diff options
Diffstat (limited to 'crypto/bn/asm')
| -rwxr-xr-x | crypto/bn/asm/armv8-mont.pl | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/crypto/bn/asm/armv8-mont.pl b/crypto/bn/asm/armv8-mont.pl index 54d2e8245f..21ab12bdf0 100755 --- a/crypto/bn/asm/armv8-mont.pl +++ b/crypto/bn/asm/armv8-mont.pl @@ -67,8 +67,8 @@ $n0="x4"; # const BN_ULONG *n0, $num="x5"; # int num); $code.=<<___; +#include "arm_arch.h" #ifndef __KERNEL__ -# include "arm_arch.h" .extern OPENSSL_armv8_rsa_neonized .hidden OPENSSL_armv8_rsa_neonized #endif @@ -78,6 +78,7 @@ $code.=<<___; .type bn_mul_mont,%function .align 5 bn_mul_mont: + AARCH64_SIGN_LINK_REGISTER .Lbn_mul_mont: tst $num,#3 b.ne .Lmul_mont @@ -288,6 +289,7 @@ bn_mul_mont: mov x0,#1 ldp x23,x24,[x29,#48] ldr x29,[sp],#64 + AARCH64_VALIDATE_LINK_REGISTER ret .size bn_mul_mont,.-bn_mul_mont ___ @@ -309,6 +311,8 @@ $code.=<<___; .type bn_mul8x_mont_neon,%function .align 5 bn_mul8x_mont_neon: + // Not adding AARCH64_SIGN_LINK_REGISTER here because bn_mul8x_mont_neon is jumped to + // only from bn_mul_mont which has already signed the return address. stp x29,x30,[sp,#-80]! mov x16,sp stp d8,d9,[sp,#16] @@ -649,6 +653,7 @@ $code.=<<___; ldp d10,d11,[sp,#32] ldp d8,d9,[sp,#16] ldr x29,[sp],#80 + AARCH64_VALIDATE_LINK_REGISTER ret // bx lr .size bn_mul8x_mont_neon,.-bn_mul8x_mont_neon @@ -671,7 +676,8 @@ __bn_sqr8x_mont: cmp $ap,$bp b.ne __bn_mul4x_mont .Lsqr8x_mont: - .inst 0xd503233f // paciasp + // Not adding AARCH64_SIGN_LINK_REGISTER here because __bn_sqr8x_mont is jumped to + // only from bn_mul_mont which has already signed the return address. stp x29,x30,[sp,#-128]! add x29,sp,#0 stp x19,x20,[sp,#16] @@ -1425,7 +1431,8 @@ $code.=<<___; ldp x25,x26,[x29,#64] ldp x27,x28,[x29,#80] ldr x29,[sp],#128 - .inst 0xd50323bf // autiasp + // x30 is loaded earlier + AARCH64_VALIDATE_LINK_REGISTER ret .size __bn_sqr8x_mont,.-__bn_sqr8x_mont ___ @@ -1449,7 +1456,8 @@ $code.=<<___; .type __bn_mul4x_mont,%function .align 5 __bn_mul4x_mont: - .inst 0xd503233f // paciasp + // Not adding AARCH64_SIGN_LINK_REGISTER here because __bn_mul4x_mont is jumped to + // only from bn_mul_mont (or __bn_sqr8x_mont from bn_mul_mont) which has already signed the return address. stp x29,x30,[sp,#-128]! add x29,sp,#0 stp x19,x20,[sp,#16] @@ -1883,7 +1891,8 @@ __bn_mul4x_mont: ldp x25,x26,[x29,#64] ldp x27,x28,[x29,#80] ldr x29,[sp],#128 - .inst 0xd50323bf // autiasp + // x30 loaded earlier + AARCH64_VALIDATE_LINK_REGISTER ret .size __bn_mul4x_mont,.-__bn_mul4x_mont ___ |