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
  37 #define PLUGIN_PATH "/usr/share/dotnet.tizen/lib/libdotnet_plugin.so"
  38
  39 namespace tizen {
  40 namespace runtime {
  41 namespace dotnetcore {
  42
  43 #if defined (__aarch64__)
  44 #define ARCHITECTURE_IDENTIFIER "arm64"
  45 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  46         {"linux-arm64", "linux", "unix-arm64", "unix", "any", "base"};
  47
  48 #elif defined (__arm__)
  49 #define ARCHITECTURE_IDENTIFIER "arm"
  50 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  51         {"tizen.4.0.0-armel", "tizen.4.0.0", "tizen-armel", "tizen", "linux-armel", "linux", "unix-armel", "unix", "any", "base"};
  52
  53 #elif defined (__x86_64__)
  54 #define ARCHITECTURE_IDENTIFIER "x64"
  55 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  56         {"linux-x64", "linux", "unix-x64", "unix", "any", "base"};
  57
  58 #elif defined (__i386__)
  59 #define ARCHITECTURE_IDENTIFIER "x86"
  60 const static std::vector<std::string> RID_FALLBACK_GRAPH =
  61         {"linux-x86", "linux", "unix-x86", "unix", "any", "base"};
  62
  63 #else
  64 #error "Unknown target"
  65 #endif
  66
  67 static std::string getExtraNativeLibDirs(const std::string& appRoot)
  68 {
  69         std::string candidate;
  70         for (unsigned int i = 0; i < RID_FALLBACK_GRAPH.size(); i++) {
  71                 if(!candidate.empty()) {
  72                         candidate += ":";
  73                 }
  74                 candidate += concatPath(appRoot, "bin/runtimes/" + RID_FALLBACK_GRAPH[i] + "/native");
  75         }
  76
  77         candidate = candidate + ":" + concatPath(appRoot, "lib/" ARCHITECTURE_IDENTIFIER);
  78         if (!strncmp(ARCHITECTURE_IDENTIFIER, "arm64", 5)) {
  79                 candidate = candidate + ":" + concatPath(appRoot, "lib/aarch64");
  80         }
  81
  82         return candidate;
  83 }
  84
  85 CoreRuntime::CoreRuntime(const char* mode) :
  86         initializeClr(nullptr),
  87         executeAssembly(nullptr),
  88         shutdown(nullptr),
  89         createDelegate(nullptr),
  90         __coreclrLib(nullptr),
  91         __hostHandle(nullptr),
  92         __domainId(-1),
  93         fd(0),
  94         __mode(mode)
  95 {
  96         _DBG("Constructor called!!");
  97
  98         if (runLoggingThread() < 0) {
  99                 _ERR("Failed to create logging thread");
 100         }
 101 }
 102
 103 CoreRuntime::~CoreRuntime()
 104 {
 105         dispose();
 106 }
 107
 108 int CoreRuntime::initialize(bool standalone)
 109 {
 110 #define __XSTR(x) #x
 111 #define __STR(x) __XSTR(x)
 112
 113 #ifdef NATIVE_LIB_DIR
 114         __nativeLibDirectory = __STR(NATIVE_LIB_DIR);
 115 #endif
 116
 117 #undef __STR
 118 #undef __XSTR
 119
 120 #ifdef __arm__
 121         // libunwind library is used to unwind stack frame, but libunwind for ARM
 122         // does not support ARM vfpv3/NEON registers in DWARF format correctly.
 123         // Therefore let's disable stack unwinding using DWARF information
 124         // See https://github.com/dotnet/coreclr/issues/6698
 125         //
 126         // libunwind use following methods to unwind stack frame.
 127         // UNW_ARM_METHOD_ALL          0xFF
 128         // UNW_ARM_METHOD_DWARF        0x01
 129         // UNW_ARM_METHOD_FRAME        0x02
 130         // UNW_ARM_METHOD_EXIDX        0x04
 131         putenv(const_cast<char *>("UNW_ARM_UNWIND_METHOD=6"));
 132 #endif // __arm__
 133
 134         if (initializePluginManager(__mode) < 0) {
 135                 _ERR("Failed to initialize PluginManager");
 136                 return -1;
 137         }
 138
 139         if (initializePathManager(std::string(), std::string(), std::string()) < 0) {
 140                 _ERR("Failed to initialize PathManager");
 141                 return -1;
 142         }
 143
 144         std::string libCoreclr(concatPath(getRuntimeDir(), "libcoreclr.so"));
 145
 146         __coreclrLib = dlopen(libCoreclr.c_str(), RTLD_NOW | RTLD_LOCAL);
 147         if (__coreclrLib == nullptr) {
 148                 char *err = dlerror();
 149                 _ERR("dlopen failed to open libcoreclr.so with error %s", err);
 150                 return -1;
 151         }
 152
 153 #define CORELIB_RETURN_IF_NOSYM(type, variable, name) \
 154         do { \
 155                 variable = (type)dlsym(__coreclrLib, name); \
 156                 if (variable == nullptr) { \
 157                         _ERR(name " is not found in the libcoreclr.so"); \
 158                         return -1; \
 159                 } \
 160         } while (0)
 161
 162         CORELIB_RETURN_IF_NOSYM(coreclr_initialize_ptr, initializeClr, "coreclr_initialize");
 163         CORELIB_RETURN_IF_NOSYM(coreclr_execute_assembly_ptr, executeAssembly, "coreclr_execute_assembly");
 164         CORELIB_RETURN_IF_NOSYM(coreclr_shutdown_ptr, shutdown, "coreclr_shutdown");
 165         CORELIB_RETURN_IF_NOSYM(coreclr_create_delegate_ptr, createDelegate, "coreclr_create_delegate");
 166
 167 #undef CORELIB_RETURN_IF_NOSYM
 168
 169         _DBG("libcoreclr dlopen and dlsym success");
 170
 171         if (!standalone)
 172                 pluginPreload();
 173
 174         fd = open("/proc/self", O_DIRECTORY);
 175         std::string appRoot = std::string("/proc/self/fd/") + std::to_string(fd);
 176         std::string appBin = concatPath(appRoot, "bin");
 177         std::string appLib = concatPath(appRoot, "lib");
 178         std::string probePath = appBin + ":" + appLib;
 179         std::string tpa = getTPA();
 180         std::string nativeLibPath = getExtraNativeLibDirs(appRoot) + ":" + appBin + ":" + appLib + ":" + __nativeLibDirectory;
 181         std::string appName = std::string("dotnet-launcher-") + std::to_string(getpid());
 182
 183         if (!initializeCoreClr(appName.c_str(), probePath.c_str(), nativeLibPath.c_str(), tpa.c_str())) {
 184                 _ERR("Failed to initialize coreclr");
 185                 return -1;
 186         }
 187
 188         return 0;
 189 }
 190
 191 bool CoreRuntime::initializeCoreClr(const char* appId,
 192                                                                          const char* assemblyProbePaths,
 193                                                                          const char* pinvokeProbePaths,
 194                                                                          const char* tpaList)
 195 {
 196         const char *propertyKeys[] = {
 197                 "TRUSTED_PLATFORM_ASSEMBLIES",
 198                 "APP_PATHS",
 199                 "APP_NI_PATHS",
 200                 "NATIVE_DLL_SEARCH_DIRECTORIES",
 201                 "AppDomainCompatSwitch"
 202         };
 203
 204         const char *propertyValues[] = {
 205                 tpaList,
 206                 assemblyProbePaths,
 207                 assemblyProbePaths,
 208                 pinvokeProbePaths,
 209                 "UseLatestBehaviorWhenTFMNotSpecified"
 210         };
 211
 212         std::string selfPath = readSelfPath();
 213
 214         int st = initializeClr(selfPath.c_str(),
 215                                                         appId,
 216                                                         sizeof(propertyKeys) / sizeof(propertyKeys[0]),
 217                                                         propertyKeys,
 218                                                         propertyValues,
 219                                                         &__hostHandle,
 220                                                         &__domainId);
 221
 222         if (st < 0) {
 223                 _ERR("initialize core clr fail! (0x%08x)", st);
 224                 return false;
 225         }
 226
 227         pluginSetCoreclrInfo(__hostHandle, __domainId, createDelegate);
 228
 229         _DBG("Initialize core clr success");
 230         return true;
 231 }
 232
 233 void CoreRuntime::dispose()
 234 {
 235         if (__hostHandle != nullptr) {
 236                 int st = shutdown(__hostHandle, __domainId);
 237                 if (st < 0)
 238                         _ERR("shutdown core clr fail! (0x%08x)", st);
 239                 __hostHandle = nullptr;
 240         }
 241
 242         if (__coreclrLib != nullptr) {
 243                 if (dlclose(__coreclrLib) != 0) {
 244                         _ERR("libcoreclr.so close failed");
 245                 }
 246
 247                 __coreclrLib = nullptr;
 248         }
 249
 250         finalizePluginManager();
 251         finalizePathManager();
 252
 253         _DBG("Dotnet runtime disposed");
 254 }
 255
 256 int CoreRuntime::launch(const char* appId, const char* root, const char* path, int argc, char* argv[])
 257 {
 258         if (path == nullptr) {
 259                 _ERR("executable path is null");
 260                 return -11;
 261         }
 262
 263         if (!isFileExist(path)) {
 264                 _ERR("File not exist : %s", path);
 265                 return -1;
 266         }
 267
 268         pluginSetAppInfo(appId, path);
 269
 270         int fd2 = open(root, O_DIRECTORY);
 271         dup3(fd2, fd, O_CLOEXEC);
 272         if (fd2 >= 0)
 273                 close(fd2);
 274
 275         pluginBeforeExecute();
 276
 277         unsigned int ret = 0;
 278         int st = executeAssembly(__hostHandle, __domainId, argc, (const char**)argv, path, &ret);
 279         if (st < 0)
 280                 _ERR("Failed to Execute Assembly %s (0x%08x)", path, st);
 281         return ret;
 282 }
 283
 284 }  // namespace dotnetcore
 285 }  // namespace runtime
 286 }  // namespace tizen