OSX/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 #include "feeDebug.h"
  33
  34 #ifdef  FEE_DEBUG
  35 #define ECDSA_PROFILE   0
  36 #else   /* FEE_DEBUG */
  37 #define ECDSA_PROFILE   0       /* always off */
  38 #endif  /* FEE_DEBUG */
  39
  40 #if     ECDSA_PROFILE
  41
  42 #include <kern/time_stamp.h>
  43
  44 /*
  45  * Unlike the profiling macros in feeDebug.h, these are intended to
  46  * be used for fragments of code, not entire functions.
  47  */
  48 #define SIGPROF_START                           \
  49 {                                               \
  50         struct tsval _profStartTime;            \
  51         struct tsval _profEndTime;              \
  52         kern_timestamp(&_profStartTime);
  53
  54 /*
  55  * This one goes at the end of the routine, just before the (only) return.
  56  * There must be a static accumulator (an unsigned int) on a per-routine basis.
  57  */
  58 #define SIGPROF_END(accum)                                              \
  59         kern_timestamp(&_profEndTime);                                  \
  60         accum += (_profEndTime.low_val - _profStartTime.low_val);       \
  61 }
  62
  63
  64 /*
  65  * Accumulators.
  66  */
  67 extern unsigned signStep1;
  68 extern unsigned signStep2;
  69 extern unsigned signStep34;
  70 extern unsigned signStep5;
  71 extern unsigned signStep67;
  72 extern unsigned signStep8;
  73 extern unsigned vfyStep1;
  74 extern unsigned vfyStep3;
  75 extern unsigned vfyStep4;
  76 extern unsigned vfyStep5;
  77 extern unsigned vfyStep6;
  78 extern unsigned vfyStep7;
  79
  80 #else   /* ECDSA_PROFILE */
  81
  82 #define SIGPROF_START
  83 #define SIGPROF_END(accum)
  84
  85 #endif  /* ECDSA_PROFILE */
  86
  87 #endif  /* _CK_ECDSA_PROFILE_H_ */