[PATCH v5 0/1] MR11253: wow64: Add BTCpuNotifyProcessExecuteFlagsChange interface

[Ryan Houdek (＠sonicadvance1)]

Fixes games that toggle DEP at runtime. Like Bioshock.

@julliard for visibility since they seem to be in this area a lot.

--
  v5: wow64: Add BTCpuNotifyProcessExecuteFlagsChange interface
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/11253

[PATCH v5 1/1] wow64: Add BTCpuNotifyProcessExecuteFlagsChange interface

[Ryan Houdek]

From: Ryan Houdek <[e-mail]>

Fixes games that toggle DEP at runtime. Like Bioshock.
---
 dlls/wow64/process.c       | 7 ++++++-
 dlls/wow64/syscall.c       | 2 ++
 dlls/wow64/wow64_private.h | 1 +
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/dlls/wow64/process.c b/dlls/wow64/process.c
index 625b0eaff75..98d1c600dd9 100644
--- a/dlls/wow64/process.c
+++ b/dlls/wow64/process.c
@@ -927,13 +927,18 @@ NTSTATUS WINAPI wow64_NtSetInformationProcess( UINT *args )
     case ProcessPriorityClass:   /* PROCESS_PRIORITY_CLASS */
     case ProcessBasePriority:   /* ULONG */
     case ProcessPriorityBoost:  /* ULONG */
-    case ProcessExecuteFlags:   /* ULONG */
     case ProcessPagePriority:   /* MEMORY_PRIORITY_INFORMATION */
     case ProcessPowerThrottlingState:   /* PROCESS_POWER_THROTTLING_STATE */
     case ProcessLeapSecondInformation:   /* PROCESS_LEAP_SECOND_INFO */
     case ProcessWineGrantAdminToken:   /* NULL */
         return NtSetInformationProcess( handle, class, ptr, len );
 
+    case ProcessExecuteFlags:   /* ULONG */
+        status = NtSetInformationProcess( handle, class, ptr, len );
+        if (!status && pBTCpuNotifyProcessExecuteFlagsChange)
+            pBTCpuNotifyProcessExecuteFlagsChange(*(ULONG *)ptr);
+        return status;
+
     case ProcessAccessToken: /* PROCESS_ACCESS_TOKEN */
         if (len == sizeof(PROCESS_ACCESS_TOKEN32))
         {
diff --git a/dlls/wow64/syscall.c b/dlls/wow64/syscall.c
index d52c52fef8e..4ab656656a0 100644
--- a/dlls/wow64/syscall.c
+++ b/dlls/wow64/syscall.c
@@ -103,6 +103,7 @@ static NTSTATUS (WINAPI *pBTCpuSetContext)(HANDLE,HANDLE,void *,void *);
 static void     (WINAPI *pBTCpuThreadInit)(void);
 static void     (WINAPI *pBTCpuSimulate)(void) __attribute__((used));
 static void *   (WINAPI *p__wine_get_unix_opcode)(void);
+static void     (WINAPI *pBTCpuNotifyProcessExecuteFlagsChange)(ULONG);
 static void *   (WINAPI *pKiRaiseUserExceptionDispatcher)(void);
 void     (WINAPI *pBTCpuFlushInstructionCache2)( const void *, SIZE_T ) = NULL;
 void     (WINAPI *pBTCpuFlushInstructionCacheHeavy)( const void *, SIZE_T ) = NULL;
@@ -1029,6 +1030,7 @@ static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **contex
     GET_PTR( BTCpuProcessTerm );
     GET_PTR( BTCpuThreadTerm );
     GET_PTR( __wine_get_unix_opcode );
+    GET_PTR( BTCpuNotifyProcessExecuteFlagsChange );
 
     module = load_64bit_module( L"wow64win.dll" );
     GET_PTR( sdwhwin32 );
diff --git a/dlls/wow64/wow64_private.h b/dlls/wow64/wow64_private.h
index 2ac3e51f1f0..b53493c534f 100644
--- a/dlls/wow64/wow64_private.h
+++ b/dlls/wow64/wow64_private.h
@@ -51,6 +51,7 @@ extern void     (WINAPI *pBTCpuNotifyUnmapViewOfSection)( void *, BOOL, NTSTATUS
 extern void     (WINAPI *pBTCpuUpdateProcessorInformation)( SYSTEM_CPU_INFORMATION * );
 extern void     (WINAPI *pBTCpuProcessTerm)( HANDLE, BOOL, NTSTATUS );
 extern void     (WINAPI *pBTCpuThreadTerm)( HANDLE, LONG );
+extern void     (WINAPI *pBTCpuNotifyProcessExecuteFlagsChange)(ULONG);
 
 struct object_attr64
 {
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/11253