1 /* Definitions for 68k syntax variations.
2 Copyright (C) 1992, 1994, 1996, 1997 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.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 /* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
24 #define ALIGNARG(log2) 1<<log2
25 /* For ELF we need the `.type' directive to make shared libs work right. */
26 #define PROLOG(name) .type name,@function
27 #define EPILOG(name) .size name,.-name
28 /* For ELF we need to prefix register names and local labels. */
32 #define L(label) .##label
35 #define L(label) ./**/label
40 #define ALIGNARG(log2) log2
41 #define PROLOG(name) /* Nothing. */
42 #define EPILOG(name) /* Nothing. */
44 #define L(label) label
49 #define MEM(base)R(base)@
50 #define MEM_DISP(base,displacement)R(base)@(displacement)
51 #define MEM_INDX(base,idx,size_suffix)R(base)@(R(idx):size_suffix)
52 #define MEM_INDX1(base,idx,size_suffix,scale)R(base)@(R(idx):size_suffix:scale)
53 #define MEM_PREDEC(memory_base)R(memory_base)@-
54 #define MEM_POSTINC(memory_base)R(memory_base)@+
58 /* Use variable sized opcodes. */
67 #ifdef MOTOROLA_SYNTAX
68 #define MEM(base)(R(base))
69 #define MEM_DISP(base,displacement)(displacement,R(base))
70 #define MEM_PREDEC(memory_base)-(R(memory_base))
71 #define MEM_POSTINC(memory_base)(R(memory_base))+
73 #define MEM_INDX_(base,idx,size_suffix)(R(base),R(idx##.##size_suffix))
74 #define MEM_INDX(base,idx,size_suffix)MEM_INDX_(base,idx,size_suffix)
75 #define MEM_INDX1_(base,idx,size_suffix,scale)(R(base),R(idx##.##size_suffix*scale))
76 #define MEM_INDX1(base,idx,size_suffix,scale)MEM_INDX1_(base,idx,size_suffix,scale)
78 #define MEM_INDX(base,idx,size_suffix)(R(base),R(idx).size_suffix)
79 #define MEM_INDX1(base,idx,size_suffix,scale)(R(base),R(idx).size_suffix*scale)
82 #define ALIGN .align ALIGNARG(2)
91 #define moveml movem.l
92 #define moveql moveq.l