[PATCH 4/6] ntdll: Use ActivationContextStackPointer instead of referencing ActivationContextStack directly.

[Jinoh Kang]

From: Jinoh Kang

This allows changing the location of activation context stack if it
should be put somewhere else (e.g. inside the fiber structure).
---
 dlls/ntdll/actctx.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/dlls/ntdll/actctx.c b/dlls/ntdll/actctx.c
index d92d51c0e8d..b66f2d2b895 100644
--- a/dlls/ntdll/actctx.c
+++ b/dlls/ntdll/actctx.c
@@ -3385,7 +3385,7 @@ static NTSTATUS parse_depend_manifests(struct actctx_loader* acl)

static HANDLE get_current_actctx_no_addref(void)
 {
-    ACTIVATION_CONTEXT_STACK *actctx_stack = &NtCurrentTeb()->ActivationContextStack;
+    ACTIVATION_CONTEXT_STACK *actctx_stack = NtCurrentTeb()->ActivationContextStackPointer;

if (actctx_stack->ActiveFrame)
         return actctx_stack->ActiveFrame->ActivationContext;
@@ -5397,7 +5397,7 @@ NTSTATUS WINAPI RtlActivateActivationContext( ULONG unknown, HANDLE handle, PULO
 NTSTATUS WINAPI RtlActivateActivationContextEx( ULONG flags, TEB *teb, HANDLE handle, ULONG_PTR *cookie )
 {
     RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;
-    ACTIVATION_CONTEXT_STACK *actctx_stack = &teb->ActivationContextStack;
+    ACTIVATION_CONTEXT_STACK *actctx_stack = teb->ActivationContextStackPointer;

if (!(frame = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*frame) )))
         return STATUS_NO_MEMORY;
@@ -5419,7 +5419,7 @@ NTSTATUS WINAPI RtlActivateActivationContextEx( ULONG flags, TEB *teb, HANDLE ha
  */
 void WINAPI RtlDeactivateActivationContext( ULONG flags, ULONG_PTR cookie )
 {
-    ACTIVATION_CONTEXT_STACK *actctx_stack = &NtCurrentTeb()->ActivationContextStack;
+    ACTIVATION_CONTEXT_STACK *actctx_stack = NtCurrentTeb()->ActivationContextStackPointer;
     RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame, *top;

TRACE( "%lx cookie=%Ix\n", flags, cookie );
@@ -5453,7 +5453,7 @@ void WINAPI RtlDeactivateActivationContext( ULONG flags, ULONG_PTR cookie )
  */
 void WINAPI RtlFreeThreadActivationContextStack(void)
 {
-    ACTIVATION_CONTEXT_STACK *actctx_stack = &NtCurrentTeb()->ActivationContextStack;
+    ACTIVATION_CONTEXT_STACK *actctx_stack = NtCurrentTeb()->ActivationContextStackPointer;
     RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;

frame = actctx_stack->ActiveFrame;
@@ -5483,7 +5483,7 @@ NTSTATUS WINAPI RtlGetActiveActivationContext( HANDLE *handle )
  */
 BOOLEAN WINAPI RtlIsActivationContextActive( HANDLE handle )
 {
-    ACTIVATION_CONTEXT_STACK *actctx_stack = &NtCurrentTeb()->ActivationContextStack;
+    ACTIVATION_CONTEXT_STACK *actctx_stack = NtCurrentTeb()->ActivationContextStackPointer;
     RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;

for (frame = actctx_stack->ActiveFrame; frame; frame = frame->Previous)