1*3d8817e4Smiod /* Disassembler structures definitions for the ARC.
2*3d8817e4Smiod    Copyright 1994, 1995, 1997, 1998, 2000, 2001
3*3d8817e4Smiod    Free Software Foundation, Inc.
4*3d8817e4Smiod    Contributed by Doug Evans (dje@cygnus.com).
5*3d8817e4Smiod 
6*3d8817e4Smiod    This program is free software; you can redistribute it and/or modify
7*3d8817e4Smiod    it under the terms of the GNU General Public License as published by
8*3d8817e4Smiod    the Free Software Foundation; either version 2 of the License, or
9*3d8817e4Smiod    (at your option) any later version.
10*3d8817e4Smiod 
11*3d8817e4Smiod    This program is distributed in the hope that it will be useful,
12*3d8817e4Smiod    but WITHOUT ANY WARRANTY; without even the implied warranty of
13*3d8817e4Smiod    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*3d8817e4Smiod    GNU General Public License for more details.
15*3d8817e4Smiod 
16*3d8817e4Smiod    You should have received a copy of the GNU General Public License
17*3d8817e4Smiod    along with this program; if not, write to the Free Software Foundation,
18*3d8817e4Smiod    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
19*3d8817e4Smiod 
20*3d8817e4Smiod #ifndef ARCDIS_H
21*3d8817e4Smiod #define ARCDIS_H
22*3d8817e4Smiod 
23*3d8817e4Smiod enum
24*3d8817e4Smiod {
25*3d8817e4Smiod   BR_exec_when_no_jump,
26*3d8817e4Smiod   BR_exec_always,
27*3d8817e4Smiod   BR_exec_when_jump
28*3d8817e4Smiod };
29*3d8817e4Smiod 
30*3d8817e4Smiod enum Flow
31*3d8817e4Smiod {
32*3d8817e4Smiod   noflow,
33*3d8817e4Smiod   direct_jump,
34*3d8817e4Smiod   direct_call,
35*3d8817e4Smiod   indirect_jump,
36*3d8817e4Smiod   indirect_call,
37*3d8817e4Smiod   invalid_instr
38*3d8817e4Smiod };
39*3d8817e4Smiod 
40*3d8817e4Smiod enum { no_reg = 99 };
41*3d8817e4Smiod enum { allOperandsSize = 256 };
42*3d8817e4Smiod 
43*3d8817e4Smiod struct arcDisState
44*3d8817e4Smiod {
45*3d8817e4Smiod   void *_this;
46*3d8817e4Smiod   int instructionLen;
47*3d8817e4Smiod   void (*err)(void*, const char*);
48*3d8817e4Smiod   const char *(*coreRegName)(void*, int);
49*3d8817e4Smiod   const char *(*auxRegName)(void*, int);
50*3d8817e4Smiod   const char *(*condCodeName)(void*, int);
51*3d8817e4Smiod   const char *(*instName)(void*, int, int, int*);
52*3d8817e4Smiod 
53*3d8817e4Smiod   unsigned char* instruction;
54*3d8817e4Smiod   unsigned index;
55*3d8817e4Smiod   const char *comm[6]; /* instr name, cond, NOP, 3 operands  */
56*3d8817e4Smiod   int opWidth;
57*3d8817e4Smiod   int targets[4];
58*3d8817e4Smiod   int addresses[4];
59*3d8817e4Smiod   /* Set as a side-effect of calling the disassembler.
60*3d8817e4Smiod      Used only by the debugger.  */
61*3d8817e4Smiod   enum Flow flow;
62*3d8817e4Smiod   int register_for_indirect_jump;
63*3d8817e4Smiod   int ea_reg1, ea_reg2, _offset;
64*3d8817e4Smiod   int _cond, _opcode;
65*3d8817e4Smiod   unsigned long words[2];
66*3d8817e4Smiod   char *commentBuffer;
67*3d8817e4Smiod   char instrBuffer[40];
68*3d8817e4Smiod   char operandBuffer[allOperandsSize];
69*3d8817e4Smiod   char _ea_present;
70*3d8817e4Smiod   char _mem_load;
71*3d8817e4Smiod   char _load_len;
72*3d8817e4Smiod   char nullifyMode;
73*3d8817e4Smiod   unsigned char commNum;
74*3d8817e4Smiod   unsigned char isBranch;
75*3d8817e4Smiod   unsigned char tcnt;
76*3d8817e4Smiod   unsigned char acnt;
77*3d8817e4Smiod };
78*3d8817e4Smiod 
79*3d8817e4Smiod #define __TRANSLATION_REQUIRED(state) ((state).acnt != 0)
80*3d8817e4Smiod 
81*3d8817e4Smiod #endif
82