gdb/common/btrace-common.c

   1 /* Copyright (C) 2014-2015 Free Software Foundation, Inc.
   2
   3    Contributed by Intel Corp. <markus.t.metzger@intel.com>
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "common-defs.h"
  21 #include "btrace-common.h"
  22
  23
  24 /* See btrace-common.h.  */
  25
  26 const char *
  27 btrace_format_string (enum btrace_format format)
  28 {
  29   switch (format)
  30     {
  31     case BTRACE_FORMAT_NONE:
  32       return _("No or unknown format");
  33
  34     case BTRACE_FORMAT_BTS:
  35       return _("Branch Trace Store");
  36
  37     case BTRACE_FORMAT_PT:
  38       return _("Intel(R) Processor Trace");
  39     }
  40
  41   internal_error (__FILE__, __LINE__, _("Unknown branch trace format"));
  42 }
  43
  44 /* See btrace-common.h.  */
  45
  46 void
  47 btrace_data_init (struct btrace_data *data)
  48 {
  49   data->format = BTRACE_FORMAT_NONE;
  50 }
  51
  52 /* See btrace-common.h.  */
  53
  54 void
  55 btrace_data_fini (struct btrace_data *data)
  56 {
  57   switch (data->format)
  58     {
  59     case BTRACE_FORMAT_NONE:
  60       /* Nothing to do.  */
  61       return;
  62
  63     case BTRACE_FORMAT_BTS:
  64       VEC_free (btrace_block_s, data->variant.bts.blocks);
  65       return;
  66
  67     case BTRACE_FORMAT_PT:
  68       xfree (data->variant.pt.data);
  69       return;
  70     }
  71
  72   internal_error (__FILE__, __LINE__, _("Unkown branch trace format."));
  73 }
  74
  75 /* See btrace-common.h.  */
  76
  77 int
  78 btrace_data_empty (struct btrace_data *data)
  79 {
  80   switch (data->format)
  81     {
  82     case BTRACE_FORMAT_NONE:
  83       return 1;
  84
  85     case BTRACE_FORMAT_BTS:
  86       return VEC_empty (btrace_block_s, data->variant.bts.blocks);
  87
  88     case BTRACE_FORMAT_PT:
  89       return (data->variant.pt.size == 0);
  90     }
  91
  92   internal_error (__FILE__, __LINE__, _("Unkown branch trace format."));
  93 }