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