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/* Internal interfaces for the Windows code
Copyright (C) 1995-2020 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 NAT_WINDOWS_NAT_H
#define NAT_WINDOWS_NAT_H
#include <windows.h>
/* Thread information structure used to track extra information about
each thread. */
struct windows_thread_info
{
windows_thread_info (DWORD tid_, HANDLE h_, CORE_ADDR tlb)
: tid (tid_),
h (h_),
thread_local_base (tlb)
{
}
DISABLE_COPY_AND_ASSIGN (windows_thread_info);
/* Ensure that this thread has been suspended. */
void suspend ();
/* Resume the thread if it has been suspended. */
void resume ();
/* The Win32 thread identifier. */
DWORD tid;
/* The handle to the thread. */
HANDLE h;
/* Thread Information Block address. */
CORE_ADDR thread_local_base;
/* This keeps track of whether SuspendThread was called on this
thread. -1 means there was a failure or that the thread was
explicitly not suspended, 1 means it was called, and 0 means it
was not. */
int suspended = 0;
#ifdef _WIN32_WCE
/* The context as retrieved right after suspending the thread. */
CONTEXT base_context {};
#endif
/* The context of the thread, including any manipulations. */
union
{
CONTEXT context {};
#ifdef __x86_64__
WOW64_CONTEXT wow64_context;
#endif
};
/* Whether debug registers changed since we last set CONTEXT back to
the thread. */
bool debug_registers_changed = false;
/* Nonzero if CONTEXT is invalidated and must be re-read from the
inferior thread. */
bool reload_context = false;
/* True if this thread is currently stopped at a software
breakpoint. This is used to offset the PC when needed. */
bool stopped_at_software_breakpoint = false;
/* The name of the thread, allocated by xmalloc. */
gdb::unique_xmalloc_ptr<char> name;
};
#endif
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