LLDB  mainline
PlatformRemoteAppleTV.cpp
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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 
15 #include "lldb/Core/Module.h"
16 #include "lldb/Core/ModuleList.h"
17 #include "lldb/Core/ModuleSpec.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"
27 
28 using namespace lldb;
29 using namespace lldb_private;
30 
31 /// Default Constructor
34 
35 // Static Variables
37 
38 // Static Functions
41 
42  if (g_initialize_count++ == 0) {
43  PluginManager::RegisterPlugin(PlatformRemoteAppleTV::GetPluginNameStatic(),
46  }
47 }
48 
50  if (g_initialize_count > 0) {
51  if (--g_initialize_count == 0) {
52  PluginManager::UnregisterPlugin(PlatformRemoteAppleTV::CreateInstance);
53  }
54  }
55 
57 }
58 
60  const ArchSpec *arch) {
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 
132  return "Remote Apple TV platform plug-in.";
133 }
134 
136  ArchSpec &arch) {
137  ArchSpec system_arch(GetSystemArchitecture());
138 
139  const ArchSpec::Core system_core = system_arch.GetCore();
140  switch (system_core) {
141  default:
142  switch (idx) {
143  case 0:
144  arch.SetTriple("arm64-apple-tvos");
145  return true;
146  case 1:
147  arch.SetTriple("armv7s-apple-tvos");
148  return true;
149  case 2:
150  arch.SetTriple("armv7-apple-tvos");
151  return true;
152  case 3:
153  arch.SetTriple("thumbv7s-apple-tvos");
154  return true;
155  case 4:
156  arch.SetTriple("thumbv7-apple-tvos");
157  return true;
158  default:
159  break;
160  }
161  break;
162 
163  case ArchSpec::eCore_arm_arm64:
164  switch (idx) {
165  case 0:
166  arch.SetTriple("arm64-apple-tvos");
167  return true;
168  case 1:
169  arch.SetTriple("armv7s-apple-tvos");
170  return true;
171  case 2:
172  arch.SetTriple("armv7-apple-tvos");
173  return true;
174  case 3:
175  arch.SetTriple("thumbv7s-apple-tvos");
176  return true;
177  case 4:
178  arch.SetTriple("thumbv7-apple-tvos");
179  return true;
180  default:
181  break;
182  }
183  break;
184 
185  case ArchSpec::eCore_arm_armv7s:
186  switch (idx) {
187  case 0:
188  arch.SetTriple("armv7s-apple-tvos");
189  return true;
190  case 1:
191  arch.SetTriple("armv7-apple-tvos");
192  return true;
193  case 2:
194  arch.SetTriple("thumbv7s-apple-tvos");
195  return true;
196  case 3:
197  arch.SetTriple("thumbv7-apple-tvos");
198  return true;
199  default:
200  break;
201  }
202  break;
203 
204  case ArchSpec::eCore_arm_armv7:
205  switch (idx) {
206  case 0:
207  arch.SetTriple("armv7-apple-tvos");
208  return true;
209  case 1:
210  arch.SetTriple("thumbv7-apple-tvos");
211  return true;
212  default:
213  break;
214  }
215  break;
216  }
217  arch.Clear();
218  return false;
219 }
220 
222  return "tvOS DeviceSupport";
223 }
224 
226  return "AppleTVOS.platform";
227 }
PlatformRemoteAppleTV.h
lldb_private::ArchSpec
Definition: ArchSpec.h:33
lldb_private::ArchSpec::TripleVendorWasSpecified
bool TripleVendorWasSpecified() const
Definition: ArchSpec.h:347
PlatformRemoteAppleTV::Initialize
static void Initialize()
Definition: PlatformRemoteAppleTV.cpp:39
lldb_private::ArchSpec::GetMachine
llvm::Triple::ArchType GetMachine() const
Returns a machine family for the current architecture.
Definition: ArchSpec.cpp:667
ModuleSpec.h
Host.h
lldb_private::ArchSpec::GetCore
Core GetCore() const
Definition: ArchSpec.h:423
LLDB_LOGF
#define LLDB_LOGF(log,...)
Definition: Log.h:249
PlatformRemoteAppleTV::GetPluginNameStatic
static llvm::StringRef GetPluginNameStatic()
Definition: PlatformRemoteAppleTV.h:32
PlatformRemoteAppleTV::GetPlatformName
llvm::StringRef GetPlatformName() override
Definition: PlatformRemoteAppleTV.cpp:225
Module.h
BreakpointLocation.h
LIBLLDB_LOG_PLATFORM
#define LIBLLDB_LOG_PLATFORM
Definition: Logging.h:39
lldb_private::ArchSpec::GetTriple
llvm::Triple & GetTriple()
Architecture triple accessor.
Definition: ArchSpec.h:444
PlatformRemoteAppleTV::CreateInstance
static lldb::PlatformSP CreateInstance(bool force, const lldb_private::ArchSpec *arch)
Definition: PlatformRemoteAppleTV.cpp:59
PlatformRemoteDarwinDevice
Definition: PlatformRemoteDarwinDevice.h:19
Process.h
lldb_private::ArchSpec::Core
Core
Definition: ArchSpec.h:101
Target.h
lldb_private::Platform::GetSystemArchitecture
const ArchSpec & GetSystemArchitecture()
Definition: Platform.cpp:882
PlatformRemoteAppleTV::PlatformRemoteAppleTV
PlatformRemoteAppleTV()
Default Constructor.
Definition: PlatformRemoteAppleTV.cpp:32
ModuleList.h
Log.h
lldb_private::ArchSpec::SetTriple
bool SetTriple(const llvm::Triple &triple)
Architecture triple setter.
Definition: ArchSpec.cpp:739
StreamString.h
g_initialize_count
static uint32_t g_initialize_count
Definition: PlatformRemoteAppleTV.cpp:36
lldb_private::Platform::Terminate
static void Terminate()
Definition: Platform.cpp:149
lldb_private::GetLogIfAllCategoriesSet
Log * GetLogIfAllCategoriesSet(uint32_t mask)
Definition: Logging.cpp:58
PlatformRemoteAppleTV::GetDeviceSupportDirectoryName
llvm::StringRef GetDeviceSupportDirectoryName() override
Definition: PlatformRemoteAppleTV.cpp:221
PlatformRemoteAppleTV::GetDescriptionStatic
static llvm::StringRef GetDescriptionStatic()
Definition: PlatformRemoteAppleTV.cpp:131
PlatformRemoteAppleTV::GetSupportedArchitectureAtIndex
bool GetSupportedArchitectureAtIndex(uint32_t idx, lldb_private::ArchSpec &arch) override
Get the platform's supported architectures in the order in which they should be searched.
Definition: PlatformRemoteAppleTV.cpp:135
lldb_private::ArchSpec::IsValid
bool IsValid() const
Tests if this ArchSpec is valid.
Definition: ArchSpec.h:342
lldb_private::Platform::Initialize
static void Initialize()
Definition: Platform.cpp:147
lldb_private::ArchSpec::GetArchitectureName
const char * GetArchitectureName() const
Returns a static string representing the current architecture.
Definition: ArchSpec.cpp:538
PlatformRemoteAppleTV::Terminate
static void Terminate()
Definition: PlatformRemoteAppleTV.cpp:49
uint32_t
ArchSpec.h
PluginManager.h
Status.h
lldb_private
A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
FileSpec.h
lldb_private::Log
Definition: Log.h:49
lldb_private::ArchSpec::Clear
void Clear()
Clears the object state.
Definition: ArchSpec.cpp:527
lldb
Definition: SBAddress.h:15