67d82a6de5
* include/gnu/hurd.h (struct hurd_startup_data): Add argp, envp. * lib/gnu/hurd-start.c (__argv, __env): Define them. * lib/gnu/exec-startup-get-data.c (mach_startup_info2hurd_startup_data): Set them. * lib/gnu/x86-mes-gcc/crt1.c (_start): Use them. * build-aux/configure-lib.sh (libc_mini_SOURCES): Add argz-extract.c. * include/argz.h: Build fix. * lib/string/argz-count.c: Likewise. * lib/string/argz-extract.c: Likewise.
61 lines
2 KiB
C
61 lines
2 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** Commentary:
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Inspired by implementation in GNU C Library:
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Initialization code run first thing by the ELF startup code. For i386/Hurd.
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Copyright (C) 1995-2016 Free Software Foundation, Inc.
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*/
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#include <mes/lib-mini.h>
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#include <argz.h>
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#include <gnu/hurd.h>
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#include <gnu/syscall.h>
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#include <mach/mach-init.h>
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#include <mach/mach_types.h>
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#include <mach/message.h>
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#include <mach/port.h>
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struct hurd_startup_data _hurd_startup_data;
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mach_port_t _hurd_dtable[_HURD_DTABLE_MAX];
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int _hurd_dtable_count;
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size_t __argc;
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char *__argv[_HURD_ARGV_MAX];
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char *__envv[_HURD_ENVV_MAX];
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void __mach_init (void);
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void
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_hurd_start ()
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{
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mach_port_t bootstrap;
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__mach_init ();
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__task_get_special_port (__mach_task_self (), TASK_BOOTSTRAP_PORT,
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&bootstrap);
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__exec_startup_get_data (bootstrap, &_hurd_startup_data);
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_hurd_dtable_count = _hurd_startup_data.dtable_count;
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for (int i = 0; i < _hurd_dtable_count; i++)
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_hurd_dtable[i] = _hurd_startup_data.dtable[i];
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__argc = __argz_extract_count (_hurd_startup_data.argp, _hurd_startup_data.arg_size, __argv);
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__argz_extract (_hurd_startup_data.envp, _hurd_startup_data.env_size, __envv);
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environ = __envv;
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}
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