Commit 4e3d2866 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

perlasm/x86*.pl: add endbranch instruction. 



For further information see "Control-flow Enforcement Technology
Preview" by Intel.

Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
parent cc77d0d8

crypto/perlasm/x86_64-xlate.pl

+4 −0
Original line number Diff line number Diff line
@@ -864,6 +864,10 @@ my $vprotq = sub { 
    }

};



my $endbranch = sub {

    (0xf3,0x0f,0x1e,0xfa);

};



if ($nasm) {

    print <<___;

default	rel

crypto/perlasm/x86asm.pl

+5 −0
Original line number Diff line number Diff line
@@ -172,6 +172,11 @@ sub ::vprotd 
    {	&::generic("vprotd",@_);	}

}



sub ::endbranch

{

    &::data_byte(0xf3,0x0f,0x1e,0xfb);

}



# label management

$lbdecor="L";		# local label decoration, set by package

$label="000";