File 0011-crypto-aes-asm-aes-s390x.pl-add-CFI-annotations-KMA-.patch of Package openssl-1_1.16402
From f34474dd00118128ed574e838895167efddf7359 Mon Sep 17 00:00:00 2001
From: Patrick Steuer <patrick.steuer@de.ibm.com>
Date: Tue, 14 Feb 2017 11:15:51 +0100
Subject: [PATCH 11/44] crypto/aes/asm/aes-s390x.pl: add CFI annotations (KMA
code path).
Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>
---
crypto/aes/asm/aes-s390x.pl | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/crypto/aes/asm/aes-s390x.pl b/crypto/aes/asm/aes-s390x.pl
index 750f61e87a..6cabdf5069 100644
--- a/crypto/aes/asm/aes-s390x.pl
+++ b/crypto/aes/asm/aes-s390x.pl
@@ -1392,6 +1392,7 @@ $code.=<<___;
.type AES_ctr32_encrypt,\@function
.align 16
AES_ctr32_encrypt:
+.cfi_startproc
xgr %r3,%r4 # flip %r3 and %r4, $out and $len
xgr %r4,%r3
xgr %r3,%r4
@@ -1404,6 +1405,8 @@ $code.=<<___ if (!$softonly);
jl .Lctr32_software
stm${g} $s2,$s3,10*$SIZE_T($sp)
+ .cfi_rel_offset $s2,10*$SIZE_T
+ .cfi_rel_offset $s3,11*$SIZE_T
llgfr $s2,%r0
larl %r1,OPENSSL_s390xcap_P
llihh %r0,0x8000 # check if kma supports the function code
@@ -1413,6 +1416,7 @@ $code.=<<___ if (!$softonly);
jz .Lctr32_nokma
aghi $sp,-112
+ .cfi_adjust_cfa_offset 112
lhi %r1,0x0600
sllg $len,$len,4
or %r0,%r1 # set HS and LAAD flags
@@ -1429,7 +1433,10 @@ $code.=<<___ if (!$softonly);
xc 80(32,$sp),80($sp) # wipe key copy
la $sp,112($sp)
+ .cfi_adjust_cfa_offset -112
lm${g} $s2,$s3,10*$SIZE_T($sp)
+ .cfi_restore $s2
+ .cfi_restore $s3
br $ra
.align 16
@@ -1594,6 +1601,7 @@ $code.=<<___;
lm${g} %r6,$ra,6*$SIZE_T($sp)
br $ra
+.cfi_endproc
.size AES_ctr32_encrypt,.-AES_ctr32_encrypt
___
}
--
2.13.6