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annotate leo-obj/tool/basics.c @ 162:8d30e1722e0f

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locked C139 bootloader reverse-engineered
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 15 May 2014 20:55:39 +0000
parents ed533d469838
children
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1 /*
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2 * This C module implements some "basic" dump commands
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <time.h>
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9 #include "filestruct.h"
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10 #include "intstruct.h"
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11 #include "globals.h"
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12
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13 extern unsigned get_u16(), get_u32();
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14
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15 dump_filehdr_info()
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16 {
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17 time_t timestamp;
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18 struct tm *timedec;
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19
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20 timestamp = get_u32(filehdr_struct->f_timdat);
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21 timedec = gmtime(&timestamp);
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22 printf("timestamp: %d-%02d-%02dT%02d:%02d:%02dZ\n",
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23 timedec->tm_year + 1900, timedec->tm_mon + 1, timedec->tm_mday,
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24 timedec->tm_hour, timedec->tm_min, timedec->tm_sec);
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25 printf("file flags: 0x%x\n", get_u16(filehdr_struct->f_flags));
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26 printf("%u sections, %u symtab entries\n", nsections, nsymtab);
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27 return(0);
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28 }
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29
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30 dump_sechdr()
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31 {
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32 unsigned n;
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33 struct internal_scnhdr *inf;
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34
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35 for (n = 0; n < nsections; n++) {
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36 inf = sections + n;
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37 printf("#%d: %s size=%u, flags=0x%x\n", n, inf->name,
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38 inf->size, inf->flags);
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39 printf("\t%u reloc, %u line entries\n",
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40 inf->nreloc, inf->nlineent);
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41 }
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42 return(0);
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43 }
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44
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45 cmd_sechdr()
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46 {
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47 get_int_section_table();
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48 dump_sechdr();
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49 exit(0);
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50 }
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51
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52 cmd_symtab(argc, argv)
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53 char **argv;
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54 {
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55 int c, show_aux = 0;
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56
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57 while ((c = getopt(argc, argv, "a")) != EOF)
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58 switch (c) {
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59 case 'a':
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60 show_aux++;
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61 continue;
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62 default:
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63 /* error msg already printed */
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64 exit(1);
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65 }
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66
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67 get_int_section_table();
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68 get_int_symbol_table();
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69 dump_symtab(show_aux);
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70 exit(0);
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71 }
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73 cmd_basics()
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74 {
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75 printf("%s:\n", objfilename);
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76 dump_filehdr_info();
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77 putchar('\n');
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78 get_int_section_table();
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79 printf("Sections:\n\n");
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80 dump_sechdr();
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81 putchar('\n');
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82 get_int_symbol_table();
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83 printf("Symbol table:\n\n");
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84 dump_symtab(0);
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85 putchar('\n');
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86 exit(0);
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87 }