NativeLauncher/launcher/dotnet/dotnet_launcher.cc

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17
  18 #include <dlfcn.h>
  19
  20 #include <string>
  21 #include <fstream>
  22 #include <vector>
  23
  24 #include <fcntl.h>
  25 #include <sys/stat.h>
  26 #include <sys/types.h>
  27 #include <sys/wait.h>
  28 #include <unistd.h>
  29
  30 #include "utils.h"
  31 #include "log.h"
  32 #include "launcher.h"
  33 #include "dotnet_launcher.h"
  34 #include "plugin_manager.h"
  35 #include "path_manager.h"
  36 #include "log_manager.h"
  37
  38 #define PLUGIN_PATH "/usr/share/dotnet.tizen/lib/libdotnet_plugin.so"
  39
  40 namespace tizen {
  41 namespace runtime {
  42 namespace dotnetcore {
  43
  44 #if defined (__aarch64__)
  45 #define ARCHITECTURE_IDENTIFIER "arm64"
  46 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  47         {"linux-arm64", "linux", "unix-arm64", "unix", "any", "base"};
  48
  49 #elif defined (__arm__)
  50 #define ARCHITECTURE_IDENTIFIER "arm"
  51 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  52         {"tizen.4.0.0-armel", "tizen.4.0.0", "tizen-armel", "tizen", "linux-armel", "linux", "unix-armel", "unix", "any", "base"};
  53
  54 #elif defined (__x86_64__)
  55 #define ARCHITECTURE_IDENTIFIER "x64"
  56 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  57         {"linux-x64", "linux", "unix-x64", "unix", "any", "base"};
  58
  59 #elif defined (__i386__)
  60 #define ARCHITECTURE_IDENTIFIER "x86"
  61 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  62         {"linux-x86", "linux", "unix-x86", "unix", "any", "base"};
  63
  64 #else
  65 #error "Unknown target"
  66 #endif
  67
  68 static std::string getExtraNativeLibDirs(const std::string& appRoot)
  69 {
  70         std::string candidate;
  71         for (unsigned int i = 0; i < RID_FALLBACK_GRAPH.size(); i++) {
  72                 if(!candidate.empty()) {
  73                         candidate += ":";
  74                 }
  75                 candidate += concatPath(appRoot, "bin/runtimes/" + RID_FALLBACK_GRAPH[i] + "/native");
  76         }
  77
  78         candidate = candidate + ":" + concatPath(appRoot, "lib/" ARCHITECTURE_IDENTIFIER);
  79         if (!strncmp(ARCHITECTURE_IDENTIFIER, "arm64", 5)) {
  80                 candidate = candidate + ":" + concatPath(appRoot, "lib/aarch64");
  81         }
  82
  83         return candidate;
  84 }
  85
  86 CoreRuntime::CoreRuntime(const char* mode) :
  87         initializeClr(nullptr),
  88         executeAssembly(nullptr),
  89         shutdown(nullptr),
  90         createDelegate(nullptr),
  91         __coreclrLib(nullptr),
  92         __hostHandle(nullptr),
  93         __domainId(-1),
  94         fd(0),
  95         __mode(mode),
  96         __initialized(false)
  97 {
  98         _DBG("Constructor called!!");
  99 }
 100
 101 CoreRuntime::~CoreRuntime()
 102 {
 103         dispose();
 104 }
 105
 106 int CoreRuntime::initialize(bool standalone)
 107 {
 108 #define __XSTR(x) #x
 109 #define __STR(x) __XSTR(x)
 110
 111 #ifdef NATIVE_LIB_DIR
 112         __nativeLibDirectory = __STR(NATIVE_LIB_DIR);
 113 #endif
 114
 115 #undef __STR
 116 #undef __XSTR
 117
 118 #ifdef __arm__
 119         // libunwind library is used to unwind stack frame, but libunwind for ARM
 120         // does not support ARM vfpv3/NEON registers in DWARF format correctly.
 121         // Therefore let's disable stack unwinding using DWARF information
 122         // See https://github.com/dotnet/coreclr/issues/6698
 123         //
 124         // libunwind use following methods to unwind stack frame.
 125         // UNW_ARM_METHOD_ALL          0xFF
 126         // UNW_ARM_METHOD_DWARF        0x01
 127         // UNW_ARM_METHOD_FRAME        0x02
 128         // UNW_ARM_METHOD_EXIDX        0x04
 129         putenv(const_cast<char *>("UNW_ARM_UNWIND_METHOD=6"));
 130 #endif // __arm__
 131
 132         if (initializePluginManager(__mode) < 0) {
 133                 _ERR("Failed to initialize PluginManager");
 134                 return -1;
 135         }
 136
 137         if (initializePathManager(std::string(), std::string(), std::string()) < 0) {
 138                 _ERR("Failed to initialize PathManager");
 139                 return -1;
 140         }
 141
 142         if (initializeLogManager() < 0) {
 143                 _ERR("Failed to initnialize LogManager");
 144                 return -1;
 145         }
 146
 147         if (redirectFD() < 0) {
 148                 _ERR("Failed to redirect FD");
 149                 return -1;
 150         }
 151
 152         if (runLoggingThread() < 0) {
 153                 _ERR("Failed to create and run logging thread to redicrect log");
 154                 return -1;
 155         }
 156
 157         std::string libCoreclr(concatPath(getRuntimeDir(), "libcoreclr.so"));
 158
 159         __coreclrLib = dlopen(libCoreclr.c_str(), RTLD_NOW | RTLD_LOCAL);
 160         if (__coreclrLib == nullptr) {
 161                 char *err = dlerror();
 162                 _ERR("dlopen failed to open libcoreclr.so with error %s", err);
 163                 return -1;
 164         }
 165
 166 #define CORELIB_RETURN_IF_NOSYM(type, variable, name) \
 167         do { \
 168                 variable = (type)dlsym(__coreclrLib, name); \
 169                 if (variable == nullptr) { \
 170                         _ERR(name " is not found in the libcoreclr.so"); \
 171                         return -1; \
 172                 } \
 173         } while (0)
 174
 175         CORELIB_RETURN_IF_NOSYM(coreclr_initialize_ptr, initializeClr, "coreclr_initialize");
 176         CORELIB_RETURN_IF_NOSYM(coreclr_execute_assembly_ptr, executeAssembly, "coreclr_execute_assembly");
 177         CORELIB_RETURN_IF_NOSYM(coreclr_shutdown_ptr, shutdown, "coreclr_shutdown");
 178         CORELIB_RETURN_IF_NOSYM(coreclr_create_delegate_ptr, createDelegate, "coreclr_create_delegate");
 179
 180 #undef CORELIB_RETURN_IF_NOSYM
 181
 182         _DBG("libcoreclr dlopen and dlsym success");
 183
 184         if (!standalone)
 185                 pluginPreload();
 186
 187         fd = open("/proc/self", O_DIRECTORY);
 188         std::string appRoot = std::string("/proc/self/fd/") + std::to_string(fd);
 189         std::string appBin = concatPath(appRoot, "bin");
 190         std::string appLib = concatPath(appRoot, "lib");
 191         std::string probePath = appBin + ":" + appLib;
 192         std::string tpa = getTPA();
 193         std::string nativeLibPath = getExtraNativeLibDirs(appRoot) + ":" + appBin + ":" + appLib + ":" + __nativeLibDirectory;
 194         std::string appName = std::string("dotnet-launcher-") + std::to_string(getpid());
 195
 196         if (!initializeCoreClr(appName.c_str(), probePath.c_str(), nativeLibPath.c_str(), tpa.c_str())) {
 197                 _ERR("Failed to initialize coreclr");
 198                 return -1;
 199         }
 200
 201         __initialized = true;
 202
 203         return 0;
 204 }
 205
 206 bool CoreRuntime::initializeCoreClr(const char* appId,
 207                                                                          const char* assemblyProbePaths,
 208                                                                          const char* pinvokeProbePaths,
 209                                                                          const char* tpaList)
 210 {
 211         const char *propertyKeys[] = {
 212                 "TRUSTED_PLATFORM_ASSEMBLIES",
 213                 "APP_PATHS",
 214                 "APP_NI_PATHS",
 215                 "NATIVE_DLL_SEARCH_DIRECTORIES",
 216                 "AppDomainCompatSwitch"
 217         };
 218
 219         const char *propertyValues[] = {
 220                 tpaList,
 221                 assemblyProbePaths,
 222                 assemblyProbePaths,
 223                 pinvokeProbePaths,
 224                 "UseLatestBehaviorWhenTFMNotSpecified"
 225         };
 226
 227         std::string selfPath = readSelfPath();
 228
 229         int st = initializeClr(selfPath.c_str(),
 230                                                         appId,
 231                                                         sizeof(propertyKeys) / sizeof(propertyKeys[0]),
 232                                                         propertyKeys,
 233                                                         propertyValues,
 234                                                         &__hostHandle,
 235                                                         &__domainId);
 236
 237         if (st < 0) {
 238                 _ERR("initialize core clr fail! (0x%08x)", st);
 239                 return false;
 240         }
 241
 242         pluginSetCoreclrInfo(__hostHandle, __domainId, createDelegate);
 243
 244         _DBG("Initialize core clr success");
 245         return true;
 246 }
 247
 248 void CoreRuntime::dispose()
 249 {
 250         if (__hostHandle != nullptr) {
 251                 int st = shutdown(__hostHandle, __domainId);
 252                 if (st < 0)
 253                         _ERR("shutdown core clr fail! (0x%08x)", st);
 254                 __hostHandle = nullptr;
 255         }
 256
 257         if (__coreclrLib != nullptr) {
 258                 if (dlclose(__coreclrLib) != 0) {
 259                         _ERR("libcoreclr.so close failed");
 260                 }
 261
 262                 __coreclrLib = nullptr;
 263         }
 264
 265         finalizePluginManager();
 266         finalizePathManager();
 267
 268         _DBG("Dotnet runtime disposed");
 269 }
 270
 271 int CoreRuntime::launch(const char* appId, const char* root, const char* path, int argc, char* argv[])
 272 {
 273         if (!__initialized) {
 274                 _ERR("Runtime is not initialized");
 275                 return -1;
 276         }
 277
 278         if (path == nullptr) {
 279                 _ERR("executable path is null");
 280                 return -1;
 281         }
 282
 283         if (!isFileExist(path)) {
 284                 _ERR("File not exist : %s", path);
 285                 return -1;
 286         }
 287
 288         // launchpad override stdout and stderr to journalctl before launch application.
 289         // we have to re-override that to input pipe for logging thread.
 290         if (redirectFD() < 0) {
 291                 _ERR("Failed to redirect FD");
 292                 return -1;
 293         }
 294
 295         pluginSetAppInfo(appId, path);
 296
 297         int fd2 = open(root, O_DIRECTORY);
 298         dup3(fd2, fd, O_CLOEXEC);
 299         if (fd2 >= 0)
 300                 close(fd2);
 301
 302         pluginBeforeExecute();
 303
 304         unsigned int ret = 0;
 305         int st = executeAssembly(__hostHandle, __domainId, argc, (const char**)argv, path, &ret);
 306         if (st < 0)
 307                 _ERR("Failed to Execute Assembly %s (0x%08x)", path, st);
 308         return ret;
 309 }
 310
 311 }  // namespace dotnetcore
 312 }  // namespace runtime
 313 }  // namespace tizen