mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/* Special startup code for ARM a.out binaries.
|
|
Copyright (C) 1998, 2004, 2012 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 <errno.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <sysdep.h>
|
|
|
|
/* The first piece of initialized data. */
|
|
int __data_start = 0;
|
|
weak_alias (__data_start, data_start)
|
|
|
|
extern void __libc_init (int argc, char **argv, char **envp);
|
|
extern int main (int argc, char **argv, char **envp);
|
|
|
|
/* N.B.: It is important that this be the first function.
|
|
This file is the first thing in the text section. */
|
|
|
|
/* If this was in C it might create its own stack frame and
|
|
screw up the arguments. */
|
|
asm (".text; .globl _start; _start: B start1");
|
|
|
|
/* Fool gcc into thinking that more args are passed. This makes it look
|
|
on the stack (correctly) for the real arguments. It causes somewhat
|
|
strange register usage in start1(), but we aren't too bothered about
|
|
that at the moment. */
|
|
#define DUMMIES a1, a2, a3, a4
|
|
|
|
#ifdef DUMMIES
|
|
#define ARG_DUMMIES DUMMIES,
|
|
#define DECL_DUMMIES int DUMMIES;
|
|
#else
|
|
#define ARG_DUMMIES
|
|
#define DECL_DUMMIES
|
|
#endif
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
start1 (ARG_DUMMIES argc, argv, envp)
|
|
DECL_DUMMIES
|
|
int argc;
|
|
char **argv;
|
|
char **envp;
|
|
{
|
|
/* Store a pointer to the environment. */
|
|
__environ = envp;
|
|
|
|
/* Do C library initializations. */
|
|
__libc_init (argc, argv, __environ);
|
|
|
|
/* Call the user program. */
|
|
exit (main (argc, argv, __environ));
|
|
}
|