1 /* Test passing of arguments to functions. Use various sorts of arguments, 2 including basic types, pointers to those types, structures, lots of 3 args, etc, in various combinations. */ 4 5 /* AIX requires this to be the first thing in the file. */ 6 #ifdef __GNUC__ 7 # define alloca __builtin_alloca 8 # define HAVE_STACK_ALLOCA 1 9 #else /* not __GNUC__ */ 10 # ifdef _AIX 11 #pragma alloca 12 # define HAVE_STACK_ALLOCA 1 13 # else /* Not AIX */ 14 # ifdef sparc 15 # include <alloca.h> 16 # define HAVE_STACK_ALLOCA 1 17 # ifdef __STDC__ 18 void *alloca (); 19 # else 20 char *alloca (); 21 # endif /* __STDC__ */ 22 # endif /* sparc */ 23 # endif /* Not AIX */ 24 #endif /* not __GNUC__ */ 25 26 char c = 'a'; 27 char *cp = &c; 28 29 unsigned char uc = 'b'; 30 unsigned char *ucp = &uc; 31 32 short s = 1; 33 short *sp = &s; 34 35 unsigned short us = 6; 36 unsigned short *usp = &us; 37 38 int i = 2; 39 int *ip = &i; 40 41 unsigned int ui = 7; 42 unsigned int *uip = &ui; 43 44 long l = 3; 45 long *lp = &l; 46 47 unsigned long ul = 8; 48 unsigned long *ulp = &ul; 49 50 float f = 4.0; 51 float *fp = &f; 52 53 double d = 5.0; 54 double *dp = &d; 55 56 struct stag { 57 int s1; 58 int s2; 59 } st = { 101, 102 }; 60 struct stag *stp = &st; 61 62 union utag { 63 int u1; 64 long u2; 65 } un; 66 union utag *unp = &un; 67 68 char carray[] = {'a', 'n', ' ', 'a', 'r', 'r', 'a', 'y', '\0'}; 69 70 71 /* Test various permutations and interleaving of integral arguments */ 72 73 74 #ifdef PROTOTYPES 75 void call0a (char c, short s, int i, long l) 76 #else 77 call0a (c, s, i, l) 78 char c; short s; int i; long l; 79 #endif 80 { 81 c = 'a'; 82 s = 5; 83 i = 6; 84 l = 7; 85 } 86 87 #ifdef PROTOTYPES 88 void call0b (short s, int i, long l, char c) 89 #else 90 call0b (s, i, l, c) 91 short s; int i; long l; char c; 92 #endif 93 { 94 s = 6; i = 7; l = 8; c = 'j'; 95 } 96 97 #ifdef PROTOTYPES 98 void call0c (int i, long l, char c, short s) 99 #else 100 call0c (i, l, c, s) 101 int i; long l; char c; short s; 102 #endif 103 { 104 i = 3; l = 4; c = 'k'; s = 5; 105 } 106 107 #ifdef PROTOTYPES 108 void call0d (long l, char c, short s, int i) 109 #else 110 call0d (l, c, s, i) 111 long l; char c; short s; int i; 112 #endif 113 { 114 l = 7; c = 'z'; s = 8; i = 9; 115 } 116 117 #ifdef PROTOTYPES 118 void call0e (char c1, long l, char c2, int i, char c3, short s, char c4, char c5) 119 #else 120 call0e (c1, l, c2, i, c3, s, c4, c5) 121 char c1; long l; char c2; int i; char c3; short s; char c4; char c5; 122 #endif 123 { 124 c1 = 'a'; l = 5; c2 = 'b'; i = 7; c3 = 'c'; s = 7; c4 = 'f'; c5 = 'g'; 125 } 126 127 128 /* Test various permutations and interleaving of unsigned integral arguments */ 129 130 131 #ifdef PROTOTYPES 132 void call1a (unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) 133 #else 134 call1a (uc, us, ui, ul) 135 unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; 136 #endif 137 { 138 uc = 5; us = 6; ui = 7; ul = 8; 139 } 140 141 #ifdef PROTOTYPES 142 void call1b (unsigned short us, unsigned int ui, unsigned long ul, unsigned char uc) 143 #else 144 call1b (us, ui, ul, uc) 145 unsigned short us; unsigned int ui; unsigned long ul; unsigned char uc; 146 #endif 147 { 148 uc = 5; us = 6; ui = 7; ul = 8; 149 } 150 151 #ifdef PROTOTYPES 152 void call1c (unsigned int ui, unsigned long ul, unsigned char uc, unsigned short us) 153 #else 154 call1c (ui, ul, uc, us) 155 unsigned int ui; unsigned long ul; unsigned char uc; unsigned short us; 156 #endif 157 { 158 uc = 5; us = 6; ui = 7; ul = 8; 159 } 160 161 #ifdef PROTOTYPES 162 void call1d (unsigned long ul, unsigned char uc, unsigned short us, unsigned int ui) 163 #else 164 call1d (ul, uc, us, ui) 165 unsigned long ul; unsigned char uc; unsigned short us; unsigned int ui; 166 #endif 167 { 168 uc = 5; us = 6; ui = 7; ul = 8; 169 } 170 171 #ifdef PROTOTYPES 172 void call1e (unsigned char uc1, unsigned long ul, unsigned char uc2, unsigned int ui, unsigned char uc3, unsigned short us, unsigned char uc4, unsigned char uc5) 173 #else 174 call1e (uc1, ul, uc2, ui, uc3, us, uc4, uc5) 175 unsigned char uc1; unsigned long ul; unsigned char uc2; unsigned int ui; 176 unsigned char uc3; unsigned short us; unsigned char uc4; unsigned char uc5; 177 #endif 178 { 179 uc1 = 5; ul = 7; uc2 = 8; ui = 9; uc3 = 10; us = 11; uc4 = 12; uc5 = 55; 180 } 181 182 /* Test various permutations and interleaving of integral arguments with 183 floating point arguments. */ 184 185 186 #ifdef PROTOTYPES 187 void call2a (char c, float f1, short s, double d1, int i, float f2, long l, double d2) 188 #else 189 call2a (c, f1, s, d1, i, f2, l, d2) 190 char c; float f1; short s; double d1; int i; float f2; long l; double d2; 191 #endif 192 { 193 c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; 194 } 195 196 #ifdef PROTOTYPES 197 void call2b (float f1, short s, double d1, int i, float f2, long l, double d2, char c) 198 #else 199 call2b (f1, s, d1, i, f2, l, d2, c) 200 float f1; short s; double d1; int i; float f2; long l; double d2; char c; 201 #endif 202 { 203 c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; 204 } 205 206 #ifdef PROTOTYPES 207 void call2c (short s, double d1, int i, float f2, long l, double d2, char c, float f1) 208 #else 209 call2c (s, d1, i, f2, l, d2, c, f1) 210 short s; double d1; int i; float f2; long l; double d2; char c; float f1; 211 #endif 212 { 213 c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; 214 } 215 216 #ifdef PROTOTYPES 217 void call2d (double d1, int i, float f2, long l, double d2, char c, float f1, short s) 218 #else 219 call2d (d1, i, f2, l, d2, c, f1, s) 220 double d1; int i; float f2; long l; double d2; char c; float f1; short s; 221 #endif 222 { 223 c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; 224 } 225 226 #ifdef PROTOTYPES 227 void call2e (int i, float f2, long l, double d2, char c, float f1, short s, double d1) 228 #else 229 call2e (i, f2, l, d2, c, f1, s, d1) 230 int i; float f2; long l; double d2; char c; float f1; short s; double d1; 231 #endif 232 { 233 c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; 234 } 235 236 #ifdef PROTOTYPES 237 void call2f (float f2, long l, double d2, char c, float f1, short s, double d1, int i) 238 #else 239 call2f (f2, l, d2, c, f1, s, d1, i) 240 float f2; long l; double d2; char c; float f1; short s; double d1; int i; 241 #endif 242 { 243 c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; 244 } 245 246 #ifdef PROTOTYPES 247 void call2g (long l, double d2, char c, float f1, short s, double d1, int i, float f2) 248 #else 249 call2g (l, d2, c, f1, s, d1, i, f2) 250 long l; double d2; char c; float f1; short s; double d1; int i; float f2; 251 #endif 252 { 253 c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; 254 } 255 256 #ifdef PROTOTYPES 257 void call2h (double d2, char c, float f1, short s, double d1, int i, float f2, long l) 258 #else 259 call2h (d2, c, f1, s, d1, i, f2, l) 260 double d2; char c; float f1; short s; double d1; int i; float f2; long l; 261 #endif 262 { 263 c = 'a'; f1 = 0.0; s = 5; d1 = 0.0; i = 6; f2 = 0.1; l = 7; d2 = 0.2; 264 } 265 266 #ifdef PROTOTYPES 267 void call2i (char c1, float f1, char c2, char c3, double d1, char c4, char c5, char c6, float f2, short s, char c7, double d2) 268 #else 269 call2i (c1, f1, c2, c3, d1, c4, c5, c6, f2, s, c7, d2) 270 char c1; float f1; char c2; char c3; double d1; char c4; char c5; char c6; 271 float f2; short s; char c7; double d2; 272 #endif 273 { 274 c1 = 'a'; f1 = 0.0; c2 = 5; d1 = 0.0; c3 = 6; f2 = 0.1; c4 = 7; d2 = 0.2; 275 c5 = 's'; c6 = 'f'; c7 = 'z'; s = 77; 276 } 277 278 279 /* Test pointers to various integral and floating types. */ 280 281 282 #ifdef PROTOTYPES 283 void call3a (char *cp, short *sp, int *ip, long *lp) 284 #else 285 call3a (cp, sp, ip, lp) 286 char *cp; short *sp; int *ip; long *lp; 287 #endif 288 { 289 cp = 0; sp = 0; ip = 0; lp = 0; 290 } 291 292 #ifdef PROTOTYPES 293 void call3b (unsigned char *ucp, unsigned short *usp, unsigned int *uip, unsigned long *ulp) 294 #else 295 call3b (ucp, usp, uip, ulp) 296 unsigned char *ucp; unsigned short *usp; unsigned int *uip; 297 unsigned long *ulp; 298 #endif 299 { 300 ucp = 0; usp = 0; uip = 0; ulp = 0; 301 } 302 303 #ifdef PROTOTYPES 304 void call3c (float *fp, double *dp) 305 #else 306 call3c (fp, dp) 307 float *fp; double *dp; 308 #endif 309 { 310 fp = 0; dp = 0; 311 } 312 313 314 /* Test passing structures and unions by reference. */ 315 316 317 #ifdef PROTOTYPES 318 void call4a (struct stag *stp) 319 #else 320 call4a (stp) 321 struct stag *stp; 322 #endif 323 {stp = 0;} 324 325 #ifdef PROTOTYPES 326 void call4b (union utag *unp) 327 #else 328 call4b (unp) 329 union utag *unp; 330 #endif 331 { 332 unp = 0; 333 } 334 335 336 /* Test passing structures and unions by value. */ 337 338 339 #ifdef PROTOTYPES 340 void call5a (struct stag st) 341 #else 342 call5a (st) 343 struct stag st; 344 #endif 345 {st.s1 = 5;} 346 347 #ifdef PROTOTYPES 348 void call5b (union utag un) 349 #else 350 call5b (un) 351 union utag un; 352 #endif 353 {un.u1 = 7;} 354 355 356 /* Test shuffling of args */ 357 358 359 void call6k () 360 { 361 } 362 363 #ifdef PROTOTYPES 364 void call6j (unsigned long ul) 365 #else 366 call6j (ul) 367 unsigned long ul; 368 #endif 369 { 370 ul = ul; 371 call6k (); 372 } 373 374 #ifdef PROTOTYPES 375 void call6i (unsigned int ui, unsigned long ul) 376 #else 377 call6i (ui, ul) 378 unsigned int ui; unsigned long ul; 379 #endif 380 { 381 ui = ui; 382 call6j (ul); 383 } 384 385 #ifdef PROTOTYPES 386 void call6h (unsigned short us, unsigned int ui, unsigned long ul) 387 #else 388 call6h (us, ui, ul) 389 unsigned short us; unsigned int ui; unsigned long ul; 390 #endif 391 { 392 us = us; 393 call6i (ui, ul); 394 } 395 396 #ifdef PROTOTYPES 397 void call6g (unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) 398 #else 399 call6g (uc, us, ui, ul) 400 unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; 401 #endif 402 { 403 uc = uc; 404 call6h (us, ui, ul); 405 } 406 407 #ifdef PROTOTYPES 408 void call6f (double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) 409 #else 410 call6f (d, uc, us, ui, ul) 411 double d; 412 unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; 413 #endif 414 { 415 d = d; 416 call6g (uc, us, ui, ul); 417 } 418 419 #ifdef PROTOTYPES 420 void call6e (float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) 421 #else 422 call6e (f, d, uc, us, ui, ul) 423 float f; double d; 424 unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; 425 #endif 426 { 427 f = f; 428 call6f (d, uc, us, ui, ul); 429 } 430 431 #ifdef PROTOTYPES 432 void call6d (long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) 433 #else 434 call6d (l, f, d, uc, us, ui, ul) 435 long l; float f; double d; 436 unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; 437 #endif 438 { 439 l = l; 440 call6e (f, d, uc, us, ui, ul); 441 } 442 443 #ifdef PROTOTYPES 444 void call6c (int i, long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) 445 #else 446 call6c (i, l, f, d, uc, us, ui, ul) 447 int i; long l; float f; double d; 448 unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; 449 #endif 450 { 451 i = i; 452 call6d (l, f, d, uc, us, ui, ul); 453 } 454 455 #ifdef PROTOTYPES 456 void call6b (short s, int i, long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) 457 #else 458 call6b (s, i, l, f, d, uc, us, ui, ul) 459 short s; int i; long l; float f; double d; 460 unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; 461 #endif 462 { 463 s = s; 464 call6c (i, l, f, d, uc, us, ui, ul); 465 } 466 467 #ifdef PROTOTYPES 468 void call6a (char c, short s, int i, long l, float f, double d, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) 469 #else 470 call6a (c, s, i, l, f, d, uc, us, ui, ul) 471 char c; short s; int i; long l; float f; double d; 472 unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; 473 #endif 474 { 475 c = c; 476 call6b (s, i, l, f, d, uc, us, ui, ul); 477 } 478 479 /* Test shuffling of args, round robin */ 480 481 482 #ifdef PROTOTYPES 483 void call7k (char c, int i, short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui) 484 #else 485 call7k (c, i, s, l, f, uc, d, us, ul, ui) 486 char c; int i; short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; 487 #endif 488 { 489 c = 'a'; i = 7; s = 8; l = 7; f = 0.3; uc = 44; d = 0.44; us = 77; 490 ul = 43; ui = 33; 491 } 492 493 #ifdef PROTOTYPES 494 void call7j (unsigned int ui, char c, int i, short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul) 495 #else 496 call7j (ui, c, i, s, l, f, uc, d, us, ul) 497 unsigned int ui; char c; int i; short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; 498 #endif 499 { 500 call7k (c, i, s, l, f, uc, d, us, ul, ui); 501 } 502 503 #ifdef PROTOTYPES 504 void call7i (unsigned long ul, unsigned int ui, char c, int i, short s, long l, float f, unsigned char uc, double d, unsigned short us) 505 #else 506 call7i (ul, ui, c, i, s, l, f, uc, d, us) 507 unsigned long ul; unsigned int ui; char c; int i; short s; long l; float f; unsigned char uc; double d; unsigned short us; 508 #endif 509 { 510 call7j (ui, c, i, s, l, f, uc, d, us, ul); 511 } 512 513 #ifdef PROTOTYPES 514 void call7h (unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s, long l, float f, unsigned char uc, double d) 515 #else 516 call7h (us, ul, ui, c, i, s, l, f, uc, d) 517 unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s; long l; float f; unsigned char uc; double d; 518 #endif 519 { 520 call7i (ul, ui, c, i, s, l, f, uc, d, us); 521 } 522 523 #ifdef PROTOTYPES 524 void call7g (double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s, long l, float f, unsigned char uc) 525 #else 526 call7g (d, us, ul, ui, c, i, s, l, f, uc) 527 double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s; long l; float f; unsigned char uc; 528 #endif 529 { 530 call7h (us, ul, ui, c, i, s, l, f, uc, d); 531 } 532 533 #ifdef PROTOTYPES 534 void call7f (unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s, long l, float f) 535 #else 536 call7f (uc, d, us, ul, ui, c, i, s, l, f) 537 unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s; long l; float f; 538 #endif 539 { 540 call7g (d, us, ul, ui, c, i, s, l, f, uc); 541 } 542 543 #ifdef PROTOTYPES 544 void call7e (float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s, long l) 545 #else 546 call7e (f, uc, d, us, ul, ui, c, i, s, l) 547 float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s; long l; 548 #endif 549 { 550 call7f (uc, d, us, ul, ui, c, i, s, l, f); 551 } 552 553 #ifdef PROTOTYPES 554 void call7d (long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i, short s) 555 #else 556 call7d (l, f, uc, d, us, ul, ui, c, i, s) 557 long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i; short s; 558 #endif 559 { 560 call7e (f, uc, d, us, ul, ui, c, i, s, l); 561 } 562 563 #ifdef PROTOTYPES 564 void call7c (short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c, int i) 565 #else 566 call7c (s, l, f, uc, d, us, ul, ui, c, i) 567 short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c; int i; 568 #endif 569 { 570 call7d (l, f, uc, d, us, ul, ui, c, i, s); 571 } 572 573 #ifdef PROTOTYPES 574 void call7b (int i, short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui, char c) 575 #else 576 call7b (i, s, l, f, uc, d, us, ul, ui, c) 577 int i; short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; char c; 578 #endif 579 { 580 call7c (s, l, f, uc, d, us, ul, ui, c, i); 581 } 582 583 #ifdef PROTOTYPES 584 void call7a (char c, int i, short s, long l, float f, unsigned char uc, double d, unsigned short us, unsigned long ul, unsigned int ui) 585 #else 586 call7a (c, i, s, l, f, uc, d, us, ul, ui) 587 char c; int i; short s; long l; float f; unsigned char uc; double d; unsigned short us; unsigned long ul; unsigned int ui; 588 #endif 589 { 590 call7b (i, s, l, f, uc, d, us, ul, ui, c); 591 } 592 593 594 /* Test printing of structures passed as arguments to recursive functions. */ 595 596 597 typedef struct s 598 { 599 short s; 600 int i; 601 long l; 602 } SVAL; 603 604 void hitbottom () 605 { 606 } 607 608 #ifdef PROTOTYPES 609 void recurse (SVAL a, int depth) 610 #else 611 void recurse (a, depth) 612 SVAL a; 613 int depth; 614 #endif 615 { 616 a.s = a.i = a.l = --depth; 617 if (depth == 0) 618 hitbottom (); 619 else 620 recurse (a, depth); 621 } 622 623 void test_struct_args () 624 { 625 SVAL s; s.s = 5; s.i = 5; s.l = 5; 626 627 recurse (s, 5); 628 } 629 630 /* On various machines (pa, 29k, and rs/6000, at least), a function which 631 calls alloca may do things differently with respect to frames. So give 632 it a try. */ 633 634 #ifdef PROTOTYPES 635 void localvars_after_alloca (char c, short s, int i, long l) 636 #else 637 void 638 localvars_after_alloca (c, s, i, l) 639 char c; 640 short s; 641 int i; 642 long l; 643 #endif 644 { 645 #ifdef HAVE_STACK_ALLOCA 646 /* No need to use the alloca.c alloca-on-top-of-malloc; it doesn't 647 test what we are looking for, so if we don't have an alloca which 648 allocates on the stack, just don't bother to call alloca at all. */ 649 650 char *z = alloca (s + 50); 651 #endif 652 c = 'a'; 653 s = 5; 654 i = 6; 655 l = 7; 656 } 657 658 #ifdef PROTOTYPES 659 void call_after_alloca_subr (char c, short s, int i, long l, unsigned char uc, unsigned short us, unsigned int ui, unsigned long ul) 660 #else 661 void 662 call_after_alloca_subr (c, s, i, l, uc, us, ui, ul) 663 char c; int i; short s; long l; unsigned char uc; unsigned short us; unsigned long ul; unsigned int ui; 664 #endif 665 { 666 c = 'a'; 667 i = 7; s = 8; l = 7; uc = 44; us = 77; 668 ul = 43; ui = 33; 669 } 670 671 #ifdef PROTOTYPES 672 void call_after_alloca (char c, short s, int i, long l) 673 #else 674 void 675 call_after_alloca (c, s, i, l) 676 char c; 677 short s; 678 int i; 679 long l; 680 #endif 681 { 682 #ifdef HAVE_STACK_ALLOCA 683 /* No need to use the alloca.c alloca-on-top-of-malloc; it doesn't 684 test what we are looking for, so if we don't have an alloca which 685 allocates on the stack, just don't bother to call alloca at all. */ 686 687 char *z = alloca (s + 50); 688 #endif 689 call_after_alloca_subr (c, s, i, l, 'b', 11, 12, (unsigned long)13); 690 } 691 692 693 694 /* The point behind this test is the PA will call this indirectly 695 through dyncall. Unlike the indirect calls to call0a, this test 696 will require a trampoline between dyncall and this function on the 697 call path, then another trampoline on between this function and main 698 on the return path. */ 699 #ifdef PROTOTYPES 700 double call_with_trampolines (double d1) 701 #else 702 double 703 call_with_trampolines (d1) 704 double d1; 705 #endif 706 { 707 return d1; 708 } /* End of call_with_trampolines, this comment is needed by funcargs.exp */ 709 710 /* Dummy functions which the testsuite can use to run to, etc. */ 711 712 void 713 marker_indirect_call () {} 714 715 void 716 marker_call_with_trampolines () {} 717 718 int main () 719 { 720 void (*pointer_to_call0a) (char, short, int, long) = (void (*)(char, short, int, long))call0a; 721 double (*pointer_to_call_with_trampolines) (double) = call_with_trampolines; 722 723 #ifdef usestubs 724 set_debug_traps(); 725 breakpoint(); 726 #endif 727 /* Test calling with basic integer types */ 728 call0a (c, s, i, l); 729 call0b (s, i, l, c); 730 call0c (i, l, c, s); 731 call0d (l, c, s, i); 732 call0e (c, l, c, i, c, s, c, c); 733 734 /* Test calling with unsigned integer types */ 735 call1a (uc, us, ui, ul); 736 call1b (us, ui, ul, uc); 737 call1c (ui, ul, uc, us); 738 call1d (ul, uc, us, ui); 739 call1e (uc, ul, uc, ui, uc, us, uc, uc); 740 741 /* Test calling with integral types mixed with floating point types */ 742 call2a (c, f, s, d, i, f, l, d); 743 call2b (f, s, d, i, f, l, d, c); 744 call2c (s, d, i, f, l, d, c, f); 745 call2d (d, i, f, l, d, c, f, s); 746 call2e (i, f, l, d, c, f, s, d); 747 call2f (f, l, d, c, f, s, d, i); 748 call2g (l, d, c, f, s, d, i, f); 749 call2h (d, c, f, s, d, i, f, l); 750 call2i (c, f, c, c, d, c, c, c, f, s, c, d); 751 752 /* Test dereferencing pointers to various integral and floating types */ 753 754 call3a (cp, sp, ip, lp); 755 call3b (ucp, usp, uip, ulp); 756 call3c (fp, dp); 757 758 /* Test dereferencing pointers to structs and unions */ 759 760 call4a (stp); 761 un.u1 = 1; 762 call4b (unp); 763 764 /* Test calling with structures and unions. */ 765 766 call5a (st); 767 un.u1 = 2; 768 call5b (un); 769 770 /* Test shuffling of args */ 771 772 call6a (c, s, i, l, f, d, uc, us, ui, ul); 773 call7a (c, i, s, l, f, uc, d, us, ul, ui); 774 775 /* Test passing structures recursively. */ 776 777 test_struct_args (); 778 779 localvars_after_alloca (c, s, i, l); 780 781 call_after_alloca (c, s, i, l); 782 783 /* This is for localvars_in_indirect_call. */ 784 marker_indirect_call (); 785 /* The comment on the following two lines is used by funcargs.exp, 786 don't change it. */ 787 (*pointer_to_call0a) (c, s, i, l); /* First step into call0a. */ 788 (*pointer_to_call0a) (c, s, i, l); /* Second step into call0a. */ 789 marker_call_with_trampolines (); 790 (*pointer_to_call_with_trampolines) (d); /* Test multiple trampolines. */ 791 return 0; 792 } 793