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+//===-- 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 "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 &reg_value) override;
+
+ Status WriteRegister(const RegisterInfo *reg_info,
+ const RegisterValue &reg_value) override;
+
+ Status ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
+
+ Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
+
+ //------------------------------------------------------------------
+ // Hardware watchpoint mangement 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__)