crypto: x86/crc32 - Use local .L symbols for code

Avoid cluttering up the kallsyms symbol table with entries that should
not end up in things like backtraces, as they have undescriptive and
generated identifiers.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Author: ardbiesheuvel

arch/x86/crypto/crc32-pclmul_asm.S

@@ -90,15 +90,15 @@ SYM_FUNC_START(crc32_pclmul_le_16) /* buffer and buffer size are 16 bytes aligne
 	sub     $0x40, LEN
 	add     $0x40, BUF
 	cmp     $0x40, LEN
-	jb      less_64
+	jb      .Lless_64
 
 #ifdef __x86_64__
 	movdqa .Lconstant_R2R1(%rip), CONSTANT
 #else
 	movdqa .Lconstant_R2R1, CONSTANT
 #endif
 
-loop_64:/*  64 bytes Full cache line folding */
+.Lloop_64:/*  64 bytes Full cache line folding */
 	prefetchnta    0x40(BUF)
 	movdqa  %xmm1, %xmm5
 	movdqa  %xmm2, %xmm6
@@ -139,8 +139,8 @@ loop_64:/*  64 bytes Full cache line folding */
 	sub     $0x40, LEN
 	add     $0x40, BUF
 	cmp     $0x40, LEN
-	jge     loop_64
-less_64:/*  Folding cache line into 128bit */
+	jge     .Lloop_64
+.Lless_64:/*  Folding cache line into 128bit */
 #ifdef __x86_64__
 	movdqa  .Lconstant_R4R3(%rip), CONSTANT
 #else
@@ -167,8 +167,8 @@ less_64:/*  Folding cache line into 128bit */
 	pxor    %xmm4, %xmm1
 
 	cmp     $0x10, LEN
-	jb      fold_64
-loop_16:/* Folding rest buffer into 128bit */
+	jb      .Lfold_64
+.Lloop_16:/* Folding rest buffer into 128bit */
 	movdqa  %xmm1, %xmm5
 	pclmulqdq $0x00, CONSTANT, %xmm1
 	pclmulqdq $0x11, CONSTANT, %xmm5
@@ -177,9 +177,9 @@ loop_16:/* Folding rest buffer into 128bit */
 	sub     $0x10, LEN
 	add     $0x10, BUF
 	cmp     $0x10, LEN
-	jge     loop_16
+	jge     .Lloop_16
 
-fold_64:
+.Lfold_64:
 	/* perform the last 64 bit fold, also adds 32 zeroes
 	 * to the input stream */
 	pclmulqdq $0x01, %xmm1, CONSTANT /* R4 * xmm1.low */

arch/x86/crypto/crc32c-pcl-intel-asm_64.S

@@ -49,15 +49,15 @@
 ## ISCSI CRC 32 Implementation with crc32 and pclmulqdq Instruction
 
 .macro LABEL prefix n
-\prefix\n\():
+.L\prefix\n\():
 .endm
 
 .macro JMPTBL_ENTRY i
-.quad crc_\i
+.quad .Lcrc_\i
 .endm
 
 .macro JNC_LESS_THAN j
-	jnc less_than_\j
+	jnc .Lless_than_\j
 .endm
 
 # Define threshold where buffers are considered "small" and routed to more
@@ -108,30 +108,30 @@ SYM_FUNC_START(crc_pcl)
 	neg     %bufp
 	and     $7, %bufp		# calculate the unalignment amount of
 					# the address
-	je      proc_block		# Skip if aligned
+	je      .Lproc_block		# Skip if aligned
 
 	## If len is less than 8 and we're unaligned, we need to jump
 	## to special code to avoid reading beyond the end of the buffer
 	cmp     $8, len
-	jae     do_align
+	jae     .Ldo_align
 	# less_than_8 expects length in upper 3 bits of len_dw
 	# less_than_8_post_shl1 expects length = carryflag * 8 + len_dw[31:30]
 	shl     $32-3+1, len_dw
-	jmp     less_than_8_post_shl1
+	jmp     .Lless_than_8_post_shl1
 
-do_align:
+.Ldo_align:
 	#### Calculate CRC of unaligned bytes of the buffer (if any)
 	movq    (bufptmp), tmp		# load a quadward from the buffer
 	add     %bufp, bufptmp		# align buffer pointer for quadword
 					# processing
 	sub     %bufp, len		# update buffer length
-align_loop:
+.Lalign_loop:
 	crc32b  %bl, crc_init_dw 	# compute crc32 of 1-byte
 	shr     $8, tmp			# get next byte
 	dec     %bufp
-	jne     align_loop
+	jne     .Lalign_loop
 
-proc_block:
+.Lproc_block:
 
 	################################################################
 	## 2) PROCESS  BLOCKS:
@@ -141,11 +141,11 @@ proc_block:
 	movq    len, tmp		# save num bytes in tmp
 
 	cmpq    $128*24, len
-	jae     full_block
+	jae     .Lfull_block
 
-continue_block:
+.Lcontinue_block:
 	cmpq    $SMALL_SIZE, len
-	jb      small
+	jb      .Lsmall
 
 	## len < 128*24
 	movq    $2731, %rax		# 2731 = ceil(2^16 / 24)
@@ -175,7 +175,7 @@ continue_block:
 	################################################################
 	## 2a) PROCESS FULL BLOCKS:
 	################################################################
-full_block:
+.Lfull_block:
 	movl    $128,%eax
 	lea     128*8*2(block_0), block_1
 	lea     128*8*3(block_0), block_2
@@ -190,7 +190,6 @@ full_block:
 	## 3) CRC Array:
 	################################################################
 
-crc_array:
 	i=128
 .rept 128-1
 .altmacro
@@ -243,28 +242,28 @@ LABEL crc_ 0
 	ENDBR
 	mov     tmp, len
 	cmp     $128*24, tmp
-	jae     full_block
+	jae     .Lfull_block
 	cmp     $24, tmp
-	jae     continue_block
+	jae     .Lcontinue_block
 
-less_than_24:
+.Lless_than_24:
 	shl     $32-4, len_dw			# less_than_16 expects length
 						# in upper 4 bits of len_dw
-	jnc     less_than_16
+	jnc     .Lless_than_16
 	crc32q  (bufptmp), crc_init
 	crc32q  8(bufptmp), crc_init
-	jz      do_return
+	jz      .Ldo_return
 	add     $16, bufptmp
 	# len is less than 8 if we got here
 	# less_than_8 expects length in upper 3 bits of len_dw
 	# less_than_8_post_shl1 expects length = carryflag * 8 + len_dw[31:30]
 	shl     $2, len_dw
-	jmp     less_than_8_post_shl1
+	jmp     .Lless_than_8_post_shl1
 
 	#######################################################################
 	## 6) LESS THAN 256-bytes REMAIN AT THIS POINT (8-bits of len are full)
 	#######################################################################
-small:
+.Lsmall:
 	shl $32-8, len_dw		# Prepare len_dw for less_than_256
 	j=256
 .rept 5					# j = {256, 128, 64, 32, 16}
@@ -280,32 +279,32 @@ LABEL less_than_ %j			# less_than_j: Length should be in
 	crc32q  i(bufptmp), crc_init	# Compute crc32 of 8-byte data
 	i=i+8
 .endr
-	jz      do_return		# Return if remaining length is zero
+	jz      .Ldo_return		# Return if remaining length is zero
 	add     $j, bufptmp		# Advance buf
 .endr
 
-less_than_8:				# Length should be stored in
+.Lless_than_8:				# Length should be stored in
 					# upper 3 bits of len_dw
 	shl     $1, len_dw
-less_than_8_post_shl1:
-	jnc     less_than_4
+.Lless_than_8_post_shl1:
+	jnc     .Lless_than_4
 	crc32l  (bufptmp), crc_init_dw	# CRC of 4 bytes
-	jz      do_return		# return if remaining data is zero
+	jz      .Ldo_return		# return if remaining data is zero
 	add     $4, bufptmp
-less_than_4:				# Length should be stored in
+.Lless_than_4:				# Length should be stored in
 					# upper 2 bits of len_dw
 	shl     $1, len_dw
-	jnc     less_than_2
+	jnc     .Lless_than_2
 	crc32w  (bufptmp), crc_init_dw	# CRC of 2 bytes
-	jz      do_return		# return if remaining data is zero
+	jz      .Ldo_return		# return if remaining data is zero
 	add     $2, bufptmp
-less_than_2:				# Length should be stored in the MSB
+.Lless_than_2:				# Length should be stored in the MSB
 					# of len_dw
 	shl     $1, len_dw
-	jnc     less_than_1
+	jnc     .Lless_than_1
 	crc32b  (bufptmp), crc_init_dw	# CRC of 1 byte
-less_than_1:				# Length should be zero
-do_return:
+.Lless_than_1:				# Length should be zero
+.Ldo_return:
 	movq    crc_init, %rax
 	popq    %rsi
 	popq    %rdi