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