binutils-gdb/gdb/nat/x86-linux.c
Joel Brobecker 61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00

75 lines
2.0 KiB
C

/* Native-dependent code for GNU/Linux x86 (i386 and x86-64).
Copyright (C) 1999-2017 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/>. */
#include "common-defs.h"
#include "x86-linux.h"
#include "x86-linux-dregs.h"
/* Per-thread arch-specific data we want to keep. */
struct arch_lwp_info
{
/* Non-zero if our copy differs from what's recorded in the
thread. */
int debug_registers_changed;
};
/* See nat/x86-linux.h. */
void
lwp_set_debug_registers_changed (struct lwp_info *lwp, int value)
{
if (lwp_arch_private_info (lwp) == NULL)
lwp_set_arch_private_info (lwp, XCNEW (struct arch_lwp_info));
lwp_arch_private_info (lwp)->debug_registers_changed = value;
}
/* See nat/x86-linux.h. */
int
lwp_debug_registers_changed (struct lwp_info *lwp)
{
struct arch_lwp_info *info = lwp_arch_private_info (lwp);
/* NULL means either that this is the main thread still going
through the shell, or that no watchpoint has been set yet.
The debug registers are unchanged in either case. */
if (info == NULL)
return 0;
return info->debug_registers_changed;
}
/* See nat/x86-linux.h. */
void
x86_linux_new_thread (struct lwp_info *lwp)
{
lwp_set_debug_registers_changed (lwp, 1);
}
/* See nat/x86-linux.h. */
void
x86_linux_prepare_to_resume (struct lwp_info *lwp)
{
x86_linux_update_debug_registers (lwp);
}