| 1 | /* Definitions for opcode table for the sparc.
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| 2 | Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000, 2002
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| 3 | Free Software Foundation, Inc.
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| 4 |
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| 5 | This file is part of GAS, the GNU Assembler, GDB, the GNU debugger, and
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| 6 | the GNU Binutils.
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| 7 |
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| 8 | GAS/GDB is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 2, or (at your option)
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| 11 | any later version.
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| 12 |
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| 13 | GAS/GDB is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with GAS or GDB; see the file COPYING. If not, write to
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| 20 | the Free Software Foundation, 59 Temple Place - Suite 330,
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| 21 | Boston, MA 02111-1307, USA. */
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| 22 |
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| 23 | #include "ansidecl.h"
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| 24 |
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| 25 | /* The SPARC opcode table (and other related data) is defined in
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| 26 | the opcodes library in sparc-opc.c. If you change anything here, make
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| 27 | sure you fix up that file, and vice versa. */
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| 28 |
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| 29 | /* FIXME-someday: perhaps the ,a's and such should be embedded in the
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| 30 | instruction's name rather than the args. This would make gas faster, pinsn
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| 31 | slower, but would mess up some macros a bit. xoxorich. */
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| 32 |
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| 33 | /* List of instruction sets variations.
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| 34 | These values are such that each element is either a superset of a
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| 35 | preceding each one or they conflict in which case SPARC_OPCODE_CONFLICT_P
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| 36 | returns non-zero.
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| 37 | The values are indices into `sparc_opcode_archs' defined in sparc-opc.c.
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| 38 | Don't change this without updating sparc-opc.c. */
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| 39 |
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| 40 | enum sparc_opcode_arch_val {
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| 41 | SPARC_OPCODE_ARCH_V6 = 0,
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| 42 | SPARC_OPCODE_ARCH_V7,
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| 43 | SPARC_OPCODE_ARCH_V8,
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| 44 | SPARC_OPCODE_ARCH_SPARCLET,
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| 45 | SPARC_OPCODE_ARCH_SPARCLITE,
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| 46 | /* v9 variants must appear last */
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| 47 | SPARC_OPCODE_ARCH_V9,
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| 48 | SPARC_OPCODE_ARCH_V9A, /* v9 with ultrasparc additions */
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| 49 | SPARC_OPCODE_ARCH_V9B, /* v9 with ultrasparc and cheetah additions */
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| 50 | SPARC_OPCODE_ARCH_BAD /* error return from sparc_opcode_lookup_arch */
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| 51 | };
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| 52 |
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| 53 | /* The highest architecture in the table. */
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| 54 | #define SPARC_OPCODE_ARCH_MAX (SPARC_OPCODE_ARCH_BAD - 1)
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| 55 |
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| 56 | /* Given an enum sparc_opcode_arch_val, return the bitmask to use in
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| 57 | insn encoding/decoding. */
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| 58 | #define SPARC_OPCODE_ARCH_MASK(arch) (1 << (arch))
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| 59 |
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| 60 | /* Given a valid sparc_opcode_arch_val, return non-zero if it's v9. */
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| 61 | #define SPARC_OPCODE_ARCH_V9_P(arch) ((arch) >= SPARC_OPCODE_ARCH_V9)
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| 62 |
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| 63 | /* Table of cpu variants. */
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| 64 |
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| 65 | struct sparc_opcode_arch {
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| 66 | const char *name;
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| 67 | /* Mask of sparc_opcode_arch_val's supported.
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| 68 | EG: For v7 this would be
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| 69 | (SPARC_OPCODE_ARCH_MASK (..._V6) | SPARC_OPCODE_ARCH_MASK (..._V7)).
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| 70 | These are short's because sparc_opcode.architecture is. */
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| 71 | short supported;
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| 72 | };
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| 73 |
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| 74 | extern const struct sparc_opcode_arch sparc_opcode_archs[];
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| 75 |
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| 76 | /* Given architecture name, look up it's sparc_opcode_arch_val value. */
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| 77 | extern enum sparc_opcode_arch_val sparc_opcode_lookup_arch
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| 78 | PARAMS ((const char *));
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| 79 |
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| 80 | /* Return the bitmask of supported architectures for ARCH. */
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| 81 | #define SPARC_OPCODE_SUPPORTED(ARCH) (sparc_opcode_archs[ARCH].supported)
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| 82 |
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| 83 | /* Non-zero if ARCH1 conflicts with ARCH2.
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| 84 | IE: ARCH1 as a supported bit set that ARCH2 doesn't, and vice versa. */
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| 85 | #define SPARC_OPCODE_CONFLICT_P(ARCH1, ARCH2) \
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| 86 | (((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \
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| 87 | != SPARC_OPCODE_SUPPORTED (ARCH1)) \
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| 88 | && ((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \
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| 89 | != SPARC_OPCODE_SUPPORTED (ARCH2)))
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| 90 |
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| 91 | /* Structure of an opcode table entry. */
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| 92 |
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| 93 | struct sparc_opcode {
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| 94 | const char *name;
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| 95 | unsigned long match; /* Bits that must be set. */
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| 96 | unsigned long lose; /* Bits that must not be set. */
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| 97 | const char *args;
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| 98 | /* This was called "delayed" in versions before the flags. */
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| 99 | char flags;
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| 100 | short architecture; /* Bitmask of sparc_opcode_arch_val's. */
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| 101 | };
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| 102 |
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| 103 | #define F_DELAYED 1 /* Delayed branch */
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| 104 | #define F_ALIAS 2 /* Alias for a "real" instruction */
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| 105 | #define F_UNBR 4 /* Unconditional branch */
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| 106 | #define F_CONDBR 8 /* Conditional branch */
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