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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/* Copyright (C) 1991, 93, 1995-1998, 2000 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 <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sysdep.h> /* In case it wants to define anything. */
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/* The first piece of initialized data. */
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int __data_start = 0;
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#ifdef HAVE_WEAK_SYMBOLS
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weak_alias (__data_start, data_start)
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#endif
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#ifdef DUMMIES
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#define ARG_DUMMIES DUMMIES,
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#define DECL_DUMMIES int DUMMIES;
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#else
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#define ARG_DUMMIES
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#define DECL_DUMMIES
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#endif
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#ifndef errno
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/* __errno must be initialized since otherwise one cannot create an
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alias (at least on some platforms). */
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volatile int __errno = 0;
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strong_alias (__errno, errno)
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#endif
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extern void __libc_init (int argc, char **argv, char **envp);
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extern int main (int argc, char **argv, char **envp);
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/* Not a prototype because it gets called strangely. */
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static void start1();
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#ifndef HAVE__start
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/* N.B.: It is important that this be the first function.
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This file is the first thing in the text section. */
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void
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_start ()
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{
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start1 ();
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}
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#ifndef NO_UNDERSCORES
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/* Make an alias called `start' (no leading underscore, so it can't
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conflict with C symbols) for `_start'. This is the name vendor crt0.o's
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tend to use, and thus the name most linkers expect. */
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asm (".set start, __start");
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#endif
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#endif
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/* ARGSUSED */
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static void
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start1 (ARG_DUMMIES argc, argp)
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DECL_DUMMIES
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int argc;
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char *argp;
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{
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char **argv = &argp;
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/* The environment starts just after ARGV. */
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__environ = &argv[argc + 1];
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/* If the first thing after ARGV is the arguments
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themselves, there is no environment. */
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if ((char *) __environ == *argv)
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/* The environment is empty. Make __environ
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point at ARGV[ARGC], which is NULL. */
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--__environ;
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/* Do C library initializations. */
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__libc_init (argc, argv, __environ);
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/* Call the user program. */
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exit (main (argc, argv, __environ));
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}
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