1 /*
2 * Copyright (c) 1997, 2024, 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 *
41
42 class InterpreterRuntime: AllStatic {
43 private:
44
45 static void set_bcp_and_mdp(address bcp, JavaThread* current);
46 static void note_trap_inner(JavaThread* current, int reason,
47 const methodHandle& trap_method, int trap_bci);
48 static void note_trap(JavaThread* current, int reason);
49
50 // Inner work method for Interpreter's frequency counter overflow.
51 static nmethod* frequency_counter_overflow_inner(JavaThread* current, address branch_bcp);
52
53 public:
54 // Constants
55 static void ldc (JavaThread* current, bool wide);
56 static void resolve_ldc (JavaThread* current, Bytecodes::Code bytecode);
57
58 // Allocation
59 static void _new (JavaThread* current, ConstantPool* pool, int index);
60 static void newarray (JavaThread* current, BasicType type, jint size);
61 static void anewarray (JavaThread* current, ConstantPool* pool, int index, jint size);
62 static void multianewarray(JavaThread* current, jint* first_size_address);
63 static void register_finalizer(JavaThread* current, oopDesc* obj);
64
65 // Quicken instance-of and check-cast bytecodes
66 static void quicken_io_cc(JavaThread* current);
67
68 // Exceptions thrown by the interpreter
69 static void throw_AbstractMethodError(JavaThread* current);
70 static void throw_AbstractMethodErrorWithMethod(JavaThread* current, Method* oop);
71 static void throw_AbstractMethodErrorVerbose(JavaThread* current,
72 Klass* recvKlass,
73 Method* missingMethod);
74
75 static void throw_IncompatibleClassChangeError(JavaThread* current);
76 static void throw_IncompatibleClassChangeErrorVerbose(JavaThread* current,
77 Klass* resc,
78 Klass* interfaceKlass);
79 static void throw_StackOverflowError(JavaThread* current);
80 static void throw_delayed_StackOverflowError(JavaThread* current);
81 static void throw_ArrayIndexOutOfBoundsException(JavaThread* current, arrayOopDesc* a, jint index);
82 static void throw_ClassCastException(JavaThread* current, oopDesc* obj);
83 static void throw_NullPointerException(JavaThread* current);
84
85 static void create_exception(JavaThread* current, char* name, char* message);
86 static void create_klass_exception(JavaThread* current, char* name, oopDesc* obj);
87 static address exception_handler_for_exception(JavaThread* current, oopDesc* exception);
88 #if INCLUDE_JVMTI
89 static void member_name_arg_or_null(JavaThread* current, address dmh, Method* m, address bcp);
90 #endif
91 static void throw_pending_exception(JavaThread* current);
92
93 static void resolve_from_cache(JavaThread* current, Bytecodes::Code bytecode);
94
101 private:
102 // Statics & fields
103 static void resolve_get_put(JavaThread* current, Bytecodes::Code bytecode);
104
105 // Calls
106 static void resolve_invoke(JavaThread* current, Bytecodes::Code bytecode);
107 static void resolve_invokehandle (JavaThread* current);
108 static void resolve_invokedynamic(JavaThread* current);
109
110 static void update_invoke_cp_cache_entry(CallInfo& info, Bytecodes::Code bytecode,
111 methodHandle& resolved_method,
112 constantPoolHandle& pool, int method_index);
113 public:
114 // Synchronization
115 static void monitorenter(JavaThread* current, BasicObjectLock* elem);
116 static void monitorenter_obj(JavaThread* current, oopDesc* obj);
117 static void monitorexit (BasicObjectLock* elem);
118
119 static void throw_illegal_monitor_state_exception(JavaThread* current);
120 static void new_illegal_monitor_state_exception(JavaThread* current);
121
122 // Breakpoints
123 static void _breakpoint(JavaThread* current, Method* method, address bcp);
124 static Bytecodes::Code get_original_bytecode_at(JavaThread* current, Method* method, address bcp);
125 static void set_original_bytecode_at(JavaThread* current, Method* method, address bcp, Bytecodes::Code new_code);
126
127 // Safepoints
128 static void at_safepoint(JavaThread* current);
129 static void at_unwind(JavaThread* current);
130
131 // Debugger support
132 static void post_field_access(JavaThread* current, oopDesc* obj,
133 ResolvedFieldEntry* entry);
134 static void post_field_modification(JavaThread* current, oopDesc* obj,
135 ResolvedFieldEntry* entry, jvalue *value);
136 static void post_method_entry(JavaThread* current);
137 static void post_method_exit (JavaThread* current);
138 static int interpreter_contains(address pc);
139
140 // Native signature handlers
|
1 /*
2 * Copyright (c) 1997, 2025, 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 *
41
42 class InterpreterRuntime: AllStatic {
43 private:
44
45 static void set_bcp_and_mdp(address bcp, JavaThread* current);
46 static void note_trap_inner(JavaThread* current, int reason,
47 const methodHandle& trap_method, int trap_bci);
48 static void note_trap(JavaThread* current, int reason);
49
50 // Inner work method for Interpreter's frequency counter overflow.
51 static nmethod* frequency_counter_overflow_inner(JavaThread* current, address branch_bcp);
52
53 public:
54 // Constants
55 static void ldc (JavaThread* current, bool wide);
56 static void resolve_ldc (JavaThread* current, Bytecodes::Code bytecode);
57
58 // Allocation
59 static void _new (JavaThread* current, ConstantPool* pool, int index);
60 static void newarray (JavaThread* current, BasicType type, jint size);
61 static void anewarray (JavaThread* threcurrentad, ConstantPool* pool, int index, jint size);
62 static void multianewarray(JavaThread* current, jint* first_size_address);
63 static void register_finalizer(JavaThread* current, oopDesc* obj);
64 static void uninitialized_static_inline_type_field(JavaThread* current, oopDesc* mirror, ResolvedFieldEntry* entry);
65 static void write_heap_copy (JavaThread* current, oopDesc* value, int offset, oopDesc* rcv);
66 static void read_flat_field(JavaThread* current, oopDesc* object, ResolvedFieldEntry* entry);
67 static void read_nullable_flat_field(JavaThread* current, oopDesc* object, ResolvedFieldEntry* entry);
68 static void write_nullable_flat_field(JavaThread* current, oopDesc* object, oopDesc* value, ResolvedFieldEntry* entry);
69
70 static void flat_array_load(JavaThread* current, arrayOopDesc* array, int index);
71 static void flat_array_store(JavaThread* current, oopDesc* val, arrayOopDesc* array, int index);
72
73 static jboolean is_substitutable(JavaThread* current, oopDesc* aobj, oopDesc* bobj);
74
75 // Quicken instance-of and check-cast bytecodes
76 static void quicken_io_cc(JavaThread* current);
77
78 // Exceptions thrown by the interpreter
79 static void throw_AbstractMethodError(JavaThread* current);
80 static void throw_AbstractMethodErrorWithMethod(JavaThread* current, Method* oop);
81 static void throw_AbstractMethodErrorVerbose(JavaThread* current,
82 Klass* recvKlass,
83 Method* missingMethod);
84
85 static void throw_InstantiationError(JavaThread* current);
86 static void throw_IncompatibleClassChangeError(JavaThread* current);
87 static void throw_IncompatibleClassChangeErrorVerbose(JavaThread* current,
88 Klass* resc,
89 Klass* interfaceKlass);
90 static void throw_StackOverflowError(JavaThread* current);
91 static void throw_delayed_StackOverflowError(JavaThread* current);
92 static void throw_ArrayIndexOutOfBoundsException(JavaThread* current, arrayOopDesc* a, jint index);
93 static void throw_ClassCastException(JavaThread* current, oopDesc* obj);
94 static void throw_NullPointerException(JavaThread* current);
95
96 static void create_exception(JavaThread* current, char* name, char* message);
97 static void create_klass_exception(JavaThread* current, char* name, oopDesc* obj);
98 static address exception_handler_for_exception(JavaThread* current, oopDesc* exception);
99 #if INCLUDE_JVMTI
100 static void member_name_arg_or_null(JavaThread* current, address dmh, Method* m, address bcp);
101 #endif
102 static void throw_pending_exception(JavaThread* current);
103
104 static void resolve_from_cache(JavaThread* current, Bytecodes::Code bytecode);
105
112 private:
113 // Statics & fields
114 static void resolve_get_put(JavaThread* current, Bytecodes::Code bytecode);
115
116 // Calls
117 static void resolve_invoke(JavaThread* current, Bytecodes::Code bytecode);
118 static void resolve_invokehandle (JavaThread* current);
119 static void resolve_invokedynamic(JavaThread* current);
120
121 static void update_invoke_cp_cache_entry(CallInfo& info, Bytecodes::Code bytecode,
122 methodHandle& resolved_method,
123 constantPoolHandle& pool, int method_index);
124 public:
125 // Synchronization
126 static void monitorenter(JavaThread* current, BasicObjectLock* elem);
127 static void monitorenter_obj(JavaThread* current, oopDesc* obj);
128 static void monitorexit (BasicObjectLock* elem);
129
130 static void throw_illegal_monitor_state_exception(JavaThread* current);
131 static void new_illegal_monitor_state_exception(JavaThread* current);
132 static void throw_identity_exception(JavaThread* current, oopDesc* obj);
133
134 // Breakpoints
135 static void _breakpoint(JavaThread* current, Method* method, address bcp);
136 static Bytecodes::Code get_original_bytecode_at(JavaThread* current, Method* method, address bcp);
137 static void set_original_bytecode_at(JavaThread* current, Method* method, address bcp, Bytecodes::Code new_code);
138
139 // Safepoints
140 static void at_safepoint(JavaThread* current);
141 static void at_unwind(JavaThread* current);
142
143 // Debugger support
144 static void post_field_access(JavaThread* current, oopDesc* obj,
145 ResolvedFieldEntry* entry);
146 static void post_field_modification(JavaThread* current, oopDesc* obj,
147 ResolvedFieldEntry* entry, jvalue *value);
148 static void post_method_entry(JavaThread* current);
149 static void post_method_exit (JavaThread* current);
150 static int interpreter_contains(address pc);
151
152 // Native signature handlers
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