7637b6cc |
1 | /* |
2 | * ia32rtools |
3 | * (C) notaz, 2013,2014 |
4 | * |
5 | * This work is licensed under the terms of 3-clause BSD license. |
6 | * See COPYING file in the top-level directory. |
7 | */ |
c36e914d |
8 | |
39b168b8 |
9 | struct parsed_proto; |
10 | |
3ebea2cf |
11 | struct parsed_type { |
12 | char *name; |
13 | unsigned int is_array:1; |
14 | unsigned int is_ptr:1; |
a652aa9f |
15 | unsigned int is_struct:1; // split for args |
5f70a34f |
16 | unsigned int is_retreg:1; // register to return to caller |
17 | unsigned int is_va_list:1; |
2c31fb4c |
18 | unsigned int is_64bit:1; |
b62264bc |
19 | unsigned int is_float:1; // float, double |
3ebea2cf |
20 | }; |
21 | |
39b168b8 |
22 | struct parsed_proto_arg { |
23 | char *reg; |
3ebea2cf |
24 | struct parsed_type type; |
93b5bd18 |
25 | struct parsed_proto *pp; // fptr or struct |
39b168b8 |
26 | void *datap; |
8c83cc48 |
27 | unsigned int is_saved:1; // not set here, for tool use |
39b168b8 |
28 | }; |
29 | |
c36e914d |
30 | struct parsed_proto { |
39b168b8 |
31 | char name[256]; |
3ebea2cf |
32 | union { |
33 | struct parsed_type ret_type; |
34 | struct parsed_type type; |
35 | }; |
39b168b8 |
36 | struct parsed_proto_arg arg[16]; |
c36e914d |
37 | int argc; |
38 | int argc_stack; |
39 | int argc_reg; |
06c5d854 |
40 | unsigned int is_func:1; |
39b168b8 |
41 | unsigned int is_stdcall:1; |
c0050df6 |
42 | unsigned int is_fastcall:1; |
efea2951 |
43 | unsigned int is_vararg:1; // vararg func |
39b168b8 |
44 | unsigned int is_fptr:1; |
1fe8d40e |
45 | unsigned int is_import:1; // data import |
e56ab892 |
46 | unsigned int is_noreturn:1; |
89ff3147 |
47 | unsigned int is_unresolved:1; |
1fe8d40e |
48 | unsigned int is_guessed:1; // for extra checking |
1f84f6b3 |
49 | unsigned int is_userstack:1; |
61e29183 |
50 | unsigned int is_include:1; // not from top-level header |
51 | unsigned int is_osinc:1; // OS/system library func |
ebc4dc43 |
52 | unsigned int is_cinc:1; // crt library func |
179b79a9 |
53 | unsigned int is_arg:1; // declared in some func arg |
a652aa9f |
54 | unsigned int has_structarg:1; |
1f84f6b3 |
55 | unsigned int has_retreg:1; |
c36e914d |
56 | }; |
57 | |
865f1aca |
58 | struct parsed_struct { |
59 | char name[256]; |
60 | struct { |
61 | int offset; |
62 | struct parsed_proto pp; |
63 | } members[64]; |
64 | int member_count; |
65 | }; |
66 | |
c36e914d |
67 | static const char *hdrfn; |
68 | static int hdrfline = 0; |
69 | |
a652aa9f |
70 | static void pp_copy_arg(struct parsed_proto_arg *d, |
71 | const struct parsed_proto_arg *s); |
72 | |
61e29183 |
73 | static int b_pp_c_handler(char *proto, const char *fname, |
ebc4dc43 |
74 | int is_include, int is_osinc, int is_cinc); |
865f1aca |
75 | static int struct_handler(FILE *fhdr, char *proto, int *line); |
bd96f656 |
76 | |
61e29183 |
77 | static int do_protostrs(FILE *fhdr, const char *fname, int is_include) |
c36e914d |
78 | { |
06c5d854 |
79 | const char *finc_name; |
bd96f656 |
80 | const char *hdrfn_saved; |
81 | char protostr[256]; |
36595fd2 |
82 | char path[256]; |
83 | char fname_inc[256]; |
61e29183 |
84 | int is_osinc; |
ebc4dc43 |
85 | int is_cinc; |
39b168b8 |
86 | FILE *finc; |
c36e914d |
87 | int line = 0; |
39b168b8 |
88 | int ret; |
c36e914d |
89 | char *p; |
90 | |
bd96f656 |
91 | hdrfn_saved = hdrfn; |
92 | hdrfn = fname; |
39b168b8 |
93 | |
ebc4dc43 |
94 | is_cinc = strstr(fname, "stdc.hlist") != NULL; |
edeadc28 |
95 | is_osinc = is_cinc || strstr(fname, "win32.hlist") != NULL; |
179b79a9 |
96 | |
bd96f656 |
97 | while (fgets(protostr, sizeof(protostr), fhdr)) |
c36e914d |
98 | { |
99 | line++; |
bd96f656 |
100 | if (strncmp(protostr, "//#include ", 11) == 0) { |
101 | finc_name = protostr + 11; |
06c5d854 |
102 | p = strpbrk(finc_name, "\r\n "); |
39b168b8 |
103 | if (p != NULL) |
104 | *p = 0; |
105 | |
36595fd2 |
106 | path[0] = 0; |
107 | p = strrchr(hdrfn_saved, '/'); |
108 | if (p) { |
109 | memcpy(path, hdrfn_saved, |
110 | p - hdrfn_saved + 1); |
111 | path[p - hdrfn_saved + 1] = 0; |
112 | } |
113 | snprintf(fname_inc, sizeof(fname_inc), "%s%s", |
114 | path, finc_name); |
115 | finc = fopen(fname_inc, "r"); |
39b168b8 |
116 | if (finc == NULL) { |
117 | printf("%s:%d: can't open '%s'\n", |
36595fd2 |
118 | fname_inc, line, finc_name); |
39b168b8 |
119 | continue; |
120 | } |
61e29183 |
121 | ret = do_protostrs(finc, finc_name, 1); |
39b168b8 |
122 | fclose(finc); |
bd96f656 |
123 | if (ret < 0) |
39b168b8 |
124 | break; |
125 | continue; |
126 | } |
bd96f656 |
127 | if (strncmp(sskip(protostr), "//", 2) == 0) |
128 | continue; |
129 | |
130 | p = protostr + strlen(protostr); |
131 | for (p--; p >= protostr && my_isblank(*p); --p) |
132 | *p = 0; |
133 | if (p < protostr) |
06c5d854 |
134 | continue; |
39b168b8 |
135 | |
bd96f656 |
136 | hdrfline = line; |
137 | |
865f1aca |
138 | if (!strncmp(protostr, "struct", 6) |
139 | && strchr(protostr, '{') != NULL) |
140 | ret = struct_handler(fhdr, protostr, &line); |
141 | else |
142 | ret = b_pp_c_handler(protostr, hdrfn, |
143 | is_include, is_osinc, is_cinc); |
bd96f656 |
144 | if (ret < 0) |
c36e914d |
145 | break; |
146 | } |
c36e914d |
147 | |
bd96f656 |
148 | hdrfn = hdrfn_saved; |
c36e914d |
149 | |
bd96f656 |
150 | if (feof(fhdr)) |
151 | return 0; |
c36e914d |
152 | |
bd96f656 |
153 | return -1; |
c36e914d |
154 | } |
155 | |
1f84f6b3 |
156 | static int get_regparm(char *dst, size_t dlen, char *p, int *retreg) |
c36e914d |
157 | { |
1f84f6b3 |
158 | int i = 0, o; |
159 | |
160 | *retreg = 0; |
c36e914d |
161 | |
162 | if (*p != '<') |
163 | return 0; |
164 | |
1f84f6b3 |
165 | i++; |
166 | if (p[i] == '*') { |
167 | *retreg = 1; |
168 | i++; |
169 | } |
170 | |
171 | for (o = 0; o < dlen; i++) { |
c36e914d |
172 | if (p[i] == 0) |
173 | return 0; |
174 | if (p[i] == '>') |
175 | break; |
176 | dst[o++] = p[i]; |
177 | } |
178 | dst[o] = 0; |
179 | return i + 1; |
180 | } |
181 | |
182 | // hmh.. |
64c59faf |
183 | static const char *known_type_mod[] = { |
184 | "const", |
185 | "signed", |
186 | "unsigned", |
3ebea2cf |
187 | "enum", |
840257f6 |
188 | "CONST", |
92804a48 |
189 | "volatile", |
64c59faf |
190 | }; |
191 | |
3ebea2cf |
192 | static const char *known_ptr_types[] = { |
da87ae38 |
193 | "FARPROC", |
92804a48 |
194 | "WNDPROC", |
bf2471e9 |
195 | "LINECALLBACK", |
e56ab892 |
196 | "HACCEL", |
c36e914d |
197 | "HANDLE", |
e56ab892 |
198 | "HBITMAP", |
79af284c |
199 | "HBRUSH", |
bf2471e9 |
200 | "HCALL", |
e56ab892 |
201 | "HCURSOR", |
3ebea2cf |
202 | "HDC", |
a652aa9f |
203 | "HFONT", |
3ebea2cf |
204 | "HGDIOBJ", |
e56ab892 |
205 | "HGLOBAL", |
79af284c |
206 | "HHOOK", |
da87ae38 |
207 | "HICON", |
e56ab892 |
208 | "HINSTANCE", |
c7ed83dd |
209 | "HIMC", // DWORD in mingw, ptr in wine.. |
bf2471e9 |
210 | "HLINE", |
211 | "HLINEAPP", |
212 | "HLOCAL", |
e56ab892 |
213 | "HMODULE", |
da87ae38 |
214 | "HPALETTE", |
e56ab892 |
215 | "HRGN", |
216 | "HRSRC", |
217 | "HKEY", |
218 | "HMENU", |
7aca4698 |
219 | "HWAVEOUT", |
e56ab892 |
220 | "HWND", |
b62264bc |
221 | "PAPPBARDATA", |
ef6b315d |
222 | "PBYTE", |
a2c1d768 |
223 | "PCRITICAL_SECTION", |
b62264bc |
224 | "PDEVMODEA", |
3ebea2cf |
225 | "PDWORD", |
92804a48 |
226 | "PFILETIME", |
bf2471e9 |
227 | "PLARGE_INTEGER", |
79af284c |
228 | "PHANDLE", |
94d447fb |
229 | "PHKEY", |
230 | "PLONG", |
a2c1d768 |
231 | "PMEMORY_BASIC_INFORMATION", |
46411e6c |
232 | "PUINT", |
f9327ad4 |
233 | "PULARGE_INTEGER", |
234 | "PULONG_PTR", |
3ebea2cf |
235 | "PVOID", |
236 | "PCVOID", |
ef6b315d |
237 | "PWORD", |
79af284c |
238 | "REFCLSID", |
ead38b9e |
239 | "REFGUID", |
79af284c |
240 | "REFIID", |
241 | "HOOKPROC", |
e56ab892 |
242 | "DLGPROC", |
cdfaeed7 |
243 | "TIMERPROC", |
244 | "WNDENUMPROC", |
4f12f671 |
245 | "va_list", |
246 | "__VALIST", |
3ebea2cf |
247 | }; |
248 | |
249 | static const char *ignored_keywords[] = { |
250 | "extern", |
251 | "WINBASEAPI", |
252 | "WINUSERAPI", |
4f12f671 |
253 | "WINGDIAPI", |
254 | "WINADVAPI", |
c36e914d |
255 | }; |
256 | |
3ebea2cf |
257 | static int typecmp(const char *n, const char *t) |
39b168b8 |
258 | { |
259 | for (; *t != 0; n++, t++) { |
260 | while (n[0] == ' ' && (n[1] == ' ' || n[1] == '*')) |
261 | n++; |
262 | while (t[0] == ' ' && (t[1] == ' ' || t[1] == '*')) |
263 | t++; |
264 | if (*n != *t) |
3ebea2cf |
265 | return *n - *t; |
39b168b8 |
266 | } |
267 | |
3ebea2cf |
268 | return 0; |
39b168b8 |
269 | } |
270 | |
3ebea2cf |
271 | static const char *skip_type_mod(const char *n) |
c36e914d |
272 | { |
64c59faf |
273 | int len; |
39b168b8 |
274 | int i; |
c36e914d |
275 | |
64c59faf |
276 | for (i = 0; i < ARRAY_SIZE(known_type_mod); i++) { |
277 | len = strlen(known_type_mod[i]); |
278 | if (strncmp(n, known_type_mod[i], len) != 0) |
279 | continue; |
bd96f656 |
280 | if (!my_isblank(n[len])) |
281 | continue; |
64c59faf |
282 | |
283 | n += len; |
284 | while (my_isblank(*n)) |
285 | n++; |
286 | i = 0; |
287 | } |
288 | |
3ebea2cf |
289 | return n; |
290 | } |
291 | |
292 | static int check_type(const char *name, struct parsed_type *type) |
293 | { |
294 | const char *n, *n1; |
295 | int ret = -1; |
296 | int i; |
297 | |
298 | n = skip_type_mod(name); |
299 | |
865f1aca |
300 | if (!strncmp(n, "struct", 6) && my_isblank(n[6])) { |
301 | type->is_struct = 1; |
302 | |
303 | n += 6; |
304 | while (my_isblank(*n)) |
305 | n++; |
306 | } |
307 | |
3ebea2cf |
308 | for (i = 0; i < ARRAY_SIZE(known_ptr_types); i++) { |
309 | if (typecmp(n, known_ptr_types[i])) |
64c59faf |
310 | continue; |
311 | |
3ebea2cf |
312 | type->is_ptr = 1; |
313 | break; |
c36e914d |
314 | } |
315 | |
a652aa9f |
316 | if (n[0] == 'L' && n[1] == 'P' && strncmp(n, "LPARAM", 6)) |
3ebea2cf |
317 | type->is_ptr = 1; |
318 | |
319 | // assume single word |
320 | while (!my_isblank(*n) && !my_issep(*n)) |
321 | n++; |
322 | |
323 | while (1) { |
324 | n1 = n; |
325 | while (my_isblank(*n)) |
326 | n++; |
327 | if (*n == '*') { |
328 | type->is_ptr = 1; |
329 | n++; |
330 | continue; |
331 | } |
332 | break; |
333 | } |
334 | |
335 | ret = n1 - name; |
336 | type->name = strndup(name, ret); |
5f70a34f |
337 | if (IS(type->name, "__VALIST") || IS(type->name, "va_list")) |
338 | type->is_va_list = 1; |
a2c1d768 |
339 | if (IS(type->name, "VOID")) |
340 | memcpy(type->name, "void", 4); |
341 | |
3ebea2cf |
342 | return ret; |
c36e914d |
343 | } |
344 | |
345 | /* args are always expanded to 32bit */ |
346 | static const char *map_reg(const char *reg) |
347 | { |
348 | const char *regs_f[] = { "eax", "ebx", "ecx", "edx", "esi", "edi" }; |
349 | const char *regs_w[] = { "ax", "bx", "cx", "dx", "si", "di" }; |
350 | const char *regs_b[] = { "al", "bl", "cl", "dl" }; |
351 | int i; |
352 | |
353 | for (i = 0; i < ARRAY_SIZE(regs_w); i++) |
354 | if (IS(reg, regs_w[i])) |
355 | return regs_f[i]; |
356 | |
357 | for (i = 0; i < ARRAY_SIZE(regs_b); i++) |
358 | if (IS(reg, regs_b[i])) |
359 | return regs_f[i]; |
360 | |
361 | return reg; |
362 | } |
363 | |
a652aa9f |
364 | static int check_struct_arg(struct parsed_proto_arg *arg) |
365 | { |
366 | if (IS(arg->type.name, "POINT")) |
367 | return 2 - 1; |
368 | |
369 | return 0; |
370 | } |
371 | |
93b5bd18 |
372 | static int parse_protostr(char *protostr, struct parsed_proto *pp); |
373 | |
374 | static int parse_arg(char **p_, struct parsed_proto_arg *arg, int xarg) |
375 | { |
376 | char buf[256]; |
377 | char *p = *p_; |
378 | char *pe; |
379 | int ret; |
380 | |
381 | arg->pp = calloc(1, sizeof(*arg->pp)); |
382 | my_assert_not(arg->pp, NULL); |
383 | arg->pp->is_arg = 1; |
384 | |
385 | pe = p; |
386 | while (1) { |
387 | pe = strpbrk(pe, ",()"); |
388 | if (pe == NULL) |
389 | return -1; |
390 | if (*pe == ',' || *pe == ')') |
391 | break; |
392 | pe = strchr(pe, ')'); |
393 | if (pe == NULL) |
394 | return -1; |
395 | pe++; |
396 | } |
397 | |
398 | if (pe - p > sizeof(buf) - 1) |
399 | return -1; |
400 | memcpy(buf, p, pe - p); |
401 | buf[pe - p] = 0; |
402 | |
403 | ret = parse_protostr(buf, arg->pp); |
404 | if (ret < 0) |
405 | return -1; |
406 | |
1fe8d40e |
407 | if (IS_START(arg->pp->name, "guess")) |
408 | arg->pp->is_guessed = 1; |
409 | |
93b5bd18 |
410 | // we don't use actual names right now... |
411 | snprintf(arg->pp->name, sizeof(arg->pp->name), "a%d", xarg); |
412 | |
413 | if (!arg->type.is_struct) |
414 | // we'll treat it as void * for non-calls |
415 | arg->type.name = strdup("void *"); |
416 | arg->type.is_ptr = 1; |
417 | |
418 | p += ret; |
419 | *p_ = p; |
420 | return 0; |
421 | } |
422 | |
c36e914d |
423 | static int parse_protostr(char *protostr, struct parsed_proto *pp) |
424 | { |
39b168b8 |
425 | struct parsed_proto_arg *arg; |
c36e914d |
426 | char regparm[16]; |
427 | char buf[256]; |
428 | char cconv[32]; |
1f84f6b3 |
429 | int is_retreg; |
39b168b8 |
430 | char *p, *p1; |
93b5bd18 |
431 | int xarg = 0; |
3ebea2cf |
432 | int i, l; |
c36e914d |
433 | int ret; |
c36e914d |
434 | |
06c5d854 |
435 | p = sskip(protostr); |
c36e914d |
436 | if (p[0] == '/' && p[1] == '/') { |
06c5d854 |
437 | printf("%s:%d: commented out?\n", hdrfn, hdrfline); |
c36e914d |
438 | p = sskip(p + 2); |
439 | } |
440 | |
865f1aca |
441 | // allow start of line comment |
442 | if (p[0] == '/' && p[1] == '*') { |
443 | p = strstr(p + 2, "*/"); |
444 | if (p == NULL) { |
445 | printf("%s:%d: multiline comments unsupported\n", |
446 | hdrfn, hdrfline); |
447 | return -1; |
448 | } |
449 | p = sskip(p + 2); |
450 | } |
451 | |
452 | // we need remaining hints in comments, so strip / * |
06c5d854 |
453 | for (p1 = p; p1[0] != 0 && p1[1] != 0; p1++) { |
454 | if ((p1[0] == '/' && p1[1] == '*') |
455 | || (p1[0] == '*' && p1[1] == '/')) |
456 | p1[0] = p1[1] = ' '; |
457 | } |
458 | |
e56ab892 |
459 | if (!strncmp(p, "DECLSPEC_NORETURN ", 18)) { |
460 | pp->is_noreturn = 1; |
461 | p = sskip(p + 18); |
462 | } |
463 | |
3ebea2cf |
464 | for (i = 0; i < ARRAY_SIZE(ignored_keywords); i++) { |
465 | l = strlen(ignored_keywords[i]); |
466 | if (!strncmp(p, ignored_keywords[i], l) && my_isblank(p[l])) |
467 | p = sskip(p + l + 1); |
468 | } |
06c5d854 |
469 | |
1fe8d40e |
470 | if (IS_START(p, "DECL_IMPORT ")) { |
471 | pp->is_import = 1; |
472 | p = sskip(p + 12); |
473 | } |
474 | |
3ebea2cf |
475 | ret = check_type(p, &pp->ret_type); |
476 | if (ret <= 0) { |
63df67be |
477 | printf("%s:%d:%zd: unhandled return in '%s'\n", |
c36e914d |
478 | hdrfn, hdrfline, (p - protostr) + 1, protostr); |
39b168b8 |
479 | return -1; |
c36e914d |
480 | } |
64c59faf |
481 | p = sskip(p + ret); |
c36e914d |
482 | |
da87ae38 |
483 | if (!strncmp(p, "noreturn ", 9)) { |
484 | pp->is_noreturn = 1; |
485 | p = sskip(p + 9); |
486 | } |
487 | |
06c5d854 |
488 | if (!strchr(p, ')')) { |
489 | p = next_idt(buf, sizeof(buf), p); |
490 | p = sskip(p); |
93b5bd18 |
491 | if (!pp->is_arg && buf[0] == 0) { |
492 | printf("%s:%d:%zd: var name is missing\n", |
06c5d854 |
493 | hdrfn, hdrfline, (p - protostr) + 1); |
494 | return -1; |
495 | } |
496 | strcpy(pp->name, buf); |
497 | |
498 | p1 = strchr(p, ']'); |
499 | if (p1 != NULL) { |
500 | p = p1 + 1; |
3ebea2cf |
501 | pp->ret_type.is_array = 1; |
06c5d854 |
502 | } |
503 | return p - protostr; |
504 | } |
505 | |
506 | pp->is_func = 1; |
507 | |
39b168b8 |
508 | if (*p == '(') { |
509 | pp->is_fptr = 1; |
510 | p = sskip(p + 1); |
511 | } |
512 | |
c36e914d |
513 | p = next_word(cconv, sizeof(cconv), p); |
514 | p = sskip(p); |
515 | if (cconv[0] == 0) { |
63df67be |
516 | printf("%s:%d:%zd: cconv missing\n", |
c36e914d |
517 | hdrfn, hdrfline, (p - protostr) + 1); |
39b168b8 |
518 | return -1; |
c36e914d |
519 | } |
520 | if (IS(cconv, "__cdecl")) |
521 | pp->is_stdcall = 0; |
522 | else if (IS(cconv, "__stdcall")) |
523 | pp->is_stdcall = 1; |
c0050df6 |
524 | else if (IS(cconv, "__fastcall")) { |
525 | pp->is_fastcall = 1; |
526 | pp->is_stdcall = 1; // sort of.. |
527 | } |
c36e914d |
528 | else if (IS(cconv, "__thiscall")) |
529 | pp->is_stdcall = 1; |
530 | else if (IS(cconv, "__userpurge")) |
de50b98b |
531 | pp->is_stdcall = 1; // IDA |
c36e914d |
532 | else if (IS(cconv, "__usercall")) |
de50b98b |
533 | pp->is_stdcall = 0; // IDA |
1f84f6b3 |
534 | else if (IS(cconv, "__userstack")) { |
535 | pp->is_stdcall = 0; // custom |
536 | pp->is_userstack = 1; |
537 | } |
79af284c |
538 | else if (IS(cconv, "WINAPI") || IS(cconv, "PASCAL")) |
64c59faf |
539 | pp->is_stdcall = 1; |
c36e914d |
540 | else { |
63df67be |
541 | printf("%s:%d:%zd: unhandled cconv: '%s'\n", |
c36e914d |
542 | hdrfn, hdrfline, (p - protostr) + 1, cconv); |
39b168b8 |
543 | return -1; |
544 | } |
545 | |
546 | if (pp->is_fptr) { |
547 | if (*p != '*') { |
63df67be |
548 | printf("%s:%d:%zd: '*' expected\n", |
39b168b8 |
549 | hdrfn, hdrfline, (p - protostr) + 1); |
550 | return -1; |
551 | } |
bd96f656 |
552 | p++; |
553 | // XXX: skipping extra asterisks, for now |
554 | while (*p == '*') |
555 | p++; |
556 | p = sskip(p); |
c36e914d |
557 | } |
558 | |
559 | p = next_idt(buf, sizeof(buf), p); |
560 | p = sskip(p); |
561 | if (buf[0] == 0) { |
de50b98b |
562 | //printf("%s:%d:%zd: func name missing\n", |
563 | // hdrfn, hdrfline, (p - protostr) + 1); |
564 | //return -1; |
c36e914d |
565 | } |
39b168b8 |
566 | strcpy(pp->name, buf); |
c36e914d |
567 | |
1f84f6b3 |
568 | ret = get_regparm(regparm, sizeof(regparm), p, &is_retreg); |
c36e914d |
569 | if (ret > 0) { |
570 | if (!IS(regparm, "eax") && !IS(regparm, "ax") |
2b43685d |
571 | && !IS(regparm, "al") && !IS(regparm, "edx:eax")) |
c36e914d |
572 | { |
63df67be |
573 | printf("%s:%d:%zd: bad regparm: %s\n", |
c36e914d |
574 | hdrfn, hdrfline, (p - protostr) + 1, regparm); |
39b168b8 |
575 | return -1; |
c36e914d |
576 | } |
577 | p += ret; |
578 | p = sskip(p); |
579 | } |
580 | |
39b168b8 |
581 | if (pp->is_fptr) { |
bd96f656 |
582 | if (*p == '[') { |
583 | // not really ret_type is array, but ohwell |
584 | pp->ret_type.is_array = 1; |
585 | p = strchr(p + 1, ']'); |
586 | if (p == NULL) { |
587 | printf("%s:%d:%zd: ']' expected\n", |
588 | hdrfn, hdrfline, (p - protostr) + 1); |
589 | return -1; |
590 | } |
591 | p = sskip(p + 1); |
592 | } |
39b168b8 |
593 | if (*p != ')') { |
63df67be |
594 | printf("%s:%d:%zd: ')' expected\n", |
39b168b8 |
595 | hdrfn, hdrfline, (p - protostr) + 1); |
596 | return -1; |
597 | } |
598 | p = sskip(p + 1); |
599 | } |
600 | |
c36e914d |
601 | if (*p != '(') { |
63df67be |
602 | printf("%s:%d:%zd: '(' expected, got '%c'\n", |
c36e914d |
603 | hdrfn, hdrfline, (p - protostr) + 1, *p); |
39b168b8 |
604 | return -1; |
c36e914d |
605 | } |
606 | p++; |
607 | |
39b168b8 |
608 | // check for x(void) |
609 | p = sskip(p); |
06c5d854 |
610 | if ((!strncmp(p, "void", 4) || !strncmp(p, "VOID", 4)) |
611 | && *sskip(p + 4) == ')') |
39b168b8 |
612 | p += 4; |
613 | |
c36e914d |
614 | while (1) { |
615 | p = sskip(p); |
39b168b8 |
616 | if (*p == ')') { |
617 | p++; |
c36e914d |
618 | break; |
39b168b8 |
619 | } |
840257f6 |
620 | if (xarg > 0) { |
621 | if (*p != ',') { |
622 | printf("%s:%d:%zd: ',' expected\n", |
623 | hdrfn, hdrfline, (p - protostr) + 1); |
624 | return -1; |
625 | } |
c36e914d |
626 | p = sskip(p + 1); |
840257f6 |
627 | } |
c36e914d |
628 | |
7ba45c34 |
629 | if (!strncmp(p, "...", 3)) { |
630 | pp->is_vararg = 1; |
631 | p = sskip(p + 3); |
632 | if (*p == ')') { |
633 | p++; |
634 | break; |
635 | } |
63df67be |
636 | printf("%s:%d:%zd: ')' expected\n", |
7ba45c34 |
637 | hdrfn, hdrfline, (p - protostr) + 1); |
638 | return -1; |
639 | } |
640 | |
39b168b8 |
641 | arg = &pp->arg[xarg]; |
c36e914d |
642 | xarg++; |
643 | |
39b168b8 |
644 | p1 = p; |
3ebea2cf |
645 | ret = check_type(p, &arg->type); |
646 | if (ret <= 0) { |
63df67be |
647 | printf("%s:%d:%zd: unhandled type for arg%d\n", |
c36e914d |
648 | hdrfn, hdrfline, (p - protostr) + 1, xarg); |
39b168b8 |
649 | return -1; |
c36e914d |
650 | } |
64c59faf |
651 | p = sskip(p + ret); |
c36e914d |
652 | |
93b5bd18 |
653 | if (*p == '(' || arg->type.is_struct) { |
654 | // func ptr or struct |
655 | ret = parse_arg(&p1, arg, xarg); |
39b168b8 |
656 | if (ret < 0) { |
63df67be |
657 | printf("%s:%d:%zd: funcarg parse failed\n", |
39b168b8 |
658 | hdrfn, hdrfline, p1 - protostr); |
659 | return -1; |
660 | } |
93b5bd18 |
661 | p = p1; |
39b168b8 |
662 | } |
663 | |
c36e914d |
664 | p = next_idt(buf, sizeof(buf), p); |
665 | p = sskip(p); |
666 | #if 0 |
667 | if (buf[0] == 0) { |
63df67be |
668 | printf("%s:%d:%zd: idt missing for arg%d\n", |
c36e914d |
669 | hdrfn, hdrfline, (p - protostr) + 1, xarg); |
39b168b8 |
670 | return -1; |
c36e914d |
671 | } |
672 | #endif |
39b168b8 |
673 | arg->reg = NULL; |
c36e914d |
674 | |
1f84f6b3 |
675 | ret = get_regparm(regparm, sizeof(regparm), p, &is_retreg); |
c36e914d |
676 | if (ret > 0) { |
677 | p += ret; |
678 | p = sskip(p); |
679 | |
39b168b8 |
680 | arg->reg = strdup(map_reg(regparm)); |
1f84f6b3 |
681 | arg->type.is_retreg = is_retreg; |
682 | pp->has_retreg |= is_retreg; |
c36e914d |
683 | } |
a652aa9f |
684 | |
b62264bc |
685 | if (IS(arg->type.name, "float") |
686 | || IS(arg->type.name, "double")) |
687 | { |
688 | arg->type.is_float = 1; |
689 | } |
690 | |
f9327ad4 |
691 | if (!arg->type.is_ptr && (strstr(arg->type.name, "int64") |
692 | || IS(arg->type.name, "double"))) |
7e50b291 |
693 | { |
2c31fb4c |
694 | arg->type.is_64bit = 1; |
7e50b291 |
695 | // hack.. |
7e50b291 |
696 | pp_copy_arg(&pp->arg[xarg], arg); |
2c31fb4c |
697 | arg = &pp->arg[xarg]; |
7e50b291 |
698 | xarg++; |
2c31fb4c |
699 | free(arg->type.name); |
700 | arg->type.name = strdup("dummy"); |
7e50b291 |
701 | } |
702 | |
a652aa9f |
703 | ret = check_struct_arg(arg); |
704 | if (ret > 0) { |
705 | pp->has_structarg = 1; |
706 | arg->type.is_struct = 1; |
707 | free(arg->type.name); |
708 | arg->type.name = strdup("int"); |
709 | for (l = 0; l < ret; l++) { |
710 | pp_copy_arg(&pp->arg[xarg], arg); |
711 | xarg++; |
712 | } |
713 | } |
c36e914d |
714 | } |
715 | |
716 | if (xarg > 0 && (IS(cconv, "__fastcall") || IS(cconv, "__thiscall"))) { |
717 | if (pp->arg[0].reg != NULL) { |
718 | printf("%s:%d: %s with arg1 spec %s?\n", |
719 | hdrfn, hdrfline, cconv, pp->arg[0].reg); |
720 | } |
721 | pp->arg[0].reg = strdup("ecx"); |
722 | } |
723 | |
724 | if (xarg > 1 && IS(cconv, "__fastcall")) { |
725 | if (pp->arg[1].reg != NULL) { |
726 | printf("%s:%d: %s with arg2 spec %s?\n", |
727 | hdrfn, hdrfline, cconv, pp->arg[1].reg); |
728 | } |
729 | pp->arg[1].reg = strdup("edx"); |
730 | } |
731 | |
732 | pp->argc = xarg; |
733 | |
734 | for (i = 0; i < pp->argc; i++) { |
735 | if (pp->arg[i].reg == NULL) |
736 | pp->argc_stack++; |
737 | else |
738 | pp->argc_reg++; |
739 | } |
740 | |
c0050df6 |
741 | if (pp->argc == 1 && pp->arg[0].reg != NULL |
742 | && IS(pp->arg[0].reg, "ecx")) |
743 | { |
744 | pp->is_fastcall = 1; |
745 | } |
746 | else if (pp->argc_reg == 2 |
747 | && pp->arg[0].reg != NULL && IS(pp->arg[0].reg, "ecx") |
748 | && pp->arg[1].reg != NULL && IS(pp->arg[1].reg, "edx")) |
749 | { |
750 | pp->is_fastcall = 1; |
751 | } |
752 | |
753 | if (pp->is_vararg && (pp->is_stdcall || pp->is_fastcall)) { |
754 | printf("%s:%d: vararg %s?\n", hdrfn, hdrfline, cconv); |
755 | return -1; |
756 | } |
757 | |
39b168b8 |
758 | return p - protostr; |
c36e914d |
759 | } |
760 | |
bd96f656 |
761 | static int pp_name_cmp(const void *p1, const void *p2) |
762 | { |
763 | const struct parsed_proto *pp1 = p1, *pp2 = p2; |
764 | return strcmp(pp1->name, pp2->name); |
765 | } |
766 | |
865f1aca |
767 | static int ps_name_cmp(const void *p1, const void *p2) |
768 | { |
769 | const struct parsed_struct *ps1 = p1, *ps2 = p2; |
770 | return strcmp(ps1->name, ps2->name); |
771 | } |
772 | |
773 | // parsed struct cache |
774 | static struct parsed_struct *ps_cache; |
775 | static int ps_cache_size; |
776 | static int ps_cache_alloc; |
777 | |
778 | static int struct_handler(FILE *fhdr, char *proto, int *line) |
779 | { |
780 | struct parsed_struct *ps; |
781 | char lstr[256], *p; |
782 | int offset = 0; |
783 | int m = 0; |
784 | int ret; |
785 | |
786 | if (ps_cache_size >= ps_cache_alloc) { |
787 | ps_cache_alloc = ps_cache_alloc * 2 + 64; |
788 | ps_cache = realloc(ps_cache, ps_cache_alloc |
789 | * sizeof(ps_cache[0])); |
790 | my_assert_not(ps_cache, NULL); |
791 | memset(ps_cache + ps_cache_size, 0, |
792 | (ps_cache_alloc - ps_cache_size) |
793 | * sizeof(ps_cache[0])); |
794 | } |
795 | |
796 | ps = &ps_cache[ps_cache_size++]; |
797 | ret = sscanf(proto, "struct %255s {", ps->name); |
798 | if (ret != 1) { |
799 | printf("%s:%d: struct parse failed\n", hdrfn, *line); |
800 | return -1; |
801 | } |
802 | |
803 | while (fgets(lstr, sizeof(lstr), fhdr)) |
804 | { |
805 | (*line)++; |
806 | |
807 | p = sskip(lstr); |
808 | if (p[0] == '/' && p[1] == '/') |
809 | continue; |
810 | if (p[0] == '}') |
811 | break; |
812 | |
813 | if (m >= ARRAY_SIZE(ps->members)) { |
814 | printf("%s:%d: too many struct members\n", |
815 | hdrfn, *line); |
816 | return -1; |
817 | } |
818 | |
819 | hdrfline = *line; |
820 | ret = parse_protostr(p, &ps->members[m].pp); |
821 | if (ret < 0) { |
822 | printf("%s:%d: struct member #%d/%02x " |
823 | "doesn't parse\n", hdrfn, *line, |
824 | m, offset); |
825 | return -1; |
826 | } |
827 | ps->members[m].offset = offset; |
828 | offset += 4; |
829 | m++; |
830 | } |
831 | |
832 | ps->member_count = m; |
833 | |
834 | return 0; |
835 | } |
836 | |
837 | // parsed proto cache |
bd96f656 |
838 | static struct parsed_proto *pp_cache; |
839 | static int pp_cache_size; |
840 | static int pp_cache_alloc; |
841 | |
61e29183 |
842 | static int b_pp_c_handler(char *proto, const char *fname, |
ebc4dc43 |
843 | int is_include, int is_osinc, int is_cinc) |
bd96f656 |
844 | { |
845 | int ret; |
846 | |
847 | if (pp_cache_size >= pp_cache_alloc) { |
848 | pp_cache_alloc = pp_cache_alloc * 2 + 64; |
849 | pp_cache = realloc(pp_cache, pp_cache_alloc |
850 | * sizeof(pp_cache[0])); |
851 | my_assert_not(pp_cache, NULL); |
852 | memset(pp_cache + pp_cache_size, 0, |
853 | (pp_cache_alloc - pp_cache_size) |
854 | * sizeof(pp_cache[0])); |
855 | } |
856 | |
857 | ret = parse_protostr(proto, &pp_cache[pp_cache_size]); |
858 | if (ret < 0) |
859 | return -1; |
860 | |
61e29183 |
861 | pp_cache[pp_cache_size].is_include = is_include; |
862 | pp_cache[pp_cache_size].is_osinc = is_osinc; |
ebc4dc43 |
863 | pp_cache[pp_cache_size].is_cinc = is_cinc; |
bd96f656 |
864 | pp_cache_size++; |
865 | return 0; |
866 | } |
867 | |
865f1aca |
868 | static void build_caches(FILE *fhdr) |
c36e914d |
869 | { |
1f906263 |
870 | long pos; |
c36e914d |
871 | int ret; |
872 | |
1f906263 |
873 | pos = ftell(fhdr); |
bd96f656 |
874 | rewind(fhdr); |
875 | |
61e29183 |
876 | ret = do_protostrs(fhdr, hdrfn, 0); |
bd96f656 |
877 | if (ret < 0) |
878 | exit(1); |
879 | |
880 | qsort(pp_cache, pp_cache_size, sizeof(pp_cache[0]), pp_name_cmp); |
865f1aca |
881 | qsort(ps_cache, ps_cache_size, sizeof(ps_cache[0]), ps_name_cmp); |
1f906263 |
882 | fseek(fhdr, pos, SEEK_SET); |
bd96f656 |
883 | } |
884 | |
36595fd2 |
885 | static const struct parsed_proto *proto_parse(FILE *fhdr, const char *sym, |
886 | int quiet) |
bd96f656 |
887 | { |
888 | const struct parsed_proto *pp_ret; |
889 | struct parsed_proto pp_search; |
7aca4698 |
890 | char *p; |
bd96f656 |
891 | |
892 | if (pp_cache == NULL) |
865f1aca |
893 | build_caches(fhdr); |
bd96f656 |
894 | |
f9327ad4 |
895 | // ugh... |
896 | if (sym[0] == '_' && !IS_START(sym, "__W")) |
bd96f656 |
897 | sym++; |
c36e914d |
898 | |
bd96f656 |
899 | strcpy(pp_search.name, sym); |
7aca4698 |
900 | p = strchr(pp_search.name, '@'); |
901 | if (p != NULL) |
902 | *p = 0; |
903 | |
bd96f656 |
904 | pp_ret = bsearch(&pp_search, pp_cache, pp_cache_size, |
905 | sizeof(pp_cache[0]), pp_name_cmp); |
36595fd2 |
906 | if (pp_ret == NULL && !quiet) |
c36e914d |
907 | printf("%s: sym '%s' is missing\n", hdrfn, sym); |
bd96f656 |
908 | |
909 | return pp_ret; |
910 | } |
911 | |
865f1aca |
912 | static const struct parsed_proto *proto_lookup_struct(FILE *fhdr, |
913 | const char *type, int offset) |
914 | { |
915 | struct parsed_struct ps_search, *ps; |
916 | int m; |
917 | |
918 | if (pp_cache == NULL) |
919 | build_caches(fhdr); |
920 | if (ps_cache_size == 0) |
921 | return NULL; |
922 | |
923 | while (my_isblank(*type)) |
924 | type++; |
925 | if (!strncmp(type, "struct", 6) && my_isblank(type[6])) |
926 | type += 7; |
927 | |
928 | if (sscanf(type, "%255s", ps_search.name) != 1) |
929 | return NULL; |
930 | |
931 | ps = bsearch(&ps_search, ps_cache, ps_cache_size, |
932 | sizeof(ps_cache[0]), ps_name_cmp); |
933 | if (ps == NULL) { |
934 | printf("%s: struct '%s' is missing\n", |
935 | hdrfn, ps_search.name); |
936 | return NULL; |
937 | } |
938 | |
939 | for (m = 0; m < ps->member_count; m++) { |
940 | if (ps->members[m].offset == offset) |
941 | return &ps->members[m].pp; |
942 | } |
943 | |
944 | return NULL; |
945 | } |
946 | |
a652aa9f |
947 | static void pp_copy_arg(struct parsed_proto_arg *d, |
948 | const struct parsed_proto_arg *s) |
949 | { |
950 | memcpy(d, s, sizeof(*d)); |
951 | |
952 | if (s->reg != NULL) { |
953 | d->reg = strdup(s->reg); |
954 | my_assert_not(d->reg, NULL); |
955 | } |
956 | if (s->type.name != NULL) { |
957 | d->type.name = strdup(s->type.name); |
958 | my_assert_not(d->type.name, NULL); |
959 | } |
93b5bd18 |
960 | if (s->pp != NULL) { |
961 | d->pp = malloc(sizeof(*d->pp)); |
962 | my_assert_not(d->pp, NULL); |
963 | memcpy(d->pp, s->pp, sizeof(*d->pp)); |
a652aa9f |
964 | } |
965 | } |
966 | |
bd96f656 |
967 | struct parsed_proto *proto_clone(const struct parsed_proto *pp_c) |
968 | { |
969 | struct parsed_proto *pp; |
970 | int i; |
971 | |
972 | pp = malloc(sizeof(*pp)); |
973 | my_assert_not(pp, NULL); |
974 | memcpy(pp, pp_c, sizeof(*pp)); // lazy.. |
975 | |
976 | // do the actual deep copy.. |
a652aa9f |
977 | for (i = 0; i < pp_c->argc; i++) |
978 | pp_copy_arg(&pp->arg[i], &pp_c->arg[i]); |
bd96f656 |
979 | if (pp_c->ret_type.name != NULL) |
980 | pp->ret_type.name = strdup(pp_c->ret_type.name); |
c36e914d |
981 | |
bd96f656 |
982 | return pp; |
c36e914d |
983 | } |
984 | |
27ebfaed |
985 | |
986 | static inline int pp_cmp_func(const struct parsed_proto *pp1, |
987 | const struct parsed_proto *pp2) |
988 | { |
989 | int i; |
990 | |
991 | if (pp1->argc != pp2->argc || pp1->argc_reg != pp2->argc_reg) |
992 | return 1; |
993 | else { |
994 | for (i = 0; i < pp1->argc; i++) { |
995 | if ((pp1->arg[i].reg != NULL) != (pp2->arg[i].reg != NULL)) |
996 | return 1; |
997 | |
998 | if ((pp1->arg[i].reg != NULL) |
999 | && !IS(pp1->arg[i].reg, pp2->arg[i].reg)) |
1000 | { |
1001 | return 1; |
1002 | } |
1003 | } |
1004 | } |
1005 | |
1006 | return 0; |
1007 | } |
1008 | |
b74c31e3 |
1009 | static inline void pp_print(char *buf, size_t buf_size, |
1010 | const struct parsed_proto *pp) |
1011 | { |
1012 | size_t l; |
1013 | int i; |
1014 | |
1015 | snprintf(buf, buf_size, "%s %s(", pp->ret_type.name, pp->name); |
1016 | l = strlen(buf); |
1017 | |
1018 | for (i = 0; i < pp->argc_reg; i++) { |
1019 | snprintf(buf + l, buf_size - l, "%s%s", |
1020 | i == 0 ? "" : ", ", pp->arg[i].reg); |
1021 | l = strlen(buf); |
1022 | } |
1023 | if (pp->argc_stack > 0) { |
1024 | snprintf(buf + l, buf_size - l, "%s{%d stack}", |
1025 | i == 0 ? "" : ", ", pp->argc_stack); |
1026 | l = strlen(buf); |
1027 | } |
1028 | snprintf(buf + l, buf_size - l, ")"); |
1029 | } |
1030 | |
bd96f656 |
1031 | static inline void proto_release(struct parsed_proto *pp) |
c36e914d |
1032 | { |
1033 | int i; |
1034 | |
1035 | for (i = 0; i < pp->argc; i++) { |
39b168b8 |
1036 | if (pp->arg[i].reg != NULL) |
c36e914d |
1037 | free(pp->arg[i].reg); |
3ebea2cf |
1038 | if (pp->arg[i].type.name != NULL) |
1039 | free(pp->arg[i].type.name); |
93b5bd18 |
1040 | if (pp->arg[i].pp != NULL) |
1041 | free(pp->arg[i].pp); |
c36e914d |
1042 | } |
3ebea2cf |
1043 | if (pp->ret_type.name != NULL) |
1044 | free(pp->ret_type.name); |
bd96f656 |
1045 | free(pp); |
865f1aca |
1046 | |
1047 | (void)proto_lookup_struct; |
c36e914d |
1048 | } |