diff options
Diffstat (limited to 'include/libc-internal.h')
| -rw-r--r-- | include/libc-internal.h | 392 |
1 files changed, 1 insertions, 391 deletions
diff --git a/include/libc-internal.h b/include/libc-internal.h index 26e06e636..c7838b51e 100644 --- a/include/libc-internal.h +++ b/include/libc-internal.h @@ -21,159 +21,12 @@ #include <features.h> -#ifndef __ASSEMBLER__ -/* GCC understands weak symbols and aliases; use its interface where - possible, instead of embedded assembly language. */ - -/* Define ALIASNAME as a strong alias for NAME. */ -# define strong_alias(name, aliasname) _strong_alias(name, aliasname) -# define _strong_alias(name, aliasname) \ - extern __typeof (name) aliasname __attribute__ ((alias (#name))); - -/* This comes between the return type and function name in - a function definition to make that definition weak. */ -# define weak_function __attribute__ ((weak)) -# define weak_const_function __attribute__ ((weak, __const__)) - -/* Define ALIASNAME as a weak alias for NAME. - If weak aliases are not available, this defines a strong alias. */ -# define weak_alias(name, aliasname) _weak_alias (name, aliasname) -# define _weak_alias(name, aliasname) \ - extern __typeof (name) aliasname __attribute__ ((weak, alias (#name))); - -/* Declare SYMBOL as weak undefined symbol (resolved to 0 if not defined). */ -# define weak_extern(symbol) _weak_extern (weak symbol) -# define _weak_extern(expr) _Pragma (#expr) - -#else /* __ASSEMBLER__ */ - -#ifdef __SYMBOL_PREFIX -# define C_SYMBOL_NAME(name) _##name -#else -# define C_SYMBOL_NAME(name) name -#endif - -# define strong_alias(name, aliasname) \ - .global C_SYMBOL_NAME (aliasname) ; \ - .set C_SYMBOL_NAME(aliasname),C_SYMBOL_NAME(name) - -# define weak_alias(name, aliasname) \ - .weak C_SYMBOL_NAME(aliasname) ; \ - C_SYMBOL_NAME(aliasname) = C_SYMBOL_NAME(name) - -# define weak_extern(symbol) \ - .weak C_SYMBOL_NAME(symbol) - -#endif /* __ASSEMBLER__ */ - -/* When a reference to SYMBOL is encountered, the linker will emit a - warning message MSG. */ -#ifdef __HAVE_ELF__ - -/* We want the .gnu.warning.SYMBOL section to be unallocated. */ -# define __make_section_unallocated(section_string) \ - asm (".section " section_string "\n\t.previous"); - -/* Tacking on "\n\t#" to the section name makes gcc put it's bogus - section attributes on what looks like a comment to the assembler. */ -# define __sec_comment "\n\t#" -# ifdef __cris__ -# define link_warning(symbol, msg) -# else -# define link_warning(symbol, msg) \ - __make_section_unallocated (".gnu.warning." #symbol) \ - static const char __evoke_link_warning_##symbol[] \ - __attribute__ ((used, section (".gnu.warning." #symbol __sec_comment))) \ - = msg; -# endif -#else /* __HAVE_ELF__ */ -# define link_warning(symbol, msg) \ - asm (".stabs \"" msg "\",30,0,0,0\n\t" \ - ".stabs \"" __C_SYMBOL_PREFIX__ #symbol "\",1,0,0,0\n"); -#endif /* __HAVE_ELF__ */ - -#ifndef weak_function -/* If we do not have the __attribute__ ((weak)) syntax, there is no way we - can define functions as weak symbols. The compiler will emit a `.globl' - directive for the function symbol, and a `.weak' directive in addition - will produce an error from the assembler. */ -# define weak_function /* empty */ -# define weak_const_function /* empty */ -#endif - -/* On some platforms we can make internal function calls (i.e., calls of - functions not exported) a bit faster by using a different calling - convention. */ -#if 0 /*def __i386__*/ -# define internal_function __attribute__ ((regparm (3), stdcall)) -#endif -#ifndef internal_function -# define internal_function /* empty */ -#endif - -#ifndef NOT_IN_libc -# define IS_IN_libc 1 -#endif - -/* Prepare for the case that `__builtin_expect' is not available. */ -#if __GNUC__ == 2 && __GNUC_MINOR__ < 96 -# define __builtin_expect(x, expected_value) (x) -#endif -#ifndef likely -# define likely(x) __builtin_expect((!!(x)),1) -#endif -#ifndef unlikely -# define unlikely(x) __builtin_expect((!!(x)),0) -#endif -#ifndef __LINUX_COMPILER_H -# define __LINUX_COMPILER_H -#endif -#ifndef __cast__ -# define __cast__(_to) -#endif - -#define attribute_unused __attribute__ ((unused)) - -/* Arrange to hide uClibc internals */ -#if __GNUC_PREREQ (3, 3) -# define attribute_hidden __attribute__ ((visibility ("hidden"))) -#else -# define attribute_hidden -#endif -#define hidden_def(name) extern __typeof (name) name attribute_hidden; - -#ifndef __ASSEMBLER__ -# define hidden_strong_alias(name, aliasname) _hidden_strong_alias(name, aliasname) -# define _hidden_strong_alias(name, aliasname) \ - extern __typeof (name) aliasname __attribute__ ((alias (#name))) attribute_hidden; - -# define hidden_weak_alias(name, aliasname) _hidden_weak_alias (name, aliasname) -# define _hidden_weak_alias(name, aliasname) \ - extern __typeof (name) aliasname __attribute__ ((weak, alias (#name))) attribute_hidden; -#else /* __ASSEMBLER__ */ -# define hidden_strong_alias(name, aliasname) \ - .global C_SYMBOL_NAME (aliasname) ; \ - .hidden C_SYMBOL_NAME (aliasname) ; \ - .set C_SYMBOL_NAME(aliasname),C_SYMBOL_NAME(name) - -# define hidden_weak_alias(name, aliasname) \ - .weak C_SYMBOL_NAME(aliasname) ; \ - .hidden C_SYMBOL_NAME(aliasname) ; \ - C_SYMBOL_NAME(aliasname) = C_SYMBOL_NAME(name) -#endif /* __ASSEMBLER__ */ - #ifdef __UCLIBC_BUILD_RELRO__ # define attribute_relro __attribute__ ((section (".data.rel.ro"))) #else # define attribute_relro #endif -#ifdef __GNUC__ -# define attribute_noreturn __attribute__ ((__noreturn__)) -#else -# define attribute_noreturn -#endif - #ifdef __UCLIBC_HAS_THREADS_NATIVE__ # define attribute_tls_model_ie __attribute__ ((tls_model ("initial-exec"))) #endif @@ -187,254 +40,11 @@ #ifndef __ASSEMBLER__ # ifdef IS_IN_libc -# define __UC(N) __ ## N -# define __UC_ALIAS(N) strong_alias( __ ## N , N ) -# if defined __UCLIBC_HAS_XLOCALE__ && defined __UCLIBC_DO_XLOCALE -# define __UCXL(N) __ ## N ## _l -# define __UCXL_ALIAS(N) strong_alias ( __ ## N ## _l , N ## _l ) -# else -# define __UCXL(N) __UC(N) -# define __UCXL_ALIAS(N) __UC_ALIAS(N) -# endif - # define __need_size_t -# ifdef __UCLIBC_HAS_WCHAR__ -# define __need_wchar_t -# define __need_wint_t -# endif # include <stddef.h> -# include <bits/types.h> - -# ifndef __ssize_t_defined -typedef __ssize_t ssize_t; -# define __ssize_t_defined -# endif - -# include <bits/sigset.h> - -/* prototypes for internal use, please keep these in sync w/ updated headers */ -/* #include <fcntl.h> */ -#ifndef __USE_FILE_OFFSET64 -extern int __open (__const char *__file, int __oflag, ...) __nonnull ((1)) attribute_hidden; -extern int __fcntl (int __fd, int __cmd, ...) attribute_hidden; -#else -# ifdef __REDIRECT -extern int __REDIRECT (__open, (__const char *__file, int __oflag, ...), __open64) - __nonnull ((1)) attribute_hidden; -extern int __REDIRECT (__fcntl, (int __fd, int __cmd, ...), __fcntl64) attribute_hidden; -# else -# define __open __open64 -# define __fcntl __fcntl64 -# endif -#endif -#ifdef __USE_LARGEFILE64 -extern int __open64 (__const char *__file, int __oflag, ...) __nonnull ((1)) attribute_hidden; -extern int __fcntl64 (int __fd, int __cmd, ...) attribute_hidden; -#endif - -/* #include <string.h> */ -extern int __memcmp (__const void *__s1, __const void *__s2, size_t __n) attribute_hidden; -extern void *__memcpy (void *__restrict __dest, - __const void *__restrict __src, size_t __n) attribute_hidden; -extern void *__memmove (void *__dest, __const void *__src, size_t __n) attribute_hidden; -extern void *__memset (void *__s, int __c, size_t __n) attribute_hidden; -extern char *__strcpy (char *__restrict __dest, __const char *__restrict __src) attribute_hidden; -extern size_t __strlen (__const char *__s) attribute_hidden; -extern int __strcmp (__const char *__s1, __const char *__s2) attribute_hidden; -extern char *__strcat (char *__restrict __dest, __const char *__restrict __src) attribute_hidden; -extern char *__strncpy (char *__restrict __dest, - __const char *__restrict __src, size_t __n) attribute_hidden; -extern char *__strchr (__const char *__s, int __c) attribute_hidden; -extern char *__strrchr (__const char *__s, int __c) attribute_hidden; -extern int __strncmp (__const char *__s1, __const char *__s2, size_t __n) attribute_hidden; -extern char *__strdup (__const char *__s) attribute_hidden; -extern int __strcasecmp (__const char *__s1, __const char *__s2) attribute_hidden; -extern int __strncasecmp (__const char *__s1, __const char *__s2, size_t __n) attribute_hidden; -extern void *__rawmemchr (__const void *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)) attribute_hidden; -extern size_t __strspn (__const char *__s, __const char *__accept) - __THROW __attribute_pure__ __nonnull ((1, 2)) attribute_hidden; -extern char *__strpbrk (__const char *__s, __const char *__accept) - __THROW __attribute_pure__ __nonnull ((1, 2)) attribute_hidden; -extern size_t __strnlen (__const char *__string, size_t __maxlen) - __THROW __attribute_pure__ __nonnull ((1)) attribute_hidden; -extern char *__strtok_r (char *__restrict __s, __const char *__restrict __delim, - char **__restrict __save_ptr) __THROW __nonnull ((2, 3)) attribute_hidden; - /* sources are built w/ _GNU_SOURCE, this gets undefined */ -extern int __xpg_strerror_r_internal (int __errnum, char *__buf, size_t __buflen) attribute_hidden; -extern char *__glibc_strerror_r_internal (int __errnum, char *__buf, size_t __buflen) attribute_hidden; - -/* ctype.h */ -extern int __tolower (int __c) __THROW attribute_hidden; -extern int __toupper (int __c) __THROW attribute_hidden; - -#ifdef __UCLIBC_HAS_WCHAR__ -/* wchar.h */ -extern size_t __wcslen (__const wchar_t *__s) __THROW __attribute_pure__ attribute_hidden; -extern wchar_t *__wcscpy (wchar_t *__restrict __dest, __const wchar_t *__restrict __src) __THROW attribute_hidden; -extern size_t __wcsspn (__const wchar_t *__wcs, __const wchar_t *__accept) - __THROW __attribute_pure__ attribute_hidden; -extern wchar_t *__wcspbrk (__const wchar_t *__wcs, __const wchar_t *__accept) - __THROW __attribute_pure__ attribute_hidden; -/* wctype.h */ -extern wint_t __towlower (wint_t __wc) __THROW attribute_hidden; -#endif - -/* #include <unistd.h> */ -extern ssize_t __read(int __fd, void *__buf, size_t __nbytes) attribute_hidden; -extern ssize_t __write(int __fd, __const void *__buf, size_t __n) attribute_hidden; -extern int __close(int __fd) attribute_hidden; -extern __pid_t __getpid (void) attribute_hidden; -extern void _exit_internal (int __status) __attribute__ ((__noreturn__)) attribute_hidden; -#ifndef __USE_FILE_OFFSET64 -extern int __lockf (int __fd, int __cmd, __off_t __len) attribute_hidden; -extern __off_t __lseek (int __fd, __off_t __offset, int __whence) __THROW attribute_hidden; -#else -# ifdef __REDIRECT -extern int __REDIRECT (__lockf, (int __fd, int __cmd, __off64_t __len), - __lockf64) attribute_hidden; -extern __off64_t __REDIRECT (__lseek, - (int __fd, __off64_t __offset, int __whence), - __lseek64) attribute_hidden; -# else -# define __lockf __lockf64 -# define __lseek __lseek64 -# endif -#endif -#ifdef __USE_LARGEFILE64 -extern int __lockf64 (int __fd, int __cmd, __off64_t __len) attribute_hidden; -extern __off64_t __lseek64 (int __fd, __off64_t __offset, int __whence) __THROW attribute_hidden; -#endif - -/* #include <stdio.h> */ -extern void __perror (__const char *__s) attribute_hidden; -extern int __printf (__const char *__restrict __format, ...) attribute_hidden; -extern int __sprintf (char *__restrict __s, - __const char *__restrict __format, ...) attribute_hidden; - -/* hack */ -#define abort __abort -#define fprintf __fprintf -#define fclose __fclose -#ifndef __USE_FILE_OFFSET64 -#define fopen __fopen -#else -#define fopen __fopen64 -#endif -#ifdef __USE_LARGEFILE64 -#define fopen64 __fopen64 -#endif - -/* #include <stdlib.h> */ -extern char *__getenv (__const char *__name) attribute_hidden; -extern void __exit (int __status) __THROW __attribute__ ((__noreturn__)) attribute_hidden; - -/* #include <signal.h> */ -extern int __sigprocmask (int __how, __const __sigset_t *__restrict __set, - __sigset_t *__restrict __oset) attribute_hidden; - -/* #include <sys/ioctl.h> */ -extern int __ioctl (int __fd, unsigned long int __request, ...) attribute_hidden; - -/* #include <sys/socket.h> */ -extern int __socket (int __domain, int __type, int __protocol) attribute_hidden; - -/* #include <sys/stat.h> */ -#ifndef __USE_FILE_OFFSET64 -struct stat; -extern int __stat (__const char *__restrict __file, - struct stat *__restrict __buf) __THROW __nonnull ((1, 2)) attribute_hidden; -extern int __fstat (int __fd, struct stat *__buf) __THROW __nonnull ((2)) attribute_hidden; -extern int __lstat (__const char *__restrict __file, - struct stat *__restrict __buf) __THROW __nonnull ((1, 2)) attribute_hidden; -#else -# ifdef __REDIRECT_NTH -extern int __REDIRECT_NTH (__stat, (__const char *__restrict __file, - struct stat *__restrict __buf), __stat64) - __nonnull ((1, 2)) attribute_hidden; -extern int __REDIRECT_NTH (__fstat, (int __fd, struct stat *__buf), __fstat64) - __nonnull ((2)) attribute_hidden; -extern int __REDIRECT_NTH (__lstat, - (__const char *__restrict __file, - struct stat *__restrict __buf), __lstat64) - __nonnull ((1, 2)) attribute_hidden; -# else -# define __stat __stat64 -# define __fstat __fstat64 -# define __lstat __lstat64 -# endif -#endif -#ifdef __USE_LARGEFILE64 -struct stat64; -extern int __stat64 (__const char *__restrict __file, - struct stat64 *__restrict __buf) __THROW __nonnull ((1, 2)) attribute_hidden; -extern int __fstat64 (int __fd, struct stat64 *__buf) __THROW __nonnull ((2)) attribute_hidden; -extern int __lstat64 (__const char *__restrict __file, - struct stat64 *__restrict __buf) - __THROW __nonnull ((1, 2)) attribute_hidden; -#endif - -/* #include <sys/statfs.h> */ -#ifndef __USE_FILE_OFFSET64 -struct statfs; -extern int __statfs (__const char *__file, struct statfs *__buf) - __THROW __nonnull ((1, 2)) attribute_hidden; -extern int __fstatfs (int __fildes, struct statfs *__buf) - __THROW __nonnull ((2)) attribute_hidden; -#else -# ifdef __REDIRECT -extern int __REDIRECT (__statfs, - (__const char *__file, struct statfs *__buf), - __statfs64) __nonnull ((1, 2)) attribute_hidden; -extern int __REDIRECT (__fstatfs, (int __fildes, struct statfs *__buf), - __fstatfs64) __nonnull ((2)) attribute_hidden; -# else -# define __statfs __statfs64 -# endif -#endif -#ifdef __USE_LARGEFILE64 -struct statfs64; -extern int __statfs64 (__const char *__file, struct statfs64 *__buf) - __THROW __nonnull ((1, 2)) attribute_hidden; -extern int __fstatfs64 (int __fildes, struct statfs64 *__buf) - __THROW __nonnull ((2)) attribute_hidden; -#endif - -# if 0 /* undoable here */ -/* #include <dirent.h> */ -typedef struct __dirstream DIR; -extern DIR *__opendir (__const char *__name) attribute_hidden; -extern int __closedir (DIR *__dirp) attribute_hidden; - -/* #include <stdio.h> */ -extern int __vfprintf (FILE *__restrict __s, __const char *__restrict __format, - __gnuc_va_list __arg) attribute_hidden; -extern int __fprintf (FILE *__restrict __stream, - __const char *__restrict __format, ...) attribute_hidden; -extern int __fclose (FILE *__stream) attribute_hidden; - -#ifndef __USE_FILE_OFFSET64 -extern FILE *__fopen (__const char *__restrict __filename, - __const char *__restrict __modes) attribute_hidden; -#else -# ifdef __REDIRECT -extern FILE *__REDIRECT (__fopen, (__const char *__restrict __filename, - __const char *__restrict __modes), __fopen64) attribute_hidden; -# else -# define __fopen __fopen64 -# endif -#endif -#ifdef __USE_LARGEFILE64 -extern FILE *__fopen64 (__const char *__restrict __filename, - __const char *__restrict __modes) attribute_hidden; -#endif - -/* #include <sys/time.h> */ -# define __need_timeval -# include <bits/time.h> -extern int __gettimeofday(struct timeval *__restrict __tv, *__restrict __timezone__ptr_t __tz) attribute_hidden; -# endif +extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen); /* #include <pthread.h> */ # ifndef __UCLIBC_HAS_THREADS__ |