1 // Copyright 2015 The Crashpad Authors. All rights reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef CRASHPAD_SNAPSHOT_WIN_SYSTEM_SNAPSHOT_WIN_H_
16 #define CRASHPAD_SNAPSHOT_WIN_SYSTEM_SNAPSHOT_WIN_H_
17 
18 #include <stdint.h>
19 #include <sys/time.h>
20 
21 #include <string>
22 
23 #include "base/macros.h"
24 #include "snapshot/system_snapshot.h"
25 #include "snapshot/win/process_reader_win.h"
26 #include "util/misc/initialization_state_dcheck.h"
27 
28 namespace crashpad {
29 
30 class ProcessReaderWin;
31 
32 namespace internal {
33 
34 //! \brief A SystemSnapshot of the running system, when the system runs Windows.
35 class SystemSnapshotWin final : public SystemSnapshot {
36  public:
37   SystemSnapshotWin();
38   ~SystemSnapshotWin() override;
39 
40   //! \brief Initializes the object.
41   //!
42   //! \param[in] process_reader A reader for the process being snapshotted.
43   //!
44   //!     It seems odd that a system snapshot implementation would need a
45   //!     ProcessReaderWin, but some of the information reported about the
46   //!     system depends on the process it's being reported for. For example,
47   //!     the architecture returned by GetCPUArchitecture() should be the
48   //!     architecture of the process, which may be different than the native
49   //!     architecture of the system: an x86_64 system can run both x86_64 and
50   //!     32-bit x86 processes.
51   void Initialize(ProcessReaderWin* process_reader);
52 
53   // SystemSnapshot:
54 
55   CPUArchitecture GetCPUArchitecture() const override;
56   uint32_t CPURevision() const override;
57   uint8_t CPUCount() const override;
58   std::string CPUVendor() const override;
59   void CPUFrequency(uint64_t* current_hz, uint64_t* max_hz) const override;
60   uint32_t CPUX86Signature() const override;
61   uint64_t CPUX86Features() const override;
62   uint64_t CPUX86ExtendedFeatures() const override;
63   uint32_t CPUX86Leaf7Features() const override;
64   bool CPUX86SupportsDAZ() const override;
65   OperatingSystem GetOperatingSystem() const override;
66   bool OSServer() const override;
67   void OSVersion(int* major,
68                  int* minor,
69                  int* bugfix,
70                  std::string* build) const override;
71   std::string OSVersionFull() const override;
72   bool NXEnabled() const override;
73   std::string MachineDescription() const override;
74   void TimeZone(DaylightSavingTimeStatus* dst_status,
75                 int* standard_offset_seconds,
76                 int* daylight_offset_seconds,
77                 std::string* standard_name,
78                 std::string* daylight_name) const override;
79 
80  private:
81   std::string os_version_full_;
82   std::string os_version_build_;
83   ProcessReaderWin* process_reader_;  // weak
84   int os_version_major_;
85   int os_version_minor_;
86   int os_version_bugfix_;
87   bool os_server_;
88   InitializationStateDcheck initialized_;
89 
90   DISALLOW_COPY_AND_ASSIGN(SystemSnapshotWin);
91 };
92 
93 }  // namespace internal
94 }  // namespace crashpad
95 
96 #endif  // CRASHPAD_SNAPSHOT_WIN_SYSTEM_SNAPSHOT_WIN_H_
97