asm2gas revision 1.2
1#!/bin/sh
2
3#
4# Copyright (c) 1994 Charles Hannum.  All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14# 3. All advertising materials mentioning features or use of this software
15#    must display the following acknowledgement:
16#	This product includes software developed by Charles Hannum.
17# 4. The name of the author may not be used to endorse or promote products
18#    derived from this software without specific prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30#
31#	$Id: asm2gas,v 1.2 1994/07/07 01:51:18 mycroft Exp $
32#
33
34# This ugly script converts assembler code from Motorola's format to a
35# form that gas (MIT syntax) can digest.
36
37cat $1 | sed -e '
38  # format canonicalization
39
40  /[ 	]IDNT[ 	]/{s/^/|/;p;d;}
41  /^\*/{s//|/;p;d;}
42  s/;/|/
43  /[ 	]equ[ 	]/{
44    s/\([A-Za-z_][A-Za-z0-9_]*\)[ 	]*equ[ 	]*/\1,/
45    s/[ 	][ 	]*\(.*\)$/		|\1/
46    s/		||/		|/
47    s/^/	.set	/
48    p;d
49  }
50  s/^\([A-Za-z_][A-Za-z0-9_]*\)[ 	][ 	]*/\1:	/
51  s/^\([A-Za-z_][A-Za-z0-9_]*\)$/\1:/
52  /^[A-Za-z_][A-Za-z0-9_]*:/{
53    h
54    s/:.*$/:/
55    p
56    g
57    s/^.*:[ 	]*/	/
58    /^	$/d
59  }
60  /^[ 	][ 	]*\([.a-zA-Z][.a-zA-Z0-9]*\)/{
61    h
62    s///
63    s/^[ 	][ 	]*//
64    s/[ 	][ 	]*\(.*\)$/		|\1/
65    s/		||/		|/
66    x
67    s/^[ 	][ 	]*//
68    s/[ 	][ 	]*.*$/	/
69    y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
70    s/^/	/
71    G
72    s/\n//
73  }
74' | sed -e '
75  # operator conversion
76
77  s/^	section	7/	.text/
78  s/^	section	8/	.text/
79  s/^	section	15/	.data/
80  /^	include/{s/include[ 	]/.include "/;s/\.h[ 	]*$/.defs"/;p;d;}
81  s/^	xref/|	xref/
82  s/^	end/|	end/
83  s/^	xdef/	.global/
84
85  s/^	dc\.l/	.long/
86  s/^	dc\.w/	.short/
87  s/^	dc\.b/	.byte/
88
89  /^	[aceg-z]/{
90    /^	add[aiqx]*\.[bwl]	/{s/\.//;p;d;}
91    /^	andi*\.[bwl]	/{s/\.//;p;d;}
92    /^	as[lr]\.[bwl]	/{s/\.//;p;d;}
93    /^	clr\.[bwl]	/{s/\.//;p;d;}
94    /^	cmp[i2]*\.[bwl]	/{s/\.//;p;d;}
95    /^	eori*\.[bwl]	/{s/\.//;p;d;}
96    /^	lea\.l	/{s/\..//;p;d;}
97    /^	ls[lr]\.[bwl]	/{s/\.//;p;d;}
98    /^	move[acmqs]*\.[bwl]	/{s/\.//;p;d;}
99    /^	mul[su]\.[wl]	/{s/\.//;p;d;}
100    /^	neg\.[bwl]	/{s/\.//;p;d;}
101    /^	ori*\.[bwl]	/{s/\.//;p;d;}
102    /^	ro[lrx]*\.[bwl]	/{s/\.//;p;d;}
103    /^	sub[aiqx]*\.[bwl]	/{s/\.//;p;d;}
104    /^	swap\.w	/{s/\..//;p;d;}
105    /^	s\([a-tv-z][a-z]*\)\.b	/{s/\..//;p;d;}
106    /^	tst\.[bwl]	/{s/\.//;p;d;}
107    p;d
108  }
109
110  /^	bchg\.[bl]	/{s/\..//;p;d;}
111  /^	bclr\.[bl]	/{s/\..//;p;d;}
112  /^	bset\.[bl]	/{s/\..//;p;d;}
113  /^	btst\.[bl]	/{s/\..//;p;d;}
114  /^	div[sul]*\.[wl]	/{s/\.//;p;d;}
115  /^	fabs\.[sdx]	/{s/\.//;p;d;}
116  /^	fadd\.[sdxbwl]	/{s/\.//;p;d;}
117  /^	fcmp\.[sdxbwl]	/{s/\.//;p;d;}
118  /^	fdiv\.[sdx]	/{s/\.//;p;d;}
119  /^	fmove[mx]*\.[sdxbwl]	/{s/\.//;p;d;}
120  /^	fmul\.[sdx]	/{s/\.//;p;d;}
121  /^	fneg\.[sdx]	/{s/\.//;p;d;}
122  /^	fsqrt\.[sdx]	/{s/\.//;p;d;}
123  /^	fsub\.[sdxbwl]	/{s/\.//;p;d;}
124  /^	ftst\.[sdx]	/{s/\.//;p;d;}
125
126  /^	b[a-eg-z][a-z]*\.b	/{s/\.b/s/;p;d;}
127  /^	b[a-eg-z][a-z]*\.w	/{s/\.w//;p;d;}
128  /^	b[a-eg-z][a-z]*\.l	/{s/\.l/l/;p;d;}
129  /^	db[a-z][a-z]*\.w	/{s/\.w//;p;d;}
130  /^	fb[a-eg-z][a-z]*\.w	/{s/\.w//;p;d;}
131  /^	fb[a-eg-z][a-z]*\.l	/{s/\.l/l/;p;d;}
132' | sed -e '
133  # operand conversion
134
135  s/\([^_a-zA-Z0-9]\)FPIAR\([^_a-zA-Z0-9]\)/\1FPI\2/g
136  s/\([^_a-zA-Z0-9]\)FPIAR\([^_a-zA-Z0-9]\)/\1FPI\2/g
137  s/\([^_a-zA-Z0-9]\)FPIAR$/\1FPI/g
138  s/\([^_a-zA-Z0-9]\)fpiar\([^_a-zA-Z0-9]\)/\1fpi\2/g
139  s/\([^_a-zA-Z0-9]\)fpiar\([^_a-zA-Z0-9]\)/\1fpi\2/g
140  s/\([^_a-zA-Z0-9]\)fpiar$/\1fpi/g
141
142  s/\$/0x/g
143  s/#:/#:0x/g
144
145  s/-(\([sSpPaA][pPcC0-7]\))/\1@-/g
146  s/(\([sSpPaA][pPcC0-7]\))+/\1@+/g
147  s/\([-+A-Za-z0-9_]*\)(\([sSpPaA][pPcC0-7]\)\([),]\)/\2@(\1\3/g
148
149  s/\.\([bBwWlL])\)/:\1/g
150  s/\.\([bBwWlL]\)\*\([0-9][0-9]*)\)/:\1:\2/g
151  s/\*\([0-9][0-9]*\))/:l:\1)/g
152  s/{\([0-9][0-9]*\):\([0-9][0-9]*\)}/{#\1:#\2}/g
153  s/{\([dD][0-7]\):\([0-9][0-9]*\)}/{\1:#\2}/g
154
155  s/@(0*)/@/g
156  s/(,/(/g;s/:)/)/g
157
158  # make up for a gas bug
159  /^	fmovemx	/{
160	s/	\([fF][pP][0-7]\),/	\1-\1,/
161	s/,\([fF][pP][0-7]\)	/,\1-\1	/
162	s/,\([fF][pP][0-7]\)$/,\1-\1/
163  }
164'
165