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Makefile.inc
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libc_private.h
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namespace.h
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rtld_libc.c
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rtld_libc.h
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un-namespace.h
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Editing: rtld_libc.h
/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright 2019 Alex Richardson <arichardson@FreeBSD.org> * * This software was developed by SRI International and the University of * Cambridge Computer Laboratory (Department of Computer Science and * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the * DARPA SSITH research programme. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _RTLD_AVOID_LIBC_DEPS_H_ #define _RTLD_AVOID_LIBC_DEPS_H_ #include <sys/cdefs.h> #include <sys/types.h> #include <sys/fcntl.h> #include <sys/stat.h> /* Avoid dependencies on libthr (used by closedir/opendir/readdir) */ #define __isthreaded 0 #define _pthread_mutex_lock(mtx) (void)0 #define _pthread_mutex_unlock(mtx) (void)0 #define _pthread_mutex_destroy(mtx) (void)0 #define __libc_interposing error, must not use this variable inside rtld int __sys_close(int); void __sys_exit(int) __dead2; int __sys_fcntl(int, int, ...); int __sys_fstat(int fd, struct stat *); int __sys_fstatat(int, const char *, struct stat *, int); int __sys___getcwd(char *, size_t); int __sys_open(const char *, int, ...); int __sys_openat(int, const char *, int, ...); int __sys_sigprocmask(int, const sigset_t *, sigset_t *); int __sys_thr_kill(long, int); int __sys_thr_self(long *); __ssize_t __sys_pread(int, void *, __size_t, __off_t); __ssize_t __sys_read(int, void *, __size_t); __ssize_t __sys_write(int, const void *, __size_t); extern char* __progname; const char *_getprogname(void); int __getosreldate(void); /* * Don't pull in any of the libc wrappers. Instead we use the system call * directly inside RTLD to avoid pulling in __libc_interposing (which pulls * in lots more object files). */ #define close(fd) __sys_close(fd) #define _close(fd) __sys_close(fd) #define exit(status) __sys_exit(status) #define _exit(status) __sys_exit(status) #define fcntl(fd, cmd, arg) __sys_fcntl(fd, cmd, arg) #define _fcntl(fd, cmd, arg) __sys_fcntl(fd, cmd, arg) #define _fstat(fd, sb) __sys_fstat(fd, sb) #define open(path, ...) __sys_open(path, __VA_ARGS__) #define pread(fd, buf, nbytes, offset) __sys_pread(fd, buf, nbytes, offset) #define read(fd, buf, nbytes) __sys_read(fd, buf, nbytes) #define sigprocmask(how, set, oset) __sys_sigprocmask(how, set, oset) #define strerror(errno) rtld_strerror(errno) #define _write(fd, buf, nbytes) __sys_write(fd, buf, nbytes) #define write(fd, buf, nbytes) __sys_write(fd, buf, nbytes) #endif /* _RTLD_AVOID_LIBC_DEPS_H_ */
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