| //===-- NativeRegisterContextLinux_ppc64le.h --------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // This implementation is related to the OpenPOWER ABI for Power Architecture |
| // 64-bit ELF V2 ABI |
| |
| #if defined(__powerpc64__) |
| |
| #ifndef lldb_NativeRegisterContextLinux_ppc64le_h |
| #define lldb_NativeRegisterContextLinux_ppc64le_h |
| |
| #include "Plugins/Process/Linux/NativeRegisterContextLinux.h" |
| #include "Plugins/Process/Utility/lldb-ppc64le-register-enums.h" |
| |
| #define DECLARE_REGISTER_INFOS_PPC64LE_STRUCT |
| #include "Plugins/Process/Utility/RegisterInfos_ppc64le.h" |
| #undef DECLARE_REGISTER_INFOS_PPC64LE_STRUCT |
| |
| namespace lldb_private { |
| namespace process_linux { |
| |
| class NativeProcessLinux; |
| |
| class NativeRegisterContextLinux_ppc64le : public NativeRegisterContextLinux { |
| public: |
| NativeRegisterContextLinux_ppc64le(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; |
| |
| //------------------------------------------------------------------ |
| // Hardware watchpoint management functions |
| //------------------------------------------------------------------ |
| |
| uint32_t NumSupportedHardwareWatchpoints() override; |
| |
| uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, |
| uint32_t watch_flags) override; |
| |
| bool ClearHardwareWatchpoint(uint32_t hw_index) override; |
| |
| Status GetWatchpointHitIndex(uint32_t &wp_index, |
| lldb::addr_t trap_addr) override; |
| |
| lldb::addr_t GetWatchpointHitAddress(uint32_t wp_index) override; |
| |
| lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override; |
| |
| uint32_t GetWatchpointSize(uint32_t wp_index); |
| |
| bool WatchpointIsEnabled(uint32_t wp_index); |
| |
| protected: |
| Status DoReadGPR(void *buf, size_t buf_size) override; |
| |
| Status DoWriteGPR(void *buf, size_t buf_size) override; |
| |
| Status DoReadFPR(void *buf, size_t buf_size) override; |
| |
| Status DoWriteFPR(void *buf, size_t buf_size) override; |
| |
| bool IsVMX(unsigned reg); |
| |
| bool IsVSX(unsigned reg); |
| |
| Status ReadVMX(); |
| |
| Status WriteVMX(); |
| |
| Status ReadVSX(); |
| |
| Status WriteVSX(); |
| |
| void *GetGPRBuffer() override { return &m_gpr_ppc64le; } |
| |
| void *GetFPRBuffer() override { return &m_fpr_ppc64le; } |
| |
| size_t GetFPRSize() override { return sizeof(m_fpr_ppc64le); } |
| |
| private: |
| GPR m_gpr_ppc64le; // 64-bit general purpose registers. |
| FPR m_fpr_ppc64le; // floating-point registers including extended register. |
| VMX m_vmx_ppc64le; // VMX registers. |
| VSX m_vsx_ppc64le; // Last lower bytes from first VSX registers. |
| |
| bool IsGPR(unsigned reg) const; |
| |
| bool IsFPR(unsigned reg) const; |
| |
| bool IsVMX(unsigned reg) const; |
| |
| bool IsVSX(unsigned reg) const; |
| |
| uint32_t CalculateFprOffset(const RegisterInfo *reg_info) const; |
| |
| uint32_t CalculateVmxOffset(const RegisterInfo *reg_info) const; |
| |
| uint32_t CalculateVsxOffset(const RegisterInfo *reg_info) const; |
| |
| Status ReadHardwareDebugInfo(); |
| |
| Status WriteHardwareDebugRegs(); |
| |
| // Debug register info for hardware watchpoints management. |
| struct DREG { |
| lldb::addr_t address; // Breakpoint/watchpoint address value. |
| lldb::addr_t hit_addr; // Address at which last watchpoint trigger |
| // exception occurred. |
| lldb::addr_t real_addr; // Address value that should cause target to stop. |
| uint32_t control; // Breakpoint/watchpoint control value. |
| uint32_t refcount; // Serves as enable/disable and reference counter. |
| long slot; // Saves the value returned from PTRACE_SETHWDEBUG. |
| int mode; // Defines if watchpoint is read/write/access. |
| }; |
| |
| std::array<DREG, 4> m_hwp_regs; |
| |
| // 16 is just a maximum value, query hardware for actual watchpoint count |
| uint32_t m_max_hwp_supported = 16; |
| uint32_t m_max_hbp_supported = 16; |
| bool m_refresh_hwdebug_info = true; |
| }; |
| |
| } // namespace process_linux |
| } // namespace lldb_private |
| |
| #endif // #ifndef lldb_NativeRegisterContextLinux_ppc64le_h |
| |
| #endif // defined(__powerpc64__) |