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wine
wine-cw
Commits
f2a07805
Commit
f2a07805
authored
Jan 10, 2023
by
Alexandre Julliard
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wow64: Initialize win32u syscall table when it is mapped.
parent
4d8091cc
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1 changed file
with
18 additions
and
57 deletions
+18
-57
syscall.c
dlls/wow64/syscall.c
+18
-57
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dlls/wow64/syscall.c
View file @
f2a07805
...
@@ -88,6 +88,7 @@ SYSTEM_DLL_INIT_BLOCK *pLdrSystemDllInitBlock = NULL;
...
@@ -88,6 +88,7 @@ SYSTEM_DLL_INIT_BLOCK *pLdrSystemDllInitBlock = NULL;
/* wow64win syscall table */
/* wow64win syscall table */
static
const
SYSTEM_SERVICE_TABLE
*
psdwhwin32
;
static
const
SYSTEM_SERVICE_TABLE
*
psdwhwin32
;
static
HMODULE
win32u_module
;
/* cpu backend dll functions */
/* cpu backend dll functions */
static
void
*
(
WINAPI
*
pBTCpuGetBopCode
)(
void
);
static
void
*
(
WINAPI
*
pBTCpuGetBopCode
)(
void
);
...
@@ -393,17 +394,6 @@ static DWORD get_syscall_num( const BYTE *syscall )
...
@@ -393,17 +394,6 @@ static DWORD get_syscall_num( const BYTE *syscall )
/**********************************************************************
/**********************************************************************
* init_image_mapping
*/
void
init_image_mapping
(
HMODULE
module
)
{
void
**
ptr
=
RtlFindExportedRoutineByName
(
module
,
"Wow64Transition"
);
if
(
ptr
)
*
ptr
=
pBTCpuGetBopCode
();
}
/**********************************************************************
* init_syscall_table
* init_syscall_table
*/
*/
static
void
init_syscall_table
(
HMODULE
module
,
ULONG
idx
,
const
SYSTEM_SERVICE_TABLE
*
orig_table
)
static
void
init_syscall_table
(
HMODULE
module
,
ULONG
idx
,
const
SYSTEM_SERVICE_TABLE
*
orig_table
)
...
@@ -468,6 +458,23 @@ static void init_syscall_table( HMODULE module, ULONG idx, const SYSTEM_SERVICE_
...
@@ -468,6 +458,23 @@ static void init_syscall_table( HMODULE module, ULONG idx, const SYSTEM_SERVICE_
/**********************************************************************
/**********************************************************************
* 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
);
}
}
/**********************************************************************
* load_64bit_module
* load_64bit_module
*/
*/
static
HMODULE
load_64bit_module
(
const
WCHAR
*
name
)
static
HMODULE
load_64bit_module
(
const
WCHAR
*
name
)
...
@@ -490,48 +497,6 @@ static HMODULE load_64bit_module( const WCHAR *name )
...
@@ -490,48 +497,6 @@ static HMODULE load_64bit_module( const WCHAR *name )
/**********************************************************************
/**********************************************************************
* 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 %lx
\n
"
,
status
);
NtTerminateProcess
(
GetCurrentProcess
(),
status
);
return
NULL
;
}
/**********************************************************************
* get_cpu_dll_name
* get_cpu_dll_name
*/
*/
static
const
WCHAR
*
get_cpu_dll_name
(
void
)
static
const
WCHAR
*
get_cpu_dll_name
(
void
)
...
@@ -589,10 +554,6 @@ static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **contex
...
@@ -589,10 +554,6 @@ static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **contex
*
(
void
**
)
RtlFindExportedRoutineByName
(
module
,
"__wine_syscall_dispatcher"
)
=
pBTCpuGetBopCode
();
*
(
void
**
)
RtlFindExportedRoutineByName
(
module
,
"__wine_syscall_dispatcher"
)
=
pBTCpuGetBopCode
();
*
(
void
**
)
RtlFindExportedRoutineByName
(
module
,
"__wine_unix_call_dispatcher"
)
=
p__wine_get_unix_opcode
();
*
(
void
**
)
RtlFindExportedRoutineByName
(
module
,
"__wine_unix_call_dispatcher"
)
=
p__wine_get_unix_opcode
();
module
=
load_32bit_module
(
L"win32u.dll"
);
init_syscall_table
(
module
,
1
,
psdwhwin32
);
NtUnmapViewOfSection
(
GetCurrentProcess
(),
module
);
init_file_redirects
();
init_file_redirects
();
return
TRUE
;
return
TRUE
;
...
...
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