Hurd: Adapt to changed MIG output.

	gdb/
	* reply_mig_hack.awk: Don't expect to see the auto keyword.

Based on a patch by David Michael <fedora.dm0@gmail.com>.
Hurd: Make MIG output parsing more robust.

	gdb/
	* reply_mig_hack.awk: In phase 5, keep going if we have not yet
	collected the type check structures.

Based on a patch by David Michael <fedora.dm0@gmail.com>.
Hurd: New RPC reply stub functions.

	gdb/
	* gnu-nat.c (ill_rpc): Remove function; replaced with this...
	(ILL_RPC): ... new macro.
	(do_mach_notify_no_senders, do_mach_notify_port_deleted)
	(do_mach_notify_msg_accepted, do_mach_notify_port_destroyed)
	(do_mach_notify_send_once, S_proc_setmsgport_reply)
	(S_proc_getmsgport_reply, S_msg_sig_post_reply): Generate stub
	functions with ILL_RPC macro.
	(S_proc_pid2task_reply, S_proc_task2pid_reply)
	(S_proc_task2proc_reply, S_proc_proc2task_reply)
	(S_proc_pid2proc_reply, S_proc_getprocinfo_reply)
	(S_proc_getprocargs_reply, S_proc_getprocenv_reply)
	(S_proc_getloginid_reply, S_proc_getloginpids_reply)
	(S_proc_getlogin_reply, S_proc_getsid_reply)
	(S_proc_getsessionpgids_reply, S_proc_getsessionpids_reply)
	(S_proc_getsidport_reply, S_proc_getpgrp_reply)
	(S_proc_getpgrppids_reply, S_proc_get_tty_reply)
	(S_proc_getnports_reply, S_proc_is_important_reply)
	(S_proc_get_code_reply): New stub functions, generated with
	ILL_RPC macro.

Based on a patch by David Michael <fedora.dm0@gmail.com>.
Hurd: Adjust to startup-with-shell changes.

In commit 98882a26513e25b2161b41dfd4bed97b59b2c01a, STARTUP_WITH_SHELL was made
a runtime toggle, startup-with-shell.  The Hurd code was missed to be adjusted;
it had a value hard-coded instead of using START_INFERIOR_TRAPS_EXPECTED.  Fix
that, and also simplify gnu-nat's pending_execs handling from counting to just
a flag.

	gdb/
	* gnu-nat.c (struct inf): Change pending_execs member to a 1-bit
	flag.  Adjust all users; in particular...
	(gnu_wait): ..., don't decrement its value in here...
	(gnu_create_inferior): ..., and instead set the flag in here,
	around the startup_inferior call, and call that one with
	START_INFERIOR_TRAPS_EXPECTED.
ld: Remove Hurd-specific XFAILs related to weak symbols.

This has been fixed properly, in glibc.

	ld/testsuite/
	* ld-elfweak/elfweak.exp (setup_xfail_gnu_hurd): Remove function
	and all usage of it.
Missing ChangeLog entry from commit 60ef20e28534cf093d5bd799b3830c68381bb27f.
Fix "ERROR: no fileid for" in the testsuite.

If GDB has crashed then gdb_spawn_id still exists (although it does not work).
So my patch does not change anything.  And also currently it will leave the
stale gdbserver running anyway.

In general if gdb_spawn_id does not exist then send_gdb + gdb_expect just do
not make sense anyway.  So this patch just prevents the error in such case.

The killing of stale gdbserver could be improved multiple ways (also as
suggested by Pedro in the original thread) but that is IMO outside of the
scope of this patch.  Apparently if there is no good response from GDB then
gdb_finish() should try to call gdb_start just to kill that gdbserver, IIUC.

gdb/testsuite/
2014-02-16  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Fix "ERROR: no fileid for" in the testsuite.
	* lib/gdb.exp (gdb_finish): Check gdb_spawn_id.

Message-ID: <20140206205814.GA18495@host2.jankratochvil.net>
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