asm2gas revision 1.9
1 #!/bin/sh 2 # $NetBSD: asm2gas,v 1.9 2008/03/28 22:27:33 apb Exp $ 3 4 # 5 # Copyright (c) 1998,2008 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 : ${SED:=sed} # Which sed to use 44 P='%' # Prefix for register names, may be '%' or '' 45 46 cat "$1" | "${SED}" -e ' 47 # format canonicalization 48 49 # leave "#include" alone; change "#" and "*" comment lines to use "|". 50 /^\#include/{p;d;} 51 /^\#/{s//|#/;p;d;} 52 /^\*/{s//|/;p;d;} 53 /[ ]IDNT[ ]/{s/^/|/;p;d;} 54 s/;/|/ 55 /[ ]equ[ ]/{ 56 s/\([A-Za-z_][A-Za-z0-9_]*\)[ ]*equ[ ]*/\1,/ 57 s/[ ][ ]*\(.*\)$/ |\1/ 58 s/ ||/ |/ 59 s/^/ .set / 60 p;d 61 } 62 s/^\([A-Za-z_][A-Za-z0-9_]*\)[ ][ ]*/\1: / 63 s/^\([A-Za-z_][A-Za-z0-9_]*\)$/\1:/ 64 /^[A-Za-z_][A-Za-z0-9_]*:/{ 65 h 66 s/:.*$/:/ 67 p 68 g 69 s/^.*:[ ]*/ / 70 /^ $/d 71 } 72 /^[ ][ ]*\([.a-zA-Z][.a-zA-Z0-9]*\)/{ 73 h 74 s/// 75 s/^[ ][ ]*// 76 s/[ ][ ]*\(.*\)$/ |\1/ 77 s/ ||/ |/ 78 x 79 s/^[ ][ ]*// 80 s/[ ][ ]*.*$/ / 81 y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ 82 s/^/ / 83 G 84 s/\n// 85 } 86 ' | "${SED}" -e ' 87 # operator conversion 88 89 s/^ section 7/ .text/ 90 s/^ section 8/ .text/ 91 s/^ section 15/ .data/ 92 /^ include/{s/include[ ]/.include "/;s/\.h[ ]*$/.defs"/;p;d;} 93 s/^ xref/| xref/ 94 s/^ end/| end/ 95 s/^ xdef/ .global/ 96 97 s/^ dc\.l/ .long/ 98 s/^ dc\.w/ .short/ 99 s/^ dc\.b/ .byte/ 100 101 /^ [aceg-z]/{ 102 /^ add[aiqx]*\.[bwl] /{s/\.//;p;d;} 103 /^ andi*\.[bwl] /{s/\.//;p;d;} 104 /^ as[lr]\.[bwl] /{s/\.//;p;d;} 105 /^ clr\.[bwl] /{s/\.//;p;d;} 106 /^ cmp[i2]*\.[bwl] /{s/\.//;p;d;} 107 /^ eori*\.[bwl] /{s/\.//;p;d;} 108 /^ lea\.l /{s/\..//;p;d;} 109 /^ ls[lr]\.[bwl] /{s/\.//;p;d;} 110 /^ move[acmqs]*\.[bwl] /{s/\.//;p;d;} 111 /^ mul[su]\.[wl] /{s/\.//;p;d;} 112 /^ neg\.[bwl] /{s/\.//;p;d;} 113 /^ ori*\.[bwl] /{s/\.//;p;d;} 114 /^ ro[lrx]*\.[bwl] /{s/\.//;p;d;} 115 /^ sub[aiqx]*\.[bwl] /{s/\.//;p;d;} 116 /^ swap\.w /{s/\..//;p;d;} 117 /^ s\([a-tv-z][a-z]*\)\.b /{s/\..//;p;d;} 118 /^ tst\.[bwl] /{s/\.//;p;d;} 119 p;d 120 } 121 122 /^ bchg\.[bl] /{s/\..//;p;d;} 123 /^ bclr\.[bl] /{s/\..//;p;d;} 124 /^ bset\.[bl] /{s/\..//;p;d;} 125 /^ btst\.[bl] /{s/\..//;p;d;} 126 /^ div[sul]*\.[wl] /{s/\.//;p;d;} 127 /^ fabs\.[sdx] /{s/\.//;p;d;} 128 /^ fadd\.[sdxbwl] /{s/\.//;p;d;} 129 /^ fcmp\.[sdxbwl] /{s/\.//;p;d;} 130 /^ fdiv\.[sdx] /{s/\.//;p;d;} 131 /^ fmove[mx]*\.[sdxbwl] /{s/\.//;p;d;} 132 /^ fmul\.[sdx] /{s/\.//;p;d;} 133 /^ fneg\.[sdx] /{s/\.//;p;d;} 134 /^ fsqrt\.[sdx] /{s/\.//;p;d;} 135 /^ fsub\.[sdxbwl] /{s/\.//;p;d;} 136 /^ ftst\.[sdx] /{s/\.//;p;d;} 137 138 /^ b[a-eg-z][a-z]*\.b /{s/\.b/s/;p;d;} 139 /^ b[a-eg-z][a-z]*\.w /{s/\.w//;p;d;} 140 /^ b[a-eg-z][a-z]*\.l /{s/\.l/l/;p;d;} 141 /^ db[a-z][a-z]*\.w /{s/\.w//;p;d;} 142 /^ fb[a-eg-z][a-z]*\.w /{s/\.w//;p;d;} 143 /^ fb[a-eg-z][a-z]*\.l /{s/\.l/l/;p;d;} 144 ' | "${SED}" -e ' 145 # operand conversion 146 147 # register names "FPIAR" -> "%FPI", etc., possibly without the "%" 148 s/\([^_a-zA-Z0-9]\)FPIAR\([^_a-zA-Z0-9]\)/\1'"$P"'FPI\2/g 149 s/\([^_a-zA-Z0-9]\)FPIAR$/\1'"$P"'FPI/g 150 s/\([^_a-zA-Z0-9]\)fpiar\([^_a-zA-Z0-9]\)/\1'"$P"'fpi\2/g 151 s/\([^_a-zA-Z0-9]\)fpiar$/\1'"$P"'fpi/g 152 s/\([^_a-zA-Z0-9]\)FPCR\([^_a-zA-Z0-9]\)/\1'"$P"'FPCR\2/g 153 s/\([^_a-zA-Z0-9]\)FPCR$/\1'"$P"'FPCR/g 154 s/\([^_a-zA-Z0-9]\)fpcr\([^_a-zA-Z0-9]\)/\1'"$P"'fpcr\2/g 155 s/\([^_a-zA-Z0-9]\)fpcr$/\1'"$P"'fpcr/g 156 s/\([^_a-zA-Z0-9]\)FPSR\([^_a-zA-Z0-9]\)/\1'"$P"'FPSR\2/g 157 s/\([^_a-zA-Z0-9]\)FPSR$/\1'"$P"'FPSR/g 158 s/\([^_a-zA-Z0-9]\)fpsr\([^_a-zA-Z0-9]\)/\1'"$P"'fpsr\2/g 159 s/\([^_a-zA-Z0-9]\)fpsr$/\1'"$P"'fpsr/g 160 161 # Hexadecimal numbers 162 s/\$\([0-9a-fA-F]\)/0x\1/g 163 s/#:/#:0x/g 164 165 # Insert "%" before more register names (only if $P = "%"). 166 # Some of the rules are repeated because of overlap between trailing 167 # context in one match and leading context in another match; otherwise 168 # only half the register names in "d4{d3:4},d0" would be converted. 169 s/\([^[:alnum:]_%]\)\([dDaA][0-7]\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g 170 s/\([^[:alnum:]_%]\)\([fF][pP][0-7]\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g 171 s/\([^[:alnum:]_%]\)\(sp\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g 172 s/\([^[:alnum:]_%]\)\(pc\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g 173 174 s/\([^[:alnum:]_%]\)\([dDaA][0-7]\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g 175 s/\([^[:alnum:]_%]\)\([fF][pP][0-7]\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g 176 s/\([^[:alnum:]_%]\)\(sp\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g 177 s/\([^[:alnum:]_%]\)\(pc\)\([^[:alnum:]_]\)/\1'"$P"'\2\3/g 178 179 s/\([^[:alnum:]_%]\)\([dDaA][0-7]\)$/\1'"$P"'\2/g 180 s/\([^[:alnum:]_%]\)\([dDaA][0-7]\)$/\1'"$P"'\2/g 181 s/\([^[:alnum:]_%]\)\([fF][pP][0-7]\)$/\1'"$P"'\2/g 182 s/\([^[:alnum:]_%]\)\(sp\)$/\1'"$P"'\2/g 183 184 s/\(,\)\([dDaA][0-7]\)/\1'"$P"'\2/g 185 s/\(,\)\([fF][pP][0-7]\)/\1'"$P"'\2/g 186 187 # "-(%sp)" -> "%sp@-", etc. (possibly without the "%") 188 s/-(\('"$P"'[sSpPaA][pPcC0-7]\))/\1@-/g 189 # "(%sp)+" -> "%sp@+", etc. (possibly without the "%") 190 s/(\('"$P"'[sSpPaA][pPcC0-7]\))+/\1@+/g 191 # "foo(%sp,...)" -> "%sp@(foo,...)", etc. (possibly without the "%") 192 s/\([-+A-Za-z0-9_]*\)(\('"$P"'[sSpPaA][pPcC0-7]\)\([),]\)/\2@(\1\3/g 193 194 # ".w" -> ":w"; ".w*nn" -> ":w:nn"; "*nn" -> ":l:nn"; etc. 195 s/\.\([bBwWlL])\)/:\1/g 196 s/\.\([bBwWlL]\)\*\([0-9][0-9]*)\)/:\1:\2/g 197 s/\*\([0-9][0-9]*\))/:l:\1)/g 198 # "{nn:mm}" -> "{#nn:#mm}" 199 s/{\([0-9][0-9]*\):\([0-9][0-9]*\)}/{#\1:#\2}/g 200 # "{%d0:nn}" -> "{%d0:#nn}", etc. (possibly without the "%") 201 s/{\('"$P"'[dD][0-7]\):\([0-9][0-9]*\)}/{\1:#\2}/g 202 203 # Remove empty "()" or "(0)" after "@" 204 s/@(0*)/@/g 205 # Remove leading "," or trailing ":" in parentheses 206 s/(,/(/g;s/:)/)/g 207 208 # make up for a gas bug 209 /^ fmovemx /{ 210 s/ \('"$P"'[fF][pP][0-7]\),/ \1-\1,/ 211 s/,\('"$P"'[fF][pP][0-7]\) /,\1-\1 / 212 s/,\('"$P"'[fF][pP][0-7]\)$/,\1-\1/ 213 } 214 ' | "${SED}" -e ' 215 # Floating point literal conversion 216 217 s/:0x41dfffffffc00000/0r2147483647.0/g 218 s/:0xc1e0000000000000/0r-2147483648.0/g 219 s/:0x41dfffffffe00000/0r2147483647.5/g 220 s/:0xc1e0000000100000/0r-2147483648.5/g 221 s/:0x46fffe00/0r32767.0/g 222 s/:0xc7000000/0r-32768.0/g 223 s/:0x46ffff00/0r32767.5/g 224 s/:0xc7000080/0r-32768.5/g 225 s/:0x42fe0000/0r127.0/g 226 s/:0xc3000000/0r-128.0/g 227 s/:0x42ff0000/0r127.5/g 228 s/:0xc3008000/0r-128.5/g 229 s/:0x3F800000/0r1.0/g 230 s/:0x00000000/0r0.0/g 231 s/:0xBF800000/0r-1.0/g 232 s/:0x3F000000/0r0.5/g 233 s/:0x3E800000/0r0.25/g 234 s/:0x42B8AA3B/0r92.332481384277343750/g 235 s/:0xBC317218/0r-0.0108304247260093688964843750/g 236 s/:0x3AB60B70/0r0.001388890668749809265136718750/g 237 s/:0x3C088895/0r0.0083333449438214302062988281250/g 238 s/:0x42B8AA3B/0r92.332481384277343750/g 239 s/:0x3950097B/0r0.0001983995753107592463493347167968750/g 240 s/:0x3AB60B6A/0r0.001388889970257878303527832031250/g 241 s/:0x2F30CAA8/0r1.60791047143504783889511600136756896972656250e-10/g 242 s/:0x310F8290/0r2.0883454965314740547910332679748535156250e-09/g 243 s/:0x32D73220/0r2.5052088403754169121384620666503906250e-08/g 244 s/:0x3493F281/0r2.755732850800995947793126106262207031250e-07/g 245 s/:0x40000000/0r2.0/g 246 s/:0x42800000/0r6.40e+01/g 247 s/:0x3C800000/0r1.56250e-02/g 248 s/fadds #:0x00800000,'"$P"'[fF][pP]0/ .long 0xf23c4422,0x00800000/ 249 s/fsubs #:0x00800000,'"$P"'[fF][pP]0/ .long 0xf23c4428,0x00800000/ 250 s/fsubs #:0x00800000,'"$P"'[fF][pP]1/ .long 0xf23c44a8,0x00800000/ 251 s/fmoves #:0x80000000,'"$P"'[fF][pP]0/ .long 0xf23c4400,0x80000000/ 252 s/fmoves #:0x00000000,'"$P"'[fF][pP]0/ .long 0xf23c4400,0x00000000/ 253 254 ' 255
Indexes created Wed Oct 01 19:09:53 GMT 2025