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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [builtin-object-size-8.c] - Rev 706
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/* { dg-do run } */ /* { dg-options "-O2" } */ typedef __SIZE_TYPE__ size_t; extern void *malloc (size_t); extern void free (void *); extern void abort (void); union A { int a1; char a2[3]; }; union B { long long b1; union A b2; }; struct C { int c1; union A c2; }; struct D { int d1; union B d2; }; union E { struct C e1; char e2[3]; }; union F { int f1; struct D f2; }; struct G { union A g1; char g2; }; struct H { int h1; union E h2; }; #define T(X, S0, S1) \ if (__builtin_object_size (X, 0) != (S0)) \ abort (); \ if (__builtin_object_size (X, 1) != (S1)) \ abort (); \ if (__builtin_object_size (X, 2) != (S0)) \ abort (); \ if (__builtin_object_size (X, 3) != (S1)) \ abort () #define TS(X, S0) T(&X, S0, sizeof (X)) #define TA(X, S0, S1) \ T(X, S0, S1); T(&X[0], S0, S1); T(&X[1], (S0) - 1, (S1) - 1) #define TF(X, S0) TA(X, S0, S0) int main (void) { size_t s, o, o2; s = sizeof (union A); o = 0; union A *a1 = malloc (s); union A *a2 = malloc (o + 212); TS (a1->a1, s); TF (a1->a2, s); s = o + 212; TS (a2->a1, s); TF (a2->a2, s); free (a2); free (a1); s = sizeof (union B); o = 0; union B *b1 = malloc (s); union B *b2 = malloc (o + 212); TS (b1->b1, s); TS (b1->b2.a1, s); TF (b1->b2.a2, s); s = o + 212; TS (b2->b1, s); TS (b2->b2.a1, s); TF (b2->b2.a2, s); free (b2); free (b1); s = sizeof (struct C); o = __builtin_offsetof (struct C, c2); struct C *c1 = malloc (s); struct C *c2 = malloc (o + 212); TS (c1->c1, s); TS (c1->c2.a1, s - o); TF (c1->c2.a2, s - o); s = o + 212; TS (c2->c1, s); TS (c2->c2.a1, s - o); TF (c2->c2.a2, s - o); free (c2); free (c1); s = sizeof (struct D); o = __builtin_offsetof (struct D, d2); struct D *d1 = malloc (s); struct D *d2 = malloc (o + 212); TS (d1->d1, s); TS (d1->d2.b1, s - o); TS (d1->d2.b2.a1, s - o); TF (d1->d2.b2.a2, s - o); s = o + 212; TS (d2->d1, s); TS (d2->d2.b1, s - o); TS (d2->d2.b2.a1, s - o); TF (d2->d2.b2.a2, s - o); free (d2); free (d1); s = sizeof (union E); o = __builtin_offsetof (union E, e1.c2); union E *e1 = malloc (s); union E *e2 = malloc (o + 212); TS (e1->e1.c1, s); TS (e1->e1.c2.a1, s - o); TF (e1->e1.c2.a2, s - o); TF (e1->e2, s); s = o + 212; TS (e2->e1.c1, s); TS (e2->e1.c2.a1, s - o); TF (e2->e1.c2.a2, s - o); TF (e2->e2, s); free (e2); free (e1); s = sizeof (union F); o = __builtin_offsetof (union F, f2.d2); union F *f1 = malloc (s); union F *f2 = malloc (o + 212); TS (f1->f1, s); TS (f1->f2.d1, s); TS (f1->f2.d2.b1, s - o); TS (f1->f2.d2.b2.a1, s - o); TF (f1->f2.d2.b2.a2, s - o); s = o + 212; TS (f2->f1, s); TS (f2->f2.d1, s); TS (f2->f2.d2.b1, s - o); TS (f2->f2.d2.b2.a1, s - o); TF (f2->f2.d2.b2.a2, s - o); free (f2); free (f1); s = sizeof (struct G); o = __builtin_offsetof (struct G, g2); struct G *g1 = malloc (s); struct G *g2 = malloc (o + 212); TS (g1->g1.a1, s); TA (g1->g1.a2, s, sizeof (g1->g1.a2)); TS (g1->g2, s - o); s = o + 212; TS (g2->g1.a1, s); TA (g2->g1.a2, s, sizeof (g1->g1.a2)); TS (g2->g2, s - o); free (g2); free (g1); s = sizeof (struct H); o = __builtin_offsetof (struct H, h2); o2 = __builtin_offsetof (struct H, h2.e1.c2); struct H *h1 = malloc (s); struct H *h2 = malloc (o2 + 212); TS (h1->h1, s); TS (h1->h2.e1.c1, s - o); TS (h1->h2.e1.c2.a1, s - o2); TA (h1->h2.e1.c2.a2, s - o2, sizeof (h1->h2.e1.c2.a2)); TF (h1->h2.e2, s - o); s = o2 + 212; TS (h2->h1, s); TS (h2->h2.e1.c1, s - o); TS (h2->h2.e1.c2.a1, s - o2); TA (h2->h2.e1.c2.a2, s - o2, sizeof (h2->h2.e1.c2.a2)); TF (h2->h2.e2, s - o); free (h2); free (h1); return 0; }
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