ports/sysdeps/m68k/asm-syntax.h

   1 /* Definitions for 68k syntax variations.
   2    Copyright (C) 1992, 1994, 1996, 1997, 2012 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.  Its master source is NOT part of
   4    the C library, however.  The master source lives in the GNU MP Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library.  If not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 /* ELF uses byte-counts for .align, most others use log2 of count of bytes.  */
  21 #define ALIGNARG(log2) 1<<log2
  22 /* For ELF we need the `.type' directive to make shared libs work right.  */
  23 #define PROLOG(name) .type name,@function
  24 #define EPILOG(name) .size name,.-name
  25 /* For ELF we need to prefix register names and local labels.  */
  26 #define R_(r) %##r
  27 #define R(r) R_(r)
  28 #define L(label) .##label
  29
  30 #ifdef MIT_SYNTAX
  31 #define MEM(base)R(base)@
  32 #define MEM_DISP(base,displacement)R(base)@(displacement)
  33 #define MEM_INDX(base,idx,size_suffix)R(base)@(R(idx):size_suffix)
  34 #define MEM_INDX1(base,idx,size_suffix,scale)R(base)@(R(idx):size_suffix:scale)
  35 #define MEM_PREDEC(memory_base)R(memory_base)@-
  36 #define MEM_POSTINC(memory_base)R(memory_base)@+
  37 #define TEXT .text
  38 #define ALIGN .even
  39 #define GLOBL .globl
  40 /* Use variable sized opcodes.  */
  41 #define bcc jcc
  42 #define bcs jcs
  43 #define bls jls
  44 #define beq jeq
  45 #define bne jne
  46 #define bra jra
  47 #endif
  48
  49 #ifdef MOTOROLA_SYNTAX
  50 #define MEM(base)(R(base))
  51 #define MEM_DISP(base,displacement)(displacement,R(base))
  52 #define MEM_PREDEC(memory_base)-(R(memory_base))
  53 #define MEM_POSTINC(memory_base)(R(memory_base))+
  54 #define MEM_INDX_(base,idx,size_suffix)(R(base),R(idx##.##size_suffix))
  55 #define MEM_INDX(base,idx,size_suffix)MEM_INDX_(base,idx,size_suffix)
  56 #define MEM_INDX1_(base,idx,size_suffix,scale)(R(base),R(idx##.##size_suffix*scale))
  57 #define MEM_INDX1(base,idx,size_suffix,scale)MEM_INDX1_(base,idx,size_suffix,scale)
  58 #define TEXT .text
  59 #define ALIGN .align ALIGNARG(2)
  60 #define GLOBL .globl
  61 #define bcc jbcc
  62 #define bcs jbcs
  63 #define bls jbls
  64 #define beq jbeq
  65 #define bne jbne
  66 #define bra jbra
  67 #define movel move.l
  68 #define moveml movem.l
  69 #define moveql moveq.l
  70 #define cmpl cmp.l
  71 #define orl or.l
  72 #define clrl clr.l
  73 #define andw and.w
  74 #define eorw eor.w
  75 #define andl and.l
  76 #define lsrl lsr.l
  77 #define lsll lsl.l
  78 #define roxrl roxr.l
  79 #define roxll roxl.l
  80 #define addl add.l
  81 #define addxl addx.l
  82 #define addql addq.l
  83 #define subl sub.l
  84 #define subxl subx.l
  85 #define subqw subq.w
  86 #define subql subq.l
  87 #define negl neg.l
  88 #define mulul mulu.l
  89 #define tstw tst.w
  90 #define tstl tst.l
  91 #endif