mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-21 01:12:32 +08:00
4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/* Native-dependent code for GNU/Linux x86 (i386 and x86-64).
|
|
|
|
Copyright (C) 1999-2022 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 "gdbsupport/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_delete_thread (struct arch_lwp_info *arch_lwp)
|
|
{
|
|
xfree (arch_lwp);
|
|
}
|
|
|
|
/* See nat/x86-linux.h. */
|
|
|
|
void
|
|
x86_linux_prepare_to_resume (struct lwp_info *lwp)
|
|
{
|
|
x86_linux_update_debug_registers (lwp);
|
|
}
|