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
36 cat $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