| 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
| 4 | |
| 5 | #include "my_assert.h" |
| 6 | |
| 7 | static int my_isblank(char c) |
| 8 | { |
| 9 | return c == '\t' || c == ' ' || c == '\r' || c == '\n'; |
| 10 | } |
| 11 | |
| 12 | static char *sskip(char *s) |
| 13 | { |
| 14 | while (my_isblank(*s)) |
| 15 | s++; |
| 16 | |
| 17 | return s; |
| 18 | } |
| 19 | |
| 20 | static char *next_word(char *w, size_t wsize, char *s) |
| 21 | { |
| 22 | size_t i; |
| 23 | |
| 24 | s = sskip(s); |
| 25 | |
| 26 | for (i = 0; i < wsize - 1; i++) { |
| 27 | if (*s == 0 || my_isblank(s[i])) |
| 28 | break; |
| 29 | w[i] = s[i]; |
| 30 | } |
| 31 | w[i] = 0; |
| 32 | |
| 33 | if (*s != 0 && !my_isblank(s[i])) |
| 34 | printf("warning: '%s' truncated\n", w); |
| 35 | |
| 36 | return s + i; |
| 37 | } |
| 38 | |
| 39 | struct sl_item { |
| 40 | char *name; |
| 41 | int is_replace; |
| 42 | }; |
| 43 | |
| 44 | static int cmp_sym(const void *p1_, const void *p2_) |
| 45 | { |
| 46 | const struct sl_item *p1 = p1_, *p2 = p2_; |
| 47 | const char *s1 = p1->name, *s2 = p2->name; |
| 48 | int i; |
| 49 | |
| 50 | for (i = 0; ; i++) { |
| 51 | if (s1[i] == s2[i]) |
| 52 | continue; |
| 53 | |
| 54 | if (s1[i] == 0) { |
| 55 | if (s2[i] == 0 || s2[i] == '@') |
| 56 | break; |
| 57 | } |
| 58 | |
| 59 | if (s2[i] == 0 || s1[i] == '@') |
| 60 | break; |
| 61 | |
| 62 | return s1[i] - s2[i]; |
| 63 | } |
| 64 | |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | static int cmp_sym_sort(const void *p1_, const void *p2_) |
| 69 | { |
| 70 | const struct sl_item *p1 = p1_, *p2 = p2_; |
| 71 | const char *s1 = p1->name, *s2 = p2->name; |
| 72 | int ret; |
| 73 | |
| 74 | ret = cmp_sym(p1_, p2_); |
| 75 | if (ret == 0) { |
| 76 | printf("%s: dupe sym: '%s' '%s'\n", __func__, s1, s2); |
| 77 | exit(1); |
| 78 | } |
| 79 | return ret; |
| 80 | } |
| 81 | |
| 82 | void read_list(struct sl_item **sl_in, int *cnt, int *alloc, FILE *f, int is_repl) |
| 83 | { |
| 84 | struct sl_item *sl = *sl_in; |
| 85 | int c = *cnt; |
| 86 | char line[256]; |
| 87 | char word[256]; |
| 88 | char *r; |
| 89 | |
| 90 | while (fgets(line, sizeof(line), f) != NULL) { |
| 91 | r = next_word(word, sizeof(word), line); |
| 92 | if (r == word) |
| 93 | continue; |
| 94 | |
| 95 | sl[c].name = strdup(word); |
| 96 | sl[c].is_replace = is_repl; |
| 97 | c++; |
| 98 | |
| 99 | if (c >= *alloc) { |
| 100 | *alloc *= 2; |
| 101 | sl = realloc(sl, *alloc * sizeof(sl[0])); |
| 102 | my_assert_not(sl, NULL); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | *sl_in = sl; |
| 107 | *cnt = c; |
| 108 | } |
| 109 | |
| 110 | int main(int argc, char *argv[]) |
| 111 | { |
| 112 | struct sl_item *symlist, *sym, ssym; |
| 113 | FILE *fout, *fin, *f; |
| 114 | int symlist_alloc; |
| 115 | int symlist_cnt; |
| 116 | char line[256]; |
| 117 | char word[256]; |
| 118 | char word2[256]; |
| 119 | char word3[256]; |
| 120 | char word4[256]; |
| 121 | char *p; |
| 122 | |
| 123 | if (argc != 5) { |
| 124 | // rmlist - prefix func with 'rm_', callsites with '_' |
| 125 | // renlist - prefix func and callsites with 'rm_' |
| 126 | printf("usage:\n%s <asmf_out> <asmf_in> <rmlist> <renlist>\n", |
| 127 | argv[0]); |
| 128 | return 1; |
| 129 | } |
| 130 | |
| 131 | symlist_alloc = 16; |
| 132 | symlist_cnt = 0; |
| 133 | symlist = malloc(symlist_alloc * sizeof(symlist[0])); |
| 134 | my_assert_not(symlist, NULL); |
| 135 | |
| 136 | f = fopen(argv[3], "r"); |
| 137 | my_assert_not(f, NULL); |
| 138 | read_list(&symlist, &symlist_cnt, &symlist_alloc, f, 1); |
| 139 | fclose(f); |
| 140 | |
| 141 | f = fopen(argv[4], "r"); |
| 142 | my_assert_not(f, NULL); |
| 143 | read_list(&symlist, &symlist_cnt, &symlist_alloc, f, 0); |
| 144 | fclose(f); |
| 145 | |
| 146 | qsort(symlist, symlist_cnt, sizeof(symlist[0]), cmp_sym_sort); |
| 147 | |
| 148 | printf("symlist:\n"); |
| 149 | int i; |
| 150 | for (i = 0; i < symlist_cnt; i++) |
| 151 | printf("%d '%s'\n", symlist[i].is_replace, symlist[i].name); |
| 152 | |
| 153 | fin = fopen(argv[2], "r"); |
| 154 | my_assert_not(fin, NULL); |
| 155 | |
| 156 | fout = fopen(argv[1], "w"); |
| 157 | my_assert_not(fout, NULL); |
| 158 | |
| 159 | while (fgets(line, sizeof(line), fin)) |
| 160 | { |
| 161 | p = sskip(line); |
| 162 | if (*p == 0 || *p == ';') |
| 163 | goto pass; |
| 164 | |
| 165 | p = sskip(next_word(word, sizeof(word), p)); |
| 166 | if (*p == 0 || *p == ';') |
| 167 | goto pass; // need at least 2 words |
| 168 | |
| 169 | p = next_word(word2, sizeof(word2), p); |
| 170 | |
| 171 | if (!strcasecmp(word2, "proc") || !strcasecmp(word2, "endp")) { |
| 172 | ssym.name = word; |
| 173 | sym = bsearch(&ssym, symlist, symlist_cnt, |
| 174 | sizeof(symlist[0]), cmp_sym); |
| 175 | if (sym != NULL) { |
| 176 | fprintf(fout, "rm_%s\t%s%s", word, word2, p); |
| 177 | continue; |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | if (!strcasecmp(word, "call") || !strcasecmp(word, "jmp")) { |
| 182 | ssym.name = word2; |
| 183 | sym = bsearch(&ssym, symlist, symlist_cnt, |
| 184 | sizeof(symlist[0]), cmp_sym); |
| 185 | if (sym != NULL) { |
| 186 | fprintf(fout, "\t\t%s\t%s%s%s", word, |
| 187 | sym->is_replace ? "_" : "rm_", word2, p); |
| 188 | continue; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | p = sskip(p); |
| 193 | if (*p == 0 || *p == ';') |
| 194 | goto pass; // need at least 3 words |
| 195 | |
| 196 | p = next_word(word3, sizeof(word3), p); |
| 197 | |
| 198 | if (!strcasecmp(word, "dd") && !strcasecmp(word2, "offset")) { |
| 199 | ssym.name = word3; |
| 200 | sym = bsearch(&ssym, symlist, symlist_cnt, |
| 201 | sizeof(symlist[0]), cmp_sym); |
| 202 | if (sym != NULL) { |
| 203 | fprintf(fout, "\t\tdd offset %s%s", word3, p); |
| 204 | continue; |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | p = sskip(p); |
| 209 | if (*p == 0 || *p == ';') |
| 210 | goto pass; // need at least 4 words |
| 211 | |
| 212 | p = next_word(word4, sizeof(word4), p); |
| 213 | |
| 214 | if (!strcasecmp(word2, "dd") && !strcasecmp(word3, "offset")) { |
| 215 | ssym.name = word4; |
| 216 | sym = bsearch(&ssym, symlist, symlist_cnt, |
| 217 | sizeof(symlist[0]), cmp_sym); |
| 218 | if (sym != NULL) { |
| 219 | fprintf(fout, "%s\tdd offset %s%s%s", word, |
| 220 | sym->is_replace ? "_" : "rm_", word4, p); |
| 221 | continue; |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | pass: |
| 226 | fwrite(line, 1, strlen(line), fout); |
| 227 | } |
| 228 | |
| 229 | fclose(fin); |
| 230 | fclose(fout); |
| 231 | |
| 232 | return 0; |
| 233 | } |