mirror of
https://github.com/drasko/codezero.git
synced 2026-01-13 19:33:15 +01:00
101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/* 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 */
|
|
#ifdef __USE_GNU
|
|
extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen);
|
|
#else
|
|
extern char *__glibc_strerror_r (int __errnum, char *__buf, size_t __buflen);
|
|
#endif
|
|
|
|
/* #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)
|
|
# define _pthread_cleanup_push_defer(mutex) ((void)0)
|
|
# define _pthread_cleanup_pop_restore(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 defined(_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 defined(_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 */
|