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 #ifdef __cplusplus
  26 extern "C" {
  27 #endif
  28
  29 enum ARC_Debugger_OperandType
  30 {
  31     ARC_UNDEFINED,
  32     ARC_LIMM,
  33     ARC_SHIMM,
  34     ARC_REGISTER,
  35     ARCOMPACT_REGISTER /* Valid only for the
  36                           registers allowed in
  37                           16 bit mode.  */
  38 };
  39
  40 enum Flow
  41 {
  42   noflow,
  43   direct_jump,
  44   direct_call,
  45   indirect_jump,
  46   indirect_call,
  47   invalid_instr
  48 };
  49
  50 enum NullifyMode
  51 {
  52   BR_exec_when_no_jump,
  53   BR_exec_always,
  54   BR_exec_when_jump
  55 };
  56
  57 enum { allOperandsSize = 256 };
  58
  59 struct arcDisState
  60 {
  61   void *_this;
  62   int instructionLen;
  63   void (*err)(void*, const char*);
  64   const char *(*coreRegName)(void*, int);
  65   const char *(*auxRegName)(void*, int);
  66   const char *(*condCodeName)(void*, int);
  67   const char *(*instName)(void*, int, int, int*);
  68
  69   unsigned char* instruction;
  70   unsigned index;
  71   const char *comm[6]; /* Instr name, cond, NOP, 3 operands.  */
  72
  73   union
  74   {
  75     unsigned int registerNum;
  76     unsigned int shortimm;
  77     unsigned int longimm;
  78   } source_operand;
  79   enum ARC_Debugger_OperandType sourceType;
  80
  81   int opWidth;
  82   int targets[4];
  83   /* START ARC LOCAL.  */
  84   unsigned int addresses[4];
  85   /* END ARC LOCAL.  */
  86   /* Set as a side-effect of calling the disassembler.
  87      Used only by the debugger.  */
  88   enum Flow flow;
  89   int register_for_indirect_jump;
  90   int ea_reg1, ea_reg2, _offset;
  91   int _cond, _opcode;
  92   unsigned long words[2];
  93   char *commentBuffer;
  94   char instrBuffer[40];
  95   char operandBuffer[allOperandsSize];
  96   char _ea_present;
  97   char _addrWriteBack; /* Address writeback.  */
  98   char _mem_load;
  99   char _load_len;
 100   enum NullifyMode nullifyMode;
 101   unsigned char commNum;
 102   unsigned char isBranch;
 103   unsigned char tcnt;
 104   unsigned char acnt;
 105 };
 106
 107 struct arcDisState
 108 arcAnalyzeInstr (bfd_vma memaddr, struct disassemble_info *);
 109
 110 #ifdef __cplusplus
 111 }
 112 #endif
 113
 114 #endif