win: Retrieve thread context for x64

util/win/process_structs.h

 // Copyright 2015 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 284 matching lines @@
   typename Traits::Pointer Self;
 };
 
 // See https://msdn.microsoft.com/en-us/library/gg750647.aspx.
 template <class Traits>
 struct CLIENT_ID {
   typename Traits::Pointer UniqueProcess;
   typename Traits::Pointer UniqueThread;
 };
 
+// This is a partial definition of the TEB, as we do not currently use many
+// fields of it. See http://www.nirsoft.net/kernel_struct/vista/TEB.html.
+template <class Traits>
+struct TEB {
+  NT_TIB<Traits> NtTib;
+  typename Traits::Pointer EnvironmentPointer;
+  CLIENT_ID<Traits> ClientId;
+};
+
 // See https://msdn.microsoft.com/en-us/library/gg750724.aspx for the base
 // structure, and 
 // http://processhacker.sourceforge.net/doc/struct___s_y_s_t_e_m___e_x_t_e_n_d_e_d___t_h_r_e_a_d___i_n_f_o_r_m_a_t_i_o_n.html
 // for the extension part.
 template <class Traits>
 struct SYSTEM_EXTENDED_THREAD_INFORMATION {
   LARGE_INTEGER KernelTime;
   LARGE_INTEGER UserTime;
   LARGE_INTEGER CreateTime;
   union {
@@ skipping 68 matching lines @@
 };
 
 #pragma pack(pop)
 
 //! \}
 
 }  // namespace process_types
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_WIN_PROCESS_STRUCTS_H_