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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [ext/] [builtin-object-size2.C] - Blame information for rev 715

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Line No. Rev Author Line
1 693 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 
typedef struct A
11 
{
12 
  char a[10];
13 
  int b;
14 
  char c[10];
15 
  static int d;
16 
} AT;
17 
 
18 
int A::d = 6;
19 
 
20 
void
21 
__attribute__ ((noinline))
22 
test1 (A *p)
23 
{
24 
  char *c;
25 
  if (__builtin_object_size (&p->a, 0) != (size_t) -1)
26 
    abort ();
27 
  if (__builtin_object_size (&p->a[0], 0) != (size_t) -1)
28 
    abort ();
29 
  if (__builtin_object_size (&p->a[3], 0) != (size_t) -1)
30 
    abort ();
31 
  if (__builtin_object_size (&p->b, 0) != (size_t) -1)
32 
    abort ();
33 
  if (__builtin_object_size (&p->c, 0) != (size_t) -1)
34 
    abort ();
35 
  c = p->a;
36 
  if (__builtin_object_size (c, 0) != (size_t) -1)
37 
    abort ();
38 
  c = &p->a[0];
39 
  if (__builtin_object_size (c, 0) != (size_t) -1)
40 
    abort ();
41 
  c = &p->a[3];
42 
  if (__builtin_object_size (c, 0) != (size_t) -1)
43 
    abort ();
44 
  c = (char *) &p->b;
45 
  if (__builtin_object_size (c, 0) != (size_t) -1)
46 
    abort ();
47 
  c = (char *) &p->c;
48 
  if (__builtin_object_size (c, 0) != (size_t) -1)
49 
    abort ();
50 
  if (__builtin_object_size (&p->a, 1) != sizeof (p->a))
51 
    abort ();
52 
  if (__builtin_object_size (&p->a[0], 1) != sizeof (p->a))
53 
    abort ();
54 
  if (__builtin_object_size (&p->a[3], 1) != sizeof (p->a) - 3)
55 
    abort ();
56 
  if (__builtin_object_size (&p->b, 1) != sizeof (p->b))
57 
    abort ();
58 
  if (__builtin_object_size (&p->c, 1) != (size_t) -1)
59 
    abort ();
60 
  c = p->a;
61 
  if (__builtin_object_size (c, 1) != sizeof (p->a))
62 
    abort ();
63 
  c = &p->a[0];
64 
  if (__builtin_object_size (c, 1) != sizeof (p->a))
65 
    abort ();
66 
  c = &p->a[3];
67 
  if (__builtin_object_size (c, 1) != sizeof (p->a) - 3)
68 
    abort ();
69 
  c = (char *) &p->b;
70 
  if (__builtin_object_size (c, 1) != sizeof (p->b))
71 
    abort ();
72 
  c = (char *) &p->c;
73 
  if (__builtin_object_size (c, 1) != (size_t) -1)
74 
    abort ();
75 
  if (__builtin_object_size (&p->a, 2) != 0)
76 
    abort ();
77 
  if (__builtin_object_size (&p->a[0], 2) != 0)
78 
    abort ();
79 
  if (__builtin_object_size (&p->a[3], 2) != 0)
80 
    abort ();
81 
  if (__builtin_object_size (&p->b, 2) != 0)
82 
    abort ();
83 
  if (__builtin_object_size (&p->c, 2) != 0)
84 
    abort ();
85 
  c = p->a;
86 
  if (__builtin_object_size (c, 2) != 0)
87 
    abort ();
88 
  c = &p->a[0];
89 
  if (__builtin_object_size (c, 2) != 0)
90 
    abort ();
91 
  c = &p->a[3];
92 
  if (__builtin_object_size (c, 2) != 0)
93 
    abort ();
94 
  c = (char *) &p->b;
95 
  if (__builtin_object_size (c, 2) != 0)
96 
    abort ();
97 
  c = (char *) &p->c;
98 
  if (__builtin_object_size (c, 2) != 0)
99 
    abort ();
100 
  if (__builtin_object_size (&p->a, 3) != sizeof (p->a))
101 
    abort ();
102 
  if (__builtin_object_size (&p->a[0], 3) != sizeof (p->a))
103 
    abort ();
104 
  if (__builtin_object_size (&p->a[3], 3) != sizeof (p->a) - 3)
105 
    abort ();
106 
  if (__builtin_object_size (&p->b, 3) != sizeof (p->b))
107 
    abort ();
108 
  if (__builtin_object_size (&p->c, 3) != 0)
109 
    abort ();
110 
  c = p->a;
111 
  if (__builtin_object_size (c, 3) != sizeof (p->a))
112 
    abort ();
113 
  c = &p->a[0];
114 
  if (__builtin_object_size (c, 3) != sizeof (p->a))
115 
    abort ();
116 
  c = &p->a[3];
117 
  if (__builtin_object_size (c, 3) != sizeof (p->a) - 3)
118 
    abort ();
119 
  c = (char *) &p->b;
120 
  if (__builtin_object_size (c, 3) != sizeof (p->b))
121 
    abort ();
122 
  c = (char *) &p->c;
123 
  if (__builtin_object_size (c, 3) != 0)
124 
    abort ();
125 
}
126 
 
127 
void
128 
__attribute__ ((noinline))
129 
test2 (void)
130 
{
131 
  char *c;
132 
  size_t s = 2 * sizeof (A);
133 
  A *p = (A *) malloc (2 * sizeof (A));
134 
  if (__builtin_object_size (&p->a, 0) != s)
135 
    abort ();
136 
  if (__builtin_object_size (&p->a[0], 0) != s)
137 
    abort ();
138 
  if (__builtin_object_size (&p->a[3], 0) != s - 3)
139 
    abort ();
140 
  if (__builtin_object_size (&p->b, 0) != s - __builtin_offsetof (A, b))
141 
    abort ();
142 
  if (__builtin_object_size (&p->c, 0) != s - __builtin_offsetof (A, c))
143 
    abort ();
144 
  c = p->a;
145 
  if (__builtin_object_size (c, 0) != s)
146 
    abort ();
147 
  c = &p->a[0];
148 
  if (__builtin_object_size (c, 0) != s)
149 
    abort ();
150 
  c = &p->a[3];
151 
  if (__builtin_object_size (c, 0) != s - 3)
152 
    abort ();
153 
  c = (char *) &p->b;
154 
  if (__builtin_object_size (c, 0) != s - __builtin_offsetof (A, b))
155 
    abort ();
156 
  c = (char *) &p->c;
157 
  if (__builtin_object_size (c, 0) != s - __builtin_offsetof (A, c))
158 
    abort ();
159 
  if (__builtin_object_size (&p->a, 1) != sizeof (p->a))
160 
    abort ();
161 
  if (__builtin_object_size (&p->a[0], 1) != sizeof (p->a))
162 
    abort ();
163 
  if (__builtin_object_size (&p->a[3], 1) != sizeof (p->a) - 3)
164 
    abort ();
165 
  if (__builtin_object_size (&p->b, 1) != sizeof (p->b))
166 
    abort ();
167 
  if (__builtin_object_size (&p->c, 1) != s - __builtin_offsetof (A, c))
168 
    abort ();
169 
  c = p->a;
170 
  if (__builtin_object_size (c, 1) != sizeof (p->a))
171 
    abort ();
172 
  c = &p->a[0];
173 
  if (__builtin_object_size (c, 1) != sizeof (p->a))
174 
    abort ();
175 
  c = &p->a[3];
176 
  if (__builtin_object_size (c, 1) != sizeof (p->a) - 3)
177 
    abort ();
178 
  c = (char *) &p->b;
179 
  if (__builtin_object_size (c, 1) != sizeof (p->b))
180 
    abort ();
181 
  c = (char *) &p->c;
182 
  if (__builtin_object_size (c, 1) != s - __builtin_offsetof (A, c))
183 
    abort ();
184 
  if (__builtin_object_size (&p->a, 2) != s)
185 
    abort ();
186 
  if (__builtin_object_size (&p->a[0], 2) != s)
187 
    abort ();
188 
  if (__builtin_object_size (&p->a[3], 2) != s - 3)
189 
    abort ();
190 
  if (__builtin_object_size (&p->b, 2) != s - __builtin_offsetof (A, b))
191 
    abort ();
192 
  if (__builtin_object_size (&p->c, 2) != s - __builtin_offsetof (A, c))
193 
    abort ();
194 
  c = p->a;
195 
  if (__builtin_object_size (c, 2) != s)
196 
    abort ();
197 
  c = &p->a[0];
198 
  if (__builtin_object_size (c, 2) != s)
199 
    abort ();
200 
  c = &p->a[3];
201 
  if (__builtin_object_size (c, 2) != s - 3)
202 
    abort ();
203 
  c = (char *) &p->b;
204 
  if (__builtin_object_size (c, 2) != s - __builtin_offsetof (A, b))
205 
    abort ();
206 
  c = (char *) &p->c;
207 
  if (__builtin_object_size (c, 2) != s - __builtin_offsetof (A, c))
208 
    abort ();
209 
  if (__builtin_object_size (&p->a, 3) != sizeof (p->a))
210 
    abort ();
211 
  if (__builtin_object_size (&p->a[0], 3) != sizeof (p->a))
212 
    abort ();
213 
  if (__builtin_object_size (&p->a[3], 3) != sizeof (p->a) - 3)
214 
    abort ();
215 
  if (__builtin_object_size (&p->b, 3) != sizeof (p->b))
216 
    abort ();
217 
  if (__builtin_object_size (&p->c, 3) != s - __builtin_offsetof (A, c))
218 
    abort ();
219 
  c = p->a;
220 
  if (__builtin_object_size (c, 3) != sizeof (p->a))
221 
    abort ();
222 
  c = &p->a[0];
223 
  if (__builtin_object_size (c, 3) != sizeof (p->a))
224 
    abort ();
225 
  c = &p->a[3];
226 
  if (__builtin_object_size (c, 3) != sizeof (p->a) - 3)
227 
    abort ();
228 
  c = (char *) &p->b;
229 
  if (__builtin_object_size (c, 3) != sizeof (p->b))
230 
    abort ();
231 
  c = (char *) &p->c;
232 
  if (__builtin_object_size (c, 3) != s - __builtin_offsetof (A, c))
233 
    abort ();
234 
  free (p);
235 
}
236 
 
237 
void
238 
__attribute__ ((noinline))
239 
test3 (void)
240 
{
241 
  char *c;
242 
  size_t s;
243 
  A *p = (A *) malloc (4);
244 
  if (__builtin_object_size (&p->a, 0) != 4)
245 
    abort ();
246 
  if (__builtin_object_size (&p->a[0], 0) != 4)
247 
    abort ();
248 
  if (__builtin_object_size (&p->a[3], 0) != 1)
249 
    abort ();
250 
  if (__builtin_object_size (&p->b, 0) != 0)
251 
    abort ();
252 
  if (__builtin_object_size (&p->c, 0) != 0)
253 
    abort ();
254 
  if (__builtin_object_size (&p->a, 1) != 4)
255 
    abort ();
256 
  if (__builtin_object_size (&p->a[0], 1) != 4)
257 
    abort ();
258 
  if (__builtin_object_size (&p->a[3], 1) != 1)
259 
    abort ();
260 
  if (__builtin_object_size (&p->b, 1) != 0)
261 
    abort ();
262 
  if (__builtin_object_size (&p->c, 1) != 0)
263 
    abort ();
264 
  free (p);
265 
  s = __builtin_offsetof (A, c) + 4;
266 
  p = (A *) malloc (s);
267 
  if (__builtin_object_size (&p->a, 0) != s)
268 
    abort ();
269 
  if (__builtin_object_size (&p->a[0], 0) != s)
270 
    abort ();
271 
  if (__builtin_object_size (&p->a[3], 0) != s - 3)
272 
    abort ();
273 
  if (__builtin_object_size (&p->b, 0) != s - __builtin_offsetof (A, b))
274 
    abort ();
275 
  if (__builtin_object_size (&p->c, 0) != 4)
276 
    abort ();
277 
  if (__builtin_object_size (&p->a, 1) != sizeof (p->a))
278 
    abort ();
279 
  if (__builtin_object_size (&p->a[0], 1) != sizeof (p->a))
280 
    abort ();
281 
  if (__builtin_object_size (&p->a[3], 1) != sizeof (p->a) - 3)
282 
    abort ();
283 
  if (__builtin_object_size (&p->b, 1) != sizeof (p->b))
284 
    abort ();
285 
  if (__builtin_object_size (&p->c, 1) != 4)
286 
    abort ();
287 
  free (p);
288 
}
289 
 
290 
struct B
291 
{
292 
  A a[4];
293 
};
294 
 
295 
void
296 
__attribute__ ((noinline))
297 
test4 (struct B *q, int i)
298 
{
299 
  if (__builtin_object_size (&q->a[2].a[2], 1) != sizeof (q->a[0].a) - 2)
300 
    abort ();
301 
  if (__builtin_object_size (&q->a[2].c[2], 1) != sizeof (q->a[0].c) - 2)
302 
    abort ();
303 
  if (__builtin_object_size (&q->a[3].a[2], 1) != sizeof (q->a[0].a) - 2)
304 
    abort ();
305 
  if (__builtin_object_size (&q->a[3].c[2], 1) != sizeof (q->a[0].c) - 2)
306 
    abort ();
307 
  if (__builtin_object_size (&q->a[i].a[2], 1) != sizeof (q->a[0].a) - 2)
308 
    abort ();
309 
  if (__builtin_object_size (&q->a[i].c[2], 1) != sizeof (q->a[0].c) - 2)
310 
    abort ();
311 
}
312 
 
313 
struct C
314 
{
315 
  char a[10];
316 
  char b;
317 
};
318 
 
319 
void
320 
__attribute__ ((noinline))
321 
test5 (struct C *c)
322 
{
323 
  if (__builtin_object_size (&c->b, 0) != (size_t) -1)
324 
    abort ();
325 
  if (__builtin_object_size (&c->b, 1) != 1)
326 
    abort ();
327 
  if (__builtin_object_size (&c->b, 2) != 0)
328 
    abort ();
329 
  if (__builtin_object_size (&c->b, 3) != 1)
330 
    abort ();
331 
}
332 
 
333 
struct D
334 
{
335 
  int i;
336 
  struct D1
337 
  {
338 
    char b;
339 
    char a[10];
340 
  } j;
341 
};
342 
 
343 
void
344 
__attribute__ ((noinline))
345 
test6 (struct D *d)
346 
{
347 
  if (__builtin_object_size (&d->j.a[3], 0) != (size_t) -1)
348 
    abort ();
349 
  if (__builtin_object_size (&d->j.a[3], 1) != sizeof (d->j.a) - 3)
350 
    abort ();
351 
  if (__builtin_object_size (&d->j.a[3], 2) != 0)
352 
    abort ();
353 
  if (__builtin_object_size (&d->j.a[3], 3) != sizeof (d->j.a) - 3)
354 
    abort ();
355 
}
356 
 
357 
struct E
358 
{
359 
  int i;
360 
  struct E1
361 
  {
362 
    char b;
363 
    char a[10];
364 
  } j[1];
365 
};
366 
 
367 
void
368 
__attribute__ ((noinline))
369 
test7 (struct E *e)
370 
{
371 
  if (__builtin_object_size (&e->j[0].a[3], 0) != (size_t) -1)
372 
    abort ();
373 
  if (__builtin_object_size (&e->j[0].a[3], 1) != sizeof (e->j[0].a) - 3)
374 
    abort ();
375 
  if (__builtin_object_size (&e->j[0].a[3], 2) != 0)
376 
    abort ();
377 
  if (__builtin_object_size (&e->j[0].a[3], 3) != sizeof (e->j[0].a) - 3)
378 
    abort ();
379 
  if (__builtin_object_size ((char *) &e->j[0], 0) != (size_t) -1)
380 
    abort ();
381 
  if (__builtin_object_size ((char *) &e->j[0], 1) != (size_t) -1)
382 
    abort ();
383 
  if (__builtin_object_size ((char *) &e->j[0], 2) != 0)
384 
    abort ();
385 
  if (__builtin_object_size ((char *) &e->j[0], 3) != 0)
386 
    abort ();
387 
}
388 
 
389 
union F
390 
{
391 
  char a[1];
392 
  struct F1
393 
  {
394 
    char b;
395 
    char c[10];
396 
  } d;
397 
};
398 
 
399 
void
400 
__attribute__ ((noinline))
401 
test8 (union F *f)
402 
{
403 
  if (__builtin_object_size (&f->d.c[3], 0) != (size_t) -1)
404 
    abort ();
405 
  if (__builtin_object_size (&f->d.c[3], 1) != (size_t) -1)
406 
    abort ();
407 
  if (__builtin_object_size (&f->d.c[3], 2) != 0)
408 
    abort ();
409 
  if (__builtin_object_size (&f->d.c[3], 3) != 0)
410 
    abort ();
411 
}
412 
 
413 
int
414 
main (void)
415 
{
416 
  A a, *p = &a;
417 
  int i = 1;
418 
  __asm ("" : "+r" (p));
419 
  test1 (p);
420 
  test2 ();
421 
  test3 ();
422 
  struct B b, *q = &b;
423 
  __asm ("" : "+r" (q), "+r" (i));
424 
  test4 (q, i);
425 
  struct C c, *cp = &c;
426 
  __asm ("" : "+r" (cp));
427 
  test5 (cp);
428 
  struct D d, *dp = &d;
429 
  __asm ("" : "+r" (dp));
430 
  test6 (dp);
431 
  struct E e, *ep = &e;
432 
  __asm ("" : "+r" (ep));
433 
  test7 (ep);
434 
  union F f, *fp = &f;
435 
  __asm ("" : "+r" (fp));
436 
  test8 (fp);
437 
  exit (0);
438 
}

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