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3b4343ec47
2008-02-13 Paolo Bonzini <bonzini@gnu.org> * lightning/i386/asm-32.h: Avoid redefinition of _r1, reported by Sam Steingold. * lightning/i386/asm-64.h: Likewise.
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/******************************** -*- C -*- ****************************
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*
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* Run-time assembler for the i386
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*
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***********************************************************************/
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/***********************************************************************
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*
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* Copyright 2003 Gwenole Beauchesne
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* Copyright 2006 Free Software Foundation, Inc.
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*
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* This file is part of GNU lightning.
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*
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* GNU lightning is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU lightning is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with GNU lightning; see the file COPYING.LESSER; if not, write to the
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* Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*
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***********************************************************************/
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#ifndef __lightning_asm_h
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#define __lightning_asm_h
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#ifndef LIGHTNING_DEBUG
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/* OPCODE + i = immediate operand
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* + r = register operand
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* + m = memory operand (disp,base,index,scale)
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* + sr/sm = a star preceding a register or memory
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*/
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#include "asm-i386.h"
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#if defined(_ASM_SAFETY)
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#define _r1(R) ( ((R) & ~3) == _AL || ((R) & ~3) == _AH ? _rN(R) : JITFAIL( "8-bit register required"))
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#endif
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#define _rA(R) _r4(R)
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/* Use RIP-addressing in 64-bit mode, if possible */
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#define _r_X( R, D,B,I,S,O) (_r0P(I) ? (_r0P(B) ? _r_D (R,D ) : \
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(_rsp12P(B) ? _r_DBIS(R,D,_ESP,_ESP,1) : \
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_r_DB (R,D, B ))) : \
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(_r0P(B) ? _r_4IS (R,D, I,S) : \
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(!_rspP(I) ? _r_DBIS(R,D, B, I,S) : \
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JITFAIL("illegal index register: %esp"))))
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#define _m32only(X) (X)
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#define _m64only(X) JITFAIL("invalid instruction in 32-bit mode")
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#define _m64(X) ((void)0)
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#define _AH 0x24
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#define _CH 0x25
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#define _DH 0x26
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#define _BH 0x27
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#define CALLsr(R) CALLLsr(R)
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#define JMPsr(R) JMPLsr(R)
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#define DECWr(RD) (_d16(), _Or (0x48,_r2(RD) ))
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#define DECLr(RD) _Or (0x48,_r4(RD) )
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#define INCWr(RD) (_d16(), _Or (0x40,_r2(RD) ))
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#define INCLr(RD) _Or (0x40,_r4(RD) )
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#endif
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#endif /* __lightning_asm_h */
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