mirror of
https://github.com/chromium/crashpad.git
synced 2024-12-27 15:32:10 +08:00
c11d49db88
ARM64 supports storing pointer authentication codes in the upper bits of a pointer. This mask can be used by LLDB to mimic ptrauth_strip and strip the pointer authentication codes. To recover an address from pointer with an authentication code, `AND` this mask with the pointer. If the platform does not support pointer authentication, or the range of valid addressees for a pointer was unaccessible, this field will be 0 and should be ignored. Change-Id: Ie5cef90802dd1e892d456195ab8874223eac6a1b Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/2773358 Commit-Queue: Justin Cohen <justincohen@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
// Copyright 2018 The Crashpad Authors
|
|
//
|
|
// 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,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef CRASHPAD_SNAPSHOT_FUCHSIA_SYSTEM_SNAPSHOT_FUCHSIA_H_
|
|
#define CRASHPAD_SNAPSHOT_FUCHSIA_SYSTEM_SNAPSHOT_FUCHSIA_H_
|
|
|
|
#include <sys/time.h>
|
|
|
|
#include "build/build_config.h"
|
|
#include "snapshot/system_snapshot.h"
|
|
#include "util/misc/initialization_state_dcheck.h"
|
|
|
|
#if defined(ARCH_CPU_X86_FAMILY)
|
|
#include "snapshot/x86/cpuid_reader.h"
|
|
#endif
|
|
|
|
namespace crashpad {
|
|
namespace internal {
|
|
|
|
//! \brief A SystemSnapshot of the running system, when the system runs Fuchsia.
|
|
class SystemSnapshotFuchsia final : public SystemSnapshot {
|
|
public:
|
|
SystemSnapshotFuchsia();
|
|
|
|
SystemSnapshotFuchsia(const SystemSnapshotFuchsia&) = delete;
|
|
SystemSnapshotFuchsia& operator=(const SystemSnapshotFuchsia&) = delete;
|
|
|
|
~SystemSnapshotFuchsia() override;
|
|
|
|
//! \brief Initializes the object.
|
|
//!
|
|
//! \param[in] snapshot_time The time of the snapshot being taken.
|
|
//!
|
|
//! This parameter is necessary for TimeZone() to determine whether daylight
|
|
//! saving time was in effect at the time the snapshot was taken. Otherwise,
|
|
//! it would need to base its determination on the current time, which may be
|
|
//! different than the snapshot time for snapshots generated around the
|
|
//! daylight saving transition time.
|
|
void Initialize(const timeval* snapshot_time);
|
|
|
|
// SystemSnapshot:
|
|
|
|
CPUArchitecture GetCPUArchitecture() const override;
|
|
uint32_t CPURevision() const override;
|
|
uint8_t CPUCount() const override;
|
|
std::string CPUVendor() const override;
|
|
void CPUFrequency(uint64_t* current_hz, uint64_t* max_hz) const override;
|
|
uint32_t CPUX86Signature() const override;
|
|
uint64_t CPUX86Features() const override;
|
|
uint64_t CPUX86ExtendedFeatures() const override;
|
|
uint32_t CPUX86Leaf7Features() const override;
|
|
bool CPUX86SupportsDAZ() const override;
|
|
OperatingSystem GetOperatingSystem() const override;
|
|
bool OSServer() const override;
|
|
void OSVersion(
|
|
int* major, int* minor, int* bugfix, std::string* build) const override;
|
|
std::string OSVersionFull() const override;
|
|
bool NXEnabled() const override;
|
|
std::string MachineDescription() const override;
|
|
void TimeZone(DaylightSavingTimeStatus* dst_status,
|
|
int* standard_offset_seconds,
|
|
int* daylight_offset_seconds,
|
|
std::string* standard_name,
|
|
std::string* daylight_name) const override;
|
|
uint64_t AddressMask() const override { return 0; }
|
|
|
|
private:
|
|
std::string os_version_full_;
|
|
const timeval* snapshot_time_; // weak
|
|
#if defined(ARCH_CPU_X86_FAMILY)
|
|
CpuidReader cpuid_;
|
|
#endif // ARCH_CPU_X86_FAMILY
|
|
InitializationStateDcheck initialized_;
|
|
};
|
|
|
|
} // namespace internal
|
|
} // namespace crashpad
|
|
|
|
#endif // CRASHPAD_SNAPSHOT_FUCHSIA_SYSTEM_SNAPSHOT_FUCHSIA_H_
|