial load duke parents: diff changeset	278 // Is this thread currently in the VM state?
a61af66fc99e Initial load duke parents: diff changeset	279 static bool is_in_vm();
a61af66fc99e Initial load duke parents: diff changeset	280
3894 b27c72d69fd1 7083184: JSR 292: don't store context class argument with call site dependencies twisti parents: 3785 diff changeset	281 // Helper routine for determining the validity of a compilation with
b27c72d69fd1 7083184: JSR 292: don't store context class argument with call site dependencies twisti parents: 3785 diff changeset	282 // respect to method dependencies (e.g. concurrent class loading).
b27c72d69fd1 7083184: JSR 292: don't store context class argument with call site dependencies twisti parents: 3785 diff changeset	283 void validate_compile_task_dependencies(ciMethod* target);
0 a61af66fc99e Initial load duke parents: diff changeset	284
a61af66fc99e Initial load duke parents: diff changeset	285 public:
a61af66fc99e Initial load duke parents: diff changeset	286 enum {
a61af66fc99e Initial load duke parents: diff changeset	287 MethodCompilable,
a61af66fc99e Initial load duke parents: diff changeset	288 MethodCompilable_not_at_tier,
a61af66fc99e Initial load duke parents: diff changeset	289 MethodCompilable_never
a61af66fc99e Initial load duke parents: diff changeset	290 };
a61af66fc99e Initial load duke parents: diff changeset	291
a61af66fc99e Initial load duke parents: diff changeset	292 ciEnv(CompileTask* task, int system_dictionary_modification_counter);
a61af66fc99e Initial load duke parents: diff changeset	293 // Used only during initialization of the ci
a61af66fc99e Initial load duke parents: diff changeset	294 ciEnv(Arena* arena);
a61af66fc99e Initial load duke parents: diff changeset	295 ~ciEnv();
a61af66fc99e Initial load duke parents: diff changeset	296
a61af66fc99e Initial load duke parents: diff changeset	297 OopRecorder* oop_recorder() { return _oop_recorder; }
a61af66fc99e Initial load duke parents: diff changeset	298 void set_oop_recorder(OopRecorder* r) { _oop_recorder = r; }
a61af66fc99e Initial load duke parents: diff changeset	299
a61af66fc99e Initial load duke parents: diff changeset	300 DebugInformationRecorder* debug_info() { return _debug_info; }
a61af66fc99e Initial load duke parents: diff changeset	301 void set_debug_info(DebugInformationRecorder* i) { _debug_info = i; }
a61af66fc99e Initial load duke parents: diff changeset	302
a61af66fc99e Initial load duke parents: diff changeset	303 Dependencies* dependencies() { return _dependencies; }
a61af66fc99e Initial load duke parents: diff changeset	304 void set_dependencies(Dependencies* d) { _dependencies = d; }
a61af66fc99e Initial load duke parents: diff changeset	305
a61af66fc99e Initial load duke parents: diff changeset	306 // This is true if the compilation is not going to produce code.
a61af66fc99e Initial load duke parents: diff changeset	307 // (It is reasonable to retry failed compilations.)
a61af66fc99e Initial load duke parents: diff changeset	308 bool failing() { return _failure_reason != NULL; }
a61af66fc99e Initial load duke parents: diff changeset	309
a61af66fc99e Initial load duke parents: diff changeset	310 // Reason this compilation is failing, such as "too many basic blocks".
a61af66fc99e Initial load duke parents: diff changeset	311 const char* failure_reason() { return _failure_reason; }
a61af66fc99e Initial load duke parents: diff changeset	312
a61af66fc99e Initial load duke parents: diff changeset	313 // Return state of appropriate compilability
a61af66fc99e Initial load duke parents: diff changeset	314 int compilable() { return _compilable; }
a61af66fc99e Initial load duke parents: diff changeset	315
4872 aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	316 const char* retry_message() const {
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	317 switch (_compilable) {
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	318 case ciEnv::MethodCompilable_not_at_tier:
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	319 return "retry at different tier";
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	320 case ciEnv::MethodCompilable_never:
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	321 return "not retryable";
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	322 case ciEnv::MethodCompilable:
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	323 return NULL;
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	324 default:
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	325 ShouldNotReachHere();
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	326 return NULL;
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	327 }
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	328 }
aa3d708d67c4 7141200: log some interesting information in ring buffers for crashes never parents: 4001 diff changeset	329
0 a61af66fc99e Initial load duke parents: diff changeset	330 bool break_at_compile() { return _break_at_compile; }
a61af66fc99e Initial load duke parents: diff changeset	331 void set_break_at_compile(bool z) { _break_at_compile = z; }
a61af66fc99e Initial load duke parents: diff changeset	332
780 c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	333 // Cache Jvmti state
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	334 void cache_jvmti_state();
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	335 bool jvmti_can_hotswap_or_post_breakpoint() const { return _jvmti_can_hotswap_or_post_breakpoint; }
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	336 bool jvmti_can_access_local_variables() const { return _jvmti_can_access_local_variables; }
1213 6deeaebad47a 6902182: 4/4 Starting with jdwp agent should not incur performance penalty dcubed parents: 1142 diff changeset	337 bool jvmti_can_post_on_exceptions() const { return _jvmti_can_post_on_exceptions; }
780 c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	338
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	339 // Cache DTrace flags
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	340 void cache_dtrace_flags();
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	341 bool dtrace_extended_probes() const { return _dtrace_extended_probes; }
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	342 bool dtrace_monitor_probes() const { return _dtrace_monitor_probes; }
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	343 bool dtrace_method_probes() const { return _dtrace_method_probes; }
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	344 bool dtrace_alloc_probes() const { return _dtrace_alloc_probes; }
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits kvn parents: 0 diff changeset	345
0 a61af66fc99e Initial load duke parents: diff changeset	346 // The compiler task which has created this env.
a61af66fc99e Initial load duke parents: diff changeset	347 // May be useful to find out compile_id, comp_level, etc.
a61af66fc99e Initial load duke parents: diff changeset	348 CompileTask* task() { return _task; }
a61af66fc99e Initial load duke parents: diff changeset	349 // Handy forwards to the task:
a61af66fc99e Initial load duke parents: diff changeset	350 int comp_level(); // task()->comp_level()
a61af66fc99e Initial load duke parents: diff changeset	351 uint compile_id(); // task()->compile_id()
a61af66fc99e Initial load duke parents: diff changeset	352
a61af66fc99e Initial load duke parents: diff changeset	353 // Register the result of a compilation.
a61af66fc99e Initial load duke parents: diff changeset	354 void register_method(ciMethod* target,
a61af66fc99e Initial load duke parents: diff changeset	355 int entry_bci,
a61af66fc99e Initial load duke parents: diff changeset	356 CodeOffsets* offsets,
a61af66fc99e Initial load duke parents: diff changeset	357 int orig_pc_offset,
a61af66fc99e Initial load duke parents: diff changeset	358 CodeBuffer* code_buffer,
a61af66fc99e Initial load duke parents: diff changeset	359 int frame_words,
a61af66fc99e Initial load duke parents: diff changeset	360 OopMapSet* oop_map_set,
a61af66fc99e Initial load duke parents: diff changeset	361 ExceptionHandlerTable* handler_table,
a61af66fc99e Initial load duke parents: diff changeset	362 ImplicitExceptionTable* inc_table,
a61af66fc99e Initial load duke parents: diff changeset	363 AbstractCompiler* compiler,
a61af66fc99e Initial load duke parents: diff changeset	364 int comp_level,
3899 c124e2e7463e 7083786: dead various dead chunks of code never parents: 3894 diff changeset	365 bool has_unsafe_access);
0 a61af66fc99e Initial load duke parents: diff changeset	366
a61af66fc99e Initial load duke parents: diff changeset	367
a61af66fc99e Initial load duke parents: diff changeset	368 // Access to certain well known ciObjects.
1142 4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1138 diff changeset	369 #define WK_KLASS_FUNC(name, ignore_s, ignore_o) \
4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1138 diff changeset	370 ciInstanceKlass* name() { \
4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1138 diff changeset	371 return _##name;\
0 a61af66fc99e Initial load duke parents: diff changeset	372 }
1142 4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1138 diff changeset	373 WK_KLASSES_DO(WK_KLASS_FUNC)
4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1138 diff changeset	374 #undef WK_KLASS_FUNC
4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1138 diff changeset	375
0 a61af66fc99e Initial load duke parents: diff changeset	376 ciInstance* NullPointerException_instance() {
a61af66fc99e Initial load duke parents: diff changeset	377 assert(_NullPointerException_instance != NULL, "initialization problem");
a61af66fc99e Initial load duke parents: diff changeset	378 return _NullPointerException_instance;
a61af66fc99e Initial load duke parents: diff changeset	379 }
a61af66fc99e Initial load duke parents: diff changeset	380 ciInstance* ArithmeticException_instance() {
a61af66fc99e Initial load duke parents: diff changeset	381 assert(_ArithmeticException_instance != NULL, "initialization problem");
a61af66fc99e Initial load duke parents: diff changeset	382 return _ArithmeticException_instance;
a61af66fc99e Initial load duke parents: diff changeset	383 }
a61af66fc99e Initial load duke parents: diff changeset	384
a61af66fc99e Initial load duke parents: diff changeset	385 // Lazy constructors:
a61af66fc99e Initial load duke parents: diff changeset	386 ciInstance* ArrayIndexOutOfBoundsException_instance();
a61af66fc99e Initial load duke parents: diff changeset	387 ciInstance* ArrayStoreException_instance();
a61af66fc99e Initial load duke parents: diff changeset	388 ciInstance* ClassCastException_instance();
a61af66fc99e Initial load duke parents: diff changeset	389
1080 7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns never parents: 989 diff changeset	390 ciInstance* the_null_string();
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns never parents: 989 diff changeset	391 ciInstance* the_min_jint_string();
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns never parents: 989 diff changeset	392
0 a61af66fc99e Initial load duke parents: diff changeset	393 static ciSymbol* unloaded_cisymbol() {
a61af66fc99e Initial load duke parents: diff changeset	394 return _unloaded_cisymbol;
a61af66fc99e Initial load duke parents: diff changeset	395 }
a61af66fc99e Initial load duke parents: diff changeset	396 static ciObjArrayKlass* unloaded_ciobjarrayklass() {
a61af66fc99e Initial load duke parents: diff changeset	397 return _unloaded_ciobjarrayklass;
a61af66fc99e Initial load duke parents: diff changeset	398 }
a61af66fc99e Initial load duke parents: diff changeset	399 static ciInstanceKlass* unloaded_ciinstance_klass() {
a61af66fc99e Initial load duke parents: diff changeset	400 return _unloaded_ciinstance_klass;
a61af66fc99e Initial load duke parents: diff changeset	401 }
a61af66fc99e Initial load duke parents: diff changeset	402
a61af66fc99e Initial load duke parents: diff changeset	403 ciKlass* find_system_klass(ciSymbol* klass_name);
a61af66fc99e Initial load duke parents: diff changeset	404 // Note: To find a class from its name string, use ciSymbol::make,
a61af66fc99e Initial load duke parents: diff changeset	405 // but consider adding to vmSymbols.hpp instead.
a61af66fc99e Initial load duke parents: diff changeset	406
a61af66fc99e Initial load duke parents: diff changeset	407 // converts the ciKlass* representing the holder of a method into a
a61af66fc99e Initial load duke parents: diff changeset	408 // ciInstanceKlass*. This is needed since the holder of a method in
a61af66fc99e Initial load duke parents: diff changeset	409 // the bytecodes could be an array type. Basically this converts
a61af66fc99e Initial load duke parents: diff changeset	410 // array types into java/lang/Object and other types stay as they are.
a61af66fc99e Initial load duke parents: diff changeset	411 static ciInstanceKlass* get_instance_klass_for_declared_method_holder(ciKlass* klass);
a61af66fc99e Initial load duke parents: diff changeset	412
a61af66fc99e Initial load duke parents: diff changeset	413 // Return the machine-level offset of o, which must be an element of a.
a61af66fc99e Initial load duke parents: diff changeset	414 // This may be used to form constant-loading expressions in lieu of simpler encodings.
a61af66fc99e Initial load duke parents: diff changeset	415 int array_element_offset_in_bytes(ciArray* a, ciObject* o);
a61af66fc99e Initial load duke parents: diff changeset	416
a61af66fc99e Initial load duke parents: diff changeset	417 // Access to the compile-lifetime allocation arena.
a61af66fc99e Initial load duke parents: diff changeset	418 Arena* arena() { return _arena; }
a61af66fc99e Initial load duke parents: diff changeset	419
a61af66fc99e Initial load duke parents: diff changeset	420 // What is the current compilation environment?
a61af66fc99e Initial load duke parents: diff changeset	421 static ciEnv* current() { return CompilerThread::current()->env(); }
a61af66fc99e Initial load duke parents: diff changeset	422
a61af66fc99e Initial load duke parents: diff changeset	423 // Overload with current thread argument
a61af66fc99e Initial load duke parents: diff changeset	424 static ciEnv* current(CompilerThread *thread) { return thread->env(); }
a61af66fc99e Initial load duke parents: diff changeset	425
a61af66fc99e Initial load duke parents: diff changeset	426 // Per-compiler data. (Used by C2 to publish the Compile* pointer.)
a61af66fc99e Initial load duke parents: diff changeset	427 void* compiler_data() { return _compiler_data; }
a61af66fc99e Initial load duke parents: diff changeset	428 void set_compiler_data(void* x) { _compiler_data = x; }
a61af66fc99e Initial load duke parents: diff changeset	429
a61af66fc99e Initial load duke parents: diff changeset	430 // Notice that a method has been inlined in the current compile;
a61af66fc99e Initial load duke parents: diff changeset	431 // used only for statistics.
a61af66fc99e Initial load duke parents: diff changeset	432 void notice_inlined_method(ciMethod* method);
a61af66fc99e Initial load duke parents: diff changeset	433
a61af66fc99e Initial load duke parents: diff changeset	434 // Total number of bytecodes in inlined methods in this compile
a61af66fc99e Initial load duke parents: diff changeset	435 int num_inlined_bytecodes() const;
a61af66fc99e Initial load duke parents: diff changeset	436
a61af66fc99e Initial load duke parents: diff changeset	437 // Output stream for logging compilation info.
a61af66fc99e Initial load duke parents: diff changeset	438 CompileLog* log() { return _log; }
a61af66fc99e Initial load duke parents: diff changeset	439 void set_log(CompileLog* log) { _log = log; }
a61af66fc99e Initial load duke parents: diff changeset	440
a61af66fc99e Initial load duke parents: diff changeset	441 // Check for changes to the system dictionary during compilation
a61af66fc99e Initial load duke parents: diff changeset	442 bool system_dictionary_modification_counter_changed();
a61af66fc99e Initial load duke parents: diff changeset	443
a61af66fc99e Initial load duke parents: diff changeset	444 void record_failure(const char* reason);
a61af66fc99e Initial load duke parents: diff changeset	445 void record_method_not_compilable(const char* reason, bool all_tiers = true);
a61af66fc99e Initial load duke parents: diff changeset	446 void record_out_of_memory_failure();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	447
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	448 // RedefineClasses support
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6634 diff changeset	449 void metadata_do(void f(Metadata*)) { _factory->metadata_do(f); }
0 a61af66fc99e Initial load duke parents: diff changeset	450 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	451
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1602 diff changeset	452 #endif // SHARE_VM_CI_CIENV_HPP

Mercurial > hg > graal-compiler

annotate src/share/vm/ci/ciEnv.hpp @ 6725:da91efe96a93