tcctest.c

   1 /*
   2  * TCC auto test program
   3  */
   4
   5 /* Unfortunately, gcc version < 3 does not handle that! */
   6 //#define ALL_ISOC99
   7
   8 /* only gcc 3 handles _Bool correctly */
   9 //#define BOOL_ISOC99
  10
  11 #define C99_MACROS
  12
  13 /* test various include syntaxes */
  14
  15 #define TCCLIB_INC <tcclib.h>
  16 #define TCCLIB_INC1 <tcclib
  17 #define TCCLIB_INC2 h>
  18 #define TCCLIB_INC3 "tcclib"
  19
  20 #include TCCLIB_INC
  21
  22 #include TCCLIB_INC1.TCCLIB_INC2
  23
  24 #include TCCLIB_INC1.h>
  25
  26 #include TCCLIB_INC3 ".h"
  27
  28 #include <tcclib.h>
  29
  30 #include "tcclib.h"
  31
  32 void string_test();
  33 void expr_test();
  34 void macro_test();
  35 void scope_test();
  36 void forward_test();
  37 void funcptr_test();
  38 void loop_test();
  39 void switch_test();
  40 void goto_test();
  41 void enum_test();
  42 void typedef_test();
  43 void struct_test();
  44 void array_test();
  45 void expr_ptr_test();
  46 void bool_test();
  47 void expr2_test();
  48 void constant_expr_test();
  49 void expr_cmp_test();
  50 void char_short_test();
  51 void init_test(void);
  52 void compound_literal_test(void);
  53 int kr_test();
  54 void struct_assign_test(void);
  55 void cast_test(void);
  56 void bitfield_test(void);
  57 void c99_bool_test(void);
  58 void float_test(void);
  59 void longlong_test(void);
  60 void stdarg_test(void);
  61 void whitespace_test(void);
  62 void relocation_test(void);
  63
  64 int fib(int n);
  65 void num(int n);
  66 void forward_ref(void);
  67 int isid(int c);
  68
  69 #define A 2
  70 #define N 1234 + A
  71 #define pf printf
  72 #define M1(a, b)  (a) + (b)
  73
  74 #define str(s) # s
  75 #define glue(a, b) a ## b
  76 #define xglue(a, b) glue(a, b)
  77 #define HIGHLOW "hello"
  78 #define LOW LOW ", world"
  79
  80 #define min(a, b) ((a) < (b) ? (a) : (b))
  81
  82 #ifdef C99_MACROS
  83 #define dprintf(level,...) printf(__VA_ARGS__)
  84 #endif
  85
  86 /* gcc vararg macros */
  87 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
  88
  89 #define MACRO_NOARGS()
  90
  91 #define AAA 3
  92 #undef AAA
  93 #define AAA 4
  94
  95 #if 1
  96 #define B3 1
  97 #elif 1
  98 #define B3 2
  99 #elif 0
 100 #define B3 3
 101 #else
 102 #define B3 4
 103 #endif
 104
 105 #define __INT64_C(c)    c ## LL
 106 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 107
 108 void macro_test(void)
 109 {
 110     printf("macro:\n");\f\v
 111     pf("N=%d\n", N);
 112     printf("aaa=%d\n", AAA);
 113
 114     printf("min=%d\n", min(1, min(2, -1)));
 115
 116     printf("s1=%s\n", glue(HIGH, LOW));
 117     printf("s2=%s\n", xglue(HIGH, LOW));
 118     printf("s3=%s\n", str("c"));
 119     printf("s4=%s\n", str(a1));
 120     printf("B3=%d\n", B3);
 121
 122 #ifdef A
 123     printf("A defined\n");
 124 #endif
 125 #ifdef B
 126     printf("B defined\n");
 127 #endif
 128 #ifdef A
 129     printf("A defined\n");
 130 #else
 131     printf("A not defined\n");
 132 #endif
 133 #ifdef B
 134     printf("B defined\n");
 135 #else
 136     printf("B not defined\n");
 137 #endif
 138
 139 #ifdef A
 140     printf("A defined\n");
 141 #ifdef B
 142     printf("B1 defined\n");
 143 #else
 144     printf("B1 not defined\n");
 145 #endif
 146 #else
 147     printf("A not defined\n");
 148 #ifdef B
 149     printf("B2 defined\n");
 150 #else
 151     printf("B2 not defined\n");
 152 #endif
 153 #endif
 154
 155 #if 1+1
 156     printf("test true1\n");
 157 #endif
 158 #if 0
 159     printf("test true2\n");
 160 #endif
 161 #if 1-1
 162     printf("test true3\n");
 163 #endif
 164 #if defined(A)
 165     printf("test trueA\n");
 166 #endif
 167 #if defined(B)
 168     printf("test trueB\n");
 169 #endif
 170
 171 #if 0
 172     printf("test 0\n");
 173 #elif 0
 174     printf("test 1\n");
 175 #elif 2
 176     printf("test 2\n");
 177 #else
 178     printf("test 3\n");
 179 #endif
 180
 181     MACRO_NOARGS();
 182
 183 #ifdef __LINE__
 184     printf("__LINE__ defined\n");
 185 #endif
 186
 187     printf("__LINE__=%d __FILE__=%s\n",
 188            __LINE__, __FILE__);
 189 #line 200
 190     printf("__LINE__=%d __FILE__=%s\n",
 191            __LINE__, __FILE__);
 192 #line 203 "test"
 193     printf("__LINE__=%d __FILE__=%s\n",
 194            __LINE__, __FILE__);
 195 #line 195 "tcctest.c"
 196
 197     /* not strictly preprocessor, but we test it there */
 198 #ifdef C99_MACROS
 199     printf("__func__ = %s\n", __func__);
 200     dprintf(1, "vaarg=%d\n", 1);
 201 #endif
 202     dprintf1(1, "vaarg1\n");
 203     dprintf1(1, "vaarg1=%d\n", 2);
 204     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 205
 206     /* gcc extension */
 207     printf("func='%s'\n", __FUNCTION__);
 208
 209     /* complicated macros in glibc */
 210     printf("INT64_MIN=%Ld\n", INT64_MIN);
 211 }
 212
 213 int op(a,b)
 214 {
 215     return a / b;
 216 }
 217
 218 int ret(a)
 219 {
 220     if (a == 2)
 221         return 1;
 222     if (a == 3)
 223         return 2;
 224     return 0;
 225 }
 226
 227 void ps(char *s)
 228 {
 229     int c;
 230     while (1) {
 231         c = *s;
 232         if (c == 0)
 233             break;
 234         printf("%c", c);
 235         s++;
 236     }
 237 }
 238
 239 void string_test()
 240 {
 241     int b;
 242     printf("string:\n");
 243     printf("\141\1423\143\n");/* dezdez test */
 244     printf("\x41\x42\x43\x3a\n");
 245     printf("c=%c\n", 'r');
 246     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 247     printf("wstring=%S\n", L"abc");
 248     printf("wstring=%S\n", L"abc" L"def" "ghi");
 249     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 250     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 251     ps("test\n");
 252     b = 32;
 253     while ((b = b + 1) < 96) {
 254         printf("%c", b);
 255     }
 256     printf("\n");
 257     printf("fib=%d\n", fib(33));
 258     b = 262144;
 259     while (b != 0x80000000) {
 260         num(b);
 261         b = b * 2;
 262     }
 263 }
 264
 265 void loop_test()
 266 {
 267     int i;
 268     i = 0;
 269     while (i < 10)
 270         printf("%d", i++);
 271     printf("\n");
 272     for(i = 0; i < 10;i++)
 273         printf("%d", i);
 274     printf("\n");
 275     i = 0;
 276     do {
 277         printf("%d", i++);
 278     } while (i < 10);
 279     printf("\n");
 280
 281     /* break/continue tests */
 282     i = 0;
 283     while (1) {
 284         if (i == 6)
 285             break;
 286         i++;
 287         if (i == 3)
 288             continue;
 289         printf("%d", i);
 290     }
 291     printf("\n");
 292
 293     /* break/continue tests */
 294     i = 0;
 295     do {
 296         if (i == 6)
 297             break;
 298         i++;
 299         if (i == 3)
 300             continue;
 301         printf("%d", i);
 302     } while(1);
 303     printf("\n");
 304
 305     for(i = 0;i < 10;i++) {
 306         if (i == 3)
 307             continue;
 308         printf("%d", i);
 309     }
 310     printf("\n");
 311 }
 312
 313
 314 void goto_test()
 315 {
 316     int i;
 317
 318     printf("goto:\n");
 319     i = 0;
 320  s_loop:
 321     if (i >= 10)
 322         goto s_end;
 323     printf("%d", i);
 324     i++;
 325     goto s_loop;
 326  s_end:
 327     printf("\n");
 328 }
 329
 330 enum {
 331     E0,
 332     E1 = 2,
 333     E2 = 4,
 334     E3,
 335     E4,
 336 };
 337
 338 enum test {
 339     E5 = 1000,
 340 };
 341
 342 void enum_test()
 343 {
 344     enum test b1;
 345     printf("enum:\n%d %d %d %d %d %d\n",
 346            E0, E1, E2, E3, E4, E5);
 347     b1 = 1;
 348     printf("b1=%d\n", b1);
 349 }
 350
 351 typedef int *my_ptr;
 352
 353 void typedef_test()
 354 {
 355     my_ptr a;
 356     int b;
 357     a = &b;
 358     *a = 1234;
 359     printf("typedef:\n");
 360     printf("a=%d\n", *a);
 361 }
 362
 363 void forward_test()
 364 {
 365     printf("forward:\n");
 366     forward_ref();
 367     forward_ref();
 368 }
 369
 370
 371 void forward_ref(void)
 372 {
 373     printf("forward ok\n");
 374 }
 375
 376 typedef struct struct1 {
 377     int f1;
 378     int f2, f3;
 379     union union1 {
 380         int v1;
 381         int v2;
 382     } u;
 383     char str[3];
 384 } struct1;
 385
 386 struct struct2 {
 387     int a;
 388     char b;
 389 };
 390
 391 union union2 {
 392     int w1;
 393     int w2;
 394 };
 395
 396 struct struct1 st1, st2;
 397
 398 int main(int argc, char **argv)
 399 {
 400     string_test();
 401     expr_test();
 402     macro_test();
 403     scope_test();
 404     forward_test();
 405     funcptr_test();
 406     loop_test();
 407     switch_test();
 408     goto_test();
 409     enum_test();
 410     typedef_test();
 411     struct_test();
 412     array_test();
 413     expr_ptr_test();
 414     bool_test();
 415     expr2_test();
 416     constant_expr_test();
 417     expr_cmp_test();
 418     char_short_test();
 419     init_test();
 420     compound_literal_test();
 421     kr_test();
 422     struct_assign_test();
 423     cast_test();
 424     bitfield_test();
 425     c99_bool_test();
 426     float_test();
 427     longlong_test();
 428     stdarg_test();
 429     whitespace_test();
 430     relocation_test();
 431     return 0;
 432 }
 433
 434 int tab[3];
 435 int tab2[3][2];
 436
 437 int g;
 438
 439 void f1(g)
 440 {
 441     printf("g1=%d\n", g);
 442 }
 443
 444 void scope_test()
 445 {
 446     printf("scope:\n");
 447     g = 2;
 448     f1(1);
 449     printf("g2=%d\n", g);
 450     {
 451         int g;
 452         g = 3;
 453         printf("g3=%d\n", g);
 454         {
 455             int g;
 456             g = 4;
 457             printf("g4=%d\n", g);
 458         }
 459     }
 460     printf("g5=%d\n", g);
 461 }
 462
 463 void array_test(int a[4])
 464 {
 465     int i, j;
 466
 467     printf("array:\n");
 468     printf("sizeof(a) = %d\n", sizeof(a));
 469     printf("sizeof(int) = %d\n", sizeof(int));
 470     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
 471     printf("sizeof(short) = %d\n", sizeof(short));
 472     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
 473     printf("sizeof(char) = %d\n", sizeof(char));
 474     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
 475     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 476 #ifdef C99_MACROS
 477     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 478 #endif
 479     printf("sizeof tab %d\n", sizeof(tab));
 480     printf("sizeof tab2 %d\n", sizeof tab2);
 481     tab[0] = 1;
 482     tab[1] = 2;
 483     tab[2] = 3;
 484     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 485     for(i=0;i<3;i++)
 486         for(j=0;j<2;j++)
 487             tab2[i][j] = 10 * i + j;
 488     for(i=0;i<3*2;i++) {
 489         printf(" %3d", ((int *)tab2)[i]);
 490     }
 491     printf("\n");
 492 }
 493
 494 void expr_test()
 495 {
 496     int a, b;
 497     a = 0;
 498     printf("%d\n", a += 1);
 499     printf("%d\n", a -= 2);
 500     printf("%d\n", a *= 31232132);
 501     printf("%d\n", a /= 4);
 502     printf("%d\n", a %= 20);
 503     printf("%d\n", a &= 6);
 504     printf("%d\n", a ^= 7);
 505     printf("%d\n", a |= 8);
 506     printf("%d\n", a >>= 3);
 507     printf("%d\n", a <<= 4);
 508
 509     a = 22321;
 510     b = -22321;
 511     printf("%d\n", a + 1);
 512     printf("%d\n", a - 2);
 513     printf("%d\n", a * 312);
 514     printf("%d\n", a / 4);
 515     printf("%d\n", b / 4);
 516     printf("%d\n", (unsigned)b / 4);
 517     printf("%d\n", a % 20);
 518     printf("%d\n", b % 20);
 519     printf("%d\n", (unsigned)b % 20);
 520     printf("%d\n", a & 6);
 521     printf("%d\n", a ^ 7);
 522     printf("%d\n", a | 8);
 523     printf("%d\n", a >> 3);
 524     printf("%d\n", b >> 3);
 525     printf("%d\n", (unsigned)b >> 3);
 526     printf("%d\n", a << 4);
 527     printf("%d\n", ~a);
 528     printf("%d\n", -a);
 529     printf("%d\n", +a);
 530
 531     printf("%d\n", 12 + 1);
 532     printf("%d\n", 12 - 2);
 533     printf("%d\n", 12 * 312);
 534     printf("%d\n", 12 / 4);
 535     printf("%d\n", 12 % 20);
 536     printf("%d\n", 12 & 6);
 537     printf("%d\n", 12 ^ 7);
 538     printf("%d\n", 12 | 8);
 539     printf("%d\n", 12 >> 2);
 540     printf("%d\n", 12 << 4);
 541     printf("%d\n", ~12);
 542     printf("%d\n", -12);
 543     printf("%d\n", +12);
 544     printf("%d %d %d %d\n",
 545            isid('a'),
 546            isid('g'),
 547            isid('T'),
 548            isid('('));
 549 }
 550
 551 int isid(int c)
 552 {
 553     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 554 }
 555
 556 /**********************/
 557
 558 int vstack[10], *vstack_ptr;
 559
 560 void vpush(int vt, int vc)
 561 {
 562     *vstack_ptr++ = vt;
 563     *vstack_ptr++ = vc;
 564 }
 565
 566 void vpop(int *ft, int *fc)
 567 {
 568     *fc = *--vstack_ptr;
 569     *ft = *--vstack_ptr;
 570 }
 571
 572 void expr2_test()
 573 {
 574     int a, b;
 575
 576     printf("expr2:\n");
 577     vstack_ptr = vstack;
 578     vpush(1432432, 2);
 579     vstack_ptr[-2] &= ~0xffffff80;
 580     vpop(&a, &b);
 581     printf("res= %d %d\n", a, b);
 582 }
 583
 584 void constant_expr_test()
 585 {
 586     int a;
 587     printf("constant_expr:\n");
 588     a = 3;
 589     printf("%d\n", a * 16);
 590     printf("%d\n", a * 1);
 591     printf("%d\n", a + 0);
 592 }
 593
 594 int tab4[10];
 595
 596 void expr_ptr_test()
 597 {
 598     int *p, *q;
 599
 600     printf("expr_ptr:\n");
 601     p = tab4;
 602     q = tab4 + 10;
 603     printf("diff=%d\n", q - p);
 604     p++;
 605     printf("inc=%d\n", p - tab4);
 606     p--;
 607     printf("dec=%d\n", p - tab4);
 608     ++p;
 609     printf("inc=%d\n", p - tab4);
 610     --p;
 611     printf("dec=%d\n", p - tab4);
 612     printf("add=%d\n", p + 3 - tab4);
 613     printf("add=%d\n", 3 + p - tab4);
 614 }
 615
 616 void expr_cmp_test()
 617 {
 618     int a, b;
 619     printf("constant_expr:\n");
 620     a = -1;
 621     b = 1;
 622     printf("%d\n", a == a);
 623     printf("%d\n", a != a);
 624
 625     printf("%d\n", a < b);
 626     printf("%d\n", a <= b);
 627     printf("%d\n", a <= a);
 628     printf("%d\n", b >= a);
 629     printf("%d\n", a >= a);
 630     printf("%d\n", b > a);
 631
 632     printf("%d\n", (unsigned)a < b);
 633     printf("%d\n", (unsigned)a <= b);
 634     printf("%d\n", (unsigned)a <= a);
 635     printf("%d\n", (unsigned)b >= a);
 636     printf("%d\n", (unsigned)a >= a);
 637     printf("%d\n", (unsigned)b > a);
 638 }
 639
 640 void struct_test()
 641 {
 642     struct1 *s;
 643     union union2 u;
 644
 645     printf("struct:\n");
 646     printf("sizes: %d %d %d %d\n",
 647            sizeof(struct struct1),
 648            sizeof(struct struct2),
 649            sizeof(union union1),
 650            sizeof(union union2));
 651     st1.f1 = 1;
 652     st1.f2 = 2;
 653     st1.f3 = 3;
 654     printf("st1: %d %d %d\n",
 655            st1.f1, st1.f2, st1.f3);
 656     st1.u.v1 = 1;
 657     st1.u.v2 = 2;
 658     printf("union1: %d\n", st1.u.v1);
 659     u.w1 = 1;
 660     u.w2 = 2;
 661     printf("union2: %d\n", u.w1);
 662     s = &st2;
 663     s->f1 = 3;
 664     s->f2 = 2;
 665     s->f3 = 1;
 666     printf("st2: %d %d %d\n",
 667            s->f1, s->f2, s->f3);
 668     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 669 }
 670
 671 /* XXX: depend on endianness */
 672 void char_short_test()
 673 {
 674     int var1, var2;
 675
 676     printf("char_short:\n");
 677
 678     var1 = 0x01020304;
 679     var2 = 0xfffefdfc;
 680     printf("s8=%d %d\n",
 681            *(char *)&var1, *(char *)&var2);
 682     printf("u8=%d %d\n",
 683            *(unsigned char *)&var1, *(unsigned char *)&var2);
 684     printf("s16=%d %d\n",
 685            *(short *)&var1, *(short *)&var2);
 686     printf("u16=%d %d\n",
 687            *(unsigned short *)&var1, *(unsigned short *)&var2);
 688     printf("s32=%d %d\n",
 689            *(int *)&var1, *(int *)&var2);
 690     printf("u32=%d %d\n",
 691            *(unsigned int *)&var1, *(unsigned int *)&var2);
 692     *(char *)&var1 = 0x08;
 693     printf("var1=%x\n", var1);
 694     *(short *)&var1 = 0x0809;
 695     printf("var1=%x\n", var1);
 696     *(int *)&var1 = 0x08090a0b;
 697     printf("var1=%x\n", var1);
 698 }
 699
 700 /******************/
 701
 702 typedef struct Sym {
 703     int v;
 704     int t;
 705     int c;
 706     struct Sym *next;
 707     struct Sym *prev;
 708 } Sym;
 709
 710 void bool_test()
 711 {
 712     int *s, a, b, t, f;
 713
 714     a = 0;
 715     s = (void*)0;
 716     printf("!s=%d\n", !s);
 717
 718     if (!s || !s[0])
 719         a = 1;
 720     printf("a=%d\n", a);
 721
 722     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 723     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 724     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 725 #if 1 && 1
 726     printf("a1\n");
 727 #endif
 728 #if 1 || 0
 729     printf("a2\n");
 730 #endif
 731 #if 1 ? 0 : 1
 732     printf("a3\n");
 733 #endif
 734 #if 0 ? 0 : 1
 735     printf("a4\n");
 736 #endif
 737
 738     a = 4;
 739     printf("b=%d\n", a + (0 ? 1 : a / 2));
 740
 741     /* test register spilling */
 742     a = 10;
 743     b = 10;
 744     a = (a + b) * ((a < b) ?
 745                    ((b - a) * (a - b)): a + b);
 746     printf("a=%d\n", a);
 747
 748     /* test complex || or && expressions */
 749     t = 1;
 750     f = 0;
 751     a = 32;
 752     printf("exp=%d\n", f == (32 <= a && a <= 3));
 753     printf("r=%d\n", (t || f) + (t && f));
 754
 755     /* test ? : cast */
 756     {
 757         int aspect_on;
 758         int aspect_native = 65536;
 759         double bfu_aspect = 1.0;
 760         int aspect;
 761         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
 762             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
 763             printf("aspect=%d\n", aspect);
 764         }
 765     }
 766 }
 767
 768
 769 int cinit1 = 0;
 770 int *cinit2 = (int []){3, 2, 1};
 771
 772 void compound_literal_test(void)
 773 {
 774     int *p, i;
 775     char *q, *q3;
 776
 777     printf("compound_test:\n");
 778
 779     p = (int []){1, 2, 3};
 780     for(i=0;i<3;i++)
 781         printf(" %d", p[i]);
 782     printf("\n");
 783
 784     for(i=0;i<3;i++)
 785         printf("%d", cinit2[i]);
 786     printf("\n");
 787
 788     q = "tralala1";
 789     printf("q1=%s\n", q);
 790
 791     q = (char *){ "tralala2" };
 792     printf("q2=%s\n", q);
 793
 794     q3 = (char *){ q };
 795     printf("q3=%s\n", q3);
 796
 797     q = (char []){ "tralala3" };
 798     printf("q4=%s\n", q);
 799
 800 #ifdef ALL_ISOC99
 801     p = (int []){1, 2, cinit1 + 3};
 802     for(i=0;i<3;i++)
 803         printf(" %d", p[i]);
 804     printf("\n");
 805
 806     for(i=0;i<3;i++) {
 807         p = (int []){1, 2, 4 + i};
 808         printf("%d %d %d\n",
 809                p[0],
 810                p[1],
 811                p[2]);
 812     }
 813 #endif
 814 }
 815
 816 /* K & R protos */
 817
 818 kr_func1(a, b)
 819 {
 820     return a + b;
 821 }
 822
 823 int kr_func2(a, b)
 824 {
 825     return a + b;
 826 }
 827
 828 kr_test()
 829 {
 830     printf("kr_test:\n");
 831     printf("func1=%d\n", kr_func1(3, 4));
 832     printf("func2=%d\n", kr_func2(3, 4));
 833     return 0;
 834 }
 835
 836 void num(int n)
 837 {
 838     char *tab, *p;
 839     tab = (char*)malloc(20);
 840     p = tab;
 841     while (1) {
 842         *p = 48 + (n % 10);
 843         p++;
 844         n = n / 10;
 845         if (n == 0)
 846             break;
 847     }
 848     while (p != tab) {
 849         p--;
 850         printf("%c", *p);
 851     }
 852     printf("\n");
 853 }
 854
 855 /* structure assignment tests */
 856 struct structa1 {
 857     int f1;
 858     char f2;
 859 };
 860
 861 struct structa1 ssta1;
 862
 863 void struct_assign_test1(struct structa1 s1, int t)
 864 {
 865     printf("%d %d %d\n", s1.f1, s1.f2, t);
 866 }
 867
 868 struct structa1 struct_assign_test2(struct structa1 s1, int t)
 869 {
 870     s1.f1 += t;
 871     s1.f2 -= t;
 872     return s1;
 873 }
 874
 875 void struct_assign_test(void)
 876 {
 877     struct structa1 lsta1, lsta2;
 878
 879 #if 0
 880     printf("struct_assign_test:\n");
 881
 882     lsta1.f1 = 1;
 883     lsta1.f2 = 2;
 884     printf("%d %d\n", lsta1.f1, lsta1.f2);
 885     lsta2 = lsta1;
 886     printf("%d %d\n", lsta2.f1, lsta2.f2);
 887 #else
 888     lsta2.f1 = 1;
 889     lsta2.f2 = 2;
 890 #endif
 891     struct_assign_test1(lsta2, 3);
 892
 893     printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
 894     lsta2 = struct_assign_test2(lsta2, 4);
 895     printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
 896 }
 897
 898 /* casts to short/char */
 899
 900 void cast1(char a, short b, unsigned char c, unsigned short d)
 901 {
 902     printf("%d %d %d %d\n", a, b, c, d);
 903 }
 904
 905 char bcast;
 906 short scast;
 907
 908 void cast_test()
 909 {
 910     int a;
 911     char c;
 912     char tab[10];
 913
 914     printf("cast_test:\n");
 915     a = 0xfffff;
 916     cast1(a, a, a, a);
 917     a = 0xffffe;
 918     printf("%d %d %d %d\n",
 919            (char)(a + 1),
 920            (short)(a + 1),
 921            (unsigned char)(a + 1),
 922            (unsigned short)(a + 1));
 923     printf("%d %d %d %d\n",
 924            (char)0xfffff,
 925            (short)0xfffff,
 926            (unsigned char)0xfffff,
 927            (unsigned short)0xfffff);
 928
 929     a = (bcast = 128) + 1;
 930     printf("%d\n", a);
 931     a = (scast = 65536) + 1;
 932     printf("%d\n", a);
 933
 934     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
 935
 936     /* test implicit int casting for array accesses */
 937     c = 0;
 938     tab[1] = 2;
 939     tab[c] = 1;
 940     printf("%d %d\n", tab[0], tab[1]);
 941
 942     /* test implicit casting on some operators */
 943     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
 944     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
 945     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
 946 }
 947
 948 /* initializers tests */
 949 struct structinit1 {
 950     int f1;
 951     char f2;
 952     short f3;
 953     int farray[3];
 954 };
 955
 956 int sinit1 = 2;
 957 int sinit2 = { 3 };
 958 int sinit3[3] = { 1, 2, {{3}}, };
 959 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
 960 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
 961 int sinit6[] = { 1, 2, 3 };
 962 int sinit7[] = { [2] = 3, [0] = 1, 2 };
 963 char sinit8[] = "hello" "trala";
 964
 965 struct structinit1 sinit9 = { 1, 2, 3 };
 966 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
 967 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
 968 #ifdef ALL_ISOC99
 969                                .farray[0] = 10,
 970                                .farray[1] = 11,
 971                                .farray[2] = 12,
 972 #endif
 973 };
 974
 975 char *sinit12 = "hello world";
 976 char *sinit13[] = {
 977     "test1",
 978     "test2",
 979     "test3",
 980 };
 981 char sinit14[10] = { "abc" };
 982 int sinit15[3] = { sizeof(sinit15), 1, 2 };
 983
 984 void init_test(void)
 985 {
 986     int linit1 = 2;
 987     int linit2 = { 3 };
 988     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
 989     int linit6[] = { 1, 2, 3 };
 990     int i, j;
 991     char linit8[] = "hello" "trala";
 992     int linit12[10] = { 1, 2 };
 993     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
 994     char linit14[10] = "abc";
 995     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
 996     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
 997     int linit17 = sizeof(linit17);
 998
 999     printf("init_test:\n");
1000
1001     printf("sinit1=%d\n", sinit1);
1002     printf("sinit2=%d\n", sinit2);
1003     printf("sinit3=%d %d %d %d\n",
1004            sizeof(sinit3),
1005            sinit3[0],
1006            sinit3[1],
1007            sinit3[2]
1008            );
1009     printf("sinit6=%d\n", sizeof(sinit6));
1010     printf("sinit7=%d %d %d %d\n",
1011            sizeof(sinit7),
1012            sinit7[0],
1013            sinit7[1],
1014            sinit7[2]
1015            );
1016     printf("sinit8=%s\n", sinit8);
1017     printf("sinit9=%d %d %d\n",
1018            sinit9.f1,
1019            sinit9.f2,
1020            sinit9.f3
1021            );
1022     printf("sinit10=%d %d %d\n",
1023            sinit10.f1,
1024            sinit10.f2,
1025            sinit10.f3
1026            );
1027     printf("sinit11=%d %d %d %d %d %d\n",
1028            sinit11.f1,
1029            sinit11.f2,
1030            sinit11.f3,
1031            sinit11.farray[0],
1032            sinit11.farray[1],
1033            sinit11.farray[2]
1034            );
1035
1036     for(i=0;i<3;i++)
1037         for(j=0;j<2;j++)
1038             printf("[%d][%d] = %d %d %d\n",
1039                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1040     printf("linit1=%d\n", linit1);
1041     printf("linit2=%d\n", linit2);
1042     printf("linit6=%d\n", sizeof(linit6));
1043     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1044
1045     printf("sinit12=%s\n", sinit12);
1046     printf("sinit13=%d %s %s %s\n",
1047            sizeof(sinit13),
1048            sinit13[0],
1049            sinit13[1],
1050            sinit13[2]);
1051     printf("sinit14=%s\n", sinit14);
1052
1053     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1054     printf("\n");
1055     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1056     printf("\n");
1057     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1058     printf("\n");
1059     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1060     printf("\n");
1061     printf("%d %d %d %d\n",
1062            linit16.a1,
1063            linit16.a2,
1064            linit16.a3,
1065            linit16.a4);
1066     /* test that initialisation is done after variable declare */
1067     printf("linit17=%d\n", linit17);
1068     printf("sinit15=%d\n", sinit15[0]);
1069 }
1070
1071 void switch_test()
1072 {
1073     int i;
1074
1075     for(i=0;i<15;i++) {
1076         switch(i) {
1077         case 0:
1078         case 1:
1079             printf("a");
1080             break;
1081         default:
1082             printf("%d", i);
1083             break;
1084         case 8 ... 12:
1085             printf("c");
1086             break;
1087         case 3:
1088             printf("b");
1089             break;
1090         }
1091     }
1092     printf("\n");
1093 }
1094
1095 /* ISOC99 _Bool type */
1096 void c99_bool_test(void)
1097 {
1098 #ifdef BOOL_ISOC99
1099     int a;
1100     _Bool b;
1101
1102     printf("bool_test:\n");
1103     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1104     a = 3;
1105     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1106     b = 3;
1107     printf("b = %d\n", b);
1108     b++;
1109     printf("b = %d\n", b);
1110 #endif
1111 }
1112
1113 void bitfield_test(void)
1114 {
1115     int a;
1116     struct sbf1 {
1117         int f1 : 3;
1118         int : 2;
1119         int f2 : 1;
1120         int : 0;
1121         int f3 : 5;
1122         int f4 : 7;
1123         unsigned int f5 : 7;
1124     } st1;
1125     printf("bitfield_test:");
1126     printf("sizeof(st1) = %d\n", sizeof(st1));
1127
1128     st1.f1 = 3;
1129     st1.f2 = 1;
1130     st1.f3 = 15;
1131     a = 120;
1132     st1.f4 = a;
1133     st1.f5 = a;
1134     st1.f5++;
1135     printf("%d %d %d %d %d\n",
1136            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1137 }
1138
1139 #define FTEST(prefix, type, fmt)\
1140 void prefix ## cmp(type a, type b)\
1141 {\
1142     printf("%d %d %d %d %d %d\n",\
1143            a == b,\
1144            a != b,\
1145            a < b,\
1146            a > b,\
1147            a >= b,\
1148            a <= b);\
1149     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1150            a,\
1151            b,\
1152            a + b,\
1153            a - b,\
1154            a * b,\
1155            a / b,\
1156            -a);\
1157     printf(fmt "\n", ++a);\
1158     printf(fmt "\n", a++);\
1159     printf(fmt "\n", a);\
1160 }\
1161 void prefix ## fcast(type a)\
1162 {\
1163     float fa;\
1164     double da;\
1165     long double la;\
1166     int ia;\
1167     unsigned int ua;\
1168     type b;\
1169     fa = a;\
1170     da = a;\
1171     la = a;\
1172     printf("ftof: %f %f %Lf\n", fa, da, la);\
1173     ia = (int)a;\
1174     ua = (unsigned int)a;\
1175     printf("ftoi: %d %u\n", ia, ua);\
1176     ia = -1234;\
1177     ua = 0x81234500;\
1178     b = ia;\
1179     printf("itof: " fmt "\n", b);\
1180     b = ua;\
1181     printf("utof: " fmt "\n", b);\
1182 }\
1183 \
1184 void prefix ## test(void)\
1185 {\
1186     printf("testing '%s'\n", #type);\
1187     prefix ## cmp(1, 2.5);\
1188     prefix ## cmp(2, 1.5);\
1189     prefix ## cmp(1, 1);\
1190     prefix ## fcast(234.6);\
1191     prefix ## fcast(-2334.6);\
1192 }
1193
1194 FTEST(f, float, "%f")
1195 FTEST(d, double, "%f")
1196 FTEST(ld, long double, "%Lf")
1197
1198 double ftab1[3] = { 1.2, 3.4, -5.6 };
1199
1200
1201 void float_test(void)
1202 {
1203     float fa, fb;
1204     double da, db;
1205     int a;
1206     unsigned int b;
1207
1208     printf("float_test:\n");
1209     printf("sizeof(float) = %d\n", sizeof(float));
1210     printf("sizeof(double) = %d\n", sizeof(double));
1211     printf("sizeof(long double) = %d\n", sizeof(long double));
1212     ftest();
1213     dtest();
1214     ldtest();
1215     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1216     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1217     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1218     da = 123;
1219     printf("da=%f\n", da);
1220     fa = 123;
1221     printf("fa=%f\n", fa);
1222     a = 4000000000;
1223     da = a;
1224     printf("da = %f\n", da);
1225     b = 4000000000;
1226     db = b;
1227     printf("db = %f\n", db);
1228 }
1229
1230 int fib(int n)
1231 {
1232     if (n <= 2)
1233         return 1;
1234     else
1235         return fib(n-1) + fib(n-2);
1236 }
1237
1238 void funcptr_test()
1239 {
1240     void (*func)(int);
1241     int a;
1242     struct {
1243         int dummy;
1244         void (*func)(int);
1245     } st1;
1246
1247     printf("funcptr:\n");
1248     func = &num;
1249     (*func)(12345);
1250     func = num;
1251     a = 1;
1252     a = 1;
1253     func(12345);
1254     /* more complicated pointer computation */
1255     st1.func = num;
1256     st1.func(12346);
1257     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1258     printf("sizeof2 = %d\n", sizeof funcptr_test);
1259     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1260     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1261 }
1262
1263 void lloptest(long long a, long long b)
1264 {
1265     unsigned long long ua, ub;
1266
1267     ua = a;
1268     ub = b;
1269     /* arith */
1270     printf("arith: %Ld %Ld %Ld %Ld %Ld\n",
1271            a + b,
1272            a - b,
1273            a * b,
1274            a / b,
1275            a % b);
1276
1277     /* binary */
1278     printf("bin: %Ld %Ld %Ld\n",
1279            a & b,
1280            a | b,
1281            a ^ b);
1282
1283     /* tests */
1284     printf("test: %d %d %d %d %d %d\n",
1285            a == b,
1286            a != b,
1287            a < b,
1288            a > b,
1289            a >= b,
1290            a <= b);
1291
1292     printf("utest: %d %d %d %d %d %d\n",
1293            ua == ub,
1294            ua != ub,
1295            ua < ub,
1296            ua > ub,
1297            ua >= ub,
1298            ua <= ub);
1299
1300     /* arith2 */
1301     a++;
1302     b++;
1303     printf("arith2: %Ld %Ld\n", a, b);
1304     printf("arith2: %Ld %Ld\n", a++, b++);
1305     printf("arith2: %Ld %Ld\n", --a, --b);
1306     printf("arith2: %Ld %Ld\n", a, b);
1307 }
1308
1309 void llshift(long long a, int b)
1310 {
1311     printf("shift: %Ld %Ld %Ld\n",
1312            (unsigned long long)a >> b,
1313            a >> b,
1314            a << b);
1315     printf("shiftc: %Ld %Ld %Ld\n",
1316            (unsigned long long)a >> 3,
1317            a >> 3,
1318            a << 3);
1319     printf("shiftc: %Ld %Ld %Ld\n",
1320            (unsigned long long)a >> 35,
1321            a >> 35,
1322            a << 35);
1323 }
1324
1325 void llfloat(void)
1326 {
1327     float fa;
1328     double da;
1329     long double lda;
1330     long long la, lb, lc;
1331     unsigned long long ula, ulb, ulc;
1332     la = 0x12345678;
1333     ula = 0x72345678;
1334     la = (la << 20) | 0x12345;
1335     ula = ula << 33;
1336     printf("la=%Ld ula=%Lu\n", la, ula);
1337
1338     fa = la;
1339     da = la;
1340     lda = la;
1341     printf("lltof: %f %f %Lf\n", fa, da, lda);
1342
1343     la = fa;
1344     lb = da;
1345     lc = lda;
1346     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1347
1348     fa = ula;
1349     da = ula;
1350     lda = ula;
1351     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1352
1353     ula = fa;
1354     ulb = da;
1355     ulc = lda;
1356     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1357 }
1358
1359 long long llfunc1(int a)
1360 {
1361     return a * 2;
1362 }
1363
1364 struct S {
1365     int id;
1366     char item;
1367 };
1368
1369 long long int value(struct S *v)
1370 {
1371     return ((long long int)v->item);
1372 }
1373
1374 void longlong_test(void)
1375 {
1376     long long a, b, c;
1377     int ia;
1378     unsigned int ua;
1379     printf("longlong_test:\n");
1380     printf("sizeof(long long) = %d\n", sizeof(long long));
1381     ia = -1;
1382     ua = -2;
1383     a = ia;
1384     b = ua;
1385     printf("%Ld %Ld\n", a, b);
1386     printf("%Ld %Ld %Ld %Lx\n",
1387            (long long)1,
1388            (long long)-2,
1389            1LL,
1390            0x1234567812345679);
1391     a = llfunc1(-3);
1392     printf("%Ld\n", a);
1393
1394     lloptest(1000, 23);
1395     lloptest(0xff, 0x1234);
1396     b = 0x72345678 << 10;
1397     lloptest(-3, b);
1398     llshift(0x123, 5);
1399     llshift(-23, 5);
1400     b = 0x72345678LL << 10;
1401     llshift(b, 47);
1402
1403     llfloat();
1404 #if 1
1405     b = 0x12345678;
1406     a = -1;
1407     c = a + b;
1408     printf("%Lx\n", c);
1409 #endif
1410
1411     /* long long reg spill test */
1412     {
1413           struct S a;
1414
1415           a.item = 3;
1416           printf("%lld\n", value(&a));
1417     }
1418 }
1419
1420 void vprintf1(const char *fmt, ...)
1421 {
1422     va_list ap;
1423     const char *p;
1424     int c, i;
1425     double d;
1426     long long ll;
1427
1428     va_start(ap, fmt);
1429
1430     p = fmt;
1431     for(;;) {
1432         c = *p;
1433         if (c == '\0')
1434             break;
1435         p++;
1436         if (c == '%') {
1437             c = *p;
1438             switch(c) {
1439             case '\0':
1440                 goto the_end;
1441             case 'd':
1442                 i = va_arg(ap, int);
1443                 printf("%d", i);
1444                 break;
1445             case 'f':
1446                 d = va_arg(ap, double);
1447                 printf("%f", d);
1448                 break;
1449             case 'l':
1450                 ll = va_arg(ap, long long);
1451                 printf("%Ld", ll);
1452                 break;
1453             }
1454             p++;
1455         } else {
1456             putchar(c);
1457         }
1458     }
1459  the_end:
1460     va_end(ap);
1461 }
1462
1463
1464 void stdarg_test(void)
1465 {
1466     vprintf1("%d %d %d\n", 1, 2, 3);
1467     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1468     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1469 }
1470
1471 void whitespace_test(void)
1472 {
1473     char *str;
1474
1475 \f\v
#if 1
1476     pri\
1477 ntf("whitspace:\n");\f\v
1478 #endif
1479     pf("N=%d\n", 2);
1480     pri\
1481 ntf("aaa=%d\n", 3);
1482
1483     pri\
1484 \
1485 ntf("min=%d\n", 4);
1486     printf("len1=%d\n", strlen("
1487 "));
1488     str = "
1489 ";
1490     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
1491     printf("len1=%d\n", strlen("
a
1492 "));
1493 }
1494
1495 int reltab[3] = { 1, 2, 3 };
1496
1497 int *rel1 = &reltab[1];
1498 int *rel2 = &reltab[2];
1499
1500 void relocation_test(void)
1501 {
1502     printf("*rel1=%d\n", *rel1);
1503     printf("*rel2=%d\n", *rel2);
1504 }