asm2gas revision 1.9 1 1.1 mycroft #!/bin/sh
2 1.9 apb # $NetBSD: asm2gas,v 1.9 2008/03/28 22:27:33 apb Exp $
3 1.1 mycroft
4 1.1 mycroft #
5 1.9 apb # Copyright (c) 1998,2008 The NetBSD Foundation, Inc.
6 1.5 mycroft # All rights reserved.
7 1.5 mycroft #
8 1.5 mycroft # This code is derived from software contributed to The NetBSD Foundation
9 1.5 mycroft # by Charles M. Hannum.
10 1.1 mycroft #
11 1.1 mycroft # Redistribution and use in source and binary forms, with or without
12 1.1 mycroft # modification, are permitted provided that the following conditions
13 1.1 mycroft # are met:
14 1.1 mycroft # 1. Redistributions of source code must retain the above copyright
15 1.1 mycroft # notice, this list of conditions and the following disclaimer.
16 1.1 mycroft # 2. Redistributions in binary form must reproduce the above copyright
17 1.1 mycroft # notice, this list of conditions and the following disclaimer in the
18 1.1 mycroft # documentation and/or other materials provided with the distribution.
19 1.1 mycroft # 3. All advertising materials mentioning features or use of this software
20 1.1 mycroft # must display the following acknowledgement:
21 1.5 mycroft # This product includes software developed by the NetBSD
22 1.5 mycroft # Foundation, Inc. and its contributors.
23 1.5 mycroft # 4. Neither the name of The NetBSD Foundation nor the names of its
24 1.5 mycroft # contributors may be used to endorse or promote products derived
25 1.5 mycroft # from this software without specific prior written permission.
26 1.1 mycroft #
27 1.5 mycroft # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 1.5 mycroft # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 1.5 mycroft # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 1.5 mycroft # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 1.5 mycroft # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 1.5 mycroft # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 1.5 mycroft # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 1.5 mycroft # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 1.5 mycroft # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 1.5 mycroft # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 1.5 mycroft # POSSIBILITY OF SUCH DAMAGE.
38 1.1 mycroft #
39 1.1 mycroft
40 1.1 mycroft # This ugly script converts assembler code from Motorola's format to a
41 1.1 mycroft # form that gas (MIT syntax) can digest.
42 1.1 mycroft
43 1.9 apb : ${SED:=sed} # Which sed to use
44 1.9 apb P='%' # Prefix for register names, may be '%' or ''
45 1.9 apb
46 1.9 apb cat "$1" | "${SED}" -e '
47 1.2 mycroft # format canonicalization
48 1.2 mycroft
49 1.9 apb # leave "#include" alone; change "#" and "*" comment lines to use "|".
50 1.9 apb /^\#include/{p;d;}
51 1.9 apb /^\#/{s//|#/;p;d;}
52 1.9 apb /^\*/{s//|/;p;d;}
53 1.1 mycroft /[ ]IDNT[ ]/{s/^/|/;p;d;}
54 1.1 mycroft s/;/|/
55 1.1 mycroft /[ ]equ[ ]/{
56 1.1 mycroft s/\([A-Za-z_][A-Za-z0-9_]*\)[ ]*equ[ ]*/\1,/
57 1.1 mycroft s/[ ][ ]*\(.*\)$/ |\1/
58 1.1 mycroft s/ ||/ |/
59 1.1 mycroft s/^/ .set /
60 1.1 mycroft p;d
61 1.1 mycroft }
62 1.1 mycroft s/^\([A-Za-z_][A-Za-z0-9_]*\)[ ][ ]*/\1: /
63 1.1 mycroft s/^\([A-Za-z_][A-Za-z0-9_]*\)$/\1:/
64 1.1 mycroft /^[A-Za-z_][A-Za-z0-9_]*:/{
65 1.1 mycroft h
66 1.1 mycroft s/:.*$/:/
67 1.1 mycroft p
68 1.1 mycroft g
69 1.1 mycroft s/^.*:[ ]*/ /
70 1.1 mycroft /^ $/d
71 1.1 mycroft }
72 1.2 mycroft /^[ ][ ]*\([.a-zA-Z][.a-zA-Z0-9]*\)/{
73 1.1 mycroft h
74 1.2 mycroft s///
75 1.2 mycroft s/^[ ][ ]*//
76 1.1 mycroft s/[ ][ ]*\(.*\)$/ |\1/
77 1.1 mycroft s/ ||/ |/
78 1.1 mycroft x
79 1.2 mycroft s/^[ ][ ]*//
80 1.1 mycroft s/[ ][ ]*.*$/ /
81 1.1 mycroft y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
82 1.1 mycroft s/^/ /
83 1.1 mycroft G
84 1.1 mycroft s/\n//
85 1.1 mycroft }
86 1.9 apb ' | "${SED}" -e '
87 1.2 mycroft # operator conversion
88 1.2 mycroft
89 1.2 mycroft s/^ section 7/ .text/
90 1.2 mycroft s/^ section 8/ .text/
91 1.2 mycroft s/^ section 15/ .data/
92 1.2 mycroft /^ include/{s/include[ ]/.include "/;s/\.h[ ]*$/.defs"/;p;d;}
93 1.2 mycroft s/^ xref/| xref/
94 1.2 mycroft s/^ end/| end/
95 1.2 mycroft s/^ xdef/ .global/
96 1.2 mycroft
97 1.2 mycroft s/^ dc\.l/ .long/
98 1.2 mycroft s/^ dc\.w/ .short/
99 1.2 mycroft s/^ dc\.b/ .byte/
100 1.2 mycroft
101 1.2 mycroft /^ [aceg-z]/{
102 1.2 mycroft /^ add[aiqx]*\.[bwl] /{s/\.//;p;d;}
103 1.2 mycroft /^ andi*\.[bwl] /{s/\.//;p;d;}
104 1.2 mycroft /^ as[lr]\.[bwl] /{s/\.//;p;d;}
105 1.2 mycroft /^ clr\.[bwl] /{s/\.//;p;d;}
106 1.2 mycroft /^ cmp[i2]*\.[bwl] /{s/\.//;p;d;}
107 1.2 mycroft /^ eori*\.[bwl] /{s/\.//;p;d;}
108 1.2 mycroft /^ lea\.l /{s/\..//;p;d;}
109 1.2 mycroft /^ ls[lr]\.[bwl] /{s/\.//;p;d;}
110 1.2 mycroft /^ move[acmqs]*\.[bwl] /{s/\.//;p;d;}
111 1.2 mycroft /^ mul[su]\.[wl] /{s/\.//;p;d;}
112 1.2 mycroft /^ neg\.[bwl] /{s/\.//;p;d;}
113 1.2 mycroft /^ ori*\.[bwl] /{s/\.//;p;d;}
114 1.2 mycroft /^ ro[lrx]*\.[bwl] /{s/\.//;p;d;}
115 1.2 mycroft /^ sub[aiqx]*\.[bwl] /{s/\.//;p;d;}
116 1.2 mycroft /^ swap\.w /{s/\..//;p;d;}
117 1.2 mycroft /^ s\([a-tv-z][a-z]*\)\.b /{s/\..//;p;d;}
118 1.2 mycroft /^ tst\.[bwl] /{s/\.//;p;d;}
119 1.2 mycroft p;d
120 1.2 mycroft }
121 1.2 mycroft
122 1.2 mycroft /^ bchg\.[bl] /{s/\..//;p;d;}
123 1.2 mycroft /^ bclr\.[bl] /{s/\..//;p;d;}
124 1.2 mycroft /^ bset\.[bl] /{s/\..//;p;d;}
125 1.2 mycroft /^ btst\.[bl] /{s/\..//;p;d;}
126 1.2 mycroft /^ div[sul]*\.[wl] /{s/\.//;p;d;}
127 1.2 mycroft /^ fabs\.[sdx] /{s/\.//;p;d;}
128 1.2 mycroft /^ fadd\.[sdxbwl] /{s/\.//;p;d;}
129 1.2 mycroft /^ fcmp\.[sdxbwl] /{s/\.//;p;d;}
130 1.2 mycroft /^ fdiv\.[sdx] /{s/\.//;p;d;}
131 1.2 mycroft /^ fmove[mx]*\.[sdxbwl] /{s/\.//;p;d;}
132 1.2 mycroft /^ fmul\.[sdx] /{s/\.//;p;d;}
133 1.2 mycroft /^ fneg\.[sdx] /{s/\.//;p;d;}
134 1.2 mycroft /^ fsqrt\.[sdx] /{s/\.//;p;d;}
135 1.2 mycroft /^ fsub\.[sdxbwl] /{s/\.//;p;d;}
136 1.2 mycroft /^ ftst\.[sdx] /{s/\.//;p;d;}
137 1.2 mycroft
138 1.2 mycroft /^ b[a-eg-z][a-z]*\.b /{s/\.b/s/;p;d;}
139 1.2 mycroft /^ b[a-eg-z][a-z]*\.w /{s/\.w//;p;d;}
140 1.2 mycroft /^ b[a-eg-z][a-z]*\.l /{s/\.l/l/;p;d;}
141 1.2 mycroft /^ db[a-z][a-z]*\.w /{s/\.w//;p;d;}
142 1.2 mycroft /^ fb[a-eg-z][a-z]*\.w /{s/\.w//;p;d;}
143 1.2 mycroft /^ fb[a-eg-z][a-z]*\.l /{s/\.l/l/;p;d;}
144 1.9 apb ' | "${SED}" -e '
145 1.2 mycroft # operand conversion
146 1.2 mycroft
147 1.9 apb # register names "FPIAR" -> "%FPI", etc., possibly without the "%"
148 1.9 apb s/\([^_a-zA-Z0-9]\)FPIAR\([^_a-zA-Z0-9]\)/\1'"$P"'FPI\2/g
149 1.9 apb s/\([^_a-zA-Z0-9]\)FPIAR$/\1'"$P"'FPI/g
150 1.9 apb s/\([^_a-zA-Z0-9]\)fpiar\([^_a-zA-Z0-9]\)/\1'"$P"'fpi\2/g
151 1.9 apb s/\([^_a-zA-Z0-9]\)fpiar$/\1'"$P"'fpi/g
152 1.9 apb s/\([^_a-zA-Z0-9]\)FPCR\([^_a-zA-Z0-9]\)/\1'"$P"'FPCR\2/g
153 1.9 apb s/\([^_a-zA-Z0-9]\)FPCR$/\1'"$P"'FPCR/g
154 1.9 apb s/\([^_a-zA-Z0-9]\)fpcr\([^_a-zA-Z0-9]\)/\1'"$P"'fpcr\2/g
155 1.9 apb s/\([^_a-zA-Z0-9]\)fpcr$/\1'"$P"'fpcr/g
156 1.9 apb s/\([^_a-zA-Z0-9]\)FPSR\([^_a-zA-Z0-9]\)/\1'"$P"'FPSR\2/g
157 1.9 apb s/\([^_a-zA-Z0-9]\)FPSR$/\1'"$P"'FPSR/g
158 1.9 apb s/\([^_a-zA-Z0-9]\)fpsr\([^_a-zA-Z0-9]\)/\1'"$P"'fpsr\2/g
159 1.9 apb s/\([^_a-zA-Z0-9]\)fpsr$/\1'"$P"'fpsr/g
160 1.2 mycroft
161 1.9 apb # Hexadecimal numbers
162 1.9 apb s/\$\([0-9a-fA-F]\)/0x\1/g
163 1.2 mycroft s/#:/#:0x/g
164 1.2 mycroft
165 1.9 apb # Insert "%" before more register names (only if $P = "%").
166 1.9 apb # Some of the rules are repeated because of overlap between trailing
167 1.9 apb # context in one match and leading context in another match; otherwise
168 1.9 apb # only half the register names in "d4{d3:4},d0" would be converted.
169 1.9 apb s/\([^[:alnum:]_%]\)\([dDaA][0-7]\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g
170 1.9 apb s/\([^[:alnum:]_%]\)\([fF][pP][0-7]\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g
171 1.9 apb s/\([^[:alnum:]_%]\)\(sp\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g
172 1.9 apb s/\([^[:alnum:]_%]\)\(pc\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g
173 1.9 apb
174 1.9 apb s/\([^[:alnum:]_%]\)\([dDaA][0-7]\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g
175 1.9 apb s/\([^[:alnum:]_%]\)\([fF][pP][0-7]\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g
176 1.9 apb s/\([^[:alnum:]_%]\)\(sp\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g
177 1.9 apb s/\([^[:alnum:]_%]\)\(pc\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g
178 1.9 apb
179 1.9 apb s/\([^[:alnum:]_%]\)\([dDaA][0-7]\)$/\1'"$P"'\2/g
180 1.9 apb s/\([^[:alnum:]_%]\)\([dDaA][0-7]\)$/\1'"$P"'\2/g
181 1.9 apb s/\([^[:alnum:]_%]\)\([fF][pP][0-7]\)$/\1'"$P"'\2/g
182 1.9 apb s/\([^[:alnum:]_%]\)\(sp\)$/\1'"$P"'\2/g
183 1.9 apb
184 1.9 apb s/\(,\)\([dDaA][0-7]\)/\1'"$P"'\2/g
185 1.9 apb s/\(,\)\([fF][pP][0-7]\)/\1'"$P"'\2/g
186 1.9 apb
187 1.9 apb # "-(%sp)" -> "%sp@-", etc. (possibly without the "%")
188 1.9 apb s/-(\('"$P"'[sSpPaA][pPcC0-7]\))/\1@-/g
189 1.9 apb # "(%sp)+" -> "%sp@+", etc. (possibly without the "%")
190 1.9 apb s/(\('"$P"'[sSpPaA][pPcC0-7]\))+/\1@+/g
191 1.9 apb # "foo(%sp,...)" -> "%sp@(foo,...)", etc. (possibly without the "%")
192 1.9 apb s/\([-+A-Za-z0-9_]*\)(\('"$P"'[sSpPaA][pPcC0-7]\)\([),]\)/\2@(\1\3/g
193 1.1 mycroft
194 1.9 apb # ".w" -> ":w"; ".w*nn" -> ":w:nn"; "*nn" -> ":l:nn"; etc.
195 1.1 mycroft s/\.\([bBwWlL])\)/:\1/g
196 1.1 mycroft s/\.\([bBwWlL]\)\*\([0-9][0-9]*)\)/:\1:\2/g
197 1.1 mycroft s/\*\([0-9][0-9]*\))/:l:\1)/g
198 1.9 apb # "{nn:mm}" -> "{#nn:#mm}"
199 1.1 mycroft s/{\([0-9][0-9]*\):\([0-9][0-9]*\)}/{#\1:#\2}/g
200 1.9 apb # "{%d0:nn}" -> "{%d0:#nn}", etc. (possibly without the "%")
201 1.9 apb s/{\('"$P"'[dD][0-7]\):\([0-9][0-9]*\)}/{\1:#\2}/g
202 1.1 mycroft
203 1.9 apb # Remove empty "()" or "(0)" after "@"
204 1.2 mycroft s/@(0*)/@/g
205 1.9 apb # Remove leading "," or trailing ":" in parentheses
206 1.1 mycroft s/(,/(/g;s/:)/)/g
207 1.1 mycroft
208 1.1 mycroft # make up for a gas bug
209 1.1 mycroft /^ fmovemx /{
210 1.9 apb s/ \('"$P"'[fF][pP][0-7]\),/ \1-\1,/
211 1.9 apb s/,\('"$P"'[fF][pP][0-7]\) /,\1-\1 /
212 1.9 apb s/,\('"$P"'[fF][pP][0-7]\)$/,\1-\1/
213 1.1 mycroft }
214 1.9 apb ' | "${SED}" -e '
215 1.6 is # Floating point literal conversion
216 1.6 is
217 1.6 is s/:0x41dfffffffc00000/0r2147483647.0/g
218 1.6 is s/:0xc1e0000000000000/0r-2147483648.0/g
219 1.6 is s/:0x41dfffffffe00000/0r2147483647.5/g
220 1.6 is s/:0xc1e0000000100000/0r-2147483648.5/g
221 1.6 is s/:0x46fffe00/0r32767.0/g
222 1.6 is s/:0xc7000000/0r-32768.0/g
223 1.6 is s/:0x46ffff00/0r32767.5/g
224 1.6 is s/:0xc7000080/0r-32768.5/g
225 1.6 is s/:0x42fe0000/0r127.0/g
226 1.6 is s/:0xc3000000/0r-128.0/g
227 1.6 is s/:0x42ff0000/0r127.5/g
228 1.6 is s/:0xc3008000/0r-128.5/g
229 1.6 is s/:0x3F800000/0r1.0/g
230 1.6 is s/:0x00000000/0r0.0/g
231 1.6 is s/:0xBF800000/0r-1.0/g
232 1.6 is s/:0x3F000000/0r0.5/g
233 1.6 is s/:0x3E800000/0r0.25/g
234 1.6 is s/:0x42B8AA3B/0r92.332481384277343750/g
235 1.6 is s/:0xBC317218/0r-0.0108304247260093688964843750/g
236 1.6 is s/:0x3AB60B70/0r0.001388890668749809265136718750/g
237 1.6 is s/:0x3C088895/0r0.0083333449438214302062988281250/g
238 1.6 is s/:0x42B8AA3B/0r92.332481384277343750/g
239 1.6 is s/:0x3950097B/0r0.0001983995753107592463493347167968750/g
240 1.6 is s/:0x3AB60B6A/0r0.001388889970257878303527832031250/g
241 1.6 is s/:0x2F30CAA8/0r1.60791047143504783889511600136756896972656250e-10/g
242 1.6 is s/:0x310F8290/0r2.0883454965314740547910332679748535156250e-09/g
243 1.6 is s/:0x32D73220/0r2.5052088403754169121384620666503906250e-08/g
244 1.6 is s/:0x3493F281/0r2.755732850800995947793126106262207031250e-07/g
245 1.6 is s/:0x40000000/0r2.0/g
246 1.6 is s/:0x42800000/0r6.40e+01/g
247 1.6 is s/:0x3C800000/0r1.56250e-02/g
248 1.9 apb s/fadds #:0x00800000,'"$P"'[fF][pP]0/ .long 0xf23c4422,0x00800000/
249 1.9 apb s/fsubs #:0x00800000,'"$P"'[fF][pP]0/ .long 0xf23c4428,0x00800000/
250 1.9 apb s/fsubs #:0x00800000,'"$P"'[fF][pP]1/ .long 0xf23c44a8,0x00800000/
251 1.9 apb s/fmoves #:0x80000000,'"$P"'[fF][pP]0/ .long 0xf23c4400,0x80000000/
252 1.9 apb s/fmoves #:0x00000000,'"$P"'[fF][pP]0/ .long 0xf23c4400,0x00000000/
253 1.6 is
254 1.1 mycroft '
255