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