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annotate lwlink/map.c @ 426:652eee8f0c82
Fixed lw_expr_destroy() to not crash on NULL
| author | lost@l-w.ca |
|---|---|
| date | Sun, 19 Sep 2010 10:40:37 -0600 |
| parents | 54499b799779 |
| children |
| rev | line source |
|---|---|
| 339 | 1 /* |
| 2 map.c | |
| 3 Copyright © 2009 William Astle | |
| 4 | |
| 5 This file is part of LWLINK. | |
| 6 | |
| 7 LWLINK is free software: you can redistribute it and/or modify it under the | |
| 8 terms of the GNU General Public License as published by the Free Software | |
| 9 Foundation, either version 3 of the License, or (at your option) any later | |
| 10 version. | |
| 11 | |
| 12 This program is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 15 more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License along with | |
| 18 this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 | |
| 21 Output information about the linking process | |
| 22 */ | |
| 23 | |
| 24 #include <config.h> | |
| 25 | |
| 26 #include <errno.h> | |
| 27 #include <stdio.h> | |
| 28 #include <stdlib.h> | |
| 29 | |
| 30 #include "lwlink.h" | |
| 31 #include "util.h" | |
| 32 | |
| 33 struct symliste | |
| 34 { | |
| 35 char *name; | |
| 36 char *fn; | |
| 37 int addr; | |
| 38 int ext; | |
| 39 struct symliste *next; | |
| 40 }; | |
| 41 | |
| 42 void display_map(void) | |
| 43 { | |
| 44 FILE *of; | |
| 45 int sn; | |
| 46 int std = 0; | |
| 47 struct symliste *slist = NULL; | |
| 48 struct symliste *ce, *pe, *ne; | |
| 49 symtab_t *sym; | |
| 50 int i; | |
| 51 | |
| 52 if (!strcmp(map_file, "-")) | |
| 53 { | |
| 54 std = 1; | |
| 55 of = stdout; | |
| 56 } | |
| 57 else | |
| 58 { | |
| 59 of = fopen(map_file, "w"); | |
| 60 if (!of) | |
| 61 { | |
| 62 fprintf(stderr, "Cannot open map file - using stdout\n"); | |
| 63 std = 1; | |
| 64 of = stdout; | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 // display section list | |
| 69 for (sn = 0; sn < nsects; sn++) | |
| 70 { | |
| 71 fprintf(of, "Section: %s (%s) load at %04X, length %04X\n", | |
|
395
54499b799779
Q&D sanitization of symbols in map files and error messages in lwlink
lost@l-w.ca
parents:
378
diff
changeset
|
72 sanitize_symbol(sectlist[sn].ptr -> name), |
| 339 | 73 sectlist[sn].ptr -> file -> filename, |
| 74 sectlist[sn].ptr -> loadaddress, | |
| 75 sectlist[sn].ptr -> codesize | |
| 76 ); | |
| 77 } | |
| 78 | |
| 79 // generate a sorted list of symbols and display it | |
| 80 for (sn = 0; sn < nsects; sn++) | |
| 81 { | |
| 82 for (sym = sectlist[sn].ptr -> localsyms; sym; sym = sym -> next) | |
| 83 { | |
| 84 for (pe = NULL, ce = slist; ce; ce = ce -> next) | |
| 85 { | |
| 86 i = strcmp(ce -> name, sym -> sym); | |
| 87 if (i == 0) | |
| 88 { | |
| 89 i = strcmp(ce -> fn, sectlist[sn].ptr -> file -> filename); | |
| 90 } | |
| 91 if (i > 0) | |
| 92 break; | |
| 93 pe = ce; | |
| 94 } | |
| 95 ne = lw_malloc(sizeof(struct symliste)); | |
| 96 ne -> ext = 0; | |
| 97 ne -> addr = sym -> offset + sectlist[sn].ptr -> loadaddress; | |
| 98 ne -> next = ce; | |
| 99 ne -> name = sym -> sym; | |
| 100 ne -> fn = sectlist[sn].ptr -> file -> filename; | |
| 101 if (pe) | |
| 102 pe -> next = ne; | |
| 103 else | |
| 104 slist = ne; | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 for (ce = slist; ce; ce = ce -> next) | |
| 109 { | |
|
395
54499b799779
Q&D sanitization of symbols in map files and error messages in lwlink
lost@l-w.ca
parents:
378
diff
changeset
|
110 fprintf(of, "Symbol: %s (%s) = %04X\n", sanitize_symbol(ce -> name), ce -> fn, ce -> addr); |
| 339 | 111 } |
| 112 | |
| 113 if (!std) | |
| 114 fclose(of); | |
| 115 } |