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//===-- NativeRegisterContextFreeBSD_x86_64.h -------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#if defined(__i386__) || defined(__x86_64__)
#ifndef lldb_NativeRegisterContextFreeBSD_x86_64_h
#define lldb_NativeRegisterContextFreeBSD_x86_64_h
// clang-format off
#include <sys/param.h>
#include <sys/ptrace.h>
#include <sys/types.h>
#include <machine/reg.h>
// clang-format on
#include <array>
#include <optional>
#include "Plugins/Process/FreeBSD/NativeRegisterContextFreeBSD.h"
#include "Plugins/Process/Utility/RegisterContext_x86.h"
#include "Plugins/Process/Utility/NativeRegisterContextDBReg_x86.h"
#include "Plugins/Process/Utility/lldb-x86-register-enums.h"
#define LLDB_INVALID_XSAVE_OFFSET UINT32_MAX
namespace lldb_private {
namespace process_freebsd {
class NativeProcessFreeBSD;
class NativeRegisterContextFreeBSD_x86_64
: public NativeRegisterContextFreeBSD,
public NativeRegisterContextDBReg_x86 {
public:
NativeRegisterContextFreeBSD_x86_64(const ArchSpec &target_arch,
NativeThreadProtocol &native_thread);
uint32_t GetRegisterSetCount() const override;
const RegisterSet *GetRegisterSet(uint32_t set_index) const override;
Status ReadRegister(const RegisterInfo *reg_info,
RegisterValue ®_value) override;
Status WriteRegister(const RegisterInfo *reg_info,
const RegisterValue ®_value) override;
Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;
Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
llvm::Error
CopyHardwareWatchpointsFrom(NativeRegisterContextFreeBSD &source) override;
private:
// Private member types.
enum RegSetKind {
GPRegSet,
FPRegSet,
DBRegSet,
YMMRegSet,
MPXRegSet,
MaxRegSet = MPXRegSet,
};
// Private member variables.
std::array<uint8_t, sizeof(struct reg)> m_gpr;
std::array<uint8_t, 512> m_fpr; // FXSAVE
std::array<uint8_t, sizeof(struct dbreg)> m_dbr;
std::vector<uint8_t> m_xsave;
std::array<uint32_t, MaxRegSet + 1> m_xsave_offsets;
std::array<size_t, MaxRegSet + 1> m_regset_offsets;
std::optional<RegSetKind> GetSetForNativeRegNum(uint32_t reg_num) const;
Status ReadRegisterSet(RegSetKind set);
Status WriteRegisterSet(RegSetKind set);
uint8_t *GetOffsetRegSetData(RegSetKind set, size_t reg_offset);
struct YMMSplitPtr {
void *xmm;
void *ymm_hi;
};
std::optional<YMMSplitPtr> GetYMMSplitReg(uint32_t reg);
};
} // namespace process_freebsd
} // namespace lldb_private
#endif // #ifndef lldb_NativeRegisterContextFreeBSD_x86_64_h
#endif // defined(__x86_64__)
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