From cf5a4c700607ad05bff1e7f6587003ff65ea9146 Mon Sep 17 00:00:00 2001
From: Samuel Neves <sneves@dei.uc.pt>
Date: Thu, 15 Nov 2018 21:06:50 +0000
Subject: chacha20,poly1305: fix up for win64

These don't help us, but it is important to keep this working for when
it's re-added to cryptogams.

Signed-off-by: Samuel Neves <sneves@dei.uc.pt>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 src/crypto/zinc/chacha20/chacha20-x86_64.pl |  2 +-
 src/crypto/zinc/poly1305/poly1305-x86_64.pl | 54 +++++++++++++++--------------
 2 files changed, 29 insertions(+), 27 deletions(-)

(limited to 'src/crypto/zinc')

diff --git a/src/crypto/zinc/chacha20/chacha20-x86_64.pl b/src/crypto/zinc/chacha20/chacha20-x86_64.pl
index 33058bb..031d27b 100644
--- a/src/crypto/zinc/chacha20/chacha20-x86_64.pl
+++ b/src/crypto/zinc/chacha20/chacha20-x86_64.pl
@@ -4045,7 +4045,7 @@ $code.=<<___ if ($avx);
 	.long	0xa0,0
 ___
 $code.=<<___ if ($avx>1);
-.LSEH_info_chacha20_8x:
+.LSEH_info_chacha20_avx2:
 	.byte	9,0,0,0
 	.rva	simd_handler
 	.rva	.L8x_body,.L8x_epilogue			# HandlerData[]
diff --git a/src/crypto/zinc/poly1305/poly1305-x86_64.pl b/src/crypto/zinc/poly1305/poly1305-x86_64.pl
index 8de1d1f..4456a1e 100644
--- a/src/crypto/zinc/poly1305/poly1305-x86_64.pl
+++ b/src/crypto/zinc/poly1305/poly1305-x86_64.pl
@@ -128,7 +128,7 @@ ___
 
 if ($avx) {
 $code.=<<___ if $kernel;
-.section .rodata # .cst192.Lconst, "aM", @progbits, 192
+.section .rodata
 ___
 $code.=<<___;
 .align	64
@@ -231,12 +231,12 @@ ___
 $code.=<<___ if (!$kernel);
 .extern	OPENSSL_ia32cap_P
 
-.globl	poly1305_init
-.hidden	poly1305_init
-.globl	poly1305_blocks
-.hidden	poly1305_blocks
-.globl	poly1305_emit
-.hidden	poly1305_emit
+.globl	poly1305_init_x86_64
+.hidden	poly1305_init_x86_64
+.globl	poly1305_blocks_x86_64
+.hidden	poly1305_blocks_x86_64
+.globl	poly1305_emit_x86_64
+.hidden	poly1305_emit_x86_64
 ___
 &declare_function("poly1305_init_x86_64", 32, 3);
 $code.=<<___;
@@ -249,10 +249,10 @@ $code.=<<___;
 	je	.Lno_key
 ___
 $code.=<<___ if (!$kernel);
-	lea	poly1305_blocks(%rip),%r10
-	lea	poly1305_emit(%rip),%r11
+	lea	poly1305_blocks_x86_64(%rip),%r10
+	lea	poly1305_emit_x86_64(%rip),%r11
 ___
-$code.=<<___	if (!$kernel && $avx);
+$code.=<<___	if (!$kernel && $avx && 1);
 	mov	OPENSSL_ia32cap_P+4(%rip),%r9
 	lea	poly1305_blocks_avx(%rip),%rax
 	lea	poly1305_emit_avx(%rip),%rcx
@@ -260,12 +260,12 @@ $code.=<<___	if (!$kernel && $avx);
 	cmovc	%rax,%r10
 	cmovc	%rcx,%r11
 ___
-$code.=<<___	if (!$kernel && $avx>1);
+$code.=<<___	if (!$kernel && $avx>1 && 1);
 	lea	poly1305_blocks_avx2(%rip),%rax
 	bt	\$`5+32`,%r9		# AVX2?
 	cmovc	%rax,%r10
 ___
-$code.=<<___	if (!$kernel && $avx>3);
+$code.=<<___	if (!$kernel && $avx>3 && 0);
 	mov	\$`(1<<31|1<<21|1<<16)`,%rax
 	shr	\$32,%r9
 	and	%rax,%r9
@@ -2187,6 +2187,7 @@ $code.=<<___	if ($win64);
 	vmovdqa		-0x40(%r10),%xmm13
 	vmovdqa		-0x30(%r10),%xmm14
 	vmovdqa		-0x20(%r10),%xmm15
+	lea		-8(%r10),%rsp
 .Ldo_avx2_epilogue$suffix:
 ___
 $code.=<<___	if (!$win64);
@@ -2778,6 +2779,7 @@ $code.=<<___	if ($win64);
 	movdqa		-0x40(%r10),%xmm13
 	movdqa		-0x30(%r10),%xmm14
 	movdqa		-0x20(%r10),%xmm15
+	lea		-8(%r10),%rsp
 .Ldo_avx512_epilogue:
 ___
 $code.=<<___	if (!$win64);
@@ -4110,17 +4112,17 @@ avx_handler:
 
 .section	.pdata
 .align	4
-	.rva	.LSEH_begin_poly1305_init
-	.rva	.LSEH_end_poly1305_init
-	.rva	.LSEH_info_poly1305_init
+	.rva	.LSEH_begin_poly1305_init_x86_64
+	.rva	.LSEH_end_poly1305_init_x86_64
+	.rva	.LSEH_info_poly1305_init_x86_64
 
-	.rva	.LSEH_begin_poly1305_blocks
-	.rva	.LSEH_end_poly1305_blocks
-	.rva	.LSEH_info_poly1305_blocks
+	.rva	.LSEH_begin_poly1305_blocks_x86_64
+	.rva	.LSEH_end_poly1305_blocks_x86_64
+	.rva	.LSEH_info_poly1305_blocks_x86_64
 
-	.rva	.LSEH_begin_poly1305_emit
-	.rva	.LSEH_end_poly1305_emit
-	.rva	.LSEH_info_poly1305_emit
+	.rva	.LSEH_begin_poly1305_emit_x86_64
+	.rva	.LSEH_end_poly1305_emit_x86_64
+	.rva	.LSEH_info_poly1305_emit_x86_64
 ___
 $code.=<<___ if ($avx);
 	.rva	.LSEH_begin_poly1305_blocks_avx
@@ -4160,20 +4162,20 @@ ___
 $code.=<<___;
 .section	.xdata
 .align	8
-.LSEH_info_poly1305_init:
+.LSEH_info_poly1305_init_x86_64:
 	.byte	9,0,0,0
 	.rva	se_handler
-	.rva	.LSEH_begin_poly1305_init,.LSEH_begin_poly1305_init
+	.rva	.LSEH_begin_poly1305_init_x86_64,.LSEH_begin_poly1305_init_x86_64
 
-.LSEH_info_poly1305_blocks:
+.LSEH_info_poly1305_blocks_x86_64:
 	.byte	9,0,0,0
 	.rva	se_handler
 	.rva	.Lblocks_body,.Lblocks_epilogue
 
-.LSEH_info_poly1305_emit:
+.LSEH_info_poly1305_emit_x86_64:
 	.byte	9,0,0,0
 	.rva	se_handler
-	.rva	.LSEH_begin_poly1305_emit,.LSEH_begin_poly1305_emit
+	.rva	.LSEH_begin_poly1305_emit_x86_64,.LSEH_begin_poly1305_emit_x86_64
 ___
 $code.=<<___ if ($avx);
 .LSEH_info_poly1305_blocks_avx_1:
-- 
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