ede51255 |
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; |
368deb23 |
41 | unsigned int callsites:1; |
8022df01 |
42 | unsigned int found:1; |
ede51255 |
43 | }; |
44 | |
45 | static int cmp_sym(const void *p1_, const void *p2_) |
46 | { |
47 | const struct sl_item *p1 = p1_, *p2 = p2_; |
48 | const char *s1 = p1->name, *s2 = p2->name; |
49 | int i; |
50 | |
51 | for (i = 0; ; i++) { |
0c5547d1 |
52 | if ((s1[i] | s2[i]) == 0) |
53 | break; |
54 | |
ede51255 |
55 | if (s1[i] == s2[i]) |
56 | continue; |
57 | |
0c5547d1 |
58 | if (s1[i] == 0 && s2[i] == '@') |
59 | break; |
60 | if (s1[i] == '@' && s2[i] == 0) |
ede51255 |
61 | break; |
62 | |
63 | return s1[i] - s2[i]; |
64 | } |
65 | |
66 | return 0; |
67 | } |
68 | |
69 | static int cmp_sym_sort(const void *p1_, const void *p2_) |
70 | { |
71 | const struct sl_item *p1 = p1_, *p2 = p2_; |
72 | const char *s1 = p1->name, *s2 = p2->name; |
73 | int ret; |
74 | |
75 | ret = cmp_sym(p1_, p2_); |
76 | if (ret == 0) { |
77 | printf("%s: dupe sym: '%s' '%s'\n", __func__, s1, s2); |
78 | exit(1); |
79 | } |
80 | return ret; |
81 | } |
82 | |
368deb23 |
83 | void read_list(struct sl_item **sl_in, int *cnt, int *alloc, |
84 | FILE *f, int callsites) |
ede51255 |
85 | { |
86 | struct sl_item *sl = *sl_in; |
87 | int c = *cnt; |
88 | char line[256]; |
89 | char word[256]; |
ede51255 |
90 | |
91 | while (fgets(line, sizeof(line), f) != NULL) { |
0c5547d1 |
92 | next_word(word, sizeof(word), line); |
93 | if (word[0] == 0 || word[0] == ';' || word[0] == '#') |
ede51255 |
94 | continue; |
95 | |
96 | sl[c].name = strdup(word); |
368deb23 |
97 | sl[c].callsites = callsites; |
8022df01 |
98 | sl[c].found = 0; |
ede51255 |
99 | c++; |
100 | |
101 | if (c >= *alloc) { |
102 | *alloc *= 2; |
103 | sl = realloc(sl, *alloc * sizeof(sl[0])); |
104 | my_assert_not(sl, NULL); |
8022df01 |
105 | memset(sl + c, 0, (*alloc - c) * sizeof(sl[0])); |
ede51255 |
106 | } |
107 | } |
108 | |
109 | *sl_in = sl; |
110 | *cnt = c; |
111 | } |
112 | |
8022df01 |
113 | const char *sym_use(const struct sl_item *sym) |
114 | { |
115 | static char buf[256+3]; |
116 | int ret; |
117 | |
0c5547d1 |
118 | ret = snprintf(buf, sizeof(buf), "rm_%s", sym->name); |
8022df01 |
119 | if (ret >= sizeof(buf)) { |
120 | printf("truncation detected: '%s'\n", buf); |
121 | exit(1); |
122 | } |
123 | |
124 | return buf; |
125 | } |
126 | |
ede51255 |
127 | int main(int argc, char *argv[]) |
128 | { |
8022df01 |
129 | struct sl_item *symlist, *sym, ssym = { NULL, }; |
368deb23 |
130 | int patch_callsites = 0; |
ede51255 |
131 | FILE *fout, *fin, *f; |
132 | int symlist_alloc; |
133 | int symlist_cnt; |
134 | char line[256]; |
135 | char word[256]; |
136 | char word2[256]; |
137 | char word3[256]; |
138 | char word4[256]; |
139 | char *p; |
8022df01 |
140 | int i; |
ede51255 |
141 | |
368deb23 |
142 | if (argc < 4) { |
143 | // -c - patch callsites |
144 | printf("usage:\n%s <asmf_out> <asmf_in> [[-c] <listf>]*>\n", |
ede51255 |
145 | argv[0]); |
146 | return 1; |
147 | } |
148 | |
149 | symlist_alloc = 16; |
150 | symlist_cnt = 0; |
8022df01 |
151 | symlist = calloc(symlist_alloc, sizeof(symlist[0])); |
ede51255 |
152 | my_assert_not(symlist, NULL); |
153 | |
368deb23 |
154 | for (i = 3; i < argc; i++) { |
0c5547d1 |
155 | if (strcmp(argv[i], "-c") == 0) { |
368deb23 |
156 | patch_callsites = 1; |
157 | continue; |
158 | } |
159 | |
160 | f = fopen(argv[i], "r"); |
161 | my_assert_not(f, NULL); |
162 | read_list(&symlist, &symlist_cnt, &symlist_alloc, |
163 | f, patch_callsites); |
164 | fclose(f); |
ede51255 |
165 | |
368deb23 |
166 | patch_callsites = 0; |
167 | } |
ede51255 |
168 | |
169 | qsort(symlist, symlist_cnt, sizeof(symlist[0]), cmp_sym_sort); |
170 | |
8022df01 |
171 | #if 0 |
172 | printf("symlist:\n"); |
173 | for (i = 0; i < symlist_cnt; i++) |
368deb23 |
174 | printf("%d '%s'\n", symlist[i].callsites, symlist[i].name); |
8022df01 |
175 | #endif |
ede51255 |
176 | |
177 | fin = fopen(argv[2], "r"); |
178 | my_assert_not(fin, NULL); |
179 | |
180 | fout = fopen(argv[1], "w"); |
181 | my_assert_not(fout, NULL); |
182 | |
183 | while (fgets(line, sizeof(line), fin)) |
184 | { |
185 | p = sskip(line); |
186 | if (*p == 0 || *p == ';') |
187 | goto pass; |
188 | |
189 | p = sskip(next_word(word, sizeof(word), p)); |
190 | if (*p == 0 || *p == ';') |
191 | goto pass; // need at least 2 words |
192 | |
193 | p = next_word(word2, sizeof(word2), p); |
194 | |
195 | if (!strcasecmp(word2, "proc") || !strcasecmp(word2, "endp")) { |
196 | ssym.name = word; |
197 | sym = bsearch(&ssym, symlist, symlist_cnt, |
198 | sizeof(symlist[0]), cmp_sym); |
199 | if (sym != NULL) { |
8022df01 |
200 | sym->found = 1; |
ede51255 |
201 | fprintf(fout, "rm_%s\t%s%s", word, word2, p); |
202 | continue; |
203 | } |
204 | } |
205 | |
206 | if (!strcasecmp(word, "call") || !strcasecmp(word, "jmp")) { |
207 | ssym.name = word2; |
208 | sym = bsearch(&ssym, symlist, symlist_cnt, |
209 | sizeof(symlist[0]), cmp_sym); |
368deb23 |
210 | if (sym != NULL && sym->callsites) { |
8022df01 |
211 | fprintf(fout, "\t\t%s\t%s%s", word, |
212 | sym_use(sym), p); |
ede51255 |
213 | continue; |
214 | } |
215 | } |
216 | |
217 | p = sskip(p); |
218 | if (*p == 0 || *p == ';') |
219 | goto pass; // need at least 3 words |
220 | |
221 | p = next_word(word3, sizeof(word3), p); |
222 | |
223 | if (!strcasecmp(word, "dd") && !strcasecmp(word2, "offset")) { |
224 | ssym.name = word3; |
225 | sym = bsearch(&ssym, symlist, symlist_cnt, |
226 | sizeof(symlist[0]), cmp_sym); |
368deb23 |
227 | if (sym != NULL && sym->callsites) { |
8022df01 |
228 | fprintf(fout, "\t\tdd offset %s%s", |
229 | sym_use(sym), p); |
ede51255 |
230 | continue; |
231 | } |
232 | } |
233 | |
234 | p = sskip(p); |
235 | if (*p == 0 || *p == ';') |
236 | goto pass; // need at least 4 words |
237 | |
238 | p = next_word(word4, sizeof(word4), p); |
239 | |
240 | if (!strcasecmp(word2, "dd") && !strcasecmp(word3, "offset")) { |
241 | ssym.name = word4; |
242 | sym = bsearch(&ssym, symlist, symlist_cnt, |
243 | sizeof(symlist[0]), cmp_sym); |
368deb23 |
244 | if (sym != NULL && sym->callsites) { |
8022df01 |
245 | fprintf(fout, "%s\tdd offset %s%s", word, |
246 | sym_use(sym), p); |
ede51255 |
247 | continue; |
248 | } |
249 | } |
250 | |
251 | pass: |
252 | fwrite(line, 1, strlen(line), fout); |
253 | } |
254 | |
8022df01 |
255 | for (i = 0; i < symlist_cnt; i++) { |
256 | if (!symlist[i].found) |
257 | printf("warning: sym '%s' not found\n", symlist[i].name); |
258 | } |
259 | |
ede51255 |
260 | fclose(fin); |
261 | fclose(fout); |
262 | |
263 | return 0; |
264 | } |