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// Copyright 2015 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_WIN_CPU_CONTEXT_WIN_H_
#define CRASHPAD_SNAPSHOT_WIN_CPU_CONTEXT_WIN_H_
#include <windows.h>
#include "build/build_config.h"
namespace crashpad {
struct CPUContextX86;
struct CPUContextX86_64;
struct CPUContextARM64;
#if defined(ARCH_CPU_X86) || DOXYGEN
//! \brief Initializes a CPUContextX86 structure from a native context structure
//! on Windows.
void InitializeX86Context(const CONTEXT* context, CPUContextX86* out);
#endif // ARCH_CPU_X86
#if defined(ARCH_CPU_X86_64) || DOXYGEN
//! \brief Initializes a CPUContextX86 structure from a native context structure
//! on Windows.
void InitializeX86Context(const WOW64_CONTEXT* context, CPUContextX86* out);
//! \brief Initializes a CPUContextX86_64 structure from a native context
//! structure on Windows.
//! Only reads a max of sizeof(CONTEXT) so will not initialize extended values.
void InitializeX64Context(const CONTEXT* context, CPUContextX86_64* out);
//! \brief Initializes CET fields of a CPUContextX86_64 structure from
//! an xsave location if |context| flags support cet_u values.
void InitializeX64XStateCet(const CONTEXT* context,
XSAVE_CET_U_FORMAT* cet_u,
CPUContextX86_64* out);
//! \brief Wraps GetXStateEnabledFeatures(), returns true if the specified set
//! of flags are all supported.
bool IsXStateFeatureEnabled(DWORD64 feature);
#endif // ARCH_CPU_X86_64
#if defined(ARCH_CPU_ARM64) || DOXYGEN
//! \brief Initializes a CPUContextARM64 structure from a native context
//! structure on Windows.
void InitializeARM64Context(const CONTEXT* context, CPUContextARM64* out);
#endif // ARCH_CPU_ARM64
} // namespace crashpad
#endif // CRASHPAD_SNAPSHOT_WIN_CPU_CONTEXT_WIN_H_