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1 //===-- RegisterContextFreeBSD_powerpc.cpp --------------------------------===//
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 #include "RegisterContextFreeBSD_powerpc.h"
10 #include "RegisterContextPOSIX_powerpc.h"
11 #include <vector>
12 
13 using namespace lldb_private;
14 using namespace lldb;
15 
16 // http://svnweb.freebsd.org/base/head/sys/powerpc/include/reg.h
17 typedef struct _GPR64 {
18   uint64_t r0;
19   uint64_t r1;
20   uint64_t r2;
21   uint64_t r3;
22   uint64_t r4;
23   uint64_t r5;
24   uint64_t r6;
25   uint64_t r7;
26   uint64_t r8;
27   uint64_t r9;
28   uint64_t r10;
29   uint64_t r11;
30   uint64_t r12;
31   uint64_t r13;
32   uint64_t r14;
33   uint64_t r15;
34   uint64_t r16;
35   uint64_t r17;
36   uint64_t r18;
37   uint64_t r19;
38   uint64_t r20;
39   uint64_t r21;
40   uint64_t r22;
41   uint64_t r23;
42   uint64_t r24;
43   uint64_t r25;
44   uint64_t r26;
45   uint64_t r27;
46   uint64_t r28;
47   uint64_t r29;
48   uint64_t r30;
49   uint64_t r31;
50   uint64_t lr;
51   uint64_t cr;
52   uint64_t xer;
53   uint64_t ctr;
54   uint64_t pc;
55 } GPR64;
56 
57 typedef struct _GPR32 {
58   uint32_t r0;
59   uint32_t r1;
60   uint32_t r2;
61   uint32_t r3;
62   uint32_t r4;
63   uint32_t r5;
64   uint32_t r6;
65   uint32_t r7;
66   uint32_t r8;
67   uint32_t r9;
68   uint32_t r10;
69   uint32_t r11;
70   uint32_t r12;
71   uint32_t r13;
72   uint32_t r14;
73   uint32_t r15;
74   uint32_t r16;
75   uint32_t r17;
76   uint32_t r18;
77   uint32_t r19;
78   uint32_t r20;
79   uint32_t r21;
80   uint32_t r22;
81   uint32_t r23;
82   uint32_t r24;
83   uint32_t r25;
84   uint32_t r26;
85   uint32_t r27;
86   uint32_t r28;
87   uint32_t r29;
88   uint32_t r30;
89   uint32_t r31;
90   uint32_t lr;
91   uint32_t cr;
92   uint32_t xer;
93   uint32_t ctr;
94   uint32_t pc;
95 } GPR32;
96 
97 typedef struct _FPR {
98   uint64_t f0;
99   uint64_t f1;
100   uint64_t f2;
101   uint64_t f3;
102   uint64_t f4;
103   uint64_t f5;
104   uint64_t f6;
105   uint64_t f7;
106   uint64_t f8;
107   uint64_t f9;
108   uint64_t f10;
109   uint64_t f11;
110   uint64_t f12;
111   uint64_t f13;
112   uint64_t f14;
113   uint64_t f15;
114   uint64_t f16;
115   uint64_t f17;
116   uint64_t f18;
117   uint64_t f19;
118   uint64_t f20;
119   uint64_t f21;
120   uint64_t f22;
121   uint64_t f23;
122   uint64_t f24;
123   uint64_t f25;
124   uint64_t f26;
125   uint64_t f27;
126   uint64_t f28;
127   uint64_t f29;
128   uint64_t f30;
129   uint64_t f31;
130   uint64_t fpscr;
131 } FPR;
132 
133 typedef struct _VMX {
134   uint32_t v0[4];
135   uint32_t v1[4];
136   uint32_t v2[4];
137   uint32_t v3[4];
138   uint32_t v4[4];
139   uint32_t v5[4];
140   uint32_t v6[4];
141   uint32_t v7[4];
142   uint32_t v8[4];
143   uint32_t v9[4];
144   uint32_t v10[4];
145   uint32_t v11[4];
146   uint32_t v12[4];
147   uint32_t v13[4];
148   uint32_t v14[4];
149   uint32_t v15[4];
150   uint32_t v16[4];
151   uint32_t v17[4];
152   uint32_t v18[4];
153   uint32_t v19[4];
154   uint32_t v20[4];
155   uint32_t v21[4];
156   uint32_t v22[4];
157   uint32_t v23[4];
158   uint32_t v24[4];
159   uint32_t v25[4];
160   uint32_t v26[4];
161   uint32_t v27[4];
162   uint32_t v28[4];
163   uint32_t v29[4];
164   uint32_t v30[4];
165   uint32_t v31[4];
166   uint32_t pad[2];
167   uint32_t vrsave;
168   uint32_t vscr;
169 } VMX;
170 
171 // Include RegisterInfos_powerpc to declare our g_register_infos_powerpc
172 // structure.
173 #define DECLARE_REGISTER_INFOS_POWERPC_STRUCT
174 #include "RegisterInfos_powerpc.h"
175 #undef DECLARE_REGISTER_INFOS_POWERPC_STRUCT
176 
RegisterContextFreeBSD_powerpc(const ArchSpec & target_arch)177 RegisterContextFreeBSD_powerpc::RegisterContextFreeBSD_powerpc(
178     const ArchSpec &target_arch)
179     : RegisterInfoInterface(target_arch) {}
180 
~RegisterContextFreeBSD_powerpc()181 RegisterContextFreeBSD_powerpc::~RegisterContextFreeBSD_powerpc() {}
182 
GetGPRSize() const183 size_t RegisterContextFreeBSD_powerpc::GetGPRSize() const {
184   // This is an 'abstract' base, so no GPR struct.
185   return 0;
186 }
187 
GetRegisterInfo() const188 const RegisterInfo *RegisterContextFreeBSD_powerpc::GetRegisterInfo() const {
189   // assert (m_target_arch.GetCore() == ArchSpec::eCore_powerpc);
190   llvm_unreachable("Abstract class!");
191   return nullptr;
192 }
193 
GetRegisterCount() const194 uint32_t RegisterContextFreeBSD_powerpc::GetRegisterCount() const { return 0; }
195 
RegisterContextFreeBSD_powerpc32(const ArchSpec & target_arch)196 RegisterContextFreeBSD_powerpc32::RegisterContextFreeBSD_powerpc32(
197     const ArchSpec &target_arch)
198     : RegisterContextFreeBSD_powerpc(target_arch) {}
199 
~RegisterContextFreeBSD_powerpc32()200 RegisterContextFreeBSD_powerpc32::~RegisterContextFreeBSD_powerpc32() {}
201 
GetGPRSize() const202 size_t RegisterContextFreeBSD_powerpc32::GetGPRSize() const {
203   return sizeof(GPR32);
204 }
205 
GetRegisterInfo() const206 const RegisterInfo *RegisterContextFreeBSD_powerpc32::GetRegisterInfo() const {
207   // assert (m_target_arch.GetCore() == ArchSpec::eCore_powerpc);
208   return g_register_infos_powerpc32;
209 }
210 
GetRegisterCount() const211 uint32_t RegisterContextFreeBSD_powerpc32::GetRegisterCount() const {
212   return static_cast<uint32_t>(sizeof(g_register_infos_powerpc32) /
213                                sizeof(g_register_infos_powerpc32[0]));
214 }
215 
RegisterContextFreeBSD_powerpc64(const ArchSpec & target_arch)216 RegisterContextFreeBSD_powerpc64::RegisterContextFreeBSD_powerpc64(
217     const ArchSpec &target_arch)
218     : RegisterContextFreeBSD_powerpc(target_arch) {}
219 
~RegisterContextFreeBSD_powerpc64()220 RegisterContextFreeBSD_powerpc64::~RegisterContextFreeBSD_powerpc64() {}
221 
GetGPRSize() const222 size_t RegisterContextFreeBSD_powerpc64::GetGPRSize() const {
223   return sizeof(GPR64);
224 }
225 
GetRegisterInfo() const226 const RegisterInfo *RegisterContextFreeBSD_powerpc64::GetRegisterInfo() const {
227   // assert (m_target_arch.GetCore() == ArchSpec::eCore_powerpc);
228   if (m_target_arch.GetMachine() == llvm::Triple::ppc)
229     return g_register_infos_powerpc64_32;
230   return g_register_infos_powerpc64;
231 }
232 
GetRegisterCount() const233 uint32_t RegisterContextFreeBSD_powerpc64::GetRegisterCount() const {
234   return static_cast<uint32_t>(sizeof(g_register_infos_powerpc64) /
235                                sizeof(g_register_infos_powerpc64[0]));
236 }
237