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 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 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 } 130 131 llvm::StringRef PlatformRemoteAppleTV::GetDescriptionStatic() { 132 return "Remote Apple TV platform plug-in."; 133 } 134 135 bool PlatformRemoteAppleTV::GetSupportedArchitectureAtIndex(uint32_t idx, 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 } 220 221 llvm::StringRef PlatformRemoteAppleTV::GetDeviceSupportDirectoryName() { 222 return "tvOS DeviceSupport"; 223 } 224 225 llvm::StringRef PlatformRemoteAppleTV::GetPlatformName() { 226 return "AppleTVOS.platform"; 227 } 228