-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2007-2016 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 x86gas;
{ my $reg=shift;
if ($reg =~ m/^%e/o) { "l"; }
elsif ($reg =~ m/^%[a-d][hl]$/o) { "b"; }
- elsif ($reg =~ m/^%[xm]/o) { undef; }
+ elsif ($reg =~ m/^%[yxm]/o) { undef; }
else { "w"; }
}
# expand opcode with size suffix;
# prefix numeric constants with $;
sub ::generic
-{ my($opcode,$dst,$src)=@_;
- my($tmp,$suffix,@arg);
-
- if (defined($src))
- { $src =~ s/^(e?[a-dsixphl]{2})$/%$1/o;
- $src =~ s/^(x?mm[0-7])$/%$1/o;
- $src =~ s/^(\-?[0-9]+)$/\$$1/o;
- $src =~ s/^(\-?0x[0-9a-f]+)$/\$$1/o;
- push(@arg,$src);
- }
- if (defined($dst))
- { $dst =~ s/^(\*?)(e?[a-dsixphl]{2})$/$1%$2/o;
- $dst =~ s/^(x?mm[0-7])$/%$1/o;
- $dst =~ s/^(\-?[0-9]+)$/\$$1/o if(!defined($src));
- $dst =~ s/^(\-?0x[0-9a-f]+)$/\$$1/o if(!defined($src));
- push(@arg,$dst);
+{ my($opcode,@arg)=@_;
+ my($suffix,$dst,$src);
+
+ @arg=reverse(@arg);
+
+ for (@arg)
+ { s/^(\*?)(e?[a-dsixphl]{2})$/$1%$2/o; # gp registers
+ s/^([xy]?mm[0-7])$/%$1/o; # xmm/mmx registers
+ s/^(\-?[0-9]+)$/\$$1/o; # constants
+ s/^(\-?0x[0-9a-f]+)$/\$$1/o; # constants
}
+ $dst = $arg[$#arg] if ($#arg>=0);
+ $src = $arg[$#arg-1] if ($#arg>=1);
if ($dst =~ m/^%/o) { $suffix=&opsize($dst); }
elsif ($src =~ m/^%/o) { $suffix=&opsize($src); }
else { $suffix="l"; }
undef $suffix if ($dst =~ m/^%[xm]/o || $src =~ m/^%[xm]/o);
if ($#_==0) { &::emit($opcode); }
- elsif ($opcode =~ m/^j/o && $#_==1) { &::emit($opcode,@arg); }
- elsif ($opcode eq "call" && $#_==1) { &::emit($opcode,@arg); }
- elsif ($opcode =~ m/^set/&& $#_==1) { &::emit($opcode,@arg); }
+ elsif ($#_==1 && $opcode =~ m/^(call|clflush|j|loop|set)/o)
+ { &::emit($opcode,@arg); }
else { &::emit($opcode.$suffix,@arg);}
1;
*::bswap = sub { &::emit("bswap","%$_[0]"); } if (!$::i386);
-*::pshufw = sub
-{ my($dst,$src,$magic)=@_;
- &::emit("pshufw","\$$magic","%$src","%$dst");
-};
-*::shld = sub
-{ my($dst,$src,$bits)=@_;
- &::emit("shldl",$bit eq "cl"?"%cl":"\$$bits","%$src","%$dst");
-};
-*::shrd = sub
-{ my($dst,$src,$bits)=@_;
- &::emit("shrdl",$bit eq "cl"?"%cl":"\$$bits","%$src","%$dst");
-};
-
sub ::DWP
{ my($addr,$reg1,$reg2,$idx)=@_;
my $ret="";
+ if (!defined($idx) && 1*$reg2) { $idx=$reg2; $reg2=$reg1; undef $reg1; }
+
$addr =~ s/^\s+//;
# prepend global references with optional underscore
$addr =~ s/^([^\+\-0-9][^\+\-]*)/&::islabel($1) or "$nmdecor$1"/ige;
}
sub ::QWP { &::DWP(@_); }
sub ::BP { &::DWP(@_); }
+sub ::WP { &::DWP(@_); }
sub ::BC { @_; }
sub ::DWC { @_; }
sub ::file
-{ push(@out,".file\t\"$_[0].s\"\n.text\n"); }
+{ push(@out,".text\n"); }
sub ::function_begin_B
{ my $func=shift;
{ push(@out,".globl\t".&::LABEL($_[0],$nmdecor.$_[0])."\n"); }
sub ::file_end
-{ if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out) {
- my $tmp=".comm\t${nmdecor}OPENSSL_ia32cap_P,4";
- if ($::elf) { push (@out,"$tmp,4\n"); }
- else { push (@out,"$tmp\n"); }
- }
- if ($::macosx)
+{ if ($::macosx)
{ if (%non_lazy_ptr)
{ push(@out,".section __IMPORT,__pointers,non_lazy_symbol_pointers\n");
foreach $i (keys %non_lazy_ptr)
{ push(@out,"$non_lazy_ptr{$i}:\n.indirect_symbol\t$i\n.long\t0\n"); }
}
}
+ if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out) {
+ my $tmp=".comm\t${nmdecor}OPENSSL_ia32cap_P,16";
+ if ($::macosx) { push (@out,"$tmp,2\n"); }
+ elsif ($::elf) { push (@out,"$tmp,4\n"); }
+ else { push (@out,"$tmp\n"); }
+ }
push(@out,$initseg) if ($initseg);
}
sub ::data_byte { push(@out,".byte\t".join(',',@_)."\n"); }
+sub ::data_short{ push(@out,".value\t".join(',',@_)."\n"); }
sub ::data_word { push(@out,".long\t".join(',',@_)."\n"); }
sub ::align
-{ my $val=$_[0],$p2,$i;
+{ my $val=$_[0];
if ($::aout)
- { for ($p2=0;$val!=0;$val>>=1) { $p2++; }
- $val=$p2-1;
+ { $val=int(log($val)/log(2));
$val.=",0x90";
}
push(@out,".align\t$val\n");
sub ::picmeup
{ my($dst,$sym,$base,$reflabel)=@_;
- if ($::pic && ($::elf || $::aout))
+ if (($::pic && ($::elf || $::aout)) || $::macosx)
{ if (!defined($base))
{ &::call(&::label("PIC_me_up"));
&::set_label("PIC_me_up");
&::mov($dst,&::DWP("$indirect-$reflabel",$base));
$non_lazy_ptr{"$nmdecor$sym"}=$indirect;
}
+ elsif ($sym eq "OPENSSL_ia32cap_P" && $::elf>0)
+ { &::lea($dst,&::DWP("$sym-$reflabel",$base)); }
else
{ &::lea($dst,&::DWP("_GLOBAL_OFFSET_TABLE_+[.-$reflabel]",
$base));
sub ::initseg
{ my $f=$nmdecor.shift;
- if ($::elf)
+ if ($::android)
+ { $initseg.=<<___;
+.section .init_array
+.align 4
+.long $f
+___
+ }
+ elsif ($::elf)
{ $initseg.=<<___;
.section .init
call $f
- jmp .Linitalign
-.align $align
-.Linitalign:
___
}
elsif ($::coff)
sub ::dataseg
{ push(@out,".data\n"); }
+*::hidden = sub { push(@out,".hidden\t$nmdecor$_[0]\n"); } if ($::elf);
+
1;