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annotate objgrep/main.c @ 345:b595ff13547b

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fluid-mnf/target.c: ported, passed compilation
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 13 Mar 2020 06:11:33 +0000
parents 77cd647375e5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * objgrep main() function
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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 <string.h>
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9 #include <strings.h>
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10 #include <unistd.h>
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11 #include "globals.h"
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12 #include "intstruct.h"
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13
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14 static int rflag, sflag;
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15
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16 main(argc, argv)
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17 char **argv;
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18 {
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19 unsigned n;
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20 int c;
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21 extern int optind;
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22
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23 while ((c = getopt(argc, argv, "rs")) != EOF)
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24 switch (c) {
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25 case 'r':
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26 rflag++;
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27 continue;
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28 case 's':
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29 sflag++;
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30 continue;
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31 default:
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32 usage:
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33 fprintf(stderr,
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34 "usage: %s [-rs] objfile section binfile\n",
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35 argv[0]);
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36 exit(2);
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37 }
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38 if (argc - optind != 3)
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39 goto usage;
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40
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41 objfilename = argv[optind];
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42 mmap_objfile();
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43 initial_parse_hdr();
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44 get_int_section_table();
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45 for (n = 0; n < nsections; n++)
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46 if (!strcmp(sections[n].name, argv[optind+1])) {
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47 grep_section = sections + n;
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48 break;
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49 }
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50 if (!grep_section) {
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51 fprintf(stderr, "no section named \"%s\" found in %s\n",
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52 argv[optind+1], objfilename);
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53 exit(2);
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54 }
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55 if (!grep_section->size) {
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56 printf("%s:%s is empty\n", objfilename, grep_section->name);
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57 exit(1);
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58 }
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59 get_int_symbol_table();
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60 prepare_pattern();
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61 binfilename = argv[optind+2];
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62 mmap_binfile();
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63 if (!do_grep()) {
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64 printf("no match\n");
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65 exit(1);
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66 }
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67 printf("%s:%s found in %s at 0x%x\n", objfilename, grep_section->name,
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68 binfilename, match_offset);
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69 if (sflag)
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70 dump_symtab_on_match();
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71 if (rflag && grep_section->nreloc) {
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72 process_relocs_on_match();
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73 if (nreloc_ext)
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74 dump_ext_relocs_on_match();
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75 if (nreloc_int)
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76 dump_reloc_symtab_on_match();
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77 }
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78 exit(0);
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79 }