FreeCalypso > hg > fc-am-toolkit

annotate bootmatch/comp_ranges.c @ 15:36e65605d16a

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bootutil: add c155-analyze-boot
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 10 Jun 2023 05:35:37 +0000
parents bfcc8180cf3c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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9
bfcc8180cf3c bootmatch compiler written
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1 /*
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2 * Bootmatch compiler: here we read and parse the *.ranges file.
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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 <ctype.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include "comp_defs.h"
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10
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11 extern struct range range_list[MAX_RANGES];
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12 extern unsigned range_count;
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13
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14 static void
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15 process_line(line, filename, lineno)
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16 char *line, *filename;
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17 {
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18 char *cp;
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19 struct range *rp;
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20 u_long hex_start, hex_end;
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21
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22 for (cp = line; isspace(*cp); cp++)
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23 ;
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24 if (*cp == '\0' || *cp == '#')
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25 return;
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26 if (!isxdigit(*cp)) {
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27 inv_syntax: fprintf(stderr, "%s line %d: invalid syntax\n",
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28 filename, lineno);
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29 exit(1);
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30 }
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31 hex_start = strtoul(cp, &cp, 16);
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32 if (!isspace(*cp))
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33 goto inv_syntax;
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34 while (isspace(*cp))
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35 cp++;
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36 if (!isxdigit(*cp))
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37 goto inv_syntax;
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38 hex_end = strtoul(cp, &cp, 16);
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39 if (*cp && !isspace(*cp))
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40 goto inv_syntax;
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41 while (isspace(*cp))
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42 cp++;
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43 if (*cp && *cp != '#')
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44 goto inv_syntax;
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45 if (hex_start >= BOOT_BLOCK_SIZE) {
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46 fprintf(stderr, "%s line %d: start offset is out of range\n",
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47 filename, lineno);
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48 exit(1);
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49 }
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50 if (hex_end >= BOOT_BLOCK_SIZE) {
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51 fprintf(stderr, "%s line %d: end offset is out of range\n",
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52 filename, lineno);
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53 exit(1);
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54 }
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55 if (hex_start >= hex_end) {
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56 fprintf(stderr,
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57 "%s line %d: end offset must be greater than start offset\n",
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58 filename, lineno);
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59 exit(1);
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60 }
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61 if (range_count >= MAX_RANGES) {
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62 fprintf(stderr, "%s line %d: too many ranges defined\n",
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63 filename, lineno);
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64 exit(1);
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65 }
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66 rp = range_list + range_count;
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67 rp->offset = hex_start;
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68 rp->nbytes = hex_end - hex_start;
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69 range_count++;
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70 }
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71
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72 void
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73 read_ranges_file(filename)
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74 char *filename;
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75 {
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76 FILE *inf;
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77 char linebuf[256];
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78 int lineno;
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79
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80 inf = fopen(filename, "r");
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81 if (!inf) {
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82 perror(filename);
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83 exit(1);
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84 }
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85 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++)
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86 process_line(linebuf, filename, lineno);
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87 fclose(inf);
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88 if (!range_count) {
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89 fprintf(stderr, "error: no ranges defined in %s\n", filename);
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90 exit(1);
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91 }
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92 }