git.sur5r.net Git - openocd/blob - src/target/trace.c

   1 /***************************************************************************
   2  *   Copyright (C) 2005, 2007 by Dominic Rath                              *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "replacements.h"
  25 #include "log.h"
  26 #include "trace.h"
  27 #include "target.h"
  28
  29 #include <stdlib.h>
  30
  31 int handle_trace_history_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
  32 {
  33         target_t *target = get_current_target(cmd_ctx);
  34         trace_t *trace = target->trace_info;
  35
  36         if (argc > 0)
  37         {
  38                 if (trace->trace_history)
  39                         free(trace->trace_history);
  40
  41                 trace->trace_history_size = strtoul(args[0], NULL, 0);
  42                 trace->trace_history = malloc(sizeof(u32) * trace->trace_history_size);
  43
  44                 command_print(cmd_ctx, "new trace history size: %i", trace->trace_history_size);
  45         }
  46         else
  47         {
  48                 int i;
  49
  50                 for (i = 0; i < trace->trace_history_size; i++)
  51                 {
  52                         if (trace->trace_history[i] < trace->num_trace_points)
  53                         {
  54                                 u32 address;
  55                                 address = trace->trace_points[trace->trace_history[i]].address;
  56                                 command_print(cmd_ctx, "trace point %i: 0x%8.8x",
  57                                         trace->trace_history[i],
  58                                         address);
  59                         }
  60
  61                         else
  62                         {
  63                                 command_print(cmd_ctx, "trace point %i: -not defined-", trace->trace_history[i]);
  64                         }
  65                 }
  66         }
  67
  68         return ERROR_OK;
  69 }