Dimitry Andric
151 lines
4.3 KiB
C++
151 lines
4.3 KiB
C++
//===-- NativeRegisterContextLinux_x86_64.h ---------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#if defined(__i386__) || defined(__x86_64__)
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#ifndef lldb_NativeRegisterContextLinux_x86_64_h
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#define lldb_NativeRegisterContextLinux_x86_64_h
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#include "Plugins/Process/Linux/NativeRegisterContextLinux.h"
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#include "Plugins/Process/Utility/RegisterContext_x86.h"
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#include "Plugins/Process/Utility/lldb-x86-register-enums.h"
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#include <sys/uio.h>
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namespace lldb_private {
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namespace process_linux {
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class NativeProcessLinux;
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class NativeRegisterContextLinux_x86_64 : public NativeRegisterContextLinux {
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public:
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NativeRegisterContextLinux_x86_64(const ArchSpec &target_arch,
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NativeThreadProtocol &native_thread);
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uint32_t GetRegisterSetCount() const override;
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const RegisterSet *GetRegisterSet(uint32_t set_index) const override;
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uint32_t GetUserRegisterCount() const override;
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Status ReadRegister(const RegisterInfo *reg_info,
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RegisterValue ®_value) override;
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Status WriteRegister(const RegisterInfo *reg_info,
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const RegisterValue ®_value) override;
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Status ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
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Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
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Status IsWatchpointHit(uint32_t wp_index, bool &is_hit) override;
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Status GetWatchpointHitIndex(uint32_t &wp_index,
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lldb::addr_t trap_addr) override;
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Status IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override;
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bool ClearHardwareWatchpoint(uint32_t wp_index) override;
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Status ClearAllHardwareWatchpoints() override;
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Status SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size,
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uint32_t watch_flags,
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uint32_t wp_index);
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uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size,
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uint32_t watch_flags) override;
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lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override;
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uint32_t NumSupportedHardwareWatchpoints() override;
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protected:
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void *GetGPRBuffer() override { return &m_gpr_x86_64; }
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void *GetFPRBuffer() override;
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size_t GetFPRSize() override;
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Status ReadFPR() override;
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Status WriteFPR() override;
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private:
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// Private member types.
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enum class XStateType { Invalid, FXSAVE, XSAVE };
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enum class RegSet { gpr, fpu, avx, mpx };
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// Info about register ranges.
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struct RegInfo {
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uint32_t num_registers;
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uint32_t num_gpr_registers;
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uint32_t num_fpr_registers;
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uint32_t num_avx_registers;
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uint32_t num_mpx_registers;
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uint32_t last_gpr;
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uint32_t first_fpr;
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uint32_t last_fpr;
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uint32_t first_st;
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uint32_t last_st;
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uint32_t first_mm;
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uint32_t last_mm;
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uint32_t first_xmm;
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uint32_t last_xmm;
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uint32_t first_ymm;
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uint32_t last_ymm;
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uint32_t first_mpxr;
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uint32_t last_mpxr;
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uint32_t first_mpxc;
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uint32_t last_mpxc;
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uint32_t first_dr;
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uint32_t gpr_flags;
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};
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// Private member variables.
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mutable XStateType m_xstate_type;
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std::unique_ptr<FPR, llvm::FreeDeleter>
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m_xstate; // Extended States Area, named FPR for historical reasons.
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struct iovec m_iovec;
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YMM m_ymm_set;
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MPX m_mpx_set;
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RegInfo m_reg_info;
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uint64_t m_gpr_x86_64[k_num_gpr_registers_x86_64];
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uint32_t m_fctrl_offset_in_userarea;
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// Private member methods.
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bool IsCPUFeatureAvailable(RegSet feature_code) const;
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bool IsRegisterSetAvailable(uint32_t set_index) const;
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bool IsGPR(uint32_t reg_index) const;
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bool IsFPR(uint32_t reg_index) const;
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bool CopyXSTATEtoYMM(uint32_t reg_index, lldb::ByteOrder byte_order);
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bool CopyYMMtoXSTATE(uint32_t reg, lldb::ByteOrder byte_order);
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bool IsAVX(uint32_t reg_index) const;
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bool CopyXSTATEtoMPX(uint32_t reg);
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bool CopyMPXtoXSTATE(uint32_t reg);
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bool IsMPX(uint32_t reg_index) const;
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void UpdateXSTATEforWrite(uint32_t reg_index);
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};
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} // namespace process_linux
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} // namespace lldb_private
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#endif // #ifndef lldb_NativeRegisterContextLinux_x86_64_h
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#endif // defined(__i386__) || defined(__x86_64__)
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