1 //===-- PlatformRemoteAppleTV.cpp -------------------------------*- 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 #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 32 PlatformRemoteAppleTV::PlatformRemoteAppleTV() 33 : PlatformRemoteDarwinDevice () {} 34 35 // Static Variables 36 static uint32_t g_initialize_count = 0; 37 38 // Static Functions 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 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 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 log->Printf("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 if (log) 120 log->Printf("PlatformRemoteAppleTV::%s() creating platform", 121 __FUNCTION__); 122 123 return lldb::PlatformSP(new PlatformRemoteAppleTV()); 124 } 125 126 if (log) 127 log->Printf("PlatformRemoteAppleTV::%s() aborting creation of platform", 128 __FUNCTION__); 129 130 return lldb::PlatformSP(); 131 } 132 133 lldb_private::ConstString PlatformRemoteAppleTV::GetPluginNameStatic() { 134 static ConstString g_name("remote-tvos"); 135 return g_name; 136 } 137 138 const char *PlatformRemoteAppleTV::GetDescriptionStatic() { 139 return "Remote Apple TV platform plug-in."; 140 } 141 142 bool PlatformRemoteAppleTV::GetSupportedArchitectureAtIndex(uint32_t idx, 143 ArchSpec &arch) { 144 ArchSpec system_arch(GetSystemArchitecture()); 145 146 const ArchSpec::Core system_core = system_arch.GetCore(); 147 switch (system_core) { 148 default: 149 switch (idx) { 150 case 0: 151 arch.SetTriple("arm64-apple-tvos"); 152 return true; 153 case 1: 154 arch.SetTriple("armv7s-apple-tvos"); 155 return true; 156 case 2: 157 arch.SetTriple("armv7-apple-tvos"); 158 return true; 159 case 3: 160 arch.SetTriple("thumbv7s-apple-tvos"); 161 return true; 162 case 4: 163 arch.SetTriple("thumbv7-apple-tvos"); 164 return true; 165 default: 166 break; 167 } 168 break; 169 170 case ArchSpec::eCore_arm_arm64: 171 switch (idx) { 172 case 0: 173 arch.SetTriple("arm64-apple-tvos"); 174 return true; 175 case 1: 176 arch.SetTriple("armv7s-apple-tvos"); 177 return true; 178 case 2: 179 arch.SetTriple("armv7-apple-tvos"); 180 return true; 181 case 3: 182 arch.SetTriple("thumbv7s-apple-tvos"); 183 return true; 184 case 4: 185 arch.SetTriple("thumbv7-apple-tvos"); 186 return true; 187 default: 188 break; 189 } 190 break; 191 192 case ArchSpec::eCore_arm_armv7s: 193 switch (idx) { 194 case 0: 195 arch.SetTriple("armv7s-apple-tvos"); 196 return true; 197 case 1: 198 arch.SetTriple("armv7-apple-tvos"); 199 return true; 200 case 2: 201 arch.SetTriple("thumbv7s-apple-tvos"); 202 return true; 203 case 3: 204 arch.SetTriple("thumbv7-apple-tvos"); 205 return true; 206 default: 207 break; 208 } 209 break; 210 211 case ArchSpec::eCore_arm_armv7: 212 switch (idx) { 213 case 0: 214 arch.SetTriple("armv7-apple-tvos"); 215 return true; 216 case 1: 217 arch.SetTriple("thumbv7-apple-tvos"); 218 return true; 219 default: 220 break; 221 } 222 break; 223 } 224 arch.Clear(); 225 return false; 226 } 227 228 229 void PlatformRemoteAppleTV::GetDeviceSupportDirectoryNames (std::vector<std::string> &dirnames) 230 { 231 dirnames.clear(); 232 dirnames.push_back("tvOS DeviceSupport"); 233 } 234 235 std::string PlatformRemoteAppleTV::GetPlatformName () 236 { 237 return "AppleTVOS.platform"; 238 } 239 240