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ffa8d2a098
name of "", store a null pointer instead. * configure.in (elf): Set to yes for freebsd*, netbsd*. * configure: Regenerated. * locale/xlocale.c [! (USE_TLS && HAVE___THREAD)] (__libc_tsd_LOCALE): Initialize this instead of __libc_tsd_LOCALE_data. * sysdeps/unix/grantpt.c (pts_name): Convert ENOTTY return from ptsname_r to EINVAL. * sysdeps/generic/ptsname.c (__ptsname_r): Return ENOSYS instead of 0. * rt/Makefile: Revert last change, it was inappropriate to presume aio implementations depend on pthreads. * rt/tst-aio.c (do_test): Exit happy if first failure is ENOSYS. * rt/tst-aio64.c (do_test): Likewise. * rt/tst-aio2.c (do_test): Likewise. * rt/tst-aio3.c (do_test): Likewise. * rt/tst-aio4.c (do_test): Likewise. * rt/tst-aio5.c (do_test): Likewise. * rt/tst-aio6.c (do_test): Likewise. * rt/tst-aio7.c (do_test): Likewise. * sysdeps/generic/bits/libc-lock.h (__libc_setspecific): Use a cast to void so as to avoid compiler warnings. * libio/oldstdfiles.c [! _IO_MTSAFE_IO] (DEF_STDFILE): Don't define _IO_wide_data_FD, which is never used here. * libio/iofread.c [! _IO_MTSAFE_IO] (fread_unlocked): Add libc_hidden_ver defn. * libio/iofputs.c [! _IO_MTSAFE_IO] (fputs_unlocked): Likewise. * libio/iofgets.c [! _IO_MTSAFE_IO] (fgets_unlocked): Likewise. * include/resolv.h [! _LIBC_REENTRANT] (_res): #undef it before decl. * include/netdb.h [! _LIBC_REENTRANT] (h_errno): Declare normal extern. * misc/syslog.c (openlog): Conditionalize locking on [_LIBC_REENTRANT]. (closelog): Likewise. 2002-07-06 Bruno Haible <bruno@clisp.org> * sysdeps/alpha/fpu/fpu_control.h: Comment fix. * sysdeps/unix/sysv/linux/alpha/pipe.S: Moved to ... * sysdeps/unix/alpha/pipe.S: ... here. * sysdeps/unix/bsd/osf/alpha/pipe.S: File removed. * sysdeps/unix/i386/brk.S: Rename local label to '.Lhere' in ELF. * sysdeps/unix/i386/brk.S: Add PSEUDO_END invocation. * sysdeps/unix/i386/fork.S: Likewise. * sysdeps/unix/i386/pipe.S: Likewise. * sysdeps/unix/i386/wait.S: Likewise. * sysdeps/unix/fork.S: Fix PSEUDO_END argument. * sysdeps/unix/arm/fork.S: Likewise. * sysdeps/unix/sysv/linux/arm/sysdep.h (PSEUDO): Swap DO_CALL arguments. (DO_CALL): Swap argument order. * sysdeps/unix/sysv/linux/hppa/sysdep.h (PSEUDO): Swap DO_CALL arguments. (DO_CALL): Swap argument order. * sysdeps/unix/sysv/linux/i386/sysdep.h (PSEUDO): Swap DO_CALL arguments. (DO_CALL): Swap argument order. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (PSEUDO): Swap DO_CALL arguments. (DO_CALL): Swap argument order. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (PSEUDO): Swap DO_CALL arguments. (DO_CALL): Swap argument order. * sysdeps/unix/sysv/linux/sh/sysdep.h (PSEUDO): Swap DO_CALL arguments. (DO_CALL): Swap argument order. * sysdeps/unix/sysv/linux/x86_64/sysdep.h (PSEUDO): Swap DO_CALL arguments. (DO_CALL): Swap argument order. * sysdeps/i386/sysdep.h (PSEUDO): Fix syntax error. (L): Define right for ELF. * sysdeps/unix/sysv/linux/i386/sysdep.h (L): Remove definition. Now defined in sysdeps/i386/sysdep.h. * sysdeps/posix/readv.c: Ansify function definition. * sysdeps/posix/writev.c: Likewise. * stdio-common/tst-fseek.c (main): Don't assume that off_t and size_t have the same size. Avoid direct cast from size_t to off_t. * login/tst-utmp.c (simulate_login): Don't leave garbage after the nul byte in entry[n].ut_user. (simulate_logout): Likewise. * login/programs/utmpdump.c (print_entry): Test _HAVE_UT_TYPE, _HAVE_UT_PID, _HAVE_UT_ID, _HAVE_UT_HOST, instead of assuming the existence of corresponding members of 'struct utmp'. * login/tst-utmp.c: Trivialize the test if testing 'struct utmp' and !_HAVE_UT_TYPE. * sysdeps/unix/opendir.c (__opendir): If st_blksize is 0 or too small, allocate a buffer of at least BUFSIZ bytes, not just of sizeof (struct dirent). * sysdeps/generic/glob.c: Include <limits.h>. (NAME_MAX): Define a fallback. (glob_in_dir): Allocate enough room for a 'struct dirent64' on the stack. * posix/tst-dir.c: Include <stddef.h>, for offsetof. (main): Allocate enough room for a 'struct dirent64' on the stack. * posix/tst-gnuglob.c (my_DIR): Allocate enough room for a 'struct dirent'. * sysdeps/unix/sysv/linux/init-first.c: Don't include kernel-features.h. * inet/htontest.c: Include <sys/types.h>. * sysdeps/generic/sys/sysinfo.h: Surround with __{BEGIN,END}_DECLS. * include/sys/sysctl.h: Comment fix. * elf/rtld.c (_rtld_global) [! _LIBC_REENTRANT]: Don't initialize _dl_load_lock. * libio/fileno.c (fileno_unlocked): Define regardless of _IO_MTSAFE_IO. * sysdeps/unix/bsd/bsd4.4/syscalls.list (__sigaltstack): New alias. * sysdeps/unix/inet/syscalls.list (__connect_internal): New alias. (__getpeername): New alias. (__getsockname): New alias. (__socket): New alias. * sysdeps/unix/common/syscalls.list (getpgid): Remove. * sysdeps/unix/syscalls.list (__chown_internal): New alias. (__fcntl_internal): New alias. (__profil): New alias.
139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
/* Initialization code run first thing by the ELF startup code. Linux version.
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Copyright (C) 1995-1999,2000,01,02 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sysdep.h>
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#include <fpu_control.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <libc-internal.h>
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#include <ldsodefs.h>
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#ifndef SHARED
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# include "dl-osinfo.h"
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#endif
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/* The function is called from assembly stubs the compiler can't see. */
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static void init (int, char **, char **) __attribute__ ((unused));
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extern int _dl_starting_up;
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weak_extern (_dl_starting_up)
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/* Set nonzero if we have to be prepared for more then one libc being
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used in the process. Safe assumption if initializer never runs. */
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int __libc_multiple_libcs attribute_hidden = 1;
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/* Remember the command line argument and enviroment contents for
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later calls of initializers for dynamic libraries. */
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int __libc_argc attribute_hidden;
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char **__libc_argv attribute_hidden;
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static void
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init (int argc, char **argv, char **envp)
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{
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#ifdef USE_NONOPTION_FLAGS
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extern void __getopt_clean_environment (char **);
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#endif
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/* The next variable is only here to work around a bug in gcc <= 2.7.2.2.
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If the address would be taken inside the expression the optimizer
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would try to be too smart and throws it away. Grrr. */
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int *dummy_addr = &_dl_starting_up;
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__libc_multiple_libcs = dummy_addr && !_dl_starting_up;
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/* Make sure we don't initialize twice. */
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if (!__libc_multiple_libcs)
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{
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#ifndef SHARED
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DL_SYSDEP_OSCHECK (__libc_fatal);
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#endif
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/* Set the FPU control word to the proper default value if the
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kernel would use a different value. (In a static program we
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don't have this information.) */
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#ifdef SHARED
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if (__fpu_control != GL(dl_fpu_control))
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#endif
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__setfpucw (__fpu_control);
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}
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/* Save the command-line arguments. */
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__libc_argc = argc;
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__libc_argv = argv;
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__environ = envp;
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#ifndef SHARED
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__libc_init_secure ();
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/* First the initialization which normally would be done by the
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dynamic linker. */
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_dl_non_dynamic_init ();
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#endif
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__init_misc (argc, argv, envp);
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#ifdef USE_NONOPTION_FLAGS
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/* This is a hack to make the special getopt in GNU libc working. */
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__getopt_clean_environment (envp);
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#endif
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#ifdef SHARED
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__libc_global_ctors ();
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#endif
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}
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#ifdef SHARED
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strong_alias (init, _init);
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extern void __libc_init_first (void);
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void
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__libc_init_first (void)
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{
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}
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#else
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extern void __libc_init_first (int argc, char **argv, char **envp);
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void
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__libc_init_first (int argc, char **argv, char **envp)
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{
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init (argc, argv, envp);
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}
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#endif
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/* This function is defined here so that if this file ever gets into
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ld.so we will get a link error. Having this file silently included
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in ld.so causes disaster, because the _init definition above will
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cause ld.so to gain an init function, which is not a cool thing. */
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extern void _dl_start (void) __attribute__ ((noreturn));
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void
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_dl_start (void)
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{
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abort ();
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}
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