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 // 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 int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); }
38 static void set_bcp_and_mdp(address bcp, JavaThread*thread);
39 static Bytecodes::Code code(JavaThread *thread) {
40 // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
41 return Bytecodes::code_at(bcp(thread), method(thread));
42 }
43 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
44 static Bytecode* bytecode(JavaThread *thread) { return Bytecode_at(bcp(thread)); }
111 static void post_field_access(JavaThread *thread, oopDesc* obj,
112 ConstantPoolCacheEntry *cp_entry);
113 static void post_field_modification(JavaThread *thread, oopDesc* obj,
114 ConstantPoolCacheEntry *cp_entry, jvalue *value);
115 static void post_method_entry(JavaThread *thread);
116 static void post_method_exit (JavaThread *thread);
117 static int interpreter_contains(address pc);
118
119 // Native signature handlers
120 static void prepare_native_call(JavaThread* thread, methodOopDesc* method);
121 static address slow_signature_handler(JavaThread* thread,
122 methodOopDesc* method,
123 intptr_t* from, intptr_t* to);
124
125 #if defined(IA32) || defined(AMD64)
126 // Popframe support (only needed on x86 and AMD64)
127 static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address);
128 #endif
129
130 // Platform dependent stuff
131 #include "incls/_interpreterRT_pd.hpp.incl"
132
133 // Interpreter's frequency counter overflow
134 static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp);
135
136 // Interpreter profiling support
137 static jint bcp_to_di(methodOopDesc* method, address cur_bcp);
138 static jint profile_method(JavaThread* thread, address cur_bcp);
139 static void update_mdp_for_ret(JavaThread* thread, int bci);
140 #ifdef ASSERT
141 static void verify_mdp(methodOopDesc* method, address bcp, address mdp);
142 #endif // ASSERT
143 };
144
145
146 class SignatureHandlerLibrary: public AllStatic {
147 public:
148 enum { buffer_size = 1*K }; // the size of the temporary code buffer
149 enum { blob_size = 32*K }; // the size of a handler code blob.
150
151 private:
152 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
153 static address _handler; // next available address within _handler_blob;
154 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
155 static GrowableArray<address>* _handlers; // the corresponding handlers
156 static address _buffer; // the temporary code buffer
157
158 static address set_handler_blob();
159 static void initialize();
160 static address set_handler(CodeBuffer* buffer);
161 static void pd_set_handler(address handler);
162
163 public:
164 static void add(methodHandle method);
165 };
|
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_INTERPRETER_INTERPRETERRUNTIME_HPP
26 #define SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
27
28 #include "interpreter/bytecode.hpp"
29 #include "interpreter/linkResolver.hpp"
30 #include "memory/universe.hpp"
31 #include "oops/methodOop.hpp"
32 #include "runtime/frame.inline.hpp"
33 #include "runtime/signature.hpp"
34 #include "utilities/top.hpp"
35 #ifdef TARGET_OS_FAMILY_linux
36 # include "thread_linux.inline.hpp"
37 #endif
38 #ifdef TARGET_OS_FAMILY_solaris
39 # include "thread_solaris.inline.hpp"
40 #endif
41 #ifdef TARGET_OS_FAMILY_windows
42 # include "thread_windows.inline.hpp"
43 #endif
44
45 // The InterpreterRuntime is called by the interpreter for everything
46 // that cannot/should not be dealt with in assembly and needs C support.
47
48 class InterpreterRuntime: AllStatic {
49 friend class BytecodeClosure; // for method and bcp
50 friend class PrintingClosure; // for method and bcp
51
52 private:
53 // Helper functions to access current interpreter state
54 static frame last_frame(JavaThread *thread) { return thread->last_frame(); }
55 static methodOop method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); }
56 static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); }
57 static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); }
58 static void set_bcp_and_mdp(address bcp, JavaThread*thread);
59 static Bytecodes::Code code(JavaThread *thread) {
60 // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
61 return Bytecodes::code_at(bcp(thread), method(thread));
62 }
63 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
64 static Bytecode* bytecode(JavaThread *thread) { return Bytecode_at(bcp(thread)); }
131 static void post_field_access(JavaThread *thread, oopDesc* obj,
132 ConstantPoolCacheEntry *cp_entry);
133 static void post_field_modification(JavaThread *thread, oopDesc* obj,
134 ConstantPoolCacheEntry *cp_entry, jvalue *value);
135 static void post_method_entry(JavaThread *thread);
136 static void post_method_exit (JavaThread *thread);
137 static int interpreter_contains(address pc);
138
139 // Native signature handlers
140 static void prepare_native_call(JavaThread* thread, methodOopDesc* method);
141 static address slow_signature_handler(JavaThread* thread,
142 methodOopDesc* method,
143 intptr_t* from, intptr_t* to);
144
145 #if defined(IA32) || defined(AMD64)
146 // Popframe support (only needed on x86 and AMD64)
147 static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address);
148 #endif
149
150 // Platform dependent stuff
151 #ifdef TARGET_ARCH_x86
152 # include "interpreterRT_x86.hpp"
153 #endif
154 #ifdef TARGET_ARCH_sparc
155 # include "interpreterRT_sparc.hpp"
156 #endif
157 #ifdef TARGET_ARCH_zero
158 # include "interpreterRT_zero.hpp"
159 #endif
160
161
162 // Interpreter's frequency counter overflow
163 static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp);
164
165 // Interpreter profiling support
166 static jint bcp_to_di(methodOopDesc* method, address cur_bcp);
167 static jint profile_method(JavaThread* thread, address cur_bcp);
168 static void update_mdp_for_ret(JavaThread* thread, int bci);
169 #ifdef ASSERT
170 static void verify_mdp(methodOopDesc* method, address bcp, address mdp);
171 #endif // ASSERT
172 };
173
174
175 class SignatureHandlerLibrary: public AllStatic {
176 public:
177 enum { buffer_size = 1*K }; // the size of the temporary code buffer
178 enum { blob_size = 32*K }; // the size of a handler code blob.
179
180 private:
181 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
182 static address _handler; // next available address within _handler_blob;
183 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
184 static GrowableArray<address>* _handlers; // the corresponding handlers
185 static address _buffer; // the temporary code buffer
186
187 static address set_handler_blob();
188 static void initialize();
189 static address set_handler(CodeBuffer* buffer);
190 static void pd_set_handler(address handler);
191
192 public:
193 static void add(methodHandle method);
194 };
195
196 #endif // SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
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