kernel32: Implement Wow64SetThreadContext().

dlls/kernel32/kernel32.spec

@@ -1603,7 +1603,7 @@
 @ stdcall Wow64GetThreadContext(long ptr)
 # @ stub Wow64GetThreadSelectorEntry
 @ stdcall Wow64RevertWow64FsRedirection(ptr)
-# @ stub Wow64SetThreadContext
+@ stdcall Wow64SetThreadContext(long ptr)
 # @ stub Wow64SuspendThread
 @ stdcall WriteConsoleA(long ptr long ptr ptr)
 @ stdcall WriteConsoleInputA(long ptr long ptr)

dlls/kernel32/thread.c

@@ -236,6 +236,23 @@ BOOL WINAPI SetThreadContext( HANDLE handle,           /* [in]  Handle to thread
 
 
 /***********************************************************************
+ * Wow64SetThreadContext [KERNEL32.@]
+ */
+BOOL WINAPI Wow64SetThreadContext( HANDLE handle, const WOW64_CONTEXT *context)
+{
+#ifdef __i386__
+    NTSTATUS status = NtSetContextThread( handle, (const CONTEXT *)context );
+#elif defined(__x86_64__)
+    NTSTATUS status = RtlWow64SetThreadContext( handle, context );
+#else
+    NTSTATUS status = STATUS_NOT_IMPLEMENTED;
+    FIXME("not implemented on this platform\n");
+#endif
+    if (status) SetLastError( RtlNtStatusToDosError(status) );
+    return !status;
+}
+
+/***********************************************************************
  * GetThreadContext [KERNEL32.@]  Retrieves context of thread.
  *
  * RETURNS

include/winbase.h

@@ -2708,6 +2708,7 @@ WINBASEAPI BOOL        WINAPI Wow64DisableWow64FsRedirection(PVOID*);
 WINBASEAPI BOOLEAN     WINAPI Wow64EnableWow64FsRedirection(BOOLEAN);
 WINBASEAPI BOOL        WINAPI Wow64GetThreadContext(HANDLE, WOW64_CONTEXT *);
 WINBASEAPI BOOL        WINAPI Wow64RevertWow64FsRedirection(PVOID);
+WINBASEAPI BOOL        WINAPI Wow64SetThreadContext(HANDLE, const WOW64_CONTEXT *);
 WINADVAPI  DWORD       WINAPI WriteEncryptedFileRaw(PFE_IMPORT_FUNC,PVOID,PVOID);
 WINBASEAPI BOOL        WINAPI WriteFile(HANDLE,LPCVOID,DWORD,LPDWORD,LPOVERLAPPED);
 WINBASEAPI BOOL        WINAPI WriteFileEx(HANDLE,LPCVOID,DWORD,LPOVERLAPPED,LPOVERLAPPED_COMPLETION_ROUTINE);

include/winternl.h

@@ -2838,6 +2838,7 @@ NTSYSAPI NTSTATUS  WINAPI RtlWow64EnableFsRedirection(BOOLEAN);
 NTSYSAPI NTSTATUS  WINAPI RtlWow64EnableFsRedirectionEx(ULONG,ULONG*);
 #ifdef __x86_64__
 NTSYSAPI NTSTATUS  WINAPI RtlWow64GetThreadContext(HANDLE, WOW64_CONTEXT *);
+NTSYSAPI NTSTATUS  WINAPI RtlWow64SetThreadContext(HANDLE, const WOW64_CONTEXT *);
 #endif
 NTSYSAPI NTSTATUS  WINAPI RtlWriteRegistryValue(ULONG,PCWSTR,PCWSTR,ULONG,PVOID,ULONG);
 NTSYSAPI NTSTATUS  WINAPI RtlZombifyActivationContext(HANDLE);