sys/arch/i386/include/tlog.h

   1 /*      $NetBSD: tlog.h,v 1.4 2004/02/13 11:36:14 wiz Exp $     */
   2
   3 /*
   4  * Trap log.  Per-CPU ring buffer containing a log of the last 2**N
   5  * traps.
   6  */
   7
   8 struct trec
   9 {
  10         uint32_t        tr_sp;  /* stack pointer */
  11         uint32_t        tr_hpc; /* handler pc */
  12         uint32_t        tr_ipc; /* interrupted pc */
  13         uint32_t        tr_tsc; /* timestamp counter */
  14         uint32_t        tr_lbf; /* MSR_LAST{BRANCH,INT}{FROM,TO}IP */
  15         uint32_t        tr_lbt;
  16         uint32_t        tr_ibf;
  17         uint32_t        tr_ibt;
  18 };
  19
  20 struct tlog
  21 {
  22         struct trec     tl_recs[128];
  23 };
  24
  25
  26