--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/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 ();
+};