| Index: openssl/crypto/perlasm/ppc-xlate.pl
|
| ===================================================================
|
| --- openssl/crypto/perlasm/ppc-xlate.pl (revision 0)
|
| +++ openssl/crypto/perlasm/ppc-xlate.pl (revision 0)
|
| @@ -0,0 +1,152 @@
|
| +#!/usr/bin/env perl
|
| +
|
| +# PowerPC assembler distiller by <appro>.
|
| +
|
| +my $flavour = shift;
|
| +my $output = shift;
|
| +open STDOUT,">$output" || die "can't open $output: $!";
|
| +
|
| +my %GLOBALS;
|
| +my $dotinlocallabels=($flavour=~/linux/)?1:0;
|
| +
|
| +################################################################
|
| +# directives which need special treatment on different platforms
|
| +################################################################
|
| +my $globl = sub {
|
| + my $junk = shift;
|
| + my $name = shift;
|
| + my $global = \$GLOBALS{$name};
|
| + my $ret;
|
| +
|
| + $name =~ s|^[\.\_]||;
|
| +
|
| + SWITCH: for ($flavour) {
|
| + /aix/ && do { $name = ".$name";
|
| + last;
|
| + };
|
| + /osx/ && do { $name = "_$name";
|
| + last;
|
| + };
|
| + /linux.*32/ && do { $ret .= ".globl $name\n";
|
| + $ret .= ".type $name,\@function";
|
| + last;
|
| + };
|
| + /linux.*64/ && do { $ret .= ".globl .$name\n";
|
| + $ret .= ".type .$name,\@function\n";
|
| + $ret .= ".section \".opd\",\"aw\"\n";
|
| + $ret .= ".globl $name\n";
|
| + $ret .= ".align 3\n";
|
| + $ret .= "$name:\n";
|
| + $ret .= ".quad .$name,.TOC.\@tocbase,0\n";
|
| + $ret .= ".size $name,24\n";
|
| + $ret .= ".previous\n";
|
| +
|
| + $name = ".$name";
|
| + last;
|
| + };
|
| + }
|
| +
|
| + $ret = ".globl $name" if (!$ret);
|
| + $$global = $name;
|
| + $ret;
|
| +};
|
| +my $text = sub {
|
| + ($flavour =~ /aix/) ? ".csect" : ".text";
|
| +};
|
| +my $machine = sub {
|
| + my $junk = shift;
|
| + my $arch = shift;
|
| + if ($flavour =~ /osx/)
|
| + { $arch =~ s/\"//g;
|
| + $arch = ($flavour=~/64/) ? "ppc970-64" : "ppc970" if ($arch eq "any");
|
| + }
|
| + ".machine $arch";
|
| +};
|
| +my $asciz = sub {
|
| + shift;
|
| + my $line = join(",",@_);
|
| + if ($line =~ /^"(.*)"$/)
|
| + { ".byte " . join(",",unpack("C*",$1),0) . "\n.align 2"; }
|
| + else
|
| + { ""; }
|
| +};
|
| +
|
| +################################################################
|
| +# simplified mnemonics not handled by at least one assembler
|
| +################################################################
|
| +my $cmplw = sub {
|
| + my $f = shift;
|
| + my $cr = 0; $cr = shift if ($#_>1);
|
| + # Some out-of-date 32-bit GNU assembler just can't handle cmplw...
|
| + ($flavour =~ /linux.*32/) ?
|
| + " .long ".sprintf "0x%x",31<<26|$cr<<23|$_[0]<<16|$_[1]<<11|64 :
|
| + " cmplw ".join(',',$cr,@_);
|
| +};
|
| +my $bdnz = sub {
|
| + my $f = shift;
|
| + my $bo = $f=~/[\+\-]/ ? 16+9 : 16; # optional "to be taken" hint
|
| + " bc $bo,0,".shift;
|
| +} if ($flavour!~/linux/);
|
| +my $bltlr = sub {
|
| + my $f = shift;
|
| + my $bo = $f=~/\-/ ? 12+2 : 12; # optional "not to be taken" hint
|
| + ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
|
| + " .long ".sprintf "0x%x",19<<26|$bo<<21|16<<1 :
|
| + " bclr $bo,0";
|
| +};
|
| +my $bnelr = sub {
|
| + my $f = shift;
|
| + my $bo = $f=~/\-/ ? 4+2 : 4; # optional "not to be taken" hint
|
| + ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
|
| + " .long ".sprintf "0x%x",19<<26|$bo<<21|2<<16|16<<1 :
|
| + " bclr $bo,2";
|
| +};
|
| +my $beqlr = sub {
|
| + my $f = shift;
|
| + my $bo = $f=~/-/ ? 12+2 : 12; # optional "not to be taken" hint
|
| + ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
|
| + " .long ".sprintf "0x%X",19<<26|$bo<<21|2<<16|16<<1 :
|
| + " bclr $bo,2";
|
| +};
|
| +# GNU assembler can't handle extrdi rA,rS,16,48, or when sum of last two
|
| +# arguments is 64, with "operand out of range" error.
|
| +my $extrdi = sub {
|
| + my ($f,$ra,$rs,$n,$b) = @_;
|
| + $b = ($b+$n)&63; $n = 64-$n;
|
| + " rldicl $ra,$rs,$b,$n";
|
| +};
|
| +
|
| +while($line=<>) {
|
| +
|
| + $line =~ s|[#!;].*$||; # get rid of asm-style comments...
|
| + $line =~ s|/\*.*\*/||; # ... and C-style comments...
|
| + $line =~ s|^\s+||; # ... and skip white spaces in beginning...
|
| + $line =~ s|\s+$||; # ... and at the end
|
| +
|
| + {
|
| + $line =~ s|\b\.L(\w+)|L$1|g; # common denominator for Locallabel
|
| + $line =~ s|\bL(\w+)|\.L$1|g if ($dotinlocallabels);
|
| + }
|
| +
|
| + {
|
| + $line =~ s|(^[\.\w]+)\:\s*||;
|
| + my $label = $1;
|
| + printf "%s:",($GLOBALS{$label} or $label) if ($label);
|
| + }
|
| +
|
| + {
|
| + $line =~ s|^\s*(\.?)(\w+)([\.\+\-]?)\s*||;
|
| + my $c = $1; $c = "\t" if ($c eq "");
|
| + my $mnemonic = $2;
|
| + my $f = $3;
|
| + my $opcode = eval("\$$mnemonic");
|
| + $line =~ s|\bc?[rf]([0-9]+)\b|$1|g if ($c ne "." and $flavour !~ /osx/);
|
| + if (ref($opcode) eq 'CODE') { $line = &$opcode($f,split(',',$line)); }
|
| + elsif ($mnemonic) { $line = $c.$mnemonic.$f."\t".$line; }
|
| + }
|
| +
|
| + print $line if ($line);
|
| + print "\n";
|
| +}
|
| +
|
| +close STDOUT;
|
|
|