mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-02 20:13:37 +00:00
1397 lines
46 KiB
C
1397 lines
46 KiB
C
/*
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* WoW64 syscall wrapping
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*
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* Copyright 2021 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winnt.h"
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#include "winternl.h"
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#include "wine/exception.h"
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#include "wine/unixlib.h"
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#include "wine/asm.h"
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#include "wow64_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wow);
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USHORT native_machine = 0;
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USHORT current_machine = 0;
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ULONG_PTR args_alignment = 0;
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ULONG_PTR highest_user_address = 0x7ffeffff;
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ULONG_PTR default_zero_bits = 0x7fffffff;
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typedef NTSTATUS (WINAPI *syscall_thunk)( UINT *args );
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static const syscall_thunk syscall_thunks[] =
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{
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#define SYSCALL_ENTRY(func) wow64_ ## func,
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ALL_SYSCALLS
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#undef SYSCALL_ENTRY
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};
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static const char *syscall_names[] =
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{
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#define SYSCALL_ENTRY(func) #func,
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ALL_SYSCALLS
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#undef SYSCALL_ENTRY
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};
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static const SYSTEM_SERVICE_TABLE ntdll_syscall_table =
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{
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(ULONG_PTR *)syscall_thunks,
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(ULONG_PTR *)syscall_names,
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ARRAY_SIZE(syscall_thunks)
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};
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static SYSTEM_SERVICE_TABLE syscall_tables[4];
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/* header for Wow64AllocTemp blocks; probably not the right layout */
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struct mem_header
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{
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struct mem_header *next;
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void *__pad;
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BYTE data[1];
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};
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/* stack frame for user callbacks */
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struct user_callback_frame
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{
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struct user_callback_frame *prev_frame;
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struct mem_header *temp_list;
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void **ret_ptr;
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ULONG *ret_len;
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NTSTATUS status;
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__wine_jmp_buf jmpbuf;
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};
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/* stack frame for user APCs */
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struct user_apc_frame
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{
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struct user_apc_frame *prev_frame;
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CONTEXT *context;
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void *wow_context;
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};
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SYSTEM_DLL_INIT_BLOCK *pLdrSystemDllInitBlock = NULL;
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/* wow64win syscall table */
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static const SYSTEM_SERVICE_TABLE *psdwhwin32;
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static HMODULE win32u_module;
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static WOW64INFO *wow64info;
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/* cpu backend dll functions */
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/* the function prototypes most likely differ from Windows */
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static void * (WINAPI *pBTCpuGetBopCode)(void);
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static NTSTATUS (WINAPI *pBTCpuGetContext)(HANDLE,HANDLE,void *,void *);
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static BOOLEAN (WINAPI *pBTCpuIsProcessorFeaturePresent)(UINT);
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static void (WINAPI *pBTCpuProcessInit)(void);
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static NTSTATUS (WINAPI *pBTCpuSetContext)(HANDLE,HANDLE,void *,void *);
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static void (WINAPI *pBTCpuThreadInit)(void);
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static void (WINAPI *pBTCpuSimulate)(void);
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static NTSTATUS (WINAPI *pBTCpuResetToConsistentState)( EXCEPTION_POINTERS * );
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static void * (WINAPI *p__wine_get_unix_opcode)(void);
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static void * (WINAPI *pKiRaiseUserExceptionDispatcher)(void);
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void (WINAPI *pBTCpuNotifyFlushInstructionCache2)( const void *, SIZE_T ) = NULL;
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void (WINAPI *pBTCpuNotifyMapViewOfSection)( void * ) = NULL;
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void (WINAPI *pBTCpuNotifyMemoryAlloc)( void *, SIZE_T, ULONG, ULONG ) = NULL;
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void (WINAPI *pBTCpuNotifyMemoryDirty)( void *, SIZE_T ) = NULL;
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void (WINAPI *pBTCpuNotifyMemoryFree)( void *, SIZE_T ) = NULL;
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void (WINAPI *pBTCpuNotifyMemoryProtect)( void *, SIZE_T, ULONG ) = NULL;
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void (WINAPI *pBTCpuNotifyUnmapViewOfSection)( void * ) = NULL;
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void (WINAPI *pBTCpuUpdateProcessorInformation)( SYSTEM_CPU_INFORMATION * ) = NULL;
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void *dummy = RtlUnwind;
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BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, void *reserved )
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{
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if (reason == DLL_PROCESS_ATTACH) LdrDisableThreadCalloutsForDll( inst );
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return TRUE;
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}
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void __cdecl __wine_spec_unimplemented_stub( const char *module, const char *function )
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{
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EXCEPTION_RECORD record;
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record.ExceptionCode = EXCEPTION_WINE_STUB;
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record.ExceptionFlags = EH_NONCONTINUABLE;
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record.ExceptionRecord = NULL;
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record.ExceptionAddress = __wine_spec_unimplemented_stub;
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record.NumberParameters = 2;
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record.ExceptionInformation[0] = (ULONG_PTR)module;
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record.ExceptionInformation[1] = (ULONG_PTR)function;
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for (;;) RtlRaiseException( &record );
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}
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static EXCEPTION_RECORD *exception_record_32to64( const EXCEPTION_RECORD32 *rec32 )
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{
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EXCEPTION_RECORD *rec;
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unsigned int i;
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rec = Wow64AllocateTemp( sizeof(*rec) );
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rec->ExceptionCode = rec32->ExceptionCode;
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rec->ExceptionFlags = rec32->ExceptionFlags;
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rec->ExceptionRecord = rec32->ExceptionRecord ? exception_record_32to64( ULongToPtr(rec32->ExceptionRecord) ) : NULL;
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rec->ExceptionAddress = ULongToPtr( rec32->ExceptionAddress );
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rec->NumberParameters = rec32->NumberParameters;
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for (i = 0; i < EXCEPTION_MAXIMUM_PARAMETERS; i++)
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rec->ExceptionInformation[i] = rec32->ExceptionInformation[i];
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return rec;
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}
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static void exception_record_64to32( EXCEPTION_RECORD32 *rec32, const EXCEPTION_RECORD *rec )
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{
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unsigned int i;
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rec32->ExceptionCode = rec->ExceptionCode;
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rec32->ExceptionFlags = rec->ExceptionFlags;
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rec32->ExceptionRecord = PtrToUlong( rec->ExceptionRecord );
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rec32->ExceptionAddress = PtrToUlong( rec->ExceptionAddress );
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rec32->NumberParameters = rec->NumberParameters;
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for (i = 0; i < rec->NumberParameters; i++)
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rec32->ExceptionInformation[i] = rec->ExceptionInformation[i];
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}
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static NTSTATUS get_context_return_value( void *wow_context )
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{
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switch (current_machine)
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{
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case IMAGE_FILE_MACHINE_I386:
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return ((I386_CONTEXT *)wow_context)->Eax;
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case IMAGE_FILE_MACHINE_ARMNT:
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return ((ARM_CONTEXT *)wow_context)->R0;
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}
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return 0;
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}
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/**********************************************************************
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* call_user_exception_dispatcher
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*/
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static void call_user_exception_dispatcher( EXCEPTION_RECORD32 *rec, void *ctx32_ptr, void *ctx64_ptr )
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{
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switch (current_machine)
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{
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case IMAGE_FILE_MACHINE_I386:
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{
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struct stack_layout
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{
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ULONG rec_ptr; /* first arg for KiUserExceptionDispatcher */
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ULONG context_ptr; /* second arg for KiUserExceptionDispatcher */
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EXCEPTION_RECORD32 rec;
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I386_CONTEXT context;
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} *stack;
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I386_CONTEXT *context, ctx = { CONTEXT_I386_ALL };
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CONTEXT_EX *context_ex, *src_ex = NULL;
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ULONG size, flags;
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pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
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if (ctx32_ptr)
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{
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I386_CONTEXT *ctx32 = ctx32_ptr;
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if ((ctx32->ContextFlags & CONTEXT_I386_XSTATE) == CONTEXT_I386_XSTATE)
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src_ex = (CONTEXT_EX *)(ctx32 + 1);
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}
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else if (native_machine == IMAGE_FILE_MACHINE_AMD64)
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{
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AMD64_CONTEXT *ctx64 = ctx64_ptr;
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if ((ctx64->ContextFlags & CONTEXT_AMD64_FLOATING_POINT) == CONTEXT_AMD64_FLOATING_POINT)
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memcpy( ctx.ExtendedRegisters, &ctx64->FltSave, sizeof(ctx.ExtendedRegisters) );
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if ((ctx64->ContextFlags & CONTEXT_AMD64_XSTATE) == CONTEXT_AMD64_XSTATE)
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src_ex = (CONTEXT_EX *)(ctx64 + 1);
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}
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flags = ctx.ContextFlags;
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if (src_ex) flags |= CONTEXT_I386_XSTATE;
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RtlGetExtendedContextLength( flags, &size );
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size = ((size + 15) & ~15) + offsetof(struct stack_layout,context);
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stack = (struct stack_layout *)(ULONG_PTR)(ctx.Esp - size);
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stack->rec_ptr = PtrToUlong( &stack->rec );
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stack->rec = *rec;
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RtlInitializeExtendedContext( &stack->context, flags, &context_ex );
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context = RtlLocateLegacyContext( context_ex, NULL );
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*context = ctx;
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context->ContextFlags = flags;
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/* adjust Eip for breakpoints in software emulation (hardware exceptions already adjust Rip) */
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if (rec->ExceptionCode == EXCEPTION_BREAKPOINT && (wow64info->CpuFlags & WOW64_CPUFLAGS_SOFTWARE))
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context->Eip--;
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stack->context_ptr = PtrToUlong( context );
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if (src_ex)
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{
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XSTATE *src_xs = (XSTATE *)((char *)src_ex + src_ex->XState.Offset);
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XSTATE *dst_xs = (XSTATE *)((char *)context_ex + context_ex->XState.Offset);
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dst_xs->Mask = src_xs->Mask & ~(ULONG64)3;
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dst_xs->CompactionMask = src_xs->CompactionMask;
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if ((dst_xs->Mask & 4) &&
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src_ex->XState.Length >= sizeof(XSTATE) &&
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context_ex->XState.Length >= sizeof(XSTATE))
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memcpy( &dst_xs->YmmContext, &src_xs->YmmContext, sizeof(dst_xs->YmmContext) );
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}
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ctx.Esp = PtrToUlong( stack );
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ctx.Eip = pLdrSystemDllInitBlock->pKiUserExceptionDispatcher;
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ctx.EFlags &= ~(0x100|0x400|0x40000);
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pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
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TRACE( "exception %08lx dispatcher %08lx stack %08lx eip %08lx\n",
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rec->ExceptionCode, ctx.Eip, ctx.Esp, stack->context.Eip );
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}
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break;
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case IMAGE_FILE_MACHINE_ARMNT:
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{
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struct stack_layout
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{
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ARM_CONTEXT context;
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EXCEPTION_RECORD32 rec;
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} *stack;
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ARM_CONTEXT ctx = { CONTEXT_ARM_ALL };
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pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
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stack = (struct stack_layout *)(ULONG_PTR)(ctx.Sp & ~3) - 1;
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stack->rec = *rec;
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stack->context = ctx;
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ctx.R0 = PtrToUlong( &stack->rec ); /* first arg for KiUserExceptionDispatcher */
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ctx.R1 = PtrToUlong( &stack->context ); /* second arg for KiUserExceptionDispatcher */
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ctx.Sp = PtrToUlong( stack );
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ctx.Pc = pLdrSystemDllInitBlock->pKiUserExceptionDispatcher;
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if (ctx.Pc & 1) ctx.Cpsr |= 0x20;
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else ctx.Cpsr &= ~0x20;
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pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
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TRACE( "exception %08lx dispatcher %08lx stack %08lx pc %08lx\n",
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rec->ExceptionCode, ctx.Pc, ctx.Sp, stack->context.Sp );
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}
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break;
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}
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}
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/**********************************************************************
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* call_raise_user_exception_dispatcher
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*/
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static void call_raise_user_exception_dispatcher( ULONG code )
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{
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TEB32 *teb32 = (TEB32 *)((char *)NtCurrentTeb() + NtCurrentTeb()->WowTebOffset);
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teb32->ExceptionCode = code;
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switch (current_machine)
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{
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case IMAGE_FILE_MACHINE_I386:
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{
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I386_CONTEXT ctx = { CONTEXT_I386_ALL };
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pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
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ctx.Esp -= sizeof(ULONG);
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*(ULONG *)ULongToPtr( ctx.Esp ) = ctx.Eip;
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ctx.Eip = (ULONG_PTR)pKiRaiseUserExceptionDispatcher;
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pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
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}
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break;
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case IMAGE_FILE_MACHINE_ARMNT:
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{
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ARM_CONTEXT ctx = { CONTEXT_ARM_ALL };
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pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
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ctx.Pc = (ULONG_PTR)pKiRaiseUserExceptionDispatcher;
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pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
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}
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break;
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}
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}
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/* based on RtlRaiseException: call NtRaiseException with context setup to return to caller */
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void WINAPI raise_exception( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance ) DECLSPEC_HIDDEN;
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#ifdef __x86_64__
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__ASM_GLOBAL_FUNC( raise_exception,
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"sub $0x28,%rsp\n\t"
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__ASM_SEH(".seh_stackalloc 0x28\n\t")
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__ASM_SEH(".seh_endprologue\n\t")
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__ASM_CFI(".cfi_adjust_cfa_offset 0x28\n\t")
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"movq %rcx,(%rsp)\n\t"
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"movq %rdx,%rcx\n\t"
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"call " __ASM_NAME("RtlCaptureContext") "\n\t"
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"leaq 0x30(%rsp),%rax\n\t" /* orig stack pointer */
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"movq %rax,0x98(%rdx)\n\t" /* context->Rsp */
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"movq (%rsp),%rcx\n\t" /* original first parameter */
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"movq 0x28(%rsp),%rax\n\t" /* return address */
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"movq %rax,0xf8(%rdx)\n\t" /* context->Rip */
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"call " __ASM_NAME("NtRaiseException") )
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#elif defined(__aarch64__)
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__ASM_GLOBAL_FUNC( raise_exception,
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"stp x29, x30, [sp, #-32]!\n\t"
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__ASM_SEH(".seh_save_fplr_x 32\n\t")
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__ASM_SEH(".seh_endprologue\n\t")
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__ASM_CFI(".cfi_def_cfa x29, 32\n\t")
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__ASM_CFI(".cfi_offset x30, -24\n\t")
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__ASM_CFI(".cfi_offset x29, -32\n\t")
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"mov x29, sp\n\t"
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"stp x0, x1, [sp, #16]\n\t"
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"mov x0, x1\n\t"
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"bl " __ASM_NAME("RtlCaptureContext") "\n\t"
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"ldp x0, x1, [sp, #16]\n\t" /* orig parameters */
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"ldp x4, x5, [sp]\n\t" /* frame pointer, return address */
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"stp x4, x5, [x1, #0xf0]\n\t" /* context->Fp, Lr */
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"add x4, sp, #32\n\t" /* orig stack pointer */
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"stp x4, x5, [x1, #0x100]\n\t" /* context->Sp, Pc */
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"bl " __ASM_NAME("NtRaiseException") )
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#endif
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/**********************************************************************
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* wow64_NtAddAtom
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*/
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NTSTATUS WINAPI wow64_NtAddAtom( UINT *args )
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{
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const WCHAR *name = get_ptr( &args );
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ULONG len = get_ulong( &args );
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RTL_ATOM *atom = get_ptr( &args );
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return NtAddAtom( name, len, atom );
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}
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/**********************************************************************
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* wow64_NtAllocateLocallyUniqueId
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*/
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NTSTATUS WINAPI wow64_NtAllocateLocallyUniqueId( UINT *args )
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{
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LUID *luid = get_ptr( &args );
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return NtAllocateLocallyUniqueId( luid );
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}
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/**********************************************************************
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* wow64_NtAllocateUuids
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*/
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NTSTATUS WINAPI wow64_NtAllocateUuids( UINT *args )
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{
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ULARGE_INTEGER *time = get_ptr( &args );
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ULONG *delta = get_ptr( &args );
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ULONG *sequence = get_ptr( &args );
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UCHAR *seed = get_ptr( &args );
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return NtAllocateUuids( time, delta, sequence, seed );
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}
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|
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/***********************************************************************
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* wow64_NtCallbackReturn
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*/
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NTSTATUS WINAPI wow64_NtCallbackReturn( UINT *args )
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{
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void *ret_ptr = get_ptr( &args );
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ULONG ret_len = get_ulong( &args );
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NTSTATUS status = get_ulong( &args );
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struct user_callback_frame *frame = NtCurrentTeb()->TlsSlots[WOW64_TLS_USERCALLBACKDATA];
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if (!frame) return STATUS_NO_CALLBACK_ACTIVE;
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*frame->ret_ptr = ret_ptr;
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*frame->ret_len = ret_len;
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frame->status = status;
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__wine_longjmp( &frame->jmpbuf, 1 );
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}
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/**********************************************************************
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* wow64_NtClose
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*/
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NTSTATUS WINAPI wow64_NtClose( UINT *args )
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{
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HANDLE handle = get_handle( &args );
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return NtClose( handle );
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}
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/**********************************************************************
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* wow64_NtContinue
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*/
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NTSTATUS WINAPI wow64_NtContinue( UINT *args )
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{
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void *context = get_ptr( &args );
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BOOLEAN alertable = get_ulong( &args );
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NTSTATUS status = get_context_return_value( context );
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struct user_apc_frame *frame = NtCurrentTeb()->TlsSlots[WOW64_TLS_APCLIST];
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pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, context );
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while (frame && frame->wow_context != context) frame = frame->prev_frame;
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NtCurrentTeb()->TlsSlots[WOW64_TLS_APCLIST] = frame ? frame->prev_frame : NULL;
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if (frame) NtContinue( frame->context, alertable );
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if (alertable) NtTestAlert();
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return status;
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}
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/**********************************************************************
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* wow64_NtDeleteAtom
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*/
|
|
NTSTATUS WINAPI wow64_NtDeleteAtom( UINT *args )
|
|
{
|
|
RTL_ATOM atom = get_ulong( &args );
|
|
|
|
return NtDeleteAtom( atom );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtFindAtom
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtFindAtom( UINT *args )
|
|
{
|
|
const WCHAR *name = get_ptr( &args );
|
|
ULONG len = get_ulong( &args );
|
|
RTL_ATOM *atom = get_ptr( &args );
|
|
|
|
return NtFindAtom( name, len, atom );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtGetContextThread
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtGetContextThread( UINT *args )
|
|
{
|
|
HANDLE handle = get_handle( &args );
|
|
WOW64_CONTEXT *context = get_ptr( &args );
|
|
|
|
return RtlWow64GetThreadContext( handle, context );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtGetCurrentProcessorNumber
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtGetCurrentProcessorNumber( UINT *args )
|
|
{
|
|
return NtGetCurrentProcessorNumber();
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtQueryDefaultLocale
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtQueryDefaultLocale( UINT *args )
|
|
{
|
|
BOOLEAN user = get_ulong( &args );
|
|
LCID *lcid = get_ptr( &args );
|
|
|
|
return NtQueryDefaultLocale( user, lcid );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtQueryDefaultUILanguage
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtQueryDefaultUILanguage( UINT *args )
|
|
{
|
|
LANGID *lang = get_ptr( &args );
|
|
|
|
return NtQueryDefaultUILanguage( lang );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtQueryInformationAtom
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtQueryInformationAtom( UINT *args )
|
|
{
|
|
RTL_ATOM atom = get_ulong( &args );
|
|
ATOM_INFORMATION_CLASS class = get_ulong( &args );
|
|
void *info = get_ptr( &args );
|
|
ULONG len = get_ulong( &args );
|
|
ULONG *retlen = get_ptr( &args );
|
|
|
|
if (class != AtomBasicInformation) FIXME( "class %u not supported\n", class );
|
|
return NtQueryInformationAtom( atom, class, info, len, retlen );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtQueryInstallUILanguage
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtQueryInstallUILanguage( UINT *args )
|
|
{
|
|
LANGID *lang = get_ptr( &args );
|
|
|
|
return NtQueryInstallUILanguage( lang );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtRaiseException
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtRaiseException( UINT *args )
|
|
{
|
|
EXCEPTION_RECORD32 *rec32 = get_ptr( &args );
|
|
void *context32 = get_ptr( &args );
|
|
BOOL first_chance = get_ulong( &args );
|
|
|
|
EXCEPTION_RECORD *rec = exception_record_32to64( rec32 );
|
|
CONTEXT context;
|
|
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, context32 );
|
|
|
|
__TRY
|
|
{
|
|
raise_exception( rec, &context, first_chance );
|
|
}
|
|
__EXCEPT_ALL
|
|
{
|
|
call_user_exception_dispatcher( rec32, context32, &context );
|
|
}
|
|
__ENDTRY
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtSetContextThread
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtSetContextThread( UINT *args )
|
|
{
|
|
HANDLE handle = get_handle( &args );
|
|
WOW64_CONTEXT *context = get_ptr( &args );
|
|
|
|
return RtlWow64SetThreadContext( handle, context );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtSetDebugFilterState
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtSetDebugFilterState( UINT *args )
|
|
{
|
|
ULONG component_id = get_ulong( &args );
|
|
ULONG level = get_ulong( &args );
|
|
BOOLEAN state = get_ulong( &args );
|
|
|
|
return NtSetDebugFilterState( component_id, level, state );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtSetDefaultLocale
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtSetDefaultLocale( UINT *args )
|
|
{
|
|
BOOLEAN user = get_ulong( &args );
|
|
LCID lcid = get_ulong( &args );
|
|
|
|
return NtSetDefaultLocale( user, lcid );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtSetDefaultUILanguage
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtSetDefaultUILanguage( UINT *args )
|
|
{
|
|
LANGID lang = get_ulong( &args );
|
|
|
|
return NtSetDefaultUILanguage( lang );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* wow64_NtWow64IsProcessorFeaturePresent
|
|
*/
|
|
NTSTATUS WINAPI wow64_NtWow64IsProcessorFeaturePresent( UINT *args )
|
|
{
|
|
UINT feature = get_ulong( &args );
|
|
|
|
return pBTCpuIsProcessorFeaturePresent && pBTCpuIsProcessorFeaturePresent( feature );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* get_syscall_num
|
|
*/
|
|
static DWORD get_syscall_num( const BYTE *syscall )
|
|
{
|
|
WORD *arm_syscall = (WORD *)((ULONG_PTR)syscall & ~1);
|
|
DWORD id = ~0u;
|
|
|
|
if (!syscall) return id;
|
|
switch (current_machine)
|
|
{
|
|
case IMAGE_FILE_MACHINE_I386:
|
|
if (syscall[0] == 0xb8 && syscall[5] == 0xba && syscall[10] == 0xff && syscall[11] == 0xd2)
|
|
id = *(DWORD *)(syscall + 1);
|
|
break;
|
|
|
|
case IMAGE_FILE_MACHINE_ARMNT:
|
|
if (*arm_syscall == 0xb40f)
|
|
{
|
|
DWORD inst = *(DWORD *)(arm_syscall + 1);
|
|
id = ((inst << 1) & 0x0800) + ((inst << 12) & 0xf000) +
|
|
((inst >> 20) & 0x0700) + ((inst >> 16) & 0x00ff);
|
|
}
|
|
break;
|
|
}
|
|
return id;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* get_rva
|
|
*/
|
|
static void *get_rva( const IMAGE_NT_HEADERS *nt, HMODULE module, DWORD rva,
|
|
IMAGE_SECTION_HEADER **section, BOOL image )
|
|
{
|
|
if (image) return (void *)((char *)module + rva);
|
|
return RtlImageRvaToVa( nt, module, rva, section );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* init_syscall_table
|
|
*/
|
|
static void init_syscall_table( HMODULE module, ULONG idx, const SYSTEM_SERVICE_TABLE *orig_table, BOOL image )
|
|
{
|
|
static syscall_thunk thunks[2048];
|
|
static ULONG start_pos;
|
|
|
|
const IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module );
|
|
IMAGE_SECTION_HEADER *section = NULL;
|
|
const IMAGE_EXPORT_DIRECTORY *exports;
|
|
const ULONG *functions, *names;
|
|
const USHORT *ordinals;
|
|
ULONG id, exp_size, exp_pos, wrap_pos, max_pos = 0;
|
|
const char **syscall_names = (const char **)orig_table->CounterTable;
|
|
|
|
exports = RtlImageDirectoryEntryToData( module, image, IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size );
|
|
ordinals = get_rva( nt, module, exports->AddressOfNameOrdinals, §ion, image );
|
|
functions = get_rva( nt, module, exports->AddressOfFunctions, §ion, image );
|
|
names = get_rva( nt, module, exports->AddressOfNames, §ion, image );
|
|
|
|
for (exp_pos = wrap_pos = 0; exp_pos < exports->NumberOfNames; exp_pos++)
|
|
{
|
|
char *name = get_rva( nt, module, names[exp_pos], §ion, image );
|
|
int res = -1;
|
|
|
|
if (strncmp( name, "Nt", 2 ) && strncmp( name, "wine", 4 ) && strncmp( name, "__wine", 6 ))
|
|
continue; /* not a syscall */
|
|
|
|
id = get_syscall_num( get_rva( nt, module, functions[ordinals[exp_pos]], §ion, image ));
|
|
if (id == ~0u) continue; /* not a syscall */
|
|
|
|
if (wrap_pos < orig_table->ServiceLimit) res = strcmp( name, syscall_names[wrap_pos] );
|
|
|
|
if (!res) /* got a match */
|
|
{
|
|
ULONG table_idx = (id >> 12) & 3, table_pos = id & 0xfff;
|
|
if (table_idx == idx)
|
|
{
|
|
if (start_pos + table_pos < ARRAY_SIZE(thunks))
|
|
{
|
|
thunks[start_pos + table_pos] = (syscall_thunk)orig_table->ServiceTable[wrap_pos++];
|
|
max_pos = max( table_pos, max_pos );
|
|
}
|
|
else ERR( "invalid syscall id %04lx for %s\n", id, name );
|
|
}
|
|
else ERR( "wrong syscall table id %04lx for %s\n", id, name );
|
|
}
|
|
else if (res > 0)
|
|
{
|
|
FIXME( "no export for syscall %s\n", syscall_names[wrap_pos] );
|
|
wrap_pos++;
|
|
exp_pos--; /* try again */
|
|
}
|
|
else FIXME( "missing wrapper for syscall %04lx %s\n", id, name );
|
|
}
|
|
|
|
for ( ; wrap_pos < orig_table->ServiceLimit; wrap_pos++)
|
|
FIXME( "no export for syscall %s\n", syscall_names[wrap_pos] );
|
|
|
|
syscall_tables[idx].ServiceTable = (ULONG_PTR *)(thunks + start_pos);
|
|
syscall_tables[idx].ServiceLimit = max_pos + 1;
|
|
start_pos += max_pos + 1;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* init_image_mapping
|
|
*/
|
|
void init_image_mapping( HMODULE module )
|
|
{
|
|
void **ptr = RtlFindExportedRoutineByName( module, "Wow64Transition" );
|
|
|
|
if (!ptr) return;
|
|
*ptr = pBTCpuGetBopCode();
|
|
if (!win32u_module && RtlFindExportedRoutineByName( module, "NtUserInitializeClientPfnArrays" ))
|
|
{
|
|
win32u_module = module;
|
|
init_syscall_table( win32u_module, 1, psdwhwin32, TRUE );
|
|
}
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* load_32bit_module
|
|
*/
|
|
static HMODULE load_32bit_module( const WCHAR *name, WORD machine, BOOL image )
|
|
{
|
|
NTSTATUS status;
|
|
OBJECT_ATTRIBUTES attr;
|
|
IO_STATUS_BLOCK io;
|
|
LARGE_INTEGER size;
|
|
UNICODE_STRING str;
|
|
SIZE_T len = 0;
|
|
void *ptr = NULL;
|
|
HANDLE handle, mapping;
|
|
WCHAR path[MAX_PATH];
|
|
const WCHAR *dir = get_machine_wow64_dir( machine );
|
|
|
|
swprintf( path, MAX_PATH, L"%s\\%s", dir, name );
|
|
RtlInitUnicodeString( &str, path );
|
|
InitializeObjectAttributes( &attr, &str, OBJ_CASE_INSENSITIVE, 0, NULL );
|
|
|
|
status = NtOpenFile( &handle, GENERIC_READ | SYNCHRONIZE, &attr, &io,
|
|
FILE_SHARE_READ | FILE_SHARE_DELETE,
|
|
FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE );
|
|
if (status) return NULL;
|
|
|
|
size.QuadPart = 0;
|
|
status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY |
|
|
SECTION_MAP_READ | SECTION_MAP_EXECUTE, NULL,
|
|
&size, PAGE_EXECUTE_READ, image ? SEC_IMAGE : SEC_COMMIT, handle );
|
|
NtClose( handle );
|
|
if (status) return NULL;
|
|
|
|
status = NtMapViewOfSection( mapping, NtCurrentProcess(), &ptr, 0, 0, NULL, &len,
|
|
ViewShare, 0, PAGE_EXECUTE_READ );
|
|
NtClose( mapping );
|
|
if (!NT_SUCCESS( status )) ptr = NULL;
|
|
return ptr;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* load_64bit_module
|
|
*/
|
|
static HMODULE load_64bit_module( const WCHAR *name )
|
|
{
|
|
NTSTATUS status;
|
|
HMODULE module;
|
|
UNICODE_STRING str;
|
|
WCHAR path[MAX_PATH];
|
|
const WCHAR *dir = get_machine_wow64_dir( IMAGE_FILE_MACHINE_TARGET_HOST );
|
|
|
|
swprintf( path, MAX_PATH, L"%s\\%s", dir, name );
|
|
RtlInitUnicodeString( &str, path );
|
|
if ((status = LdrLoadDll( dir, 0, &str, &module )))
|
|
{
|
|
ERR( "failed to load dll %lx\n", status );
|
|
NtTerminateProcess( GetCurrentProcess(), status );
|
|
}
|
|
return module;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* get_cpu_dll_name
|
|
*/
|
|
static const WCHAR *get_cpu_dll_name(void)
|
|
{
|
|
static ULONG buffer[32];
|
|
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
|
|
OBJECT_ATTRIBUTES attr;
|
|
UNICODE_STRING nameW;
|
|
const WCHAR *ret;
|
|
HANDLE key;
|
|
ULONG size;
|
|
|
|
switch (current_machine)
|
|
{
|
|
case IMAGE_FILE_MACHINE_I386:
|
|
RtlInitUnicodeString( &nameW, L"\\Registry\\Machine\\Software\\Microsoft\\Wow64\\x86" );
|
|
ret = (native_machine == IMAGE_FILE_MACHINE_ARM64 ? L"xtajit.dll" : L"wow64cpu.dll");
|
|
break;
|
|
case IMAGE_FILE_MACHINE_ARMNT:
|
|
RtlInitUnicodeString( &nameW, L"\\Registry\\Machine\\Software\\Microsoft\\Wow64\\arm" );
|
|
ret = L"wowarmhw.dll";
|
|
break;
|
|
default:
|
|
ERR( "unsupported machine %04x\n", current_machine );
|
|
RtlExitUserProcess( 1 );
|
|
}
|
|
InitializeObjectAttributes( &attr, &nameW, OBJ_CASE_INSENSITIVE, 0, NULL );
|
|
if (NtOpenKey( &key, KEY_READ | KEY_WOW64_64KEY, &attr )) return ret;
|
|
RtlInitUnicodeString( &nameW, L"" );
|
|
size = sizeof(buffer) - sizeof(WCHAR);
|
|
if (!NtQueryValueKey( key, &nameW, KeyValuePartialInformation, buffer, size, &size ) && info->Type == REG_SZ)
|
|
{
|
|
((WCHAR *)info->Data)[info->DataLength / sizeof(WCHAR)] = 0;
|
|
ret = (WCHAR *)info->Data;
|
|
}
|
|
NtClose( key );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* process_init
|
|
*/
|
|
static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **context )
|
|
{
|
|
PEB32 *peb32;
|
|
HMODULE module, ntdll;
|
|
UNICODE_STRING str = RTL_CONSTANT_STRING( L"ntdll.dll" );
|
|
SYSTEM_BASIC_INFORMATION info;
|
|
|
|
RtlWow64GetProcessMachines( GetCurrentProcess(), ¤t_machine, &native_machine );
|
|
if (!current_machine) current_machine = native_machine;
|
|
args_alignment = (current_machine == IMAGE_FILE_MACHINE_I386) ? sizeof(ULONG) : sizeof(ULONG64);
|
|
NtQuerySystemInformation( SystemEmulationBasicInformation, &info, sizeof(info), NULL );
|
|
highest_user_address = (ULONG_PTR)info.HighestUserAddress;
|
|
default_zero_bits = (ULONG_PTR)info.HighestUserAddress | 0x7fffffff;
|
|
NtQueryInformationProcess( GetCurrentProcess(), ProcessWow64Information, &peb32, sizeof(peb32), NULL );
|
|
wow64info = (WOW64INFO *)(peb32 + 1);
|
|
wow64info->NativeSystemPageSize = 0x1000;
|
|
wow64info->NativeMachineType = native_machine;
|
|
wow64info->EmulatedMachineType = current_machine;
|
|
NtCurrentTeb()->TlsSlots[WOW64_TLS_WOW64INFO] = wow64info;
|
|
|
|
#define GET_PTR(name) p ## name = RtlFindExportedRoutineByName( module, #name )
|
|
|
|
LdrGetDllHandle( NULL, 0, &str, &module );
|
|
GET_PTR( LdrSystemDllInitBlock );
|
|
|
|
module = load_64bit_module( get_cpu_dll_name() );
|
|
GET_PTR( BTCpuGetBopCode );
|
|
GET_PTR( BTCpuGetContext );
|
|
GET_PTR( BTCpuIsProcessorFeaturePresent );
|
|
GET_PTR( BTCpuProcessInit );
|
|
GET_PTR( BTCpuThreadInit );
|
|
GET_PTR( BTCpuResetToConsistentState );
|
|
GET_PTR( BTCpuSetContext );
|
|
GET_PTR( BTCpuSimulate );
|
|
GET_PTR( BTCpuNotifyFlushInstructionCache2 );
|
|
GET_PTR( BTCpuNotifyMapViewOfSection );
|
|
GET_PTR( BTCpuNotifyMemoryAlloc );
|
|
GET_PTR( BTCpuNotifyMemoryDirty );
|
|
GET_PTR( BTCpuNotifyMemoryFree );
|
|
GET_PTR( BTCpuNotifyMemoryProtect );
|
|
GET_PTR( BTCpuNotifyUnmapViewOfSection );
|
|
GET_PTR( BTCpuUpdateProcessorInformation );
|
|
GET_PTR( __wine_get_unix_opcode );
|
|
|
|
module = load_64bit_module( L"wow64win.dll" );
|
|
GET_PTR( sdwhwin32 );
|
|
|
|
pBTCpuProcessInit();
|
|
|
|
module = (HMODULE)(ULONG_PTR)pLdrSystemDllInitBlock->ntdll_handle;
|
|
init_image_mapping( module );
|
|
*(void **)RtlFindExportedRoutineByName( module, "__wine_syscall_dispatcher" ) = pBTCpuGetBopCode();
|
|
*(void **)RtlFindExportedRoutineByName( module, "__wine_unix_call_dispatcher" ) = p__wine_get_unix_opcode();
|
|
GET_PTR( KiRaiseUserExceptionDispatcher );
|
|
|
|
if ((ntdll = load_32bit_module( L"ntdll.dll", current_machine, FALSE )))
|
|
{
|
|
init_syscall_table( ntdll, 0, &ntdll_syscall_table, FALSE );
|
|
NtUnmapViewOfSection( NtCurrentProcess(), ntdll );
|
|
}
|
|
else init_syscall_table( module, 0, &ntdll_syscall_table, TRUE );
|
|
|
|
init_file_redirects();
|
|
return TRUE;
|
|
|
|
#undef GET_PTR
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* thread_init
|
|
*/
|
|
static void thread_init(void)
|
|
{
|
|
void *cpu_area_ctx;
|
|
|
|
RtlWow64GetCurrentCpuArea( NULL, &cpu_area_ctx, NULL );
|
|
NtCurrentTeb()->TlsSlots[WOW64_TLS_WOW64INFO] = wow64info;
|
|
if (pBTCpuThreadInit) pBTCpuThreadInit();
|
|
|
|
/* update initial context to jump to 32-bit LdrInitializeThunk (cf. 32-bit call_init_thunk) */
|
|
switch (current_machine)
|
|
{
|
|
case IMAGE_FILE_MACHINE_I386:
|
|
{
|
|
I386_CONTEXT *ctx_ptr, *ctx = cpu_area_ctx;
|
|
ULONG *stack;
|
|
|
|
ctx_ptr = (I386_CONTEXT *)ULongToPtr( ctx->Esp ) - 1;
|
|
*ctx_ptr = *ctx;
|
|
|
|
stack = (ULONG *)ctx_ptr;
|
|
*(--stack) = 0;
|
|
*(--stack) = 0;
|
|
*(--stack) = 0;
|
|
*(--stack) = PtrToUlong( ctx_ptr );
|
|
*(--stack) = 0xdeadbabe;
|
|
ctx->Esp = PtrToUlong( stack );
|
|
ctx->Eip = pLdrSystemDllInitBlock->pLdrInitializeThunk;
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, ctx );
|
|
}
|
|
break;
|
|
|
|
case IMAGE_FILE_MACHINE_ARMNT:
|
|
{
|
|
ARM_CONTEXT *ctx_ptr, *ctx = cpu_area_ctx;
|
|
|
|
ctx_ptr = (ARM_CONTEXT *)ULongToPtr( ctx->Sp & ~15 ) - 1;
|
|
*ctx_ptr = *ctx;
|
|
|
|
ctx->R0 = PtrToUlong( ctx_ptr );
|
|
ctx->Sp = PtrToUlong( ctx_ptr );
|
|
ctx->Pc = pLdrSystemDllInitBlock->pLdrInitializeThunk;
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, ctx );
|
|
}
|
|
break;
|
|
|
|
default:
|
|
ERR( "not supported machine %x\n", current_machine );
|
|
NtTerminateProcess( GetCurrentProcess(), STATUS_INVALID_IMAGE_FORMAT );
|
|
}
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* free_temp_data
|
|
*/
|
|
static void free_temp_data(void)
|
|
{
|
|
struct mem_header *next, *mem;
|
|
|
|
for (mem = NtCurrentTeb()->TlsSlots[WOW64_TLS_TEMPLIST]; mem; mem = next)
|
|
{
|
|
next = mem->next;
|
|
RtlFreeHeap( GetProcessHeap(), 0, mem );
|
|
}
|
|
NtCurrentTeb()->TlsSlots[WOW64_TLS_TEMPLIST] = NULL;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* syscall_filter
|
|
*/
|
|
static LONG CALLBACK syscall_filter( EXCEPTION_POINTERS *ptrs )
|
|
{
|
|
switch (ptrs->ExceptionRecord->ExceptionCode)
|
|
{
|
|
case STATUS_INVALID_HANDLE:
|
|
call_raise_user_exception_dispatcher( ptrs->ExceptionRecord->ExceptionCode );
|
|
break;
|
|
}
|
|
return EXCEPTION_EXECUTE_HANDLER;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Wow64SystemServiceEx (wow64.@)
|
|
*/
|
|
NTSTATUS WINAPI Wow64SystemServiceEx( UINT num, UINT *args )
|
|
{
|
|
NTSTATUS status;
|
|
UINT id = num & 0xfff;
|
|
const SYSTEM_SERVICE_TABLE *table = &syscall_tables[(num >> 12) & 3];
|
|
|
|
if (id >= table->ServiceLimit || !table->ServiceTable[id])
|
|
{
|
|
ERR( "unsupported syscall %04x\n", num );
|
|
return STATUS_INVALID_SYSTEM_SERVICE;
|
|
}
|
|
__TRY
|
|
{
|
|
syscall_thunk thunk = (syscall_thunk)table->ServiceTable[id];
|
|
status = thunk( args );
|
|
}
|
|
__EXCEPT( syscall_filter )
|
|
{
|
|
status = GetExceptionCode();
|
|
}
|
|
__ENDTRY
|
|
free_temp_data();
|
|
return status;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* simulate_filter
|
|
*/
|
|
static LONG CALLBACK simulate_filter( EXCEPTION_POINTERS *ptrs )
|
|
{
|
|
Wow64PassExceptionToGuest( ptrs );
|
|
return EXCEPTION_EXECUTE_HANDLER;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* cpu_simulate
|
|
*/
|
|
static void cpu_simulate(void)
|
|
{
|
|
for (;;)
|
|
{
|
|
__TRY
|
|
{
|
|
pBTCpuSimulate();
|
|
}
|
|
__EXCEPT( simulate_filter )
|
|
{
|
|
/* restart simulation loop */
|
|
}
|
|
__ENDTRY
|
|
}
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Wow64AllocateTemp (wow64.@)
|
|
*
|
|
* FIXME: probably not 100% compatible.
|
|
*/
|
|
void * WINAPI Wow64AllocateTemp( SIZE_T size )
|
|
{
|
|
struct mem_header *mem;
|
|
|
|
if (!(mem = RtlAllocateHeap( GetProcessHeap(), 0, offsetof( struct mem_header, data[size] ))))
|
|
return NULL;
|
|
mem->next = NtCurrentTeb()->TlsSlots[WOW64_TLS_TEMPLIST];
|
|
NtCurrentTeb()->TlsSlots[WOW64_TLS_TEMPLIST] = mem;
|
|
return mem->data;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Wow64ApcRoutine (wow64.@)
|
|
*/
|
|
void WINAPI Wow64ApcRoutine( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3, CONTEXT *context )
|
|
{
|
|
struct user_apc_frame frame;
|
|
|
|
frame.prev_frame = NtCurrentTeb()->TlsSlots[WOW64_TLS_APCLIST];
|
|
frame.context = context;
|
|
NtCurrentTeb()->TlsSlots[WOW64_TLS_APCLIST] = &frame;
|
|
|
|
/* cf. 32-bit call_user_apc_dispatcher */
|
|
switch (current_machine)
|
|
{
|
|
case IMAGE_FILE_MACHINE_I386:
|
|
{
|
|
struct apc_stack_layout
|
|
{
|
|
ULONG ret;
|
|
ULONG context_ptr;
|
|
ULONG arg1;
|
|
ULONG arg2;
|
|
ULONG arg3;
|
|
ULONG func;
|
|
I386_CONTEXT context;
|
|
} *stack;
|
|
I386_CONTEXT ctx = { CONTEXT_I386_FULL };
|
|
|
|
pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
|
|
stack = (struct apc_stack_layout *)ULongToPtr( ctx.Esp & ~3 ) - 1;
|
|
stack->context_ptr = PtrToUlong( &stack->context );
|
|
stack->func = arg1 >> 32;
|
|
stack->arg1 = arg1;
|
|
stack->arg2 = arg2;
|
|
stack->arg3 = arg3;
|
|
stack->context = ctx;
|
|
ctx.Esp = PtrToUlong( stack );
|
|
ctx.Eip = pLdrSystemDllInitBlock->pKiUserApcDispatcher;
|
|
frame.wow_context = &stack->context;
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
|
|
cpu_simulate();
|
|
}
|
|
break;
|
|
|
|
case IMAGE_FILE_MACHINE_ARMNT:
|
|
{
|
|
struct apc_stack_layout
|
|
{
|
|
ULONG func;
|
|
ULONG align[3];
|
|
ARM_CONTEXT context;
|
|
} *stack;
|
|
ARM_CONTEXT ctx = { CONTEXT_ARM_FULL };
|
|
|
|
pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
|
|
stack = (struct apc_stack_layout *)ULongToPtr( ctx.Sp & ~15 ) - 1;
|
|
stack->func = arg1 >> 32;
|
|
stack->context = ctx;
|
|
ctx.Sp = PtrToUlong( stack );
|
|
ctx.Pc = pLdrSystemDllInitBlock->pKiUserApcDispatcher;
|
|
ctx.R0 = PtrToUlong( &stack->context );
|
|
ctx.R1 = arg1;
|
|
ctx.R2 = arg2;
|
|
ctx.R3 = arg3;
|
|
frame.wow_context = &stack->context;
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
|
|
cpu_simulate();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Wow64KiUserCallbackDispatcher (wow64.@)
|
|
*/
|
|
NTSTATUS WINAPI Wow64KiUserCallbackDispatcher( ULONG id, void *args, ULONG len,
|
|
void **ret_ptr, ULONG *ret_len )
|
|
{
|
|
WOW64_CPURESERVED *cpu = NtCurrentTeb()->TlsSlots[WOW64_TLS_CPURESERVED];
|
|
TEB32 *teb32 = (TEB32 *)((char *)NtCurrentTeb() + NtCurrentTeb()->WowTebOffset);
|
|
ULONG teb_frame = teb32->Tib.ExceptionList;
|
|
struct user_callback_frame frame;
|
|
USHORT flags = cpu->Flags;
|
|
|
|
frame.prev_frame = NtCurrentTeb()->TlsSlots[WOW64_TLS_USERCALLBACKDATA];
|
|
frame.temp_list = NtCurrentTeb()->TlsSlots[WOW64_TLS_TEMPLIST];
|
|
frame.ret_ptr = ret_ptr;
|
|
frame.ret_len = ret_len;
|
|
|
|
NtCurrentTeb()->TlsSlots[WOW64_TLS_USERCALLBACKDATA] = &frame;
|
|
NtCurrentTeb()->TlsSlots[WOW64_TLS_TEMPLIST] = NULL;
|
|
|
|
/* cf. 32-bit KeUserModeCallback */
|
|
switch (current_machine)
|
|
{
|
|
case IMAGE_FILE_MACHINE_I386:
|
|
{
|
|
I386_CONTEXT orig_ctx, ctx = { CONTEXT_I386_FULL };
|
|
void *args_data;
|
|
ULONG *stack;
|
|
|
|
pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
|
|
orig_ctx = ctx;
|
|
|
|
stack = args_data = ULongToPtr( (ctx.Esp - len) & ~15 );
|
|
memcpy( args_data, args, len );
|
|
*(--stack) = 0;
|
|
*(--stack) = len;
|
|
*(--stack) = PtrToUlong( args_data );
|
|
*(--stack) = id;
|
|
*(--stack) = 0xdeadbabe;
|
|
|
|
ctx.Esp = PtrToUlong( stack );
|
|
ctx.Eip = pLdrSystemDllInitBlock->pKiUserCallbackDispatcher;
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
|
|
|
|
if (!__wine_setjmpex( &frame.jmpbuf, NULL ))
|
|
cpu_simulate();
|
|
else
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &orig_ctx );
|
|
}
|
|
break;
|
|
|
|
case IMAGE_FILE_MACHINE_ARMNT:
|
|
{
|
|
ARM_CONTEXT orig_ctx, ctx = { CONTEXT_ARM_FULL };
|
|
void *args_data;
|
|
|
|
pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
|
|
orig_ctx = ctx;
|
|
|
|
args_data = ULongToPtr( (ctx.Sp - len) & ~15 );
|
|
memcpy( args_data, args, len );
|
|
|
|
ctx.R0 = id;
|
|
ctx.R1 = PtrToUlong( args_data );
|
|
ctx.R2 = len;
|
|
ctx.Sp = PtrToUlong( args_data );
|
|
ctx.Pc = pLdrSystemDllInitBlock->pKiUserCallbackDispatcher;
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx );
|
|
|
|
if (!__wine_setjmpex( &frame.jmpbuf, NULL ))
|
|
cpu_simulate();
|
|
else
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &orig_ctx );
|
|
}
|
|
break;
|
|
}
|
|
|
|
teb32->Tib.ExceptionList = teb_frame;
|
|
NtCurrentTeb()->TlsSlots[WOW64_TLS_USERCALLBACKDATA] = frame.prev_frame;
|
|
NtCurrentTeb()->TlsSlots[WOW64_TLS_TEMPLIST] = frame.temp_list;
|
|
cpu->Flags = flags;
|
|
return frame.status;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Wow64LdrpInitialize (wow64.@)
|
|
*/
|
|
void WINAPI Wow64LdrpInitialize( CONTEXT *context )
|
|
{
|
|
static RTL_RUN_ONCE init_done;
|
|
|
|
RtlRunOnceExecuteOnce( &init_done, process_init, NULL, NULL );
|
|
thread_init();
|
|
cpu_simulate();
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Wow64PrepareForException (wow64.@)
|
|
*/
|
|
void WINAPI Wow64PrepareForException( EXCEPTION_RECORD *rec, CONTEXT *context )
|
|
{
|
|
EXCEPTION_POINTERS ptrs = { rec, context };
|
|
|
|
pBTCpuResetToConsistentState( &ptrs );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Wow64PassExceptionToGuest (wow64.@)
|
|
*/
|
|
void WINAPI Wow64PassExceptionToGuest( EXCEPTION_POINTERS *ptrs )
|
|
{
|
|
EXCEPTION_RECORD32 rec32;
|
|
|
|
exception_record_64to32( &rec32, ptrs->ExceptionRecord );
|
|
call_user_exception_dispatcher( &rec32, NULL, ptrs->ContextRecord );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Wow64RaiseException (wow64.@)
|
|
*/
|
|
NTSTATUS WINAPI Wow64RaiseException( int code, EXCEPTION_RECORD *rec )
|
|
{
|
|
EXCEPTION_RECORD32 rec32;
|
|
CONTEXT context;
|
|
BOOL first_chance = TRUE;
|
|
union
|
|
{
|
|
I386_CONTEXT i386;
|
|
ARM_CONTEXT arm;
|
|
} ctx32 = { 0 };
|
|
|
|
switch (current_machine)
|
|
{
|
|
case IMAGE_FILE_MACHINE_I386:
|
|
{
|
|
EXCEPTION_RECORD int_rec = { 0 };
|
|
|
|
ctx32.i386.ContextFlags = CONTEXT_I386_ALL;
|
|
pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.i386 );
|
|
if (code == -1) break;
|
|
int_rec.ExceptionAddress = (void *)(ULONG_PTR)ctx32.i386.Eip;
|
|
switch (code)
|
|
{
|
|
case 0x00: /* division by zero */
|
|
int_rec.ExceptionCode = EXCEPTION_INT_DIVIDE_BY_ZERO;
|
|
break;
|
|
case 0x01: /* single-step */
|
|
int_rec.ExceptionCode = EXCEPTION_SINGLE_STEP;
|
|
break;
|
|
case 0x03: /* breakpoint */
|
|
int_rec.ExceptionCode = EXCEPTION_BREAKPOINT;
|
|
int_rec.ExceptionAddress = (void *)(ULONG_PTR)(ctx32.i386.Eip + 1);
|
|
int_rec.NumberParameters = 1;
|
|
break;
|
|
case 0x04: /* overflow */
|
|
int_rec.ExceptionCode = EXCEPTION_INT_OVERFLOW;
|
|
break;
|
|
case 0x05: /* array bounds */
|
|
int_rec.ExceptionCode = EXCEPTION_ARRAY_BOUNDS_EXCEEDED;
|
|
break;
|
|
case 0x06: /* invalid opcode */
|
|
int_rec.ExceptionCode = EXCEPTION_ILLEGAL_INSTRUCTION;
|
|
break;
|
|
case 0x09: /* coprocessor segment overrun */
|
|
int_rec.ExceptionCode = EXCEPTION_FLT_INVALID_OPERATION;
|
|
break;
|
|
case 0x0c: /* stack fault */
|
|
int_rec.ExceptionCode = EXCEPTION_STACK_OVERFLOW;
|
|
break;
|
|
case 0x29: /* __fastfail */
|
|
int_rec.ExceptionCode = STATUS_STACK_BUFFER_OVERRUN;
|
|
int_rec.ExceptionFlags = EH_NONCONTINUABLE;
|
|
int_rec.NumberParameters = 1;
|
|
int_rec.ExceptionInformation[0] = ctx32.i386.Ecx;
|
|
first_chance = FALSE;
|
|
break;
|
|
case 0x2d: /* debug service */
|
|
ctx32.i386.Eip++;
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.i386 );
|
|
int_rec.ExceptionCode = EXCEPTION_BREAKPOINT;
|
|
int_rec.ExceptionAddress = (void *)(ULONG_PTR)ctx32.i386.Eip;
|
|
int_rec.NumberParameters = 1;
|
|
int_rec.ExceptionInformation[0] = ctx32.i386.Eax;
|
|
break;
|
|
default:
|
|
ctx32.i386.Eip -= 2;
|
|
pBTCpuSetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.i386 );
|
|
int_rec.ExceptionCode = EXCEPTION_ACCESS_VIOLATION;
|
|
int_rec.ExceptionAddress = (void *)(ULONG_PTR)ctx32.i386.Eip;
|
|
int_rec.NumberParameters = 2;
|
|
int_rec.ExceptionInformation[1] = 0xffffffff;
|
|
break;
|
|
}
|
|
*rec = int_rec;
|
|
break;
|
|
}
|
|
|
|
case IMAGE_FILE_MACHINE_ARMNT:
|
|
ctx32.arm.ContextFlags = CONTEXT_ARM_ALL;
|
|
pBTCpuGetContext( GetCurrentThread(), GetCurrentProcess(), NULL, &ctx32.arm );
|
|
break;
|
|
}
|
|
|
|
exception_record_64to32( &rec32, rec );
|
|
__TRY
|
|
{
|
|
raise_exception( rec, &context, first_chance );
|
|
}
|
|
__EXCEPT_ALL
|
|
{
|
|
call_user_exception_dispatcher( &rec32, &ctx32, NULL );
|
|
}
|
|
__ENDTRY
|
|
return STATUS_SUCCESS;
|
|
}
|