X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fperlasm%2Fppc-xlate.pl;h=57d9ec1610c622d1b38945f921c2767749dc9cbb;hp=c2a4621f868a24c72f36d00248cb35ceed356543;hb=f586d97191ad9821faea026df68aceaba45d1800;hpb=c6149e2f02dde61b6fd16c6ec9962f65d7eb37d8;ds=inline

diff --git a/crypto/perlasm/ppc-xlate.pl b/crypto/perlasm/ppc-xlate.pl
index c2a4621f86..57d9ec1610 100755
--- a/crypto/perlasm/ppc-xlate.pl
+++ b/crypto/perlasm/ppc-xlate.pl
@@ -2,10 +2,10 @@
 
 # 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 $dotinlocallabels=($flavour=~/linux/)?1:0;
 
@@ -27,18 +27,17 @@ my $globl = sub {
 	/osx/		&& do { $name = "_$name";
 				last;
 			      };
-	/linux.*32/	&& do {	$ret .= ".globl	$name\n";
+	/linux.*(32|64le)/
+			&& do {	$ret .= ".globl	$name\n";
 				$ret .= ".type	$name,\@function";
 				last;
 			      };
-	/linux.*64/	&& do {	$ret .= ".globl	.$name\n";
-				$ret .= ".type	.$name,\@function\n";
+	/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";
@@ -51,7 +50,9 @@ my $globl = sub {
     $ret;
 };
 my $text = sub {
-    ($flavour =~ /aix/) ? ".csect" : ".text";
+    my $ret = ($flavour =~ /aix/) ? ".csect" : ".text";
+    $ret = ".abiversion	2\n".$ret	if ($flavour =~ /linux.*64le/);
+    $ret;
 };
 my $machine = sub {
     my $junk = shift;
@@ -62,14 +63,44 @@ my $machine = sub {
     }
     ".machine	$arch";
 };
+my $size = sub {
+    if ($flavour =~ /linux/)
+    {	shift;
+	my $name = shift; $name =~ s|^[\.\_]||;
+	my $ret  = ".size	$name,.-".($flavour=~/64$/?".":"").$name;
+	$ret .= "\n.size	.$name,.-.$name" if ($flavour=~/64$/);
+	$ret;
+    }
+    else
+    {	"";	}
+};
 my $asciz = sub {
     shift;
     my $line = join(",",@_);
     if ($line =~ /^"(.*)"$/)
-    {	".byte	" . join(",",unpack("C*",$1),0);	}
+    {	".byte	" . join(",",unpack("C*",$1),0) . "\n.align	2";	}
     else
     {	"";	}
 };
+my $quad = sub {
+    shift;
+    my @ret;
+    my ($hi,$lo);
+    for (@_) {
+	if (/^0x([0-9a-f]*?)([0-9a-f]{1,8})$/io)
+	{  $hi=$1?"0x$1":"0"; $lo="0x$2";  }
+	elsif (/^([0-9]+)$/o)
+	{  $hi=$1>>32; $lo=$1&0xffffffff;  } # error-prone with 32-bit perl
+	else
+	{  $hi=undef; $lo=$_; }
+
+	if (defined($hi))
+	{  push(@ret,$flavour=~/le$/o?".long\t$lo,$hi":".long\t$hi,$lo");  }
+	else
+	{  push(@ret,".quad	$lo");  }
+    }
+    join("\n",@ret);
+};
 
 ################################################################
 # simplified mnemonics not handled by at least one assembler
@@ -84,8 +115,36 @@ 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($line=<>) {
@@ -103,7 +162,10 @@ while($line=<>) {
     {
 	$line =~ s|(^[\.\w]+)\:\s*||;
 	my $label = $1;
-	printf "%s:",($GLOBALS{$label} or $label) if ($label);
+	if ($label) {
+	    printf "%s:",($GLOBALS{$label} or $label);
+	    printf "\n.localentry\t$GLOBALS{$label},0"	if ($GLOBALS{$label} && $flavour =~ /linux.*64le/);
+	}
     }
 
     {
@@ -112,7 +174,7 @@ 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; }
     }