1 //===-- PlatformRemoteAppleWatch.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 "PlatformRemoteAppleWatch.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 // Static Variables 32 static uint32_t g_initialize_count = 0; 33 34 // Static Functions 35 void PlatformRemoteAppleWatch::Initialize() { 36 PlatformDarwin::Initialize(); 37 38 if (g_initialize_count++ == 0) { 39 PluginManager::RegisterPlugin( 40 PlatformRemoteAppleWatch::GetPluginNameStatic(), 41 PlatformRemoteAppleWatch::GetDescriptionStatic(), 42 PlatformRemoteAppleWatch::CreateInstance); 43 } 44 } 45 46 void PlatformRemoteAppleWatch::Terminate() { 47 if (g_initialize_count > 0) { 48 if (--g_initialize_count == 0) { 49 PluginManager::UnregisterPlugin(PlatformRemoteAppleWatch::CreateInstance); 50 } 51 } 52 53 PlatformDarwin::Terminate(); 54 } 55 56 PlatformSP PlatformRemoteAppleWatch::CreateInstance(bool force, 57 const ArchSpec *arch) { 58 Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PLATFORM)); 59 if (log) { 60 const char *arch_name; 61 if (arch && arch->GetArchitectureName()) 62 arch_name = arch->GetArchitectureName(); 63 else 64 arch_name = "<null>"; 65 66 const char *triple_cstr = 67 arch ? arch->GetTriple().getTriple().c_str() : "<null>"; 68 69 log->Printf("PlatformRemoteAppleWatch::%s(force=%s, arch={%s,%s})", 70 __FUNCTION__, force ? "true" : "false", arch_name, triple_cstr); 71 } 72 73 bool create = force; 74 if (!create && arch && arch->IsValid()) { 75 switch (arch->GetMachine()) { 76 case llvm::Triple::arm: 77 case llvm::Triple::aarch64: 78 case llvm::Triple::thumb: { 79 const llvm::Triple &triple = arch->GetTriple(); 80 llvm::Triple::VendorType vendor = triple.getVendor(); 81 switch (vendor) { 82 case llvm::Triple::Apple: 83 create = true; 84 break; 85 86 #if defined(__APPLE__) 87 // Only accept "unknown" for the vendor if the host is Apple and 88 // "unknown" wasn't specified (it was just returned because it was NOT 89 // specified) 90 case llvm::Triple::UnknownVendor: 91 create = !arch->TripleVendorWasSpecified(); 92 break; 93 94 #endif 95 default: 96 break; 97 } 98 if (create) { 99 switch (triple.getOS()) { 100 case llvm::Triple::WatchOS: // This is the right triple value for Apple 101 // Watch debugging 102 break; 103 104 default: 105 create = false; 106 break; 107 } 108 } 109 } break; 110 default: 111 break; 112 } 113 } 114 115 #if defined(__APPLE__) && \ 116 (defined(__arm__) || defined(__arm64__) || defined(__aarch64__)) 117 // If lldb is running on a watch, this isn't a RemoteWatch environment; it's 118 // a local system environment. 119 if (force == false) { 120 create = false; 121 } 122 #endif 123 124 if (create) { 125 if (log) 126 log->Printf("PlatformRemoteAppleWatch::%s() creating platform", 127 __FUNCTION__); 128 129 return lldb::PlatformSP(new PlatformRemoteAppleWatch()); 130 } 131 132 if (log) 133 log->Printf("PlatformRemoteAppleWatch::%s() aborting creation of platform", 134 __FUNCTION__); 135 136 return lldb::PlatformSP(); 137 } 138 139 lldb_private::ConstString PlatformRemoteAppleWatch::GetPluginNameStatic() { 140 static ConstString g_name("remote-watchos"); 141 return g_name; 142 } 143 144 const char *PlatformRemoteAppleWatch::GetDescriptionStatic() { 145 return "Remote Apple Watch platform plug-in."; 146 } 147 148 /// Default Constructor 149 PlatformRemoteAppleWatch::PlatformRemoteAppleWatch() 150 : PlatformRemoteDarwinDevice() {} 151 152 bool PlatformRemoteAppleWatch::GetSupportedArchitectureAtIndex(uint32_t idx, 153 ArchSpec &arch) { 154 ArchSpec system_arch(GetSystemArchitecture()); 155 156 const ArchSpec::Core system_core = system_arch.GetCore(); 157 switch (system_core) { 158 default: 159 switch (idx) { 160 case 0: 161 arch.SetTriple("arm64-apple-watchos"); 162 return true; 163 case 1: 164 arch.SetTriple("armv7k-apple-watchos"); 165 return true; 166 case 2: 167 arch.SetTriple("armv7s-apple-watchos"); 168 return true; 169 case 3: 170 arch.SetTriple("armv7-apple-watchos"); 171 return true; 172 case 4: 173 arch.SetTriple("thumbv7k-apple-watchos"); 174 return true; 175 case 5: 176 arch.SetTriple("thumbv7-apple-watchos"); 177 return true; 178 case 6: 179 arch.SetTriple("thumbv7s-apple-watchos"); 180 return true; 181 default: 182 break; 183 } 184 break; 185 186 case ArchSpec::eCore_arm_arm64: 187 switch (idx) { 188 case 0: 189 arch.SetTriple("arm64-apple-watchos"); 190 return true; 191 case 1: 192 arch.SetTriple("armv7k-apple-watchos"); 193 return true; 194 case 2: 195 arch.SetTriple("armv7s-apple-watchos"); 196 return true; 197 case 3: 198 arch.SetTriple("armv7-apple-watchos"); 199 return true; 200 case 4: 201 arch.SetTriple("thumbv7k-apple-watchos"); 202 return true; 203 case 5: 204 arch.SetTriple("thumbv7-apple-watchos"); 205 return true; 206 case 6: 207 arch.SetTriple("thumbv7s-apple-watchos"); 208 return true; 209 default: 210 break; 211 } 212 break; 213 214 case ArchSpec::eCore_arm_armv7k: 215 switch (idx) { 216 case 0: 217 arch.SetTriple("armv7k-apple-watchos"); 218 return true; 219 case 1: 220 arch.SetTriple("armv7s-apple-watchos"); 221 return true; 222 case 2: 223 arch.SetTriple("armv7-apple-watchos"); 224 return true; 225 case 3: 226 arch.SetTriple("thumbv7k-apple-watchos"); 227 return true; 228 case 4: 229 arch.SetTriple("thumbv7-apple-watchos"); 230 return true; 231 case 5: 232 arch.SetTriple("thumbv7s-apple-watchos"); 233 return true; 234 default: 235 break; 236 } 237 break; 238 239 case ArchSpec::eCore_arm_armv7s: 240 switch (idx) { 241 case 0: 242 arch.SetTriple("armv7s-apple-watchos"); 243 return true; 244 case 1: 245 arch.SetTriple("armv7k-apple-watchos"); 246 return true; 247 case 2: 248 arch.SetTriple("armv7-apple-watchos"); 249 return true; 250 case 3: 251 arch.SetTriple("thumbv7k-apple-watchos"); 252 return true; 253 case 4: 254 arch.SetTriple("thumbv7-apple-watchos"); 255 return true; 256 case 5: 257 arch.SetTriple("thumbv7s-apple-watchos"); 258 return true; 259 default: 260 break; 261 } 262 break; 263 264 case ArchSpec::eCore_arm_armv7: 265 switch (idx) { 266 case 0: 267 arch.SetTriple("armv7-apple-watchos"); 268 return true; 269 case 1: 270 arch.SetTriple("armv7k-apple-watchos"); 271 return true; 272 case 2: 273 arch.SetTriple("thumbv7k-apple-watchos"); 274 return true; 275 case 3: 276 arch.SetTriple("thumbv7-apple-watchos"); 277 return true; 278 default: 279 break; 280 } 281 break; 282 } 283 arch.Clear(); 284 return false; 285 } 286 287 void PlatformRemoteAppleWatch::GetDeviceSupportDirectoryNames (std::vector<std::string> &dirnames) 288 { 289 dirnames.clear(); 290 dirnames.push_back("watchOS DeviceSupport"); 291 } 292 293 std::string PlatformRemoteAppleWatch::GetPlatformName () 294 { 295 return "WatchOS.platform"; 296 } 297