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