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/* Data from initial program startup for running under the GNU Hurd.
Copyright (C) 1995, 1997 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 Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _HURDSTARTUP_H
#define _HURDSTARTUP_H 1
/* Interesting data saved from the exec_startup reply.
The DATA argument to *MAIN (see below) points to:
int argc;
char *argv[argc];
char *argv_terminator = NULL;
char *envp[?];
char *envp_terminator = NULL;
struct hurd_startup_data data;
*/
struct hurd_startup_data
{
int flags;
mach_port_t *dtable;
mach_msg_type_number_t dtablesize;
mach_port_t *portarray;
mach_msg_type_number_t portarraysize;
int *intarray;
mach_msg_type_number_t intarraysize;
vm_address_t stack_base;
vm_size_t stack_size;
vm_address_t phdr;
vm_size_t phdrsz;
vm_address_t user_entry;
};
/* Initialize Mach RPCs; do initial handshake with the exec server (or
extract the arguments from the stack in the case of the bootstrap task);
finally, call *MAIN with the information gleaned. That function is not
expected to return. ARGPTR should be the address of the first argument
of the entry point function that is called with the stack exactly as the
exec server or kernel sets it. */
extern void _hurd_startup (void **argptr, void (*main) (int *data));
#endif /* hurdstartup.h */
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