From b8e088b53dabff9eeb33721c6fa4e60831bf9797 Mon Sep 17 00:00:00 2001
From: jsing <>
Date: Wed, 30 Apr 2014 13:40:02 +0000
Subject: First pass at removing win64 support from the assembly generating
 Perl scripts. We certainly do not need an identical copy of the win64
 exception handler in each script (surely one copy would be sufficient).

ok miod@
---
 src/lib/libcrypto/md5/asm/md5-x86_64.pl | 106 --------------------------------
 1 file changed, 106 deletions(-)

(limited to 'src/lib/libcrypto/md5')

diff --git a/src/lib/libcrypto/md5/asm/md5-x86_64.pl b/src/lib/libcrypto/md5/asm/md5-x86_64.pl
index f11224d172..c902a1b532 100755
--- a/src/lib/libcrypto/md5/asm/md5-x86_64.pl
+++ b/src/lib/libcrypto/md5/asm/md5-x86_64.pl
@@ -112,8 +112,6 @@ my $flavour = shift;
 my $output  = shift;
 if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
 
-my $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
-
 $0 =~ m/(.*[\/\\])[^\/\\]+$/; my $dir=$1; my $xlate;
 ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
 ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
@@ -261,110 +259,6 @@ $code .= <<EOF;
 .size md5_block_asm_data_order,.-md5_block_asm_data_order
 EOF
 
-# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
-#		CONTEXT *context,DISPATCHER_CONTEXT *disp)
-if ($win64) {
-my $rec="%rcx";
-my $frame="%rdx";
-my $context="%r8";
-my $disp="%r9";
-
-$code.=<<___;
-.extern	__imp_RtlVirtualUnwind
-.type	se_handler,\@abi-omnipotent
-.align	16
-se_handler:
-	push	%rsi
-	push	%rdi
-	push	%rbx
-	push	%rbp
-	push	%r12
-	push	%r13
-	push	%r14
-	push	%r15
-	pushfq
-	sub	\$64,%rsp
-
-	mov	120($context),%rax	# pull context->Rax
-	mov	248($context),%rbx	# pull context->Rip
-
-	lea	.Lprologue(%rip),%r10
-	cmp	%r10,%rbx		# context->Rip<.Lprologue
-	jb	.Lin_prologue
-
-	mov	152($context),%rax	# pull context->Rsp
-
-	lea	.Lepilogue(%rip),%r10
-	cmp	%r10,%rbx		# context->Rip>=.Lepilogue
-	jae	.Lin_prologue
-
-	lea	40(%rax),%rax
-
-	mov	-8(%rax),%rbp
-	mov	-16(%rax),%rbx
-	mov	-24(%rax),%r12
-	mov	-32(%rax),%r14
-	mov	-40(%rax),%r15
-	mov	%rbx,144($context)	# restore context->Rbx
-	mov	%rbp,160($context)	# restore context->Rbp
-	mov	%r12,216($context)	# restore context->R12
-	mov	%r14,232($context)	# restore context->R14
-	mov	%r15,240($context)	# restore context->R15
-
-.Lin_prologue:
-	mov	8(%rax),%rdi
-	mov	16(%rax),%rsi
-	mov	%rax,152($context)	# restore context->Rsp
-	mov	%rsi,168($context)	# restore context->Rsi
-	mov	%rdi,176($context)	# restore context->Rdi
-
-	mov	40($disp),%rdi		# disp->ContextRecord
-	mov	$context,%rsi		# context
-	mov	\$154,%ecx		# sizeof(CONTEXT)
-	.long	0xa548f3fc		# cld; rep movsq
-
-	mov	$disp,%rsi
-	xor	%rcx,%rcx		# arg1, UNW_FLAG_NHANDLER
-	mov	8(%rsi),%rdx		# arg2, disp->ImageBase
-	mov	0(%rsi),%r8		# arg3, disp->ControlPc
-	mov	16(%rsi),%r9		# arg4, disp->FunctionEntry
-	mov	40(%rsi),%r10		# disp->ContextRecord
-	lea	56(%rsi),%r11		# &disp->HandlerData
-	lea	24(%rsi),%r12		# &disp->EstablisherFrame
-	mov	%r10,32(%rsp)		# arg5
-	mov	%r11,40(%rsp)		# arg6
-	mov	%r12,48(%rsp)		# arg7
-	mov	%rcx,56(%rsp)		# arg8, (NULL)
-	call	*__imp_RtlVirtualUnwind(%rip)
-
-	mov	\$1,%eax		# ExceptionContinueSearch
-	add	\$64,%rsp
-	popfq
-	pop	%r15
-	pop	%r14
-	pop	%r13
-	pop	%r12
-	pop	%rbp
-	pop	%rbx
-	pop	%rdi
-	pop	%rsi
-	ret
-.size	se_handler,.-se_handler
-
-.section	.pdata
-.align	4
-	.rva	.LSEH_begin_md5_block_asm_data_order
-	.rva	.LSEH_end_md5_block_asm_data_order
-	.rva	.LSEH_info_md5_block_asm_data_order
-
-.section	.xdata
-.align	8
-.LSEH_info_md5_block_asm_data_order:
-	.byte	9,0,0,0
-	.rva	se_handler
-___
-}
-
 print $code;
 
 close STDOUT;
-- 
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