Mercurial > hg > truffle
diff src/share/vm/interpreter/bytecodes.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
| author | duke |
|---|---|
| date | Sat, 01 Dec 2007 00:00:00 +0000 |
| parents | |
| children | c7ec737733a6 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/interpreter/bytecodes.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,358 @@ +/* + * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// Bytecodes specifies all bytecodes used in the VM and +// provides utility functions to get bytecode attributes. + +// NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/interpreter/Bytecodes.java +class Bytecodes: AllStatic { + public: + enum Code { + _illegal = -1, + + // Java bytecodes + _nop = 0, // 0x00 + _aconst_null = 1, // 0x01 + _iconst_m1 = 2, // 0x02 + _iconst_0 = 3, // 0x03 + _iconst_1 = 4, // 0x04 + _iconst_2 = 5, // 0x05 + _iconst_3 = 6, // 0x06 + _iconst_4 = 7, // 0x07 + _iconst_5 = 8, // 0x08 + _lconst_0 = 9, // 0x09 + _lconst_1 = 10, // 0x0a + _fconst_0 = 11, // 0x0b + _fconst_1 = 12, // 0x0c + _fconst_2 = 13, // 0x0d + _dconst_0 = 14, // 0x0e + _dconst_1 = 15, // 0x0f + _bipush = 16, // 0x10 + _sipush = 17, // 0x11 + _ldc = 18, // 0x12 + _ldc_w = 19, // 0x13 + _ldc2_w = 20, // 0x14 + _iload = 21, // 0x15 + _lload = 22, // 0x16 + _fload = 23, // 0x17 + _dload = 24, // 0x18 + _aload = 25, // 0x19 + _iload_0 = 26, // 0x1a + _iload_1 = 27, // 0x1b + _iload_2 = 28, // 0x1c + _iload_3 = 29, // 0x1d + _lload_0 = 30, // 0x1e + _lload_1 = 31, // 0x1f + _lload_2 = 32, // 0x20 + _lload_3 = 33, // 0x21 + _fload_0 = 34, // 0x22 + _fload_1 = 35, // 0x23 + _fload_2 = 36, // 0x24 + _fload_3 = 37, // 0x25 + _dload_0 = 38, // 0x26 + _dload_1 = 39, // 0x27 + _dload_2 = 40, // 0x28 + _dload_3 = 41, // 0x29 + _aload_0 = 42, // 0x2a + _aload_1 = 43, // 0x2b + _aload_2 = 44, // 0x2c + _aload_3 = 45, // 0x2d + _iaload = 46, // 0x2e + _laload = 47, // 0x2f + _faload = 48, // 0x30 + _daload = 49, // 0x31 + _aaload = 50, // 0x32 + _baload = 51, // 0x33 + _caload = 52, // 0x34 + _saload = 53, // 0x35 + _istore = 54, // 0x36 + _lstore = 55, // 0x37 + _fstore = 56, // 0x38 + _dstore = 57, // 0x39 + _astore = 58, // 0x3a + _istore_0 = 59, // 0x3b + _istore_1 = 60, // 0x3c + _istore_2 = 61, // 0x3d + _istore_3 = 62, // 0x3e + _lstore_0 = 63, // 0x3f + _lstore_1 = 64, // 0x40 + _lstore_2 = 65, // 0x41 + _lstore_3 = 66, // 0x42 + _fstore_0 = 67, // 0x43 + _fstore_1 = 68, // 0x44 + _fstore_2 = 69, // 0x45 + _fstore_3 = 70, // 0x46 + _dstore_0 = 71, // 0x47 + _dstore_1 = 72, // 0x48 + _dstore_2 = 73, // 0x49 + _dstore_3 = 74, // 0x4a + _astore_0 = 75, // 0x4b + _astore_1 = 76, // 0x4c + _astore_2 = 77, // 0x4d + _astore_3 = 78, // 0x4e + _iastore = 79, // 0x4f + _lastore = 80, // 0x50 + _fastore = 81, // 0x51 + _dastore = 82, // 0x52 + _aastore = 83, // 0x53 + _bastore = 84, // 0x54 + _castore = 85, // 0x55 + _sastore = 86, // 0x56 + _pop = 87, // 0x57 + _pop2 = 88, // 0x58 + _dup = 89, // 0x59 + _dup_x1 = 90, // 0x5a + _dup_x2 = 91, // 0x5b + _dup2 = 92, // 0x5c + _dup2_x1 = 93, // 0x5d + _dup2_x2 = 94, // 0x5e + _swap = 95, // 0x5f + _iadd = 96, // 0x60 + _ladd = 97, // 0x61 + _fadd = 98, // 0x62 + _dadd = 99, // 0x63 + _isub = 100, // 0x64 + _lsub = 101, // 0x65 + _fsub = 102, // 0x66 + _dsub = 103, // 0x67 + _imul = 104, // 0x68 + _lmul = 105, // 0x69 + _fmul = 106, // 0x6a + _dmul = 107, // 0x6b + _idiv = 108, // 0x6c + _ldiv = 109, // 0x6d + _fdiv = 110, // 0x6e + _ddiv = 111, // 0x6f + _irem = 112, // 0x70 + _lrem = 113, // 0x71 + _frem = 114, // 0x72 + _drem = 115, // 0x73 + _ineg = 116, // 0x74 + _lneg = 117, // 0x75 + _fneg = 118, // 0x76 + _dneg = 119, // 0x77 + _ishl = 120, // 0x78 + _lshl = 121, // 0x79 + _ishr = 122, // 0x7a + _lshr = 123, // 0x7b + _iushr = 124, // 0x7c + _lushr = 125, // 0x7d + _iand = 126, // 0x7e + _land = 127, // 0x7f + _ior = 128, // 0x80 + _lor = 129, // 0x81 + _ixor = 130, // 0x82 + _lxor = 131, // 0x83 + _iinc = 132, // 0x84 + _i2l = 133, // 0x85 + _i2f = 134, // 0x86 + _i2d = 135, // 0x87 + _l2i = 136, // 0x88 + _l2f = 137, // 0x89 + _l2d = 138, // 0x8a + _f2i = 139, // 0x8b + _f2l = 140, // 0x8c + _f2d = 141, // 0x8d + _d2i = 142, // 0x8e + _d2l = 143, // 0x8f + _d2f = 144, // 0x90 + _i2b = 145, // 0x91 + _i2c = 146, // 0x92 + _i2s = 147, // 0x93 + _lcmp = 148, // 0x94 + _fcmpl = 149, // 0x95 + _fcmpg = 150, // 0x96 + _dcmpl = 151, // 0x97 + _dcmpg = 152, // 0x98 + _ifeq = 153, // 0x99 + _ifne = 154, // 0x9a + _iflt = 155, // 0x9b + _ifge = 156, // 0x9c + _ifgt = 157, // 0x9d + _ifle = 158, // 0x9e + _if_icmpeq = 159, // 0x9f + _if_icmpne = 160, // 0xa0 + _if_icmplt = 161, // 0xa1 + _if_icmpge = 162, // 0xa2 + _if_icmpgt = 163, // 0xa3 + _if_icmple = 164, // 0xa4 + _if_acmpeq = 165, // 0xa5 + _if_acmpne = 166, // 0xa6 + _goto = 167, // 0xa7 + _jsr = 168, // 0xa8 + _ret = 169, // 0xa9 + _tableswitch = 170, // 0xaa + _lookupswitch = 171, // 0xab + _ireturn = 172, // 0xac + _lreturn = 173, // 0xad + _freturn = 174, // 0xae + _dreturn = 175, // 0xaf + _areturn = 176, // 0xb0 + _return = 177, // 0xb1 + _getstatic = 178, // 0xb2 + _putstatic = 179, // 0xb3 + _getfield = 180, // 0xb4 + _putfield = 181, // 0xb5 + _invokevirtual = 182, // 0xb6 + _invokespecial = 183, // 0xb7 + _invokestatic = 184, // 0xb8 + _invokeinterface = 185, // 0xb9 + _xxxunusedxxx = 186, // 0xba + _new = 187, // 0xbb + _newarray = 188, // 0xbc + _anewarray = 189, // 0xbd + _arraylength = 190, // 0xbe + _athrow = 191, // 0xbf + _checkcast = 192, // 0xc0 + _instanceof = 193, // 0xc1 + _monitorenter = 194, // 0xc2 + _monitorexit = 195, // 0xc3 + _wide = 196, // 0xc4 + _multianewarray = 197, // 0xc5 + _ifnull = 198, // 0xc6 + _ifnonnull = 199, // 0xc7 + _goto_w = 200, // 0xc8 + _jsr_w = 201, // 0xc9 + _breakpoint = 202, // 0xca + + number_of_java_codes, + + // JVM bytecodes + _fast_agetfield = number_of_java_codes, + _fast_bgetfield , + _fast_cgetfield , + _fast_dgetfield , + _fast_fgetfield , + _fast_igetfield , + _fast_lgetfield , + _fast_sgetfield , + + _fast_aputfield , + _fast_bputfield , + _fast_cputfield , + _fast_dputfield , + _fast_fputfield , + _fast_iputfield , + _fast_lputfield , + _fast_sputfield , + + _fast_aload_0 , + _fast_iaccess_0 , + _fast_aaccess_0 , + _fast_faccess_0 , + + _fast_iload , + _fast_iload2 , + _fast_icaload , + + _fast_invokevfinal , + _fast_linearswitch , + _fast_binaryswitch , + + _return_register_finalizer , + + _shouldnotreachhere, // For debugging + + // Platform specific JVM bytecodes + #include "incls/_bytecodes_pd.hpp.incl" + + number_of_codes + }; + + private: + static bool _is_initialized; + static const char* _name [number_of_codes]; + static const char* _format [number_of_codes]; + static const char* _wide_format [number_of_codes]; + static BasicType _result_type [number_of_codes]; + static s_char _depth [number_of_codes]; + static u_char _length [number_of_codes]; + static bool _can_trap [number_of_codes]; + static Code _java_code [number_of_codes]; + static bool _can_rewrite [number_of_codes]; + + static void def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap); + 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); + static void pd_initialize(); // platform specific initialization + static Code pd_base_code_for(Code code); // platform specific base_code_for implementation + + public: + // Conversion + static void check (Code code) { assert(is_defined(code), "illegal code"); } + static void wide_check (Code code) { assert(wide_is_defined(code), "illegal code"); } + static Code cast (int code) { return (Code)code; } + + + // Fetch a bytecode, hiding breakpoints as necessary: + static Code code_at(address bcp, methodOop method = NULL) { + Code code = cast(*bcp); return (code != _breakpoint) ? code : non_breakpoint_code_at(bcp, method); + } + static Code java_code_at(address bcp, methodOop method = NULL) { + return java_code(code_at(bcp, method)); + } + + // Fetch a bytecode or a breakpoint: + static Code code_or_bp_at(address bcp) { return (Code)cast(*bcp); } + + static Code code_at(methodOop method, int bci); + static bool is_active_breakpoint_at(address bcp) { return (Code)*bcp == _breakpoint; } + + // find a bytecode, behind a breakpoint if necessary: + static Code non_breakpoint_code_at(address bcp, methodOop method = NULL); + + // Bytecode attributes + static bool is_defined (int code) { return 0 <= code && code < number_of_codes && _format[code] != NULL; } + static bool wide_is_defined(int code) { return is_defined(code) && _wide_format[code] != NULL; } + static const char* name (Code code) { check(code); return _name [code]; } + static const char* format (Code code) { check(code); return _format [code]; } + static const char* wide_format (Code code) { return _wide_format[code]; } + static BasicType result_type (Code code) { check(code); return _result_type [code]; } + static int depth (Code code) { check(code); return _depth [code]; } + static int length_for (Code code) { return _length[code]; } + static bool can_trap (Code code) { check(code); return _can_trap [code]; } + static Code java_code (Code code) { check(code); return _java_code [code]; } + static bool can_rewrite (Code code) { check(code); return _can_rewrite [code]; } + static int wide_length_for(Code code) { + if (!is_defined(code)) { + return 0; + } + const char* wf = wide_format(code); + return (wf == NULL) ? 0 : (int)strlen(wf); + } + static int special_length_at(address bcp); + static int raw_special_length_at(address bcp); + static int length_at (address bcp) { int l = length_for(code_at(bcp)); return l > 0 ? l : special_length_at(bcp); } + static int java_length_at (address bcp) { int l = length_for(java_code_at(bcp)); return l > 0 ? l : special_length_at(bcp); } + static bool is_java_code (Code code) { return 0 <= code && code < number_of_java_codes; } + + static bool is_aload (Code code) { return (code == _aload || code == _aload_0 || code == _aload_1 + || code == _aload_2 || code == _aload_3); } + static bool is_astore (Code code) { return (code == _astore || code == _astore_0 || code == _astore_1 + || code == _astore_2 || code == _astore_3); } + + static bool is_zero_const (Code code) { return (code == _aconst_null || code == _iconst_0 + || code == _fconst_0 || code == _dconst_0); } + // Initialization + static void initialize (); +};