324 lines
11 KiB
C++
324 lines
11 KiB
C++
// Copyright 2014 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 "minidump/minidump_system_info_writer.h"
|
||
|
||
#include <string.h>
|
||
|
||
#include <iterator>
|
||
|
||
#include "base/check_op.h"
|
||
#include "base/notreached.h"
|
||
#include "minidump/minidump_string_writer.h"
|
||
#include "snapshot/system_snapshot.h"
|
||
#include "util/file/file_writer.h"
|
||
#include "util/misc/arraysize.h"
|
||
#include "util/misc/implicit_cast.h"
|
||
|
||
namespace crashpad {
|
||
|
||
namespace {
|
||
|
||
uint64_t AMD64FeaturesFromSystemSnapshot(
|
||
const SystemSnapshot* system_snapshot) {
|
||
#define ADD_FEATURE(minidump_bit) (UINT64_C(1) << (minidump_bit))
|
||
|
||
// Features for which no cpuid bits are present, but that always exist on
|
||
// x86_64. cmpxchg is supported on 486 and later.
|
||
uint64_t minidump_features = ADD_FEATURE(PF_COMPARE_EXCHANGE_DOUBLE);
|
||
|
||
#define MAP_FEATURE(features, cpuid_bit, minidump_bit) \
|
||
do { \
|
||
if ((features) & (implicit_cast<decltype(features)>(1) << (cpuid_bit))) { \
|
||
minidump_features |= ADD_FEATURE(minidump_bit); \
|
||
} \
|
||
} while (false)
|
||
|
||
#define F_TSC 4
|
||
#define F_PAE 6
|
||
#define F_MMX 23
|
||
#define F_SSE 25
|
||
#define F_SSE2 26
|
||
#define F_SSE3 32
|
||
#define F_CX16 45
|
||
#define F_XSAVE 58
|
||
#define F_RDRAND 62
|
||
|
||
uint64_t cpuid_features = system_snapshot->CPUX86Features();
|
||
|
||
MAP_FEATURE(cpuid_features, F_TSC, PF_RDTSC_INSTRUCTION_AVAILABLE);
|
||
MAP_FEATURE(cpuid_features, F_PAE, PF_PAE_ENABLED);
|
||
MAP_FEATURE(cpuid_features, F_MMX, PF_MMX_INSTRUCTIONS_AVAILABLE);
|
||
MAP_FEATURE(cpuid_features, F_SSE, PF_XMMI_INSTRUCTIONS_AVAILABLE);
|
||
MAP_FEATURE(cpuid_features, F_SSE2, PF_XMMI64_INSTRUCTIONS_AVAILABLE);
|
||
MAP_FEATURE(cpuid_features, F_SSE3, PF_SSE3_INSTRUCTIONS_AVAILABLE);
|
||
MAP_FEATURE(cpuid_features, F_CX16, PF_COMPARE_EXCHANGE128);
|
||
MAP_FEATURE(cpuid_features, F_XSAVE, PF_XSAVE_ENABLED);
|
||
MAP_FEATURE(cpuid_features, F_RDRAND, PF_RDRAND_INSTRUCTION_AVAILABLE);
|
||
|
||
#define FX_XD 20
|
||
#define FX_RDTSCP 27
|
||
#define FX_3DNOW 31
|
||
|
||
uint64_t extended_features = system_snapshot->CPUX86ExtendedFeatures();
|
||
|
||
MAP_FEATURE(extended_features, FX_RDTSCP, PF_RDTSCP_INSTRUCTION_AVAILABLE);
|
||
MAP_FEATURE(extended_features, FX_3DNOW, PF_3DNOW_INSTRUCTIONS_AVAILABLE);
|
||
|
||
#define F7_FSGSBASE 0
|
||
|
||
uint32_t leaf7_features = system_snapshot->CPUX86Leaf7Features();
|
||
|
||
MAP_FEATURE(leaf7_features, F7_FSGSBASE, PF_RDWRFSGSBASE_AVAILABLE);
|
||
|
||
// This feature bit should be set if NX (XD, DEP) is enabled, not just if it’s
|
||
// available on the CPU as indicated by the FX_XD bit.
|
||
if (system_snapshot->NXEnabled()) {
|
||
minidump_features |= ADD_FEATURE(PF_NX_ENABLED);
|
||
}
|
||
|
||
if (system_snapshot->CPUX86SupportsDAZ()) {
|
||
minidump_features |= ADD_FEATURE(PF_SSE_DAZ_MODE_AVAILABLE);
|
||
}
|
||
|
||
// PF_SECOND_LEVEL_ADDRESS_TRANSLATION can’t be determined without consulting
|
||
// model-specific registers, a privileged operation. The exact use of
|
||
// PF_VIRT_FIRMWARE_ENABLED is unknown. PF_FASTFAIL_AVAILABLE is irrelevant
|
||
// outside of Windows.
|
||
|
||
#undef MAP_FEATURE
|
||
#undef ADD_FEATURE
|
||
|
||
return minidump_features;
|
||
}
|
||
|
||
} // namespace
|
||
|
||
MinidumpSystemInfoWriter::MinidumpSystemInfoWriter()
|
||
: MinidumpStreamWriter(), system_info_(), csd_version_() {
|
||
system_info_.ProcessorArchitecture = kMinidumpCPUArchitectureUnknown;
|
||
}
|
||
|
||
MinidumpSystemInfoWriter::~MinidumpSystemInfoWriter() {
|
||
}
|
||
|
||
void MinidumpSystemInfoWriter::InitializeFromSnapshot(
|
||
const SystemSnapshot* system_snapshot) {
|
||
DCHECK_EQ(state(), kStateMutable);
|
||
DCHECK(!csd_version_);
|
||
|
||
MinidumpCPUArchitecture cpu_architecture;
|
||
switch (system_snapshot->GetCPUArchitecture()) {
|
||
case kCPUArchitectureX86:
|
||
cpu_architecture = kMinidumpCPUArchitectureX86;
|
||
break;
|
||
case kCPUArchitectureX86_64:
|
||
cpu_architecture = kMinidumpCPUArchitectureAMD64;
|
||
break;
|
||
case kCPUArchitectureARM:
|
||
cpu_architecture = kMinidumpCPUArchitectureARM;
|
||
break;
|
||
case kCPUArchitectureARM64:
|
||
cpu_architecture = kMinidumpCPUArchitectureARM64;
|
||
break;
|
||
default:
|
||
NOTREACHED();
|
||
cpu_architecture = kMinidumpCPUArchitectureUnknown;
|
||
break;
|
||
}
|
||
SetCPUArchitecture(cpu_architecture);
|
||
|
||
uint32_t cpu_revision = system_snapshot->CPURevision();
|
||
SetCPULevelAndRevision((cpu_revision & 0xffff0000) >> 16,
|
||
cpu_revision & 0x0000ffff);
|
||
SetCPUCount(system_snapshot->CPUCount());
|
||
|
||
if (cpu_architecture == kMinidumpCPUArchitectureX86) {
|
||
std::string cpu_vendor = system_snapshot->CPUVendor();
|
||
SetCPUX86VendorString(cpu_vendor);
|
||
|
||
// The minidump file format only has room for the bottom 32 bits of CPU
|
||
// features and extended CPU features.
|
||
SetCPUX86VersionAndFeatures(system_snapshot->CPUX86Signature(),
|
||
system_snapshot->CPUX86Features() & 0xffffffff);
|
||
|
||
if (cpu_vendor == "AuthenticAMD" || cpu_vendor == "HygonGenuine") {
|
||
SetCPUX86AMDExtendedFeatures(
|
||
system_snapshot->CPUX86ExtendedFeatures() & 0xffffffff);
|
||
}
|
||
} else if (cpu_architecture == kMinidumpCPUArchitectureAMD64) {
|
||
SetCPUOtherFeatures(AMD64FeaturesFromSystemSnapshot(system_snapshot), 0);
|
||
}
|
||
|
||
MinidumpOS operating_system;
|
||
switch (system_snapshot->GetOperatingSystem()) {
|
||
case SystemSnapshot::kOperatingSystemMacOSX:
|
||
operating_system = kMinidumpOSMacOSX;
|
||
break;
|
||
case SystemSnapshot::kOperatingSystemWindows:
|
||
operating_system = kMinidumpOSWin32NT;
|
||
break;
|
||
case SystemSnapshot::kOperatingSystemLinux:
|
||
operating_system = kMinidumpOSLinux;
|
||
break;
|
||
case SystemSnapshot::kOperatingSystemAndroid:
|
||
operating_system = kMinidumpOSAndroid;
|
||
break;
|
||
case SystemSnapshot::kOperatingSystemFuchsia:
|
||
operating_system = kMinidumpOSFuchsia;
|
||
break;
|
||
case SystemSnapshot::kOperatingSystemIOS:
|
||
operating_system = kMinidumpOSIOS;
|
||
break;
|
||
default:
|
||
NOTREACHED();
|
||
operating_system = kMinidumpOSUnknown;
|
||
break;
|
||
}
|
||
SetOS(operating_system);
|
||
|
||
SetOSType(system_snapshot->OSServer() ? kMinidumpOSTypeServer
|
||
: kMinidumpOSTypeWorkstation);
|
||
|
||
int major;
|
||
int minor;
|
||
int bugfix;
|
||
std::string build;
|
||
system_snapshot->OSVersion(&major, &minor, &bugfix, &build);
|
||
SetOSVersion(major, minor, bugfix);
|
||
SetCSDVersion(build);
|
||
}
|
||
|
||
void MinidumpSystemInfoWriter::SetCSDVersion(const std::string& csd_version) {
|
||
DCHECK_EQ(state(), kStateMutable);
|
||
|
||
if (!csd_version_) {
|
||
csd_version_.reset(new internal::MinidumpUTF16StringWriter());
|
||
}
|
||
|
||
csd_version_->SetUTF8(csd_version);
|
||
}
|
||
|
||
void MinidumpSystemInfoWriter::SetCPUX86Vendor(uint32_t ebx,
|
||
uint32_t edx,
|
||
uint32_t ecx) {
|
||
DCHECK_EQ(state(), kStateMutable);
|
||
DCHECK(system_info_.ProcessorArchitecture == kMinidumpCPUArchitectureX86 ||
|
||
system_info_.ProcessorArchitecture ==
|
||
kMinidumpCPUArchitectureX86Win64);
|
||
|
||
static_assert(ArraySize(system_info_.Cpu.X86CpuInfo.VendorId) == 3,
|
||
"VendorId must have 3 elements");
|
||
|
||
system_info_.Cpu.X86CpuInfo.VendorId[0] = ebx;
|
||
system_info_.Cpu.X86CpuInfo.VendorId[1] = edx;
|
||
system_info_.Cpu.X86CpuInfo.VendorId[2] = ecx;
|
||
}
|
||
|
||
void MinidumpSystemInfoWriter::SetCPUX86VendorString(
|
||
const std::string& vendor) {
|
||
DCHECK_EQ(state(), kStateMutable);
|
||
CHECK_EQ(vendor.size(), sizeof(system_info_.Cpu.X86CpuInfo.VendorId));
|
||
|
||
uint32_t registers[3];
|
||
static_assert(
|
||
sizeof(registers) == sizeof(system_info_.Cpu.X86CpuInfo.VendorId),
|
||
"VendorId sizes must be equal");
|
||
|
||
for (size_t index = 0; index < std::size(registers); ++index) {
|
||
memcpy(®isters[index],
|
||
&vendor[index * sizeof(*registers)],
|
||
sizeof(*registers));
|
||
}
|
||
|
||
SetCPUX86Vendor(registers[0], registers[1], registers[2]);
|
||
}
|
||
|
||
void MinidumpSystemInfoWriter::SetCPUX86VersionAndFeatures(uint32_t version,
|
||
uint32_t features) {
|
||
DCHECK_EQ(state(), kStateMutable);
|
||
DCHECK(system_info_.ProcessorArchitecture == kMinidumpCPUArchitectureX86 ||
|
||
system_info_.ProcessorArchitecture ==
|
||
kMinidumpCPUArchitectureX86Win64);
|
||
|
||
system_info_.Cpu.X86CpuInfo.VersionInformation = version;
|
||
system_info_.Cpu.X86CpuInfo.FeatureInformation = features;
|
||
}
|
||
|
||
void MinidumpSystemInfoWriter::SetCPUX86AMDExtendedFeatures(
|
||
uint32_t extended_features) {
|
||
DCHECK_EQ(state(), kStateMutable);
|
||
DCHECK(system_info_.ProcessorArchitecture == kMinidumpCPUArchitectureX86 ||
|
||
system_info_.ProcessorArchitecture ==
|
||
kMinidumpCPUArchitectureX86Win64);
|
||
DCHECK(system_info_.Cpu.X86CpuInfo.VendorId[0] == 'htuA' &&
|
||
system_info_.Cpu.X86CpuInfo.VendorId[1] == 'itne' &&
|
||
system_info_.Cpu.X86CpuInfo.VendorId[2] == 'DMAc');
|
||
|
||
system_info_.Cpu.X86CpuInfo.AMDExtendedCpuFeatures = extended_features;
|
||
}
|
||
|
||
void MinidumpSystemInfoWriter::SetCPUOtherFeatures(uint64_t features_0,
|
||
uint64_t features_1) {
|
||
DCHECK_EQ(state(), kStateMutable);
|
||
DCHECK(system_info_.ProcessorArchitecture != kMinidumpCPUArchitectureX86 &&
|
||
system_info_.ProcessorArchitecture !=
|
||
kMinidumpCPUArchitectureX86Win64);
|
||
|
||
static_assert(ArraySize(system_info_.Cpu.OtherCpuInfo.ProcessorFeatures) == 2,
|
||
"ProcessorFeatures must have 2 elements");
|
||
|
||
system_info_.Cpu.OtherCpuInfo.ProcessorFeatures[0] = features_0;
|
||
system_info_.Cpu.OtherCpuInfo.ProcessorFeatures[1] = features_1;
|
||
}
|
||
|
||
bool MinidumpSystemInfoWriter::Freeze() {
|
||
DCHECK_EQ(state(), kStateMutable);
|
||
CHECK(csd_version_);
|
||
|
||
if (!MinidumpStreamWriter::Freeze()) {
|
||
return false;
|
||
}
|
||
|
||
csd_version_->RegisterRVA(&system_info_.CSDVersionRva);
|
||
|
||
return true;
|
||
}
|
||
|
||
size_t MinidumpSystemInfoWriter::SizeOfObject() {
|
||
DCHECK_GE(state(), kStateFrozen);
|
||
|
||
return sizeof(system_info_);
|
||
}
|
||
|
||
std::vector<internal::MinidumpWritable*> MinidumpSystemInfoWriter::Children() {
|
||
DCHECK_GE(state(), kStateFrozen);
|
||
DCHECK(csd_version_);
|
||
|
||
std::vector<MinidumpWritable*> children(1, csd_version_.get());
|
||
return children;
|
||
}
|
||
|
||
bool MinidumpSystemInfoWriter::WriteObject(FileWriterInterface* file_writer) {
|
||
DCHECK_EQ(state(), kStateWritable);
|
||
|
||
return file_writer->Write(&system_info_, sizeof(system_info_));
|
||
}
|
||
|
||
MinidumpStreamType MinidumpSystemInfoWriter::StreamType() const {
|
||
return kMinidumpStreamTypeSystemInfo;
|
||
}
|
||
|
||
} // namespace crashpad
|