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98a0328732
This adds "suspend" and "resume" methods to windows_thread_info, and changes gdb and gdbserver to share this code. gdb/ChangeLog 2020-04-08 Tom Tromey <tromey@adacore.com> * windows-nat.c (thread_rec): Use windows_thread_info::suspend. (windows_continue): Use windows_continue::resume. * nat/windows-nat.h (struct windows_thread_info) <suspend, resume>: Declare new methods. * nat/windows-nat.c: New file. * configure.nat (NATDEPFILES): Add nat/windows-nat.o when needed. gdbserver/ChangeLog 2020-04-08 Tom Tromey <tromey@adacore.com> * win32-low.c (win32_require_context, suspend_one_thread): Use windows_thread_info::suspend. (continue_one_thread): Use windows_thread_info::resume. * configure.srv (srv_tgtobj): Add windows-nat.o when needed.
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/* Internal interfaces for the Windows code
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Copyright (C) 1995-2020 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef NAT_WINDOWS_NAT_H
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#define NAT_WINDOWS_NAT_H
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#include <windows.h>
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/* Thread information structure used to track extra information about
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each thread. */
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struct windows_thread_info
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{
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windows_thread_info (DWORD tid_, HANDLE h_, CORE_ADDR tlb)
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: tid (tid_),
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h (h_),
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thread_local_base (tlb)
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{
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}
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DISABLE_COPY_AND_ASSIGN (windows_thread_info);
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/* Ensure that this thread has been suspended. */
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void suspend ();
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/* Resume the thread if it has been suspended. */
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void resume ();
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/* The Win32 thread identifier. */
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DWORD tid;
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/* The handle to the thread. */
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HANDLE h;
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/* Thread Information Block address. */
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CORE_ADDR thread_local_base;
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/* This keeps track of whether SuspendThread was called on this
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thread. -1 means there was a failure or that the thread was
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explicitly not suspended, 1 means it was called, and 0 means it
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was not. */
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int suspended = 0;
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#ifdef _WIN32_WCE
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/* The context as retrieved right after suspending the thread. */
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CONTEXT base_context {};
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#endif
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/* The context of the thread, including any manipulations. */
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union
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{
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CONTEXT context {};
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#ifdef __x86_64__
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WOW64_CONTEXT wow64_context;
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#endif
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};
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/* Whether debug registers changed since we last set CONTEXT back to
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the thread. */
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bool debug_registers_changed = false;
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/* Nonzero if CONTEXT is invalidated and must be re-read from the
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inferior thread. */
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bool reload_context = false;
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/* The name of the thread, allocated by xmalloc. */
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gdb::unique_xmalloc_ptr<char> name;
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};
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#endif
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