1 //===-- PlatformRemoteAppleTV.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 <string>
10 #include <vector>
11
12 #include "PlatformRemoteAppleTV.h"
13
14 #include "lldb/Breakpoint/BreakpointLocation.h"
15 #include "lldb/Core/Module.h"
16 #include "lldb/Core/ModuleList.h"
17 #include "lldb/Core/ModuleSpec.h"
18 #include "lldb/Core/PluginManager.h"
19 #include "lldb/Host/Host.h"
20 #include "lldb/Target/Process.h"
21 #include "lldb/Target/Target.h"
22 #include "lldb/Utility/ArchSpec.h"
23 #include "lldb/Utility/FileSpec.h"
24 #include "lldb/Utility/Log.h"
25 #include "lldb/Utility/Status.h"
26 #include "lldb/Utility/StreamString.h"
27
28 using namespace lldb;
29 using namespace lldb_private;
30
31 /// Default Constructor
PlatformRemoteAppleTV()32 PlatformRemoteAppleTV::PlatformRemoteAppleTV()
33 : PlatformRemoteDarwinDevice () {}
34
35 // Static Variables
36 static uint32_t g_initialize_count = 0;
37
38 // Static Functions
Initialize()39 void PlatformRemoteAppleTV::Initialize() {
40 PlatformDarwin::Initialize();
41
42 if (g_initialize_count++ == 0) {
43 PluginManager::RegisterPlugin(PlatformRemoteAppleTV::GetPluginNameStatic(),
44 PlatformRemoteAppleTV::GetDescriptionStatic(),
45 PlatformRemoteAppleTV::CreateInstance);
46 }
47 }
48
Terminate()49 void PlatformRemoteAppleTV::Terminate() {
50 if (g_initialize_count > 0) {
51 if (--g_initialize_count == 0) {
52 PluginManager::UnregisterPlugin(PlatformRemoteAppleTV::CreateInstance);
53 }
54 }
55
56 PlatformDarwin::Terminate();
57 }
58
CreateInstance(bool force,const ArchSpec * arch)59 PlatformSP PlatformRemoteAppleTV::CreateInstance(bool force,
60 const ArchSpec *arch) {
61 Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PLATFORM));
62 if (log) {
63 const char *arch_name;
64 if (arch && arch->GetArchitectureName())
65 arch_name = arch->GetArchitectureName();
66 else
67 arch_name = "<null>";
68
69 const char *triple_cstr =
70 arch ? arch->GetTriple().getTriple().c_str() : "<null>";
71
72 LLDB_LOGF(log, "PlatformRemoteAppleTV::%s(force=%s, arch={%s,%s})",
73 __FUNCTION__, force ? "true" : "false", arch_name, triple_cstr);
74 }
75
76 bool create = force;
77 if (!create && arch && arch->IsValid()) {
78 switch (arch->GetMachine()) {
79 case llvm::Triple::arm:
80 case llvm::Triple::aarch64:
81 case llvm::Triple::thumb: {
82 const llvm::Triple &triple = arch->GetTriple();
83 llvm::Triple::VendorType vendor = triple.getVendor();
84 switch (vendor) {
85 case llvm::Triple::Apple:
86 create = true;
87 break;
88
89 #if defined(__APPLE__)
90 // Only accept "unknown" for the vendor if the host is Apple and
91 // "unknown" wasn't specified (it was just returned because it was NOT
92 // specified)
93 case llvm::Triple::UnknownVendor:
94 create = !arch->TripleVendorWasSpecified();
95 break;
96
97 #endif
98 default:
99 break;
100 }
101 if (create) {
102 switch (triple.getOS()) {
103 case llvm::Triple::TvOS: // This is the right triple value for Apple TV
104 // debugging
105 break;
106
107 default:
108 create = false;
109 break;
110 }
111 }
112 } break;
113 default:
114 break;
115 }
116 }
117
118 if (create) {
119 LLDB_LOGF(log, "PlatformRemoteAppleTV::%s() creating platform",
120 __FUNCTION__);
121
122 return lldb::PlatformSP(new PlatformRemoteAppleTV());
123 }
124
125 LLDB_LOGF(log, "PlatformRemoteAppleTV::%s() aborting creation of platform",
126 __FUNCTION__);
127
128 return lldb::PlatformSP();
129 }
130
GetPluginNameStatic()131 lldb_private::ConstString PlatformRemoteAppleTV::GetPluginNameStatic() {
132 static ConstString g_name("remote-tvos");
133 return g_name;
134 }
135
GetDescriptionStatic()136 const char *PlatformRemoteAppleTV::GetDescriptionStatic() {
137 return "Remote Apple TV platform plug-in.";
138 }
139
GetSupportedArchitectureAtIndex(uint32_t idx,ArchSpec & arch)140 bool PlatformRemoteAppleTV::GetSupportedArchitectureAtIndex(uint32_t idx,
141 ArchSpec &arch) {
142 ArchSpec system_arch(GetSystemArchitecture());
143
144 const ArchSpec::Core system_core = system_arch.GetCore();
145 switch (system_core) {
146 default:
147 switch (idx) {
148 case 0:
149 arch.SetTriple("arm64-apple-tvos");
150 return true;
151 case 1:
152 arch.SetTriple("armv7s-apple-tvos");
153 return true;
154 case 2:
155 arch.SetTriple("armv7-apple-tvos");
156 return true;
157 case 3:
158 arch.SetTriple("thumbv7s-apple-tvos");
159 return true;
160 case 4:
161 arch.SetTriple("thumbv7-apple-tvos");
162 return true;
163 default:
164 break;
165 }
166 break;
167
168 case ArchSpec::eCore_arm_arm64:
169 switch (idx) {
170 case 0:
171 arch.SetTriple("arm64-apple-tvos");
172 return true;
173 case 1:
174 arch.SetTriple("armv7s-apple-tvos");
175 return true;
176 case 2:
177 arch.SetTriple("armv7-apple-tvos");
178 return true;
179 case 3:
180 arch.SetTriple("thumbv7s-apple-tvos");
181 return true;
182 case 4:
183 arch.SetTriple("thumbv7-apple-tvos");
184 return true;
185 default:
186 break;
187 }
188 break;
189
190 case ArchSpec::eCore_arm_armv7s:
191 switch (idx) {
192 case 0:
193 arch.SetTriple("armv7s-apple-tvos");
194 return true;
195 case 1:
196 arch.SetTriple("armv7-apple-tvos");
197 return true;
198 case 2:
199 arch.SetTriple("thumbv7s-apple-tvos");
200 return true;
201 case 3:
202 arch.SetTriple("thumbv7-apple-tvos");
203 return true;
204 default:
205 break;
206 }
207 break;
208
209 case ArchSpec::eCore_arm_armv7:
210 switch (idx) {
211 case 0:
212 arch.SetTriple("armv7-apple-tvos");
213 return true;
214 case 1:
215 arch.SetTriple("thumbv7-apple-tvos");
216 return true;
217 default:
218 break;
219 }
220 break;
221 }
222 arch.Clear();
223 return false;
224 }
225
GetDeviceSupportDirectoryName()226 llvm::StringRef PlatformRemoteAppleTV::GetDeviceSupportDirectoryName() {
227 return "tvOS DeviceSupport";
228 }
229
GetPlatformName()230 llvm::StringRef PlatformRemoteAppleTV::GetPlatformName() {
231 return "AppleTVOS.platform";
232 }
233