asm2gas revision 1.6 1 #!/bin/sh
2 # $NetBSD: asm2gas,v 1.6 1998/08/15 03:51:31 mycroft Exp $
3
4 #
5 # Copyright (c) 1998 The NetBSD Foundation, Inc.
6 # All rights reserved.
7 #
8 # This code is derived from software contributed to The NetBSD Foundation
9 # by Charles M. Hannum.
10 #
11 # Redistribution and use in source and binary forms, with or without
12 # modification, are permitted provided that the following conditions
13 # are met:
14 # 1. Redistributions of source code must retain the above copyright
15 # notice, this list of conditions and the following disclaimer.
16 # 2. Redistributions in binary form must reproduce the above copyright
17 # notice, this list of conditions and the following disclaimer in the
18 # documentation and/or other materials provided with the distribution.
19 # 3. All advertising materials mentioning features or use of this software
20 # must display the following acknowledgement:
21 # This product includes software developed by the NetBSD
22 # Foundation, Inc. and its contributors.
23 # 4. Neither the name of The NetBSD Foundation nor the names of its
24 # contributors may be used to endorse or promote products derived
25 # from this software without specific prior written permission.
26 #
27 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 # POSSIBILITY OF SUCH DAMAGE.
38 #
39
40 # This ugly script converts assembler code from Motorola's format to a
41 # form that gas (MIT syntax) can digest.
42
43 cat $1 | sed -e '
44 # format canonicalization
45
46 s/^#/|#/
47 /[ ]IDNT[ ]/{s/^/|/;p;d;}
48 /^\*/{s//|/;p;d;}
49 s/;/|/
50 /[ ]equ[ ]/{
51 s/\([A-Za-z_][A-Za-z0-9_]*\)[ ]*equ[ ]*/\1,/
52 s/[ ][ ]*\(.*\)$/ |\1/
53 s/ ||/ |/
54 s/^/ .set /
55 p;d
56 }
57 s/^\([A-Za-z_][A-Za-z0-9_]*\)[ ][ ]*/\1: /
58 s/^\([A-Za-z_][A-Za-z0-9_]*\)$/\1:/
59 /^[A-Za-z_][A-Za-z0-9_]*:/{
60 h
61 s/:.*$/:/
62 p
63 g
64 s/^.*:[ ]*/ /
65 /^ $/d
66 }
67 /^[ ][ ]*\([.a-zA-Z][.a-zA-Z0-9]*\)/{
68 h
69 s///
70 s/^[ ][ ]*//
71 s/[ ][ ]*\(.*\)$/ |\1/
72 s/ ||/ |/
73 x
74 s/^[ ][ ]*//
75 s/[ ][ ]*.*$/ /
76 y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
77 s/^/ /
78 G
79 s/\n//
80 }
81 ' | sed -e '
82 # operator conversion
83
84 s/^ section 7/ .text/
85 s/^ section 8/ .text/
86 s/^ section 15/ .data/
87 /^ include/{s/include[ ]/.include "/;s/\.h[ ]*$/.defs"/;p;d;}
88 s/^ xref/| xref/
89 s/^ end/| end/
90 s/^ xdef/ .global/
91
92 s/^ dc\.l/ .long/
93 s/^ dc\.w/ .short/
94 s/^ dc\.b/ .byte/
95
96 /^ [aceg-z]/{
97 /^ add[aiqx]*\.[bwl] /{s/\.//;p;d;}
98 /^ andi*\.[bwl] /{s/\.//;p;d;}
99 /^ as[lr]\.[bwl] /{s/\.//;p;d;}
100 /^ clr\.[bwl] /{s/\.//;p;d;}
101 /^ cmp[i2]*\.[bwl] /{s/\.//;p;d;}
102 /^ eori*\.[bwl] /{s/\.//;p;d;}
103 /^ lea\.l /{s/\..//;p;d;}
104 /^ ls[lr]\.[bwl] /{s/\.//;p;d;}
105 /^ move[acmqs]*\.[bwl] /{s/\.//;p;d;}
106 /^ mul[su]\.[wl] /{s/\.//;p;d;}
107 /^ neg\.[bwl] /{s/\.//;p;d;}
108 /^ ori*\.[bwl] /{s/\.//;p;d;}
109 /^ ro[lrx]*\.[bwl] /{s/\.//;p;d;}
110 /^ sub[aiqx]*\.[bwl] /{s/\.//;p;d;}
111 /^ swap\.w /{s/\..//;p;d;}
112 /^ s\([a-tv-z][a-z]*\)\.b /{s/\..//;p;d;}
113 /^ tst\.[bwl] /{s/\.//;p;d;}
114 p;d
115 }
116
117 /^ bchg\.[bl] /{s/\..//;p;d;}
118 /^ bclr\.[bl] /{s/\..//;p;d;}
119 /^ bset\.[bl] /{s/\..//;p;d;}
120 /^ btst\.[bl] /{s/\..//;p;d;}
121 /^ div[sul]*\.[wl] /{s/\.//;p;d;}
122 /^ fabs\.[sdx] /{s/\.//;p;d;}
123 /^ fadd\.[sdxbwl] /{s/\.//;p;d;}
124 /^ fcmp\.[sdxbwl] /{s/\.//;p;d;}
125 /^ fdiv\.[sdx] /{s/\.//;p;d;}
126 /^ fmove[mx]*\.[sdxbwl] /{s/\.//;p;d;}
127 /^ fmul\.[sdx] /{s/\.//;p;d;}
128 /^ fneg\.[sdx] /{s/\.//;p;d;}
129 /^ fsqrt\.[sdx] /{s/\.//;p;d;}
130 /^ fsub\.[sdxbwl] /{s/\.//;p;d;}
131 /^ ftst\.[sdx] /{s/\.//;p;d;}
132
133 /^ b[a-eg-z][a-z]*\.b /{s/\.b/s/;p;d;}
134 /^ b[a-eg-z][a-z]*\.w /{s/\.w//;p;d;}
135 /^ b[a-eg-z][a-z]*\.l /{s/\.l/l/;p;d;}
136 /^ db[a-z][a-z]*\.w /{s/\.w//;p;d;}
137 /^ fb[a-eg-z][a-z]*\.w /{s/\.w//;p;d;}
138 /^ fb[a-eg-z][a-z]*\.l /{s/\.l/l/;p;d;}
139 ' | sed -e '
140 # operand conversion
141
142 s/\([^_a-zA-Z0-9]\)FPIAR\([^_a-zA-Z0-9]\)/\1FPI\2/g
143 s/\([^_a-zA-Z0-9]\)FPIAR\([^_a-zA-Z0-9]\)/\1FPI\2/g
144 s/\([^_a-zA-Z0-9]\)FPIAR$/\1FPI/g
145 s/\([^_a-zA-Z0-9]\)fpiar\([^_a-zA-Z0-9]\)/\1fpi\2/g
146 s/\([^_a-zA-Z0-9]\)fpiar\([^_a-zA-Z0-9]\)/\1fpi\2/g
147 s/\([^_a-zA-Z0-9]\)fpiar$/\1fpi/g
148
149 s/\$\([0-9a-fA-F]\)/0x\1/g
150 s/#:/#:0x/g
151
152 s/-(\([sSpPaA][pPcC0-7]\))/\1@-/g
153 s/(\([sSpPaA][pPcC0-7]\))+/\1@+/g
154 s/\([-+A-Za-z0-9_]*\)(\([sSpPaA][pPcC0-7]\)\([),]\)/\2@(\1\3/g
155
156 s/\.\([bBwWlL])\)/:\1/g
157 s/\.\([bBwWlL]\)\*\([0-9][0-9]*)\)/:\1:\2/g
158 s/\*\([0-9][0-9]*\))/:l:\1)/g
159 s/{\([0-9][0-9]*\):\([0-9][0-9]*\)}/{#\1:#\2}/g
160 s/{\([dD][0-7]\):\([0-9][0-9]*\)}/{\1:#\2}/g
161
162 s/@(0*)/@/g
163 s/(,/(/g;s/:)/)/g
164
165 # make up for a gas bug
166 /^ fmovemx /{
167 s/ \([fF][pP][0-7]\),/ \1-\1,/
168 s/,\([fF][pP][0-7]\) /,\1-\1 /
169 s/,\([fF][pP][0-7]\)$/,\1-\1/
170 }
171 '
172