KERNEL32: move FlushInstructionCache to ntdll

[Mike McCormack]

FlushInstructionCache boils down to a no-operation on x86 architectures, 
provided there's a call or jump instruction to flush the prefetch queue.

Mike


ChangeLog:
* move FlushInstructionCache to ntdll
-------------- next part --------------
Index: dlls/ntdll/process.c
===================================================================
RCS file: /home/wine/wine/dlls/ntdll/process.c,v
retrieving revision 1.2
diff -u -r1.2 process.c
--- dlls/ntdll/process.c	14 Jun 2004 17:02:00 -0000	1.2
+++ dlls/ntdll/process.c	3 Aug 2004 03:28:53 -0000
@@ -154,3 +154,20 @@
           ProcessHandle,ProcessInformationClass,ProcessInformation,ProcessInformationLength);
     return 0;
 }
+
+/******************************************************************************
+ * NtFlushInstructionCache [NTDLL.@]
+ * ZwFlushInstructionCache [NTDLL.@]
+ */
+NTSTATUS WINAPI NtFlushInstructionCache(
+        IN HANDLE ProcessHandle,
+        IN LPCVOID BaseAddress,
+        IN ULONG Size)
+{
+#ifdef __i386__
+    TRACE("%p %p %ld - no-op on x86\n", ProcessHandle, BaseAddress, Size );
+#else
+    FIXME("%p %p %ld\n", ProcessHandle, BaseAddress, Size );
+#endif
+    return STATUS_SUCCESS;
+}
Index: dlls/ntdll/ntdll.spec
===================================================================
RCS file: /home/wine/wine/dlls/ntdll/ntdll.spec,v
retrieving revision 1.158
diff -u -r1.158 ntdll.spec
--- dlls/ntdll/ntdll.spec	30 Jul 2004 01:45:16 -0000	1.158
+++ dlls/ntdll/ntdll.spec	3 Aug 2004 03:28:54 -0000
@@ -115,7 +115,7 @@
 @ stdcall NtEnumerateValueKey (long long long long long long)
 @ stub NtExtendSection
 @ stdcall NtFlushBuffersFile(long ptr)
-@ stub NtFlushInstructionCache
+@ stdcall NtFlushInstructionCache(long ptr long)
 @ stdcall NtFlushKey(long)
 @ stdcall NtFlushVirtualMemory(long ptr ptr long)
 @ stub NtFlushWriteBuffer
@@ -698,7 +698,7 @@
 @ stdcall ZwEnumerateValueKey(long long long ptr long ptr) NtEnumerateValueKey
 @ stub ZwExtendSection
 @ stdcall ZwFlushBuffersFile(long ptr) NtFlushBuffersFile
-@ stub ZwFlushInstructionCache
+@ stdcall ZwFlushInstructionCache(long ptr long) NtFlushInstructionCache
 @ stdcall ZwFlushKey(long) NtFlushKey
 @ stdcall ZwFlushVirtualMemory(long ptr ptr long) NtFlushVirtualMemory
 @ stub ZwFlushWriteBuffer
Index: dlls/kernel/process.c
===================================================================
RCS file: /home/wine/wine/dlls/kernel/process.c,v
retrieving revision 1.69
diff -u -r1.69 process.c
--- dlls/kernel/process.c	16 Jul 2004 03:54:35 -0000	1.69
+++ dlls/kernel/process.c	3 Aug 2004 03:28:54 -0000
@@ -2740,9 +2740,11 @@
  */
 BOOL WINAPI FlushInstructionCache(HANDLE hProcess, LPCVOID lpBaseAddress, SIZE_T dwSize)
 {
+    NTSTATUS status;
     if (GetVersion() & 0x80000000) return TRUE; /* not NT, always TRUE */
-    FIXME("(%p,%p,0x%08lx): stub\n",hProcess, lpBaseAddress, dwSize);
-    return TRUE;
+    status = NtFlushInstructionCache( hProcess, lpBaseAddress, dwSize );
+    if (status) SetLastError( RtlNtStatusToDosError(status) );
+    return !status;
 }
 
 
Index: include/winternl.h
===================================================================
RCS file: /home/wine/wine/include/winternl.h,v
retrieving revision 1.84
diff -u -r1.84 winternl.h
--- include/winternl.h	30 Jul 2004 01:45:16 -0000	1.84
+++ include/winternl.h	3 Aug 2004 03:28:54 -0000
@@ -1242,6 +1242,7 @@
 NTSTATUS  WINAPI NtEnumerateKey(HKEY,ULONG,KEY_INFORMATION_CLASS,void *,DWORD,DWORD *);
 NTSTATUS  WINAPI NtEnumerateValueKey(HKEY,ULONG,KEY_VALUE_INFORMATION_CLASS,PVOID,ULONG,PULONG);
 NTSTATUS  WINAPI NtFlushBuffersFile(HANDLE,IO_STATUS_BLOCK*);
+NTSTATUS  WINAPI NtFlushInstructionCache(HANDLE,LPCVOID,ULONG);
 NTSTATUS  WINAPI NtFlushKey(HKEY);
 NTSTATUS  WINAPI NtFlushVirtualMemory(HANDLE,LPCVOID*,ULONG*,ULONG);
 NTSTATUS  WINAPI NtFreeVirtualMemory(HANDLE,PVOID*,ULONG*,ULONG);