Mercurial > hg > truffle

comparison src/share/vm/interpreter/interpreterRuntime.hpp @ 0:a61af66fc99e jdk7-b24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children ba764ed4b6f2
comparison
equal deleted inserted replaced
-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1997-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 // The InterpreterRuntime is called by the interpreter for everything
26 // that cannot/should not be dealt with in assembly and needs C support.
27
28 class InterpreterRuntime: AllStatic {
29 friend class BytecodeClosure; // for method and bcp
30 friend class PrintingClosure; // for method and bcp
31
32 private:
33 // Helper functions to access current interpreter state
34 static frame last_frame(JavaThread *thread) { return thread->last_frame(); }
35 static methodOop method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); }
36 static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); }
37 static void set_bcp_and_mdp(address bcp, JavaThread*thread);
38 static Bytecodes::Code code(JavaThread *thread) { return Bytecodes::code_at(bcp(thread)); }
39 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
40 static int one_byte_index(JavaThread *thread) { return bcp(thread)[1]; }
41 static int two_byte_index(JavaThread *thread) { return Bytes::get_Java_u2(bcp(thread) + 1); }
42 static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; }
43 static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return method(thread)->constants()->cache()->entry_at(Bytes::get_native_u2(bcp(thread) + 1)); }
44 static void note_trap(JavaThread *thread, int reason, TRAPS);
45
46 public:
47 // Constants
48 static void ldc (JavaThread* thread, bool wide);
49
50 // Allocation
51 static void _new (JavaThread* thread, constantPoolOopDesc* pool, int index);
52 static void newarray (JavaThread* thread, BasicType type, jint size);
53 static void anewarray (JavaThread* thread, constantPoolOopDesc* pool, int index, jint size);
54 static void multianewarray(JavaThread* thread, jint* first_size_address);
55 static void register_finalizer(JavaThread* thread, oopDesc* obj);
56
57 // Quicken instance-of and check-cast bytecodes
58 static void quicken_io_cc(JavaThread* thread);
59
60 // Exceptions thrown by the interpreter
61 static void throw_AbstractMethodError(JavaThread* thread);
62 static void throw_IncompatibleClassChangeError(JavaThread* thread);
63 static void throw_StackOverflowError(JavaThread* thread);
64 static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index);
65 static void throw_ClassCastException(JavaThread* thread, oopDesc* obj);
66 static void create_exception(JavaThread* thread, char* name, char* message);
67 static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj);
68 static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception);
69 static void throw_pending_exception(JavaThread* thread);
70
71 // Statics & fields
72 static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode);
73
74 // Synchronization
75 static void monitorenter(JavaThread* thread, BasicObjectLock* elem);
76 static void monitorexit (JavaThread* thread, BasicObjectLock* elem);
77
78 static void throw_illegal_monitor_state_exception(JavaThread* thread);
79 static void new_illegal_monitor_state_exception(JavaThread* thread);
80
81 // Calls
82 static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode);
83
84 // Breakpoints
85 static void _breakpoint(JavaThread* thread, methodOopDesc* method, address bcp);
86 static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp);
87 static void set_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp, Bytecodes::Code new_code);
88 static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; }
89
90 // Safepoints
91 static void at_safepoint(JavaThread* thread);
92
93 // Debugger support
94 static void post_field_access(JavaThread *thread, oopDesc* obj,
95 ConstantPoolCacheEntry *cp_entry);
96 static void post_field_modification(JavaThread *thread, oopDesc* obj,
97 ConstantPoolCacheEntry *cp_entry, jvalue *value);
98 static void post_method_entry(JavaThread *thread);
99 static void post_method_exit (JavaThread *thread);
100 static int interpreter_contains(address pc);
101
102 // Native signature handlers
103 static void prepare_native_call(JavaThread* thread, methodOopDesc* method);
104 static address slow_signature_handler(JavaThread* thread,
105 methodOopDesc* method,
106 intptr_t* from, intptr_t* to);
107
108 #if defined(IA32) || defined(AMD64)
109 // Popframe support (only needed on x86 and AMD64)
110 static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address);
111 #endif
112
113 // Platform dependent stuff
114 #include "incls/_interpreterRT_pd.hpp.incl"
115
116 // Interpreter's frequency counter overflow
117 static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp);
118
119 // Interpreter profiling support
120 static jint bcp_to_di(methodOopDesc* method, address cur_bcp);
121 static jint profile_method(JavaThread* thread, address cur_bcp);
122 static void update_mdp_for_ret(JavaThread* thread, int bci);
123 #ifdef ASSERT
124 static void verify_mdp(methodOopDesc* method, address bcp, address mdp);
125 #endif // ASSERT
126 };
127
128
129 class SignatureHandlerLibrary: public AllStatic {
130 public:
131 enum { buffer_size = 1*K }; // the size of the temporary code buffer
132 enum { blob_size = 32*K }; // the size of a handler code blob.
133
134 private:
135 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
136 static address _handler; // next available address within _handler_blob;
137 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
138 static GrowableArray<address>* _handlers; // the corresponding handlers
139 static address _buffer; // the temporary code buffer
140
141 static address set_handler_blob();
142 static void initialize();
143 static address set_handler(CodeBuffer* buffer);
144 static void pd_set_handler(address handler);
145
146 public:
147 static void add(methodHandle method);
148 };