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annotate src/share/vm/interpreter/templateTable.hpp @ 17467:55fb97c4c58d hs25-b65
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
| author | mikael |
|---|---|
| date | Tue, 24 Dec 2013 11:48:39 -0800 |
| parents | 5ccbab1c69f3 |
| children | abec000618bf |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_INTERPRETER_TEMPLATETABLE_HPP |
| 26 #define SHARE_VM_INTERPRETER_TEMPLATETABLE_HPP | |
| 27 | |
| 28 #include "interpreter/bytecodes.hpp" | |
| 29 #include "memory/allocation.hpp" | |
| 30 #include "runtime/frame.hpp" | |
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31 #ifdef TARGET_ARCH_x86 |
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32 # include "interp_masm_x86.hpp" |
| 1972 | 33 #endif |
| 34 #ifdef TARGET_ARCH_MODEL_sparc | |
| 35 # include "interp_masm_sparc.hpp" | |
| 36 #endif | |
| 37 #ifdef TARGET_ARCH_MODEL_zero | |
| 38 # include "interp_masm_zero.hpp" | |
| 39 #endif | |
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40 #ifdef TARGET_ARCH_MODEL_arm |
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41 # include "interp_masm_arm.hpp" |
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42 #endif |
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43 #ifdef TARGET_ARCH_MODEL_ppc |
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44 # include "interp_masm_ppc.hpp" |
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45 #endif |
| 1972 | 46 |
| 0 | 47 #ifndef CC_INTERP |
| 48 // All the necessary definitions used for (bytecode) template generation. Instead of | |
| 49 // spreading the implementation functionality for each bytecode in the interpreter | |
| 50 // and the snippet generator, a template is assigned to each bytecode which can be | |
| 51 // used to generate the bytecode's implementation if needed. | |
| 52 | |
| 53 | |
| 54 // A Template describes the properties of a code template for a given bytecode | |
| 55 // and provides a generator to generate the code template. | |
| 56 | |
| 57 class Template VALUE_OBJ_CLASS_SPEC { | |
| 58 private: | |
| 59 enum Flags { | |
| 60 uses_bcp_bit, // set if template needs the bcp pointing to bytecode | |
| 61 does_dispatch_bit, // set if template dispatches on its own | |
| 62 calls_vm_bit, // set if template calls the vm | |
| 63 wide_bit // set if template belongs to a wide instruction | |
| 64 }; | |
| 65 | |
| 66 typedef void (*generator)(int arg); | |
| 67 | |
| 68 int _flags; // describes interpreter template properties (bcp unknown) | |
| 69 TosState _tos_in; // tos cache state before template execution | |
| 70 TosState _tos_out; // tos cache state after template execution | |
| 71 generator _gen; // template code generator | |
| 72 int _arg; // argument for template code generator | |
| 73 | |
| 74 void initialize(int flags, TosState tos_in, TosState tos_out, generator gen, int arg); | |
| 75 | |
| 76 friend class TemplateTable; | |
| 77 | |
| 78 public: | |
| 79 Bytecodes::Code bytecode() const; | |
| 80 bool is_valid() const { return _gen != NULL; } | |
| 81 bool uses_bcp() const { return (_flags & (1 << uses_bcp_bit )) != 0; } | |
| 82 bool does_dispatch() const { return (_flags & (1 << does_dispatch_bit)) != 0; } | |
| 83 bool calls_vm() const { return (_flags & (1 << calls_vm_bit )) != 0; } | |
| 84 bool is_wide() const { return (_flags & (1 << wide_bit )) != 0; } | |
| 85 TosState tos_in() const { return _tos_in; } | |
| 86 TosState tos_out() const { return _tos_out; } | |
| 87 void generate(InterpreterMacroAssembler* masm); | |
| 88 }; | |
| 89 | |
| 90 | |
| 91 // The TemplateTable defines all Templates and provides accessor functions | |
| 92 // to get the template for a given bytecode. | |
| 93 | |
| 94 class TemplateTable: AllStatic { | |
| 95 public: | |
| 96 enum Operation { add, sub, mul, div, rem, _and, _or, _xor, shl, shr, ushr }; | |
| 97 enum Condition { equal, not_equal, less, less_equal, greater, greater_equal }; | |
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98 enum CacheByte { f1_byte = 1, f2_byte = 2 }; // byte_no codes |
| 0 | 99 |
| 100 private: | |
| 101 static bool _is_initialized; // true if TemplateTable has been initialized | |
| 102 static Template _template_table [Bytecodes::number_of_codes]; | |
| 103 static Template _template_table_wide[Bytecodes::number_of_codes]; | |
| 104 | |
| 105 static Template* _desc; // the current template to be generated | |
| 106 static Bytecodes::Code bytecode() { return _desc->bytecode(); } | |
| 107 | |
| 342 | 108 static BarrierSet* _bs; // Cache the barrier set. |
| 0 | 109 public: |
| 110 //%note templates_1 | |
| 111 static InterpreterMacroAssembler* _masm; // the assembler used when generating templates | |
| 112 | |
| 113 private: | |
| 114 | |
| 115 // special registers | |
| 116 static inline Address at_bcp(int offset); | |
| 117 | |
| 118 // helpers | |
| 119 static void unimplemented_bc(); | |
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120 static void patch_bytecode(Bytecodes::Code bc, Register bc_reg, |
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121 Register temp_reg, bool load_bc_into_bc_reg = true, int byte_no = -1); |
| 0 | 122 |
| 123 // C calls | |
| 124 static void call_VM(Register oop_result, address entry_point); | |
| 125 static void call_VM(Register oop_result, address entry_point, Register arg_1); | |
| 126 static void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2); | |
| 127 static void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, Register arg_3); | |
| 128 | |
| 129 // these overloadings are not presently used on SPARC: | |
| 130 static void call_VM(Register oop_result, Register last_java_sp, address entry_point); | |
| 131 static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1); | |
| 132 static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2); | |
| 133 static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3); | |
| 134 | |
| 135 // bytecodes | |
| 136 static void nop(); | |
| 137 | |
| 138 static void aconst_null(); | |
| 139 static void iconst(int value); | |
| 140 static void lconst(int value); | |
| 141 static void fconst(int value); | |
| 142 static void dconst(int value); | |
| 143 | |
| 144 static void bipush(); | |
| 145 static void sipush(); | |
| 146 static void ldc(bool wide); | |
| 147 static void ldc2_w(); | |
| 1602 | 148 static void fast_aldc(bool wide); |
| 0 | 149 |
| 150 static void locals_index(Register reg, int offset = 1); | |
| 151 static void iload(); | |
| 152 static void fast_iload(); | |
| 153 static void fast_iload2(); | |
| 154 static void fast_icaload(); | |
| 155 static void lload(); | |
| 156 static void fload(); | |
| 157 static void dload(); | |
| 158 static void aload(); | |
| 159 | |
| 160 static void locals_index_wide(Register reg); | |
| 161 static void wide_iload(); | |
| 162 static void wide_lload(); | |
| 163 static void wide_fload(); | |
| 164 static void wide_dload(); | |
| 165 static void wide_aload(); | |
| 166 | |
| 167 static void iaload(); | |
| 168 static void laload(); | |
| 169 static void faload(); | |
| 170 static void daload(); | |
| 171 static void aaload(); | |
| 172 static void baload(); | |
| 173 static void caload(); | |
| 174 static void saload(); | |
| 175 | |
| 176 static void iload(int n); | |
| 177 static void lload(int n); | |
| 178 static void fload(int n); | |
| 179 static void dload(int n); | |
| 180 static void aload(int n); | |
| 181 static void aload_0(); | |
| 182 | |
| 183 static void istore(); | |
| 184 static void lstore(); | |
| 185 static void fstore(); | |
| 186 static void dstore(); | |
| 187 static void astore(); | |
| 188 | |
| 189 static void wide_istore(); | |
| 190 static void wide_lstore(); | |
| 191 static void wide_fstore(); | |
| 192 static void wide_dstore(); | |
| 193 static void wide_astore(); | |
| 194 | |
| 195 static void iastore(); | |
| 196 static void lastore(); | |
| 197 static void fastore(); | |
| 198 static void dastore(); | |
| 199 static void aastore(); | |
| 200 static void bastore(); | |
| 201 static void castore(); | |
| 202 static void sastore(); | |
| 203 | |
| 204 static void istore(int n); | |
| 205 static void lstore(int n); | |
| 206 static void fstore(int n); | |
| 207 static void dstore(int n); | |
| 208 static void astore(int n); | |
| 209 | |
| 210 static void pop(); | |
| 211 static void pop2(); | |
| 212 static void dup(); | |
| 213 static void dup_x1(); | |
| 214 static void dup_x2(); | |
| 215 static void dup2(); | |
| 216 static void dup2_x1(); | |
| 217 static void dup2_x2(); | |
| 218 static void swap(); | |
| 219 | |
| 220 static void iop2(Operation op); | |
| 221 static void lop2(Operation op); | |
| 222 static void fop2(Operation op); | |
| 223 static void dop2(Operation op); | |
| 224 | |
| 225 static void idiv(); | |
| 226 static void irem(); | |
| 227 | |
| 228 static void lmul(); | |
| 229 static void ldiv(); | |
| 230 static void lrem(); | |
| 231 static void lshl(); | |
| 232 static void lshr(); | |
| 233 static void lushr(); | |
| 234 | |
| 235 static void ineg(); | |
| 236 static void lneg(); | |
| 237 static void fneg(); | |
| 238 static void dneg(); | |
| 239 | |
| 240 static void iinc(); | |
| 241 static void wide_iinc(); | |
| 242 static void convert(); | |
| 243 static void lcmp(); | |
| 244 | |
| 245 static void float_cmp (bool is_float, int unordered_result); | |
| 246 static void float_cmp (int unordered_result); | |
| 247 static void double_cmp(int unordered_result); | |
| 248 | |
| 249 static void count_calls(Register method, Register temp); | |
| 250 static void branch(bool is_jsr, bool is_wide); | |
| 251 static void if_0cmp (Condition cc); | |
| 252 static void if_icmp (Condition cc); | |
| 253 static void if_nullcmp(Condition cc); | |
| 254 static void if_acmp (Condition cc); | |
| 255 | |
| 256 static void _goto(); | |
| 257 static void jsr(); | |
| 258 static void ret(); | |
| 259 static void wide_ret(); | |
| 260 | |
| 261 static void goto_w(); | |
| 262 static void jsr_w(); | |
| 263 | |
| 264 static void tableswitch(); | |
| 265 static void lookupswitch(); | |
| 266 static void fast_linearswitch(); | |
| 267 static void fast_binaryswitch(); | |
| 268 | |
| 269 static void _return(TosState state); | |
| 270 | |
| 1565 | 271 static void resolve_cache_and_index(int byte_no, // one of 1,2,11 |
| 272 Register cache, // output for CP cache | |
| 273 Register index, // output for CP index | |
| 274 size_t index_size); // one of 1,2,4 | |
| 0 | 275 static void load_invoke_cp_cache_entry(int byte_no, |
| 276 Register method, | |
| 277 Register itable_index, | |
| 278 Register flags, | |
| 1565 | 279 bool is_invokevirtual, |
| 280 bool is_virtual_final, | |
| 281 bool is_invokedynamic); | |
| 0 | 282 static void load_field_cp_cache_entry(Register obj, |
| 283 Register cache, | |
| 284 Register index, | |
| 285 Register offset, | |
| 286 Register flags, | |
| 287 bool is_static); | |
| 288 static void invokevirtual(int byte_no); | |
| 289 static void invokespecial(int byte_no); | |
| 290 static void invokestatic(int byte_no); | |
| 291 static void invokeinterface(int byte_no); | |
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292 static void invokedynamic(int byte_no); |
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293 static void invokehandle(int byte_no); |
| 0 | 294 static void fast_invokevfinal(int byte_no); |
| 295 | |
| 296 static void getfield_or_static(int byte_no, bool is_static); | |
| 297 static void putfield_or_static(int byte_no, bool is_static); | |
| 298 static void getfield(int byte_no); | |
| 299 static void putfield(int byte_no); | |
| 300 static void getstatic(int byte_no); | |
| 301 static void putstatic(int byte_no); | |
| 302 static void pop_and_check_object(Register obj); | |
| 303 | |
| 304 static void _new(); | |
| 305 static void newarray(); | |
| 306 static void anewarray(); | |
| 307 static void arraylength(); | |
| 308 static void checkcast(); | |
| 309 static void instanceof(); | |
| 310 | |
| 311 static void athrow(); | |
| 312 | |
| 313 static void monitorenter(); | |
| 314 static void monitorexit(); | |
| 315 | |
| 316 static void wide(); | |
| 317 static void multianewarray(); | |
| 318 | |
| 319 static void fast_xaccess(TosState state); | |
| 320 static void fast_accessfield(TosState state); | |
| 321 static void fast_storefield(TosState state); | |
| 322 | |
| 323 static void _breakpoint(); | |
| 324 | |
| 325 static void shouldnotreachhere(); | |
| 326 | |
| 327 // jvmti support | |
| 328 static void jvmti_post_field_access(Register cache, Register index, bool is_static, bool has_tos); | |
| 329 static void jvmti_post_field_mod(Register cache, Register index, bool is_static); | |
| 330 static void jvmti_post_fast_field_mod(); | |
| 331 | |
| 332 // debugging of TemplateGenerator | |
| 333 static void transition(TosState tos_in, TosState tos_out);// checks if in/out states expected by template generator correspond to table entries | |
| 334 | |
| 335 // initialization helpers | |
| 336 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)( ), char filler ); | |
| 337 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(int arg ), int arg ); | |
| 338 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(bool arg ), bool arg ); | |
| 339 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(TosState tos), TosState tos); | |
| 340 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(Operation op), Operation op); | |
| 341 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(Condition cc), Condition cc); | |
| 342 | |
| 343 friend class Template; | |
| 344 | |
| 345 // InterpreterMacroAssembler::is_a(), etc., need TemplateTable::call_VM(). | |
| 346 friend class InterpreterMacroAssembler; | |
| 347 | |
| 348 public: | |
| 349 // Initialization | |
| 350 static void initialize(); | |
| 351 static void pd_initialize(); | |
| 352 | |
| 353 // Templates | |
| 354 static Template* template_for (Bytecodes::Code code) { Bytecodes::check (code); return &_template_table [code]; } | |
| 355 static Template* template_for_wide(Bytecodes::Code code) { Bytecodes::wide_check(code); return &_template_table_wide[code]; } | |
| 356 | |
| 357 // Platform specifics | |
| 1972 | 358 #ifdef TARGET_ARCH_MODEL_x86_32 |
| 359 # include "templateTable_x86_32.hpp" | |
| 360 #endif | |
| 361 #ifdef TARGET_ARCH_MODEL_x86_64 | |
| 362 # include "templateTable_x86_64.hpp" | |
| 363 #endif | |
| 364 #ifdef TARGET_ARCH_MODEL_sparc | |
| 365 # include "templateTable_sparc.hpp" | |
| 366 #endif | |
| 367 #ifdef TARGET_ARCH_MODEL_zero | |
| 368 # include "templateTable_zero.hpp" | |
| 369 #endif | |
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370 #ifdef TARGET_ARCH_MODEL_arm |
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371 # include "templateTable_arm.hpp" |
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372 #endif |
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373 #ifdef TARGET_ARCH_MODEL_ppc |
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374 # include "templateTable_ppc.hpp" |
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375 #endif |
| 1972 | 376 |
| 0 | 377 }; |
| 378 #endif /* !CC_INTERP */ | |
| 1972 | 379 |
| 380 #endif // SHARE_VM_INTERPRETER_TEMPLATETABLE_HPP |