1*699cd480SApple OSS Distributions /* 2*699cd480SApple OSS Distributions * Copyright (c) 2022 Apple Inc. All rights reserved. 3*699cd480SApple OSS Distributions * 4*699cd480SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*699cd480SApple OSS Distributions * 6*699cd480SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*699cd480SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*699cd480SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*699cd480SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*699cd480SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*699cd480SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*699cd480SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*699cd480SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*699cd480SApple OSS Distributions * 15*699cd480SApple OSS Distributions * Please obtain a copy of the License at 16*699cd480SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*699cd480SApple OSS Distributions * 18*699cd480SApple OSS Distributions * The Original Code and all software distributed under the License are 19*699cd480SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*699cd480SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*699cd480SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*699cd480SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*699cd480SApple OSS Distributions * Please see the License for the specific language governing rights and 24*699cd480SApple OSS Distributions * limitations under the License. 25*699cd480SApple OSS Distributions * 26*699cd480SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*699cd480SApple OSS Distributions */ 28*699cd480SApple OSS Distributions 29*699cd480SApple OSS Distributions #ifndef _MACHINE_STRING_H_ 30*699cd480SApple OSS Distributions #define _MACHINE_STRING_H_ 31*699cd480SApple OSS Distributions 32*699cd480SApple OSS Distributions #include <sys/cdefs.h> 33*699cd480SApple OSS Distributions #include <types.h> 34*699cd480SApple OSS Distributions 35*699cd480SApple OSS Distributions #if defined (__i386__) || defined (__x86_64__) 36*699cd480SApple OSS Distributions #include "i386/string.h" 37*699cd480SApple OSS Distributions #elif defined (__arm__) || defined (__arm64__) 38*699cd480SApple OSS Distributions #include "arm/string.h" 39*699cd480SApple OSS Distributions #else 40*699cd480SApple OSS Distributions #error architecture not supported 41*699cd480SApple OSS Distributions #endif 42*699cd480SApple OSS Distributions 43*699cd480SApple OSS Distributions /* 44*699cd480SApple OSS Distributions * Below are prototypes that call into a precise symbol, 45*699cd480SApple OSS Distributions * and prevent the compiler from using a builtin. 46*699cd480SApple OSS Distributions */ 47*699cd480SApple OSS Distributions 48*699cd480SApple OSS Distributions /* 49*699cd480SApple OSS Distributions * Memory functions 50*699cd480SApple OSS Distributions */ 51*699cd480SApple OSS Distributions extern int bcmp_impl(const void *, const void *, size_t) asm("_bcmp"); 52*699cd480SApple OSS Distributions extern int memcmp_impl(const void *, const void *, size_t) asm("_memcmp"); 53*699cd480SApple OSS Distributions 54*699cd480SApple OSS Distributions extern void *bzero_impl(void *, const void *, size_t) asm("_bzero"); 55*699cd480SApple OSS Distributions extern void *memset_impl(void *, int c, size_t) asm("_memset"); 56*699cd480SApple OSS Distributions 57*699cd480SApple OSS Distributions extern void *memcpy_impl(void *, const void *, size_t) asm("_memcpy"); 58*699cd480SApple OSS Distributions extern void *memmove_impl(void *, const void *, size_t) asm("_memmove"); 59*699cd480SApple OSS Distributions extern void bcopy_impl(const void *, void *, size_t) asm("_bcopy"); 60*699cd480SApple OSS Distributions 61*699cd480SApple OSS Distributions /* 62*699cd480SApple OSS Distributions * String functions 63*699cd480SApple OSS Distributions */ 64*699cd480SApple OSS Distributions extern size_t strlen_impl(const char *) asm("_strlen"); 65*699cd480SApple OSS Distributions extern size_t strnlen_impl(const char *s, size_t) asm("_strnlen"); 66*699cd480SApple OSS Distributions 67*699cd480SApple OSS Distributions extern int strcmp_impl(const char *, const char *) asm("_strcmp"); 68*699cd480SApple OSS Distributions extern int strncmp_impl(const char *, const char *, size_t) asm("_strncmp"); 69*699cd480SApple OSS Distributions extern int strcasecmp_impl(const char *, const char *) asm("_strcasecmp"); 70*699cd480SApple OSS Distributions extern int strncasecmp_impl(const char *, const char *, size_t) asm("_strncasecmp"); 71*699cd480SApple OSS Distributions 72*699cd480SApple OSS Distributions extern char *strchr_impl(const char *, int) asm("_strchr"); 73*699cd480SApple OSS Distributions extern char *strrchr_impl(const char *, int) asm("_strrchr"); 74*699cd480SApple OSS Distributions extern char *strnstr_impl(const char *s, const char *, size_t) asm("_strnstr"); 75*699cd480SApple OSS Distributions 76*699cd480SApple OSS Distributions extern size_t strlcat_impl(char *, const char *, size_t) asm("_strlcat"); 77*699cd480SApple OSS Distributions extern size_t strlcpy_impl(char *, const char *, size_t) asm("_strlcpy"); 78*699cd480SApple OSS Distributions 79*699cd480SApple OSS Distributions /* 80*699cd480SApple OSS Distributions * Deprecated functions 81*699cd480SApple OSS Distributions */ 82*699cd480SApple OSS Distributions extern char *strncpy_impl(char *, const char *, size_t) asm("_strncpy"); 83*699cd480SApple OSS Distributions extern char *strncat_impl(char *, const char *, size_t) asm("_strncat"); 84*699cd480SApple OSS Distributions 85*699cd480SApple OSS Distributions #if CONFIG_VSPRINTF 86*699cd480SApple OSS Distributions extern char *strcpy_impl(char *, const char *) asm("_strcpy"); 87*699cd480SApple OSS Distributions extern char *strcat_impl(char *, const char *) asm("_strcat"); 88*699cd480SApple OSS Distributions #endif 89*699cd480SApple OSS Distributions 90*699cd480SApple OSS Distributions #endif /* _MACHINE_STRING_H_ */ 91