summaryrefslogtreecommitdiff
path: root/arch/arm/crypto
diff options
context:
space:
mode:
authorArd Biesheuvel <ardb@kernel.org>2024-06-10 17:26:39 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2024-06-21 22:30:33 +1000
commitff33c2e6af99afcac3024a5c3ec8730d1e6b8ac7 (patch)
tree3817c49ad2bdb463a55e6b19e1e84d2eed7c63d6 /arch/arm/crypto
parent3cbe18b0bc9f0653709adbdadad04491a190c71a (diff)
crypto: arm/crc32 - add kCFI annotations to asm routines
The crc32/crc32c implementations using the scalar CRC32 instructions are accessed via indirect calls, and so they must be annotated with type ids in order to execute correctly when kCFI is enabled. Cc: Kees Cook <keescook@chromium.org> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Kees Cook <kees@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm/crypto')
-rw-r--r--arch/arm/crypto/crc32-ce-core.S17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/arm/crypto/crc32-ce-core.S b/arch/arm/crypto/crc32-ce-core.S
index 3f13a76b9066..88f9edf94e95 100644
--- a/arch/arm/crypto/crc32-ce-core.S
+++ b/arch/arm/crypto/crc32-ce-core.S
@@ -48,6 +48,7 @@
*/
#include <linux/linkage.h>
+#include <linux/cfi_types.h>
#include <asm/assembler.h>
.text
@@ -123,11 +124,12 @@
* uint crc32_pmull_le(unsigned char const *buffer,
* size_t len, uint crc32)
*/
-ENTRY(crc32_pmull_le)
+SYM_FUNC_START(crc32_pmull_le)
adr r3, .Lcrc32_constants
b 0f
+SYM_FUNC_END(crc32_pmull_le)
-ENTRY(crc32c_pmull_le)
+SYM_FUNC_START(crc32c_pmull_le)
adr r3, .Lcrc32c_constants
0: bic LEN, LEN, #15
@@ -236,8 +238,7 @@ fold_64:
vmov r0, s5
bx lr
-ENDPROC(crc32_pmull_le)
-ENDPROC(crc32c_pmull_le)
+SYM_FUNC_END(crc32c_pmull_le)
.macro __crc32, c
subs ip, r2, #8
@@ -296,11 +297,11 @@ ARM_BE8(rev16 r3, r3 )
.endm
.align 5
-ENTRY(crc32_armv8_le)
+SYM_TYPED_FUNC_START(crc32_armv8_le)
__crc32
-ENDPROC(crc32_armv8_le)
+SYM_FUNC_END(crc32_armv8_le)
.align 5
-ENTRY(crc32c_armv8_le)
+SYM_TYPED_FUNC_START(crc32c_armv8_le)
__crc32 c
-ENDPROC(crc32c_armv8_le)
+SYM_FUNC_END(crc32c_armv8_le)