| 1 | /* Disassembler structures definitions for the ARC. |
| 2 | Copyright (C) 1994-2015 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 |