NativeLauncher/launcher/exec/corerun.cc

   1 /*
   2  * Copyright (c) 2020 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 #include <dlfcn.h>
  18 #include <string>
  19 #include "coreclr_host.h"
  20 #include "log.h"
  21 #include "utils.h"
  22
  23 static const char* CLR_PATH = "/usr/share/dotnet.tizen/netcoreapp";
  24 static const char* TOOL_PATH = "/home/owner/share/.dotnet/tools";
  25
  26 void DisplayUsage() {
  27         _SOUT(
  28                 "Execute a .NET application or command.\n\n"
  29                 "Usage: dotnet [options] [path-to-executable] [arguments]\n"
  30                 "Usage: dotnet [command] [arguments]\n\n"
  31                 "Options:\n"
  32                 "-h, --help                         show this help message\n"
  33                 "--clr-path <path>                  path to libcoreclr.so and runtime assemblies\n"
  34                 "--tool-path <path>                 path to the tool installation directory\n"
  35                 "--additionalprobingpath <path>     path containing assemblies to probe for\n"
  36                 "--globalizationinvariant           run in globalization invariant mode\n\n"
  37                 "Commands:\n"
  38                 "counters       monitor or collect performance counters\n"
  39                 "dump           capture or analyze a coredump\n"
  40                 "gcdump         capture a heapdump\n"
  41                 "trace          collect or convert a diagnostic event trace\n"
  42                 "stack          reports the managed stacks\n");
  43 }
  44
  45 int main(int argc, const char* argv[]) {
  46 #ifdef __arm__
  47         // libunwind library is used to unwind stack frame, but libunwind for ARM
  48         // does not support ARM vfpv3/NEON registers in DWARF format correctly.
  49         // Therefore let's disable stack unwinding using DWARF information
  50         // See https://github.com/dotnet/runtime/issues/6479
  51         //
  52         // libunwind use following methods to unwind stack frame.
  53         // UNW_ARM_METHOD_ALL          0xFF
  54         // UNW_ARM_METHOD_DWARF        0x01
  55         // UNW_ARM_METHOD_FRAME        0x02
  56         // UNW_ARM_METHOD_EXIDX        0x04
  57         putenv(const_cast<char*>("UNW_ARM_UNWIND_METHOD=6"));
  58 #endif // __arm__
  59
  60         argv++;
  61         argc--;
  62
  63         if (argc <= 0) {
  64                 DisplayUsage();
  65                 return -1;
  66         }
  67
  68         std::string clrFilesPath(CLR_PATH);
  69         std::string toolDllsPath(TOOL_PATH);
  70
  71         std::string managedAssemblyPath;
  72         std::string additionalProbingPath;
  73         bool globalizationInvariant = false;
  74
  75         while (argc > 0) {
  76                 std::string arg(argv[0]);
  77
  78                 if (arg == "-?" || arg == "-h" || arg == "--help") {
  79                         DisplayUsage();
  80                         return 0;
  81                 } else if (arg == "--clr-path" && argc > 1) {
  82                         clrFilesPath = argv[1];
  83                         argc--;
  84                         argv++;
  85                 } else if (arg == "--tool-path" && argc > 1) {
  86                         toolDllsPath = argv[1];
  87                         argc--;
  88                         argv++;
  89                 } else if (arg == "--additionalprobingpath" && argc > 1) {
  90                         additionalProbingPath = getAbsolutePath(argv[1]);
  91                         argc--;
  92                         argv++;
  93                 } else if (arg == "--globalizationinvariant") {
  94                         globalizationInvariant = true;
  95                 } else if ((arg == "--runtimeconfig" || arg == "--depsfile") && argc > 1) {
  96                         // Just for compatibility with corefx tests.
  97                         // See ParseArguments() in coreclr/hosts/unixcorerun/corerun.cpp.
  98                         argc--;
  99                         argv++;
 100                 } else if (arg.at(0) == '-') {
 101                         _SERR("Unknown option %s.", argv[0]);
 102                         DisplayUsage();
 103                         return -1;
 104                 } else if (isManagedAssembly(arg) || isNativeImage(arg)) {
 105                         if (!isFile(arg)) {
 106                                 _SERR("The specified file does not exist.");
 107                                 return -1;
 108                         }
 109                         managedAssemblyPath = arg;
 110                         argc--;
 111                         argv++;
 112                         break;
 113                 } else if (arg == "exec") {
 114                         // 'dotnet' and 'dotnet exec' can be alternatively used.
 115                 } else if (arg == "tool") {
 116                         _SERR("This command is not currently supported.");
 117                         return -1;
 118                 } else {
 119                         managedAssemblyPath = toolDllsPath + "/dotnet-" + arg + ".dll";
 120
 121                         if (!isFile(managedAssemblyPath)) {
 122                                 _SERR(
 123                                         "Could not execute because dotnet-%s does not exist.\n"
 124                                         "Go to https://developer.samsung.com/tizen to learn how to install tools.\n", argv[0]);
 125                                 return -1;
 126                         }
 127
 128                         // Implicit compatibility mode for System.CommandLine.
 129                         std::string termValue(getenv("TERM"));
 130                         if (termValue == "linux") {
 131                                 setenv("TERM", "xterm", 1);
 132                         }
 133
 134                         argc--;
 135                         argv++;
 136                         break;
 137                 }
 138
 139                 argc--;
 140                 argv++;
 141         }
 142
 143         std::string currentExeAbsolutePath = getAbsolutePath("/proc/self/exe");
 144         if (currentExeAbsolutePath.empty()) {
 145                 _SERR("Failed to get the current executable's absolute path.");
 146                 return -1;
 147         }
 148
 149         std::string clrFilesAbsolutePath = getAbsolutePath(clrFilesPath);
 150         if (clrFilesAbsolutePath.empty()) {
 151                 _SERR("Failed to resolve the full path to the CLR files.");
 152                 return -1;
 153         }
 154
 155         std::string managedAssemblyAbsolutePath = getAbsolutePath(managedAssemblyPath);
 156         if (managedAssemblyAbsolutePath.empty()) {
 157                 _SERR("Failed to get the managed assembly's absolute path.");
 158                 return -1;
 159         }
 160
 161         std::string coreclrLibPath(clrFilesAbsolutePath + "/libcoreclr.so");
 162         std::string appPath = getBaseName(managedAssemblyAbsolutePath);
 163         std::string nativeDllSearchDirs(appPath);
 164         nativeDllSearchDirs += ":" + additionalProbingPath;
 165         nativeDllSearchDirs += ":" + clrFilesAbsolutePath;
 166
 167         std::string tpaList(managedAssemblyAbsolutePath);
 168         // For now we don't parse .deps.json file but let application DLLs can override runtime DLLs.
 169         std::vector<std::string> tpaDirs = { appPath, additionalProbingPath, clrFilesAbsolutePath };
 170         addAssembliesFromDirectories(tpaDirs, tpaList);
 171
 172         void* coreclrLib = dlopen(coreclrLibPath.c_str(), RTLD_NOW | RTLD_LOCAL);
 173         if (coreclrLib == nullptr) {
 174                 const char* error = dlerror();
 175                 _SERR("dlopen failed to open the libcoreclr.so with error %s", error);
 176                 return -1;
 177         }
 178
 179         coreclr_initialize_ptr initializeCoreCLR = (coreclr_initialize_ptr)dlsym(coreclrLib, "coreclr_initialize");
 180         coreclr_execute_assembly_ptr executeAssembly = (coreclr_execute_assembly_ptr)dlsym(coreclrLib, "coreclr_execute_assembly");
 181         coreclr_shutdown_ptr shutdownCoreCLR = (coreclr_shutdown_ptr)dlsym(coreclrLib, "coreclr_shutdown");
 182
 183         if (initializeCoreCLR == nullptr) {
 184                 _SERR("Function coreclr_initialize not found in the libcoreclr.so");
 185                 return -1;
 186         } else if (executeAssembly == nullptr) {
 187                 _SERR("Function coreclr_execute_assembly not found in the libcoreclr.so");
 188                 return -1;
 189         } else if (shutdownCoreCLR == nullptr) {
 190                 _SERR("Function coreclr_shutdown not found in the libcoreclr.so");
 191                 return -1;
 192         }
 193
 194         const char* propertyKeys[] = {
 195                 "TRUSTED_PLATFORM_ASSEMBLIES",
 196                 "APP_PATHS",
 197                 "APP_NI_PATHS",
 198                 "NATIVE_DLL_SEARCH_DIRECTORIES",
 199                 "System.Globalization.Invariant",
 200         };
 201         const char* propertyValues[] = {
 202                 tpaList.c_str(),
 203                 appPath.c_str(),
 204                 appPath.c_str(),
 205                 nativeDllSearchDirs.c_str(),
 206                 globalizationInvariant ? "true" : "false",
 207         };
 208
 209         void* hostHandle;
 210         unsigned int domainId;
 211
 212         int st = initializeCoreCLR(
 213                 currentExeAbsolutePath.c_str(),
 214                 "dotnet",
 215                 sizeof(propertyKeys) / sizeof(propertyKeys[0]),
 216                 propertyKeys,
 217                 propertyValues,
 218                 &hostHandle,
 219                 &domainId);
 220
 221         if (st < 0) {
 222                 _SERR("coreclr_initialize failed - status: 0x%08x", st);
 223                 return -1;
 224         }
 225
 226         // Set the current process's command name.
 227         std::string managedAssemblyName = getFileName(managedAssemblyAbsolutePath);
 228         setCmdName(managedAssemblyName);
 229
 230         int exitCode = -1;
 231
 232         st = executeAssembly(
 233                 hostHandle,
 234                 domainId,
 235                 argc,
 236                 argv,
 237                 managedAssemblyAbsolutePath.c_str(),
 238                 (unsigned int*)&exitCode);
 239
 240         if (st < 0) {
 241                 _SERR("coreclr_execute_assembly failed - status: 0x%08x", st);
 242                 exitCode = -1;
 243         }
 244
 245         st = shutdownCoreCLR(hostHandle, domainId);
 246         if (st < 0) {
 247                 _SERR("coreclr_shutdown failed - status: 0x%08x", st);
 248                 return -1;
 249         }
 250
 251         return exitCode;
 252 }