wine-staging/patches/wow64cpu-Wow64Transition/0002-ntdll-Add-a-stub-implementation-of-Wow64Transition.patch

From af247c7d7c66b23aaa62054d2f7eeb20f8428e26 Mon Sep 17 00:00:00 2001
From: Zebediah Figura <z.figura12@gmail.com>
Date: Wed, 8 Aug 2018 20:00:15 -0500
Subject: [PATCH 2/2] ntdll: Add a stub implementation of Wow64Transition.

---
 dlls/ntdll/loader.c   | 10 +++++++++-
 dlls/ntdll/ntdll.spec |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/loader.c b/dlls/ntdll/loader.c
index 631e8bd9..f7a64a80 100644
--- a/dlls/ntdll/loader.c
+++ b/dlls/ntdll/loader.c
@@ -3546,15 +3546,17 @@ BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
     return TRUE;
 }
 
+void *Wow64Transition;
 
 /***********************************************************************
  *           __wine_process_init
  */
 void __wine_process_init(void)
 {
+    static const WCHAR wow64cpuW[] = {'w','o','w','6','4','c','p','u','.','d','l','l',0};
     static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
 
-    WINE_MODREF *wm;
+    WINE_MODREF *wm, *wow64cpu_wm;
     NTSTATUS status;
     ANSI_STRING func_name;
     void (* DECLSPEC_NORETURN CDECL init_func)(void);
@@ -3575,6 +3577,12 @@ void __wine_process_init(void)
         MESSAGE( "wine: could not load kernel32.dll, status %x\n", status );
         exit(1);
     }
+
+    if ((status = load_builtin_dll( NULL, wow64cpuW, 0, 0, &wow64cpu_wm )) == STATUS_SUCCESS)
+        Wow64Transition = wow64cpu_wm->ldr.BaseAddress;
+    else
+        WARN( "could not load wow64cpu.dll, status %#x\n", status );
+
     RtlInitAnsiString( &func_name, "__wine_kernel_init" );
     if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name,
                                           0, (void **)&init_func )) != STATUS_SUCCESS)
diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index c2e2fb1c..cb55df3a 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -1046,6 +1046,7 @@
 @ stdcall WinSqmIsOptedIn()
 @ stdcall WinSqmSetDWORD(ptr long long)
 @ stdcall WinSqmStartSession(ptr long long)
+@ extern Wow64Transition
 @ stdcall -private ZwAcceptConnectPort(ptr long ptr long ptr ptr) NtAcceptConnectPort
 @ stdcall -private ZwAccessCheck(ptr long long ptr ptr ptr ptr ptr) NtAccessCheck
 @ stdcall -private ZwAccessCheckAndAuditAlarm(ptr long ptr ptr ptr long ptr long ptr ptr ptr) NtAccessCheckAndAuditAlarm
-- 
2.19.2