1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/interpreter/bytecodes.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,358 @@
1.4 +/*
1.5 + * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +// Bytecodes specifies all bytecodes used in the VM and
1.29 +// provides utility functions to get bytecode attributes.
1.30 +
1.31 +// NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/interpreter/Bytecodes.java
1.32 +class Bytecodes: AllStatic {
1.33 + public:
1.34 + enum Code {
1.35 + _illegal = -1,
1.36 +
1.37 + // Java bytecodes
1.38 + _nop = 0, // 0x00
1.39 + _aconst_null = 1, // 0x01
1.40 + _iconst_m1 = 2, // 0x02
1.41 + _iconst_0 = 3, // 0x03
1.42 + _iconst_1 = 4, // 0x04
1.43 + _iconst_2 = 5, // 0x05
1.44 + _iconst_3 = 6, // 0x06
1.45 + _iconst_4 = 7, // 0x07
1.46 + _iconst_5 = 8, // 0x08
1.47 + _lconst_0 = 9, // 0x09
1.48 + _lconst_1 = 10, // 0x0a
1.49 + _fconst_0 = 11, // 0x0b
1.50 + _fconst_1 = 12, // 0x0c
1.51 + _fconst_2 = 13, // 0x0d
1.52 + _dconst_0 = 14, // 0x0e
1.53 + _dconst_1 = 15, // 0x0f
1.54 + _bipush = 16, // 0x10
1.55 + _sipush = 17, // 0x11
1.56 + _ldc = 18, // 0x12
1.57 + _ldc_w = 19, // 0x13
1.58 + _ldc2_w = 20, // 0x14
1.59 + _iload = 21, // 0x15
1.60 + _lload = 22, // 0x16
1.61 + _fload = 23, // 0x17
1.62 + _dload = 24, // 0x18
1.63 + _aload = 25, // 0x19
1.64 + _iload_0 = 26, // 0x1a
1.65 + _iload_1 = 27, // 0x1b
1.66 + _iload_2 = 28, // 0x1c
1.67 + _iload_3 = 29, // 0x1d
1.68 + _lload_0 = 30, // 0x1e
1.69 + _lload_1 = 31, // 0x1f
1.70 + _lload_2 = 32, // 0x20
1.71 + _lload_3 = 33, // 0x21
1.72 + _fload_0 = 34, // 0x22
1.73 + _fload_1 = 35, // 0x23
1.74 + _fload_2 = 36, // 0x24
1.75 + _fload_3 = 37, // 0x25
1.76 + _dload_0 = 38, // 0x26
1.77 + _dload_1 = 39, // 0x27
1.78 + _dload_2 = 40, // 0x28
1.79 + _dload_3 = 41, // 0x29
1.80 + _aload_0 = 42, // 0x2a
1.81 + _aload_1 = 43, // 0x2b
1.82 + _aload_2 = 44, // 0x2c
1.83 + _aload_3 = 45, // 0x2d
1.84 + _iaload = 46, // 0x2e
1.85 + _laload = 47, // 0x2f
1.86 + _faload = 48, // 0x30
1.87 + _daload = 49, // 0x31
1.88 + _aaload = 50, // 0x32
1.89 + _baload = 51, // 0x33
1.90 + _caload = 52, // 0x34
1.91 + _saload = 53, // 0x35
1.92 + _istore = 54, // 0x36
1.93 + _lstore = 55, // 0x37
1.94 + _fstore = 56, // 0x38
1.95 + _dstore = 57, // 0x39
1.96 + _astore = 58, // 0x3a
1.97 + _istore_0 = 59, // 0x3b
1.98 + _istore_1 = 60, // 0x3c
1.99 + _istore_2 = 61, // 0x3d
1.100 + _istore_3 = 62, // 0x3e
1.101 + _lstore_0 = 63, // 0x3f
1.102 + _lstore_1 = 64, // 0x40
1.103 + _lstore_2 = 65, // 0x41
1.104 + _lstore_3 = 66, // 0x42
1.105 + _fstore_0 = 67, // 0x43
1.106 + _fstore_1 = 68, // 0x44
1.107 + _fstore_2 = 69, // 0x45
1.108 + _fstore_3 = 70, // 0x46
1.109 + _dstore_0 = 71, // 0x47
1.110 + _dstore_1 = 72, // 0x48
1.111 + _dstore_2 = 73, // 0x49
1.112 + _dstore_3 = 74, // 0x4a
1.113 + _astore_0 = 75, // 0x4b
1.114 + _astore_1 = 76, // 0x4c
1.115 + _astore_2 = 77, // 0x4d
1.116 + _astore_3 = 78, // 0x4e
1.117 + _iastore = 79, // 0x4f
1.118 + _lastore = 80, // 0x50
1.119 + _fastore = 81, // 0x51
1.120 + _dastore = 82, // 0x52
1.121 + _aastore = 83, // 0x53
1.122 + _bastore = 84, // 0x54
1.123 + _castore = 85, // 0x55
1.124 + _sastore = 86, // 0x56
1.125 + _pop = 87, // 0x57
1.126 + _pop2 = 88, // 0x58
1.127 + _dup = 89, // 0x59
1.128 + _dup_x1 = 90, // 0x5a
1.129 + _dup_x2 = 91, // 0x5b
1.130 + _dup2 = 92, // 0x5c
1.131 + _dup2_x1 = 93, // 0x5d
1.132 + _dup2_x2 = 94, // 0x5e
1.133 + _swap = 95, // 0x5f
1.134 + _iadd = 96, // 0x60
1.135 + _ladd = 97, // 0x61
1.136 + _fadd = 98, // 0x62
1.137 + _dadd = 99, // 0x63
1.138 + _isub = 100, // 0x64
1.139 + _lsub = 101, // 0x65
1.140 + _fsub = 102, // 0x66
1.141 + _dsub = 103, // 0x67
1.142 + _imul = 104, // 0x68
1.143 + _lmul = 105, // 0x69
1.144 + _fmul = 106, // 0x6a
1.145 + _dmul = 107, // 0x6b
1.146 + _idiv = 108, // 0x6c
1.147 + _ldiv = 109, // 0x6d
1.148 + _fdiv = 110, // 0x6e
1.149 + _ddiv = 111, // 0x6f
1.150 + _irem = 112, // 0x70
1.151 + _lrem = 113, // 0x71
1.152 + _frem = 114, // 0x72
1.153 + _drem = 115, // 0x73
1.154 + _ineg = 116, // 0x74
1.155 + _lneg = 117, // 0x75
1.156 + _fneg = 118, // 0x76
1.157 + _dneg = 119, // 0x77
1.158 + _ishl = 120, // 0x78
1.159 + _lshl = 121, // 0x79
1.160 + _ishr = 122, // 0x7a
1.161 + _lshr = 123, // 0x7b
1.162 + _iushr = 124, // 0x7c
1.163 + _lushr = 125, // 0x7d
1.164 + _iand = 126, // 0x7e
1.165 + _land = 127, // 0x7f
1.166 + _ior = 128, // 0x80
1.167 + _lor = 129, // 0x81
1.168 + _ixor = 130, // 0x82
1.169 + _lxor = 131, // 0x83
1.170 + _iinc = 132, // 0x84
1.171 + _i2l = 133, // 0x85
1.172 + _i2f = 134, // 0x86
1.173 + _i2d = 135, // 0x87
1.174 + _l2i = 136, // 0x88
1.175 + _l2f = 137, // 0x89
1.176 + _l2d = 138, // 0x8a
1.177 + _f2i = 139, // 0x8b
1.178 + _f2l = 140, // 0x8c
1.179 + _f2d = 141, // 0x8d
1.180 + _d2i = 142, // 0x8e
1.181 + _d2l = 143, // 0x8f
1.182 + _d2f = 144, // 0x90
1.183 + _i2b = 145, // 0x91
1.184 + _i2c = 146, // 0x92
1.185 + _i2s = 147, // 0x93
1.186 + _lcmp = 148, // 0x94
1.187 + _fcmpl = 149, // 0x95
1.188 + _fcmpg = 150, // 0x96
1.189 + _dcmpl = 151, // 0x97
1.190 + _dcmpg = 152, // 0x98
1.191 + _ifeq = 153, // 0x99
1.192 + _ifne = 154, // 0x9a
1.193 + _iflt = 155, // 0x9b
1.194 + _ifge = 156, // 0x9c
1.195 + _ifgt = 157, // 0x9d
1.196 + _ifle = 158, // 0x9e
1.197 + _if_icmpeq = 159, // 0x9f
1.198 + _if_icmpne = 160, // 0xa0
1.199 + _if_icmplt = 161, // 0xa1
1.200 + _if_icmpge = 162, // 0xa2
1.201 + _if_icmpgt = 163, // 0xa3
1.202 + _if_icmple = 164, // 0xa4
1.203 + _if_acmpeq = 165, // 0xa5
1.204 + _if_acmpne = 166, // 0xa6
1.205 + _goto = 167, // 0xa7
1.206 + _jsr = 168, // 0xa8
1.207 + _ret = 169, // 0xa9
1.208 + _tableswitch = 170, // 0xaa
1.209 + _lookupswitch = 171, // 0xab
1.210 + _ireturn = 172, // 0xac
1.211 + _lreturn = 173, // 0xad
1.212 + _freturn = 174, // 0xae
1.213 + _dreturn = 175, // 0xaf
1.214 + _areturn = 176, // 0xb0
1.215 + _return = 177, // 0xb1
1.216 + _getstatic = 178, // 0xb2
1.217 + _putstatic = 179, // 0xb3
1.218 + _getfield = 180, // 0xb4
1.219 + _putfield = 181, // 0xb5
1.220 + _invokevirtual = 182, // 0xb6
1.221 + _invokespecial = 183, // 0xb7
1.222 + _invokestatic = 184, // 0xb8
1.223 + _invokeinterface = 185, // 0xb9
1.224 + _xxxunusedxxx = 186, // 0xba
1.225 + _new = 187, // 0xbb
1.226 + _newarray = 188, // 0xbc
1.227 + _anewarray = 189, // 0xbd
1.228 + _arraylength = 190, // 0xbe
1.229 + _athrow = 191, // 0xbf
1.230 + _checkcast = 192, // 0xc0
1.231 + _instanceof = 193, // 0xc1
1.232 + _monitorenter = 194, // 0xc2
1.233 + _monitorexit = 195, // 0xc3
1.234 + _wide = 196, // 0xc4
1.235 + _multianewarray = 197, // 0xc5
1.236 + _ifnull = 198, // 0xc6
1.237 + _ifnonnull = 199, // 0xc7
1.238 + _goto_w = 200, // 0xc8
1.239 + _jsr_w = 201, // 0xc9
1.240 + _breakpoint = 202, // 0xca
1.241 +
1.242 + number_of_java_codes,
1.243 +
1.244 + // JVM bytecodes
1.245 + _fast_agetfield = number_of_java_codes,
1.246 + _fast_bgetfield ,
1.247 + _fast_cgetfield ,
1.248 + _fast_dgetfield ,
1.249 + _fast_fgetfield ,
1.250 + _fast_igetfield ,
1.251 + _fast_lgetfield ,
1.252 + _fast_sgetfield ,
1.253 +
1.254 + _fast_aputfield ,
1.255 + _fast_bputfield ,
1.256 + _fast_cputfield ,
1.257 + _fast_dputfield ,
1.258 + _fast_fputfield ,
1.259 + _fast_iputfield ,
1.260 + _fast_lputfield ,
1.261 + _fast_sputfield ,
1.262 +
1.263 + _fast_aload_0 ,
1.264 + _fast_iaccess_0 ,
1.265 + _fast_aaccess_0 ,
1.266 + _fast_faccess_0 ,
1.267 +
1.268 + _fast_iload ,
1.269 + _fast_iload2 ,
1.270 + _fast_icaload ,
1.271 +
1.272 + _fast_invokevfinal ,
1.273 + _fast_linearswitch ,
1.274 + _fast_binaryswitch ,
1.275 +
1.276 + _return_register_finalizer ,
1.277 +
1.278 + _shouldnotreachhere, // For debugging
1.279 +
1.280 + // Platform specific JVM bytecodes
1.281 + #include "incls/_bytecodes_pd.hpp.incl"
1.282 +
1.283 + number_of_codes
1.284 + };
1.285 +
1.286 + private:
1.287 + static bool _is_initialized;
1.288 + static const char* _name [number_of_codes];
1.289 + static const char* _format [number_of_codes];
1.290 + static const char* _wide_format [number_of_codes];
1.291 + static BasicType _result_type [number_of_codes];
1.292 + static s_char _depth [number_of_codes];
1.293 + static u_char _length [number_of_codes];
1.294 + static bool _can_trap [number_of_codes];
1.295 + static Code _java_code [number_of_codes];
1.296 + static bool _can_rewrite [number_of_codes];
1.297 +
1.298 + static void def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap);
1.299 + 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);
1.300 + static void pd_initialize(); // platform specific initialization
1.301 + static Code pd_base_code_for(Code code); // platform specific base_code_for implementation
1.302 +
1.303 + public:
1.304 + // Conversion
1.305 + static void check (Code code) { assert(is_defined(code), "illegal code"); }
1.306 + static void wide_check (Code code) { assert(wide_is_defined(code), "illegal code"); }
1.307 + static Code cast (int code) { return (Code)code; }
1.308 +
1.309 +
1.310 + // Fetch a bytecode, hiding breakpoints as necessary:
1.311 + static Code code_at(address bcp, methodOop method = NULL) {
1.312 + Code code = cast(*bcp); return (code != _breakpoint) ? code : non_breakpoint_code_at(bcp, method);
1.313 + }
1.314 + static Code java_code_at(address bcp, methodOop method = NULL) {
1.315 + return java_code(code_at(bcp, method));
1.316 + }
1.317 +
1.318 + // Fetch a bytecode or a breakpoint:
1.319 + static Code code_or_bp_at(address bcp) { return (Code)cast(*bcp); }
1.320 +
1.321 + static Code code_at(methodOop method, int bci);
1.322 + static bool is_active_breakpoint_at(address bcp) { return (Code)*bcp == _breakpoint; }
1.323 +
1.324 + // find a bytecode, behind a breakpoint if necessary:
1.325 + static Code non_breakpoint_code_at(address bcp, methodOop method = NULL);
1.326 +
1.327 + // Bytecode attributes
1.328 + static bool is_defined (int code) { return 0 <= code && code < number_of_codes && _format[code] != NULL; }
1.329 + static bool wide_is_defined(int code) { return is_defined(code) && _wide_format[code] != NULL; }
1.330 + static const char* name (Code code) { check(code); return _name [code]; }
1.331 + static const char* format (Code code) { check(code); return _format [code]; }
1.332 + static const char* wide_format (Code code) { return _wide_format[code]; }
1.333 + static BasicType result_type (Code code) { check(code); return _result_type [code]; }
1.334 + static int depth (Code code) { check(code); return _depth [code]; }
1.335 + static int length_for (Code code) { return _length[code]; }
1.336 + static bool can_trap (Code code) { check(code); return _can_trap [code]; }
1.337 + static Code java_code (Code code) { check(code); return _java_code [code]; }
1.338 + static bool can_rewrite (Code code) { check(code); return _can_rewrite [code]; }
1.339 + static int wide_length_for(Code code) {
1.340 + if (!is_defined(code)) {
1.341 + return 0;
1.342 + }
1.343 + const char* wf = wide_format(code);
1.344 + return (wf == NULL) ? 0 : (int)strlen(wf);
1.345 + }
1.346 + static int special_length_at(address bcp);
1.347 + static int raw_special_length_at(address bcp);
1.348 + static int length_at (address bcp) { int l = length_for(code_at(bcp)); return l > 0 ? l : special_length_at(bcp); }
1.349 + static int java_length_at (address bcp) { int l = length_for(java_code_at(bcp)); return l > 0 ? l : special_length_at(bcp); }
1.350 + static bool is_java_code (Code code) { return 0 <= code && code < number_of_java_codes; }
1.351 +
1.352 + static bool is_aload (Code code) { return (code == _aload || code == _aload_0 || code == _aload_1
1.353 + || code == _aload_2 || code == _aload_3); }
1.354 + static bool is_astore (Code code) { return (code == _astore || code == _astore_0 || code == _astore_1
1.355 + || code == _astore_2 || code == _astore_3); }
1.356 +
1.357 + static bool is_zero_const (Code code) { return (code == _aconst_null || code == _iconst_0
1.358 + || code == _fconst_0 || code == _dconst_0); }
1.359 + // Initialization
1.360 + static void initialize ();
1.361 +};
