crypto: x86/sha - 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/sha1_avx2_x86_64_asm.S

@@ -485,18 +485,18 @@
 	xchg	WK_BUF, PRECALC_BUF
 
 	.align 32
-_loop:
+.L_loop:
 	/*
 	 * code loops through more than one block
 	 * we use K_BASE value as a signal of a last block,
 	 * it is set below by: cmovae BUFFER_PTR, K_BASE
 	 */
 	test BLOCKS_CTR, BLOCKS_CTR
-	jnz _begin
+	jnz .L_begin
 	.align 32
-	jmp	_end
+	jmp	.L_end
 	.align 32
-_begin:
+.L_begin:
 
 	/*
 	 * Do first block
@@ -508,9 +508,6 @@ _begin:
 		.set j, j+2
 	.endr
 
-	jmp _loop0
-_loop0:
-
 	/*
 	 * rounds:
 	 * 10,12,14,16,18
@@ -545,7 +542,7 @@ _loop0:
 	UPDATE_HASH	16(HASH_PTR), E
 
 	test	BLOCKS_CTR, BLOCKS_CTR
-	jz	_loop
+	jz	.L_loop
 
 	mov	TB, B
 
@@ -562,8 +559,6 @@ _loop0:
 		.set j, j+2
 	.endr
 
-	jmp	_loop1
-_loop1:
 	/*
 	 * rounds
 	 * 20+80,22+80,24+80,26+80,28+80
@@ -574,9 +569,6 @@ _loop1:
 		.set j, j+2
 	.endr
 
-	jmp	_loop2
-_loop2:
-
 	/*
 	 * rounds
 	 * 40+80,42+80,44+80,46+80,48+80
@@ -592,9 +584,6 @@ _loop2:
 	/* Move to the next block only if needed*/
 	ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 4, 128
 
-	jmp	_loop3
-_loop3:
-
 	/*
 	 * rounds
 	 * 60+80,62+80,64+80,66+80,68+80
@@ -623,10 +612,10 @@ _loop3:
 
 	xchg	WK_BUF, PRECALC_BUF
 
-	jmp	_loop
+	jmp	.L_loop
 
 	.align 32
-	_end:
+.L_end:
 
 .endm
 /*

arch/x86/crypto/sha256-avx-asm.S

@@ -360,7 +360,7 @@ SYM_TYPED_FUNC_START(sha256_transform_avx)
 	and	$~15, %rsp		# align stack pointer
 
 	shl     $6, NUM_BLKS		# convert to bytes
-	jz      done_hash
+	jz      .Ldone_hash
 	add     INP, NUM_BLKS		# pointer to end of data
 	mov     NUM_BLKS, _INP_END(%rsp)
 
@@ -377,7 +377,7 @@ SYM_TYPED_FUNC_START(sha256_transform_avx)
 	vmovdqa  PSHUFFLE_BYTE_FLIP_MASK(%rip), BYTE_FLIP_MASK
 	vmovdqa  _SHUF_00BA(%rip), SHUF_00BA
 	vmovdqa  _SHUF_DC00(%rip), SHUF_DC00
-loop0:
+.Lloop0:
 	lea     K256(%rip), TBL
 
 	## byte swap first 16 dwords
@@ -391,7 +391,7 @@ loop0:
 	## schedule 48 input dwords, by doing 3 rounds of 16 each
 	mov     $3, SRND
 .align 16
-loop1:
+.Lloop1:
 	vpaddd  (TBL), X0, XFER
 	vmovdqa XFER, _XFER(%rsp)
 	FOUR_ROUNDS_AND_SCHED
@@ -410,10 +410,10 @@ loop1:
 	FOUR_ROUNDS_AND_SCHED
 
 	sub     $1, SRND
-	jne     loop1
+	jne     .Lloop1
 
 	mov     $2, SRND
-loop2:
+.Lloop2:
 	vpaddd  (TBL), X0, XFER
 	vmovdqa XFER, _XFER(%rsp)
 	DO_ROUND        0
@@ -433,7 +433,7 @@ loop2:
 	vmovdqa X3, X1
 
 	sub     $1, SRND
-	jne     loop2
+	jne     .Lloop2
 
 	addm    (4*0)(CTX),a
 	addm    (4*1)(CTX),b
@@ -447,9 +447,9 @@ loop2:
 	mov     _INP(%rsp), INP
 	add     $64, INP
 	cmp     _INP_END(%rsp), INP
-	jne     loop0
+	jne     .Lloop0
 
-done_hash:
+.Ldone_hash:
 
 	mov	%rbp, %rsp
 	popq	%rbp

arch/x86/crypto/sha256-avx2-asm.S

@@ -538,12 +538,12 @@ SYM_TYPED_FUNC_START(sha256_transform_rorx)
 	and	$-32, %rsp	# align rsp to 32 byte boundary
 
 	shl	$6, NUM_BLKS	# convert to bytes
-	jz	done_hash
+	jz	.Ldone_hash
 	lea	-64(INP, NUM_BLKS), NUM_BLKS # pointer to last block
 	mov	NUM_BLKS, _INP_END(%rsp)
 
 	cmp	NUM_BLKS, INP
-	je	only_one_block
+	je	.Lonly_one_block
 
 	## load initial digest
 	mov	(CTX), a
@@ -561,7 +561,7 @@ SYM_TYPED_FUNC_START(sha256_transform_rorx)
 
 	mov	CTX, _CTX(%rsp)
 
-loop0:
+.Lloop0:
 	## Load first 16 dwords from two blocks
 	VMOVDQ	0*32(INP),XTMP0
 	VMOVDQ	1*32(INP),XTMP1
@@ -580,15 +580,15 @@ loop0:
 	vperm2i128	$0x20, XTMP3, XTMP1, X2
 	vperm2i128	$0x31, XTMP3, XTMP1, X3
 
-last_block_enter:
+.Llast_block_enter:
 	add	$64, INP
 	mov	INP, _INP(%rsp)
 
 	## schedule 48 input dwords, by doing 3 rounds of 12 each
 	xor	SRND, SRND
 
 .align 16
-loop1:
+.Lloop1:
 	leaq	K256+0*32(%rip), INP		## reuse INP as scratch reg
 	vpaddd	(INP, SRND), X0, XFER
 	vmovdqa XFER, 0*32+_XFER(%rsp, SRND)
@@ -611,9 +611,9 @@ loop1:
 
 	add	$4*32, SRND
 	cmp	$3*4*32, SRND
-	jb	loop1
+	jb	.Lloop1
 
-loop2:
+.Lloop2:
 	## Do last 16 rounds with no scheduling
 	leaq	K256+0*32(%rip), INP
 	vpaddd	(INP, SRND), X0, XFER
@@ -630,7 +630,7 @@ loop2:
 	vmovdqa	X3, X1
 
 	cmp	$4*4*32, SRND
-	jb	loop2
+	jb	.Lloop2
 
 	mov	_CTX(%rsp), CTX
 	mov	_INP(%rsp), INP
@@ -645,17 +645,17 @@ loop2:
 	addm    (4*7)(CTX),h
 
 	cmp	_INP_END(%rsp), INP
-	ja	done_hash
+	ja	.Ldone_hash
 
 	#### Do second block using previously scheduled results
 	xor	SRND, SRND
 .align 16
-loop3:
+.Lloop3:
 	DO_4ROUNDS	 _XFER + 0*32 + 16
 	DO_4ROUNDS	 _XFER + 1*32 + 16
 	add	$2*32, SRND
 	cmp	$4*4*32, SRND
-	jb	loop3
+	jb	.Lloop3
 
 	mov	_CTX(%rsp), CTX
 	mov	_INP(%rsp), INP
@@ -671,10 +671,10 @@ loop3:
 	addm    (4*7)(CTX),h
 
 	cmp	_INP_END(%rsp), INP
-	jb	loop0
-	ja	done_hash
+	jb	.Lloop0
+	ja	.Ldone_hash
 
-do_last_block:
+.Ldo_last_block:
 	VMOVDQ	0*16(INP),XWORD0
 	VMOVDQ	1*16(INP),XWORD1
 	VMOVDQ	2*16(INP),XWORD2
@@ -685,9 +685,9 @@ do_last_block:
 	vpshufb	X_BYTE_FLIP_MASK, XWORD2, XWORD2
 	vpshufb	X_BYTE_FLIP_MASK, XWORD3, XWORD3
 
-	jmp	last_block_enter
+	jmp	.Llast_block_enter
 
-only_one_block:
+.Lonly_one_block:
 
 	## load initial digest
 	mov	(4*0)(CTX),a
@@ -704,9 +704,9 @@ only_one_block:
 	vmovdqa	_SHUF_DC00(%rip), SHUF_DC00
 
 	mov	CTX, _CTX(%rsp)
-	jmp	do_last_block
+	jmp	.Ldo_last_block
 
-done_hash:
+.Ldone_hash:
 
 	mov	%rbp, %rsp
 	pop	%rbp

arch/x86/crypto/sha256-ssse3-asm.S

@@ -369,7 +369,7 @@ SYM_TYPED_FUNC_START(sha256_transform_ssse3)
 	and	$~15, %rsp
 
 	shl     $6, NUM_BLKS		 # convert to bytes
-	jz      done_hash
+	jz      .Ldone_hash
 	add     INP, NUM_BLKS
 	mov     NUM_BLKS, _INP_END(%rsp) # pointer to end of data
 
@@ -387,7 +387,7 @@ SYM_TYPED_FUNC_START(sha256_transform_ssse3)
 	movdqa  _SHUF_00BA(%rip), SHUF_00BA
 	movdqa  _SHUF_DC00(%rip), SHUF_DC00
 
-loop0:
+.Lloop0:
 	lea     K256(%rip), TBL
 
 	## byte swap first 16 dwords
@@ -401,7 +401,7 @@ loop0:
 	## schedule 48 input dwords, by doing 3 rounds of 16 each
 	mov     $3, SRND
 .align 16
-loop1:
+.Lloop1:
 	movdqa  (TBL), XFER
 	paddd   X0, XFER
 	movdqa  XFER, _XFER(%rsp)
@@ -424,10 +424,10 @@ loop1:
 	FOUR_ROUNDS_AND_SCHED
 
 	sub     $1, SRND
-	jne     loop1
+	jne     .Lloop1
 
 	mov     $2, SRND
-loop2:
+.Lloop2:
 	paddd   (TBL), X0
 	movdqa  X0, _XFER(%rsp)
 	DO_ROUND        0
@@ -446,7 +446,7 @@ loop2:
 	movdqa  X3, X1
 
 	sub     $1, SRND
-	jne     loop2
+	jne     .Lloop2
 
 	addm    (4*0)(CTX),a
 	addm    (4*1)(CTX),b
@@ -460,9 +460,9 @@ loop2:
 	mov     _INP(%rsp), INP
 	add     $64, INP
 	cmp     _INP_END(%rsp), INP
-	jne     loop0
+	jne     .Lloop0
 
-done_hash:
+.Ldone_hash:
 
 	mov	%rbp, %rsp
 	popq	%rbp

arch/x86/crypto/sha512-avx-asm.S

@@ -276,7 +276,7 @@ frame_size = frame_WK + WK_SIZE
 ########################################################################
 SYM_TYPED_FUNC_START(sha512_transform_avx)
 	test msglen, msglen
-	je nowork
+	je .Lnowork
 
 	# Save GPRs
 	push	%rbx
@@ -291,7 +291,7 @@ SYM_TYPED_FUNC_START(sha512_transform_avx)
 	sub     $frame_size, %rsp
 	and	$~(0x20 - 1), %rsp
 
-updateblock:
+.Lupdateblock:
 
 	# Load state variables
 	mov     DIGEST(0), a_64
@@ -348,7 +348,7 @@ updateblock:
 	# Advance to next message block
 	add     $16*8, msg
 	dec     msglen
-	jnz     updateblock
+	jnz     .Lupdateblock
 
 	# Restore Stack Pointer
 	mov	%rbp, %rsp
@@ -361,7 +361,7 @@ updateblock:
 	pop	%r12
 	pop	%rbx
 
-nowork:
+.Lnowork:
 	RET
 SYM_FUNC_END(sha512_transform_avx)