mind.c

   1 /*
   2   Copyright (c) 2008, STMicroelectronics
   3   All rights reserved.
   4
   5   Redistribution and use in source and binary forms, with or without
   6   modification, are permitted provided that the following conditions
   7   are met:
   8
   9       * Redistributions of source code must retain the above copyright
  10         notice, this list of conditions and the following disclaimer.
  11       * Redistributions in binary form must reproduce the above copyright
  12         notice, this list of conditions and the following disclaimer in the
  13         documentation and/or other materials provided with the distribution.
  14       * Neither the name of STMicroelectronics nor the names of its
  15         contributors may be used to endorse or promote products derived
  16         from this software without specific prior written permission.
  17
  18   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  24   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  25   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  26   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  27   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30   Contact: cedric.vincent@st.com
  31 */
  32
  33 #include <stdlib.h>   /* NULL, */
  34 #include <stdio.h>    /* fprintf(3),  */
  35 #include <string.h>   /* strlen(3), */
  36 #include <libelf.h>   /* elf_errmsg(3), */
  37 #include <inttypes.h> /* PRIu32, */
  38 #include <unistd.h>   /* getopt(3), */
  39
  40 #include <meminfo.h> /* meminfo*, */
  41 #include "license.h" /* LICENSE */
  42
  43 static void print_usage()
  44 {
  45         fprintf(stderr, "MemINfo Dumper usage:\n\n");
  46         fprintf(stderr, "    mind [elf-file]\n");
  47         fprintf(stderr, "or\n");
  48         fprintf(stderr, "    mind [options]\n");
  49         fprintf(stderr, "\nOptions:\n");
  50         fprintf(stderr, "    -h    Print this help.\n");
  51         fprintf(stderr, "    -l    Print the license.\n");
  52 }
  53
  54 static void print_license()
  55 {
  56         char license[] = { LICENSE };
  57         fprintf(stderr, "%s\n", license);
  58 }
  59
  60 extern char *optarg;
  61 extern int optind;
  62
  63 int main(int argc, char **argv)
  64 {
  65         struct meminfo *meminfo = NULL;
  66         char flag = '\0';
  67         int status = 0;
  68         int i = 0;
  69
  70         /* Parse options. */
  71         while ((flag = getopt(argc, argv, "hl")) != (char) -1) {
  72                 switch (flag) {
  73                 case 'l':
  74                         print_license();
  75                         exit(EXIT_SUCCESS);
  76                 case 'h':
  77                 default:
  78                         print_usage();
  79                         exit(EXIT_FAILURE);
  80                 }
  81         }
  82
  83         if (argc - optind != 1) {
  84                 print_usage();
  85                 exit(EXIT_FAILURE);
  86         }
  87
  88         status = meminfo_read_file(argv[optind], &meminfo);
  89         if (status <= 0) {
  90                 switch (status) {
  91                 case 0:
  92                         fprintf(stderr, "The meminfo table is empty.\n");
  93                         break;
  94                 case MEMINFO_ERROR_STRUCTURE:
  95                         fprintf(stderr, "Error: can't find meminfo entries.\n");
  96                         break;
  97                 case MEMINFO_ERROR_SYSTEM:
  98                         fprintf(stderr, "Error system: "); perror(NULL);
  99                         break;
 100                 case MEMINFO_ERROR_ELF:
 101                         fprintf(stderr, "Error ELF: %s\n", elf_errmsg(0));
 102                         break;
 103                 default:
 104                         fprintf(stderr, "Error: I lost my mind...\n");
 105                         break;
 106                 }
 107                 exit(EXIT_FAILURE);
 108         }
 109
 110         for (i = 0; i < status; i++) {
 111                 printf("%-10s : ", (char *)meminfo[i].name);
 112                 printf("origin = 0x%08"PRIX32", ",   meminfo[i].origin);
 113                 printf("length = 0x%08"PRIX32", ",   meminfo[i].length);
 114                 printf("flags = 0x%08"PRIX32", ",    meminfo[i].flags);
 115                 printf("not_flags = 0x%08"PRIX32" ", meminfo[i].not_flags);
 116
 117                 printf("[");
 118                 if (meminfo[i].flags & MEMINFO_READONLY)    printf("r");
 119                 if (meminfo[i].flags & MEMINFO_READWRITE)   printf("w");
 120                 if (meminfo[i].flags & MEMINFO_EXECUTABLE)  printf("x");
 121                 if (meminfo[i].flags & MEMINFO_ALLOCATABLE) printf("a");
 122                 if (meminfo[i].flags & MEMINFO_INITIALIZED) printf("i");
 123                 if (meminfo[i].not_flags & MEMINFO_READONLY)    printf("!r");
 124                 if (meminfo[i].not_flags & MEMINFO_READWRITE)   printf("!w");
 125                 if (meminfo[i].not_flags & MEMINFO_EXECUTABLE)  printf("!x");
 126                 if (meminfo[i].not_flags & MEMINFO_ALLOCATABLE) printf("!a");
 127                 if (meminfo[i].not_flags & MEMINFO_INITIALIZED) printf("!i");
 128                 printf("]\n");
 129         }
 130
 131         free(meminfo);
 132         meminfo = NULL;
 133
 134         exit(EXIT_SUCCESS);
 135 }
 136