wow64: Respect the large address aware flag.

dlls/wow64/process.c

@@ -1118,7 +1118,7 @@ NTSTATUS WINAPI wow64_NtSetInformationProcess( UINT *args )
             PROCESS_STACK_ALLOCATION_INFORMATION info;
 
             info.ReserveSize = stack->ReserveSize;
-            info.ZeroBits = stack->ZeroBits ? stack->ZeroBits : 0x7fffffff;
+            info.ZeroBits = get_zero_bits( stack->ZeroBits );
             if (!(status = NtSetInformationProcess( handle, class, &info, sizeof(info) )))
                 stack->StackBase = PtrToUlong( info.StackBase );
             return status;

dlls/wow64/syscall.c

@@ -36,6 +36,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(wow);
 USHORT native_machine = 0;
 USHORT current_machine = 0;
 ULONG_PTR args_alignment = 0;
+ULONG_PTR default_zero_bits = 0x7fffffff;
 
 typedef NTSTATUS (WINAPI *syscall_thunk)( UINT *args );
 
@@ -566,10 +567,13 @@ static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **contex
 {
     HMODULE module;
     UNICODE_STRING str;
+    SYSTEM_BASIC_INFORMATION info;
 
     RtlWow64GetProcessMachines( GetCurrentProcess(), &current_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 );
+    default_zero_bits = (ULONG_PTR)info.HighestUserAddress | 0x7fffffff;
 
 #define GET_PTR(name) p ## name = RtlFindExportedRoutineByName( module, #name )
 

dlls/wow64/wow64_private.h

@@ -39,6 +39,7 @@ extern BOOL get_file_redirect( OBJECT_ATTRIBUTES *attr ) DECLSPEC_HIDDEN;
 extern USHORT native_machine DECLSPEC_HIDDEN;
 extern USHORT current_machine DECLSPEC_HIDDEN;
 extern ULONG_PTR args_alignment DECLSPEC_HIDDEN;
+extern ULONG_PTR default_zero_bits DECLSPEC_HIDDEN;
 extern SYSTEM_DLL_INIT_BLOCK *pLdrSystemDllInitBlock DECLSPEC_HIDDEN;
 
 struct object_attr64
@@ -83,7 +84,7 @@ static inline ULONG64 get_ulong64( UINT **args )
 
 static inline ULONG_PTR get_zero_bits( ULONG_PTR zero_bits )
 {
-    return zero_bits ? zero_bits : 0x7fffffff;
+    return zero_bits ? zero_bits : default_zero_bits;
 }
 
 static inline void **addr_32to64( void **addr, ULONG *addr32 )