OPENSSL_cleanse to accept zero length parameter [matching C implementation].

[openssl.git] / crypto / perlasm / ppc-xlate.pl

diff --git a/crypto/perlasm/ppc-xlate.pl b/crypto/perlasm/ppc-xlate.pl
index bedaa99cb46ad064775b82cd9d3a4d4a5dc72a23..4579671c9701107d0bf04c59a81fc3fde010d01b 100755 (executable)
--- a/crypto/perlasm/ppc-xlate.pl
+++ b/crypto/perlasm/ppc-xlate.pl
@@ -2,12 +2,12 @@
 
 # PowerPC assembler distiller by <appro>.
 
+my $flavour = shift;
 my $output = shift;
 open STDOUT,">$output" || die "can't open $output: $!";
 
-my $flavour = $output;
 my %GLOBALS;
-my $dotinlocallabels=0;
+my $dotinlocallabels=($flavour=~/linux/)?1:0;
 
 ################################################################
 # directives which need special treatment on different platforms
@@ -29,7 +29,6 @@ my $globl = sub {
                              };
        /linux.*32/     && do { $ret .= ".globl $name\n";
                                $ret .= ".type  $name,\@function";
-                               $dotinlocallabels = 1;
                                last;
                              };
        /linux.*64/     && do { $ret .= ".globl .$name\n";
@@ -43,7 +42,6 @@ my $globl = sub {
                                $ret .= ".previous\n";
 
                                $name = ".$name";
-                               $dotinlocallabels = 1;
                                last;
                              };
     }
@@ -64,6 +62,14 @@ my $machine = sub {
     }
     ".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
@@ -78,8 +84,36 @@ my $cmplw = sub {
 };
 my $bdnz = sub {
     my $f = shift;
-    my $bo = $f=~/[\+\-]/ ? 17 : 16;
+    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($line=<>) {
@@ -106,7 +140,7 @@ while($line=<>) {
        my $mnemonic = $2;
        my $f = $3;
        my $opcode = eval("\$$mnemonic");
-       $line =~ s|\bc?r([0-9]+)\b|$1|g if ($c ne "." and $flavour !~ /osx/);
+       $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; }
     }