include/opcode/mn10300.h

   1 /* mn10300.h -- Header file for Matsushita 10300 opcode table
   2    Copyright 1996 Free Software Foundation, Inc.
   3    Written by Jeff Law, Cygnus Support
   4
   5 This file is part of GDB, GAS, and the GNU binutils.
   6
   7 GDB, GAS, and the GNU binutils are free software; you can redistribute
   8 them and/or modify them under the terms of the GNU General Public
   9 License as published by the Free Software Foundation; either version
  10 1, or (at your option) any later version.
  11
  12 GDB, GAS, and the GNU binutils are distributed in the hope that they
  13 will be useful, but WITHOUT ANY WARRANTY; without even the implied
  14 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  15 the GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this file; see the file COPYING.  If not, write to the Free
  19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef MN10300_H
  22 #define MN10300_H
  23
  24 /* The opcode table is an array of struct mn10300_opcode.  */
  25
  26 struct mn10300_opcode
  27 {
  28   /* The opcode name.  */
  29   const char *name;
  30
  31   /* The opcode itself.  Those bits which will be filled in with
  32      operands are zeroes.  */
  33   unsigned long opcode;
  34
  35   /* The opcode mask.  This is used by the disassembler.  This is a
  36      mask containing ones indicating those bits which must match the
  37      opcode field, and zeroes indicating those bits which need not
  38      match (and are presumably filled in by operands).  */
  39   unsigned long mask;
  40
  41   /* The format of this opcode.  */
  42   unsigned char format;
  43
  44   /* An array of operand codes.  Each code is an index into the
  45      operand table.  They appear in the order which the operands must
  46      appear in assembly code, and are terminated by a zero.  */
  47   unsigned char operands[8];
  48 };
  49
  50 /* The table itself is sorted by major opcode number, and is otherwise
  51    in the order in which the disassembler should consider
  52    instructions.  */
  53 extern const struct mn10300_opcode mn10300_opcodes[];
  54 extern const int mn10300_num_opcodes;
  55
  56 \f
  57 /* The operands table is an array of struct powerpc_operand.  */
  58
  59 struct mn10300_operand
  60 {
  61   /* The number of bits in the operand.  */
  62   int bits;
  63
  64   /* How far the operand is left shifted in the instruction.  */
  65   int shift;
  66
  67   /* One bit syntax flags.  */
  68   int flags;
  69 };
  70
  71 /* Elements in the table are retrieved by indexing with values from
  72    the operands field of the mn10300_opcodes table.  */
  73
  74 extern const struct mn10300_operand mn10300_operands[];
  75
  76 /* Values defined for the flags field of a struct mn10300_operand.  */
  77 #define MN10300_OPERAND_DREG 0x1
  78
  79 #define MN10300_OPERAND_AREG 0x2
  80
  81 #define MN10300_OPERAND_SP 0x4
  82
  83 #define MN10300_OPERAND_PSW 0x8
  84
  85 #define MN10300_OPERAND_MDR 0x10
  86
  87 #define MN10300_OPERAND_SIGNED 0x20
  88
  89 #define MN10300_OPERAND_PROMOTE 0x40
  90
  91 #define MN10300_OPERAND_PAREN 0x80
  92
  93 #define MN10300_OPERAND_REPEATED 0x100
  94
  95 #define MN10300_OPERAND_EXTENDED 0x200
  96
  97 #define MN10300_OPERAND_SPLIT 0x400
  98
  99 #define MN10300_OPERAND_REG_LIST 0x800
 100
 101 /* Opcode Formats.  */
 102 #define FMT_S0 1
 103 #define FMT_S1 2
 104 #define FMT_S2 3
 105 #define FMT_S4 4
 106 #define FMT_S6 5
 107 #define FMT_D0 6
 108 #define FMT_D1 7
 109 #define FMT_D2 8
 110 #define FMT_D4 9
 111 #define FMT_D5 10
 112
 113 #endif /* MN10300_H */