gdb/testsuite/gdb.arch/sparc64-adi.c

   1 /* Application Data Integrity (ADI) test in sparc64.
   2
   3    Copyright 2017-2019 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <errno.h>
  23 #include <pthread.h>
  24 #include <sys/types.h>
  25 #include <sys/wait.h>
  26 #include <unistd.h>
  27 #include <sys/errno.h>
  28 #include <sys/utsname.h>
  29 #include <sys/param.h>
  30 #include <malloc.h>
  31 #include <string.h>
  32 #include <signal.h>
  33 #include <sys/shm.h>
  34 #include <errno.h>
  35 #include <sys/mman.h>
  36 #include <sys/stat.h>
  37 #include <fcntl.h>
  38 #include <poll.h>
  39 #include <setjmp.h>
  40 #include "adi.h"
  41
  42 #define ONEKB           1024
  43 #define PAT             0xdeadbeaf
  44
  45 #define MAPSIZE 8192
  46 #define SHMSIZE 102400
  47 #ifndef PROT_ADI
  48 #define PROT_ADI 0x10
  49 #endif
  50
  51 static int
  52 memory_fill (char *addr, size_t size, int pattern)
  53 {
  54   long *aligned_addr = (long *) addr;
  55   long i;
  56   for (i = 0; i < size / sizeof (long); i += ONEKB)
  57     {
  58       *aligned_addr = pattern;
  59       aligned_addr = aligned_addr + ONEKB;
  60     }
  61   return (0);
  62 }
  63
  64 int main ()
  65 {
  66   char *haddr;
  67   caddr_t vaddr;
  68   int   version;
  69
  70   /* Test ISM. */
  71   int shmid = shmget (IPC_PRIVATE, SHMSIZE, IPC_CREAT | 0666);
  72   if (shmid == -1)
  73     exit(1);
  74   char *shmaddr = (char *)shmat (shmid, NULL, 0x666 | SHM_RND);
  75   if (shmaddr == (char *)-1)
  76     {
  77       shmctl (shmid, IPC_RMID, NULL);
  78       exit(1);
  79     }
  80   /* Enable ADI on ISM segment. */
  81   if (mprotect (shmaddr, SHMSIZE, PROT_READ|PROT_WRITE|PROT_ADI))
  82     {
  83       perror ("mprotect failed");
  84       goto err_out;
  85     }
  86   if (memory_fill (shmaddr, SHMSIZE, PAT) != 0) /* line breakpoint here */
  87     {
  88       exit(1);
  89     }
  90   adi_clr_version (shmaddr, SHMSIZE);
  91   caddr_t vshmaddr = adi_set_version (shmaddr, SHMSIZE, 0x8);
  92   if (vshmaddr == 0)
  93     exit(1);
  94   /* Test mmap. */
  95   int fd = open ("/dev/zero", O_RDWR);
  96   if (fd < 0)
  97     exit(1);
  98   char *maddr = (char *)mmap (NULL, MAPSIZE, PROT_READ|PROT_WRITE,
  99                               MAP_PRIVATE, fd, 0);
 100   if (maddr == (char *)-1)
 101     exit(1);
 102   /* Enable ADI. */
 103   if (mprotect (shmaddr, MAPSIZE, PROT_READ|PROT_WRITE|PROT_ADI))
 104     {
 105       perror ("mprotect failed");
 106       goto err_out;
 107
 108     }
 109   if (memory_fill (maddr, MAPSIZE, PAT) != 0)
 110     exit(1);
 111   caddr_t vmaddr = adi_set_version (maddr, MAPSIZE, 0x8);
 112
 113   /* Test heap. */
 114   haddr = (char*) memalign (MAPSIZE, MAPSIZE);
 115   /* Enable ADI. */
 116   if (mprotect (shmaddr, MAPSIZE, PROT_READ|PROT_WRITE|PROT_ADI))
 117     {
 118       perror ("mprotect failed");
 119       goto err_out;
 120     }
 121
 122   if (memory_fill (haddr, MAPSIZE, PAT) != 0)
 123     exit(1);
 124   adi_clr_version (haddr, MAPSIZE);
 125   /* Set some ADP version number. */
 126   caddr_t vaddr1, vaddr2, vaddr3, vaddr4;
 127   vaddr = adi_set_version (haddr, 64*2, 0x8);
 128   vaddr1 = adi_set_version (haddr+64*2, 64*2, 0x9);
 129   vaddr2 = adi_clr_version (haddr+64*4, 64*2);
 130   vaddr3 = adi_set_version (haddr+64*6, 64*2, 0xa);
 131   vaddr4 = adi_set_version (haddr+64*8, 64*10, 0x3);
 132   if (vaddr == 0)
 133     exit(1);
 134   char *versioned_p = vaddr;
 135   *versioned_p = 'a';
 136   char *uvp = haddr;    // unversioned pointer
 137   *uvp = 'b';           // version mismatch trap
 138
 139   return (0);
 140 err_out:
 141   if (shmdt ((const void *)shmaddr) != 0)
 142     perror ("Detach failure");
 143   shmctl (shmid, IPC_RMID, NULL);
 144   exit (1);
 145 }