Move eventpipe buffer to TLS (#21817)

* start ripping out eventpipe buffer to tls

* can now emit events from gc threads

* cleanup

* more cleanup

* more cleanup

* tested on linux

* Addressing PR comments

* Move things around a bit to build in Linux

* change eventpipe buffer deallocation code

* more cleanup

* this while loop doesnt do anything now

* Fix build

* fixing build

* More cleanup

* more pr comments

* Fix unix build

* more pr comments

* trying to add a message to assertion that seems to be causing CIs to fail

* more pr feedback

* handle non-2-byte aligned string payloads inside payload buffers

* some more cleanup

* Fix off by one error in null index calculation

* Make Get/SetThreadEventBufferList a static member of ThreadEventBufferList

* make only the methods public in ThreadEventBufferList

* Addressing noah's comments

* fix comment and last off by 1 error

1 files changed, 0 insertions, 29 deletions

diff --git a/src/vm/threads.h b/src/vm/threads.h
index 6ec6323c28..2fa7569449 100644
--- a/src/vm/threads.h
+++ b/src/vm/threads.h
@@ -4902,11 +4902,6 @@ public:
 
 #ifdef FEATURE_PERFTRACING
 private:
-    // The object that contains the list write buffers used by this thread.
-    Volatile<EventPipeBufferList*> m_pEventPipeBufferList;
-
-    // Whether or not the thread is currently writing an event.
-    Volatile<bool> m_eventWriteInProgress;
 
     // SampleProfiler thread state.  This is set on suspension and cleared before restart.
     // True if the thread was in cooperative mode.  False if it was in preemptive when the suspension started.
@@ -4917,30 +4912,6 @@ private:
     GUID m_activityId;
 
 public:
-    EventPipeBufferList* GetEventPipeBufferList()
-    {
-        LIMITED_METHOD_CONTRACT;
-        return m_pEventPipeBufferList;
-    }
-
-    void SetEventPipeBufferList(EventPipeBufferList *pList)
-    {
-        LIMITED_METHOD_CONTRACT;
-        m_pEventPipeBufferList = pList;
-    }
-
-    bool GetEventWriteInProgress() const
-    {
-        LIMITED_METHOD_CONTRACT;
-        return m_eventWriteInProgress;
-    }
-
-    void SetEventWriteInProgress(bool value)
-    {
-        LIMITED_METHOD_CONTRACT;
-        m_eventWriteInProgress = value;
-    }
-
     bool GetGCModeOnSuspension()
     {
         LIMITED_METHOD_CONTRACT;