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/* This testcase is part of GDB, the GNU debugger.
Copyright 2014-2021 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stddef.h>
#define SIZE 5
struct foo
{
int a;
};
typedef struct bar
{
int x;
struct foo y;
} BAR;
void
vla_factory (int n)
{
struct vla_struct
{
int something;
int vla_field[n];
};
/* Define a typedef for a VLA structure. */
typedef struct vla_struct vla_struct_typedef;
vla_struct_typedef vla_struct_object;
struct inner_vla_struct
{
int something;
int vla_field[n];
int after;
} inner_vla_struct_object;
/* Define a structure which uses a typedef for the VLA field
to make sure that GDB creates the proper type for this field,
preventing a possible assertion failure (see gdb/21356). */
struct vla_struct_typedef_struct_member
{
int something;
vla_struct_typedef vla_object;
} vla_struct_typedef_struct_member_object;
union vla_union
{
int vla_field[n];
} vla_union_object;
/* Like vla_struct_typedef_struct_member but a union type. */
union vla_struct_typedef_union_member
{
int something;
vla_struct_typedef vla_object;
} vla_struct_typedef_union_member_object;
int i;
vla_struct_object.something = n;
inner_vla_struct_object.something = n;
inner_vla_struct_object.after = n;
vla_struct_typedef_struct_member_object.something = n * 2;
vla_struct_typedef_struct_member_object.vla_object.something = n * 3;
vla_struct_typedef_union_member_object.vla_object.something = n + 1;
for (i = 0; i < n; i++)
{
vla_struct_object.vla_field[i] = i*2;
vla_union_object.vla_field[i] = i*2;
inner_vla_struct_object.vla_field[i] = i*2;
vla_struct_typedef_struct_member_object.vla_object.vla_field[i]
= i * 3;
vla_struct_typedef_union_member_object.vla_object.vla_field[i]
= i * 3 - 1;
}
size_t vla_struct_object_size
= sizeof(vla_struct_object); /* vlas_filled */
size_t vla_union_object_size = sizeof(vla_union_object);
size_t inner_vla_struct_object_size = sizeof(inner_vla_struct_object);
return; /* break_end_of_vla_factory */
}
int
main (void)
{
vla_factory(SIZE);
return 0;
}
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