lldb/source/Plugins/Process/FreeBSD/NativeRegisterContextFreeBSD_powerpc.h

   1 //===-- NativeRegisterContextFreeBSD_powerpc.h ------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #if defined(__powerpc__)
  10
  11 #ifndef lldb_NativeRegisterContextFreeBSD_powerpc_h
  12 #define lldb_NativeRegisterContextFreeBSD_powerpc_h
  13
  14 // clang-format off
  15 #include <sys/types.h>
  16 #include <machine/reg.h>
  17 // clang-format on
  18
  19 #include "Plugins/Process/FreeBSD/NativeRegisterContextFreeBSD.h"
  20 #include "Plugins/Process/Utility/RegisterContextFreeBSD_powerpc.h"
  21
  22 #include <array>
  23 #include <optional>
  24
  25 namespace lldb_private {
  26 namespace process_freebsd {
  27
  28 class NativeProcessFreeBSD;
  29
  30 class NativeRegisterContextFreeBSD_powerpc
  31     : public NativeRegisterContextFreeBSD {
  32 public:
  33   NativeRegisterContextFreeBSD_powerpc(const ArchSpec &target_arch,
  34                                        NativeThreadFreeBSD &native_thread);
  35
  36   uint32_t GetRegisterSetCount() const override;
  37
  38   uint32_t GetUserRegisterCount() const override;
  39
  40   const RegisterSet *GetRegisterSet(uint32_t set_index) const override;
  41
  42   Status ReadRegister(const RegisterInfo *reg_info,
  43                       RegisterValue &reg_value) override;
  44
  45   Status WriteRegister(const RegisterInfo *reg_info,
  46                        const RegisterValue &reg_value) override;
  47
  48   Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;
  49
  50   Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
  51
  52   llvm::Error
  53   CopyHardwareWatchpointsFrom(NativeRegisterContextFreeBSD &source) override;
  54
  55 private:
  56   enum RegSetKind {
  57     GPRegSet,
  58     FPRegSet,
  59   };
  60   std::array<uint8_t, sizeof(reg) + sizeof(fpreg)> m_reg_data;
  61
  62   std::optional<RegSetKind> GetSetForNativeRegNum(uint32_t reg_num) const;
  63
  64   Status ReadRegisterSet(RegSetKind set);
  65   Status WriteRegisterSet(RegSetKind set);
  66
  67   RegisterContextFreeBSD_powerpc &GetRegisterInfo() const;
  68 };
  69
  70 } // namespace process_freebsd
  71 } // namespace lldb_private
  72
  73 #endif // #ifndef lldb_NativeRegisterContextFreeBSD_powerpc_h
  74
  75 #endif // defined (__powerpc__)