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Share parts of gdb/gdbthread.h with gdbserver

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GDB and gdbserver now share 'switch_to_thread' because of
fork_inferior.  To make things clear, I created a new file name
common/common-gdbthread.h, and left the implementation specific to
each part.

gdb/ChangeLog:
2017-06-07  Sergio Durigan Junior  <sergiodj@redhat.com>

	* Makefile.in (HFILES_NO_SRCDIR): Add "common/common-gdbthread.h".
	* common/common-gdbthread.h: New file, with parts from
	"gdb/gdbthread.h".
	* gdbthread.h: Include "common-gdbthread.h".
	(switch_to_thread): Moved to "common/common-gdbthread.h".

gdb/gdbserver/ChangeLog:
2017-06-07  Sergio Durigan Junior  <sergiodj@redhat.com>

	* inferiors.c (switch_to_thread): New function.
This commit is contained in:
Sergio Durigan Junior 2016-12-22 13:30:42 -05:00
parent 156525114c
commit 043a49349c
6 changed files with 48 additions and 4 deletions
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8
gdb/ChangeLog
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@ -1,3 +1,11 @@
2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com>
* Makefile.in (HFILES_NO_SRCDIR): Add "common/common-gdbthread.h".
* common/common-gdbthread.h: New file, with parts from
"gdb/gdbthread.h".
* gdbthread.h: Include "common-gdbthread.h".
(switch_to_thread): Moved to "common/common-gdbthread.h".
2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com>
* Makefile.in (SFILES): Add "common/job-control.c".

1
gdb/Makefile.in
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@ -1508,6 +1508,7 @@ HFILES_NO_SRCDIR = \
common/common-debug.h \
common/common-defs.h \
common/common-exceptions.h \
common/common-gdbthread.h \
common/common-regcache.h \
common/common-types.h \
common/common-utils.h \

25
gdb/common/common-gdbthread.h Normal file
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@ -0,0 +1,25 @@
/* Common multi-process/thread control defs for GDB and gdbserver.
Copyright (C) 1987-2017 Free Software Foundation, Inc.
This file is part of GDB.
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef COMMON_GDBTHREAD_H
#define COMMON_GDBTHREAD_H
/* Switch from one thread to another. */
extern void switch_to_thread (ptid_t ptid);
#endif /* ! COMMON_GDBTHREAD_H */

4
gdb/gdbserver/ChangeLog
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@ -1,3 +1,7 @@
2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com>
* inferiors.c (switch_to_thread): New function.
2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com>
* Makefile.in (SFILE): Add "common/job-control.c".

9
gdb/gdbserver/inferiors.c
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@ -468,3 +468,12 @@ make_cleanup_restore_current_thread (void)
{
return make_cleanup (do_restore_current_thread_cleanup, current_thread);
}
/* See common/common-gdbthread.h. */
void
switch_to_thread (ptid_t ptid)
{
if (!ptid_equal (ptid, minus_one_ptid))
current_thread = find_thread_ptid (ptid);
}

5
gdb/gdbthread.h
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@ -32,6 +32,7 @@ struct symtab;
#include "target/waitstatus.h"
#include "cli/cli-utils.h"
#include "common/refcounted-object.h"
#include "common-gdbthread.h"
/* Frontend view of the thread state. Possible extensions: stepping,
finishing, until(ling),... */
@ -493,10 +494,6 @@ extern struct thread_info *iterate_over_threads (thread_callback_func, void *);
extern int thread_count (void);
/* Switch from one thread to another. Also sets the STOP_PC
global. */
extern void switch_to_thread (ptid_t ptid);
/* Switch from one thread to another. Does not read registers and
sets STOP_PC to -1. */
extern void switch_to_thread_no_regs (struct thread_info *thread);