// 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.
#include "snapshot/fuchsia/system_snapshot_fuchsia.h"
#include <zircon/syscalls.h>
#include "base/check_op.h"
#include "base/fuchsia/fuchsia_logging.h"
#include "base/notreached.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/stringprintf.h"
#include "snapshot/posix/timezone.h"
namespace crashpad {
namespace internal {
SystemSnapshotFuchsia::SystemSnapshotFuchsia() = default;
SystemSnapshotFuchsia::~SystemSnapshotFuchsia() = default;
void SystemSnapshotFuchsia::Initialize(const timeval* snapshot_time) {
INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
snapshot_time_ = snapshot_time;
// This version string mirrors `uname -a` as written by
// garnet/bin/uname/uname.c, however, this information isn't provided by
// uname(). Additionally, uname() seems to hang if the network is in a bad
// state when attempting to retrieve the nodename, so avoid it for now.
std::string kernel_version = zx_system_get_version_string();
#if defined(ARCH_CPU_X86_64)
static constexpr const char kArch[] = "x86_64";
#elif defined(ARCH_CPU_ARM64)
static constexpr const char kArch[] = "aarch64";
#elif defined(ARCH_CPU_RISCV64)
static constexpr const char kArch[] = "riscv64";
#else
static constexpr const char kArch[] = "unknown";
#endif
os_version_full_ = base::StringPrintf(
"Zircon prerelease %s %s", kernel_version.c_str(), kArch);
INITIALIZATION_STATE_SET_VALID(initialized_);
}
CPUArchitecture SystemSnapshotFuchsia::GetCPUArchitecture() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
#if defined(ARCH_CPU_X86_64)
return kCPUArchitectureX86_64;
#elif defined(ARCH_CPU_ARM64)
return kCPUArchitectureARM64;
#elif defined(ARCH_CPU_RISCV64)
return kCPUArchitectureRISCV64;
#else
#error Port
#endif
}
uint32_t SystemSnapshotFuchsia::CPURevision() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
#if defined(ARCH_CPU_X86_64)
return cpuid_.Revision();
#else
// TODO: https://fxbug.dev/42133257 - Read actual revision.
return 0;
#endif
}
uint8_t SystemSnapshotFuchsia::CPUCount() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return base::saturated_cast<uint8_t>(zx_system_get_num_cpus());
}
std::string SystemSnapshotFuchsia::CPUVendor() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
#if defined(ARCH_CPU_X86_64)
return cpuid_.Vendor();
#else
// TODO: https://fxbug.dev/42133257 - Read actual vendor.
return std::string();
#endif
}
void SystemSnapshotFuchsia::CPUFrequency(uint64_t* current_hz,
uint64_t* max_hz) const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
// TODO(scottmg): https://crashpad.chromium.org/bug/196.
*current_hz = 0;
*max_hz = 0;
}
uint32_t SystemSnapshotFuchsia::CPUX86Signature() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
#if defined(ARCH_CPU_X86_64)
return cpuid_.Signature();
#else
NOTREACHED();
#endif
}
uint64_t SystemSnapshotFuchsia::CPUX86Features() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
#if defined(ARCH_CPU_X86_64)
return cpuid_.Features();
#else
NOTREACHED();
#endif
}
uint64_t SystemSnapshotFuchsia::CPUX86ExtendedFeatures() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
#if defined(ARCH_CPU_X86_64)
return cpuid_.ExtendedFeatures();
#else
NOTREACHED();
#endif
}
uint32_t SystemSnapshotFuchsia::CPUX86Leaf7Features() const {
#if defined(ARCH_CPU_X86_64)
return cpuid_.Leaf7Features();
#else
NOTREACHED();
#endif
}
bool SystemSnapshotFuchsia::CPUX86SupportsDAZ() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
#if defined(ARCH_CPU_X86_64)
return cpuid_.SupportsDAZ();
#else
NOTREACHED();
#endif
}
SystemSnapshot::OperatingSystem SystemSnapshotFuchsia::GetOperatingSystem()
const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return kOperatingSystemFuchsia;
}
bool SystemSnapshotFuchsia::OSServer() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return false;
}
void SystemSnapshotFuchsia::OSVersion(int* major,
int* minor,
int* bugfix,
std::string* build) const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
// TODO(scottmg): https://crashpad.chromium.org/bug/196. There's no version
// available to be reported yet.
*major = 0;
*minor = 0;
*bugfix = 0;
*build = std::string();
}
std::string SystemSnapshotFuchsia::OSVersionFull() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return os_version_full_;
}
std::string SystemSnapshotFuchsia::MachineDescription() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
// TODO(scottmg): https://crashpad.chromium.org/bug/196. Not yet available,
// upstream ZX-1775.
return std::string();
}
bool SystemSnapshotFuchsia::NXEnabled() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
#if defined(ARCH_CPU_X86_64)
return cpuid_.NXEnabled();
#else
// TODO: https://fxbug.dev/42133257 - Read actual NX bit value.
return false;
#endif
}
void SystemSnapshotFuchsia::TimeZone(DaylightSavingTimeStatus* dst_status,
int* standard_offset_seconds,
int* daylight_offset_seconds,
std::string* standard_name,
std::string* daylight_name) const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
internal::TimeZone(*snapshot_time_,
dst_status,
standard_offset_seconds,
daylight_offset_seconds,
standard_name,
daylight_name);
}
} // namespace internal
} // namespace crashpad
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