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wine
wine-winehq
Commits
411cdeba
Commit
411cdeba
authored
Jun 19, 2015
by
Sebastian Lackner
Committed by
Alexandre Julliard
Jun 19, 2015
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ntoskrnl: Add emulation for 'mov Ob, AL' and 'mov Ovqp, rAX' instruction.
parent
0b06d4c4
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instr.c
dlls/ntoskrnl.exe/instr.c
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dlls/ntoskrnl.exe/instr.c
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411cdeba
...
...
@@ -695,6 +695,23 @@ static DWORD emulate_instruction( EXCEPTION_RECORD *rec, CONTEXT *context )
}
break
;
/* Unable to emulate it */
}
case
0xa0
:
/* mov Ob, AL */
case
0xa1
:
/* mov Ovqp, rAX */
{
BYTE
*
data
=
(
BYTE
*
)(
long_addr
?
*
(
DWORD64
*
)(
instr
+
1
)
:
*
(
DWORD
*
)(
instr
+
1
));
unsigned
int
data_size
=
(
*
instr
==
0xa1
)
?
get_op_size
(
long_op
,
rex
)
:
1
;
unsigned
int
offset
=
data
-
user_shared_data
;
len
=
long_addr
?
sizeof
(
DWORD64
)
:
sizeof
(
DWORD
);
if
(
offset
<=
sizeof
(
KSHARED_USER_DATA
)
-
data_size
)
{
memcpy
(
&
context
->
Rax
,
wine_user_shared_data
+
offset
,
data_size
);
context
->
Rip
+=
prefixlen
+
len
+
1
;
return
ExceptionContinueExecution
;
}
break
;
/* Unable to emulate it */
}
}
return
ExceptionContinueSearch
;
/* Unable to emulate it */
}
...
...
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