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