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92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/* Definitions for 68k syntax variations.
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Copyright (C) 1992, 1994, 1996, 1997, 2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library. Its master source is NOT part of
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the C library, however. The master source lives in the GNU MP Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
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#define ALIGNARG(log2) 1<<log2
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/* For ELF we need the `.type' directive to make shared libs work right. */
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#define PROLOG(name) .type name,@function
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#define EPILOG(name) .size name,.-name
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/* For ELF we need to prefix register names and local labels. */
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#define R_(r) %##r
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#define R(r) R_(r)
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#define L(label) .##label
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#ifdef MIT_SYNTAX
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#define MEM(base)R(base)@
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#define MEM_DISP(base,displacement)R(base)@(displacement)
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#define MEM_INDX(base,idx,size_suffix)R(base)@(R(idx):size_suffix)
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#define MEM_INDX1(base,idx,size_suffix,scale)R(base)@(R(idx):size_suffix:scale)
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#define MEM_PREDEC(memory_base)R(memory_base)@-
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#define MEM_POSTINC(memory_base)R(memory_base)@+
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#define TEXT .text
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#define ALIGN .even
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#define GLOBL .globl
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/* Use variable sized opcodes. */
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#define bcc jcc
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#define bcs jcs
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#define bls jls
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#define beq jeq
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#define bne jne
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#define bra jra
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#endif
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#ifdef MOTOROLA_SYNTAX
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#define MEM(base)(R(base))
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#define MEM_DISP(base,displacement)(displacement,R(base))
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#define MEM_PREDEC(memory_base)-(R(memory_base))
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#define MEM_POSTINC(memory_base)(R(memory_base))+
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#define MEM_INDX_(base,idx,size_suffix)(R(base),R(idx##.##size_suffix))
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#define MEM_INDX(base,idx,size_suffix)MEM_INDX_(base,idx,size_suffix)
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#define MEM_INDX1_(base,idx,size_suffix,scale)(R(base),R(idx##.##size_suffix*scale))
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#define MEM_INDX1(base,idx,size_suffix,scale)MEM_INDX1_(base,idx,size_suffix,scale)
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#define TEXT .text
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#define ALIGN .align ALIGNARG(2)
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#define GLOBL .globl
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#define bcc jbcc
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#define bcs jbcs
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#define bls jbls
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#define beq jbeq
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#define bne jbne
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#define bra jbra
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#define movel move.l
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#define moveml movem.l
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#define moveql moveq.l
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#define cmpl cmp.l
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#define orl or.l
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#define clrl clr.l
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#define andw and.w
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#define eorw eor.w
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#define andl and.l
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#define lsrl lsr.l
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#define lsll lsl.l
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#define roxrl roxr.l
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#define roxll roxl.l
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#define addl add.l
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#define addxl addx.l
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#define addql addq.l
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#define subl sub.l
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#define subxl subx.l
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#define subqw subq.w
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#define subql subq.l
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#define negl neg.l
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#define mulul mulu.l
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#define tstw tst.w
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#define tstl tst.l
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#endif
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