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wow64: Create the WOW64INFO structure.

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This commit is contained in:
Alexandre Julliard 2023-03-09 17:25:07 +01:00
parent a8f11bb8f3
commit 3e3af62be9
3 changed files with 25 additions and 0 deletions
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8
dlls/wow64/syscall.c
View file

@ -97,6 +97,7 @@ SYSTEM_DLL_INIT_BLOCK *pLdrSystemDllInitBlock = NULL;
/* wow64win syscall table */
static const SYSTEM_SERVICE_TABLE *psdwhwin32;
static HMODULE win32u_module;
static WOW64INFO *wow64info;
/* cpu backend dll functions */
static void * (WINAPI *pBTCpuGetBopCode)(void);
@ -783,6 +784,7 @@ static const WCHAR *get_cpu_dll_name(void)
*/
static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **context )
{
TEB32 *teb32 = (TEB32 *)((char *)NtCurrentTeb() + NtCurrentTeb()->WowTebOffset);
HMODULE module;
UNICODE_STRING str = RTL_CONSTANT_STRING( L"ntdll.dll" );
SYSTEM_BASIC_INFORMATION info;
@ -793,6 +795,11 @@ static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **contex
NtQuerySystemInformation( SystemEmulationBasicInformation, &info, sizeof(info), NULL );
highest_user_address = (ULONG_PTR)info.HighestUserAddress;
default_zero_bits = (ULONG_PTR)info.HighestUserAddress | 0x7fffffff;
wow64info = (WOW64INFO *)((PEB32 *)ULongToPtr( teb32->Peb ) + 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 )
@ -836,6 +843,7 @@ 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) */

3
dlls/wow64cpu/cpu.c
View file

@ -290,6 +290,7 @@ NTSTATUS WINAPI BTCpuProcessInit(void)
HMODULE module;
UNICODE_STRING str;
void **p__wine_unix_call_dispatcher;
WOW64INFO *wow64info = NtCurrentTeb()->TlsSlots[WOW64_TLS_WOW64INFO];
if ((ULONG_PTR)syscall_32to64 >> 32)
{
@ -297,6 +298,8 @@ NTSTATUS WINAPI BTCpuProcessInit(void)
return STATUS_INVALID_ADDRESS;
}
wow64info->CpuFlags |= WOW64_CPUFLAGS_MSFT64;
RtlInitUnicodeString( &str, L"ntdll.dll" );
LdrGetDllHandle( NULL, 0, &str, &module );
p__wine_unix_call_dispatcher = RtlFindExportedRoutineByName( module, "__wine_unix_call_dispatcher" );

14
include/winternl.h
View file

@ -1085,6 +1085,7 @@ typedef struct _TEB64
#define WOW64_TLS_USERCALLBACKDATA 5
#define WOW64_TLS_APCLIST 7
#define WOW64_TLS_FILESYSREDIR 8
#define WOW64_TLS_WOW64INFO 10
#define WOW64_TLS_MAX_NUMBER 19
@ -3855,6 +3856,19 @@ typedef struct _WOW64_CPU_AREA_INFO
USHORT Machine;
} WOW64_CPU_AREA_INFO, *PWOW64_CPU_AREA_INFO;
typedef struct _WOW64INFO
{
ULONG NativeSystemPageSize;
ULONG CpuFlags;
ULONG Wow64ExecuteFlags;
ULONG unknown[5];
USHORT NativeMachineType;
USHORT EmulatedMachineType;
} WOW64INFO;
#define WOW64_CPUFLAGS_MSFT64 0x01
#define WOW64_CPUFLAGS_SOFTWARE 0x02
/* wow64.dll functions */
void * WINAPI Wow64AllocateTemp(SIZE_T);
void WINAPI Wow64ApcRoutine(ULONG_PTR,ULONG_PTR,ULONG_PTR,CONTEXT*);