forked from OSchip/llvm-project
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
//===-- NativeRegisterContextLinux_arm64.h ---------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#if defined(__arm64__) || defined(__aarch64__)
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#ifndef lldb_NativeRegisterContextLinux_arm64_h
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#define lldb_NativeRegisterContextLinux_arm64_h
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#include "Plugins/Process/Linux/NativeRegisterContextLinux.h"
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#include "Plugins/Process/Utility/NativeRegisterContextDBReg_arm64.h"
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#include "Plugins/Process/Utility/RegisterInfoPOSIX_arm64.h"
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#include <asm/ptrace.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_arm64
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: public NativeRegisterContextLinux,
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public NativeRegisterContextDBReg_arm64 {
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public:
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NativeRegisterContextLinux_arm64(
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const ArchSpec &target_arch, NativeThreadProtocol &native_thread,
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std::unique_ptr<RegisterInfoPOSIX_arm64> register_info_up);
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uint32_t GetRegisterSetCount() const override;
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uint32_t GetUserRegisterCount() const override;
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const RegisterSet *GetRegisterSet(uint32_t set_index) 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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void InvalidateAllRegisters() override;
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std::vector<uint32_t>
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GetExpeditedRegisters(ExpeditedRegs expType) const override;
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bool RegisterOffsetIsDynamic() const override { return true; }
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protected:
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Status ReadGPR() override;
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Status WriteGPR() override;
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Status ReadFPR() override;
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Status WriteFPR() override;
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void *GetGPRBuffer() override { return &m_gpr_arm64; }
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// GetGPRBufferSize returns sizeof arm64 GPR ptrace buffer, it is different
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// from GetGPRSize which returns sizeof RegisterInfoPOSIX_arm64::GPR.
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size_t GetGPRBufferSize() { return sizeof(m_gpr_arm64); }
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void *GetFPRBuffer() override { return &m_fpr; }
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size_t GetFPRSize() override { return sizeof(m_fpr); }
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private:
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bool m_gpr_is_valid;
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bool m_fpu_is_valid;
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bool m_sve_buffer_is_valid;
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bool m_sve_header_is_valid;
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struct user_pt_regs m_gpr_arm64; // 64-bit general purpose registers.
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RegisterInfoPOSIX_arm64::FPU
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m_fpr; // floating-point registers including extended register sets.
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SVEState m_sve_state;
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struct user_sve_header m_sve_header;
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std::vector<uint8_t> m_sve_ptrace_payload;
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bool m_refresh_hwdebug_info;
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bool IsGPR(unsigned reg) const;
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bool IsFPR(unsigned reg) const;
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Status ReadAllSVE();
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Status WriteAllSVE();
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Status ReadSVEHeader();
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Status WriteSVEHeader();
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bool IsSVE(unsigned reg) const;
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uint64_t GetSVERegVG() { return m_sve_header.vl / 8; }
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void SetSVERegVG(uint64_t vg) { m_sve_header.vl = vg * 8; }
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void *GetSVEHeader() { return &m_sve_header; }
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void *GetSVEBuffer();
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size_t GetSVEHeaderSize() { return sizeof(m_sve_header); }
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size_t GetSVEBufferSize() { return m_sve_ptrace_payload.size(); }
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llvm::Error ReadHardwareDebugInfo() override;
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llvm::Error WriteHardwareDebugRegs(DREGType hwbType) override;
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uint32_t CalculateFprOffset(const RegisterInfo *reg_info) const;
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RegisterInfoPOSIX_arm64 &GetRegisterInfo() const;
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void ConfigureRegisterContext();
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uint32_t CalculateSVEOffset(const RegisterInfo *reg_info) const;
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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_arm64_h
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#endif // defined (__arm64__) || defined (__aarch64__)
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