c36e914d |
1 | |
39b168b8 |
2 | struct parsed_proto; |
3 | |
3ebea2cf |
4 | struct parsed_type { |
5 | char *name; |
6 | unsigned int is_array:1; |
7 | unsigned int is_ptr:1; |
a652aa9f |
8 | unsigned int is_struct:1; // split for args |
3ebea2cf |
9 | }; |
10 | |
39b168b8 |
11 | struct parsed_proto_arg { |
12 | char *reg; |
3ebea2cf |
13 | struct parsed_type type; |
39b168b8 |
14 | struct parsed_proto *fptr; |
15 | void *datap; |
16 | }; |
17 | |
c36e914d |
18 | struct parsed_proto { |
39b168b8 |
19 | char name[256]; |
3ebea2cf |
20 | union { |
21 | struct parsed_type ret_type; |
22 | struct parsed_type type; |
23 | }; |
39b168b8 |
24 | struct parsed_proto_arg arg[16]; |
c36e914d |
25 | int argc; |
26 | int argc_stack; |
27 | int argc_reg; |
06c5d854 |
28 | unsigned int is_func:1; |
39b168b8 |
29 | unsigned int is_stdcall:1; |
c0050df6 |
30 | unsigned int is_fastcall:1; |
efea2951 |
31 | unsigned int is_vararg:1; // vararg func |
39b168b8 |
32 | unsigned int is_fptr:1; |
e56ab892 |
33 | unsigned int is_noreturn:1; |
89ff3147 |
34 | unsigned int is_unresolved:1; |
efea2951 |
35 | unsigned int is_arg:1; // decl in func arg |
a652aa9f |
36 | unsigned int has_structarg:1; |
c36e914d |
37 | }; |
38 | |
39 | static const char *hdrfn; |
40 | static int hdrfline = 0; |
41 | |
a652aa9f |
42 | static void pp_copy_arg(struct parsed_proto_arg *d, |
43 | const struct parsed_proto_arg *s); |
44 | |
bd96f656 |
45 | static int b_pp_c_handler(char *proto, const char *fname); |
46 | |
47 | static int do_protostrs(FILE *fhdr, const char *fname) |
c36e914d |
48 | { |
06c5d854 |
49 | const char *finc_name; |
bd96f656 |
50 | const char *hdrfn_saved; |
51 | char protostr[256]; |
36595fd2 |
52 | char path[256]; |
53 | char fname_inc[256]; |
39b168b8 |
54 | FILE *finc; |
c36e914d |
55 | int line = 0; |
39b168b8 |
56 | int ret; |
c36e914d |
57 | char *p; |
58 | |
bd96f656 |
59 | hdrfn_saved = hdrfn; |
60 | hdrfn = fname; |
39b168b8 |
61 | |
bd96f656 |
62 | while (fgets(protostr, sizeof(protostr), fhdr)) |
c36e914d |
63 | { |
64 | line++; |
bd96f656 |
65 | if (strncmp(protostr, "//#include ", 11) == 0) { |
66 | finc_name = protostr + 11; |
06c5d854 |
67 | p = strpbrk(finc_name, "\r\n "); |
39b168b8 |
68 | if (p != NULL) |
69 | *p = 0; |
70 | |
36595fd2 |
71 | path[0] = 0; |
72 | p = strrchr(hdrfn_saved, '/'); |
73 | if (p) { |
74 | memcpy(path, hdrfn_saved, |
75 | p - hdrfn_saved + 1); |
76 | path[p - hdrfn_saved + 1] = 0; |
77 | } |
78 | snprintf(fname_inc, sizeof(fname_inc), "%s%s", |
79 | path, finc_name); |
80 | finc = fopen(fname_inc, "r"); |
39b168b8 |
81 | if (finc == NULL) { |
82 | printf("%s:%d: can't open '%s'\n", |
36595fd2 |
83 | fname_inc, line, finc_name); |
39b168b8 |
84 | continue; |
85 | } |
bd96f656 |
86 | ret = do_protostrs(finc, finc_name); |
39b168b8 |
87 | fclose(finc); |
bd96f656 |
88 | if (ret < 0) |
39b168b8 |
89 | break; |
90 | continue; |
91 | } |
bd96f656 |
92 | if (strncmp(sskip(protostr), "//", 2) == 0) |
93 | continue; |
94 | |
95 | p = protostr + strlen(protostr); |
96 | for (p--; p >= protostr && my_isblank(*p); --p) |
97 | *p = 0; |
98 | if (p < protostr) |
06c5d854 |
99 | continue; |
39b168b8 |
100 | |
bd96f656 |
101 | hdrfline = line; |
102 | |
103 | ret = b_pp_c_handler(protostr, hdrfn); |
104 | if (ret < 0) |
c36e914d |
105 | break; |
106 | } |
c36e914d |
107 | |
bd96f656 |
108 | hdrfn = hdrfn_saved; |
c36e914d |
109 | |
bd96f656 |
110 | if (feof(fhdr)) |
111 | return 0; |
c36e914d |
112 | |
bd96f656 |
113 | return -1; |
c36e914d |
114 | } |
115 | |
116 | static int get_regparm(char *dst, size_t dlen, char *p) |
117 | { |
118 | int i, o; |
119 | |
120 | if (*p != '<') |
121 | return 0; |
122 | |
123 | for (o = 0, i = 1; o < dlen; i++) { |
124 | if (p[i] == 0) |
125 | return 0; |
126 | if (p[i] == '>') |
127 | break; |
128 | dst[o++] = p[i]; |
129 | } |
130 | dst[o] = 0; |
131 | return i + 1; |
132 | } |
133 | |
134 | // hmh.. |
64c59faf |
135 | static const char *known_type_mod[] = { |
136 | "const", |
137 | "signed", |
138 | "unsigned", |
3ebea2cf |
139 | "struct", |
140 | "enum", |
840257f6 |
141 | "CONST", |
92804a48 |
142 | "volatile", |
64c59faf |
143 | }; |
144 | |
3ebea2cf |
145 | static const char *known_ptr_types[] = { |
da87ae38 |
146 | "FARPROC", |
92804a48 |
147 | "WNDPROC", |
e56ab892 |
148 | "HACCEL", |
c36e914d |
149 | "HANDLE", |
e56ab892 |
150 | "HBITMAP", |
151 | "HCURSOR", |
3ebea2cf |
152 | "HDC", |
a652aa9f |
153 | "HFONT", |
3ebea2cf |
154 | "HGDIOBJ", |
e56ab892 |
155 | "HGLOBAL", |
da87ae38 |
156 | "HICON", |
e56ab892 |
157 | "HINSTANCE", |
da87ae38 |
158 | //"HIMC", // DWORD |
e56ab892 |
159 | "HMODULE", |
da87ae38 |
160 | "HPALETTE", |
e56ab892 |
161 | "HRGN", |
162 | "HRSRC", |
163 | "HKEY", |
164 | "HMENU", |
7aca4698 |
165 | "HWAVEOUT", |
e56ab892 |
166 | "HWND", |
ef6b315d |
167 | "PBYTE", |
a2c1d768 |
168 | "PCRITICAL_SECTION", |
3ebea2cf |
169 | "PDWORD", |
92804a48 |
170 | "PFILETIME", |
94d447fb |
171 | "PHKEY", |
172 | "PLONG", |
a2c1d768 |
173 | "PMEMORY_BASIC_INFORMATION", |
46411e6c |
174 | "PUINT", |
3ebea2cf |
175 | "PVOID", |
176 | "PCVOID", |
ef6b315d |
177 | "PWORD", |
e56ab892 |
178 | "DLGPROC", |
cdfaeed7 |
179 | "TIMERPROC", |
180 | "WNDENUMPROC", |
4f12f671 |
181 | "va_list", |
182 | "__VALIST", |
3ebea2cf |
183 | }; |
184 | |
185 | static const char *ignored_keywords[] = { |
186 | "extern", |
187 | "WINBASEAPI", |
188 | "WINUSERAPI", |
4f12f671 |
189 | "WINGDIAPI", |
190 | "WINADVAPI", |
c36e914d |
191 | }; |
192 | |
64c59faf |
193 | // returns ptr to char after type ends |
3ebea2cf |
194 | static int typecmp(const char *n, const char *t) |
39b168b8 |
195 | { |
196 | for (; *t != 0; n++, t++) { |
197 | while (n[0] == ' ' && (n[1] == ' ' || n[1] == '*')) |
198 | n++; |
199 | while (t[0] == ' ' && (t[1] == ' ' || t[1] == '*')) |
200 | t++; |
201 | if (*n != *t) |
3ebea2cf |
202 | return *n - *t; |
39b168b8 |
203 | } |
204 | |
3ebea2cf |
205 | return 0; |
39b168b8 |
206 | } |
207 | |
3ebea2cf |
208 | static const char *skip_type_mod(const char *n) |
c36e914d |
209 | { |
64c59faf |
210 | int len; |
39b168b8 |
211 | int i; |
c36e914d |
212 | |
64c59faf |
213 | for (i = 0; i < ARRAY_SIZE(known_type_mod); i++) { |
214 | len = strlen(known_type_mod[i]); |
215 | if (strncmp(n, known_type_mod[i], len) != 0) |
216 | continue; |
bd96f656 |
217 | if (!my_isblank(n[len])) |
218 | continue; |
64c59faf |
219 | |
220 | n += len; |
221 | while (my_isblank(*n)) |
222 | n++; |
223 | i = 0; |
224 | } |
225 | |
3ebea2cf |
226 | return n; |
227 | } |
228 | |
229 | static int check_type(const char *name, struct parsed_type *type) |
230 | { |
231 | const char *n, *n1; |
232 | int ret = -1; |
233 | int i; |
234 | |
235 | n = skip_type_mod(name); |
236 | |
237 | for (i = 0; i < ARRAY_SIZE(known_ptr_types); i++) { |
238 | if (typecmp(n, known_ptr_types[i])) |
64c59faf |
239 | continue; |
240 | |
3ebea2cf |
241 | type->is_ptr = 1; |
242 | break; |
c36e914d |
243 | } |
244 | |
a652aa9f |
245 | if (n[0] == 'L' && n[1] == 'P' && strncmp(n, "LPARAM", 6)) |
3ebea2cf |
246 | type->is_ptr = 1; |
247 | |
248 | // assume single word |
249 | while (!my_isblank(*n) && !my_issep(*n)) |
250 | n++; |
251 | |
252 | while (1) { |
253 | n1 = n; |
254 | while (my_isblank(*n)) |
255 | n++; |
256 | if (*n == '*') { |
257 | type->is_ptr = 1; |
258 | n++; |
259 | continue; |
260 | } |
261 | break; |
262 | } |
263 | |
264 | ret = n1 - name; |
265 | type->name = strndup(name, ret); |
a2c1d768 |
266 | if (IS(type->name, "VOID")) |
267 | memcpy(type->name, "void", 4); |
268 | |
3ebea2cf |
269 | return ret; |
c36e914d |
270 | } |
271 | |
272 | /* args are always expanded to 32bit */ |
273 | static const char *map_reg(const char *reg) |
274 | { |
275 | const char *regs_f[] = { "eax", "ebx", "ecx", "edx", "esi", "edi" }; |
276 | const char *regs_w[] = { "ax", "bx", "cx", "dx", "si", "di" }; |
277 | const char *regs_b[] = { "al", "bl", "cl", "dl" }; |
278 | int i; |
279 | |
280 | for (i = 0; i < ARRAY_SIZE(regs_w); i++) |
281 | if (IS(reg, regs_w[i])) |
282 | return regs_f[i]; |
283 | |
284 | for (i = 0; i < ARRAY_SIZE(regs_b); i++) |
285 | if (IS(reg, regs_b[i])) |
286 | return regs_f[i]; |
287 | |
288 | return reg; |
289 | } |
290 | |
a652aa9f |
291 | static int check_struct_arg(struct parsed_proto_arg *arg) |
292 | { |
293 | if (IS(arg->type.name, "POINT")) |
294 | return 2 - 1; |
295 | |
296 | return 0; |
297 | } |
298 | |
c36e914d |
299 | static int parse_protostr(char *protostr, struct parsed_proto *pp) |
300 | { |
39b168b8 |
301 | struct parsed_proto_arg *arg; |
c36e914d |
302 | char regparm[16]; |
303 | char buf[256]; |
304 | char cconv[32]; |
c36e914d |
305 | int xarg = 0; |
39b168b8 |
306 | char *p, *p1; |
3ebea2cf |
307 | int i, l; |
c36e914d |
308 | int ret; |
c36e914d |
309 | |
06c5d854 |
310 | p = sskip(protostr); |
c36e914d |
311 | if (p[0] == '/' && p[1] == '/') { |
06c5d854 |
312 | printf("%s:%d: commented out?\n", hdrfn, hdrfline); |
c36e914d |
313 | p = sskip(p + 2); |
314 | } |
315 | |
06c5d854 |
316 | // strip unneeded stuff |
317 | for (p1 = p; p1[0] != 0 && p1[1] != 0; p1++) { |
318 | if ((p1[0] == '/' && p1[1] == '*') |
319 | || (p1[0] == '*' && p1[1] == '/')) |
320 | p1[0] = p1[1] = ' '; |
321 | } |
322 | |
e56ab892 |
323 | if (!strncmp(p, "DECLSPEC_NORETURN ", 18)) { |
324 | pp->is_noreturn = 1; |
325 | p = sskip(p + 18); |
326 | } |
327 | |
3ebea2cf |
328 | for (i = 0; i < ARRAY_SIZE(ignored_keywords); i++) { |
329 | l = strlen(ignored_keywords[i]); |
330 | if (!strncmp(p, ignored_keywords[i], l) && my_isblank(p[l])) |
331 | p = sskip(p + l + 1); |
332 | } |
06c5d854 |
333 | |
3ebea2cf |
334 | ret = check_type(p, &pp->ret_type); |
335 | if (ret <= 0) { |
63df67be |
336 | printf("%s:%d:%zd: unhandled return in '%s'\n", |
c36e914d |
337 | hdrfn, hdrfline, (p - protostr) + 1, protostr); |
39b168b8 |
338 | return -1; |
c36e914d |
339 | } |
64c59faf |
340 | p = sskip(p + ret); |
c36e914d |
341 | |
da87ae38 |
342 | if (!strncmp(p, "noreturn ", 9)) { |
343 | pp->is_noreturn = 1; |
344 | p = sskip(p + 9); |
345 | } |
346 | |
06c5d854 |
347 | if (!strchr(p, ')')) { |
348 | p = next_idt(buf, sizeof(buf), p); |
349 | p = sskip(p); |
350 | if (buf[0] == 0) { |
63df67be |
351 | printf("%s:%d:%zd: var name missing\n", |
06c5d854 |
352 | hdrfn, hdrfline, (p - protostr) + 1); |
353 | return -1; |
354 | } |
355 | strcpy(pp->name, buf); |
356 | |
357 | p1 = strchr(p, ']'); |
358 | if (p1 != NULL) { |
359 | p = p1 + 1; |
3ebea2cf |
360 | pp->ret_type.is_array = 1; |
06c5d854 |
361 | } |
362 | return p - protostr; |
363 | } |
364 | |
365 | pp->is_func = 1; |
366 | |
39b168b8 |
367 | if (*p == '(') { |
368 | pp->is_fptr = 1; |
369 | p = sskip(p + 1); |
370 | } |
371 | |
c36e914d |
372 | p = next_word(cconv, sizeof(cconv), p); |
373 | p = sskip(p); |
374 | if (cconv[0] == 0) { |
63df67be |
375 | printf("%s:%d:%zd: cconv missing\n", |
c36e914d |
376 | hdrfn, hdrfline, (p - protostr) + 1); |
39b168b8 |
377 | return -1; |
c36e914d |
378 | } |
379 | if (IS(cconv, "__cdecl")) |
380 | pp->is_stdcall = 0; |
381 | else if (IS(cconv, "__stdcall")) |
382 | pp->is_stdcall = 1; |
c0050df6 |
383 | else if (IS(cconv, "__fastcall")) { |
384 | pp->is_fastcall = 1; |
385 | pp->is_stdcall = 1; // sort of.. |
386 | } |
c36e914d |
387 | else if (IS(cconv, "__thiscall")) |
388 | pp->is_stdcall = 1; |
389 | else if (IS(cconv, "__userpurge")) |
de50b98b |
390 | pp->is_stdcall = 1; // IDA |
c36e914d |
391 | else if (IS(cconv, "__usercall")) |
de50b98b |
392 | pp->is_stdcall = 0; // IDA |
64c59faf |
393 | else if (IS(cconv, "WINAPI")) |
394 | pp->is_stdcall = 1; |
c36e914d |
395 | else { |
63df67be |
396 | printf("%s:%d:%zd: unhandled cconv: '%s'\n", |
c36e914d |
397 | hdrfn, hdrfline, (p - protostr) + 1, cconv); |
39b168b8 |
398 | return -1; |
399 | } |
400 | |
401 | if (pp->is_fptr) { |
402 | if (*p != '*') { |
63df67be |
403 | printf("%s:%d:%zd: '*' expected\n", |
39b168b8 |
404 | hdrfn, hdrfline, (p - protostr) + 1); |
405 | return -1; |
406 | } |
bd96f656 |
407 | p++; |
408 | // XXX: skipping extra asterisks, for now |
409 | while (*p == '*') |
410 | p++; |
411 | p = sskip(p); |
c36e914d |
412 | } |
413 | |
414 | p = next_idt(buf, sizeof(buf), p); |
415 | p = sskip(p); |
416 | if (buf[0] == 0) { |
de50b98b |
417 | //printf("%s:%d:%zd: func name missing\n", |
418 | // hdrfn, hdrfline, (p - protostr) + 1); |
419 | //return -1; |
c36e914d |
420 | } |
39b168b8 |
421 | strcpy(pp->name, buf); |
c36e914d |
422 | |
423 | ret = get_regparm(regparm, sizeof(regparm), p); |
424 | if (ret > 0) { |
425 | if (!IS(regparm, "eax") && !IS(regparm, "ax") |
2b43685d |
426 | && !IS(regparm, "al") && !IS(regparm, "edx:eax")) |
c36e914d |
427 | { |
63df67be |
428 | printf("%s:%d:%zd: bad regparm: %s\n", |
c36e914d |
429 | hdrfn, hdrfline, (p - protostr) + 1, regparm); |
39b168b8 |
430 | return -1; |
c36e914d |
431 | } |
432 | p += ret; |
433 | p = sskip(p); |
434 | } |
435 | |
39b168b8 |
436 | if (pp->is_fptr) { |
bd96f656 |
437 | if (*p == '[') { |
438 | // not really ret_type is array, but ohwell |
439 | pp->ret_type.is_array = 1; |
440 | p = strchr(p + 1, ']'); |
441 | if (p == NULL) { |
442 | printf("%s:%d:%zd: ']' expected\n", |
443 | hdrfn, hdrfline, (p - protostr) + 1); |
444 | return -1; |
445 | } |
446 | p = sskip(p + 1); |
447 | } |
39b168b8 |
448 | if (*p != ')') { |
63df67be |
449 | printf("%s:%d:%zd: ')' expected\n", |
39b168b8 |
450 | hdrfn, hdrfline, (p - protostr) + 1); |
451 | return -1; |
452 | } |
453 | p = sskip(p + 1); |
454 | } |
455 | |
c36e914d |
456 | if (*p != '(') { |
63df67be |
457 | printf("%s:%d:%zd: '(' expected, got '%c'\n", |
c36e914d |
458 | hdrfn, hdrfline, (p - protostr) + 1, *p); |
39b168b8 |
459 | return -1; |
c36e914d |
460 | } |
461 | p++; |
462 | |
39b168b8 |
463 | // check for x(void) |
464 | p = sskip(p); |
06c5d854 |
465 | if ((!strncmp(p, "void", 4) || !strncmp(p, "VOID", 4)) |
466 | && *sskip(p + 4) == ')') |
39b168b8 |
467 | p += 4; |
468 | |
c36e914d |
469 | while (1) { |
470 | p = sskip(p); |
39b168b8 |
471 | if (*p == ')') { |
472 | p++; |
c36e914d |
473 | break; |
39b168b8 |
474 | } |
840257f6 |
475 | if (xarg > 0) { |
476 | if (*p != ',') { |
477 | printf("%s:%d:%zd: ',' expected\n", |
478 | hdrfn, hdrfline, (p - protostr) + 1); |
479 | return -1; |
480 | } |
c36e914d |
481 | p = sskip(p + 1); |
840257f6 |
482 | } |
c36e914d |
483 | |
7ba45c34 |
484 | if (!strncmp(p, "...", 3)) { |
485 | pp->is_vararg = 1; |
486 | p = sskip(p + 3); |
487 | if (*p == ')') { |
488 | p++; |
489 | break; |
490 | } |
63df67be |
491 | printf("%s:%d:%zd: ')' expected\n", |
7ba45c34 |
492 | hdrfn, hdrfline, (p - protostr) + 1); |
493 | return -1; |
494 | } |
495 | |
39b168b8 |
496 | arg = &pp->arg[xarg]; |
c36e914d |
497 | xarg++; |
498 | |
39b168b8 |
499 | p1 = p; |
3ebea2cf |
500 | ret = check_type(p, &arg->type); |
501 | if (ret <= 0) { |
63df67be |
502 | printf("%s:%d:%zd: unhandled type for arg%d\n", |
c36e914d |
503 | hdrfn, hdrfline, (p - protostr) + 1, xarg); |
39b168b8 |
504 | return -1; |
c36e914d |
505 | } |
64c59faf |
506 | p = sskip(p + ret); |
c36e914d |
507 | |
39b168b8 |
508 | if (*p == '(') { |
509 | // func ptr |
510 | arg->fptr = calloc(1, sizeof(*arg->fptr)); |
511 | ret = parse_protostr(p1, arg->fptr); |
512 | if (ret < 0) { |
63df67be |
513 | printf("%s:%d:%zd: funcarg parse failed\n", |
39b168b8 |
514 | hdrfn, hdrfline, p1 - protostr); |
515 | return -1; |
516 | } |
efea2951 |
517 | arg->fptr->is_arg = 1; |
518 | // we don't use actual names right now.. |
519 | snprintf(arg->fptr->name, |
520 | sizeof(arg->fptr->name), "a%d", xarg); |
39b168b8 |
521 | // we'll treat it as void * for non-calls |
a652aa9f |
522 | arg->type.name = strdup("void *"); |
3ebea2cf |
523 | arg->type.is_ptr = 1; |
39b168b8 |
524 | |
525 | p = p1 + ret; |
526 | } |
527 | |
c36e914d |
528 | p = next_idt(buf, sizeof(buf), p); |
529 | p = sskip(p); |
530 | #if 0 |
531 | if (buf[0] == 0) { |
63df67be |
532 | printf("%s:%d:%zd: idt missing for arg%d\n", |
c36e914d |
533 | hdrfn, hdrfline, (p - protostr) + 1, xarg); |
39b168b8 |
534 | return -1; |
c36e914d |
535 | } |
536 | #endif |
39b168b8 |
537 | arg->reg = NULL; |
c36e914d |
538 | |
539 | ret = get_regparm(regparm, sizeof(regparm), p); |
540 | if (ret > 0) { |
541 | p += ret; |
542 | p = sskip(p); |
543 | |
39b168b8 |
544 | arg->reg = strdup(map_reg(regparm)); |
c36e914d |
545 | } |
a652aa9f |
546 | |
7e50b291 |
547 | if (strstr(arg->type.name, "int64") |
548 | || IS(arg->type.name, "double")) |
549 | { |
550 | // hack.. |
551 | free(arg->type.name); |
552 | arg->type.name = strdup("int"); |
553 | pp_copy_arg(&pp->arg[xarg], arg); |
554 | xarg++; |
555 | } |
556 | |
a652aa9f |
557 | ret = check_struct_arg(arg); |
558 | if (ret > 0) { |
559 | pp->has_structarg = 1; |
560 | arg->type.is_struct = 1; |
561 | free(arg->type.name); |
562 | arg->type.name = strdup("int"); |
563 | for (l = 0; l < ret; l++) { |
564 | pp_copy_arg(&pp->arg[xarg], arg); |
565 | xarg++; |
566 | } |
567 | } |
c36e914d |
568 | } |
569 | |
570 | if (xarg > 0 && (IS(cconv, "__fastcall") || IS(cconv, "__thiscall"))) { |
571 | if (pp->arg[0].reg != NULL) { |
572 | printf("%s:%d: %s with arg1 spec %s?\n", |
573 | hdrfn, hdrfline, cconv, pp->arg[0].reg); |
574 | } |
575 | pp->arg[0].reg = strdup("ecx"); |
576 | } |
577 | |
578 | if (xarg > 1 && IS(cconv, "__fastcall")) { |
579 | if (pp->arg[1].reg != NULL) { |
580 | printf("%s:%d: %s with arg2 spec %s?\n", |
581 | hdrfn, hdrfline, cconv, pp->arg[1].reg); |
582 | } |
583 | pp->arg[1].reg = strdup("edx"); |
584 | } |
585 | |
586 | pp->argc = xarg; |
587 | |
588 | for (i = 0; i < pp->argc; i++) { |
589 | if (pp->arg[i].reg == NULL) |
590 | pp->argc_stack++; |
591 | else |
592 | pp->argc_reg++; |
593 | } |
594 | |
c0050df6 |
595 | if (pp->argc == 1 && pp->arg[0].reg != NULL |
596 | && IS(pp->arg[0].reg, "ecx")) |
597 | { |
598 | pp->is_fastcall = 1; |
599 | } |
600 | else if (pp->argc_reg == 2 |
601 | && pp->arg[0].reg != NULL && IS(pp->arg[0].reg, "ecx") |
602 | && pp->arg[1].reg != NULL && IS(pp->arg[1].reg, "edx")) |
603 | { |
604 | pp->is_fastcall = 1; |
605 | } |
606 | |
607 | if (pp->is_vararg && (pp->is_stdcall || pp->is_fastcall)) { |
608 | printf("%s:%d: vararg %s?\n", hdrfn, hdrfline, cconv); |
609 | return -1; |
610 | } |
611 | |
39b168b8 |
612 | return p - protostr; |
c36e914d |
613 | } |
614 | |
bd96f656 |
615 | static int pp_name_cmp(const void *p1, const void *p2) |
616 | { |
617 | const struct parsed_proto *pp1 = p1, *pp2 = p2; |
618 | return strcmp(pp1->name, pp2->name); |
619 | } |
620 | |
621 | static struct parsed_proto *pp_cache; |
622 | static int pp_cache_size; |
623 | static int pp_cache_alloc; |
624 | |
625 | static int b_pp_c_handler(char *proto, const char *fname) |
626 | { |
627 | int ret; |
628 | |
629 | if (pp_cache_size >= pp_cache_alloc) { |
630 | pp_cache_alloc = pp_cache_alloc * 2 + 64; |
631 | pp_cache = realloc(pp_cache, pp_cache_alloc |
632 | * sizeof(pp_cache[0])); |
633 | my_assert_not(pp_cache, NULL); |
634 | memset(pp_cache + pp_cache_size, 0, |
635 | (pp_cache_alloc - pp_cache_size) |
636 | * sizeof(pp_cache[0])); |
637 | } |
638 | |
639 | ret = parse_protostr(proto, &pp_cache[pp_cache_size]); |
640 | if (ret < 0) |
641 | return -1; |
642 | |
643 | pp_cache_size++; |
644 | return 0; |
645 | } |
646 | |
647 | static void build_pp_cache(FILE *fhdr) |
c36e914d |
648 | { |
1f906263 |
649 | long pos; |
c36e914d |
650 | int ret; |
651 | |
1f906263 |
652 | pos = ftell(fhdr); |
bd96f656 |
653 | rewind(fhdr); |
654 | |
655 | ret = do_protostrs(fhdr, hdrfn); |
656 | if (ret < 0) |
657 | exit(1); |
658 | |
659 | qsort(pp_cache, pp_cache_size, sizeof(pp_cache[0]), pp_name_cmp); |
1f906263 |
660 | fseek(fhdr, pos, SEEK_SET); |
bd96f656 |
661 | } |
662 | |
36595fd2 |
663 | static const struct parsed_proto *proto_parse(FILE *fhdr, const char *sym, |
664 | int quiet) |
bd96f656 |
665 | { |
666 | const struct parsed_proto *pp_ret; |
667 | struct parsed_proto pp_search; |
7aca4698 |
668 | char *p; |
bd96f656 |
669 | |
670 | if (pp_cache == NULL) |
671 | build_pp_cache(fhdr); |
672 | |
673 | if (sym[0] == '_') // && strncmp(fname, "stdc", 4) == 0) |
674 | sym++; |
c36e914d |
675 | |
bd96f656 |
676 | strcpy(pp_search.name, sym); |
7aca4698 |
677 | p = strchr(pp_search.name, '@'); |
678 | if (p != NULL) |
679 | *p = 0; |
680 | |
bd96f656 |
681 | pp_ret = bsearch(&pp_search, pp_cache, pp_cache_size, |
682 | sizeof(pp_cache[0]), pp_name_cmp); |
36595fd2 |
683 | if (pp_ret == NULL && !quiet) |
c36e914d |
684 | printf("%s: sym '%s' is missing\n", hdrfn, sym); |
bd96f656 |
685 | |
686 | return pp_ret; |
687 | } |
688 | |
a652aa9f |
689 | static void pp_copy_arg(struct parsed_proto_arg *d, |
690 | const struct parsed_proto_arg *s) |
691 | { |
692 | memcpy(d, s, sizeof(*d)); |
693 | |
694 | if (s->reg != NULL) { |
695 | d->reg = strdup(s->reg); |
696 | my_assert_not(d->reg, NULL); |
697 | } |
698 | if (s->type.name != NULL) { |
699 | d->type.name = strdup(s->type.name); |
700 | my_assert_not(d->type.name, NULL); |
701 | } |
702 | if (s->fptr != NULL) { |
703 | d->fptr = malloc(sizeof(*d->fptr)); |
704 | my_assert_not(d->fptr, NULL); |
705 | memcpy(d->fptr, s->fptr, sizeof(*d->fptr)); |
706 | } |
707 | } |
708 | |
bd96f656 |
709 | struct parsed_proto *proto_clone(const struct parsed_proto *pp_c) |
710 | { |
711 | struct parsed_proto *pp; |
712 | int i; |
713 | |
714 | pp = malloc(sizeof(*pp)); |
715 | my_assert_not(pp, NULL); |
716 | memcpy(pp, pp_c, sizeof(*pp)); // lazy.. |
717 | |
718 | // do the actual deep copy.. |
a652aa9f |
719 | for (i = 0; i < pp_c->argc; i++) |
720 | pp_copy_arg(&pp->arg[i], &pp_c->arg[i]); |
bd96f656 |
721 | if (pp_c->ret_type.name != NULL) |
722 | pp->ret_type.name = strdup(pp_c->ret_type.name); |
c36e914d |
723 | |
bd96f656 |
724 | return pp; |
c36e914d |
725 | } |
726 | |
b74c31e3 |
727 | static inline void pp_print(char *buf, size_t buf_size, |
728 | const struct parsed_proto *pp) |
729 | { |
730 | size_t l; |
731 | int i; |
732 | |
733 | snprintf(buf, buf_size, "%s %s(", pp->ret_type.name, pp->name); |
734 | l = strlen(buf); |
735 | |
736 | for (i = 0; i < pp->argc_reg; i++) { |
737 | snprintf(buf + l, buf_size - l, "%s%s", |
738 | i == 0 ? "" : ", ", pp->arg[i].reg); |
739 | l = strlen(buf); |
740 | } |
741 | if (pp->argc_stack > 0) { |
742 | snprintf(buf + l, buf_size - l, "%s{%d stack}", |
743 | i == 0 ? "" : ", ", pp->argc_stack); |
744 | l = strlen(buf); |
745 | } |
746 | snprintf(buf + l, buf_size - l, ")"); |
747 | } |
748 | |
bd96f656 |
749 | static inline void proto_release(struct parsed_proto *pp) |
c36e914d |
750 | { |
751 | int i; |
752 | |
753 | for (i = 0; i < pp->argc; i++) { |
39b168b8 |
754 | if (pp->arg[i].reg != NULL) |
c36e914d |
755 | free(pp->arg[i].reg); |
3ebea2cf |
756 | if (pp->arg[i].type.name != NULL) |
757 | free(pp->arg[i].type.name); |
39b168b8 |
758 | if (pp->arg[i].fptr != NULL) |
759 | free(pp->arg[i].fptr); |
c36e914d |
760 | } |
3ebea2cf |
761 | if (pp->ret_type.name != NULL) |
762 | free(pp->ret_type.name); |
bd96f656 |
763 | free(pp); |
c36e914d |
764 | } |