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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//*****************************************************************************
// unixinterface.cpp
//
// Implementation for the interface exposed by libcoreclr.so
//
//*****************************************************************************
#include "stdafx.h"
#include <utilcode.h>
#include <corhost.h>
#include <configuration.h>
#ifdef FEATURE_GDBJIT
#include "../../vm/gdbjithelpers.h"
#endif // FEATURE_GDBJIT
typedef int (STDMETHODCALLTYPE *HostMain)(
const int argc,
const wchar_t** argv
);
#define ASSERTE_ALL_BUILDS(expr) _ASSERTE_ALL_BUILDS(__FILE__, (expr))
// Holder for const wide strings
typedef NewArrayHolder<const WCHAR> ConstWStringHolder;
// Holder for array of wide strings
class ConstWStringArrayHolder : public NewArrayHolder<LPCWSTR>
{
int m_cElements;
public:
ConstWStringArrayHolder() :
NewArrayHolder<LPCWSTR>(),
m_cElements(0)
{
}
void Set(LPCWSTR* value, int cElements)
{
NewArrayHolder<LPCWSTR>::operator=(value);
m_cElements = cElements;
}
~ConstWStringArrayHolder()
{
for (int i = 0; i < m_cElements; i++)
{
delete [] this->m_value[i];
}
}
};
// Convert 8 bit string to unicode
static LPCWSTR StringToUnicode(LPCSTR str)
{
int length = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
ASSERTE_ALL_BUILDS(length != 0);
LPWSTR result = new (nothrow) WCHAR[length];
ASSERTE_ALL_BUILDS(result != NULL);
length = MultiByteToWideChar(CP_UTF8, 0, str, -1, result, length);
ASSERTE_ALL_BUILDS(length != 0);
return result;
}
// Convert 8 bit string array to unicode string array
static LPCWSTR* StringArrayToUnicode(int argc, LPCSTR* argv)
{
LPCWSTR* argvW = nullptr;
if (argc > 0)
{
argvW = new (nothrow) LPCWSTR[argc];
ASSERTE_ALL_BUILDS(argvW != 0);
for (int i = 0; i < argc; i++)
{
argvW[i] = StringToUnicode(argv[i]);
}
}
return argvW;
}
static void InitializeStartupFlags(STARTUP_FLAGS* startupFlagsRef)
{
STARTUP_FLAGS startupFlags = static_cast<STARTUP_FLAGS>(
STARTUP_FLAGS::STARTUP_LOADER_OPTIMIZATION_SINGLE_DOMAIN |
STARTUP_FLAGS::STARTUP_SINGLE_APPDOMAIN);
if (Configuration::GetKnobBooleanValue(W("System.GC.Concurrent"), CLRConfig::UNSUPPORTED_gcConcurrent))
{
startupFlags = static_cast<STARTUP_FLAGS>(startupFlags | STARTUP_CONCURRENT_GC);
}
if (Configuration::GetKnobBooleanValue(W("System.GC.Server"), CLRConfig::UNSUPPORTED_gcServer))
{
startupFlags = static_cast<STARTUP_FLAGS>(startupFlags | STARTUP_SERVER_GC);
}
if (Configuration::GetKnobBooleanValue(W("System.GC.RetainVM"), CLRConfig::UNSUPPORTED_GCRetainVM))
{
startupFlags = static_cast<STARTUP_FLAGS>(startupFlags | STARTUP_HOARD_GC_VM);
}
*startupFlagsRef = startupFlags;
}
static void ConvertConfigPropertiesToUnicode(
const char** propertyKeys,
const char** propertyValues,
int propertyCount,
LPCWSTR** propertyKeysWRef,
LPCWSTR** propertyValuesWRef)
{
LPCWSTR* propertyKeysW = new (nothrow) LPCWSTR[propertyCount];
ASSERTE_ALL_BUILDS(propertyKeysW != nullptr);
LPCWSTR* propertyValuesW = new (nothrow) LPCWSTR[propertyCount];
ASSERTE_ALL_BUILDS(propertyValuesW != nullptr);
for (int propertyIndex = 0; propertyIndex < propertyCount; ++propertyIndex)
{
propertyKeysW[propertyIndex] = StringToUnicode(propertyKeys[propertyIndex]);
propertyValuesW[propertyIndex] = StringToUnicode(propertyValues[propertyIndex]);
}
*propertyKeysWRef = propertyKeysW;
*propertyValuesWRef = propertyValuesW;
}
#if !defined(FEATURE_MERGE_JIT_AND_ENGINE)
// Reference to the global holding the path to the JIT
extern LPCWSTR g_CLRJITPath;
#endif // !defined(FEATURE_MERGE_JIT_AND_ENGINE)
#ifdef FEATURE_GDBJIT
GetInfoForMethodDelegate getInfoForMethodDelegate = NULL;
extern "C" int coreclr_create_delegate(void*, unsigned int, const char*, const char*, const char*, void**);
#endif //FEATURE_GDBJIT
//
// Initialize the CoreCLR. Creates and starts CoreCLR host and creates an app domain
//
// Parameters:
// exePath - Absolute path of the executable that invoked the ExecuteAssembly
// appDomainFriendlyName - Friendly name of the app domain that will be created to execute the assembly
// propertyCount - Number of properties (elements of the following two arguments)
// propertyKeys - Keys of properties of the app domain
// propertyValues - Values of properties of the app domain
// hostHandle - Output parameter, handle of the created host
// domainId - Output parameter, id of the created app domain
//
// Returns:
// HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
//
extern "C"
DLLEXPORT
int coreclr_initialize(
const char* exePath,
const char* appDomainFriendlyName,
int propertyCount,
const char** propertyKeys,
const char** propertyValues,
void** hostHandle,
unsigned int* domainId)
{
HRESULT hr;
#ifdef FEATURE_PAL
DWORD error = PAL_InitializeCoreCLR(exePath);
hr = HRESULT_FROM_WIN32(error);
// If PAL initialization failed, then we should return right away and avoid
// calling any other APIs because they can end up calling into the PAL layer again.
if (FAILED(hr))
{
return hr;
}
#endif
ReleaseHolder<ICLRRuntimeHost4> host;
hr = CorHost2::CreateObject(IID_ICLRRuntimeHost4, (void**)&host);
IfFailRet(hr);
ConstWStringHolder appDomainFriendlyNameW = StringToUnicode(appDomainFriendlyName);
LPCWSTR* propertyKeysW;
LPCWSTR* propertyValuesW;
ConvertConfigPropertiesToUnicode(
propertyKeys,
propertyValues,
propertyCount,
&propertyKeysW,
&propertyValuesW);
// This will take ownership of propertyKeysWTemp and propertyValuesWTemp
Configuration::InitializeConfigurationKnobs(propertyCount, propertyKeysW, propertyValuesW);
#if !defined(FEATURE_MERGE_JIT_AND_ENGINE)
// Fetch the path to JIT binary, if specified
g_CLRJITPath = Configuration::GetKnobStringValue(W("JIT_PATH"));
#endif // !defined(FEATURE_MERGE_JIT_AND_ENGINE)
STARTUP_FLAGS startupFlags;
InitializeStartupFlags(&startupFlags);
hr = host->SetStartupFlags(startupFlags);
IfFailRet(hr);
hr = host->Start();
IfFailRet(hr);
hr = host->CreateAppDomainWithManager(
appDomainFriendlyNameW,
// Flags:
// APPDOMAIN_ENABLE_PLATFORM_SPECIFIC_APPS
// - By default CoreCLR only allows platform neutral assembly to be run. To allow
// assemblies marked as platform specific, include this flag
//
// APPDOMAIN_ENABLE_PINVOKE_AND_CLASSIC_COMINTEROP
// - Allows sandboxed applications to make P/Invoke calls and use COM interop
//
// APPDOMAIN_SECURITY_SANDBOXED
// - Enables sandboxing. If not set, the app is considered full trust
//
// APPDOMAIN_IGNORE_UNHANDLED_EXCEPTION
// - Prevents the application from being torn down if a managed exception is unhandled
//
APPDOMAIN_ENABLE_PLATFORM_SPECIFIC_APPS |
APPDOMAIN_ENABLE_PINVOKE_AND_CLASSIC_COMINTEROP |
APPDOMAIN_DISABLE_TRANSPARENCY_ENFORCEMENT,
NULL, // Name of the assembly that contains the AppDomainManager implementation
NULL, // The AppDomainManager implementation type name
propertyCount,
propertyKeysW,
propertyValuesW,
(DWORD *)domainId);
if (SUCCEEDED(hr))
{
host.SuppressRelease();
*hostHandle = host;
#ifdef FEATURE_GDBJIT
HRESULT createDelegateResult;
createDelegateResult = coreclr_create_delegate(*hostHandle,
*domainId,
"SOS.NETCore",
"SOS.SymbolReader",
"GetInfoForMethod",
(void**)&getInfoForMethodDelegate);
#if defined(_DEBUG)
if (!SUCCEEDED(createDelegateResult))
{
fprintf(stderr,
"Can't create delegate for 'SOS.SymbolReader.GetInfoForMethod' "
"method - status: 0x%08x\n", createDelegateResult);
}
#endif // _DEBUG
#endif
}
return hr;
}
//
// Shutdown CoreCLR. It unloads the app domain and stops the CoreCLR host.
//
// Parameters:
// hostHandle - Handle of the host
// domainId - Id of the domain
//
// Returns:
// HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
//
extern "C"
DLLEXPORT
int coreclr_shutdown(
void* hostHandle,
unsigned int domainId)
{
ReleaseHolder<ICLRRuntimeHost4> host(reinterpret_cast<ICLRRuntimeHost4*>(hostHandle));
HRESULT hr = host->UnloadAppDomain(domainId, true); // Wait until done
IfFailRet(hr);
hr = host->Stop();
#ifdef FEATURE_PAL
PAL_Shutdown();
#endif
return hr;
}
//
// Shutdown CoreCLR. It unloads the app domain and stops the CoreCLR host.
//
// Parameters:
// hostHandle - Handle of the host
// domainId - Id of the domain
// latchedExitCode - Latched exit code after domain unloaded
//
// Returns:
// HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
//
extern "C"
DLLEXPORT
int coreclr_shutdown_2(
void* hostHandle,
unsigned int domainId,
int* latchedExitCode)
{
ReleaseHolder<ICLRRuntimeHost4> host(reinterpret_cast<ICLRRuntimeHost4*>(hostHandle));
HRESULT hr = host->UnloadAppDomain2(domainId, true, latchedExitCode); // Wait until done
IfFailRet(hr);
hr = host->Stop();
#ifdef FEATURE_PAL
PAL_Shutdown();
#endif
return hr;
}
//
// Create a native callable delegate for a managed method.
//
// Parameters:
// hostHandle - Handle of the host
// domainId - Id of the domain
// entryPointAssemblyName - Name of the assembly which holds the custom entry point
// entryPointTypeName - Name of the type which holds the custom entry point
// entryPointMethodName - Name of the method which is the custom entry point
// delegate - Output parameter, the function stores a pointer to the delegate at the specified address
//
// Returns:
// HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
//
extern "C"
DLLEXPORT
int coreclr_create_delegate(
void* hostHandle,
unsigned int domainId,
const char* entryPointAssemblyName,
const char* entryPointTypeName,
const char* entryPointMethodName,
void** delegate)
{
ICLRRuntimeHost4* host = reinterpret_cast<ICLRRuntimeHost4*>(hostHandle);
ConstWStringHolder entryPointAssemblyNameW = StringToUnicode(entryPointAssemblyName);
ConstWStringHolder entryPointTypeNameW = StringToUnicode(entryPointTypeName);
ConstWStringHolder entryPointMethodNameW = StringToUnicode(entryPointMethodName);
HRESULT hr = host->CreateDelegate(
domainId,
entryPointAssemblyNameW,
entryPointTypeNameW,
entryPointMethodNameW,
(INT_PTR*)delegate);
return hr;
}
//
// Execute a managed assembly with given arguments
//
// Parameters:
// hostHandle - Handle of the host
// domainId - Id of the domain
// argc - Number of arguments passed to the executed assembly
// argv - Array of arguments passed to the executed assembly
// managedAssemblyPath - Path of the managed assembly to execute (or NULL if using a custom entrypoint).
// exitCode - Exit code returned by the executed assembly
//
// Returns:
// HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
//
extern "C"
DLLEXPORT
int coreclr_execute_assembly(
void* hostHandle,
unsigned int domainId,
int argc,
const char** argv,
const char* managedAssemblyPath,
unsigned int* exitCode)
{
if (exitCode == NULL)
{
return HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER);
}
*exitCode = -1;
ICLRRuntimeHost4* host = reinterpret_cast<ICLRRuntimeHost4*>(hostHandle);
ConstWStringArrayHolder argvW;
argvW.Set(StringArrayToUnicode(argc, argv), argc);
ConstWStringHolder managedAssemblyPathW = StringToUnicode(managedAssemblyPath);
HRESULT hr = host->ExecuteAssembly(domainId, managedAssemblyPathW, argc, argvW, (DWORD *)exitCode);
IfFailRet(hr);
return hr;
}
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