Wed, 03 Jul 2013 11:50:29 -0700
Merge
1 /*
2 * Copyright (c) 1997, 2012, 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 */
25 #ifndef SHARE_VM_INTERPRETER_TEMPLATETABLE_HPP
26 #define SHARE_VM_INTERPRETER_TEMPLATETABLE_HPP
28 #include "interpreter/bytecodes.hpp"
29 #include "memory/allocation.hpp"
30 #include "runtime/frame.hpp"
31 #ifdef TARGET_ARCH_MODEL_x86_32
32 # include "interp_masm_x86_32.hpp"
33 #endif
34 #ifdef TARGET_ARCH_MODEL_x86_64
35 # include "interp_masm_x86_64.hpp"
36 #endif
37 #ifdef TARGET_ARCH_MODEL_sparc
38 # include "interp_masm_sparc.hpp"
39 #endif
40 #ifdef TARGET_ARCH_MODEL_zero
41 # include "interp_masm_zero.hpp"
42 #endif
43 #ifdef TARGET_ARCH_MODEL_arm
44 # include "interp_masm_arm.hpp"
45 #endif
46 #ifdef TARGET_ARCH_MODEL_ppc_32
47 # include "interp_masm_ppc_32.hpp"
48 #endif
49 #ifdef TARGET_ARCH_MODEL_ppc_64
50 # include "interp_masm_ppc_64.hpp"
51 #endif
53 #ifndef CC_INTERP
54 // All the necessary definitions used for (bytecode) template generation. Instead of
55 // spreading the implementation functionality for each bytecode in the interpreter
56 // and the snippet generator, a template is assigned to each bytecode which can be
57 // used to generate the bytecode's implementation if needed.
60 // A Template describes the properties of a code template for a given bytecode
61 // and provides a generator to generate the code template.
63 class Template VALUE_OBJ_CLASS_SPEC {
64 private:
65 enum Flags {
66 uses_bcp_bit, // set if template needs the bcp pointing to bytecode
67 does_dispatch_bit, // set if template dispatches on its own
68 calls_vm_bit, // set if template calls the vm
69 wide_bit // set if template belongs to a wide instruction
70 };
72 typedef void (*generator)(int arg);
74 int _flags; // describes interpreter template properties (bcp unknown)
75 TosState _tos_in; // tos cache state before template execution
76 TosState _tos_out; // tos cache state after template execution
77 generator _gen; // template code generator
78 int _arg; // argument for template code generator
80 void initialize(int flags, TosState tos_in, TosState tos_out, generator gen, int arg);
82 friend class TemplateTable;
84 public:
85 Bytecodes::Code bytecode() const;
86 bool is_valid() const { return _gen != NULL; }
87 bool uses_bcp() const { return (_flags & (1 << uses_bcp_bit )) != 0; }
88 bool does_dispatch() const { return (_flags & (1 << does_dispatch_bit)) != 0; }
89 bool calls_vm() const { return (_flags & (1 << calls_vm_bit )) != 0; }
90 bool is_wide() const { return (_flags & (1 << wide_bit )) != 0; }
91 TosState tos_in() const { return _tos_in; }
92 TosState tos_out() const { return _tos_out; }
93 void generate(InterpreterMacroAssembler* masm);
94 };
97 // The TemplateTable defines all Templates and provides accessor functions
98 // to get the template for a given bytecode.
100 class TemplateTable: AllStatic {
101 public:
102 enum Operation { add, sub, mul, div, rem, _and, _or, _xor, shl, shr, ushr };
103 enum Condition { equal, not_equal, less, less_equal, greater, greater_equal };
104 enum CacheByte { f1_byte = 1, f2_byte = 2 }; // byte_no codes
106 private:
107 static bool _is_initialized; // true if TemplateTable has been initialized
108 static Template _template_table [Bytecodes::number_of_codes];
109 static Template _template_table_wide[Bytecodes::number_of_codes];
111 static Template* _desc; // the current template to be generated
112 static Bytecodes::Code bytecode() { return _desc->bytecode(); }
114 static BarrierSet* _bs; // Cache the barrier set.
115 public:
116 //%note templates_1
117 static InterpreterMacroAssembler* _masm; // the assembler used when generating templates
119 private:
121 // special registers
122 static inline Address at_bcp(int offset);
124 // helpers
125 static void unimplemented_bc();
126 static void patch_bytecode(Bytecodes::Code bc, Register bc_reg,
127 Register temp_reg, bool load_bc_into_bc_reg = true, int byte_no = -1);
129 // C calls
130 static void call_VM(Register oop_result, address entry_point);
131 static void call_VM(Register oop_result, address entry_point, Register arg_1);
132 static void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2);
133 static void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, Register arg_3);
135 // these overloadings are not presently used on SPARC:
136 static void call_VM(Register oop_result, Register last_java_sp, address entry_point);
137 static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1);
138 static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2);
139 static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3);
141 // bytecodes
142 static void nop();
144 static void aconst_null();
145 static void iconst(int value);
146 static void lconst(int value);
147 static void fconst(int value);
148 static void dconst(int value);
150 static void bipush();
151 static void sipush();
152 static void ldc(bool wide);
153 static void ldc2_w();
154 static void fast_aldc(bool wide);
156 static void locals_index(Register reg, int offset = 1);
157 static void iload();
158 static void fast_iload();
159 static void fast_iload2();
160 static void fast_icaload();
161 static void lload();
162 static void fload();
163 static void dload();
164 static void aload();
166 static void locals_index_wide(Register reg);
167 static void wide_iload();
168 static void wide_lload();
169 static void wide_fload();
170 static void wide_dload();
171 static void wide_aload();
173 static void iaload();
174 static void laload();
175 static void faload();
176 static void daload();
177 static void aaload();
178 static void baload();
179 static void caload();
180 static void saload();
182 static void iload(int n);
183 static void lload(int n);
184 static void fload(int n);
185 static void dload(int n);
186 static void aload(int n);
187 static void aload_0();
189 static void istore();
190 static void lstore();
191 static void fstore();
192 static void dstore();
193 static void astore();
195 static void wide_istore();
196 static void wide_lstore();
197 static void wide_fstore();
198 static void wide_dstore();
199 static void wide_astore();
201 static void iastore();
202 static void lastore();
203 static void fastore();
204 static void dastore();
205 static void aastore();
206 static void bastore();
207 static void castore();
208 static void sastore();
210 static void istore(int n);
211 static void lstore(int n);
212 static void fstore(int n);
213 static void dstore(int n);
214 static void astore(int n);
216 static void pop();
217 static void pop2();
218 static void dup();
219 static void dup_x1();
220 static void dup_x2();
221 static void dup2();
222 static void dup2_x1();
223 static void dup2_x2();
224 static void swap();
226 static void iop2(Operation op);
227 static void lop2(Operation op);
228 static void fop2(Operation op);
229 static void dop2(Operation op);
231 static void idiv();
232 static void irem();
234 static void lmul();
235 static void ldiv();
236 static void lrem();
237 static void lshl();
238 static void lshr();
239 static void lushr();
241 static void ineg();
242 static void lneg();
243 static void fneg();
244 static void dneg();
246 static void iinc();
247 static void wide_iinc();
248 static void convert();
249 static void lcmp();
251 static void float_cmp (bool is_float, int unordered_result);
252 static void float_cmp (int unordered_result);
253 static void double_cmp(int unordered_result);
255 static void count_calls(Register method, Register temp);
256 static void branch(bool is_jsr, bool is_wide);
257 static void if_0cmp (Condition cc);
258 static void if_icmp (Condition cc);
259 static void if_nullcmp(Condition cc);
260 static void if_acmp (Condition cc);
262 static void _goto();
263 static void jsr();
264 static void ret();
265 static void wide_ret();
267 static void goto_w();
268 static void jsr_w();
270 static void tableswitch();
271 static void lookupswitch();
272 static void fast_linearswitch();
273 static void fast_binaryswitch();
275 static void _return(TosState state);
277 static void resolve_cache_and_index(int byte_no, // one of 1,2,11
278 Register cache, // output for CP cache
279 Register index, // output for CP index
280 size_t index_size); // one of 1,2,4
281 static void load_invoke_cp_cache_entry(int byte_no,
282 Register method,
283 Register itable_index,
284 Register flags,
285 bool is_invokevirtual,
286 bool is_virtual_final,
287 bool is_invokedynamic);
288 static void load_field_cp_cache_entry(Register obj,
289 Register cache,
290 Register index,
291 Register offset,
292 Register flags,
293 bool is_static);
294 static void invokevirtual(int byte_no);
295 static void invokespecial(int byte_no);
296 static void invokestatic(int byte_no);
297 static void invokeinterface(int byte_no);
298 static void invokedynamic(int byte_no);
299 static void invokehandle(int byte_no);
300 static void fast_invokevfinal(int byte_no);
302 static void getfield_or_static(int byte_no, bool is_static);
303 static void putfield_or_static(int byte_no, bool is_static);
304 static void getfield(int byte_no);
305 static void putfield(int byte_no);
306 static void getstatic(int byte_no);
307 static void putstatic(int byte_no);
308 static void pop_and_check_object(Register obj);
310 static void _new();
311 static void newarray();
312 static void anewarray();
313 static void arraylength();
314 static void checkcast();
315 static void instanceof();
317 static void athrow();
319 static void monitorenter();
320 static void monitorexit();
322 static void wide();
323 static void multianewarray();
325 static void fast_xaccess(TosState state);
326 static void fast_accessfield(TosState state);
327 static void fast_storefield(TosState state);
329 static void _breakpoint();
331 static void shouldnotreachhere();
333 // jvmti support
334 static void jvmti_post_field_access(Register cache, Register index, bool is_static, bool has_tos);
335 static void jvmti_post_field_mod(Register cache, Register index, bool is_static);
336 static void jvmti_post_fast_field_mod();
338 // debugging of TemplateGenerator
339 static void transition(TosState tos_in, TosState tos_out);// checks if in/out states expected by template generator correspond to table entries
341 // initialization helpers
342 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)( ), char filler );
343 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(int arg ), int arg );
344 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(bool arg ), bool arg );
345 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(TosState tos), TosState tos);
346 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(Operation op), Operation op);
347 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(Condition cc), Condition cc);
349 friend class Template;
351 // InterpreterMacroAssembler::is_a(), etc., need TemplateTable::call_VM().
352 friend class InterpreterMacroAssembler;
354 public:
355 // Initialization
356 static void initialize();
357 static void pd_initialize();
359 // Templates
360 static Template* template_for (Bytecodes::Code code) { Bytecodes::check (code); return &_template_table [code]; }
361 static Template* template_for_wide(Bytecodes::Code code) { Bytecodes::wide_check(code); return &_template_table_wide[code]; }
363 // Platform specifics
364 #ifdef TARGET_ARCH_MODEL_x86_32
365 # include "templateTable_x86_32.hpp"
366 #endif
367 #ifdef TARGET_ARCH_MODEL_x86_64
368 # include "templateTable_x86_64.hpp"
369 #endif
370 #ifdef TARGET_ARCH_MODEL_sparc
371 # include "templateTable_sparc.hpp"
372 #endif
373 #ifdef TARGET_ARCH_MODEL_zero
374 # include "templateTable_zero.hpp"
375 #endif
376 #ifdef TARGET_ARCH_MODEL_arm
377 # include "templateTable_arm.hpp"
378 #endif
379 #ifdef TARGET_ARCH_MODEL_ppc_32
380 # include "templateTable_ppc_32.hpp"
381 #endif
383 };
384 #endif /* !CC_INTERP */
386 #endif // SHARE_VM_INTERPRETER_TEMPLATETABLE_HPP