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perlasm/ppc-xlate.pl: recognize .type directive.

Reviewed-by: Rich Salz <rsalz@openssl.org>
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dot-asm committed Aug 14, 2016
1 parent fca8f5d commit b17ff188b17499e83ca3b9df0be47a2f513ac3c5
Showing with 53 additions and 19 deletions.
  1. +53 −19 crypto/perlasm/ppc-xlate.pl
@@ -11,40 +11,65 @@
open STDOUT,">$output" || die "can't open $output: $!";
my %GLOBALS;
my %TYPES;
my $dotinlocallabels=($flavour=~/linux/)?1:0;
################################################################
# directives which need special treatment on different platforms
################################################################
my $type = sub {
my ($dir,$name,$type) = @_;
$TYPES{$name} = $type;
if ($flavour =~ /linux/) {
$name =~ s|^\.||;
".type $name,$type";
} else {
"";
}
};
my $globl = sub {
my $junk = shift;
my $name = shift;
my $global = \$GLOBALS{$name};
my $type = \$TYPES{$name};
my $ret;
$name =~ s|^[\.\_]||;
$name =~ s|^\.||;
SWITCH: for ($flavour) {
/aix/ && do { $name = ".$name";
/aix/ && do { if (!$$type) {
$$type = "\@function";
}
if ($$type =~ /function/) {
$name = ".$name";
}
last;
};
/osx/ && do { $name = "_$name";
last;
};
/linux.*(32|64le)/
&& do { $ret .= ".globl $name\n";
$ret .= ".type $name,\@function";
&& do { $ret .= ".globl $name";
if (!$$type) {
$ret .= "\n.type $name,\@function";
$$type = "\@function";
}
last;
};
/linux.*64/ && do { $ret .= ".globl $name\n";
$ret .= ".type $name,\@function\n";
$ret .= ".section \".opd\",\"aw\"\n";
$ret .= ".align 3\n";
$ret .= "$name:\n";
$ret .= ".quad .$name,.TOC.\@tocbase,0\n";
$ret .= ".previous\n";
$name = ".$name";
/linux.*64/ && do { $ret .= ".globl $name";
if (!$$type) {
$ret .= "\n.type $name,\@function";
$$type = "\@function";
}
if ($$type =~ /function/) {
$ret .= "\n.section \".opd\",\"aw\"";
$ret .= "\n.align 3";
$ret .= "\n$name:";
$ret .= "\n.quad .$name,.TOC.\@tocbase,0";
$ret .= "\n.previous";
$name = ".$name";
}
last;
};
}
@@ -70,9 +95,13 @@
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$/);
my $name = shift;
my $real = $GLOBALS{$name} ? \$GLOBALS{$name} : \$name;
my $ret = ".size $$real,.-$$real";
$name =~ s|^\.||;
if ($$real ne $name) {
$ret .= "\n.size $name,.-$$real";
}
$ret;
}
else
@@ -234,16 +263,21 @@ sub vcrypto_op {
$line =~ s|\s+$||; # ... and at the end
{
$line =~ s|\b\.L(\w+)|L$1|g; # common denominator for Locallabel
$line =~ s|\.L(\w+)|L$1|g; # common denominator for Locallabel
$line =~ s|\bL(\w+)|\.L$1|g if ($dotinlocallabels);
}
{
$line =~ s|(^[\.\w]+)\:\s*||;
my $label = $1;
if ($label) {
printf "%s:",($GLOBALS{$label} or $label);
printf "\n.localentry\t$GLOBALS{$label},0" if ($GLOBALS{$label} && $flavour =~ /linux.*64le/);
my $xlated = ($GLOBALS{$label} or $label);
print "$xlated:";
if ($flavour =~ /linux.*64le/) {
if ($TYPES{$label} =~ /function/) {
printf "\n.localentry %s,0\n",$xlated;
}
}
}
}

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