From b64270d1e45fe7f3241e4c9b6ce60d5ac89bc2e9 Mon Sep 17 00:00:00 2001
From: beck <>
Date: Wed, 15 May 2002 02:29:21 +0000
Subject: OpenSSL 0.9.7 stable 2002 05 08 merge

---
 src/lib/libcrypto/perlasm/x86unix.pl | 83 ++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

(limited to 'src/lib/libcrypto/perlasm/x86unix.pl')

diff --git a/src/lib/libcrypto/perlasm/x86unix.pl b/src/lib/libcrypto/perlasm/x86unix.pl
index 10a7af8bff..9ceabf0705 100644
--- a/src/lib/libcrypto/perlasm/x86unix.pl
+++ b/src/lib/libcrypto/perlasm/x86unix.pl
@@ -3,6 +3,8 @@
 package x86unix;
 
 $label="L000";
+$const="";
+$constl=0;
 
 $align=($main'aout)?"4":"16";
 $under=($main'aout)?"_":"";
@@ -162,6 +164,8 @@ 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'pushf	{ &out0("pushf"); $stack+=4; }
+sub main'popf	{ &out0("popf"); $stack-=4; }
 sub main'not	{ &out1("notl",@_); }
 sub main'call	{ &out1("call",$under.$_[0]); }
 sub main'ret	{ &out0("ret"); }
@@ -344,6 +348,7 @@ sub main'function_end
 .${func}_end:
 EOF
 	push(@out,$tmp);
+
 	if ($main'cpp)
 		{ push(@out,"\tSIZE($func,.${func}_end-$func)\n"); }
 	elsif ($main'gaswin)
@@ -453,9 +458,87 @@ sub main'set_label
 
 sub main'file_end
 	{
+	if ($const ne "")
+		{
+		push(@out,".section .rodata\n");
+		push(@out,$const);
+		$const="";
+		}
 	}
 
 sub main'data_word
 	{
 	push(@out,"\t.long $_[0]\n");
 	}
+
+# debug output functions: puts, putx, printf
+
+sub main'puts
+	{
+	&pushvars();
+	&main'push('$Lstring' . ++$constl);
+	&main'call('puts');
+	$stack-=4;
+	&main'add("esp",4);
+	&popvars();
+
+	$const .= "Lstring$constl:\n\t.string \"@_[0]\"\n";
+	}
+
+sub main'putx
+	{
+	&pushvars();
+	&main'push($_[0]);
+	&main'push('$Lstring' . ++$constl);
+	&main'call('printf');
+	&main'add("esp",8);
+	$stack-=8;
+	&popvars();
+
+	$const .= "Lstring$constl:\n\t.string \"\%X\"\n";
+	}
+
+sub main'printf
+	{
+	$ostack = $stack;
+	&pushvars();
+	for ($i = @_ - 1; $i >= 0; $i--)
+		{
+		if ($i == 0) # change this to support %s format strings
+			{
+			&main'push('$Lstring' . ++$constl);
+			$const .= "Lstring$constl:\n\t.string \"@_[$i]\"\n";
+			}
+		else
+			{
+			if ($_[$i] =~ /([0-9]*)\(%esp\)/)
+				{
+				&main'push(($1 + $stack - $ostack) . '(%esp)');
+				}
+			else
+				{
+				&main'push($_[$i]);
+				}
+			}
+		}
+	&main'call('printf');
+	$stack-=4*@_;
+	&main'add("esp",4*@_);
+	&popvars();
+	}
+
+sub pushvars
+	{
+	&main'pushf();
+	&main'push("edx");
+	&main'push("ecx");
+	&main'push("eax");
+	}
+
+sub popvars
+	{
+	&main'pop("eax");
+	&main'pop("ecx");
+	&main'pop("edx");
+	&main'popf();
+	}
-- 
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