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113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
/* Disassembler structures definitions for the ARC.
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Copyright 1994, 1995, 1997, 1998, 2000, 2001, 2009
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Free Software Foundation, Inc.
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Contributed by Doug Evans (dje@cygnus.com).
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Copyright 2008-2012 Synopsys Inc.
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This file is part of libopcodes.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef ARC_DIS_H
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#define ARC_DIS_H
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enum NullifyMode
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{
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BR_exec_when_no_jump,
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BR_exec_always,
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BR_exec_when_jump
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};
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enum ARC_Debugger_OperandType
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{
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ARC_UNDEFINED,
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ARC_LIMM,
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ARC_SHIMM,
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ARC_REGISTER,
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ARCOMPACT_REGISTER /* Valid only for the
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registers allowed in
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16 bit mode */
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};
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enum Flow
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{
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noflow,
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direct_jump,
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direct_call,
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indirect_jump,
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indirect_call,
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invalid_instr
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};
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enum { no_reg = 99 };
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enum { allOperandsSize = 256 };
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struct arcDisState
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{
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void *_this;
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int instructionLen;
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void (*err)(void*, const char*);
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const char *(*coreRegName)(void*, int);
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const char *(*auxRegName)(void*, int);
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const char *(*condCodeName)(void*, int);
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const char *(*instName)(void*, int, int, int*);
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unsigned char* instruction;
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unsigned index;
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const char *comm[6]; /* instr name, cond, NOP, 3 operands */
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union {
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unsigned int registerNum;
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unsigned int shortimm;
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unsigned int longimm;
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} source_operand;
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enum ARC_Debugger_OperandType sourceType;
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int opWidth;
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int targets[4];
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/* START ARC LOCAL */
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unsigned int addresses[4];
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/* END ARC LOCAL */
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/* Set as a side-effect of calling the disassembler.
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Used only by the debugger. */
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enum Flow flow;
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int register_for_indirect_jump;
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int ea_reg1, ea_reg2, _offset;
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int _cond, _opcode;
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unsigned long words[2];
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char *commentBuffer;
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char instrBuffer[40];
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char operandBuffer[allOperandsSize];
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char _ea_present;
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char _addrWriteBack; /* Address writeback */
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char _mem_load;
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char _load_len;
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enum NullifyMode nullifyMode;
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unsigned char commNum;
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unsigned char isBranch;
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unsigned char tcnt;
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unsigned char acnt;
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};
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#if 0
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int ARCTangent_decodeInstr(bfd_vma address, disassemble_info* info);
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#endif
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int ARCompact_decodeInstr (bfd_vma address, disassemble_info* info);
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#define __TRANSLATION_REQUIRED(state) ((state).acnt != 0)
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#endif /* ARC_DIS_H */
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