| // SPDX-License-Identifier: GPL-2.0 | |
| #define __NO_FORTIFY | |
| #include <linux/types.h> | |
| #include <linux/module.h> | |
| /* | |
| * This file exports some critical string functions and compiler | |
| * built-in functions (where calls are emitted by the compiler | |
| * itself that we cannot avoid even in kernel code) to modules. | |
| * | |
| * "_user.c" code that previously used exports here such as hostfs | |
| * really should be considered part of the 'hypervisor' and define | |
| * its own API boundary like hostfs does now; don't add exports to | |
| * this file for such cases. | |
| */ | |
| /* If it's not defined, the export is included in lib/string.c.*/ | |
| #ifdef __HAVE_ARCH_STRSTR | |
| #undef strstr | |
| EXPORT_SYMBOL(strstr); | |
| #endif | |
| #ifndef __x86_64__ | |
| #undef memcpy | |
| extern void *memcpy(void *, const void *, size_t); | |
| EXPORT_SYMBOL(memcpy); | |
| extern void *memmove(void *, const void *, size_t); | |
| EXPORT_SYMBOL(memmove); | |
| #undef memset | |
| extern void *memset(void *, int, size_t); | |
| EXPORT_SYMBOL(memset); | |
| #endif | |
| #ifdef _FORTIFY_SOURCE | |
| extern int __sprintf_chk(char *str, int flag, size_t len, const char *format); | |
| EXPORT_SYMBOL(__sprintf_chk); | |
| #endif |