Mercurial > hg > truffle
annotate src/share/vm/interpreter/templateTable.hpp @ 1602:136b78722a08
6939203: JSR 292 needs method handle constants
Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode.
Reviewed-by: twisti, never
| author | jrose |
|---|---|
| date | Wed, 09 Jun 2010 18:50:45 -0700 |
| parents | e9ff18c4ace7 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1579 | 2 * Copyright (c) 1997, 2010, 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 | |
| 25 #ifndef CC_INTERP | |
| 26 // All the necessary definitions used for (bytecode) template generation. Instead of | |
| 27 // spreading the implementation functionality for each bytecode in the interpreter | |
| 28 // and the snippet generator, a template is assigned to each bytecode which can be | |
| 29 // used to generate the bytecode's implementation if needed. | |
| 30 | |
| 31 | |
| 32 // A Template describes the properties of a code template for a given bytecode | |
| 33 // and provides a generator to generate the code template. | |
| 34 | |
| 35 class Template VALUE_OBJ_CLASS_SPEC { | |
| 36 private: | |
| 37 enum Flags { | |
| 38 uses_bcp_bit, // set if template needs the bcp pointing to bytecode | |
| 39 does_dispatch_bit, // set if template dispatches on its own | |
| 40 calls_vm_bit, // set if template calls the vm | |
| 41 wide_bit // set if template belongs to a wide instruction | |
| 42 }; | |
| 43 | |
| 44 typedef void (*generator)(int arg); | |
| 45 | |
| 46 int _flags; // describes interpreter template properties (bcp unknown) | |
| 47 TosState _tos_in; // tos cache state before template execution | |
| 48 TosState _tos_out; // tos cache state after template execution | |
| 49 generator _gen; // template code generator | |
| 50 int _arg; // argument for template code generator | |
| 51 | |
| 52 void initialize(int flags, TosState tos_in, TosState tos_out, generator gen, int arg); | |
| 53 | |
| 54 friend class TemplateTable; | |
| 55 | |
| 56 public: | |
| 57 Bytecodes::Code bytecode() const; | |
| 58 bool is_valid() const { return _gen != NULL; } | |
| 59 bool uses_bcp() const { return (_flags & (1 << uses_bcp_bit )) != 0; } | |
| 60 bool does_dispatch() const { return (_flags & (1 << does_dispatch_bit)) != 0; } | |
| 61 bool calls_vm() const { return (_flags & (1 << calls_vm_bit )) != 0; } | |
| 62 bool is_wide() const { return (_flags & (1 << wide_bit )) != 0; } | |
| 63 TosState tos_in() const { return _tos_in; } | |
| 64 TosState tos_out() const { return _tos_out; } | |
| 65 void generate(InterpreterMacroAssembler* masm); | |
| 66 }; | |
| 67 | |
| 68 | |
| 69 // The TemplateTable defines all Templates and provides accessor functions | |
| 70 // to get the template for a given bytecode. | |
| 71 | |
| 72 class TemplateTable: AllStatic { | |
| 73 public: | |
| 74 enum Operation { add, sub, mul, div, rem, _and, _or, _xor, shl, shr, ushr }; | |
| 75 enum Condition { equal, not_equal, less, less_equal, greater, greater_equal }; | |
| 1565 | 76 enum CacheByte { f1_byte = 1, f2_byte = 2, f1_oop = 0x11 }; // byte_no codes |
| 0 | 77 |
| 78 private: | |
| 79 static bool _is_initialized; // true if TemplateTable has been initialized | |
| 80 static Template _template_table [Bytecodes::number_of_codes]; | |
| 81 static Template _template_table_wide[Bytecodes::number_of_codes]; | |
| 82 | |
| 83 static Template* _desc; // the current template to be generated | |
| 84 static Bytecodes::Code bytecode() { return _desc->bytecode(); } | |
| 85 | |
| 342 | 86 static BarrierSet* _bs; // Cache the barrier set. |
| 0 | 87 public: |
| 88 //%note templates_1 | |
| 89 static InterpreterMacroAssembler* _masm; // the assembler used when generating templates | |
| 90 | |
| 91 private: | |
| 92 | |
| 93 // special registers | |
| 94 static inline Address at_bcp(int offset); | |
| 95 | |
| 96 // helpers | |
| 97 static void unimplemented_bc(); | |
| 98 static void patch_bytecode(Bytecodes::Code bc, Register scratch1, | |
| 99 Register scratch2, bool load_bc_in_scratch = true); | |
| 100 | |
| 101 // C calls | |
| 102 static void call_VM(Register oop_result, address entry_point); | |
| 103 static void call_VM(Register oop_result, address entry_point, Register arg_1); | |
| 104 static void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2); | |
| 105 static void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, Register arg_3); | |
| 106 | |
| 107 // these overloadings are not presently used on SPARC: | |
| 108 static void call_VM(Register oop_result, Register last_java_sp, address entry_point); | |
| 109 static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1); | |
| 110 static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2); | |
| 111 static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3); | |
| 112 | |
| 113 // bytecodes | |
| 114 static void nop(); | |
| 115 | |
| 116 static void aconst_null(); | |
| 117 static void iconst(int value); | |
| 118 static void lconst(int value); | |
| 119 static void fconst(int value); | |
| 120 static void dconst(int value); | |
| 121 | |
| 122 static void bipush(); | |
| 123 static void sipush(); | |
| 124 static void ldc(bool wide); | |
| 125 static void ldc2_w(); | |
| 1602 | 126 static void fast_aldc(bool wide); |
| 0 | 127 |
| 128 static void locals_index(Register reg, int offset = 1); | |
| 129 static void iload(); | |
| 130 static void fast_iload(); | |
| 131 static void fast_iload2(); | |
| 132 static void fast_icaload(); | |
| 133 static void lload(); | |
| 134 static void fload(); | |
| 135 static void dload(); | |
| 136 static void aload(); | |
| 137 | |
| 138 static void locals_index_wide(Register reg); | |
| 139 static void wide_iload(); | |
| 140 static void wide_lload(); | |
| 141 static void wide_fload(); | |
| 142 static void wide_dload(); | |
| 143 static void wide_aload(); | |
| 144 | |
| 145 static void iaload(); | |
| 146 static void laload(); | |
| 147 static void faload(); | |
| 148 static void daload(); | |
| 149 static void aaload(); | |
| 150 static void baload(); | |
| 151 static void caload(); | |
| 152 static void saload(); | |
| 153 | |
| 154 static void iload(int n); | |
| 155 static void lload(int n); | |
| 156 static void fload(int n); | |
| 157 static void dload(int n); | |
| 158 static void aload(int n); | |
| 159 static void aload_0(); | |
| 160 | |
| 161 static void istore(); | |
| 162 static void lstore(); | |
| 163 static void fstore(); | |
| 164 static void dstore(); | |
| 165 static void astore(); | |
| 166 | |
| 167 static void wide_istore(); | |
| 168 static void wide_lstore(); | |
| 169 static void wide_fstore(); | |
| 170 static void wide_dstore(); | |
| 171 static void wide_astore(); | |
| 172 | |
| 173 static void iastore(); | |
| 174 static void lastore(); | |
| 175 static void fastore(); | |
| 176 static void dastore(); | |
| 177 static void aastore(); | |
| 178 static void bastore(); | |
| 179 static void castore(); | |
| 180 static void sastore(); | |
| 181 | |
| 182 static void istore(int n); | |
| 183 static void lstore(int n); | |
| 184 static void fstore(int n); | |
| 185 static void dstore(int n); | |
| 186 static void astore(int n); | |
| 187 | |
| 188 static void pop(); | |
| 189 static void pop2(); | |
| 190 static void dup(); | |
| 191 static void dup_x1(); | |
| 192 static void dup_x2(); | |
| 193 static void dup2(); | |
| 194 static void dup2_x1(); | |
| 195 static void dup2_x2(); | |
| 196 static void swap(); | |
| 197 | |
| 198 static void iop2(Operation op); | |
| 199 static void lop2(Operation op); | |
| 200 static void fop2(Operation op); | |
| 201 static void dop2(Operation op); | |
| 202 | |
| 203 static void idiv(); | |
| 204 static void irem(); | |
| 205 | |
| 206 static void lmul(); | |
| 207 static void ldiv(); | |
| 208 static void lrem(); | |
| 209 static void lshl(); | |
| 210 static void lshr(); | |
| 211 static void lushr(); | |
| 212 | |
| 213 static void ineg(); | |
| 214 static void lneg(); | |
| 215 static void fneg(); | |
| 216 static void dneg(); | |
| 217 | |
| 218 static void iinc(); | |
| 219 static void wide_iinc(); | |
| 220 static void convert(); | |
| 221 static void lcmp(); | |
| 222 | |
| 223 static void float_cmp (bool is_float, int unordered_result); | |
| 224 static void float_cmp (int unordered_result); | |
| 225 static void double_cmp(int unordered_result); | |
| 226 | |
| 227 static void count_calls(Register method, Register temp); | |
| 228 static void branch(bool is_jsr, bool is_wide); | |
| 229 static void if_0cmp (Condition cc); | |
| 230 static void if_icmp (Condition cc); | |
| 231 static void if_nullcmp(Condition cc); | |
| 232 static void if_acmp (Condition cc); | |
| 233 | |
| 234 static void _goto(); | |
| 235 static void jsr(); | |
| 236 static void ret(); | |
| 237 static void wide_ret(); | |
| 238 | |
| 239 static void goto_w(); | |
| 240 static void jsr_w(); | |
| 241 | |
| 242 static void tableswitch(); | |
| 243 static void lookupswitch(); | |
| 244 static void fast_linearswitch(); | |
| 245 static void fast_binaryswitch(); | |
| 246 | |
| 247 static void _return(TosState state); | |
| 248 | |
| 1565 | 249 static void resolve_cache_and_index(int byte_no, // one of 1,2,11 |
| 250 Register result , // either noreg or output for f1/f2 | |
| 251 Register cache, // output for CP cache | |
| 252 Register index, // output for CP index | |
| 253 size_t index_size); // one of 1,2,4 | |
| 0 | 254 static void load_invoke_cp_cache_entry(int byte_no, |
| 255 Register method, | |
| 256 Register itable_index, | |
| 257 Register flags, | |
| 1565 | 258 bool is_invokevirtual, |
| 259 bool is_virtual_final, | |
| 260 bool is_invokedynamic); | |
| 0 | 261 static void load_field_cp_cache_entry(Register obj, |
| 262 Register cache, | |
| 263 Register index, | |
| 264 Register offset, | |
| 265 Register flags, | |
| 266 bool is_static); | |
| 267 static void invokevirtual(int byte_no); | |
| 268 static void invokespecial(int byte_no); | |
| 269 static void invokestatic(int byte_no); | |
| 270 static void invokeinterface(int byte_no); | |
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271 static void invokedynamic(int byte_no); |
| 0 | 272 static void fast_invokevfinal(int byte_no); |
| 273 | |
| 274 static void getfield_or_static(int byte_no, bool is_static); | |
| 275 static void putfield_or_static(int byte_no, bool is_static); | |
| 276 static void getfield(int byte_no); | |
| 277 static void putfield(int byte_no); | |
| 278 static void getstatic(int byte_no); | |
| 279 static void putstatic(int byte_no); | |
| 280 static void pop_and_check_object(Register obj); | |
| 281 | |
| 282 static void _new(); | |
| 283 static void newarray(); | |
| 284 static void anewarray(); | |
| 285 static void arraylength(); | |
| 286 static void checkcast(); | |
| 287 static void instanceof(); | |
| 288 | |
| 289 static void athrow(); | |
| 290 | |
| 291 static void monitorenter(); | |
| 292 static void monitorexit(); | |
| 293 | |
| 294 static void wide(); | |
| 295 static void multianewarray(); | |
| 296 | |
| 297 static void fast_xaccess(TosState state); | |
| 298 static void fast_accessfield(TosState state); | |
| 299 static void fast_storefield(TosState state); | |
| 300 | |
| 301 static void _breakpoint(); | |
| 302 | |
| 303 static void shouldnotreachhere(); | |
| 304 | |
| 305 // jvmti support | |
| 306 static void jvmti_post_field_access(Register cache, Register index, bool is_static, bool has_tos); | |
| 307 static void jvmti_post_field_mod(Register cache, Register index, bool is_static); | |
| 308 static void jvmti_post_fast_field_mod(); | |
| 309 | |
| 310 // debugging of TemplateGenerator | |
| 311 static void transition(TosState tos_in, TosState tos_out);// checks if in/out states expected by template generator correspond to table entries | |
| 312 | |
| 313 // initialization helpers | |
| 314 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)( ), char filler ); | |
| 315 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(int arg ), int arg ); | |
| 316 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(bool arg ), bool arg ); | |
| 317 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(TosState tos), TosState tos); | |
| 318 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(Operation op), Operation op); | |
| 319 static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(Condition cc), Condition cc); | |
| 320 | |
| 321 friend class Template; | |
| 322 | |
| 323 // InterpreterMacroAssembler::is_a(), etc., need TemplateTable::call_VM(). | |
| 324 friend class InterpreterMacroAssembler; | |
| 325 | |
| 326 public: | |
| 327 // Initialization | |
| 328 static void initialize(); | |
| 329 static void pd_initialize(); | |
| 330 | |
| 331 // Templates | |
| 332 static Template* template_for (Bytecodes::Code code) { Bytecodes::check (code); return &_template_table [code]; } | |
| 333 static Template* template_for_wide(Bytecodes::Code code) { Bytecodes::wide_check(code); return &_template_table_wide[code]; } | |
| 334 | |
| 335 // Platform specifics | |
| 336 #include "incls/_templateTable_pd.hpp.incl" | |
| 337 }; | |
| 338 #endif /* !CC_INTERP */ |