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Commit 96f1bb8a authored by Josh Boyer's avatar Josh Boyer Committed by Paul Mackerras
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[POWERPC] Add strncmp to arch/ppc 



Commit 0119536c added an assembly
version of strncmp to PowerPC.  However, it changed a common header
file between arch/ppc and arch/powerpc without adding strncmp to
arch/ppc.  This fixes that omission so that arch/ppc links again.

Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent e91d7119

arch/ppc/kernel/ppc_ksyms.c

+1 −0
Original line number Diff line number Diff line
@@ -88,6 +88,7 @@ EXPORT_SYMBOL(strncpy); 
EXPORT_SYMBOL(strcat);

EXPORT_SYMBOL(strlen);

EXPORT_SYMBOL(strcmp);

EXPORT_SYMBOL(strncmp);



EXPORT_SYMBOL(csum_partial);

EXPORT_SYMBOL(csum_partial_copy_generic);

arch/ppc/lib/string.S

+14 −0
Original line number Diff line number Diff line
@@ -121,6 +121,20 @@ _GLOBAL(strcmp) 
	beq	1b

	blr



_GLOBAL(strncmp)

	PPC_LCMPI r5,0

	beqlr

	mtctr	r5

	addi	r5,r3,-1

	addi	r4,r4,-1

1:	lbzu	r3,1(r5)

	cmpwi	1,r3,0

	lbzu	r0,1(r4)

	subf.	r3,r0,r3

	beqlr	1

	bdnzt	eq,1b

	blr



_GLOBAL(strlen)

	addi	r4,r3,-1

1:	lbzu	r0,1(r4)