[PATCH 6/7] s390x-asm: move constant data to read-only section

[Jussi Kivilinna]

* cipher/chacha20-s390x.S: Move constant data to read-only
section; Align functions to 16 bytes.
* cipher/poly1305-s390x.S: Likewise.
--

Signed-off-by: Jussi Kivilinna <jussi.kivilinna at iki.fi>
---
 cipher/chacha20-s390x.S | 15 ++++++++++-----
 cipher/poly1305-s390x.S |  2 +-
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/cipher/chacha20-s390x.S b/cipher/chacha20-s390x.S
index 9b1d59c6..5a931998 100644
--- a/cipher/chacha20-s390x.S
+++ b/cipher/chacha20-s390x.S
@@ -26,9 +26,12 @@
 #include "asm-poly1305-s390x.h"
 
 .machine "z13+vx"
-.text
 
+.section .rodata
+
+ELF(.type _gcry_chacha20_s390x_vx_constants, at function;)
 .balign 16
+_gcry_chacha20_s390x_vx_constants:
 .Lconsts:
 .Lwordswap:
 	.byte 12, 13, 14, 15, 8, 9, 10, 11, 4, 5, 6, 7, 0, 1, 2, 3
@@ -302,7 +305,9 @@
   4-way && 2-way && 1-way chacha20 ("horizontal")
  **********************************************************************/
 
-.balign 8
+.text
+
+.balign 16
 .globl _gcry_chacha20_s390x_vx_blocks4_2_1
 ELF(.type _gcry_chacha20_s390x_vx_blocks4_2_1, at function;)
 
@@ -578,7 +583,7 @@ ELF(.size _gcry_chacha20_s390x_vx_blocks4_2_1,
   4-way && 2-way && 1-way stitched chacha20-poly1305 ("horizontal")
  **********************************************************************/
 
-.balign 8
+.balign 16
 .globl _gcry_chacha20_poly1305_s390x_vx_blocks4_2_1
 ELF(.type _gcry_chacha20_poly1305_s390x_vx_blocks4_2_1, at function;)
 
@@ -1058,7 +1063,7 @@ ELF(.size _gcry_chacha20_poly1305_s390x_vx_blocks4_2_1,
 	  vpdi vc, tmpc,   vd, 0;				\
 	  vpdi vd, tmpc,   vd, 5;
 
-.balign 8
+.balign 16
 .globl _gcry_chacha20_s390x_vx_blocks8
 ELF(.type _gcry_chacha20_s390x_vx_blocks8, at function;)
 
@@ -1276,7 +1281,7 @@ ELF(.size _gcry_chacha20_s390x_vx_blocks8,
   8-way stitched chacha20-poly1305 ("vertical")
  **********************************************************************/
 
-.balign 8
+.balign 16
 .globl _gcry_chacha20_poly1305_s390x_vx_blocks8
 ELF(.type _gcry_chacha20_poly1305_s390x_vx_blocks8, at function;)
 
diff --git a/cipher/poly1305-s390x.S b/cipher/poly1305-s390x.S
index 28bed560..5ba424e4 100644
--- a/cipher/poly1305-s390x.S
+++ b/cipher/poly1305-s390x.S
@@ -26,7 +26,7 @@
 
 .text
 
-.balign 8
+.balign 16
 .globl _gcry_poly1305_s390x_blocks1
 ELF(.type _gcry_poly1305_s390x_blocks1, at function;)
 
-- 
2.37.2