linux-stable/arch/sparc/include/asm/string.h
Masahiro Yamada 51e4064179 sparc: revive __HAVE_ARCH_STRLEN for 32bit sparc
Prior to commit 70a6fcf328 ("[sparc] unify 32bit and 64bit string.h"),
__HAVE_ARCH_STRLEN was defined in both of string_32.h and string_64.h

It did not unify __HAVE_ARCH_STRLEN, but deleted it from string_32.h

This issue was reported by the kbuild test robot in the trial of
forcible linking of $(lib-y) to vmlinux.

Fixes: 70a6fcf328 ("[sparc] unify 32bit and 64bit string.h")
Reported-by: kbuild test robot <lkp@intel.com>
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: David S. Miller <davem@davemloft.net>
2020-03-25 10:19:43 +09:00

47 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ___ASM_SPARC_STRING_H
#define ___ASM_SPARC_STRING_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm/string_64.h>
#else
#include <asm/string_32.h>
#endif
/* First the mem*() things. */
#define __HAVE_ARCH_MEMMOVE
void *memmove(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMCPY
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
#define __HAVE_ARCH_MEMSET
#define memset(s, c, count) __builtin_memset(s, c, count)
#define __HAVE_ARCH_MEMSCAN
#define memscan(__arg0, __char, __arg2) \
({ \
void *__memscan_zero(void *, size_t); \
void *__memscan_generic(void *, int, size_t); \
void *__retval, *__addr = (__arg0); \
size_t __size = (__arg2); \
\
if(__builtin_constant_p(__char) && !(__char)) \
__retval = __memscan_zero(__addr, __size); \
else \
__retval = __memscan_generic(__addr, (__char), __size); \
\
__retval; \
})
#define __HAVE_ARCH_MEMCMP
int memcmp(const void *,const void *,__kernel_size_t);
/* Now the str*() stuff... */
#define __HAVE_ARCH_STRLEN
__kernel_size_t strlen(const char *);
#define __HAVE_ARCH_STRNCMP
int strncmp(const char *, const char *, __kernel_size_t);
#endif