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wow64: Load wow64win.dll.

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Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-08-31 11:32:07 +02:00
parent 40673153b4
commit 3a5b926384
1 changed files with 75 additions and 20 deletions
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95
dlls/wow64/syscall.c
View file

@ -72,6 +72,9 @@ struct mem_header
SYSTEM_DLL_INIT_BLOCK *pLdrSystemDllInitBlock = NULL;
/* wow64win syscall table */
static const SYSTEM_SERVICE_TABLE *psdwhwin32;
/* cpu backend dll functions */
static void * (WINAPI *pBTCpuGetBopCode)(void);
static void (WINAPI *pBTCpuProcessInit)(void);
@ -410,42 +413,87 @@ static void init_syscall_table( HMODULE module, ULONG idx, const SYSTEM_SERVICE_
/**********************************************************************
* load_cpu_dll
* load_64bit_module
*/
static HMODULE load_cpu_dll(void)
static HMODULE load_64bit_module( const WCHAR *name )
{
NTSTATUS status;
HMODULE module;
UNICODE_STRING str;
WCHAR path[MAX_PATH];
const WCHAR *dir, *name;
switch (current_machine)
{
case IMAGE_FILE_MACHINE_I386:
name = (native_machine == IMAGE_FILE_MACHINE_ARM64 ? L"xtajit.dll" : L"wow64cpu.dll");
break;
case IMAGE_FILE_MACHINE_ARM:
name = L"wowarmhw.dll";
break;
default:
ERR( "unsupported machine %04x\n", current_machine );
RtlExitUserProcess( 1 );
}
dir = get_machine_wow64_dir( IMAGE_FILE_MACHINE_TARGET_HOST );
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( NULL, 0, &str, &module )))
{
ERR( "failed to load CPU dll %x\n", status );
ERR( "failed to load dll %x\n", status );
NtTerminateProcess( GetCurrentProcess(), status );
}
return module;
}
/**********************************************************************
* load_32bit_module
*/
static HMODULE load_32bit_module( const WCHAR *name )
{
NTSTATUS status;
UNICODE_STRING str;
WCHAR path[MAX_PATH];
HANDLE file, mapping;
LARGE_INTEGER size;
IO_STATUS_BLOCK io;
OBJECT_ATTRIBUTES attr;
SIZE_T len = 0;
void *module = NULL;
const WCHAR *dir = get_machine_wow64_dir( current_machine );
swprintf( path, MAX_PATH, L"%s\\%s", dir, name );
RtlInitUnicodeString( &str, path );
InitializeObjectAttributes( &attr, &str, OBJ_CASE_INSENSITIVE, 0, NULL );
if ((status = NtOpenFile( &file, GENERIC_READ | SYNCHRONIZE, &attr, &io,
FILE_SHARE_READ | FILE_SHARE_DELETE,
FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE ))) goto failed;
size.QuadPart = 0;
status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY |
SECTION_MAP_READ | SECTION_MAP_EXECUTE,
NULL, &size, PAGE_EXECUTE_READ, SEC_IMAGE, file );
NtClose( file );
if (status) goto failed;
status = NtMapViewOfSection( mapping, GetCurrentProcess(), &module, 0, 0, NULL, &len,
ViewShare, 0, PAGE_EXECUTE_READ );
NtClose( mapping );
if (!status) return module;
failed:
ERR( "failed to load dll %x\n", status );
NtTerminateProcess( GetCurrentProcess(), status );
return NULL;
}
/**********************************************************************
* get_cpu_dll_name
*/
static const WCHAR *get_cpu_dll_name(void)
{
switch (current_machine)
{
case IMAGE_FILE_MACHINE_I386:
return (native_machine == IMAGE_FILE_MACHINE_ARM64 ? L"xtajit.dll" : L"wow64cpu.dll");
case IMAGE_FILE_MACHINE_ARM:
return L"wowarmhw.dll";
default:
ERR( "unsupported machine %04x\n", current_machine );
RtlExitUserProcess( 1 );
}
}
/**********************************************************************
* process_init
*/
@ -464,11 +512,14 @@ static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **contex
LdrGetDllHandle( NULL, 0, &str, &module );
GET_PTR( LdrSystemDllInitBlock );
module = load_cpu_dll();
module = load_64bit_module( get_cpu_dll_name() );
GET_PTR( BTCpuGetBopCode );
GET_PTR( BTCpuProcessInit );
GET_PTR( BTCpuSimulate );
module = load_64bit_module( L"wow64win.dll" );
GET_PTR( sdwhwin32 );
pBTCpuProcessInit();
module = (HMODULE)(ULONG_PTR)pLdrSystemDllInitBlock->ntdll_handle;
@ -476,6 +527,10 @@ static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **contex
init_syscall_table( module, 0, &ntdll_syscall_table );
*(void **)RtlFindExportedRoutineByName( module, "__wine_syscall_dispatcher" ) = pBTCpuGetBopCode();
module = load_32bit_module( L"win32u.dll" );
init_syscall_table( module, 1, psdwhwin32 );
NtUnmapViewOfSection( GetCurrentProcess(), module );
init_file_redirects();
return TRUE;