101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
|
* Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
|
|
*
|
|
* This file is part of GNU Mes.
|
|
*
|
|
* GNU Mes 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.
|
|
*
|
|
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <mes/lib.h>
|
|
|
|
struct section
|
|
{
|
|
unsigned char *data;
|
|
int offset;
|
|
};
|
|
|
|
struct sym
|
|
{
|
|
char *name;
|
|
int index;
|
|
};
|
|
|
|
struct sym tab3[3] = { "foo", 0, "bar", 1, "baz", 2 };
|
|
struct sym tab[] = { "foo", 0, "bar", 1, "baz", 2 };
|
|
|
|
struct section section;
|
|
|
|
#define for_each_elem(sec, startoff, elem, type) \
|
|
for (elem = (type *) sec->data + startoff; \
|
|
elem < (type *) (sec->data + sec->offset); elem++)
|
|
#define for_each_elem2(sec, startoff, elem, type) \
|
|
elem = sec->data + sizeof (type) * startoff; \
|
|
for (;elem < ((type *) (sec->data + sec->offset)); elem++)
|
|
|
|
int
|
|
main ()
|
|
{
|
|
#if __i386__ || __arm__ || __riscv_xlen == 32
|
|
int sym_size = 8;
|
|
#elif __GNUC__ && (__x86_64__ || __riscv_xlen == 64)
|
|
int sym_size = 16;
|
|
#elif __MESC__ && (__x86_64__ || __riscv_xlen == 64)
|
|
int sym_size = 12;
|
|
#endif
|
|
|
|
struct sym *p;
|
|
p = tab3;
|
|
section.data = tab;
|
|
section.offset = 24;
|
|
|
|
int size = sizeof (struct sym);
|
|
eputs ("size=");
|
|
eputs (itoa (size));
|
|
eputs ("\n");
|
|
if (size != sym_size)
|
|
return 1;
|
|
struct section *psection = §ion;
|
|
p = (struct sym *) psection->data + 1;
|
|
struct sym *q = tab;
|
|
int i = (int) p;
|
|
i -= (int) q;
|
|
eputs ("diff=");
|
|
eputs (itoa (i));
|
|
eputs ("\n");
|
|
if (i != sym_size)
|
|
return 2;
|
|
|
|
for_each_elem (psection, 1, p, struct section)
|
|
{
|
|
eputs ("i=");
|
|
eputs (itoa (p->index));
|
|
eputs (" name=");
|
|
eputs (p->name);
|
|
eputs ("\n");
|
|
}
|
|
|
|
for_each_elem2 (psection, 1, p, struct section)
|
|
{
|
|
eputs ("i=");
|
|
eputs (itoa (p->index));
|
|
eputs (" name=");
|
|
eputs (p->name);
|
|
eputs ("\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|