1 /* Copyright (C) 1991,92,93,95,96,97,98,99,2000,2001 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _LIBC_INTERNAL_H 19 #define _LIBC_INTERNAL_H 1 20 21 #include <features.h> 22 23 #ifdef __UCLIBC_BUILD_RELRO__ 24 # define attribute_relro __attribute__ ((section (".data.rel.ro"))) 25 #else 26 # define attribute_relro 27 #endif 28 29 #ifdef __UCLIBC_HAS_TLS__ 30 # define attribute_tls_model_ie __attribute__ ((tls_model ("initial-exec"))) 31 #else 32 # define attribute_tls_model_ie 33 # define __thread 34 #endif 35 36 /* Pull in things like __attribute_used__ */ 37 #include <sys/cdefs.h> 38 39 /* --- this is added to integrate linuxthreads */ 40 /*#define __USE_UNIX98 1*/ 41 42 #ifndef __ASSEMBLER__ 43 # ifdef IS_IN_libc 44 45 # define __need_size_t 46 # include <stddef.h> 47 48 /* sources are built w/ _GNU_SOURCE, this gets undefined */ 49 #if defined __USE_XOPEN2K && !defined __USE_GNU 50 extern char *__glibc_strerror_r (int __errnum, char *__buf, size_t __buflen); 51 libc_hidden_proto(__glibc_strerror_r) 52 #else 53 extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen); 54 libc_hidden_proto(__xpg_strerror_r) 55 #endif 56 57 /* #include <pthread.h> */ 58 # ifndef __UCLIBC_HAS_THREADS__ 59 # define __pthread_mutex_init(mutex, mutexattr) ((void)0) 60 # define __pthread_mutex_lock(mutex) ((void)0) 61 # define __pthread_mutex_trylock(mutex) ((void)0) 62 # define __pthread_mutex_unlock(mutex) ((void)0) 63 # define _pthread_cleanup_push_defer(mutex) ((void)0) 64 # define _pthread_cleanup_pop_restore(mutex) ((void)0) 65 # endif 66 67 /* internal access to program name */ 68 extern const char *__uclibc_progname attribute_hidden; 69 70 # ifdef __UCLIBC_HAS_FORTIFY__ 71 extern void __chk_fail(void) attribute_noreturn; 72 libc_hidden_proto(__chk_fail) 73 # endif 74 75 # ifdef __UCLIBC_HAS_SSP__ 76 extern void __stack_chk_fail(void) attribute_noreturn __cold; 77 # endif 78 79 # endif /* IS_IN_libc */ 80 81 #endif /* __ASSEMBLER__ */ 82 83 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) 84 85 /* Some people like to build up uClibc with *-elf toolchains, so 86 * a little grease here until we drop '#ifdef __linux__' checks 87 * from our source code. 88 */ 89 #ifndef __linux__ 90 # define __linux__ 1 91 #endif 92 93 #endif /* _LIBC_INTERNAL_H */ 94