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//===-- NativeRegisterContextFreeBSD_arm64.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(__aarch64__)
#ifndef lldb_NativeRegisterContextFreeBSD_arm64_h
#define lldb_NativeRegisterContextFreeBSD_arm64_h
// clang-format off
#include <sys/types.h>
#include <sys/param.h>
#include <machine/reg.h>
// clang-format on
#include "Plugins/Process/FreeBSD/NativeRegisterContextFreeBSD.h"
#include "Plugins/Process/Utility/NativeRegisterContextDBReg_arm64.h"
#include "Plugins/Process/Utility/RegisterInfoPOSIX_arm64.h"
#include <array>
#if __FreeBSD_version >= 1300139
# define LLDB_HAS_FREEBSD_WATCHPOINT 1
#endif
namespace lldb_private {
namespace process_freebsd {
class NativeProcessFreeBSD;
class NativeRegisterContextFreeBSD_arm64
: public NativeRegisterContextFreeBSD,
public NativeRegisterContextDBReg_arm64 {
public:
NativeRegisterContextFreeBSD_arm64(const ArchSpec &target_arch,
NativeThreadProtocol &native_thread);
uint32_t GetRegisterSetCount() const override;
uint32_t GetUserRegisterCount() 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::DataBufferSP &data_sp) override;
Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
llvm::Error
CopyHardwareWatchpointsFrom(NativeRegisterContextFreeBSD &source) override;
private:
// Due to alignment, FreeBSD reg/fpreg are a few bytes larger than
// LLDB's GPR/FPU structs. However, all fields have matching offsets
// and sizes, so we do not have to worry about these (and we have
// a unittest to assert that).
std::array<uint8_t, sizeof(reg) + sizeof(fpreg)> m_reg_data;
#ifdef LLDB_HAS_FREEBSD_WATCHPOINT
dbreg m_dbreg;
bool m_read_dbreg;
#endif
Status ReadRegisterSet(uint32_t set);
Status WriteRegisterSet(uint32_t set);
llvm::Error ReadHardwareDebugInfo() override;
llvm::Error WriteHardwareDebugRegs(DREGType hwbType) override;
RegisterInfoPOSIX_arm64 &GetRegisterInfo() const;
};
} // namespace process_freebsd
} // namespace lldb_private
#endif // #ifndef lldb_NativeRegisterContextFreeBSD_arm64_h
#endif // defined (__aarch64__)
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