/* Copyright (C) 1991, 93, 1995-1998, 2000 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. In addition to the permissions in the GNU Lesser General Public License, the Free Software Foundation gives you unlimited permission to link the compiled version of this file with other programs, and to distribute those programs without any restriction coming from the use of this file. (The GNU Lesser General Public License restrictions do apply in other respects; for example, they cover modification of the file, and distribution when not linked into another program.) Note that people who make modified versions of this file are not obligated to grant this special exception for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License gives permission to release a modified version without this exception; this exception also makes it possible to release a modified version which carries forward this exception. 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. */ #include #include #include #include /* In case it wants to define anything. */ /* The first piece of initialized data. */ int __data_start = 0; #ifdef HAVE_WEAK_SYMBOLS weak_alias (__data_start, data_start) #endif #ifdef DUMMIES #define ARG_DUMMIES DUMMIES, #define DECL_DUMMIES int DUMMIES; #else #define ARG_DUMMIES #define DECL_DUMMIES #endif extern void __libc_init (int argc, char **argv, char **envp); extern int main (int argc, char **argv, char **envp); /* Not a prototype because it gets called strangely. */ static void start1(); #ifndef HAVE__start /* N.B.: It is important that this be the first function. This file is the first thing in the text section. */ void _start () { start1 (); } #ifndef NO_UNDERSCORES /* Make an alias called `start' (no leading underscore, so it can't conflict with C symbols) for `_start'. This is the name vendor crt0.o's tend to use, and thus the name most linkers expect. */ asm (".set start, __start"); #endif #endif /* ARGSUSED */ static void start1 (ARG_DUMMIES argc, argp) DECL_DUMMIES int argc; char *argp; { char **argv = &argp; /* The environment starts just after ARGV. */ __environ = &argv[argc + 1]; /* If the first thing after ARGV is the arguments themselves, there is no environment. */ if ((char *) __environ == *argv) /* The environment is empty. Make __environ point at ARGV[ARGC], which is NULL. */ --__environ; /* Do C library initializations. */ __libc_init (argc, argv, __environ); /* Call the user program. */ exit (main (argc, argv, __environ)); }