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__)
76