1
2#ifndef _ASM_POWERPC_STRING_H
3#define _ASM_POWERPC_STRING_H
4
5#ifdef __KERNEL__
6
7#ifndef CONFIG_KASAN
8#define __HAVE_ARCH_STRNCPY
9#define __HAVE_ARCH_STRNCMP
10#define __HAVE_ARCH_MEMCHR
11#define __HAVE_ARCH_MEMCMP
12#define __HAVE_ARCH_MEMSET16
13#endif
14
15#define __HAVE_ARCH_MEMSET
16#define __HAVE_ARCH_MEMCPY
17#define __HAVE_ARCH_MEMMOVE
18#define __HAVE_ARCH_MEMCPY_FLUSHCACHE
19
20extern char * strcpy(char *,const char *);
21extern char * strncpy(char *,const char *, __kernel_size_t);
22extern __kernel_size_t strlen(const char *);
23extern int strcmp(const char *,const char *);
24extern int strncmp(const char *, const char *, __kernel_size_t);
25extern char * strcat(char *, const char *);
26extern void * memset(void *,int,__kernel_size_t);
27extern void * memcpy(void *,const void *,__kernel_size_t);
28extern void * memmove(void *,const void *,__kernel_size_t);
29extern int memcmp(const void *,const void *,__kernel_size_t);
30extern void * memchr(const void *,int,__kernel_size_t);
31void memcpy_flushcache(void *dest, const void *src, size_t size);
32
33void *__memset(void *s, int c, __kernel_size_t count);
34void *__memcpy(void *to, const void *from, __kernel_size_t n);
35void *__memmove(void *to, const void *from, __kernel_size_t n);
36
37#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
38
39
40
41
42#define memcpy(dst, src, len) __memcpy(dst, src, len)
43#define memmove(dst, src, len) __memmove(dst, src, len)
44#define memset(s, c, n) __memset(s, c, n)
45
46#ifndef __NO_FORTIFY
47#define __NO_FORTIFY
48#endif
49
50#endif
51
52#ifdef CONFIG_PPC64
53#ifndef CONFIG_KASAN
54#define __HAVE_ARCH_MEMSET32
55#define __HAVE_ARCH_MEMSET64
56
57extern void *__memset16(uint16_t *, uint16_t v, __kernel_size_t);
58extern void *__memset32(uint32_t *, uint32_t v, __kernel_size_t);
59extern void *__memset64(uint64_t *, uint64_t v, __kernel_size_t);
60
61static inline void *memset16(uint16_t *p, uint16_t v, __kernel_size_t n)
62{
63 return __memset16(p, v, n * 2);
64}
65
66static inline void *memset32(uint32_t *p, uint32_t v, __kernel_size_t n)
67{
68 return __memset32(p, v, n * 4);
69}
70
71static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n)
72{
73 return __memset64(p, v, n * 8);
74}
75#endif
76#else
77#ifndef CONFIG_KASAN
78#define __HAVE_ARCH_STRLEN
79#endif
80
81extern void *memset16(uint16_t *, uint16_t, __kernel_size_t);
82#endif
83#endif
84
85#endif
86