gdb/testsuite/gdb.base/structs.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 1996-2023 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 /* Useful abreviations.  */
  19 typedef void t;
  20 typedef char tc;
  21 typedef short ts;
  22 typedef int ti;
  23 typedef long tl;
  24 typedef long long tll;
  25 typedef float tf;
  26 typedef double td;
  27 typedef long double tld;
  28
  29 /* Force the type of each field.  */
  30 #ifndef tA
  31 typedef t tA;
  32 #endif
  33 #ifndef tB
  34 typedef tA tB;
  35 #endif
  36 #ifndef tC
  37 typedef tB tC;
  38 #endif
  39 #ifndef tD
  40 typedef tC tD;
  41 #endif
  42 #ifndef tE
  43 typedef tD tE;
  44 #endif
  45 #ifndef tF
  46 typedef tE tF;
  47 #endif
  48 #ifndef tG
  49 typedef tF tG;
  50 #endif
  51 #ifndef tH
  52 typedef tG tH;
  53 #endif
  54 #ifndef tI
  55 typedef tH tI;
  56 #endif
  57 #ifndef tJ
  58 typedef tI tJ;
  59 #endif
  60 #ifndef tK
  61 typedef tJ tK;
  62 #endif
  63 #ifndef tL
  64 typedef tK tL;
  65 #endif
  66 #ifndef tM
  67 typedef tL tM;
  68 #endif
  69 #ifndef tN
  70 typedef tM tN;
  71 #endif
  72 #ifndef tO
  73 typedef tN tO;
  74 #endif
  75 #ifndef tP
  76 typedef tO tP;
  77 #endif
  78 #ifndef tQ
  79 typedef tP tQ;
  80 #endif
  81 #ifndef tR
  82 typedef tQ tR;
  83 #endif
  84
  85 struct  struct1 {tA a;};
  86 struct  struct2 {tA a; tB b;};
  87 struct  struct3 {tA a; tB b; tC c; };
  88 struct  struct4 {tA a; tB b; tC c; tD d; };
  89 struct  struct5 {tA a; tB b; tC c; tD d; tE e; };
  90 struct  struct6 {tA a; tB b; tC c; tD d; tE e; tF f; };
  91 struct  struct7 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; };
  92 struct  struct8 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; };
  93 struct  struct9 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; };
  94 struct struct10 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; };
  95 struct struct11 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; };
  96 struct struct12 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; };
  97 struct struct13 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; };
  98 struct struct14 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; };
  99 struct struct15 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; tO o; };
 100 struct struct16 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; tO o; tP p; };
 101 struct struct17 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; tO o; tP p; tQ q; };
 102 struct struct18 {tA a; tB b; tC c; tD d; tE e; tF f; tG g; tH h; tI i; tJ j; tK k; tL l; tM m; tN n; tO o; tP p; tQ q; tR r; };
 103
 104 struct  struct1  foo1 = {'1'}, L1;
 105 struct  struct2  foo2 = {'a','2'}, L2;
 106 struct  struct3  foo3 = {'1','b','3'}, L3;
 107 struct  struct4  foo4 = {'a','2','c','4'}, L4;
 108 struct  struct5  foo5 = {'1','b','3','d','5'}, L5;
 109 struct  struct6  foo6 = {'a','2','c','4','e','6'}, L6;
 110 struct  struct7  foo7 = {'1','b','3','d','5','f','7'}, L7;
 111 struct  struct8  foo8 = {'a','2','c','4','e','6','g','8'}, L8;
 112 struct  struct9  foo9 = {'1','b','3','d','5','f','7','h','9'}, L9;
 113 struct struct10 foo10 = {'a','2','c','4','e','6','g','8','i','A'}, L10;
 114 struct struct11 foo11 = {'1','b','3','d','5','f','7','h','9','j','B'}, L11;
 115 struct struct12 foo12 = {'a','2','c','4','e','6','g','8','i','A','k','C'}, L12;
 116 struct struct13 foo13 = {'1','b','3','d','5','f','7','h','9','j','B','l','D'}, L13;
 117 struct struct14 foo14 = {'a','2','c','4','e','6','g','8','i','A','k','C','m','E'}, L14;
 118 struct struct15 foo15 = {'1','b','3','d','5','f','7','h','9','j','B','l','D','n','F'}, L15;
 119 struct struct16 foo16 = {'a','2','c','4','e','6','g','8','i','A','k','C','m','E','o','G'}, L16;
 120 struct struct17 foo17 = {'1','b','3','d','5','f','7','h','9','j','B','l','D','n','F','p','H'}, L17;
 121 struct struct18 foo18 = {'a','2','c','4','e','6','g','8','i','A','k','C','m','E','o','G','q','I'}, L18;
 122
 123 struct struct1  fun1()
 124 {
 125   return foo1;
 126 }
 127 struct struct2  fun2()
 128 {
 129   return foo2;
 130 }
 131 struct struct3  fun3()
 132 {
 133   return foo3;
 134 }
 135 struct struct4  fun4()
 136 {
 137   return foo4;
 138 }
 139 struct struct5  fun5()
 140 {
 141   return foo5;
 142 }
 143 struct struct6  fun6()
 144 {
 145   return foo6;
 146 }
 147 struct struct7  fun7()
 148 {
 149   return foo7;
 150 }
 151 struct struct8  fun8()
 152 {
 153   return foo8;
 154 }
 155 struct struct9  fun9()
 156 {
 157   return foo9;
 158 }
 159 struct struct10 fun10()
 160 {
 161   return foo10;
 162 }
 163 struct struct11 fun11()
 164 {
 165   return foo11;
 166 }
 167 struct struct12 fun12()
 168 {
 169   return foo12;
 170 }
 171 struct struct13 fun13()
 172 {
 173   return foo13;
 174 }
 175 struct struct14 fun14()
 176 {
 177   return foo14;
 178 }
 179 struct struct15 fun15()
 180 {
 181   return foo15;
 182 }
 183 struct struct16 fun16()
 184 {
 185   return foo16;
 186 }
 187 struct struct17 fun17()
 188 {
 189   return foo17;
 190 }
 191 struct struct18 fun18()
 192 {
 193   return foo18;
 194 }
 195
 196 void Fun1(struct struct1 foo1)
 197 {
 198   L1 = foo1;
 199 }
 200 void Fun2(struct struct2 foo2)
 201 {
 202   L2 = foo2;
 203 }
 204 void Fun3(struct struct3 foo3)
 205 {
 206   L3 = foo3;
 207 }
 208 void Fun4(struct struct4 foo4)
 209 {
 210   L4 = foo4;
 211 }
 212 void Fun5(struct struct5 foo5)
 213 {
 214   L5 = foo5;
 215 }
 216 void Fun6(struct struct6 foo6)
 217 {
 218   L6 = foo6;
 219 }
 220 void Fun7(struct struct7 foo7)
 221 {
 222   L7 = foo7;
 223 }
 224 void Fun8(struct struct8 foo8)
 225 {
 226   L8 = foo8;
 227 }
 228 void Fun9(struct struct9 foo9)
 229 {
 230   L9 = foo9;
 231 }
 232 void Fun10(struct struct10 foo10)
 233 {
 234   L10 = foo10;
 235 }
 236 void Fun11(struct struct11 foo11)
 237 {
 238   L11 = foo11;
 239 }
 240 void Fun12(struct struct12 foo12)
 241 {
 242   L12 = foo12;
 243 }
 244 void Fun13(struct struct13 foo13)
 245 {
 246   L13 = foo13;
 247 }
 248 void Fun14(struct struct14 foo14)
 249 {
 250   L14 = foo14;
 251 }
 252 void Fun15(struct struct15 foo15)
 253 {
 254   L15 = foo15;
 255 }
 256 void Fun16(struct struct16 foo16)
 257 {
 258   L16 = foo16;
 259 }
 260 void Fun17(struct struct17 foo17)
 261 {
 262   L17 = foo17;
 263 }
 264 void Fun18(struct struct18 foo18)
 265 {
 266   L18 = foo18;
 267 }
 268
 269 void
 270 zed ()
 271 {
 272
 273   L1.a = L2.a = L3.a = L4.a = L5.a = L6.a = L7.a = L8.a = L9.a = L10.a = L11.a = L12.a = L13.a = L14.a = L15.a = L16.a = L17.a = L18.a = 'Z';
 274
 275   L2.b = L3.b = L4.b = L5.b = L6.b = L7.b = L8.b = L9.b = L10.b = L11.b = L12.b = L13.b = L14.b = L15.b = L16.b = L17.b = L18.b = 'Z';
 276
 277   L3.c = L4.c = L5.c = L6.c = L7.c = L8.c = L9.c = L10.c = L11.c = L12.c = L13.c = L14.c = L15.c = L16.c = L17.c = L18.c = 'Z';
 278
 279   L4.d = L5.d = L6.d = L7.d = L8.d = L9.d = L10.d = L11.d = L12.d = L13.d = L14.d = L15.d = L16.d = L17.d = L18.d = 'Z';
 280
 281   L5.e = L6.e = L7.e = L8.e = L9.e = L10.e = L11.e = L12.e = L13.e = L14.e = L15.e = L16.e = L17.e = L18.e = 'Z';
 282
 283   L6.f = L7.f = L8.f = L9.f = L10.f = L11.f = L12.f = L13.f = L14.f = L15.f = L16.f = L17.f = L18.f = 'Z';
 284
 285   L7.g = L8.g = L9.g = L10.g = L11.g = L12.g = L13.g = L14.g = L15.g = L16.g = L17.g = L18.g = 'Z';
 286
 287   L8.h = L9.h = L10.h = L11.h = L12.h = L13.h = L14.h = L15.h = L16.h = L17.h = L18.h = 'Z';
 288
 289   L9.i = L10.i = L11.i = L12.i = L13.i = L14.i = L15.i = L16.i = L17.i = L18.i = 'Z';
 290
 291   L10.j = L11.j = L12.j = L13.j = L14.j = L15.j = L16.j = L17.j = L18.j = 'Z';
 292
 293   L11.k = L12.k = L13.k = L14.k = L15.k = L16.k = L17.k = L18.k = 'Z';
 294
 295   L12.l = L13.l = L14.l = L15.l = L16.l = L17.l = L18.l = 'Z';
 296
 297   L13.m = L14.m = L15.m = L16.m = L17.m = L18.m = 'Z';
 298
 299   L14.n = L15.n = L16.n = L17.n = L18.n = 'Z';
 300
 301   L15.o = L16.o = L17.o = L18.o = 'Z';
 302
 303   L16.p = L17.p = L18.p = 'Z';
 304
 305   L17.q = L18.q = 'Z';
 306
 307   L18.r = 'Z';
 308 }
 309
 310 static struct { char c; } chartest[256];
 311
 312 int main()
 313 {
 314   int i;
 315
 316   for (i = 0; i < 256; i++)
 317     chartest[i].c = i;
 318   chartest[0].c = 0;  /* chartest-done */
 319
 320   Fun1(foo1);
 321   Fun2(foo2);
 322   Fun3(foo3);
 323   Fun4(foo4);
 324   Fun5(foo5);
 325   Fun6(foo6);
 326   Fun7(foo7);
 327   Fun8(foo8);
 328   Fun9(foo9);
 329   Fun10(foo10);
 330   Fun11(foo11);
 331   Fun12(foo12);
 332   Fun13(foo13);
 333   Fun14(foo14);
 334   Fun15(foo15);
 335   Fun16(foo16);
 336   Fun17(foo17);
 337   Fun18(foo18);
 338
 339   /* An (almost-)infinite loop that first clears all the variables and then
 340      calls each function.  This "hack" is to make testing random
 341      functions easier - "advance funN" is guaranteed to have always
 342      been preceded by a global variable clearing zed call.
 343      We don't let this run forever in case gdb crashes while testing,
 344      we don't want to be left eating all cpu on the user's system.  */
 345
 346   for (i = 0; i < 1000000; ++i)
 347     {
 348       zed ();
 349       L1  = fun1();
 350       L2  = fun2();
 351       L3  = fun3();
 352       L4  = fun4();
 353       L5  = fun5();
 354       L6  = fun6();
 355       L7  = fun7();
 356       L8  = fun8();
 357       L9  = fun9();
 358       L10 = fun10();
 359       L11 = fun11();
 360       L12 = fun12();
 361       L13 = fun13();
 362       L14 = fun14();
 363       L15 = fun15();
 364       L16 = fun16();
 365       L17 = fun17();
 366       L18 = fun18();
 367     }
 368
 369   return 0;
 370 }