diff options
Diffstat (limited to 'src/vm/mixedmode.cpp')
| -rw-r--r-- | src/vm/mixedmode.cpp | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/src/vm/mixedmode.cpp b/src/vm/mixedmode.cpp deleted file mode 100644 index 32d4368363..0000000000 --- a/src/vm/mixedmode.cpp +++ /dev/null @@ -1,236 +0,0 @@ -// 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. -// =========================================================================== -// File: MIXEDMODE.CPP -// - -// - -// MIXEDMODE deals with mixed-mode binaries support -// =========================================================================== - - - -#include "common.h" - -#include "mixedmode.hpp" - -#include "dllimportcallback.h" - -#ifdef FEATURE_MIXEDMODE - - -IJWNOADThunk::IJWNOADThunk(HMODULE pModulebase, DWORD dwIndex, mdToken Token) -{ - LIMITED_METHOD_CONTRACT; - m_pModulebase=pModulebase; - m_dwIndex=dwIndex; - m_Token=Token; - m_fAccessingCache = 0; - - for (int i=0; i < IJWNOADThunkStubCacheSize; i++) - { - m_cache[i].m_AppDomainID = (ADID)-1; - m_cache[i].m_CodeAddr = 0; - } - -#ifdef _TARGET_X86_ - m_code.Encode((BYTE*)GetEEFuncEntryPoint(IJWNOADThunkJumpTarget), this); -#else // !_TARGET_X86_ - m_code.Encode((BYTE*)GetEEFuncEntryPoint(MakeCall), this); -#endif // !_TARGET_X86_ -}; - -#define E_PROCESS_SHUTDOWN_REENTRY HRESULT_FROM_WIN32(ERROR_PROCESS_ABORTED) - - -#ifdef _TARGET_X86_ -// Slow path lookup...called from stub -extern "C" LPCVOID __stdcall IJWNOADThunkJumpTargetHelper(IJWNOADThunk* pThunk) -{ - WRAPPER_NO_CONTRACT; - - return pThunk->FindThunkTarget(); -} -#endif // _TARGET_X86_ - -LPCVOID IJWNOADThunk::FindThunkTarget() -{ - CONTRACT(LPCVOID) - { - INSTANCE_CHECK; - NOTHROW; - GC_TRIGGERS; - MODE_ANY; - SO_TOLERANT; - POSTCONDITION(CheckPointer(RETVAL)); - } - CONTRACT_END; - - // We don't plan on fixing this in Whidbey...the IJW scenario has always assumed throwing is "ok" here. - CONTRACT_VIOLATION(ThrowsViolation); - - LPCVOID pvTargetCode = NULL; - - AppDomain* pDomain; - - Thread* pThread = SetupThread(); - - // Ensure that we're in preemptive mode. - // We only need this check for a newly created - // CLR thread - it defaults to COOP mode from here. - GCX_PREEMP_NO_DTOR(); - - pDomain = GetAppDomain(); - - if (NULL == pDomain) - { - _ASSERTE(!"Appdomain should've been set up by SetupThread"); - pDomain = SystemDomain::System()->DefaultDomain(); - } - - - if (NULL != pDomain) - { - // Get a local copy so we don't have to deal with a race condition. - LPCVOID pCacheTarget = NULL; - GetCachedInfo(pDomain->GetId(), &pvTargetCode); - - // Cache miss. - if (pvTargetCode==NULL) - { - INSTALL_UNWIND_AND_CONTINUE_HANDLER; - BEGIN_SO_INTOLERANT_CODE(pThread); - { - Module* pModule; - - pModule = pDomain->GetIJWModule(m_pModulebase); - if (NULL == pModule) - { - // New for Whidbey: In V1.1, we just gave up and raised an exception if the target assembly wasn't already loaded - // into the current appdomain. We now force-inject the assembly. - - PEAssemblyHolder pFile(pDomain->BindExplicitAssembly(m_pModulebase, FALSE)); - pDomain->LoadAssembly(NULL, pFile, FILE_ACTIVE); - - // Now, try the lookup again. The LoadAssembly() either worked or it didn't. If it didn't, it is probably - // due to lack of memory and all we can do is raise an exception and hope the IJW caller does something reasonable. - // Otherwise, we should now succeed in finding the current domain's instantiation of the target module. - pModule = pDomain->GetIJWModule(m_pModulebase); - } - - if (NULL != pModule) - { - pModule->EnsureActive(); - - UMEntryThunk* pThunkTable; - - pThunkTable = pModule->GetADThunkTable(); - pvTargetCode = (LPVOID)GetEEFuncEntryPoint((LPVOID)pThunkTable[m_dwIndex].GetCode()); - - // Populate the cache with our latest info. - SetCachedInfo(pDomain->GetId(), pvTargetCode); - } - } - END_SO_INTOLERANT_CODE; - UNINSTALL_UNWIND_AND_CONTINUE_HANDLER; - } - } - - if(pvTargetCode==NULL) - pvTargetCode=(LPVOID)GetEEFuncEntryPoint(SafeNoModule); - - RETURN (LPCVOID)pvTargetCode; -} - -#ifdef _TARGET_X86_ - -#ifdef _MSC_VER -#pragma warning(push) -#pragma warning (disable : 4740) // There is inline asm code in this function, which disables - // global optimizations. -#endif // _MSC_VER - -__declspec(naked) void _cdecl IJWNOADThunk::MakeCall() -{ - WRAPPER_NO_CONTRACT; - struct - { - LPVOID This; - LPCVOID RetAddr; - } Vars; - #define LocalsSize 8 - - _asm enter LocalsSize+4,0; - _asm push ebx; - _asm push ecx; - _asm push edx; - _asm push esi; - _asm push edi; - - _asm mov Vars.This, eax; - - //careful above this point - _ASSERTE(sizeof(Vars)<=LocalsSize); - - Vars.RetAddr = ((IJWNOADThunk*)Vars.This)->FindThunkTarget(); - - _ASSERTE(NULL != Vars.RetAddr); - - _asm pop edi; - _asm pop esi; - _asm pop edx; - _asm pop ecx; - _asm pop ebx; - _asm mov eax,Vars.RetAddr; - _asm leave; - _asm jmp eax; -}; - -#if defined(_MSC_VER) -#pragma warning(pop) -#endif - -#elif defined(_TARGET_AMD64_) -// Implemented in AMD64\UMThunkStub.asm -#elif defined(_TARGET_ARM_) -// Implemented in Arm\asmhelpers.asm -#else -void __cdecl IJWNOADThunk::MakeCall() -{ - LIMITED_METHOD_CONTRACT; - PORTABILITY_ASSERT("IJWNOADThunk::MakeCall"); -} -#endif - -void IJWNOADThunk::SafeNoModule() -{ - STATIC_CONTRACT_THROWS; - STATIC_CONTRACT_GC_TRIGGERS; - - if (!CanRunManagedCode()) - { - Thread* pThread=GetThread(); - - // DO NOT IMPROVE THIS EXCEPTION! It cannot be a managed exception. It - // cannot be a real exception object because we cannot execute any managed - // code here. - if(pThread) - pThread->m_fPreemptiveGCDisabled = 0; - COMPlusThrowBoot(E_PROCESS_SHUTDOWN_REENTRY); - } - NoModule(); -} - -void IJWNOADThunk::NoModule() -{ - WRAPPER_NO_CONTRACT; - INSTALL_UNWIND_AND_CONTINUE_HANDLER; - //<TODO>This should give the file name as part of the exception message!</TODO> - COMPlusThrowHR(COR_E_DLLNOTFOUND); - UNINSTALL_UNWIND_AND_CONTINUE_HANDLER; -} - -#endif // FEATURE_MIXEDMODE - |