github.com/aergoio/aergo@v1.3.1/libtool/src/gmp-6.1.2/mpn/m68k/t-m68k-defs.pl (about)

     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  
    39  use strict;
    40  use Getopt::Std;
    41  
    42  my %opt;
    43  getopts('t', \%opt);
    44  
    45  my %branch;
    46  my %insn;
    47  
    48  open(FD, "<m68k-defs.m4")
    49      or die "Cannot open m68k-defs.m4: $!\nIs this the mpn/m68k source directory?\n";
    50  my ($srcdir, $top_srcdir);
    51  while (<FD>) {
    52      if (/^m68k_defbranch\(\s*(.*)\)/) { $branch{"b".$1} = 1; }
    53      if (/^m68k_definsn\(\s*(.*),\s*(.*)\)/) { $insn{$1.$2} = 1; }
    54  }
    55  close(FD);
    56  
    57  print "branches: ", join(" ",keys(%branch)), "\n" if $opt{'t'};
    58  print "insns: ", join(" ",keys(%insn)), "\n" if $opt{'t'};
    59  
    60  
    61  foreach 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  }