EtwpCovSampHashMakeRoomAndAcquireLock

NTSTATUS __stdcall EtwpCovSampHashMakeRoomAndAcquireLock(PVOID BugCheckParameter2){
  int v1; 
  CHAR **v2; 
  CHAR *Table; 
  _ETHREAD *CurrentThread; 
  CHAR **v5; 
  int v6; 
  unsigned int v8; 
  __int64 v9; 
  unsigned int v10; 
  unsigned int v11; 
  unsigned int v12; 
  unsigned int v13; 
  CHAR *v14; 
  _ETHREAD *v15; 
  __int64 *v16; 
  unsigned int v17; 
  __int64 *v18; 
  __int64 **v19; 
  PVOID *v20; 
  _QWORD *v21; 
  __int64 v22; 
  _QWORD *v23; 
  __int64 v25; 
  unsigned int v26; 
  PVOID *v27; 
  _ETHREAD *v28; 

  Table = 0i64;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v5 = v2;
  v6 = v1;
  --CurrentThread->Tcb.KernelApcDisable;
  ExAcquirePushLockExclusiveEx((_EX_PUSH_LOCK *)BugCheckParameter2, 0i64);
  v8 = 0;
  v9 = *((_QWORD *)BugCheckParameter2 + 144);
  *((_QWORD *)BugCheckParameter2 + 1) = KeGetCurrentThread();
  v10 = *(_DWORD *)(v9 + 20);
  v11 = v6 + *(_DWORD *)(v9 + 16);
  if( v11 >= (7 * v10) >> 3 )
  {
    while( 1 )
    {
      v12 = *((_DWORD *)BugCheckParameter2 + 10);
      if( v10 < v12 )
      {
        v13 = 2 * v10;
        if( !v10 )
          v13 = *((_DWORD *)BugCheckParameter2 + 9);
        while( (7 * v13) >> 3 < v11 )
          v13 *= 2;
        if( v13 >= v12 )
          v13 = *((_DWORD *)BugCheckParameter2 + 10);
        v12 = v13;
      }
      else if( *((_DWORD *)BugCheckParameter2 + 296) >= *((_DWORD *)BugCheckParameter2 + 11) )
      {
        goto LABEL_34;
      }
      *((_QWORD *)BugCheckParameter2 + 1) = 0i64;
      if( (_InterlockedExchangeAdd64((volatile signed __int64 *)BugCheckParameter2, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
        ExfTryToWakePushLock((_EX_PUSH_LOCK *)BugCheckParameter2);
      KeAbPostRelease(BugCheckParameter2);
      KeLeaveCriticalRegionThread(KeGetCurrentThread());
      if( Table )
        EtwpCoverageSamplerFreeTable(Table);
      Table = EtwpCoverageSamplerAllocateTable(v12);
      v14 = Table;
      if( !Table )
        goto LABEL_36;
      v15 = (_ETHREAD *)KeGetCurrentThread();
      --v15->Tcb.KernelApcDisable;
      ExAcquirePushLockExclusiveEx((_EX_PUSH_LOCK *)BugCheckParameter2, 0i64);
      v16 = (__int64 *)*((_QWORD *)BugCheckParameter2 + 144);
      *((_QWORD *)BugCheckParameter2 + 1) = KeGetCurrentThread();
      v17 = *((_DWORD *)v16 + 5);
      if( v6 + *((_DWORD *)v16 + 4) < (7 * v17) >> 3 )
        goto LABEL_34;
      if( v17 >= v12 )
        break;
      *((_QWORD *)BugCheckParameter2 + 144) = Table;
      Table = (CHAR *)v16;
      v18 = (__int64 *)*v16;
      if( *(__int64 **)(*v16 + 8) != v16 )
        goto LABEL_31;
      v19 = (__int64 **)v16[1];
      if( *v19 != v16 )
        goto LABEL_31;
      *v19 = v18;
      v18[1] = (__int64)v19;
      v20 = (PVOID *)*((_QWORD *)BugCheckParameter2 + 147);
      v21 = (_QWORD *)*((_QWORD *)BugCheckParameter2 + 144);
      if( *v20 != (char *)BugCheckParameter2 + 1168 )
        goto LABEL_31;
      *v21 = (char *)BugCheckParameter2 + 1168;
      v22 = 0i64;
      v21[1] = v20;
      *v20 = v21;
      *((_QWORD *)BugCheckParameter2 + 147) = v21;
      for( *(_DWORD *)(*((_QWORD *)BugCheckParameter2 + 144) + 16i64) = *((_DWORD *)v16 + 4);
            (unsigned int)v22 < *((_DWORD *)v16 + 5);
            v22 = (unsigned int)(v22 + 1) )
      {
        v23 = (_QWORD *)(v16[3] + 8 * v22);
        if( *v23 )
        {
          EtwpCovSampHashLookupInTable();
          MEMORY[0] = *v23;
          if( (*((_DWORD *)v16 + 4))-- == 1 )
            break;
        }
      }
      if( v8 < 0x14 )
      {
        v25 = *((_QWORD *)BugCheckParameter2 + 144);
        ++v8;
        v10 = *(_DWORD *)(v25 + 20);
        v11 = v6 + *(_DWORD *)(v25 + 16);
        if( v11 >= (7 * v10) >> 3 )
          continue;
      }
      goto LABEL_34;
    }
    v26 = *((_DWORD *)BugCheckParameter2 + 296);
    if( v26 >= *((_DWORD *)BugCheckParameter2 + 11) )
    {
LABEL_34:
      if( Table )
        *v5 = Table;
      goto LABEL_36;
    }
    *((_QWORD *)BugCheckParameter2 + 144) = Table;
    Table = 0i64;
    *((_DWORD *)BugCheckParameter2 + 296) = v26 + 1;
    v27 = (PVOID *)*((_QWORD *)BugCheckParameter2 + 147);
    if( *v27 != (char *)BugCheckParameter2 + 1168 )
LABEL_31:
      __fastfail(3u);
    *(_QWORD *)v14 = (char *)BugCheckParameter2 + 1168;
    *((_QWORD *)v14 + 1) = v27;
    *v27 = v14;
    *((_QWORD *)BugCheckParameter2 + 147) = v14;
    if( *((_DWORD *)BugCheckParameter2 + 296) == 2 )
    {
      KeSetEvent(*((PRKEVENT *)BugCheckParameter2 + 145), 0, 0);
      goto LABEL_34;
    }
  }
LABEL_36:
  if( *((struct _KTHREAD **)BugCheckParameter2 + 1) != KeGetCurrentThread() )
  {
    v28 = (_ETHREAD *)KeGetCurrentThread();
    --v28->Tcb.KernelApcDisable;
    ExAcquirePushLockExclusiveEx((_EX_PUSH_LOCK *)BugCheckParameter2, 0i64);
    *((_QWORD *)BugCheckParameter2 + 1) = KeGetCurrentThread();
  }
  return *(_DWORD *)(*((_QWORD *)BugCheckParameter2 + 144) + 16i64) < (unsigned int)(7
                                                                                   * *(_DWORD *)(*((_QWORD *)BugCheckParameter2
                                                                                                 + 144)
                                                                                               + 20i64)) >> 3 ? ((unsigned int)(7 * *(_DWORD *)(*((_QWORD *)BugCheckParameter2 + 144) + 20i64)) >> 3) - *(_DWORD *)(*((_QWORD *)BugCheckParameter2 + 144) + 16i64) : 0;
}

Referenced by: