- started to rebuild source layout

1 files changed, 472 insertions, 0 deletions

diff --git a/src/libfreeswan/libcrypto/perlasm/x86unix.pl b/src/libfreeswan/libcrypto/perlasm/x86unix.pl
new file mode 100644
index 000000000..f804b91c9
--- /dev/null
+++ b/src/libfreeswan/libcrypto/perlasm/x86unix.pl
@@ -0,0 +1,472 @@
+#!/usr/bin/perl
+
+package x86unix;
+
+$label="L000";
+
+$align=($main::aout)?"4":"16";
+$under=($main::aout)?"_":"";
+$com_start=($main::sol)?"/":"#";
+
+sub main::asm_init_output { @out=(); }
+sub main::asm_get_output { return(@out); }
+sub main::get_labels { return(@labels); }
+sub main::external_label { push(@labels,@_); }
+
+if ($main::cpp)
+	{
+	$align="ALIGN";
+	$under="";
+	$com_start='/*';
+	$com_end='*/';
+	}
+
+%lb=(	'eax',	'%al',
+	'ebx',	'%bl',
+	'ecx',	'%cl',
+	'edx',	'%dl',
+	'ax',	'%al',
+	'bx',	'%bl',
+	'cx',	'%cl',
+	'dx',	'%dl',
+	);
+
+%hb=(	'eax',	'%ah',
+	'ebx',	'%bh',
+	'ecx',	'%ch',
+	'edx',	'%dh',
+	'ax',	'%ah',
+	'bx',	'%bh',
+	'cx',	'%ch',
+	'dx',	'%dh',
+	);
+
+%regs=(	'eax',	'%eax',
+	'ebx',	'%ebx',
+	'ecx',	'%ecx',
+	'edx',	'%edx',
+	'esi',	'%esi',
+	'edi',	'%edi',
+	'ebp',	'%ebp',
+	'esp',	'%esp',
+	'mm0',  '%mm0',
+	'mm1',  '%mm1',
+	);
+
+%reg_val=(
+	'eax',	0x00,
+	'ebx',	0x03,
+	'ecx',	0x01,
+	'edx',	0x02,
+	'esi',	0x06,
+	'edi',	0x07,
+	'ebp',	0x05,
+	'esp',	0x04,
+	);
+
+sub main::LB
+	{
+	(defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n";
+	return($lb{$_[0]});
+	}
+
+sub main::HB
+	{
+	(defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n";
+	return($hb{$_[0]});
+	}
+
+sub main::DWP
+	{
+	local($addr,$reg1,$reg2,$idx)=@_;
+
+	$ret="";
+	$addr =~ s/(^|[+ \t])([A-Za-z_]+[A-Za-z0-9_]+)($|[+ \t])/$1$under$2$3/;
+	$reg1="$regs{$reg1}" if defined($regs{$reg1});
+	$reg2="$regs{$reg2}" if defined($regs{$reg2});
+	$ret.=$addr if ($addr ne "") && ($addr ne 0);
+	if ($reg2 ne "")
+		{
+		if($idx ne "")
+		    { $ret.="($reg1,$reg2,$idx)"; }
+		else
+		    { $ret.="($reg1,$reg2)"; }
+	        }
+	else
+		{ $ret.="($reg1)" }
+	return($ret);
+	}
+
+sub main::BP
+	{
+	return(&main::DWP(@_));
+	}
+
+sub main::BC
+	{
+	return @_;
+	}
+
+sub main::DWC
+	{
+	return @_;
+	}
+
+#sub main::BP
+#	{
+#	local($addr,$reg1,$reg2,$idx)=@_;
+#
+#	$ret="";
+#
+#	$addr =~ s/(^|[+ \t])([A-Za-z_]+)($|[+ \t])/$1$under$2$3/;
+#	$reg1="$regs{$reg1}" if defined($regs{$reg1});
+#	$reg2="$regs{$reg2}" if defined($regs{$reg2});
+#	$ret.=$addr if ($addr ne "") && ($addr ne 0);
+#	if ($reg2 ne "")
+#		{ $ret.="($reg1,$reg2,$idx)"; }
+#	else
+#		{ $ret.="($reg1)" }
+#	return($ret);
+#	}
+
+sub main::mov	{ &out2("movl",@_); }
+sub main::movb	{ &out2("movb",@_); }
+sub main::and	{ &out2("andl",@_); }
+sub main::or	{ &out2("orl",@_); }
+sub main::shl	{ &out2("sall",@_); }
+sub main::shr	{ &out2("shrl",@_); }
+sub main::xor	{ &out2("xorl",@_); }
+sub main::xorb	{ &out2("xorb",@_); }
+sub main::add	{ &out2("addl",@_); }
+sub main::adc	{ &out2("adcl",@_); }
+sub main::sub	{ &out2("subl",@_); }
+sub main::rotl	{ &out2("roll",@_); }
+sub main::rotr	{ &out2("rorl",@_); }
+sub main::exch	{ &out2("xchg",@_); }
+sub main::cmp	{ &out2("cmpl",@_); }
+sub main::lea	{ &out2("leal",@_); }
+sub main::mul	{ &out1("mull",@_); }
+sub main::div	{ &out1("divl",@_); }
+sub main::jmp	{ &out1("jmp",@_); }
+sub main::jmp_ptr { &out1p("jmp",@_); }
+sub main::je	{ &out1("je",@_); }
+sub main::jle	{ &out1("jle",@_); }
+sub main::jne	{ &out1("jne",@_); }
+sub main::jnz	{ &out1("jnz",@_); }
+sub main::jz	{ &out1("jz",@_); }
+sub main::jge	{ &out1("jge",@_); }
+sub main::jl	{ &out1("jl",@_); }
+sub main::jb	{ &out1("jb",@_); }
+sub main::jc	{ &out1("jc",@_); }
+sub main::jnc	{ &out1("jnc",@_); }
+sub main::jno	{ &out1("jno",@_); }
+sub main::dec	{ &out1("decl",@_); }
+sub main::inc	{ &out1("incl",@_); }
+sub main::push	{ &out1("pushl",@_); $stack+=4; }
+sub main::pop	{ &out1("popl",@_); $stack-=4; }
+sub main::not	{ &out1("notl",@_); }
+sub main::call	{ &out1("call",$under.$_[0]); }
+sub main::ret	{ &out0("ret"); }
+sub main::nop	{ &out0("nop"); }
+
+# The bswapl instruction is new for the 486. Emulate if i386.
+sub main::bswap
+	{
+	if ($main::i386)
+		{
+		&main::comment("bswapl @_");
+		&main::exch(main::HB(@_),main::LB(@_));
+		&main::rotr(@_,16);
+		&main::exch(main::HB(@_),main::LB(@_));
+		}
+	else
+		{
+		&out1("bswapl",@_);
+		}
+	}
+
+sub out2
+	{
+	local($name,$p1,$p2)=@_;
+	local($l,$ll,$t);
+	local(%special)=(	"roll",0xD1C0,"rorl",0xD1C8,
+				"rcll",0xD1D0,"rcrl",0xD1D8,
+				"shll",0xD1E0,"shrl",0xD1E8,
+				"sarl",0xD1F8);
+	
+	if ((defined($special{$name})) && defined($regs{$p1}) && ($p2 == 1))
+		{
+		$op=$special{$name}|$reg_val{$p1};
+		$tmp1=sprintf(".byte %d\n",($op>>8)&0xff);
+		$tmp2=sprintf(".byte %d\t",$op     &0xff);
+		push(@out,$tmp1);
+		push(@out,$tmp2);
+
+		$p2=&conv($p2);
+		$p1=&conv($p1);
+		&main::comment("$name $p2 $p1");
+		return;
+		}
+
+	push(@out,"\t$name\t");
+	$t=&conv($p2).",";
+	$l=length($t);
+	push(@out,$t);
+	$ll=4-($l+9)/8;
+	$tmp1=sprintf("\t" x $ll);
+	push(@out,$tmp1);
+	push(@out,&conv($p1)."\n");
+	}
+
+sub out1
+	{
+	local($name,$p1)=@_;
+	local($l,$t);
+	local(%special)=("bswapl",0x0FC8);
+
+	if ((defined($special{$name})) && defined($regs{$p1}))
+		{
+		$op=$special{$name}|$reg_val{$p1};
+		$tmp1=sprintf(".byte %d\n",($op>>8)&0xff);
+		$tmp2=sprintf(".byte %d\t",$op     &0xff);
+		push(@out,$tmp1);
+		push(@out,$tmp2);
+
+		$p2=&conv($p2);
+		$p1=&conv($p1);
+		&main::comment("$name $p2 $p1");
+		return;
+		}
+
+	push(@out,"\t$name\t".&conv($p1)."\n");
+	}
+
+sub out1p
+	{
+	local($name,$p1)=@_;
+	local($l,$t);
+
+	push(@out,"\t$name\t*".&conv($p1)."\n");
+	}
+
+sub out0
+	{
+	push(@out,"\t$_[0]\n");
+	}
+
+sub conv
+	{
+	local($p)=@_;
+
+#	$p =~ s/0x([0-9A-Fa-f]+)/0$1h/;
+
+	$p=$regs{$p} if (defined($regs{$p}));
+
+	$p =~ s/^(-{0,1}[0-9A-Fa-f]+)$/\$$1/;
+	$p =~ s/^(0x[0-9A-Fa-f]+)$/\$$1/;
+	return $p;
+	}
+
+sub main::file
+	{
+	local($file)=@_;
+
+	local($tmp)=<<"EOF";
+	.file	"$file.s"
+	.version	"01.01"
+EOF
+# Removed the next line from previous infile
+#gcc2_compiled.:
+	push(@out,$tmp);
+	}
+
+sub main::function_begin
+	{
+	local($func)=@_;
+
+	&main::external_label($func);
+	$func=$under.$func;
+
+	local($tmp)=<<"EOF";
+.text
+	.align $align
+.globl $func
+EOF
+	push(@out,$tmp);
+	if ($main::cpp)
+		{ $tmp=push(@out,"\tTYPE($func,\@function)\n"); }
+	elsif ($main::gaswin)
+		{ $tmp=push(@out,"\t.def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); }
+	else	{ $tmp=push(@out,"\t.type\t$func,\@function\n"); }
+	push(@out,"$func:\n");
+	$tmp=<<"EOF";
+	pushl	%ebp
+	pushl	%ebx
+	pushl	%esi
+	pushl	%edi
+
+EOF
+	push(@out,$tmp);
+	$stack=20;
+	}
+
+sub main::function_begin_B
+	{
+	local($func,$extra)=@_;
+
+	&main::external_label($func);
+	$func=$under.$func;
+
+	local($tmp)=<<"EOF";
+.text
+	.align $align
+.globl $func
+EOF
+	push(@out,$tmp);
+	if ($main::cpp)
+		{ push(@out,"\tTYPE($func,\@function)\n"); }
+	elsif ($main::gaswin)
+		{ $tmp=push(@out,"\t.def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); }
+	else	{ push(@out,"\t.type	$func,\@function\n"); }
+	push(@out,"$func:\n");
+	$stack=4;
+	}
+
+sub main::function_end
+	{
+	local($func)=@_;
+
+	$func=$under.$func;
+
+	local($tmp)=<<"EOF";
+	popl	%edi
+	popl	%esi
+	popl	%ebx
+	popl	%ebp
+	ret
+.${func}_end:
+EOF
+	push(@out,$tmp);
+	if ($main::cpp)
+		{ push(@out,"\tSIZE($func,.${func}_end-$func)\n"); }
+	elsif ($main::gaswin)
+                { $tmp=push(@out,"\t.align 4\n"); }
+	else	{ push(@out,"\t.size\t$func,.${func}_end-$func\n"); }
+	push(@out,".ident	\"$func\"\n");
+	$stack=0;
+	%label=();
+	}
+
+sub main::function_end_A
+	{
+	local($func)=@_;
+
+	local($tmp)=<<"EOF";
+	popl	%edi
+	popl	%esi
+	popl	%ebx
+	popl	%ebp
+	ret
+EOF
+	push(@out,$tmp);
+	}
+
+sub main::function_end_B
+	{
+	local($func)=@_;
+
+	$func=$under.$func;
+
+	push(@out,".L_${func}_end:\n");
+	if ($main::cpp)
+		{ push(@out,"\tSIZE($func,.L_${func}_end-$func)\n"); }
+        elsif ($main::gaswin)
+                { push(@out,"\t.align 4\n"); }
+	else	{ push(@out,"\t.size\t$func,.L_${func}_end-$func\n"); }
+	push(@out,".ident	\"desasm.pl\"\n");
+	$stack=0;
+	%label=();
+	}
+
+sub main::wparam
+	{
+	local($num)=@_;
+
+	return(&main::DWP($stack+$num*4,"esp","",0));
+	}
+
+sub main::stack_push
+	{
+	local($num)=@_;
+	$stack+=$num*4;
+	&main::sub("esp",$num*4);
+	}
+
+sub main::stack_pop
+	{
+	local($num)=@_;
+	$stack-=$num*4;
+	&main::add("esp",$num*4);
+	}
+
+sub main::swtmp
+	{
+	return(&main::DWP($_[0]*4,"esp","",0));
+	}
+
+# Should use swtmp, which is above esp.  Linix can trash the stack above esp
+#sub main::wtmp
+#	{
+#	local($num)=@_;
+#
+#	return(&main::DWP(-($num+1)*4,"esp","",0));
+#	}
+
+sub main::comment
+	{
+	foreach (@_)
+		{
+		if (/^\s*$/)
+			{ push(@out,"\n"); }
+		else
+			{ push(@out,"\t$com_start $_ $com_end\n"); }
+		}
+	}
+
+sub main::label
+	{
+	if (!defined($label{$_[0]}))
+		{
+		$label{$_[0]}=".${label}${_[0]}";
+		$label++;
+		}
+	return($label{$_[0]});
+	}
+
+sub main::set_label
+	{
+	if (!defined($label{$_[0]}))
+		{
+		$label{$_[0]}=".${label}${_[0]}";
+		$label++;
+		}
+	push(@out,".align $align\n") if ($_[1] != 0);
+	push(@out,"$label{$_[0]}:\n");
+	}
+
+sub main::file_end
+	{
+	}
+
+sub main::data_word
+	{
+	push(@out,"\t.long $_[0]\n");
+	}
+
+##
+## Additional functions required for MMX and other ops
+##
+sub main::testb { &out2('testb', @_) }
+sub main::movzx { &out2('movzx', @_) }
+sub main::movd { &out2('movd', @_) }
+sub main::emms { &out0('emms', @_) }