[sm4][aarch64] Move constant to .rodata section

Reviewed-by: Saša Nedvědický <sashan@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26509)

diff --git a/crypto/sm4/asm/sm4-armv8.pl b/crypto/sm4/asm/sm4-armv8.pl
index 7358a6e6a2cffc544501000a7fef75c807731d43..ad77a89c48bdd63ee8855316cf220134d8e1f57a 100755 (executable)
--- a/crypto/sm4/asm/sm4-armv8.pl
+++ b/crypto/sm4/asm/sm4-armv8.pl
@@ -118,7 +118,11 @@ ___
 
 {{{
 $code.=<<___;
+
+.rodata
+.type  _${prefix}_consts,%object
 .align 6
+_${prefix}_consts:
 .Lck:
        .long 0x00070E15, 0x1C232A31, 0x383F464D, 0x545B6269
        .long 0x70777E85, 0x8C939AA1, 0xA8AFB6BD, 0xC4CBD2D9
@@ -130,6 +134,9 @@ $code.=<<___;
        .long 0x10171E25, 0x2C333A41, 0x484F565D, 0x646B7279
 .Lfk:
        .long 0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc
+.size _${prefix}_consts,.-_${prefix}_consts
+.previous
+
 ___
 }}}
 
@@ -146,9 +153,11 @@ $code.=<<___;
 ${prefix}_set_encrypt_key:
        AARCH64_VALID_CALL_TARGET
        ld1     {$key0.4s},[$key]
-       adr     $tmp,.Lfk
+       adrp    $tmp,.Lfk
+       add     $tmp,$tmp,#:lo12:.Lfk
        ld1     {$fkconst.4s},[$tmp]
-       adr     $tmp,.Lck
+       adrp    $tmp,.Lck
+       add     $tmp,$tmp,#:lo12:.Lck
        ld1     {$const0.4s,$const1.4s,$const2.4s,$const3.4s},[$tmp],64
 ___
        &rev32($key0, $key0);
@@ -183,9 +192,11 @@ $code.=<<___;
 ${prefix}_set_decrypt_key:
        AARCH64_VALID_CALL_TARGET
        ld1     {$key0.4s},[$key]
-       adr     $tmp,.Lfk
+       adrp    $tmp,.Lfk
+       add     $tmp,$tmp,#:lo12:.Lfk
        ld1     {$fkconst.4s},[$tmp]
-       adr     $tmp, .Lck
+       adrp    $tmp,.Lck
+       add     $tmp,$tmp,#:lo12:.Lck
        ld1     {$const0.4s,$const1.4s,$const2.4s,$const3.4s},[$tmp],64
 ___
        &rev32($key0, $key0);