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/* Application Data Integrity (ADI) test in sparc64.
Copyright 2017-2024 Free Software Foundation, Inc.
This file is part of GDB.
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 <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <pthread.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <sys/errno.h>
#include <sys/utsname.h>
#include <sys/param.h>
#include <malloc.h>
#include <string.h>
#include <signal.h>
#include <sys/shm.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <poll.h>
#include <setjmp.h>
#include "adi.h"
#define ONEKB 1024
#define PAT 0xdeadbeaf
#define MAPSIZE 8192
#define SHMSIZE 102400
#ifndef PROT_ADI
#define PROT_ADI 0x10
#endif
static int
memory_fill (char *addr, size_t size, int pattern)
{
long *aligned_addr = (long *) addr;
long i;
for (i = 0; i < size / sizeof (long); i += ONEKB)
{
*aligned_addr = pattern;
aligned_addr = aligned_addr + ONEKB;
}
return (0);
}
int main ()
{
char *haddr;
caddr_t vaddr;
int version;
/* Test ISM. */
int shmid = shmget (IPC_PRIVATE, SHMSIZE, IPC_CREAT | 0666);
if (shmid == -1)
exit(1);
char *shmaddr = (char *)shmat (shmid, NULL, 0x666 | SHM_RND);
if (shmaddr == (char *)-1)
{
shmctl (shmid, IPC_RMID, NULL);
exit(1);
}
/* Enable ADI on ISM segment. */
if (mprotect (shmaddr, SHMSIZE, PROT_READ|PROT_WRITE|PROT_ADI))
{
perror ("mprotect failed");
goto err_out;
}
if (memory_fill (shmaddr, SHMSIZE, PAT) != 0) /* line breakpoint here */
{
exit(1);
}
adi_clr_version (shmaddr, SHMSIZE);
caddr_t vshmaddr = adi_set_version (shmaddr, SHMSIZE, 0x8);
if (vshmaddr == 0)
exit(1);
/* Test mmap. */
int fd = open ("/dev/zero", O_RDWR);
if (fd < 0)
exit(1);
char *maddr = (char *)mmap (NULL, MAPSIZE, PROT_READ|PROT_WRITE,
MAP_PRIVATE, fd, 0);
if (maddr == (char *)-1)
exit(1);
/* Enable ADI. */
if (mprotect (shmaddr, MAPSIZE, PROT_READ|PROT_WRITE|PROT_ADI))
{
perror ("mprotect failed");
goto err_out;
}
if (memory_fill (maddr, MAPSIZE, PAT) != 0)
exit(1);
caddr_t vmaddr = adi_set_version (maddr, MAPSIZE, 0x8);
/* Test heap. */
haddr = (char*) memalign (MAPSIZE, MAPSIZE);
/* Enable ADI. */
if (mprotect (shmaddr, MAPSIZE, PROT_READ|PROT_WRITE|PROT_ADI))
{
perror ("mprotect failed");
goto err_out;
}
if (memory_fill (haddr, MAPSIZE, PAT) != 0)
exit(1);
adi_clr_version (haddr, MAPSIZE);
/* Set some ADP version number. */
caddr_t vaddr1, vaddr2, vaddr3, vaddr4;
vaddr = adi_set_version (haddr, 64*2, 0x8);
vaddr1 = adi_set_version (haddr+64*2, 64*2, 0x9);
vaddr2 = adi_clr_version (haddr+64*4, 64*2);
vaddr3 = adi_set_version (haddr+64*6, 64*2, 0xa);
vaddr4 = adi_set_version (haddr+64*8, 64*10, 0x3);
if (vaddr == 0)
exit(1);
char *versioned_p = vaddr;
*versioned_p = 'a';
char *uvp = haddr; // unversioned pointer
*uvp = 'b'; // version mismatch trap
return (0);
err_out:
if (shmdt ((const void *)shmaddr) != 0)
perror ("Detach failure");
shmctl (shmid, IPC_RMID, NULL);
exit (1);
}
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