Security/libsecurity_cryptkit/lib/ECDSA_Profile.h

   1 /*
   2         File:           ECDSA_Profile.h
   3
   4         Contains:       ECDSA Profiling support.
   5
   6
   7         Copyright:      Copyright (c) 1998,2011,2014 Apple Inc. All Rights Reserved.
   8
   9         Change History (most recent first):
  10
  11                  <7>    10/06/98        ap              Changed to compile with C++.
  12
  13         To Do:
  14 */
  15
  16 /* Copyright (c) 1998,2011,2014 Apple Inc.  All Rights Reserved.
  17  *
  18  * NOTICE: USE OF THE MATERIALS ACCOMPANYING THIS NOTICE IS SUBJECT
  19  * TO THE TERMS OF THE SIGNED "FAST ELLIPTIC ENCRYPTION (FEE) REFERENCE
  20  * SOURCE CODE EVALUATION AGREEMENT" BETWEEN APPLE, INC. AND THE
  21  * ORIGINAL LICENSEE THAT OBTAINED THESE MATERIALS FROM APPLE,
  22  * INC.  ANY USE OF THESE MATERIALS NOT PERMITTED BY SUCH AGREEMENT WILL
  23  * EXPOSE YOU TO LIABILITY.
  24  ***************************************************************************
  25  */
  26
  27 #ifndef _CK_ECDSA_PROFILE_H_
  28 #define _CK_ECDSA_PROFILE_H_
  29
  30 #include "ckconfig.h"
  31
  32 #if CRYPTKIT_ECDSA_ENABLE
  33
  34 #include "feeDebug.h"
  35
  36 #ifdef  FEE_DEBUG
  37 #define ECDSA_PROFILE   0
  38 #else   /* FEE_DEBUG */
  39 #define ECDSA_PROFILE   0       /* always off */
  40 #endif  /* FEE_DEBUG */
  41
  42 #if     ECDSA_PROFILE
  43
  44 #include <kern/time_stamp.h>
  45
  46 /*
  47  * Unlike the profiling macros in feeDebug.h, these are intended to
  48  * be used for fragments of code, not entire functions.
  49  */
  50 #define SIGPROF_START                           \
  51 {                                               \
  52         struct tsval _profStartTime;            \
  53         struct tsval _profEndTime;              \
  54         kern_timestamp(&_profStartTime);
  55
  56 /*
  57  * This one goes at the end of the routine, just before the (only) return.
  58  * There must be a static accumulator (an unsigned int) on a per-routine basis.
  59  */
  60 #define SIGPROF_END(accum)                                              \
  61         kern_timestamp(&_profEndTime);                                  \
  62         accum += (_profEndTime.low_val - _profStartTime.low_val);       \
  63 }
  64
  65
  66 /*
  67  * Accumulators.
  68  */
  69 extern unsigned signStep1;
  70 extern unsigned signStep2;
  71 extern unsigned signStep34;
  72 extern unsigned signStep5;
  73 extern unsigned signStep67;
  74 extern unsigned signStep8;
  75 extern unsigned vfyStep1;
  76 extern unsigned vfyStep3;
  77 extern unsigned vfyStep4;
  78 extern unsigned vfyStep5;
  79 extern unsigned vfyStep6;
  80 extern unsigned vfyStep7;
  81
  82 #else   /* ECDSA_PROFILE */
  83
  84 #define SIGPROF_START
  85 #define SIGPROF_END(accum)
  86
  87 #endif  /* ECDSA_PROFILE */
  88
  89 #endif  /* CRYPTKIT_ECDSA_ENABLE */
  90 #endif  /* _CK_ECDSA_PROFILE_H_ */