Tue, 28 Jul 2009 12:12:40 -0700
6862919: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 07/09
Reviewed-by: tbell, ohair
1 /*
2 * Copyright 1997-2009 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 */
25 // The InterpreterRuntime is called by the interpreter for everything
26 // that cannot/should not be dealt with in assembly and needs C support.
28 class InterpreterRuntime: AllStatic {
29 friend class BytecodeClosure; // for method and bcp
30 friend class PrintingClosure; // for method and bcp
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) {
39 // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
40 return Bytecodes::code_at(bcp(thread), method(thread));
41 }
42 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
43 static int one_byte_index(JavaThread *thread) { return bcp(thread)[1]; }
44 static int two_byte_index(JavaThread *thread) { return Bytes::get_Java_u2(bcp(thread) + 1); }
45 static int four_byte_index(JavaThread *thread) { return Bytes::get_native_u4(bcp(thread) + 1); }
46 static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; }
48 static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); }
49 static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); }
50 static void note_trap(JavaThread *thread, int reason, TRAPS);
52 public:
53 // Constants
54 static void ldc (JavaThread* thread, bool wide);
56 // Allocation
57 static void _new (JavaThread* thread, constantPoolOopDesc* pool, int index);
58 static void newarray (JavaThread* thread, BasicType type, jint size);
59 static void anewarray (JavaThread* thread, constantPoolOopDesc* pool, int index, jint size);
60 static void multianewarray(JavaThread* thread, jint* first_size_address);
61 static void register_finalizer(JavaThread* thread, oopDesc* obj);
63 // Quicken instance-of and check-cast bytecodes
64 static void quicken_io_cc(JavaThread* thread);
66 // Exceptions thrown by the interpreter
67 static void throw_AbstractMethodError(JavaThread* thread);
68 static void throw_IncompatibleClassChangeError(JavaThread* thread);
69 static void throw_StackOverflowError(JavaThread* thread);
70 static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index);
71 static void throw_ClassCastException(JavaThread* thread, oopDesc* obj);
72 static void throw_WrongMethodTypeException(JavaThread* thread, oopDesc* mtype = NULL, oopDesc* mhandle = NULL);
73 static void create_exception(JavaThread* thread, char* name, char* message);
74 static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj);
75 static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception);
76 static void throw_pending_exception(JavaThread* thread);
78 // Statics & fields
79 static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode);
81 // Synchronization
82 static void monitorenter(JavaThread* thread, BasicObjectLock* elem);
83 static void monitorexit (JavaThread* thread, BasicObjectLock* elem);
85 static void throw_illegal_monitor_state_exception(JavaThread* thread);
86 static void new_illegal_monitor_state_exception(JavaThread* thread);
88 // Calls
89 static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode);
90 static void resolve_invokedynamic(JavaThread* thread);
91 static void bootstrap_invokedynamic(JavaThread* thread, oopDesc* call_site);
93 // Breakpoints
94 static void _breakpoint(JavaThread* thread, methodOopDesc* method, address bcp);
95 static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp);
96 static void set_original_bytecode_at(JavaThread* thread, methodOopDesc* method, address bcp, Bytecodes::Code new_code);
97 static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; }
99 // Safepoints
100 static void at_safepoint(JavaThread* thread);
102 // Debugger support
103 static void post_field_access(JavaThread *thread, oopDesc* obj,
104 ConstantPoolCacheEntry *cp_entry);
105 static void post_field_modification(JavaThread *thread, oopDesc* obj,
106 ConstantPoolCacheEntry *cp_entry, jvalue *value);
107 static void post_method_entry(JavaThread *thread);
108 static void post_method_exit (JavaThread *thread);
109 static int interpreter_contains(address pc);
111 // Native signature handlers
112 static void prepare_native_call(JavaThread* thread, methodOopDesc* method);
113 static address slow_signature_handler(JavaThread* thread,
114 methodOopDesc* method,
115 intptr_t* from, intptr_t* to);
117 #if defined(IA32) || defined(AMD64)
118 // Popframe support (only needed on x86 and AMD64)
119 static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address);
120 #endif
122 // Platform dependent stuff
123 #include "incls/_interpreterRT_pd.hpp.incl"
125 // Interpreter's frequency counter overflow
126 static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp);
128 // Interpreter profiling support
129 static jint bcp_to_di(methodOopDesc* method, address cur_bcp);
130 static jint profile_method(JavaThread* thread, address cur_bcp);
131 static void update_mdp_for_ret(JavaThread* thread, int bci);
132 #ifdef ASSERT
133 static void verify_mdp(methodOopDesc* method, address bcp, address mdp);
134 #endif // ASSERT
135 };
138 class SignatureHandlerLibrary: public AllStatic {
139 public:
140 enum { buffer_size = 1*K }; // the size of the temporary code buffer
141 enum { blob_size = 32*K }; // the size of a handler code blob.
143 private:
144 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
145 static address _handler; // next available address within _handler_blob;
146 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
147 static GrowableArray<address>* _handlers; // the corresponding handlers
148 static address _buffer; // the temporary code buffer
150 static address set_handler_blob();
151 static void initialize();
152 static address set_handler(CodeBuffer* buffer);
153 static void pd_set_handler(address handler);
155 public:
156 static void add(methodHandle method);
157 };