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Introduce common-regcache.h

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This introduces common-regcache.h.  This contains two functions that
allow nat/linux-btrace.c to be simplified.  A better long term
solution would be unify the regcache code, but this is sufficient for
now.

gdb/ChangeLog:

	* common/common-regcache.h: New file.
	* Makefile.in (HFILES_NO_SRCDIR): Add common/common-regcache.h.
	* regcache.h: Include common-regcache.h.
	(regcache_read_pc): Don't declare.
	* regcache.c (get_thread_regcache_for_ptid): New function.
	* nat/linux-btrace.c: Don't include regcache.h.
	Include common-regcache.h.
	(perf_event_read_bts): Use get_thread_regcache_for_ptid.

gdb/gdbserver/ChangeLog:

	* regcache.h: Include common-regcache.h.
	(regcache_read_pc): Don't declare.
	* regcache.c (get_thread_regcache_for_ptid): New function.
This commit is contained in:
Gary Benson
2014-09-12 10:11:42 +01:00
parent ac4eb73652
commit 361c8ade9c
9 changed files with 80 additions and 9 deletions
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36
gdb/common/common-regcache.h Normal file
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/* Cache and manage the values of registers
Copyright (C) 2014 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_REGCACHE_H
#define COMMON_REGCACHE_H
/* This header is a stopgap until we have an independent regcache. */
/* Return a pointer to the register cache associated with the
thread specified by PTID. This function must be provided by
the client. */
extern struct regcache *get_thread_regcache_for_ptid (ptid_t ptid);
/* Read the PC register. This function must be provided by the
client. */
extern CORE_ADDR regcache_read_pc (struct regcache *regcache);
#endif /* COMMON_REGCACHE_H */