bytecodes.cpp revision 0:a61af66fc99e
17984SN/A/* 27984SN/A * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved. 37984SN/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 47984SN/A * 57984SN/A * This code is free software; you can redistribute it and/or modify it 67984SN/A * under the terms of the GNU General Public License version 2 only, as 77984SN/A * published by the Free Software Foundation. 87984SN/A * 97984SN/A * This code is distributed in the hope that it will be useful, but WITHOUT 107984SN/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 117984SN/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 127984SN/A * version 2 for more details (a copy is included in the LICENSE file that 137984SN/A * accompanied this code). 147984SN/A * 157984SN/A * You should have received a copy of the GNU General Public License version 167984SN/A * 2 along with this work; if not, write to the Free Software Foundation, 177984SN/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 187984SN/A * 197984SN/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 207984SN/A * CA 95054 USA or visit www.sun.com if you need additional information or 217984SN/A * have any questions. 227984SN/A * 237984SN/A */ 247984SN/A 257984SN/A#include "incls/_precompiled.incl" 267984SN/A#include "incls/_bytecodes.cpp.incl" 277984SN/A 287984SN/A 297984SN/A// Windows AMD64 Compiler Hangs compiling this file 307984SN/A// unless optimization is off 317984SN/A#ifdef _M_AMD64 327984SN/A#pragma optimize ("", off) 337984SN/A#endif 347984SN/A 357984SN/A 367984SN/Abool Bytecodes::_is_initialized = false; 377984SN/Aconst char* Bytecodes::_name [Bytecodes::number_of_codes]; 387984SN/Aconst char* Bytecodes::_format [Bytecodes::number_of_codes]; 397984SN/Aconst char* Bytecodes::_wide_format [Bytecodes::number_of_codes]; 407984SN/ABasicType Bytecodes::_result_type [Bytecodes::number_of_codes]; 417984SN/As_char Bytecodes::_depth [Bytecodes::number_of_codes]; 427984SN/Au_char Bytecodes::_length [Bytecodes::number_of_codes]; 437984SN/Abool Bytecodes::_can_trap [Bytecodes::number_of_codes]; 447984SN/ABytecodes::Code Bytecodes::_java_code [Bytecodes::number_of_codes]; 457984SN/Abool Bytecodes::_can_rewrite [Bytecodes::number_of_codes]; 4610484SN/A 477984SN/A 487984SN/ABytecodes::Code Bytecodes::code_at(methodOop method, int bci) { 497984SN/A return code_at(method->bcp_from(bci), method); 507984SN/A} 517984SN/A 527984SN/ABytecodes::Code Bytecodes::non_breakpoint_code_at(address bcp, methodOop method) { 537984SN/A if (method == NULL) method = methodOopDesc::method_from_bcp(bcp); 547984SN/A return method->orig_bytecode_at(method->bci_from(bcp)); 557984SN/A} 567984SN/A 577984SN/Aint Bytecodes::special_length_at(address bcp) { 587984SN/A Code code = code_at(bcp); 597984SN/A switch (code) { 607984SN/A case _wide: 617984SN/A return wide_length_for(cast(*(bcp + 1))); 627984SN/A case _tableswitch: 637984SN/A { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize); 647984SN/A jlong lo = (jint)Bytes::get_Java_u4(aligned_bcp + 1*jintSize); 657984SN/A jlong hi = (jint)Bytes::get_Java_u4(aligned_bcp + 2*jintSize); 667984SN/A jlong len = (aligned_bcp - bcp) + (3 + hi - lo + 1)*jintSize; 677984SN/A // only return len if it can be represented as a positive int; 687984SN/A // return -1 otherwise 697984SN/A return (len > 0 && len == (int)len) ? len : -1; 707984SN/A } 717984SN/A 727984SN/A case _lookupswitch: // fall through 737984SN/A case _fast_binaryswitch: // fall through 747984SN/A case _fast_linearswitch: 757984SN/A { address aligned_bcp = (address)round_to((intptr_t)bcp + 1, jintSize); 767984SN/A jlong npairs = (jint)Bytes::get_Java_u4(aligned_bcp + jintSize); 777984SN/A jlong len = (aligned_bcp - bcp) + (2 + 2*npairs)*jintSize; 787984SN/A // only return len if it can be represented as a positive int; 797984SN/A // return -1 otherwise 807984SN/A return (len > 0 && len == (int)len) ? len : -1; 817984SN/A } 827984SN/A } 837984SN/A return 0; 847984SN/A} 857984SN/A 867984SN/A// At a breakpoint instruction, this returns the breakpoint's length, 877984SN/A// otherwise, it's the same as special_length_at(). This is used by 887984SN/A// the RawByteCodeStream, which wants to see the actual bytecode 897984SN/A// values (including breakpoint). RawByteCodeStream is used by the 907984SN/A// verifier when reading in bytecode to verify. Other mechanisms that 917984SN/A// run at runtime (such as generateOopMaps) need to iterate over the code 927984SN/A// and don't expect to see breakpoints: they want to see the instruction 937984SN/A// which was replaces so that they can get the correct length and find 947984SN/A// the next bytecode. 957984SN/Aint Bytecodes::raw_special_length_at(address bcp) { 967984SN/A Code code = code_or_bp_at(bcp); 977984SN/A if (code == _breakpoint) { 987984SN/A return 1; 997984SN/A } else { 1007984SN/A return special_length_at(bcp); 1017984SN/A } 1027984SN/A} 1037984SN/A 1047984SN/A 1057984SN/A 1067984SN/Avoid Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap) { 1077984SN/A def(code, name, format, wide_format, result_type, depth, can_trap, code); 1087984SN/A} 1097984SN/A 110 111void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap, Code java_code) { 112 assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form"); 113 _name [code] = name; 114 _format [code] = format; 115 _wide_format [code] = wide_format; 116 _result_type [code] = result_type; 117 _depth [code] = depth; 118 _can_trap [code] = can_trap; 119 _length [code] = format != NULL ? (u_char)strlen(format) : 0; 120 _java_code [code] = java_code; 121 if (java_code != code) _can_rewrite[java_code] = true; 122} 123 124 125// Format strings interpretation: 126// 127// b: bytecode 128// c: signed constant, Java byte-ordering 129// i: unsigned index , Java byte-ordering 130// j: unsigned index , native byte-ordering 131// o: branch offset , Java byte-ordering 132// _: unused/ignored 133// w: wide bytecode 134// 135// Note: Right now the format strings are used for 2 purposes: 136// 1. to specify the length of the bytecode 137// (= number of characters in format string) 138// 2. to specify the bytecode attributes 139// 140// The bytecode attributes are currently used only for bytecode tracing 141// (see BytecodeTracer); thus if more specific format information is 142// used, one would also have to adjust the bytecode tracer. 143// 144// Note: For bytecodes with variable length, the format string is the empty string. 145 146void Bytecodes::initialize() { 147 if (_is_initialized) return; 148 assert(number_of_codes <= 256, "too many bytecodes"); 149 150 // initialize bytecode tables - didn't use static array initializers 151 // (such as {}) so we can do additional consistency checks and init- 152 // code is independent of actual bytecode numbering. 153 // 154 // Note 1: NULL for the format string means the bytecode doesn't exist 155 // in that form. 156 // 157 // Note 2: The result type is T_ILLEGAL for bytecodes where the top of stack 158 // type after execution is not only determined by the bytecode itself. 159 160 // Java bytecodes 161 // bytecode bytecode name format wide f. result tp stk traps 162 def(_nop , "nop" , "b" , NULL , T_VOID , 0, false); 163 def(_aconst_null , "aconst_null" , "b" , NULL , T_OBJECT , 1, false); 164 def(_iconst_m1 , "iconst_m1" , "b" , NULL , T_INT , 1, false); 165 def(_iconst_0 , "iconst_0" , "b" , NULL , T_INT , 1, false); 166 def(_iconst_1 , "iconst_1" , "b" , NULL , T_INT , 1, false); 167 def(_iconst_2 , "iconst_2" , "b" , NULL , T_INT , 1, false); 168 def(_iconst_3 , "iconst_3" , "b" , NULL , T_INT , 1, false); 169 def(_iconst_4 , "iconst_4" , "b" , NULL , T_INT , 1, false); 170 def(_iconst_5 , "iconst_5" , "b" , NULL , T_INT , 1, false); 171 def(_lconst_0 , "lconst_0" , "b" , NULL , T_LONG , 2, false); 172 def(_lconst_1 , "lconst_1" , "b" , NULL , T_LONG , 2, false); 173 def(_fconst_0 , "fconst_0" , "b" , NULL , T_FLOAT , 1, false); 174 def(_fconst_1 , "fconst_1" , "b" , NULL , T_FLOAT , 1, false); 175 def(_fconst_2 , "fconst_2" , "b" , NULL , T_FLOAT , 1, false); 176 def(_dconst_0 , "dconst_0" , "b" , NULL , T_DOUBLE , 2, false); 177 def(_dconst_1 , "dconst_1" , "b" , NULL , T_DOUBLE , 2, false); 178 def(_bipush , "bipush" , "bc" , NULL , T_INT , 1, false); 179 def(_sipush , "sipush" , "bcc" , NULL , T_INT , 1, false); 180 def(_ldc , "ldc" , "bi" , NULL , T_ILLEGAL, 1, true ); 181 def(_ldc_w , "ldc_w" , "bii" , NULL , T_ILLEGAL, 1, true ); 182 def(_ldc2_w , "ldc2_w" , "bii" , NULL , T_ILLEGAL, 2, true ); 183 def(_iload , "iload" , "bi" , "wbii" , T_INT , 1, false); 184 def(_lload , "lload" , "bi" , "wbii" , T_LONG , 2, false); 185 def(_fload , "fload" , "bi" , "wbii" , T_FLOAT , 1, false); 186 def(_dload , "dload" , "bi" , "wbii" , T_DOUBLE , 2, false); 187 def(_aload , "aload" , "bi" , "wbii" , T_OBJECT , 1, false); 188 def(_iload_0 , "iload_0" , "b" , NULL , T_INT , 1, false); 189 def(_iload_1 , "iload_1" , "b" , NULL , T_INT , 1, false); 190 def(_iload_2 , "iload_2" , "b" , NULL , T_INT , 1, false); 191 def(_iload_3 , "iload_3" , "b" , NULL , T_INT , 1, false); 192 def(_lload_0 , "lload_0" , "b" , NULL , T_LONG , 2, false); 193 def(_lload_1 , "lload_1" , "b" , NULL , T_LONG , 2, false); 194 def(_lload_2 , "lload_2" , "b" , NULL , T_LONG , 2, false); 195 def(_lload_3 , "lload_3" , "b" , NULL , T_LONG , 2, false); 196 def(_fload_0 , "fload_0" , "b" , NULL , T_FLOAT , 1, false); 197 def(_fload_1 , "fload_1" , "b" , NULL , T_FLOAT , 1, false); 198 def(_fload_2 , "fload_2" , "b" , NULL , T_FLOAT , 1, false); 199 def(_fload_3 , "fload_3" , "b" , NULL , T_FLOAT , 1, false); 200 def(_dload_0 , "dload_0" , "b" , NULL , T_DOUBLE , 2, false); 201 def(_dload_1 , "dload_1" , "b" , NULL , T_DOUBLE , 2, false); 202 def(_dload_2 , "dload_2" , "b" , NULL , T_DOUBLE , 2, false); 203 def(_dload_3 , "dload_3" , "b" , NULL , T_DOUBLE , 2, false); 204 def(_aload_0 , "aload_0" , "b" , NULL , T_OBJECT , 1, true ); // rewriting in interpreter 205 def(_aload_1 , "aload_1" , "b" , NULL , T_OBJECT , 1, false); 206 def(_aload_2 , "aload_2" , "b" , NULL , T_OBJECT , 1, false); 207 def(_aload_3 , "aload_3" , "b" , NULL , T_OBJECT , 1, false); 208 def(_iaload , "iaload" , "b" , NULL , T_INT , -1, true ); 209 def(_laload , "laload" , "b" , NULL , T_LONG , 0, true ); 210 def(_faload , "faload" , "b" , NULL , T_FLOAT , -1, true ); 211 def(_daload , "daload" , "b" , NULL , T_DOUBLE , 0, true ); 212 def(_aaload , "aaload" , "b" , NULL , T_OBJECT , -1, true ); 213 def(_baload , "baload" , "b" , NULL , T_INT , -1, true ); 214 def(_caload , "caload" , "b" , NULL , T_INT , -1, true ); 215 def(_saload , "saload" , "b" , NULL , T_INT , -1, true ); 216 def(_istore , "istore" , "bi" , "wbii" , T_VOID , -1, false); 217 def(_lstore , "lstore" , "bi" , "wbii" , T_VOID , -2, false); 218 def(_fstore , "fstore" , "bi" , "wbii" , T_VOID , -1, false); 219 def(_dstore , "dstore" , "bi" , "wbii" , T_VOID , -2, false); 220 def(_astore , "astore" , "bi" , "wbii" , T_VOID , -1, false); 221 def(_istore_0 , "istore_0" , "b" , NULL , T_VOID , -1, false); 222 def(_istore_1 , "istore_1" , "b" , NULL , T_VOID , -1, false); 223 def(_istore_2 , "istore_2" , "b" , NULL , T_VOID , -1, false); 224 def(_istore_3 , "istore_3" , "b" , NULL , T_VOID , -1, false); 225 def(_lstore_0 , "lstore_0" , "b" , NULL , T_VOID , -2, false); 226 def(_lstore_1 , "lstore_1" , "b" , NULL , T_VOID , -2, false); 227 def(_lstore_2 , "lstore_2" , "b" , NULL , T_VOID , -2, false); 228 def(_lstore_3 , "lstore_3" , "b" , NULL , T_VOID , -2, false); 229 def(_fstore_0 , "fstore_0" , "b" , NULL , T_VOID , -1, false); 230 def(_fstore_1 , "fstore_1" , "b" , NULL , T_VOID , -1, false); 231 def(_fstore_2 , "fstore_2" , "b" , NULL , T_VOID , -1, false); 232 def(_fstore_3 , "fstore_3" , "b" , NULL , T_VOID , -1, false); 233 def(_dstore_0 , "dstore_0" , "b" , NULL , T_VOID , -2, false); 234 def(_dstore_1 , "dstore_1" , "b" , NULL , T_VOID , -2, false); 235 def(_dstore_2 , "dstore_2" , "b" , NULL , T_VOID , -2, false); 236 def(_dstore_3 , "dstore_3" , "b" , NULL , T_VOID , -2, false); 237 def(_astore_0 , "astore_0" , "b" , NULL , T_VOID , -1, false); 238 def(_astore_1 , "astore_1" , "b" , NULL , T_VOID , -1, false); 239 def(_astore_2 , "astore_2" , "b" , NULL , T_VOID , -1, false); 240 def(_astore_3 , "astore_3" , "b" , NULL , T_VOID , -1, false); 241 def(_iastore , "iastore" , "b" , NULL , T_VOID , -3, true ); 242 def(_lastore , "lastore" , "b" , NULL , T_VOID , -4, true ); 243 def(_fastore , "fastore" , "b" , NULL , T_VOID , -3, true ); 244 def(_dastore , "dastore" , "b" , NULL , T_VOID , -4, true ); 245 def(_aastore , "aastore" , "b" , NULL , T_VOID , -3, true ); 246 def(_bastore , "bastore" , "b" , NULL , T_VOID , -3, true ); 247 def(_castore , "castore" , "b" , NULL , T_VOID , -3, true ); 248 def(_sastore , "sastore" , "b" , NULL , T_VOID , -3, true ); 249 def(_pop , "pop" , "b" , NULL , T_VOID , -1, false); 250 def(_pop2 , "pop2" , "b" , NULL , T_VOID , -2, false); 251 def(_dup , "dup" , "b" , NULL , T_VOID , 1, false); 252 def(_dup_x1 , "dup_x1" , "b" , NULL , T_VOID , 1, false); 253 def(_dup_x2 , "dup_x2" , "b" , NULL , T_VOID , 1, false); 254 def(_dup2 , "dup2" , "b" , NULL , T_VOID , 2, false); 255 def(_dup2_x1 , "dup2_x1" , "b" , NULL , T_VOID , 2, false); 256 def(_dup2_x2 , "dup2_x2" , "b" , NULL , T_VOID , 2, false); 257 def(_swap , "swap" , "b" , NULL , T_VOID , 0, false); 258 def(_iadd , "iadd" , "b" , NULL , T_INT , -1, false); 259 def(_ladd , "ladd" , "b" , NULL , T_LONG , -2, false); 260 def(_fadd , "fadd" , "b" , NULL , T_FLOAT , -1, false); 261 def(_dadd , "dadd" , "b" , NULL , T_DOUBLE , -2, false); 262 def(_isub , "isub" , "b" , NULL , T_INT , -1, false); 263 def(_lsub , "lsub" , "b" , NULL , T_LONG , -2, false); 264 def(_fsub , "fsub" , "b" , NULL , T_FLOAT , -1, false); 265 def(_dsub , "dsub" , "b" , NULL , T_DOUBLE , -2, false); 266 def(_imul , "imul" , "b" , NULL , T_INT , -1, false); 267 def(_lmul , "lmul" , "b" , NULL , T_LONG , -2, false); 268 def(_fmul , "fmul" , "b" , NULL , T_FLOAT , -1, false); 269 def(_dmul , "dmul" , "b" , NULL , T_DOUBLE , -2, false); 270 def(_idiv , "idiv" , "b" , NULL , T_INT , -1, true ); 271 def(_ldiv , "ldiv" , "b" , NULL , T_LONG , -2, true ); 272 def(_fdiv , "fdiv" , "b" , NULL , T_FLOAT , -1, false); 273 def(_ddiv , "ddiv" , "b" , NULL , T_DOUBLE , -2, false); 274 def(_irem , "irem" , "b" , NULL , T_INT , -1, true ); 275 def(_lrem , "lrem" , "b" , NULL , T_LONG , -2, true ); 276 def(_frem , "frem" , "b" , NULL , T_FLOAT , -1, false); 277 def(_drem , "drem" , "b" , NULL , T_DOUBLE , -2, false); 278 def(_ineg , "ineg" , "b" , NULL , T_INT , 0, false); 279 def(_lneg , "lneg" , "b" , NULL , T_LONG , 0, false); 280 def(_fneg , "fneg" , "b" , NULL , T_FLOAT , 0, false); 281 def(_dneg , "dneg" , "b" , NULL , T_DOUBLE , 0, false); 282 def(_ishl , "ishl" , "b" , NULL , T_INT , -1, false); 283 def(_lshl , "lshl" , "b" , NULL , T_LONG , -1, false); 284 def(_ishr , "ishr" , "b" , NULL , T_INT , -1, false); 285 def(_lshr , "lshr" , "b" , NULL , T_LONG , -1, false); 286 def(_iushr , "iushr" , "b" , NULL , T_INT , -1, false); 287 def(_lushr , "lushr" , "b" , NULL , T_LONG , -1, false); 288 def(_iand , "iand" , "b" , NULL , T_INT , -1, false); 289 def(_land , "land" , "b" , NULL , T_LONG , -2, false); 290 def(_ior , "ior" , "b" , NULL , T_INT , -1, false); 291 def(_lor , "lor" , "b" , NULL , T_LONG , -2, false); 292 def(_ixor , "ixor" , "b" , NULL , T_INT , -1, false); 293 def(_lxor , "lxor" , "b" , NULL , T_LONG , -2, false); 294 def(_iinc , "iinc" , "bic" , "wbiicc", T_VOID , 0, false); 295 def(_i2l , "i2l" , "b" , NULL , T_LONG , 1, false); 296 def(_i2f , "i2f" , "b" , NULL , T_FLOAT , 0, false); 297 def(_i2d , "i2d" , "b" , NULL , T_DOUBLE , 1, false); 298 def(_l2i , "l2i" , "b" , NULL , T_INT , -1, false); 299 def(_l2f , "l2f" , "b" , NULL , T_FLOAT , -1, false); 300 def(_l2d , "l2d" , "b" , NULL , T_DOUBLE , 0, false); 301 def(_f2i , "f2i" , "b" , NULL , T_INT , 0, false); 302 def(_f2l , "f2l" , "b" , NULL , T_LONG , 1, false); 303 def(_f2d , "f2d" , "b" , NULL , T_DOUBLE , 1, false); 304 def(_d2i , "d2i" , "b" , NULL , T_INT , -1, false); 305 def(_d2l , "d2l" , "b" , NULL , T_LONG , 0, false); 306 def(_d2f , "d2f" , "b" , NULL , T_FLOAT , -1, false); 307 def(_i2b , "i2b" , "b" , NULL , T_BYTE , 0, false); 308 def(_i2c , "i2c" , "b" , NULL , T_CHAR , 0, false); 309 def(_i2s , "i2s" , "b" , NULL , T_SHORT , 0, false); 310 def(_lcmp , "lcmp" , "b" , NULL , T_VOID , -3, false); 311 def(_fcmpl , "fcmpl" , "b" , NULL , T_VOID , -1, false); 312 def(_fcmpg , "fcmpg" , "b" , NULL , T_VOID , -1, false); 313 def(_dcmpl , "dcmpl" , "b" , NULL , T_VOID , -3, false); 314 def(_dcmpg , "dcmpg" , "b" , NULL , T_VOID , -3, false); 315 def(_ifeq , "ifeq" , "boo" , NULL , T_VOID , -1, false); 316 def(_ifne , "ifne" , "boo" , NULL , T_VOID , -1, false); 317 def(_iflt , "iflt" , "boo" , NULL , T_VOID , -1, false); 318 def(_ifge , "ifge" , "boo" , NULL , T_VOID , -1, false); 319 def(_ifgt , "ifgt" , "boo" , NULL , T_VOID , -1, false); 320 def(_ifle , "ifle" , "boo" , NULL , T_VOID , -1, false); 321 def(_if_icmpeq , "if_icmpeq" , "boo" , NULL , T_VOID , -2, false); 322 def(_if_icmpne , "if_icmpne" , "boo" , NULL , T_VOID , -2, false); 323 def(_if_icmplt , "if_icmplt" , "boo" , NULL , T_VOID , -2, false); 324 def(_if_icmpge , "if_icmpge" , "boo" , NULL , T_VOID , -2, false); 325 def(_if_icmpgt , "if_icmpgt" , "boo" , NULL , T_VOID , -2, false); 326 def(_if_icmple , "if_icmple" , "boo" , NULL , T_VOID , -2, false); 327 def(_if_acmpeq , "if_acmpeq" , "boo" , NULL , T_VOID , -2, false); 328 def(_if_acmpne , "if_acmpne" , "boo" , NULL , T_VOID , -2, false); 329 def(_goto , "goto" , "boo" , NULL , T_VOID , 0, false); 330 def(_jsr , "jsr" , "boo" , NULL , T_INT , 0, false); 331 def(_ret , "ret" , "bi" , "wbii" , T_VOID , 0, false); 332 def(_tableswitch , "tableswitch" , "" , NULL , T_VOID , -1, false); // may have backward branches 333 def(_lookupswitch , "lookupswitch" , "" , NULL , T_VOID , -1, false); // rewriting in interpreter 334 def(_ireturn , "ireturn" , "b" , NULL , T_INT , -1, true); 335 def(_lreturn , "lreturn" , "b" , NULL , T_LONG , -2, true); 336 def(_freturn , "freturn" , "b" , NULL , T_FLOAT , -1, true); 337 def(_dreturn , "dreturn" , "b" , NULL , T_DOUBLE , -2, true); 338 def(_areturn , "areturn" , "b" , NULL , T_OBJECT , -1, true); 339 def(_return , "return" , "b" , NULL , T_VOID , 0, true); 340 def(_getstatic , "getstatic" , "bjj" , NULL , T_ILLEGAL, 1, true ); 341 def(_putstatic , "putstatic" , "bjj" , NULL , T_ILLEGAL, -1, true ); 342 def(_getfield , "getfield" , "bjj" , NULL , T_ILLEGAL, 0, true ); 343 def(_putfield , "putfield" , "bjj" , NULL , T_ILLEGAL, -2, true ); 344 def(_invokevirtual , "invokevirtual" , "bjj" , NULL , T_ILLEGAL, -1, true); 345 def(_invokespecial , "invokespecial" , "bjj" , NULL , T_ILLEGAL, -1, true); 346 def(_invokestatic , "invokestatic" , "bjj" , NULL , T_ILLEGAL, 0, true); 347 def(_invokeinterface , "invokeinterface" , "bjj__", NULL , T_ILLEGAL, -1, true); 348 def(_xxxunusedxxx , "xxxunusedxxx" , NULL , NULL , T_VOID , 0, false); 349 def(_new , "new" , "bii" , NULL , T_OBJECT , 1, true ); 350 def(_newarray , "newarray" , "bc" , NULL , T_OBJECT , 0, true ); 351 def(_anewarray , "anewarray" , "bii" , NULL , T_OBJECT , 0, true ); 352 def(_arraylength , "arraylength" , "b" , NULL , T_VOID , 0, true ); 353 def(_athrow , "athrow" , "b" , NULL , T_VOID , -1, true ); 354 def(_checkcast , "checkcast" , "bii" , NULL , T_OBJECT , 0, true ); 355 def(_instanceof , "instanceof" , "bii" , NULL , T_INT , 0, true ); 356 def(_monitorenter , "monitorenter" , "b" , NULL , T_VOID , -1, true ); 357 def(_monitorexit , "monitorexit" , "b" , NULL , T_VOID , -1, true ); 358 def(_wide , "wide" , "" , NULL , T_VOID , 0, false); 359 def(_multianewarray , "multianewarray" , "biic" , NULL , T_OBJECT , 1, true ); 360 def(_ifnull , "ifnull" , "boo" , NULL , T_VOID , -1, false); 361 def(_ifnonnull , "ifnonnull" , "boo" , NULL , T_VOID , -1, false); 362 def(_goto_w , "goto_w" , "boooo", NULL , T_VOID , 0, false); 363 def(_jsr_w , "jsr_w" , "boooo", NULL , T_INT , 0, false); 364 def(_breakpoint , "breakpoint" , "" , NULL , T_VOID , 0, true); 365 366 // JVM bytecodes 367 // bytecode bytecode name format wide f. result tp stk traps std code 368 369 def(_fast_agetfield , "fast_agetfield" , "bjj" , NULL , T_OBJECT , 0, true , _getfield ); 370 def(_fast_bgetfield , "fast_bgetfield" , "bjj" , NULL , T_INT , 0, true , _getfield ); 371 def(_fast_cgetfield , "fast_cgetfield" , "bjj" , NULL , T_CHAR , 0, true , _getfield ); 372 def(_fast_dgetfield , "fast_dgetfield" , "bjj" , NULL , T_DOUBLE , 0, true , _getfield ); 373 def(_fast_fgetfield , "fast_fgetfield" , "bjj" , NULL , T_FLOAT , 0, true , _getfield ); 374 def(_fast_igetfield , "fast_igetfield" , "bjj" , NULL , T_INT , 0, true , _getfield ); 375 def(_fast_lgetfield , "fast_lgetfield" , "bjj" , NULL , T_LONG , 0, true , _getfield ); 376 def(_fast_sgetfield , "fast_sgetfield" , "bjj" , NULL , T_SHORT , 0, true , _getfield ); 377 378 def(_fast_aputfield , "fast_aputfield" , "bjj" , NULL , T_OBJECT , 0, true , _putfield ); 379 def(_fast_bputfield , "fast_bputfield" , "bjj" , NULL , T_INT , 0, true , _putfield ); 380 def(_fast_cputfield , "fast_cputfield" , "bjj" , NULL , T_CHAR , 0, true , _putfield ); 381 def(_fast_dputfield , "fast_dputfield" , "bjj" , NULL , T_DOUBLE , 0, true , _putfield ); 382 def(_fast_fputfield , "fast_fputfield" , "bjj" , NULL , T_FLOAT , 0, true , _putfield ); 383 def(_fast_iputfield , "fast_iputfield" , "bjj" , NULL , T_INT , 0, true , _putfield ); 384 def(_fast_lputfield , "fast_lputfield" , "bjj" , NULL , T_LONG , 0, true , _putfield ); 385 def(_fast_sputfield , "fast_sputfield" , "bjj" , NULL , T_SHORT , 0, true , _putfield ); 386 387 def(_fast_aload_0 , "fast_aload_0" , "b" , NULL , T_OBJECT , 1, true , _aload_0 ); 388 def(_fast_iaccess_0 , "fast_iaccess_0" , "b_jj" , NULL , T_INT , 1, true , _aload_0 ); 389 def(_fast_aaccess_0 , "fast_aaccess_0" , "b_jj" , NULL , T_OBJECT , 1, true , _aload_0 ); 390 def(_fast_faccess_0 , "fast_faccess_0" , "b_jj" , NULL , T_OBJECT , 1, true , _aload_0 ); 391 392 def(_fast_iload , "fast_iload" , "bi" , NULL , T_INT , 1, false, _iload); 393 def(_fast_iload2 , "fast_iload2" , "bi_i" , NULL , T_INT , 2, false, _iload); 394 def(_fast_icaload , "fast_icaload" , "bi_" , NULL , T_INT , 0, false, _iload); 395 396 // Faster method invocation. 397 def(_fast_invokevfinal , "fast_invokevfinal" , "bjj" , NULL , T_ILLEGAL, -1, true, _invokevirtual ); 398 399 def(_fast_linearswitch , "fast_linearswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch ); 400 def(_fast_binaryswitch , "fast_binaryswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch ); 401 402 def(_return_register_finalizer , "return_register_finalizer" , "b" , NULL , T_VOID , 0, true, _return); 403 404 def(_shouldnotreachhere , "_shouldnotreachhere" , "b" , NULL , T_VOID , 0, false); 405 406 // platform specific JVM bytecodes 407 pd_initialize(); 408 409 // compare can_trap information for each bytecode with the 410 // can_trap information for the corresponding base bytecode 411 // (if a rewritten bytecode can trap, so must the base bytecode) 412 #ifdef ASSERT 413 { for (int i = 0; i < number_of_codes; i++) { 414 if (is_defined(i)) { 415 Code code = cast(i); 416 Code java = java_code(code); 417 if (can_trap(code) && !can_trap(java)) fatal2("%s can trap => %s can trap, too", name(code), name(java)); 418 } 419 } 420 } 421 #endif 422 423 // initialization successful 424 _is_initialized = true; 425} 426 427 428void bytecodes_init() { 429 Bytecodes::initialize(); 430} 431 432// Restore optimization 433#ifdef _M_AMD64 434#pragma optimize ("", on) 435#endif 436