1#! /usr/bin/perl -w
2
3# Copyright 2001, 2003 Free Software Foundation, Inc.
4#
5#  This file is part of the GNU MP Library.
6#
7#  The GNU MP Library is free software; you can redistribute it and/or modify
8#  it under the terms of either:
9#
10#    * the GNU Lesser General Public License as published by the Free
11#      Software Foundation; either version 3 of the License, or (at your
12#      option) any later version.
13#
14#  or
15#
16#    * the GNU General Public License as published by the Free Software
17#      Foundation; either version 2 of the License, or (at your option) any
18#      later version.
19#
20#  or both in parallel, as here.
21#
22#  The GNU MP Library is distributed in the hope that it will be useful, but
23#  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
24#  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
25#  for more details.
26#
27#  You should have received copies of the GNU General Public License and the
28#  GNU Lesser General Public License along with the GNU MP Library.  If not,
29#  see https://www.gnu.org/licenses/.
30
31
32# Usage:  perl t-m68k-defs.pl [-t]
33#
34# Run this in the mpn/m68k source directory to check that m68k-defs.m4 has
35# m68k_defbranch()s or m68k_definsn()s for each instruction used in *.asm
36# and */*.asm.  Print nothing if everything is ok.  The -t option prints
37# some diagnostic traces.
38
39use strict;
40use Getopt::Std;
41
42my %opt;
43getopts('t', \%opt);
44
45my %branch;
46my %insn;
47
48open(FD, "<m68k-defs.m4")
49    or die "Cannot open m68k-defs.m4: $!\nIs this the mpn/m68k source directory?\n";
50my ($srcdir, $top_srcdir);
51while (<FD>) {
52    if (/^m68k_defbranch\(\s*(.*)\)/) { $branch{"b".$1} = 1; }
53    if (/^m68k_definsn\(\s*(.*),\s*(.*)\)/) { $insn{$1.$2} = 1; }
54}
55close(FD);
56
57print "branches: ", join(" ",keys(%branch)), "\n" if $opt{'t'};
58print "insns: ", join(" ",keys(%insn)), "\n" if $opt{'t'};
59
60
61foreach my $file (glob("*.asm"), glob("*/*.asm")) {
62    print "file $file\n" if $opt{'t'};
63
64    open(FD, "<$file") or die "Cannot open $file: $!";
65    while (<FD>) {
66	if (/^[ \t]*C/) { next; };
67	if (/^\t([a-z0-9]+)/) {
68	    my $opcode = $1;
69	    print "opcode $1\n" if $opt{'t'};
70
71	    # instructions with an l, w or b suffix should have a definsn
72	    # (unless they're already a defbranch)
73	    if ($opcode =~ /[lwb]$/
74		&& ! defined $insn{$opcode}
75		&& ! defined $branch{$opcode})
76	    {
77		print "$file: $.: missing m68k_definsn: $opcode\n";
78	    }
79
80	    # instructions bXX should have a defbranch (unless they're
81	    # already a definsn)
82	    if ($opcode =~ /^b/
83		&& ! defined $insn{$opcode}
84		&& ! defined $branch{$opcode})
85	    {
86		print "$file: $.: missing m68k_defbranch: $opcode\n";
87	    }
88	}
89    }
90    close(FD);
91}
92