poly1305/asm/poly1305-x86_64.pl: contain symbols within shared lib.

[openssl.git] / crypto / perlasm / x86nasm.pl

diff --git a/crypto/perlasm/x86nasm.pl b/crypto/perlasm/x86nasm.pl
index 224feff12e8f33e4b12fb599ebe14df261a33b65..4b664a870b4411233277170bef2c886f13dfd3f7 100644 (file)
--- a/crypto/perlasm/x86nasm.pl
+++ b/crypto/perlasm/x86nasm.pl
@@ -1,4 +1,11 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
 
 package x86nasm;
 
@@ -19,6 +26,8 @@ sub ::generic
        {   $_[0] = "NEAR $_[0]";       }
        elsif ($opcode eq "lea" && $#_==1)  # wipe storage qualifier from lea
        {   $_[1] =~ s/^[^\[]*\[/\[/o;  }
+       elsif ($opcode eq "clflush" && $#_==0)
+       {   $_[0] =~ s/^[^\[]*\[/\[/o;  }
     }
     &::emit($opcode,@_);
   1;
@@ -34,6 +43,8 @@ sub get_mem
 { my($size,$addr,$reg1,$reg2,$idx)=@_;
   my($post,$ret);
 
+    if (!defined($idx) && 1*$reg2) { $idx=$reg2; $reg2=$reg1; undef $reg1; }
+
     if ($size ne "")
     {  $ret .= "$size";
        $ret .= " PTR" if ($::mwerks);
@@ -115,7 +126,7 @@ sub ::file_end
 {   if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out)
     {  my $comm=<<___;
 ${drdecor}segment      .bss
-${drdecor}common       ${nmdecor}OPENSSL_ia32cap_P 8
+${drdecor}common       ${nmdecor}OPENSSL_ia32cap_P 16
 ___
        # comment out OPENSSL_ia32cap_P declarations
        grep {s/(^extern\s+${nmdecor}OPENSSL_ia32cap_P)/\;$1/} @out;
@@ -165,4 +176,11 @@ sub ::dataseg
     else               { push(@out,"section\t.data align=4\n"); }
 }
 
+sub ::safeseh
+{ my $nm=shift;
+    push(@out,"%if     __NASM_VERSION_ID__ >= 0x02030000\n");
+    push(@out,"safeseh ".&::LABEL($nm,$nmdecor.$nm)."\n");
+    push(@out,"%endif\n");
+}
+
 1;