61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
|
*
|
|
* This file is part of GNU Mes.
|
|
*
|
|
* GNU Mes is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or (at
|
|
* your option) any later version.
|
|
*
|
|
* GNU Mes 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/** Commentary:
|
|
Inspired by implementation in GNU C Library:
|
|
Initialization code run first thing by the ELF startup code. For i386/Hurd.
|
|
Copyright (C) 1995-2016 Free Software Foundation, Inc.
|
|
*/
|
|
|
|
#include <mes/lib-mini.h>
|
|
#include <argz.h>
|
|
#include <gnu/hurd.h>
|
|
#include <gnu/syscall.h>
|
|
|
|
#include <mach/mach-init.h>
|
|
#include <mach/mach_types.h>
|
|
#include <mach/message.h>
|
|
#include <mach/port.h>
|
|
|
|
struct hurd_startup_data _hurd_startup_data;
|
|
mach_port_t _hurd_dtable[_HURD_DTABLE_MAX];
|
|
int _hurd_dtable_count;
|
|
size_t __argc;
|
|
char *__argv[_HURD_ARGV_MAX];
|
|
char *__envv[_HURD_ENVV_MAX];
|
|
|
|
void __mach_init (void);
|
|
|
|
void
|
|
_hurd_start ()
|
|
{
|
|
mach_port_t bootstrap;
|
|
__mach_init ();
|
|
__task_get_special_port (mach_task_self (), TASK_BOOTSTRAP_PORT,
|
|
&bootstrap);
|
|
__exec_startup_get_data (bootstrap, &_hurd_startup_data);
|
|
_hurd_dtable_count = _hurd_startup_data.dtable_count;
|
|
for (int i = 0; i < _hurd_dtable_count; i++)
|
|
_hurd_dtable[i] = _hurd_startup_data.dtable[i];
|
|
__argc = __argz_extract_count (_hurd_startup_data.argp, _hurd_startup_data.arg_size, __argv);
|
|
__argz_extract (_hurd_startup_data.envp, _hurd_startup_data.env_size, __envv);
|
|
environ = __envv;
|
|
}
|