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/* Copyright (C) 1991,92,93,95,96,97,98,99,2000,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _LIBC_INTERNAL_H
#define _LIBC_INTERNAL_H 1
#include <features.h>
#ifdef __UCLIBC_BUILD_RELRO__
# define attribute_relro __attribute__ ((section (".data.rel.ro")))
#else
# define attribute_relro
#endif
#ifdef __UCLIBC_HAS_THREADS_NATIVE__
# define attribute_tls_model_ie __attribute__ ((tls_model ("initial-exec")))
#endif
/* Pull in things like __attribute_used__ */
#include <sys/cdefs.h>
/* --- this is added to integrate linuxthreads */
#define __USE_UNIX98 1
#ifndef __ASSEMBLER__
# ifdef IS_IN_libc
# define __need_size_t
# include <stddef.h>
/* sources are built w/ _GNU_SOURCE, this gets undefined */
extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen);
/* #include <pthread.h> */
# ifndef __UCLIBC_HAS_THREADS__
# define __pthread_mutex_init(mutex, mutexattr) ((void)0)
# define __pthread_mutex_lock(mutex) ((void)0)
# define __pthread_mutex_trylock(mutex) ((void)0)
# define __pthread_mutex_unlock(mutex) ((void)0)
# endif
/* internal access to program name */
extern const char *__uclibc_progname attribute_hidden;
# endif /* IS_IN_libc */
/* #include <alloca.h> */
#include <bits/stackinfo.h>
#if _STACK_GROWS_DOWN
# define extend_alloca(buf, len, newlen) \
(__typeof (buf)) ({ size_t __newlen = (newlen); \
char *__newbuf = alloca (__newlen); \
if (__newbuf + __newlen == (char *) buf) \
len += __newlen; \
else \
len = __newlen; \
__newbuf; })
#elif _STACK_GROWS_UP
# define extend_alloca(buf, len, newlen) \
(__typeof (buf)) ({ size_t __newlen = (newlen); \
char *__newbuf = alloca (__newlen); \
char *__buf = (buf); \
if (__buf + __newlen == __newbuf) \
{ \
len += __newlen; \
__newbuf = __buf; \
} \
else \
len = __newlen; \
__newbuf; })
#else
# warning unknown stack
# define extend_alloca(buf, len, newlen) \
alloca (((len) = (newlen)))
#endif
#endif /* __ASSEMBLER__ */
#endif /* _LIBC_INTERNAL_H */
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