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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [builtin-object-size-2.c] - Blame information for rev 645

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Line No. Rev Author Line
1 149 jeremybenn 
/* { dg-do run } */
2 
/* { dg-options "-O2" } */
3 
 
4 
typedef __SIZE_TYPE__ size_t;
5 
extern void abort (void);
6 
extern void exit (int);
7 
extern void *malloc (size_t);
8 
extern void *calloc (size_t, size_t);
9 
extern void *alloca (size_t);
10 
extern void *memcpy (void *, const void *, size_t);
11 
extern void *memset (void *, int, size_t);
12 
extern char *strcpy (char *, const char *);
13 
 
14 
struct A
15 
{
16 
  char a[10];
17 
  int b;
18 
  char c[10];
19 
} y, w[4];
20 
 
21 
extern char exta[];
22 
extern char extb[30];
23 
extern struct A extc[];
24 
struct A zerol[0];
25 
 
26 
void
27 
__attribute__ ((noinline))
28 
test1 (void *q, int x)
29 
{
30 
  struct A a;
31 
  void *p = &a.a[3], *r;
32 
  char var[x + 10];
33 
  struct A vara[x + 10];
34 
  if (x < 0)
35 
    r = &a.a[9];
36 
  else
37 
    r = &a.c[1];
38 
  if (__builtin_object_size (p, 1) != sizeof (a.a) - 3)
39 
    abort ();
40 
  if (__builtin_object_size (&a.c[9], 1)
41 
      != sizeof (a.c) - 9)
42 
    abort ();
43 
  if (__builtin_object_size (q, 1) != (size_t) -1)
44 
    abort ();
45 
  if (__builtin_object_size (r, 1) != sizeof (a.c) - 1)
46 
    abort ();
47 
  if (x < 6)
48 
    r = &w[2].a[1];
49 
  else
50 
    r = &a.a[6];
51 
  if (__builtin_object_size (&y, 1) != sizeof (y))
52 
    abort ();
53 
  if (__builtin_object_size (w, 1) != sizeof (w))
54 
    abort ();
55 
  if (__builtin_object_size (&y.b, 1) != sizeof (a.b))
56 
    abort ();
57 
  if (__builtin_object_size (r, 1) != sizeof (a.a) - 1)
58 
    abort ();
59 
  if (x < 20)
60 
    r = malloc (30);
61 
  else
62 
    r = calloc (2, 16);
63 
  if (__builtin_object_size (r, 1) != 2 * 16)
64 
    abort ();
65 
  if (x < 20)
66 
    r = malloc (30);
67 
  else
68 
    r = calloc (2, 14);
69 
  if (__builtin_object_size (r, 1) != 30)
70 
    abort ();
71 
  if (x < 30)
72 
    r = malloc (sizeof (a));
73 
  else
74 
    r = &a.a[3];
75 
  if (__builtin_object_size (r, 1) != sizeof (a))
76 
    abort ();
77 
  r = memcpy (r, "a", 2);
78 
  if (__builtin_object_size (r, 1) != sizeof (a))
79 
    abort ();
80 
  r = memcpy (r + 2, "b", 2) + 2;
81 
  if (__builtin_object_size (r, 1) != sizeof (a) - 4)
82 
    abort ();
83 
  r = &a.a[4];
84 
  r = memset (r, 'a', 2);
85 
  if (__builtin_object_size (r, 1) != sizeof (a.a) - 4)
86 
    abort ();
87 
  r = memset (r + 2, 'b', 2) + 2;
88 
  if (__builtin_object_size (r, 1) != sizeof (a.a) - 8)
89 
    abort ();
90 
  r = &a.a[1];
91 
  r = strcpy (r, "ab");
92 
  if (__builtin_object_size (r, 1) != sizeof (a.a) - 1)
93 
    abort ();
94 
  r = strcpy (r + 2, "cd") + 2;
95 
  if (__builtin_object_size (r, 1) != sizeof (a.a) - 5)
96 
    abort ();
97 
  if (__builtin_object_size (exta, 1) != (size_t) -1)
98 
    abort ();
99 
  if (__builtin_object_size (exta + 10, 1) != (size_t) -1)
100 
    abort ();
101 
  if (__builtin_object_size (&exta[5], 1) != (size_t) -1)
102 
    abort ();
103 
  if (__builtin_object_size (extb, 1) != sizeof (extb))
104 
    abort ();
105 
  if (__builtin_object_size (extb + 10, 1) != sizeof (extb) - 10)
106 
    abort ();
107 
  if (__builtin_object_size (&extb[5], 1) != sizeof (extb) - 5)
108 
    abort ();
109 
  if (__builtin_object_size (extc, 1) != (size_t) -1)
110 
    abort ();
111 
  if (__builtin_object_size (extc + 10, 1) != (size_t) -1)
112 
    abort ();
113 
  if (__builtin_object_size (&extc[5], 1) != (size_t) -1)
114 
    abort ();
115 
  if (__builtin_object_size (&extc->a, 1) != (size_t) -1)
116 
    abort ();
117 
  if (__builtin_object_size (&(extc + 10)->b, 1) != (size_t) -1)
118 
    abort ();
119 
  if (__builtin_object_size (&extc[5].c[3], 1) != (size_t) -1)
120 
    abort ();
121 
  if (__builtin_object_size (var, 1) != (size_t) -1)
122 
    abort ();
123 
  if (__builtin_object_size (var + 10, 1) != (size_t) -1)
124 
    abort ();
125 
  if (__builtin_object_size (&var[5], 1) != (size_t) -1)
126 
    abort ();
127 
  if (__builtin_object_size (vara, 1) != (size_t) -1)
128 
    abort ();
129 
  if (__builtin_object_size (vara + 10, 1) != (size_t) -1)
130 
    abort ();
131 
  if (__builtin_object_size (&vara[5], 1) != (size_t) -1)
132 
    abort ();
133 
  if (__builtin_object_size (&vara[0].a, 1) != (size_t) -1)
134 
    abort ();
135 
  if (__builtin_object_size (&vara[10].a[0], 1) != (size_t) -1)
136 
    abort ();
137 
  if (__builtin_object_size (&vara[5].a[4], 1) != (size_t) -1)
138 
    abort ();
139 
  if (__builtin_object_size (&vara[5].b, 1) != (size_t) -1)
140 
    abort ();
141 
  if (__builtin_object_size (&vara[7].c[7], 1) != (size_t) -1)
142 
    abort ();
143 
  if (__builtin_object_size (zerol, 1) != 0)
144 
    abort ();
145 
  if (__builtin_object_size (&zerol, 1) != 0)
146 
    abort ();
147 
  if (__builtin_object_size (&zerol[0], 1) != 0)
148 
    abort ();
149 
  if (__builtin_object_size (zerol[0].a, 1) != 0)
150 
    abort ();
151 
  if (__builtin_object_size (&zerol[0].a[0], 1) != 0)
152 
    abort ();
153 
  if (__builtin_object_size (&zerol[0].b, 1) != 0)
154 
    abort ();
155 
  if (__builtin_object_size ("abcdefg", 1) != sizeof ("abcdefg"))
156 
    abort ();
157 
  if (__builtin_object_size ("abcd\0efg", 1) != sizeof ("abcd\0efg"))
158 
    abort ();
159 
  if (__builtin_object_size (&"abcd\0efg", 1) != sizeof ("abcd\0efg"))
160 
    abort ();
161 
  if (__builtin_object_size (&"abcd\0efg"[0], 1) != sizeof ("abcd\0efg"))
162 
    abort ();
163 
  if (__builtin_object_size (&"abcd\0efg"[4], 1) != sizeof ("abcd\0efg") - 4)
164 
    abort ();
165 
  if (__builtin_object_size ("abcd\0efg" + 5, 1) != sizeof ("abcd\0efg") - 5)
166 
    abort ();
167 
  if (__builtin_object_size (L"abcdefg", 1) != sizeof (L"abcdefg"))
168 
    abort ();
169 
  r = (char *) L"abcd\0efg";
170 
  if (__builtin_object_size (r + 2, 1) != sizeof (L"abcd\0efg") - 2)
171 
    abort ();
172 
}
173 
 
174 
size_t l1 = 1;
175 
 
176 
void
177 
__attribute__ ((noinline))
178 
test2 (void)
179 
{
180 
  struct B { char buf1[10]; char buf2[10]; } a;
181 
  char *r, buf3[20];
182 
  int i;
183 
 
184 
  if (sizeof (a) != 20)
185 
    return;
186 
 
187 
  r = buf3;
188 
  for (i = 0; i < 4; ++i)
189 
    {
190 
      if (i == l1 - 1)
191 
        r = &a.buf1[1];
192 
      else if (i == l1)
193 
        r = &a.buf2[7];
194 
      else if (i == l1 + 1)
195 
        r = &buf3[5];
196 
      else if (i == l1 + 2)
197 
        r = &a.buf1[9];
198 
    }
199 
  if (__builtin_object_size (r, 1) != sizeof (buf3))
200 
    abort ();
201 
  r = &buf3[20];
202 
  for (i = 0; i < 4; ++i)
203 
    {
204 
      if (i == l1 - 1)
205 
        r = &a.buf1[7];
206 
      else if (i == l1)
207 
        r = &a.buf2[7];
208 
      else if (i == l1 + 1)
209 
        r = &buf3[5];
210 
      else if (i == l1 + 2)
211 
        r = &a.buf1[9];
212 
    }
213 
  if (__builtin_object_size (r, 1) != sizeof (buf3) - 5)
214 
    abort ();
215 
  r += 8;
216 
  if (__builtin_object_size (r, 1) != sizeof (buf3) - 13)
217 
    abort ();
218 
  if (__builtin_object_size (r + 6, 1) != sizeof (buf3) - 19)
219 
    abort ();
220 
}
221 
 
222 
void
223 
__attribute__ ((noinline))
224 
test3 (void)
225 
{
226 
  char buf4[10];
227 
  struct B { struct A a[2]; struct A b; char c[4]; char d; double e;
228 
             _Complex double f; } x;
229 
  double y;
230 
  _Complex double z;
231 
  double *dp;
232 
 
233 
  if (__builtin_object_size (buf4, 1) != sizeof (buf4))
234 
    abort ();
235 
  if (__builtin_object_size (&buf4, 1) != sizeof (buf4))
236 
    abort ();
237 
  if (__builtin_object_size (&buf4[0], 1) != sizeof (buf4))
238 
    abort ();
239 
  if (__builtin_object_size (&buf4[1], 1) != sizeof (buf4) - 1)
240 
    abort ();
241 
  if (__builtin_object_size (&x, 1) != sizeof (x))
242 
    abort ();
243 
  if (__builtin_object_size (&x.a, 1) != sizeof (x.a))
244 
    abort ();
245 
  if (__builtin_object_size (&x.a[0], 1) != sizeof (x.a))
246 
    abort ();
247 
  if (__builtin_object_size (&x.a[0].a, 1) != sizeof (x.a[0].a))
248 
    abort ();
249 
  if (__builtin_object_size (&x.a[0].a[0], 1) != sizeof (x.a[0].a))
250 
    abort ();
251 
  if (__builtin_object_size (&x.a[0].a[3], 1) != sizeof (x.a[0].a) - 3)
252 
    abort ();
253 
  if (__builtin_object_size (&x.a[0].b, 1) != sizeof (x.a[0].b))
254 
    abort ();
255 
  if (__builtin_object_size (&x.a[1].c, 1) != sizeof (x.a[1].c))
256 
    abort ();
257 
  if (__builtin_object_size (&x.a[1].c[0], 1) != sizeof (x.a[1].c))
258 
    abort ();
259 
  if (__builtin_object_size (&x.a[1].c[3], 1) != sizeof (x.a[1].c) - 3)
260 
    abort ();
261 
  if (__builtin_object_size (&x.b, 1) != sizeof (x.b))
262 
    abort ();
263 
  if (__builtin_object_size (&x.b.a, 1) != sizeof (x.b.a))
264 
    abort ();
265 
  if (__builtin_object_size (&x.b.a[0], 1) != sizeof (x.b.a))
266 
    abort ();
267 
  if (__builtin_object_size (&x.b.a[3], 1) != sizeof (x.b.a) - 3)
268 
    abort ();
269 
  if (__builtin_object_size (&x.b.b, 1) != sizeof (x.b.b))
270 
    abort ();
271 
  if (__builtin_object_size (&x.b.c, 1) != sizeof (x.b.c))
272 
    abort ();
273 
  if (__builtin_object_size (&x.b.c[0], 1) != sizeof (x.b.c))
274 
    abort ();
275 
  if (__builtin_object_size (&x.b.c[3], 1) != sizeof (x.b.c) - 3)
276 
    abort ();
277 
  if (__builtin_object_size (&x.c, 1) != sizeof (x.c))
278 
    abort ();
279 
  if (__builtin_object_size (&x.c[0], 1) != sizeof (x.c))
280 
    abort ();
281 
  if (__builtin_object_size (&x.c[1], 1) != sizeof (x.c) - 1)
282 
    abort ();
283 
  if (__builtin_object_size (&x.d, 1) != sizeof (x.d))
284 
    abort ();
285 
  if (__builtin_object_size (&x.e, 1) != sizeof (x.e))
286 
    abort ();
287 
  if (__builtin_object_size (&x.f, 1) != sizeof (x.f))
288 
    abort ();
289 
  dp = &__real__ x.f;
290 
  if (__builtin_object_size (dp, 1) != sizeof (x.f) / 2)
291 
    abort ();
292 
  dp = &__imag__ x.f;
293 
  if (__builtin_object_size (dp, 1) != sizeof (x.f) / 2)
294 
    abort ();
295 
  dp = &y;
296 
  if (__builtin_object_size (dp, 1) != sizeof (y))
297 
    abort ();
298 
  if (__builtin_object_size (&z, 1) != sizeof (z))
299 
      abort ();
300 
  dp = &__real__ z;
301 
  if (__builtin_object_size (dp, 1) != sizeof (z) / 2)
302 
    abort ();
303 
  dp = &__imag__ z;
304 
  if (__builtin_object_size (dp, 1) != sizeof (z) / 2)
305 
    abort ();
306 
}
307 
 
308 
struct S { unsigned int a; };
309 
 
310 
char *
311 
__attribute__ ((noinline))
312 
test4 (char *x, int y)
313 
{
314 
  register int i;
315 
  struct A *p;
316 
 
317 
  for (i = 0; i < y; i++)
318 
    {
319 
      p = (struct A *) x;
320 
      x = (char *) &p[1];
321 
      if (__builtin_object_size (p, 1) != (size_t) -1)
322 
        abort ();
323 
    }
324 
  return x;
325 
}
326 
 
327 
void
328 
__attribute__ ((noinline))
329 
test5 (size_t x)
330 
{
331 
  struct T { char buf[64]; char buf2[64]; } t;
332 
  char *p = &t.buf[8];
333 
  size_t i;
334 
 
335 
  for (i = 0; i < x; ++i)
336 
    p = p + 4;
337 
  if (__builtin_object_size (p, 1) != sizeof (t.buf) - 8)
338 
    abort ();
339 
  memset (p, ' ', sizeof (t.buf) - 8 - 4 * 4);
340 
}
341 
 
342 
void
343 
__attribute__ ((noinline))
344 
test6 (void)
345 
{
346 
  char buf[64];
347 
  struct T { char buf[64]; char buf2[64]; } t;
348 
  char *p = &buf[64], *q = &t.buf[64];
349 
 
350 
  if (__builtin_object_size (p + 64, 1) != 0)
351 
    abort ();
352 
  if (__builtin_object_size (q + 0, 1) != 0)
353 
    abort ();
354 
  if (__builtin_object_size (q + 64, 1) != 0)
355 
    abort ();
356 
}
357 
 
358 
void
359 
__attribute__ ((noinline))
360 
test7 (void)
361 
{
362 
  struct T { char buf[10]; char buf2[10]; } t;
363 
  char *p = &t.buf2[-4];
364 
  char *q = &t.buf2[0];
365 
  if (__builtin_object_size (p, 1) != 0)
366 
    abort ();
367 
  if (__builtin_object_size (q, 1) != sizeof (t.buf2))
368 
    abort ();
369 
  q = &t.buf[10];
370 
  if (__builtin_object_size (q, 1) != 0)
371 
    abort ();
372 
  q = &t.buf[11];
373 
  if (__builtin_object_size (q, 1) != 0)
374 
    abort ();
375 
  p = &t.buf[-4];
376 
  if (__builtin_object_size (p, 1) != 0)
377 
    abort ();
378 
}
379 
 
380 
int
381 
main (void)
382 
{
383 
  struct S s[10];
384 
  __asm ("" : "=r" (l1) : "0" (l1));
385 
  test1 (main, 6);
386 
  test2 ();
387 
  test3 ();
388 
  test4 ((char *) s, 10);
389 
  test5 (4);
390 
  test6 ();
391 
  test7 ();
392 
  exit (0);
393 
}

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