146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/* Application Data Integrity (ADI) test in sparc64.
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Copyright 2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <pthread.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <sys/errno.h>
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#include <sys/utsname.h>
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#include <sys/param.h>
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#include <malloc.h>
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#include <string.h>
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#include <signal.h>
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#include <sys/shm.h>
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#include <errno.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <poll.h>
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#include <setjmp.h>
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#include "adi.h"
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#define ONEKB 1024
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#define PAT 0xdeadbeaf
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#define MAPSIZE 8192
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#define SHMSIZE 102400
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#ifndef PROT_ADI
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#define PROT_ADI 0x10
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#endif
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static int
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memory_fill (char *addr, size_t size, int pattern)
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{
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long *aligned_addr = (long *) addr;
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long i;
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for (i = 0; i < size / sizeof (long); i += ONEKB)
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{
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*aligned_addr = pattern;
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aligned_addr = aligned_addr + ONEKB;
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}
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return (0);
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}
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int main ()
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{
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char *haddr;
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caddr_t vaddr;
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int version;
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/* Test ISM. */
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int shmid = shmget (IPC_PRIVATE, SHMSIZE, IPC_CREAT | 0666);
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if (shmid == -1)
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exit(1);
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char *shmaddr = (char *)shmat (shmid, NULL, 0x666 | SHM_RND);
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if (shmaddr == (char *)-1)
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{
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shmctl (shmid, IPC_RMID, NULL);
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exit(1);
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}
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/* Enable ADI on ISM segment. */
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if (mprotect (shmaddr, SHMSIZE, PROT_READ|PROT_WRITE|PROT_ADI))
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{
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perror ("mprotect failed");
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goto err_out;
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}
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if (memory_fill (shmaddr, SHMSIZE, PAT) != 0) /* line breakpoint here */
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{
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exit(1);
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}
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adi_clr_version (shmaddr, SHMSIZE);
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caddr_t vshmaddr = adi_set_version (shmaddr, SHMSIZE, 0x8);
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if (vshmaddr == 0)
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exit(1);
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/* Test mmap. */
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int fd = open ("/dev/zero", O_RDWR);
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if (fd < 0)
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exit(1);
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char *maddr = (char *)mmap (NULL, MAPSIZE, PROT_READ|PROT_WRITE,
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MAP_PRIVATE, fd, 0);
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if (maddr == (char *)-1)
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exit(1);
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/* Enable ADI. */
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if (mprotect (shmaddr, MAPSIZE, PROT_READ|PROT_WRITE|PROT_ADI))
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{
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perror ("mprotect failed");
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goto err_out;
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}
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if (memory_fill (maddr, MAPSIZE, PAT) != 0)
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exit(1);
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caddr_t vmaddr = adi_set_version (maddr, MAPSIZE, 0x8);
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/* Test heap. */
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haddr = (char*) memalign (MAPSIZE, MAPSIZE);
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/* Enable ADI. */
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if (mprotect (shmaddr, MAPSIZE, PROT_READ|PROT_WRITE|PROT_ADI))
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{
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perror ("mprotect failed");
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goto err_out;
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}
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if (memory_fill (haddr, MAPSIZE, PAT) != 0)
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exit(1);
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adi_clr_version (haddr, MAPSIZE);
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/* Set some ADP version number. */
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caddr_t vaddr1, vaddr2, vaddr3, vaddr4;
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vaddr = adi_set_version (haddr, 64*2, 0x8);
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vaddr1 = adi_set_version (haddr+64*2, 64*2, 0x9);
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vaddr2 = adi_clr_version (haddr+64*4, 64*2);
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vaddr3 = adi_set_version (haddr+64*6, 64*2, 0xa);
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vaddr4 = adi_set_version (haddr+64*8, 64*10, 0x3);
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if (vaddr == 0)
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exit(1);
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char *versioned_p = vaddr;
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*versioned_p = 'a';
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char *uvp = haddr; // unversioned pointer
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*uvp = 'b'; // version mismatch trap
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return (0);
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err_out:
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if (shmdt ((const void *)shmaddr) != 0)
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perror ("Detach failure");
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shmctl (shmid, IPC_RMID, NULL);
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exit (1);
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}
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