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/rc4/asm/rc4-md5-x86_64.pl | 107 ----------------------
 src/lib/libcrypto/rc4/asm/rc4-x86_64.pl     | 134 ----------------------------
 2 files changed, 241 deletions(-)

(limited to 'src/lib/libcrypto/rc4')

diff --git a/src/lib/libcrypto/rc4/asm/rc4-md5-x86_64.pl b/src/lib/libcrypto/rc4/asm/rc4-md5-x86_64.pl
index 272fa91e1a..501d9e936b 100644
--- a/src/lib/libcrypto/rc4/asm/rc4-md5-x86_64.pl
+++ b/src/lib/libcrypto/rc4/asm/rc4-md5-x86_64.pl
@@ -44,8 +44,6 @@ 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 $xlate) or
@@ -505,111 +503,6 @@ RC4_options:
 .size	RC4_options,.-RC4_options
 ___
 }
-# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
-#		CONTEXT *context,DISPATCHER_CONTEXT *disp)
-if ($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	.Lbody(%rip),%r10
-	cmp	%r10,%rbx		# context->Rip<.Lbody
-	jb	.Lin_prologue
-
-	mov	152($context),%rax	# pull context->Rsp
-
-	lea	.Lepilogue(%rip),%r10
-	cmp	%r10,%rbx		# context->Rip>=.Lepilogue
-	jae	.Lin_prologue
-
-	mov	40(%rax),%r15
-	mov	48(%rax),%r14
-	mov	56(%rax),%r13
-	mov	64(%rax),%r12
-	mov	72(%rax),%rbp
-	mov	80(%rax),%rbx
-	lea	88(%rax),%rax
-
-	mov	%rbx,144($context)	# restore context->Rbx
-	mov	%rbp,160($context)	# restore context->Rbp
-	mov	%r12,216($context)	# restore context->R12
-	mov	%r13,224($context)	# restore context->R12
-	mov	%r14,232($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	$disp,%rsi
-	xor	%rcx,%rcx		# arg1, UNW_FLAG_NHANDLER
-	mov	8(%rsi),%rdx		# arg2, disp->ImageBase
-	mov	0(%rsi),%r8		# arg3, disp->ControlPc
-	mov	16(%rsi),%r9		# arg4, disp->FunctionEntry
-	mov	40(%rsi),%r10		# disp->ContextRecord
-	lea	56(%rsi),%r11		# &disp->HandlerData
-	lea	24(%rsi),%r12		# &disp->EstablisherFrame
-	mov	%r10,32(%rsp)		# arg5
-	mov	%r11,40(%rsp)		# arg6
-	mov	%r12,48(%rsp)		# arg7
-	mov	%rcx,56(%rsp)		# arg8, (NULL)
-	call	*__imp_RtlVirtualUnwind(%rip)
-
-	mov	\$1,%eax		# ExceptionContinueSearch
-	add	\$64,%rsp
-	popfq
-	pop	%r15
-	pop	%r14
-	pop	%r13
-	pop	%r12
-	pop	%rbp
-	pop	%rbx
-	pop	%rdi
-	pop	%rsi
-	ret
-.size	se_handler,.-se_handler
-
-.section	.pdata
-.align	4
-	.rva	.LSEH_begin_$func
-	.rva	.LSEH_end_$func
-	.rva	.LSEH_info_$func
-
-.section	.xdata
-.align	8
-.LSEH_info_$func:
-	.byte	9,0,0,0
-	.rva	se_handler
-___
-}
 
 sub reg_part {
 my ($reg,$conv)=@_;
diff --git a/src/lib/libcrypto/rc4/asm/rc4-x86_64.pl b/src/lib/libcrypto/rc4/asm/rc4-x86_64.pl
index 75750dbf33..2bed1e279f 100755
--- a/src/lib/libcrypto/rc4/asm/rc4-x86_64.pl
+++ b/src/lib/libcrypto/rc4/asm/rc4-x86_64.pl
@@ -105,8 +105,6 @@ $flavour = shift;
 $output  = shift;
 if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
 
-$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
-
 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
 ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
 ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
@@ -528,138 +526,6 @@ RC4_options:
 .size	RC4_options,.-RC4_options
 ___
 
-# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
-#		CONTEXT *context,DISPATCHER_CONTEXT *disp)
-if ($win64) {
-$rec="%rcx";
-$frame="%rdx";
-$context="%r8";
-$disp="%r9";
-
-$code.=<<___;
-.extern	__imp_RtlVirtualUnwind
-.type	stream_se_handler,\@abi-omnipotent
-.align	16
-stream_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<prologue label
-	jb	.Lin_prologue
-
-	mov	152($context),%rax	# pull context->Rsp
-
-	lea	.Lepilogue(%rip),%r10
-	cmp	%r10,%rbx		# context->Rip>=epilogue label
-	jae	.Lin_prologue
-
-	lea	24(%rax),%rax
-
-	mov	-8(%rax),%rbx
-	mov	-16(%rax),%r12
-	mov	-24(%rax),%r13
-	mov	%rbx,144($context)	# restore context->Rbx
-	mov	%r12,216($context)	# restore context->R12
-	mov	%r13,224($context)	# restore context->R13
-
-.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($context)	# restore context->Rdi
-
-	jmp	.Lcommon_seh_exit
-.size	stream_se_handler,.-stream_se_handler
-
-.type	key_se_handler,\@abi-omnipotent
-.align	16
-key_se_handler:
-	push	%rsi
-	push	%rdi
-	push	%rbx
-	push	%rbp
-	push	%r12
-	push	%r13
-	push	%r14
-	push	%r15
-	pushfq
-	sub	\$64,%rsp
-
-	mov	152($context),%rax	# pull context->Rsp
-	mov	8(%rax),%rdi
-	mov	16(%rax),%rsi
-	mov	%rsi,168($context)	# restore context->Rsi
-	mov	%rdi,176($context)	# restore context->Rdi
-
-.Lcommon_seh_exit:
-
-	mov	40($disp),%rdi		# disp->ContextRecord
-	mov	$context,%rsi		# context
-	mov	\$154,%ecx		# sizeof(CONTEXT)
-	.long	0xa548f3fc		# cld; rep movsq
-
-	mov	$disp,%rsi
-	xor	%rcx,%rcx		# arg1, UNW_FLAG_NHANDLER
-	mov	8(%rsi),%rdx		# arg2, disp->ImageBase
-	mov	0(%rsi),%r8		# arg3, disp->ControlPc
-	mov	16(%rsi),%r9		# arg4, disp->FunctionEntry
-	mov	40(%rsi),%r10		# disp->ContextRecord
-	lea	56(%rsi),%r11		# &disp->HandlerData
-	lea	24(%rsi),%r12		# &disp->EstablisherFrame
-	mov	%r10,32(%rsp)		# arg5
-	mov	%r11,40(%rsp)		# arg6
-	mov	%r12,48(%rsp)		# arg7
-	mov	%rcx,56(%rsp)		# arg8, (NULL)
-	call	*__imp_RtlVirtualUnwind(%rip)
-
-	mov	\$1,%eax		# ExceptionContinueSearch
-	add	\$64,%rsp
-	popfq
-	pop	%r15
-	pop	%r14
-	pop	%r13
-	pop	%r12
-	pop	%rbp
-	pop	%rbx
-	pop	%rdi
-	pop	%rsi
-	ret
-.size	key_se_handler,.-key_se_handler
-
-.section	.pdata
-.align	4
-	.rva	.LSEH_begin_RC4
-	.rva	.LSEH_end_RC4
-	.rva	.LSEH_info_RC4
-
-	.rva	.LSEH_begin_private_RC4_set_key
-	.rva	.LSEH_end_private_RC4_set_key
-	.rva	.LSEH_info_private_RC4_set_key
-
-.section	.xdata
-.align	8
-.LSEH_info_RC4:
-	.byte	9,0,0,0
-	.rva	stream_se_handler
-.LSEH_info_private_RC4_set_key:
-	.byte	9,0,0,0
-	.rva	key_se_handler
-___
-}
-
 sub reg_part {
 my ($reg,$conv)=@_;
     if ($reg =~ /%r[0-9]+/)	{ $reg .= $conv; }
-- 
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