1//===-- RegisterContextPOSIX_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#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_POWERPC_H
10#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_POWERPC_H
11
12#include "RegisterContext_powerpc.h"
13#include "RegisterInfoInterface.h"
14#include "lldb/Target/RegisterContext.h"
15#include "lldb/Utility/Log.h"
16
17// Internal codes for all powerpc registers.
18enum {
19  k_first_gpr_powerpc,
20  gpr_r0_powerpc = k_first_gpr_powerpc,
21  gpr_r1_powerpc,
22  gpr_r2_powerpc,
23  gpr_r3_powerpc,
24  gpr_r4_powerpc,
25  gpr_r5_powerpc,
26  gpr_r6_powerpc,
27  gpr_r7_powerpc,
28  gpr_r8_powerpc,
29  gpr_r9_powerpc,
30  gpr_r10_powerpc,
31  gpr_r11_powerpc,
32  gpr_r12_powerpc,
33  gpr_r13_powerpc,
34  gpr_r14_powerpc,
35  gpr_r15_powerpc,
36  gpr_r16_powerpc,
37  gpr_r17_powerpc,
38  gpr_r18_powerpc,
39  gpr_r19_powerpc,
40  gpr_r20_powerpc,
41  gpr_r21_powerpc,
42  gpr_r22_powerpc,
43  gpr_r23_powerpc,
44  gpr_r24_powerpc,
45  gpr_r25_powerpc,
46  gpr_r26_powerpc,
47  gpr_r27_powerpc,
48  gpr_r28_powerpc,
49  gpr_r29_powerpc,
50  gpr_r30_powerpc,
51  gpr_r31_powerpc,
52  gpr_lr_powerpc,
53  gpr_cr_powerpc,
54  gpr_xer_powerpc,
55  gpr_ctr_powerpc,
56  gpr_pc_powerpc,
57  k_last_gpr_powerpc = gpr_pc_powerpc,
58
59  k_first_fpr,
60  fpr_f0_powerpc = k_first_fpr,
61  fpr_f1_powerpc,
62  fpr_f2_powerpc,
63  fpr_f3_powerpc,
64  fpr_f4_powerpc,
65  fpr_f5_powerpc,
66  fpr_f6_powerpc,
67  fpr_f7_powerpc,
68  fpr_f8_powerpc,
69  fpr_f9_powerpc,
70  fpr_f10_powerpc,
71  fpr_f11_powerpc,
72  fpr_f12_powerpc,
73  fpr_f13_powerpc,
74  fpr_f14_powerpc,
75  fpr_f15_powerpc,
76  fpr_f16_powerpc,
77  fpr_f17_powerpc,
78  fpr_f18_powerpc,
79  fpr_f19_powerpc,
80  fpr_f20_powerpc,
81  fpr_f21_powerpc,
82  fpr_f22_powerpc,
83  fpr_f23_powerpc,
84  fpr_f24_powerpc,
85  fpr_f25_powerpc,
86  fpr_f26_powerpc,
87  fpr_f27_powerpc,
88  fpr_f28_powerpc,
89  fpr_f29_powerpc,
90  fpr_f30_powerpc,
91  fpr_f31_powerpc,
92  fpr_fpscr_powerpc,
93  k_last_fpr = fpr_fpscr_powerpc,
94
95  k_first_vmx,
96  vmx_v0_powerpc = k_first_vmx,
97  vmx_v1_powerpc,
98  vmx_v2_powerpc,
99  vmx_v3_powerpc,
100  vmx_v4_powerpc,
101  vmx_v5_powerpc,
102  vmx_v6_powerpc,
103  vmx_v7_powerpc,
104  vmx_v8_powerpc,
105  vmx_v9_powerpc,
106  vmx_v10_powerpc,
107  vmx_v11_powerpc,
108  vmx_v12_powerpc,
109  vmx_v13_powerpc,
110  vmx_v14_powerpc,
111  vmx_v15_powerpc,
112  vmx_v16_powerpc,
113  vmx_v17_powerpc,
114  vmx_v18_powerpc,
115  vmx_v19_powerpc,
116  vmx_v20_powerpc,
117  vmx_v21_powerpc,
118  vmx_v22_powerpc,
119  vmx_v23_powerpc,
120  vmx_v24_powerpc,
121  vmx_v25_powerpc,
122  vmx_v26_powerpc,
123  vmx_v27_powerpc,
124  vmx_v28_powerpc,
125  vmx_v29_powerpc,
126  vmx_v30_powerpc,
127  vmx_v31_powerpc,
128  vmx_vrsave_powerpc,
129  vmx_vscr_powerpc,
130  k_last_vmx = vmx_vscr_powerpc,
131
132  k_num_registers_powerpc,
133  k_num_gpr_registers_powerpc = k_last_gpr_powerpc - k_first_gpr_powerpc + 1,
134  k_num_fpr_registers_powerpc = k_last_fpr - k_first_fpr + 1,
135  k_num_vmx_registers_powerpc = k_last_vmx - k_first_vmx + 1,
136};
137
138class RegisterContextPOSIX_powerpc : public lldb_private::RegisterContext {
139public:
140  RegisterContextPOSIX_powerpc(
141      lldb_private::Thread &thread, uint32_t concrete_frame_idx,
142      lldb_private::RegisterInfoInterface *register_info);
143
144  ~RegisterContextPOSIX_powerpc() override;
145
146  void Invalidate();
147
148  void InvalidateAllRegisters() override;
149
150  size_t GetRegisterCount() override;
151
152  virtual size_t GetGPRSize();
153
154  virtual unsigned GetRegisterSize(unsigned reg);
155
156  virtual unsigned GetRegisterOffset(unsigned reg);
157
158  const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
159
160  size_t GetRegisterSetCount() override;
161
162  const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;
163
164  const char *GetRegisterName(unsigned reg);
165
166protected:
167  uint64_t
168      m_gpr_powerpc[k_num_gpr_registers_powerpc]; // general purpose registers.
169  uint64_t
170      m_fpr_powerpc[k_num_fpr_registers_powerpc]; // floating point registers.
171  uint32_t m_vmx_powerpc[k_num_vmx_registers_powerpc][4];
172  std::unique_ptr<lldb_private::RegisterInfoInterface>
173      m_register_info_up; // Register Info Interface (FreeBSD or Linux)
174
175  // Determines if an extended register set is supported on the processor
176  // running the inferior process.
177  virtual bool IsRegisterSetAvailable(size_t set_index);
178
179  virtual const lldb_private::RegisterInfo *GetRegisterInfo();
180
181  bool IsGPR(unsigned reg);
182
183  bool IsFPR(unsigned reg);
184
185  bool IsVMX(unsigned reg);
186
187  virtual bool ReadGPR() = 0;
188  virtual bool ReadFPR() = 0;
189  virtual bool ReadVMX() = 0;
190  virtual bool WriteGPR() = 0;
191  virtual bool WriteFPR() = 0;
192  virtual bool WriteVMX() = 0;
193};
194
195#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_POWERPC_H
196