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 |
8c83cc48 |
26 | unsigned int is_saved:1; // not set here, for tool use |
77d7983a |
27 | void **push_refs; |
28 | int push_ref_cnt; |
39b168b8 |
29 | }; |
30 | |
c36e914d |
31 | struct parsed_proto { |
39b168b8 |
32 | char name[256]; |
3ebea2cf |
33 | union { |
34 | struct parsed_type ret_type; |
35 | struct parsed_type type; |
36 | }; |
57b1b785 |
37 | struct parsed_proto_arg arg[32]; |
c36e914d |
38 | int argc; |
39 | int argc_stack; |
40 | int argc_reg; |
06c5d854 |
41 | unsigned int is_func:1; |
39b168b8 |
42 | unsigned int is_stdcall:1; |
c0050df6 |
43 | unsigned int is_fastcall:1; |
efea2951 |
44 | unsigned int is_vararg:1; // vararg func |
39b168b8 |
45 | unsigned int is_fptr:1; |
1fe8d40e |
46 | unsigned int is_import:1; // data import |
e56ab892 |
47 | unsigned int is_noreturn:1; |
89ff3147 |
48 | unsigned int is_unresolved:1; |
1fe8d40e |
49 | unsigned int is_guessed:1; // for extra checking |
1f84f6b3 |
50 | unsigned int is_userstack:1; |
61e29183 |
51 | unsigned int is_include:1; // not from top-level header |
52 | unsigned int is_osinc:1; // OS/system library func |
ebc4dc43 |
53 | unsigned int is_cinc:1; // crt library func |
179b79a9 |
54 | unsigned int is_arg:1; // declared in some func arg |
a652aa9f |
55 | unsigned int has_structarg:1; |
1f84f6b3 |
56 | unsigned int has_retreg:1; |
c36e914d |
57 | }; |
58 | |
865f1aca |
59 | struct parsed_struct { |
60 | char name[256]; |
61 | struct { |
62 | int offset; |
63 | struct parsed_proto pp; |
64 | } members[64]; |
65 | int member_count; |
66 | }; |
67 | |
c36e914d |
68 | static const char *hdrfn; |
69 | static int hdrfline = 0; |
70 | |
a652aa9f |
71 | static void pp_copy_arg(struct parsed_proto_arg *d, |
72 | const struct parsed_proto_arg *s); |
73 | |
61e29183 |
74 | static int b_pp_c_handler(char *proto, const char *fname, |
ebc4dc43 |
75 | int is_include, int is_osinc, int is_cinc); |
865f1aca |
76 | static int struct_handler(FILE *fhdr, char *proto, int *line); |
bd96f656 |
77 | |
61e29183 |
78 | static int do_protostrs(FILE *fhdr, const char *fname, int is_include) |
c36e914d |
79 | { |
06c5d854 |
80 | const char *finc_name; |
bd96f656 |
81 | const char *hdrfn_saved; |
82 | char protostr[256]; |
36595fd2 |
83 | char path[256]; |
84 | char fname_inc[256]; |
61e29183 |
85 | int is_osinc; |
ebc4dc43 |
86 | int is_cinc; |
39b168b8 |
87 | FILE *finc; |
c36e914d |
88 | int line = 0; |
39b168b8 |
89 | int ret; |
c36e914d |
90 | char *p; |
91 | |
bd96f656 |
92 | hdrfn_saved = hdrfn; |
93 | hdrfn = fname; |
39b168b8 |
94 | |
ebc4dc43 |
95 | is_cinc = strstr(fname, "stdc.hlist") != NULL; |
edeadc28 |
96 | is_osinc = is_cinc || strstr(fname, "win32.hlist") != NULL; |
179b79a9 |
97 | |
bd96f656 |
98 | while (fgets(protostr, sizeof(protostr), fhdr)) |
c36e914d |
99 | { |
100 | line++; |
bd96f656 |
101 | if (strncmp(protostr, "//#include ", 11) == 0) { |
102 | finc_name = protostr + 11; |
06c5d854 |
103 | p = strpbrk(finc_name, "\r\n "); |
39b168b8 |
104 | if (p != NULL) |
105 | *p = 0; |
106 | |
36595fd2 |
107 | path[0] = 0; |
108 | p = strrchr(hdrfn_saved, '/'); |
109 | if (p) { |
110 | memcpy(path, hdrfn_saved, |
111 | p - hdrfn_saved + 1); |
112 | path[p - hdrfn_saved + 1] = 0; |
113 | } |
114 | snprintf(fname_inc, sizeof(fname_inc), "%s%s", |
115 | path, finc_name); |
116 | finc = fopen(fname_inc, "r"); |
39b168b8 |
117 | if (finc == NULL) { |
118 | printf("%s:%d: can't open '%s'\n", |
36595fd2 |
119 | fname_inc, line, finc_name); |
39b168b8 |
120 | continue; |
121 | } |
61e29183 |
122 | ret = do_protostrs(finc, finc_name, 1); |
39b168b8 |
123 | fclose(finc); |
bd96f656 |
124 | if (ret < 0) |
39b168b8 |
125 | break; |
126 | continue; |
127 | } |
bd96f656 |
128 | if (strncmp(sskip(protostr), "//", 2) == 0) |
129 | continue; |
130 | |
131 | p = protostr + strlen(protostr); |
132 | for (p--; p >= protostr && my_isblank(*p); --p) |
133 | *p = 0; |
134 | if (p < protostr) |
06c5d854 |
135 | continue; |
39b168b8 |
136 | |
bd96f656 |
137 | hdrfline = line; |
138 | |
865f1aca |
139 | if (!strncmp(protostr, "struct", 6) |
140 | && strchr(protostr, '{') != NULL) |
141 | ret = struct_handler(fhdr, protostr, &line); |
142 | else |
143 | ret = b_pp_c_handler(protostr, hdrfn, |
144 | is_include, is_osinc, is_cinc); |
bd96f656 |
145 | if (ret < 0) |
c36e914d |
146 | break; |
147 | } |
c36e914d |
148 | |
bd96f656 |
149 | hdrfn = hdrfn_saved; |
c36e914d |
150 | |
bd96f656 |
151 | if (feof(fhdr)) |
152 | return 0; |
c36e914d |
153 | |
bd96f656 |
154 | return -1; |
c36e914d |
155 | } |
156 | |
1f84f6b3 |
157 | static int get_regparm(char *dst, size_t dlen, char *p, int *retreg) |
c36e914d |
158 | { |
1f84f6b3 |
159 | int i = 0, o; |
160 | |
161 | *retreg = 0; |
c36e914d |
162 | |
163 | if (*p != '<') |
164 | return 0; |
165 | |
1f84f6b3 |
166 | i++; |
167 | if (p[i] == '*') { |
168 | *retreg = 1; |
169 | i++; |
170 | } |
171 | |
172 | for (o = 0; o < dlen; i++) { |
c36e914d |
173 | if (p[i] == 0) |
174 | return 0; |
175 | if (p[i] == '>') |
176 | break; |
177 | dst[o++] = p[i]; |
178 | } |
179 | dst[o] = 0; |
180 | return i + 1; |
181 | } |
182 | |
183 | // hmh.. |
64c59faf |
184 | static const char *known_type_mod[] = { |
185 | "const", |
186 | "signed", |
187 | "unsigned", |
3ebea2cf |
188 | "enum", |
840257f6 |
189 | "CONST", |
92804a48 |
190 | "volatile", |
64c59faf |
191 | }; |
192 | |
3ebea2cf |
193 | static const char *known_ptr_types[] = { |
da87ae38 |
194 | "FARPROC", |
92804a48 |
195 | "WNDPROC", |
bf2471e9 |
196 | "LINECALLBACK", |
e56ab892 |
197 | "HACCEL", |
c36e914d |
198 | "HANDLE", |
e56ab892 |
199 | "HBITMAP", |
79af284c |
200 | "HBRUSH", |
bf2471e9 |
201 | "HCALL", |
e56ab892 |
202 | "HCURSOR", |
3ebea2cf |
203 | "HDC", |
a652aa9f |
204 | "HFONT", |
3ebea2cf |
205 | "HGDIOBJ", |
e56ab892 |
206 | "HGLOBAL", |
79af284c |
207 | "HHOOK", |
da87ae38 |
208 | "HICON", |
e56ab892 |
209 | "HINSTANCE", |
c7ed83dd |
210 | "HIMC", // DWORD in mingw, ptr in wine.. |
bf2471e9 |
211 | "HLINE", |
212 | "HLINEAPP", |
213 | "HLOCAL", |
e56ab892 |
214 | "HMODULE", |
da87ae38 |
215 | "HPALETTE", |
e56ab892 |
216 | "HRGN", |
217 | "HRSRC", |
218 | "HKEY", |
360cca21 |
219 | "HKL", |
e56ab892 |
220 | "HMENU", |
383dff16 |
221 | "HMONITOR", |
7aca4698 |
222 | "HWAVEOUT", |
e56ab892 |
223 | "HWND", |
b62264bc |
224 | "PAPPBARDATA", |
ef6b315d |
225 | "PBYTE", |
a2c1d768 |
226 | "PCRITICAL_SECTION", |
b62264bc |
227 | "PDEVMODEA", |
3ebea2cf |
228 | "PDWORD", |
92804a48 |
229 | "PFILETIME", |
bf2471e9 |
230 | "PLARGE_INTEGER", |
79af284c |
231 | "PHANDLE", |
94d447fb |
232 | "PHKEY", |
233 | "PLONG", |
a2c1d768 |
234 | "PMEMORY_BASIC_INFORMATION", |
46411e6c |
235 | "PUINT", |
f9327ad4 |
236 | "PULARGE_INTEGER", |
237 | "PULONG_PTR", |
3ebea2cf |
238 | "PVOID", |
239 | "PCVOID", |
ef6b315d |
240 | "PWORD", |
79af284c |
241 | "REFCLSID", |
ead38b9e |
242 | "REFGUID", |
79af284c |
243 | "REFIID", |
354f5504 |
244 | "SC_HANDLE", |
245 | "SERVICE_STATUS_HANDLE", |
79af284c |
246 | "HOOKPROC", |
e56ab892 |
247 | "DLGPROC", |
cdfaeed7 |
248 | "TIMERPROC", |
249 | "WNDENUMPROC", |
4f12f671 |
250 | "va_list", |
251 | "__VALIST", |
3ebea2cf |
252 | }; |
253 | |
254 | static const char *ignored_keywords[] = { |
255 | "extern", |
256 | "WINBASEAPI", |
257 | "WINUSERAPI", |
4f12f671 |
258 | "WINGDIAPI", |
259 | "WINADVAPI", |
c36e914d |
260 | }; |
261 | |
3ebea2cf |
262 | static int typecmp(const char *n, const char *t) |
39b168b8 |
263 | { |
264 | for (; *t != 0; n++, t++) { |
265 | while (n[0] == ' ' && (n[1] == ' ' || n[1] == '*')) |
266 | n++; |
267 | while (t[0] == ' ' && (t[1] == ' ' || t[1] == '*')) |
268 | t++; |
269 | if (*n != *t) |
3ebea2cf |
270 | return *n - *t; |
39b168b8 |
271 | } |
272 | |
3ebea2cf |
273 | return 0; |
39b168b8 |
274 | } |
275 | |
3ebea2cf |
276 | static const char *skip_type_mod(const char *n) |
c36e914d |
277 | { |
64c59faf |
278 | int len; |
39b168b8 |
279 | int i; |
c36e914d |
280 | |
64c59faf |
281 | for (i = 0; i < ARRAY_SIZE(known_type_mod); i++) { |
282 | len = strlen(known_type_mod[i]); |
283 | if (strncmp(n, known_type_mod[i], len) != 0) |
284 | continue; |
bd96f656 |
285 | if (!my_isblank(n[len])) |
286 | continue; |
64c59faf |
287 | |
288 | n += len; |
289 | while (my_isblank(*n)) |
290 | n++; |
291 | i = 0; |
292 | } |
293 | |
3ebea2cf |
294 | return n; |
295 | } |
296 | |
297 | static int check_type(const char *name, struct parsed_type *type) |
298 | { |
299 | const char *n, *n1; |
300 | int ret = -1; |
301 | int i; |
302 | |
303 | n = skip_type_mod(name); |
304 | |
865f1aca |
305 | if (!strncmp(n, "struct", 6) && my_isblank(n[6])) { |
306 | type->is_struct = 1; |
307 | |
308 | n += 6; |
309 | while (my_isblank(*n)) |
310 | n++; |
311 | } |
312 | |
3ebea2cf |
313 | for (i = 0; i < ARRAY_SIZE(known_ptr_types); i++) { |
314 | if (typecmp(n, known_ptr_types[i])) |
64c59faf |
315 | continue; |
316 | |
3ebea2cf |
317 | type->is_ptr = 1; |
318 | break; |
c36e914d |
319 | } |
320 | |
a652aa9f |
321 | if (n[0] == 'L' && n[1] == 'P' && strncmp(n, "LPARAM", 6)) |
3ebea2cf |
322 | type->is_ptr = 1; |
323 | |
324 | // assume single word |
325 | while (!my_isblank(*n) && !my_issep(*n)) |
326 | n++; |
327 | |
328 | while (1) { |
329 | n1 = n; |
330 | while (my_isblank(*n)) |
331 | n++; |
332 | if (*n == '*') { |
333 | type->is_ptr = 1; |
334 | n++; |
335 | continue; |
336 | } |
337 | break; |
338 | } |
339 | |
340 | ret = n1 - name; |
341 | type->name = strndup(name, ret); |
5f70a34f |
342 | if (IS(type->name, "__VALIST") || IS(type->name, "va_list")) |
343 | type->is_va_list = 1; |
a2c1d768 |
344 | if (IS(type->name, "VOID")) |
345 | memcpy(type->name, "void", 4); |
346 | |
3ebea2cf |
347 | return ret; |
c36e914d |
348 | } |
349 | |
350 | /* args are always expanded to 32bit */ |
351 | static const char *map_reg(const char *reg) |
352 | { |
353 | const char *regs_f[] = { "eax", "ebx", "ecx", "edx", "esi", "edi" }; |
354 | const char *regs_w[] = { "ax", "bx", "cx", "dx", "si", "di" }; |
355 | const char *regs_b[] = { "al", "bl", "cl", "dl" }; |
356 | int i; |
357 | |
358 | for (i = 0; i < ARRAY_SIZE(regs_w); i++) |
359 | if (IS(reg, regs_w[i])) |
360 | return regs_f[i]; |
361 | |
362 | for (i = 0; i < ARRAY_SIZE(regs_b); i++) |
363 | if (IS(reg, regs_b[i])) |
364 | return regs_f[i]; |
365 | |
366 | return reg; |
367 | } |
368 | |
a652aa9f |
369 | static int check_struct_arg(struct parsed_proto_arg *arg) |
370 | { |
371 | if (IS(arg->type.name, "POINT")) |
372 | return 2 - 1; |
373 | |
374 | return 0; |
375 | } |
376 | |
93b5bd18 |
377 | static int parse_protostr(char *protostr, struct parsed_proto *pp); |
378 | |
379 | static int parse_arg(char **p_, struct parsed_proto_arg *arg, int xarg) |
380 | { |
381 | char buf[256]; |
382 | char *p = *p_; |
383 | char *pe; |
384 | int ret; |
385 | |
386 | arg->pp = calloc(1, sizeof(*arg->pp)); |
387 | my_assert_not(arg->pp, NULL); |
388 | arg->pp->is_arg = 1; |
389 | |
390 | pe = p; |
391 | while (1) { |
392 | pe = strpbrk(pe, ",()"); |
393 | if (pe == NULL) |
394 | return -1; |
395 | if (*pe == ',' || *pe == ')') |
396 | break; |
397 | pe = strchr(pe, ')'); |
398 | if (pe == NULL) |
399 | return -1; |
400 | pe++; |
401 | } |
402 | |
403 | if (pe - p > sizeof(buf) - 1) |
404 | return -1; |
405 | memcpy(buf, p, pe - p); |
406 | buf[pe - p] = 0; |
407 | |
408 | ret = parse_protostr(buf, arg->pp); |
409 | if (ret < 0) |
410 | return -1; |
411 | |
1fe8d40e |
412 | if (IS_START(arg->pp->name, "guess")) |
413 | arg->pp->is_guessed = 1; |
414 | |
93b5bd18 |
415 | // we don't use actual names right now... |
416 | snprintf(arg->pp->name, sizeof(arg->pp->name), "a%d", xarg); |
417 | |
418 | if (!arg->type.is_struct) |
419 | // we'll treat it as void * for non-calls |
420 | arg->type.name = strdup("void *"); |
421 | arg->type.is_ptr = 1; |
422 | |
423 | p += ret; |
424 | *p_ = p; |
425 | return 0; |
426 | } |
427 | |
c36e914d |
428 | static int parse_protostr(char *protostr, struct parsed_proto *pp) |
429 | { |
39b168b8 |
430 | struct parsed_proto_arg *arg; |
c36e914d |
431 | char regparm[16]; |
432 | char buf[256]; |
433 | char cconv[32]; |
1f84f6b3 |
434 | int is_retreg; |
39b168b8 |
435 | char *p, *p1; |
93b5bd18 |
436 | int xarg = 0; |
3ebea2cf |
437 | int i, l; |
c36e914d |
438 | int ret; |
c36e914d |
439 | |
06c5d854 |
440 | p = sskip(protostr); |
c36e914d |
441 | if (p[0] == '/' && p[1] == '/') { |
06c5d854 |
442 | printf("%s:%d: commented out?\n", hdrfn, hdrfline); |
c36e914d |
443 | p = sskip(p + 2); |
444 | } |
445 | |
865f1aca |
446 | // allow start of line comment |
447 | if (p[0] == '/' && p[1] == '*') { |
448 | p = strstr(p + 2, "*/"); |
449 | if (p == NULL) { |
450 | printf("%s:%d: multiline comments unsupported\n", |
451 | hdrfn, hdrfline); |
452 | return -1; |
453 | } |
454 | p = sskip(p + 2); |
455 | } |
456 | |
457 | // we need remaining hints in comments, so strip / * |
06c5d854 |
458 | for (p1 = p; p1[0] != 0 && p1[1] != 0; p1++) { |
459 | if ((p1[0] == '/' && p1[1] == '*') |
460 | || (p1[0] == '*' && p1[1] == '/')) |
461 | p1[0] = p1[1] = ' '; |
462 | } |
463 | |
e56ab892 |
464 | if (!strncmp(p, "DECLSPEC_NORETURN ", 18)) { |
465 | pp->is_noreturn = 1; |
466 | p = sskip(p + 18); |
467 | } |
468 | |
3ebea2cf |
469 | for (i = 0; i < ARRAY_SIZE(ignored_keywords); i++) { |
470 | l = strlen(ignored_keywords[i]); |
471 | if (!strncmp(p, ignored_keywords[i], l) && my_isblank(p[l])) |
472 | p = sskip(p + l + 1); |
473 | } |
06c5d854 |
474 | |
1fe8d40e |
475 | if (IS_START(p, "DECL_IMPORT ")) { |
476 | pp->is_import = 1; |
477 | p = sskip(p + 12); |
478 | } |
479 | |
3ebea2cf |
480 | ret = check_type(p, &pp->ret_type); |
481 | if (ret <= 0) { |
63df67be |
482 | printf("%s:%d:%zd: unhandled return in '%s'\n", |
c36e914d |
483 | hdrfn, hdrfline, (p - protostr) + 1, protostr); |
39b168b8 |
484 | return -1; |
c36e914d |
485 | } |
64c59faf |
486 | p = sskip(p + ret); |
c36e914d |
487 | |
da87ae38 |
488 | if (!strncmp(p, "noreturn ", 9)) { |
489 | pp->is_noreturn = 1; |
490 | p = sskip(p + 9); |
491 | } |
492 | |
06c5d854 |
493 | if (!strchr(p, ')')) { |
494 | p = next_idt(buf, sizeof(buf), p); |
495 | p = sskip(p); |
93b5bd18 |
496 | if (!pp->is_arg && buf[0] == 0) { |
497 | printf("%s:%d:%zd: var name is missing\n", |
06c5d854 |
498 | hdrfn, hdrfline, (p - protostr) + 1); |
499 | return -1; |
500 | } |
501 | strcpy(pp->name, buf); |
502 | |
503 | p1 = strchr(p, ']'); |
504 | if (p1 != NULL) { |
505 | p = p1 + 1; |
3ebea2cf |
506 | pp->ret_type.is_array = 1; |
06c5d854 |
507 | } |
508 | return p - protostr; |
509 | } |
510 | |
511 | pp->is_func = 1; |
512 | |
39b168b8 |
513 | if (*p == '(') { |
514 | pp->is_fptr = 1; |
515 | p = sskip(p + 1); |
516 | } |
517 | |
c36e914d |
518 | p = next_word(cconv, sizeof(cconv), p); |
519 | p = sskip(p); |
520 | if (cconv[0] == 0) { |
63df67be |
521 | printf("%s:%d:%zd: cconv missing\n", |
c36e914d |
522 | hdrfn, hdrfline, (p - protostr) + 1); |
39b168b8 |
523 | return -1; |
c36e914d |
524 | } |
525 | if (IS(cconv, "__cdecl")) |
526 | pp->is_stdcall = 0; |
527 | else if (IS(cconv, "__stdcall")) |
528 | pp->is_stdcall = 1; |
c0050df6 |
529 | else if (IS(cconv, "__fastcall")) { |
530 | pp->is_fastcall = 1; |
531 | pp->is_stdcall = 1; // sort of.. |
532 | } |
c36e914d |
533 | else if (IS(cconv, "__thiscall")) |
534 | pp->is_stdcall = 1; |
535 | else if (IS(cconv, "__userpurge")) |
de50b98b |
536 | pp->is_stdcall = 1; // IDA |
c36e914d |
537 | else if (IS(cconv, "__usercall")) |
de50b98b |
538 | pp->is_stdcall = 0; // IDA |
1f84f6b3 |
539 | else if (IS(cconv, "__userstack")) { |
540 | pp->is_stdcall = 0; // custom |
541 | pp->is_userstack = 1; |
542 | } |
79af284c |
543 | else if (IS(cconv, "WINAPI") || IS(cconv, "PASCAL")) |
64c59faf |
544 | pp->is_stdcall = 1; |
c36e914d |
545 | else { |
63df67be |
546 | printf("%s:%d:%zd: unhandled cconv: '%s'\n", |
c36e914d |
547 | hdrfn, hdrfline, (p - protostr) + 1, cconv); |
39b168b8 |
548 | return -1; |
549 | } |
550 | |
551 | if (pp->is_fptr) { |
552 | if (*p != '*') { |
63df67be |
553 | printf("%s:%d:%zd: '*' expected\n", |
39b168b8 |
554 | hdrfn, hdrfline, (p - protostr) + 1); |
555 | return -1; |
556 | } |
bd96f656 |
557 | p++; |
558 | // XXX: skipping extra asterisks, for now |
559 | while (*p == '*') |
560 | p++; |
561 | p = sskip(p); |
c36e914d |
562 | } |
563 | |
564 | p = next_idt(buf, sizeof(buf), p); |
565 | p = sskip(p); |
566 | if (buf[0] == 0) { |
de50b98b |
567 | //printf("%s:%d:%zd: func name missing\n", |
568 | // hdrfn, hdrfline, (p - protostr) + 1); |
569 | //return -1; |
c36e914d |
570 | } |
39b168b8 |
571 | strcpy(pp->name, buf); |
c36e914d |
572 | |
1f84f6b3 |
573 | ret = get_regparm(regparm, sizeof(regparm), p, &is_retreg); |
c36e914d |
574 | if (ret > 0) { |
575 | if (!IS(regparm, "eax") && !IS(regparm, "ax") |
2b43685d |
576 | && !IS(regparm, "al") && !IS(regparm, "edx:eax")) |
c36e914d |
577 | { |
63df67be |
578 | printf("%s:%d:%zd: bad regparm: %s\n", |
c36e914d |
579 | hdrfn, hdrfline, (p - protostr) + 1, regparm); |
39b168b8 |
580 | return -1; |
c36e914d |
581 | } |
582 | p += ret; |
583 | p = sskip(p); |
584 | } |
585 | |
39b168b8 |
586 | if (pp->is_fptr) { |
bd96f656 |
587 | if (*p == '[') { |
588 | // not really ret_type is array, but ohwell |
589 | pp->ret_type.is_array = 1; |
590 | p = strchr(p + 1, ']'); |
591 | if (p == NULL) { |
592 | printf("%s:%d:%zd: ']' expected\n", |
593 | hdrfn, hdrfline, (p - protostr) + 1); |
594 | return -1; |
595 | } |
596 | p = sskip(p + 1); |
597 | } |
39b168b8 |
598 | if (*p != ')') { |
63df67be |
599 | printf("%s:%d:%zd: ')' expected\n", |
39b168b8 |
600 | hdrfn, hdrfline, (p - protostr) + 1); |
601 | return -1; |
602 | } |
603 | p = sskip(p + 1); |
604 | } |
605 | |
c36e914d |
606 | if (*p != '(') { |
63df67be |
607 | printf("%s:%d:%zd: '(' expected, got '%c'\n", |
c36e914d |
608 | hdrfn, hdrfline, (p - protostr) + 1, *p); |
39b168b8 |
609 | return -1; |
c36e914d |
610 | } |
611 | p++; |
612 | |
39b168b8 |
613 | // check for x(void) |
614 | p = sskip(p); |
06c5d854 |
615 | if ((!strncmp(p, "void", 4) || !strncmp(p, "VOID", 4)) |
616 | && *sskip(p + 4) == ')') |
39b168b8 |
617 | p += 4; |
618 | |
c36e914d |
619 | while (1) { |
620 | p = sskip(p); |
39b168b8 |
621 | if (*p == ')') { |
622 | p++; |
c36e914d |
623 | break; |
39b168b8 |
624 | } |
840257f6 |
625 | if (xarg > 0) { |
626 | if (*p != ',') { |
627 | printf("%s:%d:%zd: ',' expected\n", |
628 | hdrfn, hdrfline, (p - protostr) + 1); |
629 | return -1; |
630 | } |
c36e914d |
631 | p = sskip(p + 1); |
840257f6 |
632 | } |
c36e914d |
633 | |
7ba45c34 |
634 | if (!strncmp(p, "...", 3)) { |
635 | pp->is_vararg = 1; |
636 | p = sskip(p + 3); |
637 | if (*p == ')') { |
638 | p++; |
639 | break; |
640 | } |
63df67be |
641 | printf("%s:%d:%zd: ')' expected\n", |
7ba45c34 |
642 | hdrfn, hdrfline, (p - protostr) + 1); |
643 | return -1; |
644 | } |
645 | |
57b1b785 |
646 | if (xarg >= ARRAY_SIZE(pp->arg)) { |
647 | printf("%s:%d:%zd: too many args\n", |
648 | hdrfn, hdrfline, (p - protostr) + 1); |
649 | return -1; |
650 | } |
651 | |
39b168b8 |
652 | arg = &pp->arg[xarg]; |
c36e914d |
653 | xarg++; |
654 | |
39b168b8 |
655 | p1 = p; |
3ebea2cf |
656 | ret = check_type(p, &arg->type); |
657 | if (ret <= 0) { |
63df67be |
658 | printf("%s:%d:%zd: unhandled type for arg%d\n", |
c36e914d |
659 | hdrfn, hdrfline, (p - protostr) + 1, xarg); |
39b168b8 |
660 | return -1; |
c36e914d |
661 | } |
64c59faf |
662 | p = sskip(p + ret); |
c36e914d |
663 | |
93b5bd18 |
664 | if (*p == '(' || arg->type.is_struct) { |
665 | // func ptr or struct |
666 | ret = parse_arg(&p1, arg, xarg); |
39b168b8 |
667 | if (ret < 0) { |
63df67be |
668 | printf("%s:%d:%zd: funcarg parse failed\n", |
39b168b8 |
669 | hdrfn, hdrfline, p1 - protostr); |
670 | return -1; |
671 | } |
93b5bd18 |
672 | p = p1; |
39b168b8 |
673 | } |
674 | |
c36e914d |
675 | p = next_idt(buf, sizeof(buf), p); |
676 | p = sskip(p); |
677 | #if 0 |
678 | if (buf[0] == 0) { |
63df67be |
679 | printf("%s:%d:%zd: idt missing for arg%d\n", |
c36e914d |
680 | hdrfn, hdrfline, (p - protostr) + 1, xarg); |
39b168b8 |
681 | return -1; |
c36e914d |
682 | } |
683 | #endif |
39b168b8 |
684 | arg->reg = NULL; |
c36e914d |
685 | |
1f84f6b3 |
686 | ret = get_regparm(regparm, sizeof(regparm), p, &is_retreg); |
c36e914d |
687 | if (ret > 0) { |
688 | p += ret; |
689 | p = sskip(p); |
690 | |
39b168b8 |
691 | arg->reg = strdup(map_reg(regparm)); |
1f84f6b3 |
692 | arg->type.is_retreg = is_retreg; |
693 | pp->has_retreg |= is_retreg; |
c36e914d |
694 | } |
a652aa9f |
695 | |
b62264bc |
696 | if (IS(arg->type.name, "float") |
697 | || IS(arg->type.name, "double")) |
698 | { |
699 | arg->type.is_float = 1; |
700 | } |
701 | |
f9327ad4 |
702 | if (!arg->type.is_ptr && (strstr(arg->type.name, "int64") |
703 | || IS(arg->type.name, "double"))) |
7e50b291 |
704 | { |
2c31fb4c |
705 | arg->type.is_64bit = 1; |
7e50b291 |
706 | // hack.. |
7e50b291 |
707 | pp_copy_arg(&pp->arg[xarg], arg); |
2c31fb4c |
708 | arg = &pp->arg[xarg]; |
7e50b291 |
709 | xarg++; |
2c31fb4c |
710 | free(arg->type.name); |
711 | arg->type.name = strdup("dummy"); |
7e50b291 |
712 | } |
713 | |
a652aa9f |
714 | ret = check_struct_arg(arg); |
715 | if (ret > 0) { |
716 | pp->has_structarg = 1; |
717 | arg->type.is_struct = 1; |
718 | free(arg->type.name); |
719 | arg->type.name = strdup("int"); |
720 | for (l = 0; l < ret; l++) { |
721 | pp_copy_arg(&pp->arg[xarg], arg); |
722 | xarg++; |
723 | } |
724 | } |
c36e914d |
725 | } |
726 | |
727 | if (xarg > 0 && (IS(cconv, "__fastcall") || IS(cconv, "__thiscall"))) { |
728 | if (pp->arg[0].reg != NULL) { |
729 | printf("%s:%d: %s with arg1 spec %s?\n", |
730 | hdrfn, hdrfline, cconv, pp->arg[0].reg); |
731 | } |
732 | pp->arg[0].reg = strdup("ecx"); |
733 | } |
734 | |
735 | if (xarg > 1 && IS(cconv, "__fastcall")) { |
736 | if (pp->arg[1].reg != NULL) { |
737 | printf("%s:%d: %s with arg2 spec %s?\n", |
738 | hdrfn, hdrfline, cconv, pp->arg[1].reg); |
739 | } |
740 | pp->arg[1].reg = strdup("edx"); |
741 | } |
742 | |
743 | pp->argc = xarg; |
744 | |
745 | for (i = 0; i < pp->argc; i++) { |
746 | if (pp->arg[i].reg == NULL) |
747 | pp->argc_stack++; |
748 | else |
749 | pp->argc_reg++; |
750 | } |
751 | |
c0050df6 |
752 | if (pp->argc == 1 && pp->arg[0].reg != NULL |
753 | && IS(pp->arg[0].reg, "ecx")) |
754 | { |
755 | pp->is_fastcall = 1; |
756 | } |
757 | else if (pp->argc_reg == 2 |
758 | && pp->arg[0].reg != NULL && IS(pp->arg[0].reg, "ecx") |
759 | && pp->arg[1].reg != NULL && IS(pp->arg[1].reg, "edx")) |
760 | { |
761 | pp->is_fastcall = 1; |
762 | } |
763 | |
764 | if (pp->is_vararg && (pp->is_stdcall || pp->is_fastcall)) { |
765 | printf("%s:%d: vararg %s?\n", hdrfn, hdrfline, cconv); |
766 | return -1; |
767 | } |
768 | |
39b168b8 |
769 | return p - protostr; |
c36e914d |
770 | } |
771 | |
bd96f656 |
772 | static int pp_name_cmp(const void *p1, const void *p2) |
773 | { |
774 | const struct parsed_proto *pp1 = p1, *pp2 = p2; |
775 | return strcmp(pp1->name, pp2->name); |
776 | } |
777 | |
865f1aca |
778 | static int ps_name_cmp(const void *p1, const void *p2) |
779 | { |
780 | const struct parsed_struct *ps1 = p1, *ps2 = p2; |
781 | return strcmp(ps1->name, ps2->name); |
782 | } |
783 | |
784 | // parsed struct cache |
785 | static struct parsed_struct *ps_cache; |
786 | static int ps_cache_size; |
787 | static int ps_cache_alloc; |
788 | |
789 | static int struct_handler(FILE *fhdr, char *proto, int *line) |
790 | { |
791 | struct parsed_struct *ps; |
792 | char lstr[256], *p; |
793 | int offset = 0; |
794 | int m = 0; |
795 | int ret; |
796 | |
797 | if (ps_cache_size >= ps_cache_alloc) { |
798 | ps_cache_alloc = ps_cache_alloc * 2 + 64; |
799 | ps_cache = realloc(ps_cache, ps_cache_alloc |
800 | * sizeof(ps_cache[0])); |
801 | my_assert_not(ps_cache, NULL); |
802 | memset(ps_cache + ps_cache_size, 0, |
803 | (ps_cache_alloc - ps_cache_size) |
804 | * sizeof(ps_cache[0])); |
805 | } |
806 | |
807 | ps = &ps_cache[ps_cache_size++]; |
808 | ret = sscanf(proto, "struct %255s {", ps->name); |
809 | if (ret != 1) { |
810 | printf("%s:%d: struct parse failed\n", hdrfn, *line); |
811 | return -1; |
812 | } |
813 | |
814 | while (fgets(lstr, sizeof(lstr), fhdr)) |
815 | { |
816 | (*line)++; |
817 | |
818 | p = sskip(lstr); |
819 | if (p[0] == '/' && p[1] == '/') |
820 | continue; |
821 | if (p[0] == '}') |
822 | break; |
823 | |
824 | if (m >= ARRAY_SIZE(ps->members)) { |
825 | printf("%s:%d: too many struct members\n", |
826 | hdrfn, *line); |
827 | return -1; |
828 | } |
829 | |
830 | hdrfline = *line; |
831 | ret = parse_protostr(p, &ps->members[m].pp); |
832 | if (ret < 0) { |
833 | printf("%s:%d: struct member #%d/%02x " |
834 | "doesn't parse\n", hdrfn, *line, |
835 | m, offset); |
836 | return -1; |
837 | } |
838 | ps->members[m].offset = offset; |
839 | offset += 4; |
840 | m++; |
841 | } |
842 | |
843 | ps->member_count = m; |
844 | |
845 | return 0; |
846 | } |
847 | |
848 | // parsed proto cache |
bd96f656 |
849 | static struct parsed_proto *pp_cache; |
850 | static int pp_cache_size; |
851 | static int pp_cache_alloc; |
852 | |
61e29183 |
853 | static int b_pp_c_handler(char *proto, const char *fname, |
ebc4dc43 |
854 | int is_include, int is_osinc, int is_cinc) |
bd96f656 |
855 | { |
856 | int ret; |
857 | |
858 | if (pp_cache_size >= pp_cache_alloc) { |
859 | pp_cache_alloc = pp_cache_alloc * 2 + 64; |
860 | pp_cache = realloc(pp_cache, pp_cache_alloc |
861 | * sizeof(pp_cache[0])); |
862 | my_assert_not(pp_cache, NULL); |
863 | memset(pp_cache + pp_cache_size, 0, |
864 | (pp_cache_alloc - pp_cache_size) |
865 | * sizeof(pp_cache[0])); |
866 | } |
867 | |
868 | ret = parse_protostr(proto, &pp_cache[pp_cache_size]); |
869 | if (ret < 0) |
870 | return -1; |
871 | |
61e29183 |
872 | pp_cache[pp_cache_size].is_include = is_include; |
873 | pp_cache[pp_cache_size].is_osinc = is_osinc; |
ebc4dc43 |
874 | pp_cache[pp_cache_size].is_cinc = is_cinc; |
bd96f656 |
875 | pp_cache_size++; |
876 | return 0; |
877 | } |
878 | |
865f1aca |
879 | static void build_caches(FILE *fhdr) |
c36e914d |
880 | { |
1f906263 |
881 | long pos; |
c36e914d |
882 | int ret; |
883 | |
1f906263 |
884 | pos = ftell(fhdr); |
bd96f656 |
885 | rewind(fhdr); |
886 | |
61e29183 |
887 | ret = do_protostrs(fhdr, hdrfn, 0); |
bd96f656 |
888 | if (ret < 0) |
889 | exit(1); |
890 | |
891 | qsort(pp_cache, pp_cache_size, sizeof(pp_cache[0]), pp_name_cmp); |
865f1aca |
892 | qsort(ps_cache, ps_cache_size, sizeof(ps_cache[0]), ps_name_cmp); |
1f906263 |
893 | fseek(fhdr, pos, SEEK_SET); |
bd96f656 |
894 | } |
895 | |
36595fd2 |
896 | static const struct parsed_proto *proto_parse(FILE *fhdr, const char *sym, |
897 | int quiet) |
bd96f656 |
898 | { |
899 | const struct parsed_proto *pp_ret; |
900 | struct parsed_proto pp_search; |
7aca4698 |
901 | char *p; |
bd96f656 |
902 | |
903 | if (pp_cache == NULL) |
865f1aca |
904 | build_caches(fhdr); |
bd96f656 |
905 | |
f9327ad4 |
906 | // ugh... |
907 | if (sym[0] == '_' && !IS_START(sym, "__W")) |
bd96f656 |
908 | sym++; |
c36e914d |
909 | |
bd96f656 |
910 | strcpy(pp_search.name, sym); |
7aca4698 |
911 | p = strchr(pp_search.name, '@'); |
912 | if (p != NULL) |
913 | *p = 0; |
914 | |
bd96f656 |
915 | pp_ret = bsearch(&pp_search, pp_cache, pp_cache_size, |
916 | sizeof(pp_cache[0]), pp_name_cmp); |
36595fd2 |
917 | if (pp_ret == NULL && !quiet) |
c36e914d |
918 | printf("%s: sym '%s' is missing\n", hdrfn, sym); |
bd96f656 |
919 | |
920 | return pp_ret; |
921 | } |
922 | |
865f1aca |
923 | static const struct parsed_proto *proto_lookup_struct(FILE *fhdr, |
924 | const char *type, int offset) |
925 | { |
926 | struct parsed_struct ps_search, *ps; |
927 | int m; |
928 | |
929 | if (pp_cache == NULL) |
930 | build_caches(fhdr); |
931 | if (ps_cache_size == 0) |
932 | return NULL; |
933 | |
934 | while (my_isblank(*type)) |
935 | type++; |
936 | if (!strncmp(type, "struct", 6) && my_isblank(type[6])) |
937 | type += 7; |
938 | |
939 | if (sscanf(type, "%255s", ps_search.name) != 1) |
940 | return NULL; |
941 | |
942 | ps = bsearch(&ps_search, ps_cache, ps_cache_size, |
943 | sizeof(ps_cache[0]), ps_name_cmp); |
944 | if (ps == NULL) { |
945 | printf("%s: struct '%s' is missing\n", |
946 | hdrfn, ps_search.name); |
947 | return NULL; |
948 | } |
949 | |
950 | for (m = 0; m < ps->member_count; m++) { |
951 | if (ps->members[m].offset == offset) |
952 | return &ps->members[m].pp; |
953 | } |
954 | |
955 | return NULL; |
956 | } |
957 | |
a652aa9f |
958 | static void pp_copy_arg(struct parsed_proto_arg *d, |
959 | const struct parsed_proto_arg *s) |
960 | { |
961 | memcpy(d, s, sizeof(*d)); |
962 | |
963 | if (s->reg != NULL) { |
964 | d->reg = strdup(s->reg); |
965 | my_assert_not(d->reg, NULL); |
966 | } |
967 | if (s->type.name != NULL) { |
968 | d->type.name = strdup(s->type.name); |
969 | my_assert_not(d->type.name, NULL); |
970 | } |
93b5bd18 |
971 | if (s->pp != NULL) { |
972 | d->pp = malloc(sizeof(*d->pp)); |
973 | my_assert_not(d->pp, NULL); |
974 | memcpy(d->pp, s->pp, sizeof(*d->pp)); |
a652aa9f |
975 | } |
976 | } |
977 | |
bd96f656 |
978 | struct parsed_proto *proto_clone(const struct parsed_proto *pp_c) |
979 | { |
980 | struct parsed_proto *pp; |
981 | int i; |
982 | |
983 | pp = malloc(sizeof(*pp)); |
984 | my_assert_not(pp, NULL); |
985 | memcpy(pp, pp_c, sizeof(*pp)); // lazy.. |
986 | |
987 | // do the actual deep copy.. |
a652aa9f |
988 | for (i = 0; i < pp_c->argc; i++) |
989 | pp_copy_arg(&pp->arg[i], &pp_c->arg[i]); |
bd96f656 |
990 | if (pp_c->ret_type.name != NULL) |
991 | pp->ret_type.name = strdup(pp_c->ret_type.name); |
c36e914d |
992 | |
bd96f656 |
993 | return pp; |
c36e914d |
994 | } |
995 | |
27ebfaed |
996 | |
997 | static inline int pp_cmp_func(const struct parsed_proto *pp1, |
998 | const struct parsed_proto *pp2) |
999 | { |
1000 | int i; |
1001 | |
1002 | if (pp1->argc != pp2->argc || pp1->argc_reg != pp2->argc_reg) |
1003 | return 1; |
17ed469e |
1004 | if (pp1->is_stdcall != pp2->is_stdcall) |
1005 | return 1; |
1006 | |
1007 | // because of poor void return detection, return is not |
1008 | // checked for now to avoid heaps of false positives |
1009 | |
1010 | for (i = 0; i < pp1->argc; i++) { |
1011 | if ((pp1->arg[i].reg != NULL) != (pp2->arg[i].reg != NULL)) |
1012 | return 1; |
1013 | |
1014 | if ((pp1->arg[i].reg != NULL) |
1015 | && !IS(pp1->arg[i].reg, pp2->arg[i].reg)) |
1016 | { |
1017 | return 1; |
27ebfaed |
1018 | } |
1019 | } |
1020 | |
1021 | return 0; |
1022 | } |
1023 | |
17ed469e |
1024 | static inline int pp_compatible_func( |
1025 | const struct parsed_proto *pp_site, |
1026 | const struct parsed_proto *pp_callee) |
1027 | { |
1028 | if (pp_cmp_func(pp_site, pp_callee) == 0) |
1029 | return 1; |
1030 | |
1031 | if (pp_site->argc_stack == 0 && pp_site->is_fastcall |
1032 | && pp_callee->argc_stack == 0 |
1033 | && (pp_callee->is_fastcall || pp_callee->argc_reg == 0) |
1034 | && pp_site->argc_reg > pp_callee->argc_reg) |
1035 | /* fascall compatible callee doesn't use all args -> ok */ |
1036 | return 1; |
1037 | |
1038 | return 0; |
1039 | } |
1040 | |
b74c31e3 |
1041 | static inline void pp_print(char *buf, size_t buf_size, |
1042 | const struct parsed_proto *pp) |
1043 | { |
1044 | size_t l; |
1045 | int i; |
1046 | |
1047 | snprintf(buf, buf_size, "%s %s(", pp->ret_type.name, pp->name); |
1048 | l = strlen(buf); |
1049 | |
1050 | for (i = 0; i < pp->argc_reg; i++) { |
1051 | snprintf(buf + l, buf_size - l, "%s%s", |
1052 | i == 0 ? "" : ", ", pp->arg[i].reg); |
1053 | l = strlen(buf); |
1054 | } |
1055 | if (pp->argc_stack > 0) { |
1056 | snprintf(buf + l, buf_size - l, "%s{%d stack}", |
1057 | i == 0 ? "" : ", ", pp->argc_stack); |
1058 | l = strlen(buf); |
1059 | } |
1060 | snprintf(buf + l, buf_size - l, ")"); |
1061 | } |
1062 | |
bd96f656 |
1063 | static inline void proto_release(struct parsed_proto *pp) |
c36e914d |
1064 | { |
1065 | int i; |
1066 | |
1067 | for (i = 0; i < pp->argc; i++) { |
77d7983a |
1068 | free(pp->arg[i].reg); |
1069 | free(pp->arg[i].type.name); |
1070 | free(pp->arg[i].pp); |
1071 | free(pp->arg[i].push_refs); |
c36e914d |
1072 | } |
3ebea2cf |
1073 | if (pp->ret_type.name != NULL) |
1074 | free(pp->ret_type.name); |
bd96f656 |
1075 | free(pp); |
865f1aca |
1076 | |
1077 | (void)proto_lookup_struct; |
c36e914d |
1078 | } |