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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc1/] [gcc/] [testsuite/] [g++.dg/] [ext/] [builtin-object-size1.C] - Blame information for rev 338

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Line No. Rev Author Line
1 301 jeremybenn 
// { dg-do run }
2 
// { dg-options "-O2" }
3 
 
4 
typedef __SIZE_TYPE__ size_t;
5 
extern "C" void abort ();
6 
extern "C" void exit (int);
7 
extern "C" void *malloc (size_t);
8 
extern "C" void free (void *);
9 
 
10 
struct A
11 
{
12 
  char a[10];
13 
  int b;
14 
  char c[10];
15 
};
16 
 
17 
void
18 
__attribute__ ((noinline))
19 
test1 (A *p)
20 
{
21 
  char *c;
22 
  if (__builtin_object_size (&p->a, 0) != (size_t) -1)
23 
    abort ();
24 
  if (__builtin_object_size (&p->a[0], 0) != (size_t) -1)
25 
    abort ();
26 
  if (__builtin_object_size (&p->a[3], 0) != (size_t) -1)
27 
    abort ();
28 
  if (__builtin_object_size (&p->b, 0) != (size_t) -1)
29 
    abort ();
30 
  if (__builtin_object_size (&p->c, 0) != (size_t) -1)
31 
    abort ();
32 
  c = p->a;
33 
  if (__builtin_object_size (c, 0) != (size_t) -1)
34 
    abort ();
35 
  c = &p->a[0];
36 
  if (__builtin_object_size (c, 0) != (size_t) -1)
37 
    abort ();
38 
  c = &p->a[3];
39 
  if (__builtin_object_size (c, 0) != (size_t) -1)
40 
    abort ();
41 
  c = (char *) &p->b;
42 
  if (__builtin_object_size (c, 0) != (size_t) -1)
43 
    abort ();
44 
  c = (char *) &p->c;
45 
  if (__builtin_object_size (c, 0) != (size_t) -1)
46 
    abort ();
47 
  if (__builtin_object_size (&p->a, 1) != sizeof (p->a))
48 
    abort ();
49 
  if (__builtin_object_size (&p->a[0], 1) != sizeof (p->a))
50 
    abort ();
51 
  if (__builtin_object_size (&p->a[3], 1) != sizeof (p->a) - 3)
52 
    abort ();
53 
  if (__builtin_object_size (&p->b, 1) != sizeof (p->b))
54 
    abort ();
55 
  if (__builtin_object_size (&p->c, 1) != (size_t) -1)
56 
    abort ();
57 
  c = p->a;
58 
  if (__builtin_object_size (c, 1) != sizeof (p->a))
59 
    abort ();
60 
  c = &p->a[0];
61 
  if (__builtin_object_size (c, 1) != sizeof (p->a))
62 
    abort ();
63 
  c = &p->a[3];
64 
  if (__builtin_object_size (c, 1) != sizeof (p->a) - 3)
65 
    abort ();
66 
  c = (char *) &p->b;
67 
  if (__builtin_object_size (c, 1) != sizeof (p->b))
68 
    abort ();
69 
  c = (char *) &p->c;
70 
  if (__builtin_object_size (c, 1) != (size_t) -1)
71 
    abort ();
72 
  if (__builtin_object_size (&p->a, 2) != 0)
73 
    abort ();
74 
  if (__builtin_object_size (&p->a[0], 2) != 0)
75 
    abort ();
76 
  if (__builtin_object_size (&p->a[3], 2) != 0)
77 
    abort ();
78 
  if (__builtin_object_size (&p->b, 2) != 0)
79 
    abort ();
80 
  if (__builtin_object_size (&p->c, 2) != 0)
81 
    abort ();
82 
  c = p->a;
83 
  if (__builtin_object_size (c, 2) != 0)
84 
    abort ();
85 
  c = &p->a[0];
86 
  if (__builtin_object_size (c, 2) != 0)
87 
    abort ();
88 
  c = &p->a[3];
89 
  if (__builtin_object_size (c, 2) != 0)
90 
    abort ();
91 
  c = (char *) &p->b;
92 
  if (__builtin_object_size (c, 2) != 0)
93 
    abort ();
94 
  c = (char *) &p->c;
95 
  if (__builtin_object_size (c, 2) != 0)
96 
    abort ();
97 
  if (__builtin_object_size (&p->a, 3) != sizeof (p->a))
98 
    abort ();
99 
  if (__builtin_object_size (&p->a[0], 3) != sizeof (p->a))
100 
    abort ();
101 
  if (__builtin_object_size (&p->a[3], 3) != sizeof (p->a) - 3)
102 
    abort ();
103 
  if (__builtin_object_size (&p->b, 3) != sizeof (p->b))
104 
    abort ();
105 
  if (__builtin_object_size (&p->c, 3) != 0)
106 
    abort ();
107 
  c = p->a;
108 
  if (__builtin_object_size (c, 3) != sizeof (p->a))
109 
    abort ();
110 
  c = &p->a[0];
111 
  if (__builtin_object_size (c, 3) != sizeof (p->a))
112 
    abort ();
113 
  c = &p->a[3];
114 
  if (__builtin_object_size (c, 3) != sizeof (p->a) - 3)
115 
    abort ();
116 
  c = (char *) &p->b;
117 
  if (__builtin_object_size (c, 3) != sizeof (p->b))
118 
    abort ();
119 
  c = (char *) &p->c;
120 
  if (__builtin_object_size (c, 3) != 0)
121 
    abort ();
122 
}
123 
 
124 
void
125 
__attribute__ ((noinline))
126 
test2 (void)
127 
{
128 
  char *c;
129 
  size_t s = 2 * sizeof (A);
130 
  A *p = (A *) malloc (2 * sizeof (A));
131 
  if (__builtin_object_size (&p->a, 0) != s)
132 
    abort ();
133 
  if (__builtin_object_size (&p->a[0], 0) != s)
134 
    abort ();
135 
  if (__builtin_object_size (&p->a[3], 0) != s - 3)
136 
    abort ();
137 
  if (__builtin_object_size (&p->b, 0) != s - __builtin_offsetof (A, b))
138 
    abort ();
139 
  if (__builtin_object_size (&p->c, 0) != s - __builtin_offsetof (A, c))
140 
    abort ();
141 
  c = p->a;
142 
  if (__builtin_object_size (c, 0) != s)
143 
    abort ();
144 
  c = &p->a[0];
145 
  if (__builtin_object_size (c, 0) != s)
146 
    abort ();
147 
  c = &p->a[3];
148 
  if (__builtin_object_size (c, 0) != s - 3)
149 
    abort ();
150 
  c = (char *) &p->b;
151 
  if (__builtin_object_size (c, 0) != s - __builtin_offsetof (A, b))
152 
    abort ();
153 
  c = (char *) &p->c;
154 
  if (__builtin_object_size (c, 0) != s - __builtin_offsetof (A, c))
155 
    abort ();
156 
  if (__builtin_object_size (&p->a, 1) != sizeof (p->a))
157 
    abort ();
158 
  if (__builtin_object_size (&p->a[0], 1) != sizeof (p->a))
159 
    abort ();
160 
  if (__builtin_object_size (&p->a[3], 1) != sizeof (p->a) - 3)
161 
    abort ();
162 
  if (__builtin_object_size (&p->b, 1) != sizeof (p->b))
163 
    abort ();
164 
  if (__builtin_object_size (&p->c, 1) != s - __builtin_offsetof (A, c))
165 
    abort ();
166 
  c = p->a;
167 
  if (__builtin_object_size (c, 1) != sizeof (p->a))
168 
    abort ();
169 
  c = &p->a[0];
170 
  if (__builtin_object_size (c, 1) != sizeof (p->a))
171 
    abort ();
172 
  c = &p->a[3];
173 
  if (__builtin_object_size (c, 1) != sizeof (p->a) - 3)
174 
    abort ();
175 
  c = (char *) &p->b;
176 
  if (__builtin_object_size (c, 1) != sizeof (p->b))
177 
    abort ();
178 
  c = (char *) &p->c;
179 
  if (__builtin_object_size (c, 1) != s - __builtin_offsetof (A, c))
180 
    abort ();
181 
  if (__builtin_object_size (&p->a, 2) != s)
182 
    abort ();
183 
  if (__builtin_object_size (&p->a[0], 2) != s)
184 
    abort ();
185 
  if (__builtin_object_size (&p->a[3], 2) != s - 3)
186 
    abort ();
187 
  if (__builtin_object_size (&p->b, 2) != s - __builtin_offsetof (A, b))
188 
    abort ();
189 
  if (__builtin_object_size (&p->c, 2) != s - __builtin_offsetof (A, c))
190 
    abort ();
191 
  c = p->a;
192 
  if (__builtin_object_size (c, 2) != s)
193 
    abort ();
194 
  c = &p->a[0];
195 
  if (__builtin_object_size (c, 2) != s)
196 
    abort ();
197 
  c = &p->a[3];
198 
  if (__builtin_object_size (c, 2) != s - 3)
199 
    abort ();
200 
  c = (char *) &p->b;
201 
  if (__builtin_object_size (c, 2) != s - __builtin_offsetof (A, b))
202 
    abort ();
203 
  c = (char *) &p->c;
204 
  if (__builtin_object_size (c, 2) != s - __builtin_offsetof (A, c))
205 
    abort ();
206 
  if (__builtin_object_size (&p->a, 3) != sizeof (p->a))
207 
    abort ();
208 
  if (__builtin_object_size (&p->a[0], 3) != sizeof (p->a))
209 
    abort ();
210 
  if (__builtin_object_size (&p->a[3], 3) != sizeof (p->a) - 3)
211 
    abort ();
212 
  if (__builtin_object_size (&p->b, 3) != sizeof (p->b))
213 
    abort ();
214 
  if (__builtin_object_size (&p->c, 3) != s - __builtin_offsetof (A, c))
215 
    abort ();
216 
  c = p->a;
217 
  if (__builtin_object_size (c, 3) != sizeof (p->a))
218 
    abort ();
219 
  c = &p->a[0];
220 
  if (__builtin_object_size (c, 3) != sizeof (p->a))
221 
    abort ();
222 
  c = &p->a[3];
223 
  if (__builtin_object_size (c, 3) != sizeof (p->a) - 3)
224 
    abort ();
225 
  c = (char *) &p->b;
226 
  if (__builtin_object_size (c, 3) != sizeof (p->b))
227 
    abort ();
228 
  c = (char *) &p->c;
229 
  if (__builtin_object_size (c, 3) != s - __builtin_offsetof (A, c))
230 
    abort ();
231 
  free (p);
232 
}
233 
 
234 
void
235 
__attribute__ ((noinline))
236 
test3 (void)
237 
{
238 
  char *c;
239 
  size_t s;
240 
  A *p = (A *) malloc (4);
241 
  if (__builtin_object_size (&p->a, 0) != 4)
242 
    abort ();
243 
  if (__builtin_object_size (&p->a[0], 0) != 4)
244 
    abort ();
245 
  if (__builtin_object_size (&p->a[3], 0) != 1)
246 
    abort ();
247 
  if (__builtin_object_size (&p->b, 0) != 0)
248 
    abort ();
249 
  if (__builtin_object_size (&p->c, 0) != 0)
250 
    abort ();
251 
  if (__builtin_object_size (&p->a, 1) != 4)
252 
    abort ();
253 
  if (__builtin_object_size (&p->a[0], 1) != 4)
254 
    abort ();
255 
  if (__builtin_object_size (&p->a[3], 1) != 1)
256 
    abort ();
257 
  if (__builtin_object_size (&p->b, 1) != 0)
258 
    abort ();
259 
  if (__builtin_object_size (&p->c, 1) != 0)
260 
    abort ();
261 
  free (p);
262 
  s = __builtin_offsetof (A, c) + 4;
263 
  p = (A *) malloc (s);
264 
  if (__builtin_object_size (&p->a, 0) != s)
265 
    abort ();
266 
  if (__builtin_object_size (&p->a[0], 0) != s)
267 
    abort ();
268 
  if (__builtin_object_size (&p->a[3], 0) != s - 3)
269 
    abort ();
270 
  if (__builtin_object_size (&p->b, 0) != s - __builtin_offsetof (A, b))
271 
    abort ();
272 
  if (__builtin_object_size (&p->c, 0) != 4)
273 
    abort ();
274 
  if (__builtin_object_size (&p->a, 1) != sizeof (p->a))
275 
    abort ();
276 
  if (__builtin_object_size (&p->a[0], 1) != sizeof (p->a))
277 
    abort ();
278 
  if (__builtin_object_size (&p->a[3], 1) != sizeof (p->a) - 3)
279 
    abort ();
280 
  if (__builtin_object_size (&p->b, 1) != sizeof (p->b))
281 
    abort ();
282 
  if (__builtin_object_size (&p->c, 1) != 4)
283 
    abort ();
284 
  free (p);
285 
}
286 
 
287 
struct B
288 
{
289 
  A a[4];
290 
};
291 
 
292 
void
293 
__attribute__ ((noinline))
294 
test4 (struct B *q, int i)
295 
{
296 
  if (__builtin_object_size (&q->a[2].a[2], 1) != sizeof (q->a[0].a) - 2)
297 
    abort ();
298 
  if (__builtin_object_size (&q->a[2].c[2], 1) != sizeof (q->a[0].c) - 2)
299 
    abort ();
300 
  if (__builtin_object_size (&q->a[3].a[2], 1) != sizeof (q->a[0].a) - 2)
301 
    abort ();
302 
  if (__builtin_object_size (&q->a[3].c[2], 1) != sizeof (q->a[0].c) - 2)
303 
    abort ();
304 
  if (__builtin_object_size (&q->a[i].a[2], 1) != sizeof (q->a[0].a) - 2)
305 
    abort ();
306 
  if (__builtin_object_size (&q->a[i].c[2], 1) != sizeof (q->a[0].c) - 2)
307 
    abort ();
308 
}
309 
 
310 
struct C
311 
{
312 
  char a[10];
313 
  char b;
314 
};
315 
 
316 
void
317 
__attribute__ ((noinline))
318 
test5 (struct C *c)
319 
{
320 
  if (__builtin_object_size (&c->b, 0) != (size_t) -1)
321 
    abort ();
322 
  if (__builtin_object_size (&c->b, 1) != 1)
323 
    abort ();
324 
  if (__builtin_object_size (&c->b, 2) != 0)
325 
    abort ();
326 
  if (__builtin_object_size (&c->b, 3) != 1)
327 
    abort ();
328 
}
329 
 
330 
struct D
331 
{
332 
  int i;
333 
  struct D1
334 
  {
335 
    char b;
336 
    char a[10];
337 
  } j;
338 
};
339 
 
340 
void
341 
__attribute__ ((noinline))
342 
test6 (struct D *d)
343 
{
344 
  if (__builtin_object_size (&d->j.a[3], 0) != (size_t) -1)
345 
    abort ();
346 
  if (__builtin_object_size (&d->j.a[3], 1) != sizeof (d->j.a) - 3)
347 
    abort ();
348 
  if (__builtin_object_size (&d->j.a[3], 2) != 0)
349 
    abort ();
350 
  if (__builtin_object_size (&d->j.a[3], 3) != sizeof (d->j.a) - 3)
351 
    abort ();
352 
}
353 
 
354 
struct E
355 
{
356 
  int i;
357 
  struct E1
358 
  {
359 
    char b;
360 
    char a[10];
361 
  } j[1];
362 
};
363 
 
364 
void
365 
__attribute__ ((noinline))
366 
test7 (struct E *e)
367 
{
368 
  if (__builtin_object_size (&e->j[0].a[3], 0) != (size_t) -1)
369 
    abort ();
370 
  if (__builtin_object_size (&e->j[0].a[3], 1) != sizeof (e->j[0].a) - 3)
371 
    abort ();
372 
  if (__builtin_object_size (&e->j[0].a[3], 2) != 0)
373 
    abort ();
374 
  if (__builtin_object_size (&e->j[0].a[3], 3) != sizeof (e->j[0].a) - 3)
375 
    abort ();
376 
  if (__builtin_object_size ((char *) &e->j[0], 0) != (size_t) -1)
377 
    abort ();
378 
  if (__builtin_object_size ((char *) &e->j[0], 1) != (size_t) -1)
379 
    abort ();
380 
  if (__builtin_object_size ((char *) &e->j[0], 2) != 0)
381 
    abort ();
382 
  if (__builtin_object_size ((char *) &e->j[0], 3) != 0)
383 
    abort ();
384 
}
385 
 
386 
union F
387 
{
388 
  char a[1];
389 
  struct F1
390 
  {
391 
    char b;
392 
    char c[10];
393 
  } d;
394 
};
395 
 
396 
void
397 
__attribute__ ((noinline))
398 
test8 (union F *f)
399 
{
400 
  if (__builtin_object_size (&f->d.c[3], 0) != (size_t) -1)
401 
    abort ();
402 
  if (__builtin_object_size (&f->d.c[3], 1) != (size_t) -1)
403 
    abort ();
404 
  if (__builtin_object_size (&f->d.c[3], 2) != 0)
405 
    abort ();
406 
  if (__builtin_object_size (&f->d.c[3], 3) != 0)
407 
    abort ();
408 
}
409 
 
410 
int
411 
main (void)
412 
{
413 
  A a, *p = &a;
414 
  int i = 1;
415 
  __asm ("" : "+r" (p));
416 
  test1 (p);
417 
  test2 ();
418 
  test3 ();
419 
  struct B b, *q = &b;
420 
  __asm ("" : "+r" (q), "+r" (i));
421 
  test4 (q, i);
422 
  struct C c, *cp = &c;
423 
  __asm ("" : "+r" (cp));
424 
  test5 (cp);
425 
  struct D d, *dp = &d;
426 
  __asm ("" : "+r" (dp));
427 
  test6 (dp);
428 
  struct E e, *ep = &e;
429 
  __asm ("" : "+r" (ep));
430 
  test7 (ep);
431 
  union F f, *fp = &f;
432 
  __asm ("" : "+r" (fp));
433 
  test8 (fp);
434 
  exit (0);
435 
}

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