83 lines
2.5 KiB
Perl
83 lines
2.5 KiB
Perl
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#! /usr/bin/perl -w
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# Copyright 2001, 2003 Free Software Foundation, Inc.
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#
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# This file is part of the GNU MP Library.
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#
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# The GNU MP Library is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or (at your
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# option) any later version.
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#
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# The GNU MP Library is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# Usage: perl t-m68k-defs.pl [-t]
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#
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# Run this in the mpn/m68k source directory to check that m68k-defs.m4 has
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# m68k_defbranch()s or m68k_definsn()s for each instruction used in *.asm
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# and */*.asm. Print nothing if everything is ok. The -t option prints
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# some diagnostic traces.
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use strict;
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use Getopt::Std;
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my %opt;
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getopts('t', \%opt);
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my %branch;
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my %insn;
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open(FD, "<m68k-defs.m4")
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or die "Cannot open m68k-defs.m4: $!\nIs this the mpn/m68k source directory?\n";
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my ($srcdir, $top_srcdir);
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while (<FD>) {
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if (/^m68k_defbranch\(\s*(.*)\)/) { $branch{"b".$1} = 1; }
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if (/^m68k_definsn\(\s*(.*),\s*(.*)\)/) { $insn{$1.$2} = 1; }
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}
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close(FD);
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print "branches: ", join(" ",keys(%branch)), "\n" if $opt{'t'};
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print "insns: ", join(" ",keys(%insn)), "\n" if $opt{'t'};
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foreach my $file (glob("*.asm"), glob("*/*.asm")) {
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print "file $file\n" if $opt{'t'};
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open(FD, "<$file") or die "Cannot open $file: $!";
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while (<FD>) {
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if (/^[ \t]*C/) { next; };
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if (/^\t([a-z0-9]+)/) {
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my $opcode = $1;
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print "opcode $1\n" if $opt{'t'};
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# instructions with an l, w or b suffix should have a definsn
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# (unless they're already a defbranch)
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if ($opcode =~ /[lwb]$/
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&& ! defined $insn{$opcode}
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&& ! defined $branch{$opcode})
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{
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print "$file: $.: missing m68k_definsn: $opcode\n";
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}
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# instructions bXX should have a defbranch (unless they're
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# already a definsn)
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if ($opcode =~ /^b/
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&& ! defined $insn{$opcode}
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&& ! defined $branch{$opcode})
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{
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print "$file: $.: missing m68k_defbranch: $opcode\n";
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}
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}
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}
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close(FD);
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}
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