Mercurial > hg > truffle
comparison src/share/vm/graal/graalEnv.hpp @ 3635:cb1181db8bec
Initial port of ciEnv to graalEnv.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 15 Nov 2011 21:15:26 +0100 |
parents | |
children | 6aef50c6d967 |
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3634:076542d505cd | 3635:cb1181db8bec |
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1 /* | |
2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 #ifndef SHARE_VM_GRAAL_GRAALENV_HPP | |
26 #define SHARE_VM_GRAAL_GRAALENV_HPP | |
27 | |
28 #include "classfile/systemDictionary.hpp" | |
29 #include "code/debugInfoRec.hpp" | |
30 #include "code/dependencies.hpp" | |
31 #include "code/exceptionHandlerTable.hpp" | |
32 #include "compiler/oopMap.hpp" | |
33 #include "runtime/thread.hpp" | |
34 | |
35 class CompileTask; | |
36 | |
37 // ciEnv | |
38 // | |
39 // This class is the top level broker for requests from the compiler | |
40 // to the VM. | |
41 class GraalEnv : AllStatic { | |
42 CI_PACKAGE_ACCESS_TO | |
43 | |
44 friend class CompileBroker; | |
45 friend class Dependencies; // for get_object, during logging | |
46 | |
47 public: | |
48 | |
49 // Look up a klass by name from a particular class loader (the accessor's). | |
50 // If require_local, result must be defined in that class loader, or NULL. | |
51 // If !require_local, a result from remote class loader may be reported, | |
52 // if sufficient class loader constraints exist such that initiating | |
53 // a class loading request from the given loader is bound to return | |
54 // the class defined in the remote loader (or throw an error). | |
55 // | |
56 // Return an unloaded klass if !require_local and no class at all is found. | |
57 // | |
58 // The CI treats a klass as loaded if it is consistently defined in | |
59 // another loader, even if it hasn't yet been loaded in all loaders | |
60 // that could potentially see it via delegation. | |
61 static KlassHandle get_klass_by_name(KlassHandle accessing_klass, | |
62 Symbol* klass_name, | |
63 bool require_local); | |
64 | |
65 // Constant pool access. | |
66 static KlassHandle get_klass_by_index(constantPoolHandle cpool, | |
67 int klass_index, | |
68 bool& is_accessible, | |
69 KlassHandle loading_klass); | |
70 static void get_field_by_index(instanceKlassHandle loading_klass, fieldDescriptor& fd, | |
71 int field_index); | |
72 static methodHandle get_method_by_index(constantPoolHandle cpool, | |
73 int method_index, Bytecodes::Code bc, | |
74 instanceKlass* loading_klass); | |
75 | |
76 private: | |
77 | |
78 // Implementation methods for loading and constant pool access. | |
79 static klassOop get_klass_by_name_impl(KlassHandle accessing_klass, | |
80 constantPoolHandle cpool, | |
81 Symbol* klass_name, | |
82 bool require_local); | |
83 static klassOop get_klass_by_index_impl(constantPoolHandle cpool, | |
84 int klass_index, | |
85 bool& is_accessible, | |
86 KlassHandle loading_klass); | |
87 static void get_field_by_index_impl(instanceKlassHandle loading_klass, fieldDescriptor& fd, | |
88 int field_index); | |
89 static methodHandle get_method_by_index_impl(constantPoolHandle cpool, | |
90 int method_index, Bytecodes::Code bc, | |
91 instanceKlass* loading_klass); | |
92 | |
93 // Helper methods | |
94 static bool check_klass_accessibility(klassOop accessing_klass, klassOop resolved_klassOop); | |
95 static methodOop lookup_method(instanceKlass* accessor, | |
96 instanceKlass* holder, | |
97 Symbol* name, | |
98 Symbol* sig, | |
99 Bytecodes::Code bc); | |
100 | |
101 private: | |
102 | |
103 // Is this thread currently in the VM state? | |
104 static bool is_in_vm(); | |
105 | |
106 // Helper routine for determining the validity of a compilation | |
107 // with respect to concurrent class loading. | |
108 static bool check_for_system_dictionary_modification(Dependencies* target); | |
109 | |
110 public: | |
111 // Register the result of a compilation. | |
112 static nmethod* register_method(methodHandle target, | |
113 int entry_bci, | |
114 CodeOffsets* offsets, | |
115 int orig_pc_offset, | |
116 CodeBuffer* code_buffer, | |
117 int frame_words, | |
118 OopMapSet* oop_map_set, | |
119 ExceptionHandlerTable* handler_table, | |
120 ImplicitExceptionTable* inc_table, | |
121 AbstractCompiler* compiler, | |
122 DebugInformationRecorder* debug_info, | |
123 Dependencies* dependencies, | |
124 CompileTask* task, | |
125 int compile_id, | |
126 bool has_debug_info = true, | |
127 bool has_unsafe_access = false, | |
128 bool install_code = true); | |
129 | |
130 static ciKlass* find_system_klass(ciSymbol* klass_name); | |
131 // Note: To find a class from its name string, use ciSymbol::make, | |
132 // but consider adding to vmSymbols.hpp instead. | |
133 | |
134 // converts the ciKlass* representing the holder of a method into a | |
135 // ciInstanceKlass*. This is needed since the holder of a method in | |
136 // the bytecodes could be an array type. Basically this converts | |
137 // array types into java/lang/Object and other types stay as they are. | |
138 static instanceKlass* get_instance_klass_for_declared_method_holder(KlassHandle klass); | |
139 }; | |
140 | |
141 #endif // SHARE_VM_GRAAL_GRAALENV_HPP |