int ExecuteManagedAssembly(
const char* currentExeAbsolutePath,
const char* clrFilesAbsolutePath,
const char* managedAssemblyAbsolutePath,
int managedAssemblyArgc,
const char** managedAssemblyArgv)
{
// Indicates failure
int exitCode = -1;
std::string coreClrDllPath(clrFilesAbsolutePath);
coreClrDllPath.append("/");
coreClrDllPath.append(coreClrDll);
if (coreClrDllPath.length() >= PATH_MAX)
{
fprintf(stderr, "Absolute path to libcoreclr.so too long\n");
return -1;
}
// Get just the path component of the managed assembly path
std::string appPath;
GetDirectory(managedAssemblyAbsolutePath, appPath);
// Construct native search directory paths
std::string nativeDllSearchDirs(appPath);
char *coreLibraries = getenv("CORE_LIBRARIES");
if (coreLibraries)
{
nativeDllSearchDirs.append(":");
nativeDllSearchDirs.append(coreLibraries);
}
nativeDllSearchDirs.append(":");
nativeDllSearchDirs.append(clrFilesAbsolutePath);
std::string tpaList;
AddFilesFromDirectoryToTpaList(clrFilesAbsolutePath, tpaList);
void* coreclrLib = dlopen(coreClrDllPath.c_str(), RTLD_NOW | RTLD_LOCAL);
if (coreclrLib != nullptr)
{
coreclr_initialize_ptr initializeCoreCLR = (coreclr_initialize_ptr)dlsym(coreclrLib, "coreclr_initialize");
coreclr_execute_assembly_ptr executeAssembly = (coreclr_execute_assembly_ptr)dlsym(coreclrLib, "coreclr_execute_assembly");
coreclr_shutdown_ptr shutdownCoreCLR = (coreclr_shutdown_ptr)dlsym(coreclrLib, "coreclr_shutdown");
if (initializeCoreCLR == nullptr)
{
fprintf(stderr, "Function coreclr_initialize not found in the libcoreclr.so\n");
}
else if (executeAssembly == nullptr)
{
fprintf(stderr, "Function coreclr_execute_assembly not found in the libcoreclr.so\n");
}
else if (shutdownCoreCLR == nullptr)
{
fprintf(stderr, "Function coreclr_shutdown not found in the libcoreclr.so\n");
}
else
{
// Check whether we are enabling server GC (off by default)
const char* useServerGc = std::getenv(serverGcVar);
if (useServerGc == nullptr)
{
useServerGc = "0";
}
// CoreCLR expects strings "true" and "false" instead of "1" and "0".
useServerGc = std::strcmp(useServerGc, "1") == 0 ? "true" : "false";
// Allowed property names:
// APPBASE
// - The base path of the application from which the exe and other assemblies will be loaded
//
// TRUSTED_PLATFORM_ASSEMBLIES
// - The list of complete paths to each of the fully trusted assemblies
//
// APP_PATHS
// - The list of paths which will be probed by the assembly loader
//
// APP_NI_PATHS
// - The list of additional paths that the assembly loader will probe for ngen images
//
// NATIVE_DLL_SEARCH_DIRECTORIES
// - The list of paths that will be probed for native DLLs called by PInvoke
//
const char *propertyKeys[] = {
"TRUSTED_PLATFORM_ASSEMBLIES",
"APP_PATHS",
"APP_NI_PATHS",
"NATIVE_DLL_SEARCH_DIRECTORIES",
"AppDomainCompatSwitch",
"System.GC.Server",
};
const char *propertyValues[] = {
// TRUSTED_PLATFORM_ASSEMBLIES
tpaList.c_str(),
// APP_PATHS
appPath.c_str(),
// APP_NI_PATHS
appPath.c_str(),
// NATIVE_DLL_SEARCH_DIRECTORIES
nativeDllSearchDirs.c_str(),
// AppDomainCompatSwitch
"UseLatestBehaviorWhenTFMNotSpecified",
// System.GC.Server
useServerGc,
};
void* hostHandle;
unsigned int domainId;
int st = initializeCoreCLR(
currentExeAbsolutePath,
"unixcorerun",
sizeof(propertyKeys) / sizeof(propertyKeys[0]),
propertyKeys,
propertyValues,
&hostHandle,
&domainId);
if (!SUCCEEDED(st))
{
fprintf(stderr, "coreclr_initialize failed - status: 0x%08x\n", st);
exitCode = -1;
}
else
{
st = executeAssembly(
hostHandle,
domainId,
managedAssemblyArgc,
managedAssemblyArgv,
managedAssemblyAbsolutePath,
(unsigned int*)&exitCode);
if (!SUCCEEDED(st))
{
fprintf(stderr, "coreclr_execute_assembly failed - status: 0x%08x\n", st);
exitCode = -1;
}
st = shutdownCoreCLR(hostHandle, domainId);
if (!SUCCEEDED(st))
{
fprintf(stderr, "coreclr_shutdown failed - status: 0x%08x\n", st);
exitCode = -1;
}
}
}
if (dlclose(coreclrLib) != 0)
{
fprintf(stderr, "Warning - dlclose failed\n");
}
}
else
{
char* error = dlerror();
fprintf(stderr, "dlopen failed to open the libcoreclr.so with error %s\n", error);
}
return exitCode;
}
int initializeCoreCLR(const char* exePath,
const char* appDomainFriendlyName,
int propertyCount,
const char* mergedPropertyKeys,
const char* mergedPropertyValues,
const char* managedAssemblyAbsolutePath,
const char* clrFilesAbsolutePath) {
printf("initializeCoreCLR()\n");
std::string coreClrDllPath(clrFilesAbsolutePath);
coreClrDllPath.append("/");
coreClrDllPath.append(coreClrDll);
if (coreClrDllPath.length() >= PATH_MAX)
{
fprintf(stderr, "Absolute path to libcoreclr.so too long\n");
}
std::string appPath;
if( managedAssemblyAbsolutePath[0] == '\0' ) {
printf("Expecting to run a standard .exe\n");
} else {
printf("Expecting to load an assembly and invoke arbitrary methods.\n");
GetDirectory(managedAssemblyAbsolutePath, appPath);
};
// Construct native search directory paths
std::string nativeDllSearchDirs(appPath);
char *coreLibraries = getenv("CORE_LIBRARIES");
if (coreLibraries)
{
nativeDllSearchDirs.append(":");
nativeDllSearchDirs.append(coreLibraries);
}
nativeDllSearchDirs.append(":");
nativeDllSearchDirs.append(clrFilesAbsolutePath);
std::string tpaList;
AddFilesFromDirectoryToTpaList(clrFilesAbsolutePath, tpaList);
coreclrLib = dlopen(coreClrDllPath.c_str(), RTLD_NOW | RTLD_LOCAL);
if (coreclrLib != nullptr)
{
initialize_core_clr = (coreclr_initialize_ptr)dlsym(coreclrLib, "coreclr_initialize");
execute_assembly = (coreclr_execute_assembly_ptr)dlsym(coreclrLib, "coreclr_execute_assembly");
shutdown_core_clr= (coreclr_shutdown_ptr)dlsym(coreclrLib, "coreclr_shutdown");
create_delegate = (coreclr_create_delegate_ptr)dlsym(coreclrLib, "coreclr_create_delegate");
if (initialize_core_clr == nullptr)
{
fprintf(stderr, "Function coreclr_initialize not found in the libcoreclr.so\n");
return -1;
}
else if (execute_assembly == nullptr)
{
fprintf(stderr, "Function coreclr_execute_assembly not found in the libcoreclr.so\n");
return -1;
}
else if (shutdown_core_clr == nullptr)
{
fprintf(stderr, "Function coreclr_shutdown not found in the libcoreclr.so\n");
return -1;
} else {
if(useServerGc == NULL) {
std::getenv(serverGcVar);
if (useServerGc == nullptr) {
useServerGc = "0";
}
}
useServerGc = std::strcmp(useServerGc, "1") == 0 ? "true" : "false";
char *keys[propertyCount];
char *values[propertyCount];
parseValues(mergedPropertyKeys, keys, propertyCount);
parseValues(mergedPropertyValues, values, propertyCount);
int st = initialize_core_clr(
exePath,
appDomainFriendlyName,
propertyCount,
(const char**)keys,
(const char**)values,
&hostHandle,
&domainId);
if (SUCCEEDED(st)) {
printf("coreclr_initialize ok\n");
} else {
fprintf(stderr, "coreclr_initialize failed - status: 0x%08x\n", st);
};
}
}
return 0;
}
int ExecuteManagedAssembly(
const char* currentExeAbsolutePath,
const char* clrFilesAbsolutePath,
const char* managedAssemblyAbsolutePath,
int managedAssemblyArgc,
const char** managedAssemblyArgv)
{
// Indicates failure
int exitCode = -1;
std::string coreClrDllPath(clrFilesAbsolutePath);
coreClrDllPath.append("/");
coreClrDllPath.append(coreClrDll);
if (coreClrDllPath.length() >= PATH_MAX)
{
fprintf(stderr, "Absolute path to libcoreclr.so too long\n");
return -1;
}
// Get just the path component of the managed assembly path
std::string appPath;
GetDirectory(managedAssemblyAbsolutePath, appPath);
std::string nativeDllSearchDirs(appPath);
nativeDllSearchDirs.append(":");
nativeDllSearchDirs.append(clrFilesAbsolutePath);
std::string tpaList;
AddFilesFromDirectoryToTpaList(clrFilesAbsolutePath, tpaList);
void* coreclrLib = dlopen(coreClrDllPath.c_str(), RTLD_NOW | RTLD_LOCAL);
if (coreclrLib != nullptr)
{
ExecuteAssemblyFunction executeAssembly = (ExecuteAssemblyFunction)dlsym(coreclrLib, "ExecuteAssembly");
if (executeAssembly != nullptr)
{
// Allowed property names:
// APPBASE
// - The base path of the application from which the exe and other assemblies will be loaded
//
// TRUSTED_PLATFORM_ASSEMBLIES
// - The list of complete paths to each of the fully trusted assemblies
//
// APP_PATHS
// - The list of paths which will be probed by the assembly loader
//
// APP_NI_PATHS
// - The list of additional paths that the assembly loader will probe for ngen images
//
// NATIVE_DLL_SEARCH_DIRECTORIES
// - The list of paths that will be probed for native DLLs called by PInvoke
//
const char *propertyKeys[] = {
"TRUSTED_PLATFORM_ASSEMBLIES",
"APP_PATHS",
"APP_NI_PATHS",
"NATIVE_DLL_SEARCH_DIRECTORIES",
"AppDomainCompatSwitch"
};
const char *propertyValues[] = {
// TRUSTED_PLATFORM_ASSEMBLIES
tpaList.c_str(),
// APP_PATHS
appPath.c_str(),
// APP_NI_PATHS
appPath.c_str(),
// NATIVE_DLL_SEARCH_DIRECTORIES
nativeDllSearchDirs.c_str(),
// AppDomainCompatSwitch
"UseLatestBehaviorWhenTFMNotSpecified"
};
HRESULT st = executeAssembly(
currentExeAbsolutePath,
coreClrDllPath.c_str(),
"unixcorerun",
sizeof(propertyKeys) / sizeof(propertyKeys[0]),
propertyKeys,
propertyValues,
managedAssemblyArgc,
managedAssemblyArgv,
managedAssemblyAbsolutePath,
NULL,
NULL,
NULL,
(DWORD*)&exitCode);
if (!SUCCEEDED(st))
{
fprintf(stderr, "ExecuteAssembly failed - status: 0x%08x\n", st);
exitCode = -1;
}
}
else
{
fprintf(stderr, "Function ExecuteAssembly not found in the libcoreclr.so\n");
}
if (dlclose(coreclrLib) != 0)
{
fprintf(stderr, "Warning - dlclose failed\n");
}
}
else
{
char* error = dlerror();
fprintf(stderr, "dlopen failed to open the libcoreclr.so with error %s\n", error);
}
return exitCode;
}