/* * Win32 threads * * Copyright 1996, 2002, 2019 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #include #include "ntstatus.h" #define WIN32_NO_STATUS #define NONAMELESSUNION #include "windef.h" #include "winbase.h" #include "winnls.h" #include "winternl.h" #include "kernelbase.h" #include "wine/exception.h" #include "wine/asm.h" #include "wine/debug.h" #include "wine/heap.h" WINE_DEFAULT_DEBUG_CHANNEL(thread); /*********************************************************************** * Threads ***********************************************************************/ static DWORD rtlmode_to_win32mode( DWORD rtlmode ) { DWORD win32mode = 0; if (rtlmode & 0x10) win32mode |= SEM_FAILCRITICALERRORS; if (rtlmode & 0x20) win32mode |= SEM_NOGPFAULTERRORBOX; if (rtlmode & 0x40) win32mode |= SEM_NOOPENFILEERRORBOX; return win32mode; } /*************************************************************************** * CreateRemoteThread (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH CreateRemoteThread( HANDLE process, SECURITY_ATTRIBUTES *sa, SIZE_T stack, LPTHREAD_START_ROUTINE start, LPVOID param, DWORD flags, DWORD *id ) { return CreateRemoteThreadEx( process, sa, stack, start, param, flags, NULL, id ); } /*************************************************************************** * CreateRemoteThreadEx (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH CreateRemoteThreadEx( HANDLE process, SECURITY_ATTRIBUTES *sa, SIZE_T stack, LPTHREAD_START_ROUTINE start, LPVOID param, DWORD flags, LPPROC_THREAD_ATTRIBUTE_LIST attributes, DWORD *id ) { HANDLE handle; CLIENT_ID client_id; SIZE_T stack_reserve = 0, stack_commit = 0; if (attributes) FIXME("thread attributes ignored\n"); if (flags & STACK_SIZE_PARAM_IS_A_RESERVATION) stack_reserve = stack; else stack_commit = stack; if (!set_ntstatus( RtlCreateUserThread( process, sa ? sa->lpSecurityDescriptor : NULL, TRUE, 0, stack_reserve, stack_commit, (PRTL_THREAD_START_ROUTINE)start, param, &handle, &client_id ))) return 0; if (id) *id = HandleToULong( client_id.UniqueThread ); if (sa && sa->nLength >= sizeof(*sa) && sa->bInheritHandle) SetHandleInformation( handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT ); if (!(flags & CREATE_SUSPENDED)) { ULONG ret; if (NtResumeThread( handle, &ret )) { NtClose( handle ); SetLastError( ERROR_NOT_ENOUGH_MEMORY ); handle = 0; } } return handle; } /*********************************************************************** * CreateThread (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH CreateThread( SECURITY_ATTRIBUTES *sa, SIZE_T stack, LPTHREAD_START_ROUTINE start, LPVOID param, DWORD flags, LPDWORD id ) { return CreateRemoteThread( GetCurrentProcess(), sa, stack, start, param, flags, id ); } /*********************************************************************** * FreeLibraryAndExitThread (kernelbase.@) */ void WINAPI DECLSPEC_HOTPATCH FreeLibraryAndExitThread( HINSTANCE module, DWORD exit_code ) { FreeLibrary( module ); RtlExitUserThread( exit_code ); } /*********************************************************************** * GetCurrentThreadStackLimits (kernelbase.@) */ void WINAPI DECLSPEC_HOTPATCH GetCurrentThreadStackLimits( ULONG_PTR *low, ULONG_PTR *high ) { *low = (ULONG_PTR)NtCurrentTeb()->DeallocationStack; *high = (ULONG_PTR)NtCurrentTeb()->Tib.StackBase; } /*********************************************************************** * GetCurrentThread (kernelbase.@) */ HANDLE WINAPI kernelbase_GetCurrentThread(void) { return (HANDLE)~(ULONG_PTR)1; } /*********************************************************************** * GetCurrentThreadId (kernelbase.@) */ DWORD WINAPI kernelbase_GetCurrentThreadId(void) { return HandleToULong( NtCurrentTeb()->ClientId.UniqueThread ); } /********************************************************************** * GetExitCodeThread (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH GetExitCodeThread( HANDLE thread, LPDWORD exit_code ) { THREAD_BASIC_INFORMATION info; NTSTATUS status = NtQueryInformationThread( thread, ThreadBasicInformation, &info, sizeof(info), NULL ); if (!status && exit_code) *exit_code = info.ExitStatus; return set_ntstatus( status ); } /********************************************************************** * GetLastError (kernelbase.@) */ DWORD WINAPI kernelbase_GetLastError(void) { return NtCurrentTeb()->LastErrorValue; } /********************************************************************** * GetProcessIdOfThread (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH GetProcessIdOfThread( HANDLE thread ) { THREAD_BASIC_INFORMATION tbi; if (!set_ntstatus( NtQueryInformationThread( thread, ThreadBasicInformation, &tbi, sizeof(tbi), NULL))) return 0; return HandleToULong( tbi.ClientId.UniqueProcess ); } /*********************************************************************** * GetThreadContext (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH GetThreadContext( HANDLE thread, CONTEXT *context ) { return set_ntstatus( NtGetContextThread( thread, context )); } /*********************************************************************** * GetThreadErrorMode (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH GetThreadErrorMode(void) { return rtlmode_to_win32mode( RtlGetThreadErrorMode() ); } /*********************************************************************** * GetThreadGroupAffinity (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH GetThreadGroupAffinity( HANDLE thread, GROUP_AFFINITY *affinity ) { if (!affinity) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } return set_ntstatus( NtQueryInformationThread( thread, ThreadGroupInformation, affinity, sizeof(*affinity), NULL )); } /*********************************************************************** * GetThreadIOPendingFlag (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH GetThreadIOPendingFlag( HANDLE thread, PBOOL pending ) { return set_ntstatus( NtQueryInformationThread( thread, ThreadIsIoPending, pending, sizeof(*pending), NULL )); } /********************************************************************** * GetThreadId (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH GetThreadId( HANDLE thread ) { THREAD_BASIC_INFORMATION tbi; if (!set_ntstatus( NtQueryInformationThread( thread, ThreadBasicInformation, &tbi, sizeof(tbi), NULL))) return 0; return HandleToULong( tbi.ClientId.UniqueThread ); } /*********************************************************************** * GetThreadIdealProcessorEx (kernelbase.@) */ BOOL WINAPI /* DECLSPEC_HOTPATCH */ GetThreadIdealProcessorEx( HANDLE thread, PROCESSOR_NUMBER *ideal ) { FIXME( "(%p %p): stub\n", thread, ideal ); SetLastError( ERROR_CALL_NOT_IMPLEMENTED ); return FALSE; } /*********************************************************************** * GetThreadLocale (kernelbase.@) */ LCID WINAPI /* DECLSPEC_HOTPATCH */ GetThreadLocale(void) { LCID ret = NtCurrentTeb()->CurrentLocale; if (!ret) NtCurrentTeb()->CurrentLocale = ret = GetUserDefaultLCID(); return ret; } /********************************************************************** * GetThreadPriority (kernelbase.@) */ INT WINAPI DECLSPEC_HOTPATCH GetThreadPriority( HANDLE thread ) { THREAD_BASIC_INFORMATION info; if (!set_ntstatus( NtQueryInformationThread( thread, ThreadBasicInformation, &info, sizeof(info), NULL ))) return THREAD_PRIORITY_ERROR_RETURN; return info.Priority; } /********************************************************************** * GetThreadPriorityBoost (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH GetThreadPriorityBoost( HANDLE thread, BOOL *state ) { if (state) *state = FALSE; return TRUE; } /********************************************************************** * GetThreadTimes (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH GetThreadTimes( HANDLE thread, LPFILETIME creationtime, LPFILETIME exittime, LPFILETIME kerneltime, LPFILETIME usertime ) { KERNEL_USER_TIMES times; if (!set_ntstatus( NtQueryInformationThread( thread, ThreadTimes, ×, sizeof(times), NULL ))) return FALSE; if (creationtime) { creationtime->dwLowDateTime = times.CreateTime.u.LowPart; creationtime->dwHighDateTime = times.CreateTime.u.HighPart; } if (exittime) { exittime->dwLowDateTime = times.ExitTime.u.LowPart; exittime->dwHighDateTime = times.ExitTime.u.HighPart; } if (kerneltime) { kerneltime->dwLowDateTime = times.KernelTime.u.LowPart; kerneltime->dwHighDateTime = times.KernelTime.u.HighPart; } if (usertime) { usertime->dwLowDateTime = times.UserTime.u.LowPart; usertime->dwHighDateTime = times.UserTime.u.HighPart; } return TRUE; } /*********************************************************************** * GetThreadUILanguage (kernelbase.@) */ LANGID WINAPI DECLSPEC_HOTPATCH GetThreadUILanguage(void) { LANGID lang; FIXME(": stub, returning default language.\n"); NtQueryDefaultUILanguage( &lang ); return lang; } /*********************************************************************** * OpenThread (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH OpenThread( DWORD access, BOOL inherit, DWORD id ) { HANDLE handle; OBJECT_ATTRIBUTES attr; CLIENT_ID cid; attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.Attributes = inherit ? OBJ_INHERIT : 0; attr.ObjectName = NULL; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; cid.UniqueProcess = 0; cid.UniqueThread = ULongToHandle( id ); if (!set_ntstatus( NtOpenThread( &handle, access, &attr, &cid ))) handle = 0; return handle; } /* callback for QueueUserAPC */ static void CALLBACK call_user_apc( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3 ) { PAPCFUNC func = (PAPCFUNC)arg1; func( arg2 ); } /*********************************************************************** * QueueUserAPC (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH QueueUserAPC( PAPCFUNC func, HANDLE thread, ULONG_PTR data ) { return set_ntstatus( NtQueueApcThread( thread, call_user_apc, (ULONG_PTR)func, data, 0 )); } /*********************************************************************** * QueryThreadCycleTime (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH QueryThreadCycleTime( HANDLE thread, ULONG64 *cycle ) { static int once; if (!once++) FIXME( "(%p,%p): stub!\n", thread, cycle ); SetLastError( ERROR_CALL_NOT_IMPLEMENTED ); return FALSE; } /********************************************************************** * ResumeThread (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH ResumeThread( HANDLE thread ) { DWORD ret; if (!set_ntstatus( NtResumeThread( thread, &ret ))) ret = ~0U; return ret; } /*********************************************************************** * SetThreadContext (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SetThreadContext( HANDLE thread, const CONTEXT *context ) { return set_ntstatus( NtSetContextThread( thread, context )); } /*********************************************************************** * SetThreadDescription (kernelbase.@) */ HRESULT WINAPI DECLSPEC_HOTPATCH SetThreadDescription( HANDLE thread, PCWSTR description ) { THREAD_DESCRIPTION_INFORMATION info; int length; TRACE( "(%p, %s)\n", thread, debugstr_w( description )); length = description ? lstrlenW( description ) * sizeof(WCHAR) : 0; if (length > USHRT_MAX) return HRESULT_FROM_NT(STATUS_INVALID_PARAMETER); info.Description.Length = info.Description.MaximumLength = length; info.Description.Buffer = (WCHAR *)description; return HRESULT_FROM_NT(NtSetInformationThread( thread, ThreadDescription, &info, sizeof(info) )); } /*********************************************************************** * GetThreadDescription (kernelbase.@) */ HRESULT WINAPI DECLSPEC_HOTPATCH GetThreadDescription( HANDLE thread, WCHAR **description ) { THREAD_DESCRIPTION_INFORMATION *info; NTSTATUS status; ULONG length; TRACE( "(%p, %p)\n", thread, description ); *description = NULL; length = 0; status = NtQueryInformationThread( thread, ThreadDescription, NULL, 0, &length ); if (status != STATUS_BUFFER_TOO_SMALL) return HRESULT_FROM_NT(status); if (!(info = heap_alloc( length ))) return HRESULT_FROM_NT(STATUS_NO_MEMORY); status = NtQueryInformationThread( thread, ThreadDescription, info, length, &length ); if (!status) { if (!(*description = LocalAlloc( 0, info->Description.Length + sizeof(WCHAR)))) status = STATUS_NO_MEMORY; else { if (info->Description.Length) memcpy(*description, info->Description.Buffer, info->Description.Length); (*description)[info->Description.Length / sizeof(WCHAR)] = 0; } } heap_free(info); return HRESULT_FROM_NT(status); } /*********************************************************************** * SetThreadErrorMode (kernelbase.@) */ BOOL WINAPI SetThreadErrorMode( DWORD mode, DWORD *old ) { NTSTATUS status; DWORD new = 0; if (mode & ~(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX)) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } if (mode & SEM_FAILCRITICALERRORS) new |= 0x10; if (mode & SEM_NOGPFAULTERRORBOX) new |= 0x20; if (mode & SEM_NOOPENFILEERRORBOX) new |= 0x40; status = RtlSetThreadErrorMode( new, old ); if (!status && old) *old = rtlmode_to_win32mode( *old ); return set_ntstatus( status ); } /*********************************************************************** * SetThreadGroupAffinity (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SetThreadGroupAffinity( HANDLE thread, const GROUP_AFFINITY *new, GROUP_AFFINITY *old ) { if (old && !GetThreadGroupAffinity( thread, old )) return FALSE; return set_ntstatus( NtSetInformationThread( thread, ThreadGroupInformation, new, sizeof(*new) )); } /********************************************************************** * SetThreadIdealProcessor (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH SetThreadIdealProcessor( HANDLE thread, DWORD proc ) { FIXME( "(%p %u): stub\n", thread, proc ); if (proc > MAXIMUM_PROCESSORS) { SetLastError( ERROR_INVALID_PARAMETER ); return ~0u; } return 0; } /*********************************************************************** * SetThreadIdealProcessorEx (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SetThreadIdealProcessorEx( HANDLE thread, PROCESSOR_NUMBER *ideal, PROCESSOR_NUMBER *previous ) { FIXME( "(%p %p %p): stub\n", thread, ideal, previous ); SetLastError( ERROR_CALL_NOT_IMPLEMENTED ); return FALSE; } /********************************************************************** * SetThreadLocale (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SetThreadLocale( LCID lcid ) { lcid = ConvertDefaultLocale( lcid ); if (lcid != GetThreadLocale()) { if (!IsValidLocale( lcid, LCID_SUPPORTED )) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } NtCurrentTeb()->CurrentLocale = lcid; } return TRUE; } /********************************************************************** * SetThreadPriority (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SetThreadPriority( HANDLE thread, INT priority ) { DWORD prio = priority; return set_ntstatus( NtSetInformationThread( thread, ThreadBasePriority, &prio, sizeof(prio) )); } /********************************************************************** * SetThreadPriorityBoost (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SetThreadPriorityBoost( HANDLE thread, BOOL disable ) { return TRUE; } /********************************************************************** * SetThreadStackGuarantee (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SetThreadStackGuarantee( ULONG *size ) { ULONG prev_size = NtCurrentTeb()->GuaranteedStackBytes; ULONG new_size = (*size + 4095) & ~4095; /* at least 2 pages on 64-bit */ if (sizeof(void *) > sizeof(int) && new_size) new_size = max( new_size, 8192 ); *size = prev_size; if (new_size >= (char *)NtCurrentTeb()->Tib.StackBase - (char *)NtCurrentTeb()->DeallocationStack) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } if (new_size > prev_size) NtCurrentTeb()->GuaranteedStackBytes = (new_size + 4095) & ~4095; return TRUE; } /********************************************************************** * SetThreadUILanguage (kernelbase.@) */ LANGID WINAPI DECLSPEC_HOTPATCH SetThreadUILanguage( LANGID langid ) { TRACE( "(0x%04x) stub - returning success\n", langid ); if (!langid) langid = GetThreadUILanguage(); return langid; } /********************************************************************** * SuspendThread (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH SuspendThread( HANDLE thread ) { DWORD ret; if (!set_ntstatus( NtSuspendThread( thread, &ret ))) ret = ~0U; return ret; } /*********************************************************************** * SwitchToThread (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SwitchToThread(void) { return (NtYieldExecution() != STATUS_NO_YIELD_PERFORMED); } /********************************************************************** * TerminateThread (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH TerminateThread( HANDLE handle, DWORD exit_code ) { return set_ntstatus( NtTerminateThread( handle, exit_code )); } /********************************************************************** * TlsAlloc (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH TlsAlloc(void) { DWORD index; PEB * const peb = NtCurrentTeb()->Peb; RtlAcquirePebLock(); index = RtlFindClearBitsAndSet( peb->TlsBitmap, 1, 1 ); if (index != ~0U) NtCurrentTeb()->TlsSlots[index] = 0; /* clear the value */ else { index = RtlFindClearBitsAndSet( peb->TlsExpansionBitmap, 1, 0 ); if (index != ~0U) { if (!NtCurrentTeb()->TlsExpansionSlots && !(NtCurrentTeb()->TlsExpansionSlots = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 8 * sizeof(peb->TlsExpansionBitmapBits) * sizeof(void*) ))) { RtlClearBits( peb->TlsExpansionBitmap, index, 1 ); index = ~0U; SetLastError( ERROR_NOT_ENOUGH_MEMORY ); } else { NtCurrentTeb()->TlsExpansionSlots[index] = 0; /* clear the value */ index += TLS_MINIMUM_AVAILABLE; } } else SetLastError( ERROR_NO_MORE_ITEMS ); } RtlReleasePebLock(); return index; } /********************************************************************** * TlsFree (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH TlsFree( DWORD index ) { BOOL ret; RtlAcquirePebLock(); if (index >= TLS_MINIMUM_AVAILABLE) { ret = RtlAreBitsSet( NtCurrentTeb()->Peb->TlsExpansionBitmap, index - TLS_MINIMUM_AVAILABLE, 1 ); if (ret) RtlClearBits( NtCurrentTeb()->Peb->TlsExpansionBitmap, index - TLS_MINIMUM_AVAILABLE, 1 ); } else { ret = RtlAreBitsSet( NtCurrentTeb()->Peb->TlsBitmap, index, 1 ); if (ret) RtlClearBits( NtCurrentTeb()->Peb->TlsBitmap, index, 1 ); } if (ret) NtSetInformationThread( GetCurrentThread(), ThreadZeroTlsCell, &index, sizeof(index) ); else SetLastError( ERROR_INVALID_PARAMETER ); RtlReleasePebLock(); return ret; } /********************************************************************** * TlsGetValue (kernelbase.@) */ LPVOID WINAPI DECLSPEC_HOTPATCH TlsGetValue( DWORD index ) { SetLastError( ERROR_SUCCESS ); if (index < TLS_MINIMUM_AVAILABLE) return NtCurrentTeb()->TlsSlots[index]; index -= TLS_MINIMUM_AVAILABLE; if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits)) { SetLastError( ERROR_INVALID_PARAMETER ); return NULL; } if (!NtCurrentTeb()->TlsExpansionSlots) return NULL; return NtCurrentTeb()->TlsExpansionSlots[index]; } /********************************************************************** * TlsSetValue (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH TlsSetValue( DWORD index, LPVOID value ) { if (index < TLS_MINIMUM_AVAILABLE) { NtCurrentTeb()->TlsSlots[index] = value; } else { index -= TLS_MINIMUM_AVAILABLE; if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits)) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } if (!NtCurrentTeb()->TlsExpansionSlots && !(NtCurrentTeb()->TlsExpansionSlots = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits) * sizeof(void*) ))) { SetLastError( ERROR_NOT_ENOUGH_MEMORY ); return FALSE; } NtCurrentTeb()->TlsExpansionSlots[index] = value; } return TRUE; } /*********************************************************************** * Fibers ***********************************************************************/ struct fiber_data { LPVOID param; /* 00/00 fiber param */ void *except; /* 04/08 saved exception handlers list */ void *stack_base; /* 08/10 top of fiber stack */ void *stack_limit; /* 0c/18 fiber stack low-water mark */ void *stack_allocation; /* 10/20 base of the fiber stack allocation */ CONTEXT context; /* 14/30 fiber context */ DWORD flags; /* fiber flags */ LPFIBER_START_ROUTINE start; /* start routine */ void *fls_slots; /* fiber storage slots */ }; extern void WINAPI switch_fiber( CONTEXT *old, CONTEXT *new ); #ifdef __i386__ __ASM_STDCALL_FUNC( switch_fiber, 8, "movl 4(%esp),%ecx\n\t" /* old */ "movl %edi,0x9c(%ecx)\n\t" /* old->Edi */ "movl %esi,0xa0(%ecx)\n\t" /* old->Esi */ "movl %ebx,0xa4(%ecx)\n\t" /* old->Ebx */ "movl %ebp,0xb4(%ecx)\n\t" /* old->Ebp */ "movl 0(%esp),%eax\n\t" "movl %eax,0xb8(%ecx)\n\t" /* old->Eip */ "leal 12(%esp),%eax\n\t" "movl %eax,0xc4(%ecx)\n\t" /* old->Esp */ "movl 8(%esp),%ecx\n\t" /* new */ "movl 0x9c(%ecx),%edi\n\t" /* new->Edi */ "movl 0xa0(%ecx),%esi\n\t" /* new->Esi */ "movl 0xa4(%ecx),%ebx\n\t" /* new->Ebx */ "movl 0xb4(%ecx),%ebp\n\t" /* new->Ebp */ "movl 0xc4(%ecx),%esp\n\t" /* new->Esp */ "jmp *0xb8(%ecx)" ) /* new->Eip */ #elif defined(__x86_64__) __ASM_STDCALL_FUNC( switch_fiber, 8, "movq %rbx,0x90(%rcx)\n\t" /* old->Rbx */ "leaq 0x8(%rsp),%rax\n\t" "movq %rax,0x98(%rcx)\n\t" /* old->Rsp */ "movq %rbp,0xa0(%rcx)\n\t" /* old->Rbp */ "movq %rsi,0xa8(%rcx)\n\t" /* old->Rsi */ "movq %rdi,0xb0(%rcx)\n\t" /* old->Rdi */ "movq %r12,0xd8(%rcx)\n\t" /* old->R12 */ "movq %r13,0xe0(%rcx)\n\t" /* old->R13 */ "movq %r14,0xe8(%rcx)\n\t" /* old->R14 */ "movq %r15,0xf0(%rcx)\n\t" /* old->R15 */ "movq (%rsp),%rax\n\t" "movq %rax,0xf8(%rcx)\n\t" /* old->Rip */ "movdqa %xmm6,0x200(%rcx)\n\t" /* old->Xmm6 */ "movdqa %xmm7,0x210(%rcx)\n\t" /* old->Xmm7 */ "movdqa %xmm8,0x220(%rcx)\n\t" /* old->Xmm8 */ "movdqa %xmm9,0x230(%rcx)\n\t" /* old->Xmm9 */ "movdqa %xmm10,0x240(%rcx)\n\t" /* old->Xmm10 */ "movdqa %xmm11,0x250(%rcx)\n\t" /* old->Xmm11 */ "movdqa %xmm12,0x260(%rcx)\n\t" /* old->Xmm12 */ "movdqa %xmm13,0x270(%rcx)\n\t" /* old->Xmm13 */ "movdqa %xmm14,0x280(%rcx)\n\t" /* old->Xmm14 */ "movdqa %xmm15,0x290(%rcx)\n\t" /* old->Xmm15 */ "movq 0x90(%rdx),%rbx\n\t" /* new->Rbx */ "movq 0xa0(%rdx),%rbp\n\t" /* new->Rbp */ "movq 0xa8(%rdx),%rsi\n\t" /* new->Rsi */ "movq 0xb0(%rdx),%rdi\n\t" /* new->Rdi */ "movq 0xd8(%rdx),%r12\n\t" /* new->R12 */ "movq 0xe0(%rdx),%r13\n\t" /* new->R13 */ "movq 0xe8(%rdx),%r14\n\t" /* new->R14 */ "movq 0xf0(%rdx),%r15\n\t" /* new->R15 */ "movdqa 0x200(%rdx),%xmm6\n\t" /* new->Xmm6 */ "movdqa 0x210(%rdx),%xmm7\n\t" /* new->Xmm7 */ "movdqa 0x220(%rdx),%xmm8\n\t" /* new->Xmm8 */ "movdqa 0x230(%rdx),%xmm9\n\t" /* new->Xmm9 */ "movdqa 0x240(%rdx),%xmm10\n\t" /* new->Xmm10 */ "movdqa 0x250(%rdx),%xmm11\n\t" /* new->Xmm11 */ "movdqa 0x260(%rdx),%xmm12\n\t" /* new->Xmm12 */ "movdqa 0x270(%rdx),%xmm13\n\t" /* new->Xmm13 */ "movdqa 0x280(%rdx),%xmm14\n\t" /* new->Xmm14 */ "movdqa 0x290(%rdx),%xmm15\n\t" /* new->Xmm15 */ "movq 0x98(%rdx),%rsp\n\t" /* new->Rsp */ "jmp *0xf8(%rdx)" ) /* new->Rip */ #elif defined(__arm__) __ASM_STDCALL_FUNC( switch_fiber, 8, "str r4, [r0, #0x14]\n\t" /* old->R4 */ "str r5, [r0, #0x18]\n\t" /* old->R5 */ "str r6, [r0, #0x1c]\n\t" /* old->R6 */ "str r7, [r0, #0x20]\n\t" /* old->R7 */ "str r8, [r0, #0x24]\n\t" /* old->R8 */ "str r9, [r0, #0x28]\n\t" /* old->R9 */ "str r10, [r0, #0x2c]\n\t" /* old->R10 */ "str r11, [r0, #0x30]\n\t" /* old->R11 */ "str sp, [r0, #0x38]\n\t" /* old->Sp */ "str lr, [r0, #0x40]\n\t" /* old->Pc */ "ldr r4, [r1, #0x14]\n\t" /* new->R4 */ "ldr r5, [r1, #0x18]\n\t" /* new->R5 */ "ldr r6, [r1, #0x1c]\n\t" /* new->R6 */ "ldr r7, [r1, #0x20]\n\t" /* new->R7 */ "ldr r8, [r1, #0x24]\n\t" /* new->R8 */ "ldr r9, [r1, #0x28]\n\t" /* new->R9 */ "ldr r10, [r1, #0x2c]\n\t" /* new->R10 */ "ldr r11, [r1, #0x30]\n\t" /* new->R11 */ "ldr sp, [r1, #0x38]\n\t" /* new->Sp */ "ldr r2, [r1, #0x40]\n\t" /* new->Pc */ "bx r2" ) #elif defined(__aarch64__) __ASM_STDCALL_FUNC( switch_fiber, 8, "stp x19, x20, [x0, #0xa0]\n\t" /* old->X19,X20 */ "stp x21, x22, [x0, #0xb0]\n\t" /* old->X21,X22 */ "stp x23, x24, [x0, #0xc0]\n\t" /* old->X23,X24 */ "stp x25, x26, [x0, #0xd0]\n\t" /* old->X25,X26 */ "stp x27, x28, [x0, #0xe0]\n\t" /* old->X27,X28 */ "str x29, [x0, #0xf0]\n\t" /* old->Fp */ "mov x2, sp\n\t" "str x2, [x0, #0x100]\n\t" /* old->Sp */ "str x30, [x0, #0x108]\n\t" /* old->Pc */ "ldp x19, x20, [x1, #0xa0]\n\t" /* new->X19,X20 */ "ldp x21, x22, [x1, #0xb0]\n\t" /* new->X21,X22 */ "ldp x23, x24, [x1, #0xc0]\n\t" /* new->X23,X24 */ "ldp x25, x26, [x1, #0xd0]\n\t" /* new->X25,X26 */ "ldp x27, x28, [x1, #0xe0]\n\t" /* new->X27,X28 */ "ldr x29, [x1, #0xf0]\n\t" /* new->Fp */ "ldr x2, [x1, #0x100]\n\t" /* new->Sp */ "ldr x30, [x1, #0x108]\n\t" /* new->Pc */ "mov sp, x2\n\t" "ret" ) #else void WINAPI switch_fiber( CONTEXT *old, CONTEXT *new ) { FIXME( "not implemented\n" ); DbgBreakPoint(); } #endif /* call the fiber initial function once we have switched stack */ static void CDECL start_fiber(void) { struct fiber_data *fiber = NtCurrentTeb()->Tib.u.FiberData; LPFIBER_START_ROUTINE start = fiber->start; __TRY { start( fiber->param ); RtlExitUserThread( 1 ); } __EXCEPT(UnhandledExceptionFilter) { TerminateThread( GetCurrentThread(), GetExceptionCode() ); } __ENDTRY } static void init_fiber_context( struct fiber_data *fiber ) { #ifdef __i386__ fiber->context.Esp = (ULONG_PTR)fiber->stack_base - 4; fiber->context.Eip = (ULONG_PTR)start_fiber; #elif defined(__x86_64__) fiber->context.Rsp = (ULONG_PTR)fiber->stack_base - 0x28; fiber->context.Rip = (ULONG_PTR)start_fiber; #elif defined(__arm__) fiber->context.Sp = (ULONG_PTR)fiber->stack_base; fiber->context.Pc = (ULONG_PTR)start_fiber; #elif defined(__aarch64__) fiber->context.Sp = (ULONG_PTR)fiber->stack_base; fiber->context.Pc = (ULONG_PTR)start_fiber; #endif } /*********************************************************************** * CreateFiber (kernelbase.@) */ LPVOID WINAPI DECLSPEC_HOTPATCH CreateFiber( SIZE_T stack, LPFIBER_START_ROUTINE start, LPVOID param ) { return CreateFiberEx( stack, 0, 0, start, param ); } /*********************************************************************** * CreateFiberEx (kernelbase.@) */ LPVOID WINAPI DECLSPEC_HOTPATCH CreateFiberEx( SIZE_T stack_commit, SIZE_T stack_reserve, DWORD flags, LPFIBER_START_ROUTINE start, LPVOID param ) { struct fiber_data *fiber; INITIAL_TEB stack; if (!(fiber = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*fiber) ))) { SetLastError( ERROR_NOT_ENOUGH_MEMORY ); return NULL; } if (!set_ntstatus( RtlCreateUserStack( stack_commit, stack_reserve, 0, 1, 1, &stack ))) { HeapFree( GetProcessHeap(), 0, fiber ); return NULL; } fiber->stack_allocation = stack.DeallocationStack; fiber->stack_base = stack.StackBase; fiber->stack_limit = stack.StackLimit; fiber->param = param; fiber->except = (void *)-1; fiber->start = start; fiber->flags = flags; init_fiber_context( fiber ); return fiber; } /*********************************************************************** * ConvertFiberToThread (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH ConvertFiberToThread(void) { struct fiber_data *fiber = NtCurrentTeb()->Tib.u.FiberData; if (fiber) { NtCurrentTeb()->Tib.u.FiberData = NULL; HeapFree( GetProcessHeap(), 0, fiber ); } return TRUE; } /*********************************************************************** * ConvertThreadToFiber (kernelbase.@) */ LPVOID WINAPI DECLSPEC_HOTPATCH ConvertThreadToFiber( LPVOID param ) { return ConvertThreadToFiberEx( param, 0 ); } /*********************************************************************** * ConvertThreadToFiberEx (kernelbase.@) */ LPVOID WINAPI DECLSPEC_HOTPATCH ConvertThreadToFiberEx( LPVOID param, DWORD flags ) { struct fiber_data *fiber; if (!(fiber = HeapAlloc( GetProcessHeap(), 0, sizeof(*fiber) ))) { SetLastError( ERROR_NOT_ENOUGH_MEMORY ); return NULL; } fiber->param = param; fiber->except = NtCurrentTeb()->Tib.ExceptionList; fiber->stack_base = NtCurrentTeb()->Tib.StackBase; fiber->stack_limit = NtCurrentTeb()->Tib.StackLimit; fiber->stack_allocation = NtCurrentTeb()->DeallocationStack; fiber->start = NULL; fiber->flags = flags; fiber->fls_slots = NtCurrentTeb()->FlsSlots; NtCurrentTeb()->Tib.u.FiberData = fiber; return fiber; } /*********************************************************************** * DeleteFiber (kernelbase.@) */ void WINAPI DECLSPEC_HOTPATCH DeleteFiber( LPVOID fiber_ptr ) { struct fiber_data *fiber = fiber_ptr; if (!fiber) return; if (fiber == NtCurrentTeb()->Tib.u.FiberData) { HeapFree( GetProcessHeap(), 0, fiber ); RtlExitUserThread( 1 ); } RtlFreeUserStack( fiber->stack_allocation ); RtlProcessFlsData( fiber->fls_slots, 3 ); HeapFree( GetProcessHeap(), 0, fiber ); } /*********************************************************************** * IsThreadAFiber (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH IsThreadAFiber(void) { return NtCurrentTeb()->Tib.u.FiberData != NULL; } /*********************************************************************** * SwitchToFiber (kernelbase.@) */ void WINAPI DECLSPEC_HOTPATCH SwitchToFiber( LPVOID fiber ) { struct fiber_data *new_fiber = fiber; struct fiber_data *current_fiber = NtCurrentTeb()->Tib.u.FiberData; current_fiber->except = NtCurrentTeb()->Tib.ExceptionList; current_fiber->stack_limit = NtCurrentTeb()->Tib.StackLimit; current_fiber->fls_slots = NtCurrentTeb()->FlsSlots; /* stack_allocation and stack_base never change */ /* FIXME: should save floating point context if requested in fiber->flags */ NtCurrentTeb()->Tib.u.FiberData = new_fiber; NtCurrentTeb()->Tib.ExceptionList = new_fiber->except; NtCurrentTeb()->Tib.StackBase = new_fiber->stack_base; NtCurrentTeb()->Tib.StackLimit = new_fiber->stack_limit; NtCurrentTeb()->DeallocationStack = new_fiber->stack_allocation; NtCurrentTeb()->FlsSlots = new_fiber->fls_slots; switch_fiber( ¤t_fiber->context, &new_fiber->context ); } /*********************************************************************** * FlsAlloc (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH FlsAlloc( PFLS_CALLBACK_FUNCTION callback ) { DWORD index; if (!set_ntstatus( RtlFlsAlloc( callback, &index ))) return FLS_OUT_OF_INDEXES; return index; } /*********************************************************************** * FlsFree (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH FlsFree( DWORD index ) { return set_ntstatus( RtlFlsFree( index )); } /*********************************************************************** * FlsGetValue (kernelbase.@) */ PVOID WINAPI DECLSPEC_HOTPATCH FlsGetValue( DWORD index ) { void *data; if (!set_ntstatus( RtlFlsGetValue( index, &data ))) return NULL; SetLastError( ERROR_SUCCESS ); return data; } /*********************************************************************** * FlsSetValue (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH FlsSetValue( DWORD index, PVOID data ) { return set_ntstatus( RtlFlsSetValue( index, data )); } /*********************************************************************** * Thread pool ***********************************************************************/ /*********************************************************************** * CallbackMayRunLong (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH CallbackMayRunLong( TP_CALLBACK_INSTANCE *instance ) { return set_ntstatus( TpCallbackMayRunLong( instance )); } /*********************************************************************** * CreateThreadpool (kernelbase.@) */ PTP_POOL WINAPI DECLSPEC_HOTPATCH CreateThreadpool( void *reserved ) { TP_POOL *pool; if (!set_ntstatus( TpAllocPool( &pool, reserved ))) pool = NULL; return pool; } /*********************************************************************** * CreateThreadpoolCleanupGroup (kernelbase.@) */ PTP_CLEANUP_GROUP WINAPI DECLSPEC_HOTPATCH CreateThreadpoolCleanupGroup(void) { TP_CLEANUP_GROUP *group; if (!set_ntstatus( TpAllocCleanupGroup( &group ))) return NULL; return group; } static void WINAPI tp_io_callback( TP_CALLBACK_INSTANCE *instance, void *userdata, void *cvalue, IO_STATUS_BLOCK *iosb, TP_IO *io ) { PTP_WIN32_IO_CALLBACK callback = *(void **)io; callback( instance, userdata, cvalue, RtlNtStatusToDosError( iosb->u.Status ), iosb->Information, io ); } /*********************************************************************** * CreateThreadpoolIo (kernelbase.@) */ PTP_IO WINAPI DECLSPEC_HOTPATCH CreateThreadpoolIo( HANDLE handle, PTP_WIN32_IO_CALLBACK callback, PVOID userdata, TP_CALLBACK_ENVIRON *environment ) { TP_IO *io; if (!set_ntstatus( TpAllocIoCompletion( &io, handle, tp_io_callback, userdata, environment ))) return NULL; *(void **)io = callback; /* ntdll leaves us space to store our callback at the beginning of TP_IO struct */ return io; } /*********************************************************************** * CreateThreadpoolTimer (kernelbase.@) */ PTP_TIMER WINAPI DECLSPEC_HOTPATCH CreateThreadpoolTimer( PTP_TIMER_CALLBACK callback, PVOID userdata, TP_CALLBACK_ENVIRON *environment ) { TP_TIMER *timer; if (!set_ntstatus( TpAllocTimer( &timer, callback, userdata, environment ))) return NULL; return timer; } /*********************************************************************** * CreateThreadpoolWait (kernelbase.@) */ PTP_WAIT WINAPI DECLSPEC_HOTPATCH CreateThreadpoolWait( PTP_WAIT_CALLBACK callback, PVOID userdata, TP_CALLBACK_ENVIRON *environment ) { TP_WAIT *wait; if (!set_ntstatus( TpAllocWait( &wait, callback, userdata, environment ))) return NULL; return wait; } /*********************************************************************** * CreateThreadpoolWork (kernelbase.@) */ PTP_WORK WINAPI DECLSPEC_HOTPATCH CreateThreadpoolWork( PTP_WORK_CALLBACK callback, PVOID userdata, TP_CALLBACK_ENVIRON *environment ) { TP_WORK *work; if (!set_ntstatus( TpAllocWork( &work, callback, userdata, environment ))) return NULL; return work; } /*********************************************************************** * TrySubmitThreadpoolCallback (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH TrySubmitThreadpoolCallback( PTP_SIMPLE_CALLBACK callback, PVOID userdata, TP_CALLBACK_ENVIRON *environment ) { return set_ntstatus( TpSimpleTryPost( callback, userdata, environment )); } /*********************************************************************** * QueueUserWorkItem (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH QueueUserWorkItem( LPTHREAD_START_ROUTINE func, PVOID context, ULONG flags ) { return set_ntstatus( RtlQueueWorkItem( func, context, flags )); } /*********************************************************************** * SetThreadpoolStackInformation (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SetThreadpoolStackInformation( PTP_POOL pool, PTP_POOL_STACK_INFORMATION stack_info ) { return set_ntstatus( TpSetPoolStackInformation( pool, stack_info )); } /*********************************************************************** * QueryThreadpoolStackInformation (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH QueryThreadpoolStackInformation( PTP_POOL pool, PTP_POOL_STACK_INFORMATION stack_info ) { return set_ntstatus( TpQueryPoolStackInformation( pool, stack_info )); }