1//===-- RegisterInfoPOSIX_riscv32.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#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOPOSIX_RISCV32_H
10#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOPOSIX_RISCV32_H
11
12#include "RegisterInfoAndSetInterface.h"
13#include "lldb/Target/RegisterContext.h"
14#include "lldb/Utility/Flags.h"
15#include "lldb/lldb-private.h"
16
17#include <map>
18
19class RegisterInfoPOSIX_riscv32
20 : public lldb_private::RegisterInfoAndSetInterface {
21public:
22 static const lldb_private::RegisterInfo *
23 GetRegisterInfoPtr(const lldb_private::ArchSpec &target_arch);
24 static uint32_t
25 GetRegisterInfoCount(const lldb_private::ArchSpec &target_arch);
26
27public:
28 // RISC-V32 register set mask value
29 enum {
30 eRegsetMaskDefault = 0,
31 eRegsetMaskFP = 1,
32 eRegsetMaskAll = -1,
33 };
34
35 struct GPR {
36 // gpr[0] is pc, not x0, which is the zero register.
37 uint32_t gpr[32];
38 };
39
40 struct FPR {
41 uint32_t fpr[32];
42 uint32_t fcsr;
43 };
44
45 RegisterInfoPOSIX_riscv32(const lldb_private::ArchSpec &target_arch,
46 lldb_private::Flags flags);
47
48 size_t GetGPRSize() const override;
49
50 size_t GetFPRSize() const override;
51
52 const lldb_private::RegisterInfo *GetRegisterInfo() const override;
53
54 uint32_t GetRegisterCount() const override;
55
56 const lldb_private::RegisterSet *
57 GetRegisterSet(size_t reg_set) const override;
58
59 size_t GetRegisterSetCount() const override;
60
61 size_t GetRegisterSetFromRegisterIndex(uint32_t reg_index) const override;
62
63 bool IsFPPresent() const { return m_opt_regsets.AnySet(mask: eRegsetMaskFP); }
64
65private:
66 const lldb_private::RegisterInfo *m_register_info_p;
67 uint32_t m_register_info_count;
68 lldb_private::Flags m_opt_regsets;
69};
70
71#endif
72

source code of lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_riscv32.h