libsecurity_cryptkit/lib/ECDSA_Profile.h

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