Thu, 19 Mar 2009 09:13:24 -0700
Merge
duke@435 | 1 | /* |
xdono@905 | 2 | * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // Bytecodes specifies all bytecodes used in the VM and |
duke@435 | 26 | // provides utility functions to get bytecode attributes. |
duke@435 | 27 | |
duke@435 | 28 | // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/interpreter/Bytecodes.java |
duke@435 | 29 | class Bytecodes: AllStatic { |
duke@435 | 30 | public: |
duke@435 | 31 | enum Code { |
duke@435 | 32 | _illegal = -1, |
duke@435 | 33 | |
duke@435 | 34 | // Java bytecodes |
duke@435 | 35 | _nop = 0, // 0x00 |
duke@435 | 36 | _aconst_null = 1, // 0x01 |
duke@435 | 37 | _iconst_m1 = 2, // 0x02 |
duke@435 | 38 | _iconst_0 = 3, // 0x03 |
duke@435 | 39 | _iconst_1 = 4, // 0x04 |
duke@435 | 40 | _iconst_2 = 5, // 0x05 |
duke@435 | 41 | _iconst_3 = 6, // 0x06 |
duke@435 | 42 | _iconst_4 = 7, // 0x07 |
duke@435 | 43 | _iconst_5 = 8, // 0x08 |
duke@435 | 44 | _lconst_0 = 9, // 0x09 |
duke@435 | 45 | _lconst_1 = 10, // 0x0a |
duke@435 | 46 | _fconst_0 = 11, // 0x0b |
duke@435 | 47 | _fconst_1 = 12, // 0x0c |
duke@435 | 48 | _fconst_2 = 13, // 0x0d |
duke@435 | 49 | _dconst_0 = 14, // 0x0e |
duke@435 | 50 | _dconst_1 = 15, // 0x0f |
duke@435 | 51 | _bipush = 16, // 0x10 |
duke@435 | 52 | _sipush = 17, // 0x11 |
duke@435 | 53 | _ldc = 18, // 0x12 |
duke@435 | 54 | _ldc_w = 19, // 0x13 |
duke@435 | 55 | _ldc2_w = 20, // 0x14 |
duke@435 | 56 | _iload = 21, // 0x15 |
duke@435 | 57 | _lload = 22, // 0x16 |
duke@435 | 58 | _fload = 23, // 0x17 |
duke@435 | 59 | _dload = 24, // 0x18 |
duke@435 | 60 | _aload = 25, // 0x19 |
duke@435 | 61 | _iload_0 = 26, // 0x1a |
duke@435 | 62 | _iload_1 = 27, // 0x1b |
duke@435 | 63 | _iload_2 = 28, // 0x1c |
duke@435 | 64 | _iload_3 = 29, // 0x1d |
duke@435 | 65 | _lload_0 = 30, // 0x1e |
duke@435 | 66 | _lload_1 = 31, // 0x1f |
duke@435 | 67 | _lload_2 = 32, // 0x20 |
duke@435 | 68 | _lload_3 = 33, // 0x21 |
duke@435 | 69 | _fload_0 = 34, // 0x22 |
duke@435 | 70 | _fload_1 = 35, // 0x23 |
duke@435 | 71 | _fload_2 = 36, // 0x24 |
duke@435 | 72 | _fload_3 = 37, // 0x25 |
duke@435 | 73 | _dload_0 = 38, // 0x26 |
duke@435 | 74 | _dload_1 = 39, // 0x27 |
duke@435 | 75 | _dload_2 = 40, // 0x28 |
duke@435 | 76 | _dload_3 = 41, // 0x29 |
duke@435 | 77 | _aload_0 = 42, // 0x2a |
duke@435 | 78 | _aload_1 = 43, // 0x2b |
duke@435 | 79 | _aload_2 = 44, // 0x2c |
duke@435 | 80 | _aload_3 = 45, // 0x2d |
duke@435 | 81 | _iaload = 46, // 0x2e |
duke@435 | 82 | _laload = 47, // 0x2f |
duke@435 | 83 | _faload = 48, // 0x30 |
duke@435 | 84 | _daload = 49, // 0x31 |
duke@435 | 85 | _aaload = 50, // 0x32 |
duke@435 | 86 | _baload = 51, // 0x33 |
duke@435 | 87 | _caload = 52, // 0x34 |
duke@435 | 88 | _saload = 53, // 0x35 |
duke@435 | 89 | _istore = 54, // 0x36 |
duke@435 | 90 | _lstore = 55, // 0x37 |
duke@435 | 91 | _fstore = 56, // 0x38 |
duke@435 | 92 | _dstore = 57, // 0x39 |
duke@435 | 93 | _astore = 58, // 0x3a |
duke@435 | 94 | _istore_0 = 59, // 0x3b |
duke@435 | 95 | _istore_1 = 60, // 0x3c |
duke@435 | 96 | _istore_2 = 61, // 0x3d |
duke@435 | 97 | _istore_3 = 62, // 0x3e |
duke@435 | 98 | _lstore_0 = 63, // 0x3f |
duke@435 | 99 | _lstore_1 = 64, // 0x40 |
duke@435 | 100 | _lstore_2 = 65, // 0x41 |
duke@435 | 101 | _lstore_3 = 66, // 0x42 |
duke@435 | 102 | _fstore_0 = 67, // 0x43 |
duke@435 | 103 | _fstore_1 = 68, // 0x44 |
duke@435 | 104 | _fstore_2 = 69, // 0x45 |
duke@435 | 105 | _fstore_3 = 70, // 0x46 |
duke@435 | 106 | _dstore_0 = 71, // 0x47 |
duke@435 | 107 | _dstore_1 = 72, // 0x48 |
duke@435 | 108 | _dstore_2 = 73, // 0x49 |
duke@435 | 109 | _dstore_3 = 74, // 0x4a |
duke@435 | 110 | _astore_0 = 75, // 0x4b |
duke@435 | 111 | _astore_1 = 76, // 0x4c |
duke@435 | 112 | _astore_2 = 77, // 0x4d |
duke@435 | 113 | _astore_3 = 78, // 0x4e |
duke@435 | 114 | _iastore = 79, // 0x4f |
duke@435 | 115 | _lastore = 80, // 0x50 |
duke@435 | 116 | _fastore = 81, // 0x51 |
duke@435 | 117 | _dastore = 82, // 0x52 |
duke@435 | 118 | _aastore = 83, // 0x53 |
duke@435 | 119 | _bastore = 84, // 0x54 |
duke@435 | 120 | _castore = 85, // 0x55 |
duke@435 | 121 | _sastore = 86, // 0x56 |
duke@435 | 122 | _pop = 87, // 0x57 |
duke@435 | 123 | _pop2 = 88, // 0x58 |
duke@435 | 124 | _dup = 89, // 0x59 |
duke@435 | 125 | _dup_x1 = 90, // 0x5a |
duke@435 | 126 | _dup_x2 = 91, // 0x5b |
duke@435 | 127 | _dup2 = 92, // 0x5c |
duke@435 | 128 | _dup2_x1 = 93, // 0x5d |
duke@435 | 129 | _dup2_x2 = 94, // 0x5e |
duke@435 | 130 | _swap = 95, // 0x5f |
duke@435 | 131 | _iadd = 96, // 0x60 |
duke@435 | 132 | _ladd = 97, // 0x61 |
duke@435 | 133 | _fadd = 98, // 0x62 |
duke@435 | 134 | _dadd = 99, // 0x63 |
duke@435 | 135 | _isub = 100, // 0x64 |
duke@435 | 136 | _lsub = 101, // 0x65 |
duke@435 | 137 | _fsub = 102, // 0x66 |
duke@435 | 138 | _dsub = 103, // 0x67 |
duke@435 | 139 | _imul = 104, // 0x68 |
duke@435 | 140 | _lmul = 105, // 0x69 |
duke@435 | 141 | _fmul = 106, // 0x6a |
duke@435 | 142 | _dmul = 107, // 0x6b |
duke@435 | 143 | _idiv = 108, // 0x6c |
duke@435 | 144 | _ldiv = 109, // 0x6d |
duke@435 | 145 | _fdiv = 110, // 0x6e |
duke@435 | 146 | _ddiv = 111, // 0x6f |
duke@435 | 147 | _irem = 112, // 0x70 |
duke@435 | 148 | _lrem = 113, // 0x71 |
duke@435 | 149 | _frem = 114, // 0x72 |
duke@435 | 150 | _drem = 115, // 0x73 |
duke@435 | 151 | _ineg = 116, // 0x74 |
duke@435 | 152 | _lneg = 117, // 0x75 |
duke@435 | 153 | _fneg = 118, // 0x76 |
duke@435 | 154 | _dneg = 119, // 0x77 |
duke@435 | 155 | _ishl = 120, // 0x78 |
duke@435 | 156 | _lshl = 121, // 0x79 |
duke@435 | 157 | _ishr = 122, // 0x7a |
duke@435 | 158 | _lshr = 123, // 0x7b |
duke@435 | 159 | _iushr = 124, // 0x7c |
duke@435 | 160 | _lushr = 125, // 0x7d |
duke@435 | 161 | _iand = 126, // 0x7e |
duke@435 | 162 | _land = 127, // 0x7f |
duke@435 | 163 | _ior = 128, // 0x80 |
duke@435 | 164 | _lor = 129, // 0x81 |
duke@435 | 165 | _ixor = 130, // 0x82 |
duke@435 | 166 | _lxor = 131, // 0x83 |
duke@435 | 167 | _iinc = 132, // 0x84 |
duke@435 | 168 | _i2l = 133, // 0x85 |
duke@435 | 169 | _i2f = 134, // 0x86 |
duke@435 | 170 | _i2d = 135, // 0x87 |
duke@435 | 171 | _l2i = 136, // 0x88 |
duke@435 | 172 | _l2f = 137, // 0x89 |
duke@435 | 173 | _l2d = 138, // 0x8a |
duke@435 | 174 | _f2i = 139, // 0x8b |
duke@435 | 175 | _f2l = 140, // 0x8c |
duke@435 | 176 | _f2d = 141, // 0x8d |
duke@435 | 177 | _d2i = 142, // 0x8e |
duke@435 | 178 | _d2l = 143, // 0x8f |
duke@435 | 179 | _d2f = 144, // 0x90 |
duke@435 | 180 | _i2b = 145, // 0x91 |
duke@435 | 181 | _i2c = 146, // 0x92 |
duke@435 | 182 | _i2s = 147, // 0x93 |
duke@435 | 183 | _lcmp = 148, // 0x94 |
duke@435 | 184 | _fcmpl = 149, // 0x95 |
duke@435 | 185 | _fcmpg = 150, // 0x96 |
duke@435 | 186 | _dcmpl = 151, // 0x97 |
duke@435 | 187 | _dcmpg = 152, // 0x98 |
duke@435 | 188 | _ifeq = 153, // 0x99 |
duke@435 | 189 | _ifne = 154, // 0x9a |
duke@435 | 190 | _iflt = 155, // 0x9b |
duke@435 | 191 | _ifge = 156, // 0x9c |
duke@435 | 192 | _ifgt = 157, // 0x9d |
duke@435 | 193 | _ifle = 158, // 0x9e |
duke@435 | 194 | _if_icmpeq = 159, // 0x9f |
duke@435 | 195 | _if_icmpne = 160, // 0xa0 |
duke@435 | 196 | _if_icmplt = 161, // 0xa1 |
duke@435 | 197 | _if_icmpge = 162, // 0xa2 |
duke@435 | 198 | _if_icmpgt = 163, // 0xa3 |
duke@435 | 199 | _if_icmple = 164, // 0xa4 |
duke@435 | 200 | _if_acmpeq = 165, // 0xa5 |
duke@435 | 201 | _if_acmpne = 166, // 0xa6 |
duke@435 | 202 | _goto = 167, // 0xa7 |
duke@435 | 203 | _jsr = 168, // 0xa8 |
duke@435 | 204 | _ret = 169, // 0xa9 |
duke@435 | 205 | _tableswitch = 170, // 0xaa |
duke@435 | 206 | _lookupswitch = 171, // 0xab |
duke@435 | 207 | _ireturn = 172, // 0xac |
duke@435 | 208 | _lreturn = 173, // 0xad |
duke@435 | 209 | _freturn = 174, // 0xae |
duke@435 | 210 | _dreturn = 175, // 0xaf |
duke@435 | 211 | _areturn = 176, // 0xb0 |
duke@435 | 212 | _return = 177, // 0xb1 |
duke@435 | 213 | _getstatic = 178, // 0xb2 |
duke@435 | 214 | _putstatic = 179, // 0xb3 |
duke@435 | 215 | _getfield = 180, // 0xb4 |
duke@435 | 216 | _putfield = 181, // 0xb5 |
duke@435 | 217 | _invokevirtual = 182, // 0xb6 |
duke@435 | 218 | _invokespecial = 183, // 0xb7 |
duke@435 | 219 | _invokestatic = 184, // 0xb8 |
duke@435 | 220 | _invokeinterface = 185, // 0xb9 |
duke@435 | 221 | _xxxunusedxxx = 186, // 0xba |
duke@435 | 222 | _new = 187, // 0xbb |
duke@435 | 223 | _newarray = 188, // 0xbc |
duke@435 | 224 | _anewarray = 189, // 0xbd |
duke@435 | 225 | _arraylength = 190, // 0xbe |
duke@435 | 226 | _athrow = 191, // 0xbf |
duke@435 | 227 | _checkcast = 192, // 0xc0 |
duke@435 | 228 | _instanceof = 193, // 0xc1 |
duke@435 | 229 | _monitorenter = 194, // 0xc2 |
duke@435 | 230 | _monitorexit = 195, // 0xc3 |
duke@435 | 231 | _wide = 196, // 0xc4 |
duke@435 | 232 | _multianewarray = 197, // 0xc5 |
duke@435 | 233 | _ifnull = 198, // 0xc6 |
duke@435 | 234 | _ifnonnull = 199, // 0xc7 |
duke@435 | 235 | _goto_w = 200, // 0xc8 |
duke@435 | 236 | _jsr_w = 201, // 0xc9 |
duke@435 | 237 | _breakpoint = 202, // 0xca |
duke@435 | 238 | |
duke@435 | 239 | number_of_java_codes, |
duke@435 | 240 | |
duke@435 | 241 | // JVM bytecodes |
duke@435 | 242 | _fast_agetfield = number_of_java_codes, |
duke@435 | 243 | _fast_bgetfield , |
duke@435 | 244 | _fast_cgetfield , |
duke@435 | 245 | _fast_dgetfield , |
duke@435 | 246 | _fast_fgetfield , |
duke@435 | 247 | _fast_igetfield , |
duke@435 | 248 | _fast_lgetfield , |
duke@435 | 249 | _fast_sgetfield , |
duke@435 | 250 | |
duke@435 | 251 | _fast_aputfield , |
duke@435 | 252 | _fast_bputfield , |
duke@435 | 253 | _fast_cputfield , |
duke@435 | 254 | _fast_dputfield , |
duke@435 | 255 | _fast_fputfield , |
duke@435 | 256 | _fast_iputfield , |
duke@435 | 257 | _fast_lputfield , |
duke@435 | 258 | _fast_sputfield , |
duke@435 | 259 | |
duke@435 | 260 | _fast_aload_0 , |
duke@435 | 261 | _fast_iaccess_0 , |
duke@435 | 262 | _fast_aaccess_0 , |
duke@435 | 263 | _fast_faccess_0 , |
duke@435 | 264 | |
duke@435 | 265 | _fast_iload , |
duke@435 | 266 | _fast_iload2 , |
duke@435 | 267 | _fast_icaload , |
duke@435 | 268 | |
duke@435 | 269 | _fast_invokevfinal , |
duke@435 | 270 | _fast_linearswitch , |
duke@435 | 271 | _fast_binaryswitch , |
duke@435 | 272 | |
duke@435 | 273 | _return_register_finalizer , |
duke@435 | 274 | |
duke@435 | 275 | _shouldnotreachhere, // For debugging |
duke@435 | 276 | |
duke@435 | 277 | // Platform specific JVM bytecodes |
duke@435 | 278 | #include "incls/_bytecodes_pd.hpp.incl" |
duke@435 | 279 | |
duke@435 | 280 | number_of_codes |
duke@435 | 281 | }; |
duke@435 | 282 | |
duke@435 | 283 | private: |
duke@435 | 284 | static bool _is_initialized; |
duke@435 | 285 | static const char* _name [number_of_codes]; |
duke@435 | 286 | static const char* _format [number_of_codes]; |
duke@435 | 287 | static const char* _wide_format [number_of_codes]; |
duke@435 | 288 | static BasicType _result_type [number_of_codes]; |
duke@435 | 289 | static s_char _depth [number_of_codes]; |
duke@435 | 290 | static u_char _length [number_of_codes]; |
duke@435 | 291 | static bool _can_trap [number_of_codes]; |
duke@435 | 292 | static Code _java_code [number_of_codes]; |
duke@435 | 293 | static bool _can_rewrite [number_of_codes]; |
duke@435 | 294 | |
duke@435 | 295 | static void def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap); |
duke@435 | 296 | static void def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap, Code java_code); |
duke@435 | 297 | static void pd_initialize(); // platform specific initialization |
duke@435 | 298 | static Code pd_base_code_for(Code code); // platform specific base_code_for implementation |
duke@435 | 299 | |
duke@435 | 300 | public: |
duke@435 | 301 | // Conversion |
duke@435 | 302 | static void check (Code code) { assert(is_defined(code), "illegal code"); } |
duke@435 | 303 | static void wide_check (Code code) { assert(wide_is_defined(code), "illegal code"); } |
duke@435 | 304 | static Code cast (int code) { return (Code)code; } |
duke@435 | 305 | |
duke@435 | 306 | |
duke@435 | 307 | // Fetch a bytecode, hiding breakpoints as necessary: |
duke@435 | 308 | static Code code_at(address bcp, methodOop method = NULL) { |
duke@435 | 309 | Code code = cast(*bcp); return (code != _breakpoint) ? code : non_breakpoint_code_at(bcp, method); |
duke@435 | 310 | } |
duke@435 | 311 | static Code java_code_at(address bcp, methodOop method = NULL) { |
duke@435 | 312 | return java_code(code_at(bcp, method)); |
duke@435 | 313 | } |
duke@435 | 314 | |
duke@435 | 315 | // Fetch a bytecode or a breakpoint: |
duke@435 | 316 | static Code code_or_bp_at(address bcp) { return (Code)cast(*bcp); } |
duke@435 | 317 | |
duke@435 | 318 | static Code code_at(methodOop method, int bci); |
duke@435 | 319 | static bool is_active_breakpoint_at(address bcp) { return (Code)*bcp == _breakpoint; } |
duke@435 | 320 | |
duke@435 | 321 | // find a bytecode, behind a breakpoint if necessary: |
duke@435 | 322 | static Code non_breakpoint_code_at(address bcp, methodOop method = NULL); |
duke@435 | 323 | |
duke@435 | 324 | // Bytecode attributes |
duke@435 | 325 | static bool is_defined (int code) { return 0 <= code && code < number_of_codes && _format[code] != NULL; } |
duke@435 | 326 | static bool wide_is_defined(int code) { return is_defined(code) && _wide_format[code] != NULL; } |
duke@435 | 327 | static const char* name (Code code) { check(code); return _name [code]; } |
duke@435 | 328 | static const char* format (Code code) { check(code); return _format [code]; } |
duke@435 | 329 | static const char* wide_format (Code code) { return _wide_format[code]; } |
duke@435 | 330 | static BasicType result_type (Code code) { check(code); return _result_type [code]; } |
duke@435 | 331 | static int depth (Code code) { check(code); return _depth [code]; } |
duke@435 | 332 | static int length_for (Code code) { return _length[code]; } |
duke@435 | 333 | static bool can_trap (Code code) { check(code); return _can_trap [code]; } |
duke@435 | 334 | static Code java_code (Code code) { check(code); return _java_code [code]; } |
duke@435 | 335 | static bool can_rewrite (Code code) { check(code); return _can_rewrite [code]; } |
duke@435 | 336 | static int wide_length_for(Code code) { |
duke@435 | 337 | if (!is_defined(code)) { |
duke@435 | 338 | return 0; |
duke@435 | 339 | } |
duke@435 | 340 | const char* wf = wide_format(code); |
duke@435 | 341 | return (wf == NULL) ? 0 : (int)strlen(wf); |
duke@435 | 342 | } |
kamg@848 | 343 | // if 'end' is provided, it indicates the end of the code buffer which |
kamg@848 | 344 | // should not be read past when parsing. |
kamg@848 | 345 | static int special_length_at(address bcp, address end = NULL); |
kamg@848 | 346 | static int raw_special_length_at(address bcp, address end = NULL); |
duke@435 | 347 | static int length_at (address bcp) { int l = length_for(code_at(bcp)); return l > 0 ? l : special_length_at(bcp); } |
duke@435 | 348 | static int java_length_at (address bcp) { int l = length_for(java_code_at(bcp)); return l > 0 ? l : special_length_at(bcp); } |
duke@435 | 349 | static bool is_java_code (Code code) { return 0 <= code && code < number_of_java_codes; } |
duke@435 | 350 | |
duke@435 | 351 | static bool is_aload (Code code) { return (code == _aload || code == _aload_0 || code == _aload_1 |
duke@435 | 352 | || code == _aload_2 || code == _aload_3); } |
duke@435 | 353 | static bool is_astore (Code code) { return (code == _astore || code == _astore_0 || code == _astore_1 |
duke@435 | 354 | || code == _astore_2 || code == _astore_3); } |
duke@435 | 355 | |
duke@435 | 356 | static bool is_zero_const (Code code) { return (code == _aconst_null || code == _iconst_0 |
duke@435 | 357 | || code == _fconst_0 || code == _dconst_0); } |
duke@435 | 358 | // Initialization |
duke@435 | 359 | static void initialize (); |
duke@435 | 360 | }; |