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/* Copyright 2024 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 <assert.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/mman.h>
volatile void* library_base_address = 0;
volatile int *ptr = 0;
int
main ()
{
struct stat buf;
int res;
int fd = open (SHLIB_FILENAME, O_RDONLY);
assert (fd != -1);
res = fstat (fd, &buf);
assert (res == 0);
library_base_address
= mmap (NULL, buf.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
res = *ptr; /* Undefined behavior here. */
return 0;
}
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