chromium/third_party/crashpad/crashpad/snapshot/cpu_context.cc

// 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 "snapshot/cpu_context.h"

#include <stddef.h>
#include <string.h>

#include <iterator>

#include "base/notreached.h"
#include "cpu_architecture.h"
#include "util/misc/arraysize.h"
#include "util/misc/implicit_cast.h"

namespace crashpad {

namespace {

// Sanity-check complex structures to ensure interoperability.
static_assert …;
static_assert …;
static_assert …;

enum { … };

}  // namespace

// static
void CPUContextX86::FxsaveToFsave(const Fxsave& fxsave, Fsave* fsave) { … }

// static
void CPUContextX86::FsaveToFxsave(const Fsave& fsave, Fxsave* fxsave) { … }

// static
uint16_t CPUContextX86::FxsaveToFsaveTagWord(
    uint16_t fsw,
    uint8_t fxsave_tag,
    const CPUContextX86::X87OrMMXRegister st_mm[8]) { … }

// static
uint8_t CPUContextX86::FsaveToFxsaveTagWord(uint16_t fsave_tag) { … }

uint64_t CPUContext::InstructionPointer() const { … }

uint64_t CPUContext::StackPointer() const { … }

uint64_t CPUContext::ShadowStackPointer() const { … }

bool CPUContext::HasShadowStack() const { … }

bool CPUContext::Is64Bit() const { … }

}  // namespace crashpad