opcodes/arc-dis.h

   1 /* Disassembler structures definitions for the ARC.
   2    Copyright (C) 1994, 1995, 1997, 1998 Free Software Foundation, Inc.
   3    Contributed by Doug Evans (dje@cygnus.com).
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software Foundation,
  17    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  18
  19 #ifndef ARCDIS_H
  20 #define ARCDIS_H
  21
  22 enum
  23 {
  24   BR_exec_when_no_jump,
  25   BR_exec_always,
  26   BR_exec_when_jump
  27 };
  28
  29 enum Flow
  30 {
  31   noflow,
  32   direct_jump,
  33   direct_call,
  34   indirect_jump,
  35   indirect_call,
  36   invalid_instr
  37 };
  38
  39 enum { no_reg = 99 };
  40 enum { allOperandsSize = 256 };
  41
  42 struct arcDisState
  43 {
  44   void *_this;
  45   int instructionLen;
  46   void (*err)(void*, const char*);
  47   const char *(*coreRegName)(void*, int);
  48   const char *(*auxRegName)(void*, int);
  49   const char *(*condCodeName)(void*, int);
  50   const char *(*instName)(void*, int, int, int*);
  51
  52   unsigned char* instruction;
  53   unsigned index;
  54   const char *comm[6]; /* instr name, cond, NOP, 3 operands  */
  55   int opWidth;
  56   int targets[4];
  57   int addresses[4];
  58   /* Set as a side-effect of calling the disassembler.
  59      Used only by the debugger.  */
  60   enum Flow flow;
  61   int register_for_indirect_jump;
  62   int ea_reg1, ea_reg2, _offset;
  63   int _cond, _opcode;
  64   unsigned long words[2];
  65   char *commentBuffer;
  66   char instrBuffer[40];
  67   char operandBuffer[allOperandsSize];
  68   char _ea_present;
  69   char _mem_load;
  70   char _load_len;
  71   char nullifyMode;
  72   unsigned char commNum;
  73   unsigned char isBranch;
  74   unsigned char tcnt;
  75   unsigned char acnt;
  76 };
  77
  78 #define __TRANSLATION_REQUIRED(state) ((state).acnt != 0)
  79
  80 #endif