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

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