Rework build: add special cases for AIX

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

diff --git a/crypto/perlasm/x86nasm.pl b/crypto/perlasm/x86nasm.pl
index 0ec03ff8e0a6fe0142d9f30b31002462ee5c4064..7017b88e80a3951ff025622a68ce9b9bfff188ef 100644 (file)
--- a/crypto/perlasm/x86nasm.pl
+++ b/crypto/perlasm/x86nasm.pl
@@ -1,11 +1,18 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 1999-2018 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (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;
 
 *out=\@::out;
 
-$::lbdecor="\@L";              # local label decoration
-$nmdecor=$::netware?"":"_";    # external name decoration
+$::lbdecor="L\$";              # local label decoration
+$nmdecor="_";                  # external name decoration
 $drdecor=$::mwerks?".":"";     # directive decoration
 
 $initseg="";
@@ -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);
@@ -67,6 +78,7 @@ sub get_mem
 }
 sub ::BP       { &get_mem("BYTE",@_);  }
 sub ::DWP      { &get_mem("DWORD",@_); }
+sub ::WP       { &get_mem("WORD",@_);  }
 sub ::QWP      { &get_mem("",@_);      }
 sub ::BC       { (($::mwerks)?"":"BYTE ")."@_";  }
 sub ::DWC      { (($::mwerks)?"":"DWORD ")."@_"; }
@@ -75,10 +87,13 @@ sub ::file
 {   if ($::mwerks)     { push(@out,".section\t.text,64\n"); }
     else
     { my $tmp=<<___;
-%ifdef __omf__
+%ifidn __OUTPUT_FORMAT__,obj
 section        code    use32 class=code align=64
-%else
+%elifidn __OUTPUT_FORMAT__,win32
+\$\@feat.00 equ 1
 section        .text   code align=64
+%else
+section        .text   code
 %endif
 ___
        push(@out,$tmp);
@@ -111,13 +126,13 @@ sub ::file_end
 {   if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out)
     {  my $comm=<<___;
 ${drdecor}segment      .bss
-${drdecor}common       ${nmdecor}OPENSSL_ia32cap_P 4
+${drdecor}common       ${nmdecor}OPENSSL_ia32cap_P 16
 ___
        # comment out OPENSSL_ia32cap_P declarations
        grep {s/(^extern\s+${nmdecor}OPENSSL_ia32cap_P)/\;$1/} @out;
        push (@out,$comm)
     }
-    push (@out,$initseg) if ($initseg);                
+    push (@out,$initseg) if ($initseg);
 }
 
 sub ::comment {   foreach (@_) { push(@out,"\t; $_\n"); }   }
@@ -132,7 +147,8 @@ sub ::public_label
 
 sub ::data_byte
 {   push(@out,(($::mwerks)?".byte\t":"db\t").join(',',@_)."\n");       }
-
+sub ::data_short
+{   push(@out,(($::mwerks)?".word\t":"dw\t").join(',',@_)."\n");       }
 sub ::data_word
 {   push(@out,(($::mwerks)?".long\t":"dd\t").join(',',@_)."\n");       }
 
@@ -155,4 +171,16 @@ ___
     }
 }
 
+sub ::dataseg
+{   if ($mwerks)       { push(@out,".section\t.data,4\n");   }
+    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;