1 /*
2 * Copyright (c) 1997, 2021, 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_INTERPRETER_INTERPRETERRUNTIME_HPP
26 #define SHARE_INTERPRETER_INTERPRETERRUNTIME_HPP
27
28 #include "interpreter/bytecode.hpp"
29 #include "interpreter/linkResolver.hpp"
30 #include "oops/method.hpp"
31 #include "runtime/frame.hpp"
32 #include "runtime/signature.hpp"
33 #include "runtime/thread.hpp"
34 #include "utilities/macros.hpp"
35
36 class BufferBlob;
37 class CodeBuffer;
38
39 // The InterpreterRuntime is called by the interpreter for everything
40 // that cannot/should not be dealt with in assembly and needs C support.
41
42 class InterpreterRuntime: AllStatic {
43 friend class BytecodeClosure; // for method and bcp
44 friend class PrintingClosure; // for method and bcp
45
46 private:
47
48 static void set_bcp_and_mdp(address bcp, JavaThread* current);
49 static void note_trap_inner(JavaThread* current, int reason,
50 const methodHandle& trap_method, int trap_bci);
51 static void note_trap(JavaThread* current, int reason);
52
53 // Inner work method for Interpreter's frequency counter overflow.
54 static nmethod* frequency_counter_overflow_inner(JavaThread* current, address branch_bcp);
55
56 public:
57 // Constants
58 static void ldc (JavaThread* current, bool wide);
59 static void resolve_ldc (JavaThread* current, Bytecodes::Code bytecode);
60
61 // Allocation
62 static void _new (JavaThread* current, ConstantPool* pool, int index);
63 static void newarray (JavaThread* current, BasicType type, jint size);
64 static void anewarray (JavaThread* current, ConstantPool* pool, int index, jint size);
65 static void multianewarray(JavaThread* current, jint* first_size_address);
66 static void register_finalizer(JavaThread* current, oopDesc* obj);
67
68 // Quicken instance-of and check-cast bytecodes
69 static void quicken_io_cc(JavaThread* current);
70
71 // Exceptions thrown by the interpreter
72 static void throw_AbstractMethodError(JavaThread* current);
73 static void throw_AbstractMethodErrorWithMethod(JavaThread* current, Method* oop);
74 static void throw_AbstractMethodErrorVerbose(JavaThread* current,
75 Klass* recvKlass,
76 Method* missingMethod);
77
78 static void throw_IncompatibleClassChangeError(JavaThread* current);
79 static void throw_IncompatibleClassChangeErrorVerbose(JavaThread* current,
80 Klass* resc,
81 Klass* interfaceKlass);
82 static void throw_StackOverflowError(JavaThread* current);
83 static void throw_delayed_StackOverflowError(JavaThread* current);
84 static void throw_ArrayIndexOutOfBoundsException(JavaThread* current, arrayOopDesc* a, jint index);
85 static void throw_ClassCastException(JavaThread* current, oopDesc* obj);
86 static void throw_NullPointerException(JavaThread* current);
87
88 static void create_exception(JavaThread* current, char* name, char* message);
89 static void create_klass_exception(JavaThread* current, char* name, oopDesc* obj);
90 static address exception_handler_for_exception(JavaThread* current, oopDesc* exception);
91 #if INCLUDE_JVMTI
92 static void member_name_arg_or_null(JavaThread* current, address dmh, Method* m, address bcp);
93 #endif
94 static void throw_pending_exception(JavaThread* current);
95
96 static void resolve_from_cache(JavaThread* current, Bytecodes::Code bytecode);
97 private:
98 // Statics & fields
99 static void resolve_get_put(JavaThread* current, Bytecodes::Code bytecode);
100
101 // Calls
102 static void resolve_invoke(JavaThread* current, Bytecodes::Code bytecode);
103 static void resolve_invokehandle (JavaThread* current);
104 static void resolve_invokedynamic(JavaThread* current);
105
106 public:
107 // Synchronization
108 static void monitorenter(JavaThread* current, BasicObjectLock* elem);
109 static void monitorexit (BasicObjectLock* elem);
110
111 static void throw_illegal_monitor_state_exception(JavaThread* current);
112 static void new_illegal_monitor_state_exception(JavaThread* current);
113
114 // Breakpoints
115 static void _breakpoint(JavaThread* current, Method* method, address bcp);
116 static Bytecodes::Code get_original_bytecode_at(JavaThread* current, Method* method, address bcp);
117 static void set_original_bytecode_at(JavaThread* current, Method* method, address bcp, Bytecodes::Code new_code);
118
119 // Safepoints
120 static void at_safepoint(JavaThread* current);
121 static void at_unwind(JavaThread* current);
122
123 // Debugger support
124 static void post_field_access(JavaThread* current, oopDesc* obj,
125 ConstantPoolCacheEntry *cp_entry);
126 static void post_field_modification(JavaThread* current, oopDesc* obj,
127 ConstantPoolCacheEntry *cp_entry, jvalue *value);
128 static void post_method_entry(JavaThread* current);
129 static void post_method_exit (JavaThread* current);
130 static int interpreter_contains(address pc);
131
132 // Native signature handlers
133 static void prepare_native_call(JavaThread* current, Method* method);
134 static address slow_signature_handler(JavaThread* current,
135 Method* method,
136 intptr_t* from, intptr_t* to);
137
138 #if defined(IA32) || defined(AMD64) || defined(ARM)
139 // Popframe support (only needed on x86, AMD64 and ARM)
140 static void popframe_move_outgoing_args(JavaThread* current, void* src_address, void* dest_address);
141 #endif
142
143 // bytecode tracing is only used by the TraceBytecodes
144 static intptr_t trace_bytecode(JavaThread* current, intptr_t preserve_this_value, intptr_t tos, intptr_t tos2) PRODUCT_RETURN0;
145
146 // Platform dependent stuff
147 #include CPU_HEADER(interpreterRT)
148
149 // optional normalization of fingerprints to reduce the number of adapters
150 static uint64_t normalize_fast_native_fingerprint(uint64_t fingerprint);
151
152 // Interpreter's frequency counter overflow
153 static nmethod* frequency_counter_overflow(JavaThread* current, address branch_bcp);
154
155 // Interpreter profiling support
156 static jint bcp_to_di(Method* method, address cur_bcp);
157 static void update_mdp_for_ret(JavaThread* current, int bci);
158 #ifdef ASSERT
159 static void verify_mdp(Method* method, address bcp, address mdp);
160 #endif // ASSERT
161 static MethodCounters* build_method_counters(JavaThread* current, Method* m);
162 };
163
164
165 class SignatureHandlerLibrary: public AllStatic {
166 public:
167 enum { buffer_size = 1*K }; // the size of the temporary code buffer
168 enum { blob_size = 32*K }; // the size of a handler code blob.
169
170 private:
171 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
172 static address _handler; // next available address within _handler_blob;
173 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
174 static GrowableArray<address>* _handlers; // the corresponding handlers
175 static address _buffer; // the temporary code buffer
176
177 static address set_handler_blob();
178 static void initialize();
179 static address set_handler(CodeBuffer* buffer);
180 static void pd_set_handler(address handler);
181
182 public:
183 static void add(const methodHandle& method);
184 static void add(uint64_t fingerprint, address handler);
185 };
186
187 #endif // SHARE_INTERPRETER_INTERPRETERRUNTIME_HPP