diff options
Diffstat (limited to 'lib/sanitizer_common/sanitizer_libc.h')
-rw-r--r-- | lib/sanitizer_common/sanitizer_libc.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_libc.h b/lib/sanitizer_common/sanitizer_libc.h new file mode 100644 index 0000000..8da4286c --- /dev/null +++ b/lib/sanitizer_common/sanitizer_libc.h @@ -0,0 +1,69 @@ +//===-- sanitizer_libc.h ----------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file is shared between AddressSanitizer and ThreadSanitizer +// run-time libraries. +// These tools can not use some of the libc functions directly because those +// functions are intercepted. Instead, we implement a tiny subset of libc here. +// NOTE: This file may be included into user code. +//===----------------------------------------------------------------------===// +#ifndef SANITIZER_LIBC_H +#define SANITIZER_LIBC_H + +// ----------- ATTENTION ------------- +// This header should NOT include any other headers from sanitizer runtime. +#include "sanitizer_interface_defs.h" + +namespace __sanitizer { + +// internal_X() is a custom implementation of X() for use in RTL. + +// String functions +s64 internal_atoll(const char *nptr); +void *internal_memchr(const void *s, int c, uptr n); +int internal_memcmp(const void* s1, const void* s2, uptr n); +void *internal_memcpy(void *dest, const void *src, uptr n); +// Should not be used in performance-critical places. +void *internal_memset(void *s, int c, uptr n); +char* internal_strchr(const char *s, int c); +int internal_strcmp(const char *s1, const char *s2); +char *internal_strdup(const char *s); +uptr internal_strlen(const char *s); +char *internal_strncat(char *dst, const char *src, uptr n); +int internal_strncmp(const char *s1, const char *s2, uptr n); +char *internal_strncpy(char *dst, const char *src, uptr n); +uptr internal_strnlen(const char *s, uptr maxlen); +char *internal_strrchr(const char *s, int c); +// This is O(N^2), but we are not using it in hot places. +char *internal_strstr(const char *haystack, const char *needle); +// Works only for base=10 and doesn't set errno. +s64 internal_simple_strtoll(const char *nptr, char **endptr, int base); + +// Memory +void *internal_mmap(void *addr, uptr length, int prot, int flags, + int fd, u64 offset); +int internal_munmap(void *addr, uptr length); + +// I/O +typedef int fd_t; +const fd_t kInvalidFd = -1; +int internal_close(fd_t fd); +fd_t internal_open(const char *filename, bool write); +uptr internal_read(fd_t fd, void *buf, uptr count); +uptr internal_write(fd_t fd, const void *buf, uptr count); +uptr internal_filesize(fd_t fd); // -1 on error. +int internal_dup2(int oldfd, int newfd); +int internal_snprintf(char *buffer, uptr length, const char *format, ...); + +// Threading +int internal_sched_yield(); + +} // namespace __sanitizer + +#endif // SANITIZER_LIBC_H |