2000-03-27 13:18:47 +08:00
|
|
|
|
/* Copyright (C) 1992,93,94,95,96,97,98,99,2000 Free Software Foundation, Inc.
|
1997-02-15 12:31:36 +08:00
|
|
|
|
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. */
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
|
|
#include <sys/stat.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#include <stdio.h>
|
|
|
|
|
#include <unistd.h>
|
|
|
|
|
#include <hurd.h>
|
|
|
|
|
#include <hurd/port.h>
|
|
|
|
|
#include "set-hooks.h"
|
|
|
|
|
#include "hurdmalloc.h" /* XXX */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int _hurd_exec_flags;
|
|
|
|
|
struct hurd_port *_hurd_ports;
|
|
|
|
|
unsigned int _hurd_nports;
|
|
|
|
|
mode_t _hurd_umask;
|
1996-05-04 17:46:57 +08:00
|
|
|
|
sigset_t _hurdsig_traced;
|
1997-02-24 06:09:31 +08:00
|
|
|
|
|
1996-09-22 04:05:50 +08:00
|
|
|
|
char **__libc_argv;
|
1997-02-24 06:09:31 +08:00
|
|
|
|
int __libc_argc;
|
1996-09-22 04:05:50 +08:00
|
|
|
|
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
Sat Oct 14 02:52:36 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* malloc/malloc.c (_malloc_internal): Performance fix. Move
if statement out of loop.
* stdio/_itoa.c, stdio/_itoa.h: Complete rewrite. Much faster
implementation using GMP functions. Contributed by
Torbjorn Granlund and Ulrich Drepper.
* stdio/test_rdwr.c: Include <errno.h>.
* sysdeps/i386/i586/Implies: New file.
New highly optimized string functions for i[345]86.
* sysdeps/i386/memchr.S, sysdeps/i386/memcmp.S: New files.
* sysdeps/i386/stpcpy.S, sysdeps/i386/stpncpy.S: New files.
* sysdeps/i386/strchr.S, sysdeps/i386/strcspn.S: New files.
* sysdeps/i386/strpbrk.S, sysdeps/i386/strrchr.S: New files.
* sysdeps/i386/strspn.S, sysdeps/i386/i486/strcat.S: New files.
* sysdeps/i386/i486/strlen.S, sysdeps/i386/i586/strchr.S: New files.
* sysdeps/i386/i586/strlen.S: New file.
* sysdeps/i386/memchr.c: Removed. There is now an assembler version.
* sysdeps/i386/i586/memcopy.h (WORD_COPY_BWD): Parameters did
not correspond to used values.
* sysdeps/unix/sysv/linux/nfs/nfs.h: New file. Simply a wrapper
around a kernel header file.
* sysdeps/unix/sysv/linux/Dist: Add it.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=sunrpc] (headers):
Likewise.
* sysdeps/unix/sysv/linux/local_lim.h: Rewrite. Instead of
defining ourself we use a kernel header file.
* sysdeps/unix/sysv/linux/i386/sysdep.h (DO_CALL): Optimize system
call handler for i586.
* sysdeps/unix/sysv/linux/sys/param.h: Add copyright and clean up.
Sat Oct 14 02:52:36 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* malloc/malloc.c (_malloc_internal): Performance fix. Move
if statement out of loop.
* stdio/_itoa.c, stdio/_itoa.h: Complete rewrite. Much faster
implementation using GMP functions. Contributed by
Torbjorn Granlund and Ulrich Drepper.
* stdio/test_rdwr.c: Include <errno.h>.
* sysdeps/i386/i586/Implies: New file.
New highly optimized string functions for i[345]86.
* sysdeps/i386/memchr.S, sysdeps/i386/memcmp.S: New files.
* sysdeps/i386/stpcpy.S, sysdeps/i386/stpncpy.S: New files.
* sysdeps/i386/strchr.S, sysdeps/i386/strcspn.S: New files.
* sysdeps/i386/strpbrk.S, sysdeps/i386/strrchr.S: New files.
* sysdeps/i386/strspn.S, sysdeps/i386/i486/strcat.S: New files.
* sysdeps/i386/i486/strlen.S, sysdeps/i386/i586/strchr.S: New files.
* sysdeps/i386/i586/strlen.S: New file.
* sysdeps/i386/memchr.c: Removed. There is now an assembler version.
* sysdeps/i386/i586/memcopy.h (WORD_COPY_BWD): Parameters did
not correspond to used values.
* sysdeps/unix/sysv/linux/nfs/nfs.h: New file. Simply a wrapper
around a kernel header file.
* sysdeps/unix/sysv/linux/Dist: Add it.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=sunrpc] (headers):
Likewise.
* sysdeps/unix/sysv/linux/local_lim.h: Rewrite. Instead of
defining ourself we use a kernel header file.
* sysdeps/unix/sysv/linux/i386/sysdep.h (DO_CALL): Optimize system
call handler for i586.
* sysdeps/unix/sysv/linux/sys/param.h: Add copyright and clean up.
1995-10-16 09:37:51 +08:00
|
|
|
|
error_t
|
|
|
|
|
_hurd_ports_use (int which, error_t (*operate) (mach_port_t))
|
|
|
|
|
{
|
|
|
|
|
return HURD_PORT_USE (&_hurd_ports[which], (*operate) (port));
|
|
|
|
|
}
|
|
|
|
|
|
1995-02-18 09:27:10 +08:00
|
|
|
|
DEFINE_HOOK (_hurd_subinit, (void));
|
|
|
|
|
|
|
|
|
|
/* Initialize the library data structures from the
|
|
|
|
|
ints and ports passed to us by the exec server.
|
|
|
|
|
|
|
|
|
|
PORTARRAY and INTARRAY are vm_deallocate'd. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
_hurd_init (int flags, char **argv,
|
|
|
|
|
mach_port_t *portarray, size_t portarraysize,
|
|
|
|
|
int *intarray, size_t intarraysize)
|
|
|
|
|
{
|
Mon Mar 20 03:19:23 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* stdio/vfscanf.c (%n): Use READ_IN - 1, so as not to count the
read-ahead character.
* hurd/dtable.c, hurd/getdport.c, hurd/hurd.h, hurd/hurdexec.c,
hurd/hurdinit.c, hurd/hurdprio.c, hurd/hurdsock.c,
hurd/ports-get.c, hurd/ports-set.c, hurd/setauth.c,
hurd/setuids.c, sysdeps/mach/hurd/i386/trampoline.c:
Get anal with unsigned to pacify compiler.
1995-03-20 16:21:38 +08:00
|
|
|
|
size_t i;
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
|
|
_hurd_exec_flags = flags;
|
|
|
|
|
|
|
|
|
|
_hurd_ports = malloc (portarraysize * sizeof (*_hurd_ports));
|
|
|
|
|
if (_hurd_ports == NULL)
|
|
|
|
|
__libc_fatal ("Can't allocate _hurd_ports\n");
|
|
|
|
|
_hurd_nports = portarraysize;
|
|
|
|
|
|
|
|
|
|
/* See what ports we were passed. */
|
|
|
|
|
for (i = 0; i < portarraysize; ++i)
|
|
|
|
|
_hurd_port_init (&_hurd_ports[i], portarray[i]);
|
|
|
|
|
|
|
|
|
|
/* When the user asks for the bootstrap port,
|
|
|
|
|
he will get the one the exec server passed us. */
|
|
|
|
|
__task_set_special_port (__mach_task_self (), TASK_BOOTSTRAP_PORT,
|
|
|
|
|
portarray[INIT_PORT_BOOTSTRAP]);
|
|
|
|
|
|
|
|
|
|
if (intarraysize > INIT_UMASK)
|
|
|
|
|
_hurd_umask = intarray[INIT_UMASK] & 0777;
|
|
|
|
|
else
|
|
|
|
|
_hurd_umask = CMASK;
|
|
|
|
|
|
1996-05-04 17:46:57 +08:00
|
|
|
|
if (intarraysize > INIT_TRACEMASK)
|
|
|
|
|
_hurdsig_traced = intarray[INIT_TRACEMASK];
|
|
|
|
|
|
1996-05-29 22:05:50 +08:00
|
|
|
|
/* Tell the proc server we exist, if it does. */
|
|
|
|
|
if (portarray[INIT_PORT_PROC] != MACH_PORT_NULL)
|
1998-11-11 17:56:51 +08:00
|
|
|
|
_hurd_proc_init (argv, intarray, intarraysize);
|
1996-05-29 22:05:50 +08:00
|
|
|
|
|
1995-02-18 09:27:10 +08:00
|
|
|
|
/* All done with init ints and ports. */
|
|
|
|
|
__vm_deallocate (__mach_task_self (),
|
|
|
|
|
(vm_address_t) intarray,
|
|
|
|
|
intarraysize * sizeof (int));
|
|
|
|
|
__vm_deallocate (__mach_task_self (),
|
|
|
|
|
(vm_address_t) portarray,
|
|
|
|
|
portarraysize * sizeof (mach_port_t));
|
|
|
|
|
|
|
|
|
|
if (flags & EXEC_SECURE)
|
|
|
|
|
/* XXX if secure exec, elide environment variables
|
|
|
|
|
which the library uses and could be security holes.
|
|
|
|
|
CORESERVER, COREFILE
|
|
|
|
|
*/ ;
|
|
|
|
|
|
|
|
|
|
/* Call other things which want to do some initialization. These are not
|
|
|
|
|
on the __libc_subinit hook because things there like to be able to
|
|
|
|
|
assume the availability of the POSIX.1 services we provide. */
|
|
|
|
|
RUN_HOOK (_hurd_subinit, ());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#include <hurd/signal.h>
|
|
|
|
|
|
|
|
|
|
/* The user can do "int _hide_arguments = 1;" to make
|
|
|
|
|
sure the arguments are never visible with `ps'. */
|
|
|
|
|
int _hide_arguments, _hide_environment;
|
|
|
|
|
|
|
|
|
|
/* Hook for things which should be initialized as soon as the proc
|
|
|
|
|
server is available. */
|
|
|
|
|
DEFINE_HOOK (_hurd_proc_subinit, (void));
|
|
|
|
|
|
|
|
|
|
/* Do startup handshaking with the proc server just installed in _hurd_ports.
|
|
|
|
|
Call _hurdsig_init to set up signal processing. */
|
|
|
|
|
|
|
|
|
|
void
|
1998-12-04 21:47:40 +08:00
|
|
|
|
_hurd_new_proc_init (char **argv,
|
|
|
|
|
const int *intarray, size_t intarraysize)
|
1995-02-18 09:27:10 +08:00
|
|
|
|
{
|
|
|
|
|
mach_port_t oldmsg;
|
|
|
|
|
struct hurd_userlink ulink;
|
|
|
|
|
process_t procserver;
|
|
|
|
|
|
|
|
|
|
/* Initialize the signal code; Mach exceptions will become signals. */
|
1998-11-11 17:56:51 +08:00
|
|
|
|
_hurdsig_init (intarray, intarraysize);
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
|
|
/* The signal thread is now prepared to receive messages.
|
|
|
|
|
It is safe to give the port to the proc server. */
|
|
|
|
|
|
|
|
|
|
procserver = _hurd_port_get (&_hurd_ports[INIT_PORT_PROC], &ulink);
|
|
|
|
|
|
|
|
|
|
/* Give the proc server our message port. */
|
|
|
|
|
__proc_setmsgport (procserver, _hurd_msgport, &oldmsg);
|
|
|
|
|
if (oldmsg != MACH_PORT_NULL)
|
|
|
|
|
/* Deallocate the old msg port we replaced. */
|
|
|
|
|
__mach_port_deallocate (__mach_task_self (), oldmsg);
|
|
|
|
|
|
|
|
|
|
/* Tell the proc server where our args and environment are. */
|
|
|
|
|
__proc_set_arg_locations (procserver,
|
|
|
|
|
_hide_arguments ? 0 : (vm_address_t) argv,
|
|
|
|
|
_hide_environment ? 0 : (vm_address_t) __environ);
|
|
|
|
|
|
|
|
|
|
_hurd_port_free (&_hurd_ports[INIT_PORT_PROC], &ulink, procserver);
|
|
|
|
|
|
|
|
|
|
/* Initialize proc server-assisted fault recovery for the signal thread. */
|
|
|
|
|
_hurdsig_fault_init ();
|
|
|
|
|
|
|
|
|
|
/* Call other things which want to do some initialization. These are not
|
|
|
|
|
on the _hurd_subinit hook because things there assume that things done
|
|
|
|
|
here, like _hurd_pid, are already initialized. */
|
|
|
|
|
RUN_HOOK (_hurd_proc_subinit, ());
|
|
|
|
|
|
1999-04-30 21:52:59 +08:00
|
|
|
|
/* XXX This code should probably be removed entirely at some point. This
|
|
|
|
|
conditional should make it reasonably usable with old gdb's for a
|
|
|
|
|
while. Eventually it probably makes most sense for the exec server to
|
|
|
|
|
mask out EXEC_SIGTRAP so the debugged program is closer to not being
|
|
|
|
|
able to tell it's being debugged. */
|
|
|
|
|
if (_hurdsig_traced
|
|
|
|
|
#ifdef EXEC_SIGTRAP
|
|
|
|
|
&& !(_hurd_exec_flags & EXEC_SIGTRAP)
|
|
|
|
|
#endif
|
|
|
|
|
)
|
1995-02-18 09:27:10 +08:00
|
|
|
|
/* This process is "traced", meaning it should stop on signals or exec.
|
|
|
|
|
We are all set up now to handle signals. Stop ourselves, to inform
|
|
|
|
|
our parent (presumably a debugger) that the exec has completed. */
|
1996-05-04 17:46:57 +08:00
|
|
|
|
__msg_sig_post (_hurd_msgport, SIGTRAP, 0, __mach_task_self ());
|
1995-02-18 09:27:10 +08:00
|
|
|
|
}
|
1998-12-04 21:47:40 +08:00
|
|
|
|
|
2000-03-27 13:18:47 +08:00
|
|
|
|
#include <shlib-compat.h>
|
|
|
|
|
versioned_symbol (libc, _hurd_new_proc_init, _hurd_proc_init, GLIBC_2_1);
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
|
|
/* Called when we get a message telling us to change our proc server port. */
|
|
|
|
|
|
|
|
|
|
error_t
|
|
|
|
|
_hurd_setproc (process_t procserver)
|
|
|
|
|
{
|
|
|
|
|
error_t err;
|
|
|
|
|
mach_port_t oldmsg;
|
|
|
|
|
|
|
|
|
|
/* Give the proc server our message port. */
|
|
|
|
|
if (err = __proc_setmsgport (procserver, _hurd_msgport, &oldmsg))
|
|
|
|
|
return err;
|
|
|
|
|
if (oldmsg != MACH_PORT_NULL)
|
|
|
|
|
/* Deallocate the old msg port we replaced. */
|
|
|
|
|
__mach_port_deallocate (__mach_task_self (), oldmsg);
|
|
|
|
|
|
|
|
|
|
/* Tell the proc server where our args and environment are. */
|
|
|
|
|
if (err = __proc_set_arg_locations (procserver,
|
1996-09-06 08:08:55 +08:00
|
|
|
|
_hide_arguments ? 0 :
|
|
|
|
|
(vm_address_t) __libc_argv,
|
1995-02-18 09:27:10 +08:00
|
|
|
|
_hide_environment ? 0 :
|
|
|
|
|
(vm_address_t) __environ))
|
|
|
|
|
return err;
|
|
|
|
|
|
|
|
|
|
/* Those calls worked, so the port looks good. */
|
|
|
|
|
_hurd_port_set (&_hurd_ports[INIT_PORT_PROC], procserver);
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
pid_t oldpgrp = _hurd_pgrp;
|
|
|
|
|
|
|
|
|
|
/* Call these functions again so they can fetch the
|
|
|
|
|
new information from the new proc server. */
|
|
|
|
|
RUN_HOOK (_hurd_proc_subinit, ());
|
|
|
|
|
|
|
|
|
|
if (_hurd_pgrp != oldpgrp)
|
|
|
|
|
{
|
|
|
|
|
/* Run things that want notification of a pgrp change. */
|
|
|
|
|
DECLARE_HOOK (_hurd_pgrp_changed_hook, (pid_t));
|
|
|
|
|
RUN_HOOK (_hurd_pgrp_changed_hook, (_hurd_pgrp));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|