Alexandre Julliard : wow64: Implement Wow64ProcessPendingCrossProcessItems().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0b0dbf6acc81e858bf54ecef6b274a601f934ac5
URL:    https://gitlab.winehq.org/wine/wine/-/commit/0b0dbf6acc81e858bf54ecef6b274a6...

Author: Alexandre Julliard 
Date:   Mon Aug 28 13:49:16 2023 +0200

wow64: Implement Wow64ProcessPendingCrossProcessItems().

---

dlls/wow64/syscall.c  | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++
 dlls/wow64/wow64.spec |  1 +
 include/winternl.h    |  1 +
 3 files changed, 64 insertions(+)

diff --git a/dlls/wow64/syscall.c b/dlls/wow64/syscall.c
index f5a020bac0a..4b13fd9d3cd 100644
--- a/dlls/wow64/syscall.c
+++ b/dlls/wow64/syscall.c
@@ -1262,6 +1262,68 @@ void WINAPI Wow64PassExceptionToGuest( EXCEPTION_POINTERS *ptrs )
 }

+/**********************************************************************
+ *           Wow64ProcessPendingCrossProcessItems  (wow64.@)
+ */
+void WINAPI Wow64ProcessPendingCrossProcessItems(void)
+{
+    CROSS_PROCESS_WORK_LIST *list = (void *)wow64info->CrossProcessWorkList;
+    CROSS_PROCESS_WORK_ENTRY *entry;
+    BOOLEAN flush = FALSE;
+    UINT next;
+
+    if (!list) return;
+    entry = RtlWow64PopAllCrossProcessWorkFromWorkList( &list->work_list, &flush );
+
+    if (flush)
+    {
+        if (pBTCpuNotifyFlushInstructionCache2) pBTCpuNotifyFlushInstructionCache2( NULL, ~0ull );
+        while (entry)
+        {
+            next = entry->next;
+            RtlWow64PushCrossProcessWorkOntoFreeList( &list->free_list, entry );
+            entry = CROSS_PROCESS_LIST_ENTRY( &list->work_list, next );
+        }
+        return;
+    }
+
+    while (entry)
+    {
+        switch (entry->id)
+        {
+        case CrossProcessPreVirtualAlloc:
+            /* FIXME */
+            break;
+        case CrossProcessPostVirtualAlloc:
+            if (!pBTCpuNotifyMemoryAlloc) break;
+            pBTCpuNotifyMemoryAlloc( (void *)entry->addr, entry->size, entry->args[0], entry->args[1] );
+            break;
+        case CrossProcessPreVirtualFree:
+            if (!pBTCpuNotifyMemoryFree) break;
+            pBTCpuNotifyMemoryFree( (void *)entry->addr, entry->size, entry->args[0] );
+            break;
+        case CrossProcessPostVirtualFree:
+            /* FIXME */
+            break;
+        case CrossProcessPreVirtualProtect:
+            if (!pBTCpuNotifyMemoryProtect) break;
+            pBTCpuNotifyMemoryProtect( (void *)entry->addr, entry->size, entry->args[0] );
+            break;
+        case CrossProcessPostVirtualProtect:
+            /* FIXME */
+            break;
+        case CrossProcessFlushCache:
+            if (!pBTCpuNotifyFlushInstructionCache2) break;
+            pBTCpuNotifyFlushInstructionCache2( (void *)entry->addr, entry->size );
+            break;
+        }
+        next = entry->next;
+        RtlWow64PushCrossProcessWorkOntoFreeList( &list->free_list, entry );
+        entry = CROSS_PROCESS_LIST_ENTRY( &list->work_list, next );
+    }
+}
+
+
 /**********************************************************************
  *           Wow64RaiseException  (wow64.@)
  */
diff --git a/dlls/wow64/wow64.spec b/dlls/wow64/wow64.spec
index 1f09e1411bb..760f88ada77 100644
--- a/dlls/wow64/wow64.spec
+++ b/dlls/wow64/wow64.spec
@@ -16,6 +16,7 @@
 @ stdcall Wow64PassExceptionToGuest(ptr)
 @ stub Wow64PrepareForDebuggerAttach
 @ stdcall Wow64PrepareForException(ptr ptr)
+@ stdcall Wow64ProcessPendingCrossProcessItems()
 @ stdcall Wow64RaiseException(long ptr)
 @ stub Wow64ShallowThunkAllocObjectAttributes32TO64_FNC
 @ stub Wow64ShallowThunkAllocSecurityQualityOfService32TO64_FNC
diff --git a/include/winternl.h b/include/winternl.h
index 9d92e1cd6ff..bb0eee70ef3 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -4167,6 +4167,7 @@ void      WINAPI Wow64ApcRoutine(ULONG_PTR,ULONG_PTR,ULONG_PTR,CONTEXT*);
 NTSTATUS  WINAPI Wow64KiUserCallbackDispatcher(ULONG,void*,ULONG,void**,ULONG*);
 void      WINAPI Wow64PassExceptionToGuest(EXCEPTION_POINTERS*);
 void      WINAPI Wow64PrepareForException(EXCEPTION_RECORD*,CONTEXT*);
+void      WINAPI Wow64ProcessPendingCrossProcessItems(void);
 NTSTATUS  WINAPI Wow64RaiseException(int,EXCEPTION_RECORD*);
 NTSTATUS  WINAPI Wow64SystemServiceEx(UINT,UINT*);