asm2gas revision 1.4
1#!/bin/sh
2#	$NetBSD: asm2gas,v 1.4 1998/08/15 03:02:40 mycroft Exp $
3
4#
5# Copyright (c) 1994 Charles M. Hannum.  All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15# 3. All advertising materials mentioning features or use of this software
16#    must display the following acknowledgement:
17#	This product includes software developed by Charles M. Hannum.
18# 4. The name of the author may not be used to endorse or promote products
19#    derived from this software without specific prior written permission.
20#
21# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31#
32
33# This ugly script converts assembler code from Motorola's format to a
34# form that gas (MIT syntax) can digest.
35
36cat $1 | sed -e '
37  # format canonicalization
38
39  /[ 	]IDNT[ 	]/{s/^/|/;p;d;}
40  /^\*/{s//|/;p;d;}
41  s/;/|/
42  /[ 	]equ[ 	]/{
43    s/\([A-Za-z_][A-Za-z0-9_]*\)[ 	]*equ[ 	]*/\1,/
44    s/[ 	][ 	]*\(.*\)$/		|\1/
45    s/		||/		|/
46    s/^/	.set	/
47    p;d
48  }
49  s/^\([A-Za-z_][A-Za-z0-9_]*\)[ 	][ 	]*/\1:	/
50  s/^\([A-Za-z_][A-Za-z0-9_]*\)$/\1:/
51  /^[A-Za-z_][A-Za-z0-9_]*:/{
52    h
53    s/:.*$/:/
54    p
55    g
56    s/^.*:[ 	]*/	/
57    /^	$/d
58  }
59  /^[ 	][ 	]*\([.a-zA-Z][.a-zA-Z0-9]*\)/{
60    h
61    s///
62    s/^[ 	][ 	]*//
63    s/[ 	][ 	]*\(.*\)$/		|\1/
64    s/		||/		|/
65    x
66    s/^[ 	][ 	]*//
67    s/[ 	][ 	]*.*$/	/
68    y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
69    s/^/	/
70    G
71    s/\n//
72  }
73' | sed -e '
74  # operator conversion
75
76  s/^	section	7/	.text/
77  s/^	section	8/	.text/
78  s/^	section	15/	.data/
79  /^	include/{s/include[ 	]/.include "/;s/\.h[ 	]*$/.defs"/;p;d;}
80  s/^	xref/|	xref/
81  s/^	end/|	end/
82  s/^	xdef/	.global/
83
84  s/^	dc\.l/	.long/
85  s/^	dc\.w/	.short/
86  s/^	dc\.b/	.byte/
87
88  /^	[aceg-z]/{
89    /^	add[aiqx]*\.[bwl]	/{s/\.//;p;d;}
90    /^	andi*\.[bwl]	/{s/\.//;p;d;}
91    /^	as[lr]\.[bwl]	/{s/\.//;p;d;}
92    /^	clr\.[bwl]	/{s/\.//;p;d;}
93    /^	cmp[i2]*\.[bwl]	/{s/\.//;p;d;}
94    /^	eori*\.[bwl]	/{s/\.//;p;d;}
95    /^	lea\.l	/{s/\..//;p;d;}
96    /^	ls[lr]\.[bwl]	/{s/\.//;p;d;}
97    /^	move[acmqs]*\.[bwl]	/{s/\.//;p;d;}
98    /^	mul[su]\.[wl]	/{s/\.//;p;d;}
99    /^	neg\.[bwl]	/{s/\.//;p;d;}
100    /^	ori*\.[bwl]	/{s/\.//;p;d;}
101    /^	ro[lrx]*\.[bwl]	/{s/\.//;p;d;}
102    /^	sub[aiqx]*\.[bwl]	/{s/\.//;p;d;}
103    /^	swap\.w	/{s/\..//;p;d;}
104    /^	s\([a-tv-z][a-z]*\)\.b	/{s/\..//;p;d;}
105    /^	tst\.[bwl]	/{s/\.//;p;d;}
106    p;d
107  }
108
109  /^	bchg\.[bl]	/{s/\..//;p;d;}
110  /^	bclr\.[bl]	/{s/\..//;p;d;}
111  /^	bset\.[bl]	/{s/\..//;p;d;}
112  /^	btst\.[bl]	/{s/\..//;p;d;}
113  /^	div[sul]*\.[wl]	/{s/\.//;p;d;}
114  /^	fabs\.[sdx]	/{s/\.//;p;d;}
115  /^	fadd\.[sdxbwl]	/{s/\.//;p;d;}
116  /^	fcmp\.[sdxbwl]	/{s/\.//;p;d;}
117  /^	fdiv\.[sdx]	/{s/\.//;p;d;}
118  /^	fmove[mx]*\.[sdxbwl]	/{s/\.//;p;d;}
119  /^	fmul\.[sdx]	/{s/\.//;p;d;}
120  /^	fneg\.[sdx]	/{s/\.//;p;d;}
121  /^	fsqrt\.[sdx]	/{s/\.//;p;d;}
122  /^	fsub\.[sdxbwl]	/{s/\.//;p;d;}
123  /^	ftst\.[sdx]	/{s/\.//;p;d;}
124
125  /^	b[a-eg-z][a-z]*\.b	/{s/\.b/s/;p;d;}
126  /^	b[a-eg-z][a-z]*\.w	/{s/\.w//;p;d;}
127  /^	b[a-eg-z][a-z]*\.l	/{s/\.l/l/;p;d;}
128  /^	db[a-z][a-z]*\.w	/{s/\.w//;p;d;}
129  /^	fb[a-eg-z][a-z]*\.w	/{s/\.w//;p;d;}
130  /^	fb[a-eg-z][a-z]*\.l	/{s/\.l/l/;p;d;}
131' | sed -e '
132  # operand conversion
133
134  s/\([^_a-zA-Z0-9]\)FPIAR\([^_a-zA-Z0-9]\)/\1FPI\2/g
135  s/\([^_a-zA-Z0-9]\)FPIAR\([^_a-zA-Z0-9]\)/\1FPI\2/g
136  s/\([^_a-zA-Z0-9]\)FPIAR$/\1FPI/g
137  s/\([^_a-zA-Z0-9]\)fpiar\([^_a-zA-Z0-9]\)/\1fpi\2/g
138  s/\([^_a-zA-Z0-9]\)fpiar\([^_a-zA-Z0-9]\)/\1fpi\2/g
139  s/\([^_a-zA-Z0-9]\)fpiar$/\1fpi/g
140
141  s/\$/0x/g
142  s/#:/#:0x/g
143
144  s/-(\([sSpPaA][pPcC0-7]\))/\1@-/g
145  s/(\([sSpPaA][pPcC0-7]\))+/\1@+/g
146  s/\([-+A-Za-z0-9_]*\)(\([sSpPaA][pPcC0-7]\)\([),]\)/\2@(\1\3/g
147
148  s/\.\([bBwWlL])\)/:\1/g
149  s/\.\([bBwWlL]\)\*\([0-9][0-9]*)\)/:\1:\2/g
150  s/\*\([0-9][0-9]*\))/:l:\1)/g
151  s/{\([0-9][0-9]*\):\([0-9][0-9]*\)}/{#\1:#\2}/g
152  s/{\([dD][0-7]\):\([0-9][0-9]*\)}/{\1:#\2}/g
153
154  s/@(0*)/@/g
155  s/(,/(/g;s/:)/)/g
156
157  # make up for a gas bug
158  /^	fmovemx	/{
159	s/	\([fF][pP][0-7]\),/	\1-\1,/
160	s/,\([fF][pP][0-7]\)	/,\1-\1	/
161	s/,\([fF][pP][0-7]\)$/,\1-\1/
162  }
163'
164