opcodes/arc-dis.h

   1 /* Disassembler structures definitions for the ARC.
   2    Copyright (C) 1994-2016 Free Software Foundation, Inc.
   3
   4    Contributed by Claudiu Zissulescu (claziss@synopsys.com)
   5
   6    This file is part of libopcodes.
   7
   8    This library is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3, or (at your option)
  11    any later version.
  12
  13    It is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software Foundation,
  20    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  21
  22 #ifndef ARCDIS_H
  23 #define ARCDIS_H
  24
  25 enum ARC_Debugger_OperandType
  26 {
  27     ARC_UNDEFINED,
  28     ARC_LIMM,
  29     ARC_SHIMM,
  30     ARC_REGISTER,
  31     ARCOMPACT_REGISTER /* Valid only for the
  32                           registers allowed in
  33                           16 bit mode.  */
  34 };
  35
  36 enum Flow
  37 {
  38   noflow,
  39   direct_jump,
  40   direct_call,
  41   indirect_jump,
  42   indirect_call,
  43   invalid_instr
  44 };
  45
  46 enum NullifyMode
  47 {
  48   BR_exec_when_no_jump,
  49   BR_exec_always,
  50   BR_exec_when_jump
  51 };
  52
  53 enum { allOperandsSize = 256 };
  54
  55 struct arcDisState
  56 {
  57   void *_this;
  58   int instructionLen;
  59   void (*err)(void*, const char*);
  60   const char *(*coreRegName)(void*, int);
  61   const char *(*auxRegName)(void*, int);
  62   const char *(*condCodeName)(void*, int);
  63   const char *(*instName)(void*, int, int, int*);
  64
  65   unsigned char* instruction;
  66   unsigned index;
  67   const char *comm[6]; /* Instr name, cond, NOP, 3 operands.  */
  68
  69   union
  70   {
  71     unsigned int registerNum;
  72     unsigned int shortimm;
  73     unsigned int longimm;
  74   } source_operand;
  75   enum ARC_Debugger_OperandType sourceType;
  76
  77   int opWidth;
  78   int targets[4];
  79   /* START ARC LOCAL.  */
  80   unsigned int addresses[4];
  81   /* END ARC LOCAL.  */
  82   /* Set as a side-effect of calling the disassembler.
  83      Used only by the debugger.  */
  84   enum Flow flow;
  85   int register_for_indirect_jump;
  86   int ea_reg1, ea_reg2, _offset;
  87   int _cond, _opcode;
  88   unsigned long words[2];
  89   char *commentBuffer;
  90   char instrBuffer[40];
  91   char operandBuffer[allOperandsSize];
  92   char _ea_present;
  93   char _addrWriteBack; /* Address writeback.  */
  94   char _mem_load;
  95   char _load_len;
  96   enum NullifyMode nullifyMode;
  97   unsigned char commNum;
  98   unsigned char isBranch;
  99   unsigned char tcnt;
 100   unsigned char acnt;
 101 };
 102
 103 struct arcDisState
 104 arcAnalyzeInstr (bfd_vma memaddr, struct disassemble_info *);
 105 #endif