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Modify nomacro.pl to expand assembler macros

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pooler 2015-02-25 13:22:54 +01:00
parent 9373a5c433
commit 35b4288a33
1 changed files with 22 additions and 20 deletions
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42
nomacro.pl
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@ -1,44 +1,46 @@
#!/usr/bin/perl #!/usr/bin/perl
# Copyright 2012 pooler@litecoinpool.org # Copyright 2012, 2015 pooler@litecoinpool.org
# #
# This program is free software; you can redistribute it and/or modify it # This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free # under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option) # Software Foundation; either version 2 of the License, or (at your option)
# any later version. See COPYING for more details. # any later version. See COPYING for more details.
# #
# nomacro.pl - convert assembler macros to C preprocessor macros. # nomacro.pl - expand assembler macros.
use strict; use strict;
foreach my $f (<*.S>) { foreach my $f (<*.S>) {
rename $f, "$f.orig"; rename $f, "$f.orig" unless -e "$f.orig";
open FIN, "$f.orig"; open FIN, "$f.orig";
open FOUT, ">$f"; open FOUT, ">$f";
my $inmacro = 0;
my %macros = (); my %macros = ();
my %m = ();
while (<FIN>) { while (<FIN>) {
if (m/^\.macro\s+([_0-9A-Z]+)(?:\s*)(.*)$/i) { if (m/^\.macro\s+(\w+)\s*(.*)$/) {
print FOUT "#define $1($2) \\\n"; $m{name} = $1;
$macros{$1} = 1; @m{args} = [split /\s*,\s*/, $2];
$inmacro = 1; $m{body} = "";
next; next;
} }
if (m/^\.endm/) { if (m/^\.endm/) {
print FOUT "\n"; $macros{$m{name}} = {%m};
$inmacro = 0; %m = ();
next; next;
} }
for my $m (keys %macros) { for my $n (keys %macros) {
s/^([ \t]*)($m)(?:[ \t]+([^#\n]*))?([;\n])/\1\2(\3)\4/; if (m/^\s*$n\b\s*(.*)$/) {
} my @a = split /\s*,\s*/, $1;
if ($inmacro) { $_ = $macros{$n}{body};
if (m/^\s*#if/) { for my $i (0 .. $#{$macros{$n}{args}}) {
$_ = <FIN> while (!m/^\s*#endif/); s/\\$macros{$n}{args}[$i]\b/$a[$i]/g;
next; }
last;
} }
next if (m/^\s*$/); }
s/\\//g; if (%m) {
s/$/; \\/; $m{body} .= $_;
next;
} }
print FOUT; print FOUT;
} }