21513e822f
Make it possible for inslist.pl to understand the new encoding format; fix a few minor buglets.
69 lines
1.6 KiB
Perl
69 lines
1.6 KiB
Perl
#!/usr/bin/perl
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#
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# inslist.pl produce inslist.src
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#
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# The Netwide Assembler is copyright (C) 1996 Simon Tatham and
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# Julian Hall. All rights reserved. The software is
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# redistributable under the licence given in the file "Licence"
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# distributed in the NASM archive.
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# Opcode prefixes which need their own opcode tables
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# LONGER PREFIXES FIRST!
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@disasm_prefixes = qw(0F24 0F25 0F38 0F3A 0F7A 0FA6 0FA7 0F);
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print STDERR "Reading insns.dat...\n";
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@args = ();
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undef $output;
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foreach $arg ( @ARGV ) {
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if ( $arg =~ /^\-/ ) {
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if ( $arg =~ /^\-([adins])$/ ) {
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$output = $1;
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} else {
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die "$0: Unknown option: ${arg}\n";
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}
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} else {
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push (@args, $arg);
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}
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}
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$fname = "../insns.dat" unless $fname = $args[0];
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open (F, $fname) || die "unable to open $fname";
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print STDERR "Writing inslist.src...\n";
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open S, ">inslist.src";
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$line = 0;
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$insns = 0;
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while (<F>) {
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$line++;
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next if (/^\s*$/); # blank lines
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if ( /^\s*;/ ) # comments
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{
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if ( /^\s*;\#\s*(.+)/ ) # section subheader
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{
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print S "\n\\S{} $1\n\n";
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}
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next;
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}
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chomp;
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unless (/^\s*(\S+)\s+(\S+)\s+(\S+|\[.*\])\s+(\S+)\s*$/) {
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warn "line $line does not contain four fields\n";
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next;
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}
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my @entry = ($1, $2, $3, $4);
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$entry[1] =~ s/ignore//;
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$entry[1] =~ s/void//;
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$entry[3] =~ s/ignore//;
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$entry[3] =~ s/,SB//;
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$entry[3] =~ s/,SM//;
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$entry[3] =~ s/,SM2//;
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$entry[3] =~ s/,SQ//;
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$entry[3] =~ s/,AR2//;
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printf S "\\c %-16s %-24s %s\n",$entry[0],$entry[1],$entry[3];
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$insns++;
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}
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print S "\n";
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close S;
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close F;
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printf STDERR "Done: %d instructions\n", $insns;
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