granicus.if.org Git - strace/blob - tests/pkey_alloc.c

   1 /*
   2  * Check decoding of pkey_alloc syscall.
   3  *
   4  * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
   5  * Copyright (c) 2016-2019 The strace developers.
   6  * All rights reserved.
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10
  11 #include "tests.h"
  12 #include "scno.h"
  13
  14 #ifdef __NR_pkey_alloc
  15
  16 # include <stdio.h>
  17 # include <unistd.h>
  18
  19 int
  20 main(void)
  21 {
  22         static const kernel_ulong_t flags[] = {
  23                 0,
  24                 (kernel_ulong_t) 0xbadc0ded00000000ULL,
  25                 (kernel_ulong_t) 0xffff0000eeee1111ULL,
  26                 (kernel_ulong_t) 0x123456789abcdef0ULL,
  27         };
  28         static const struct {
  29                 kernel_ulong_t val;
  30                 const char *str;
  31         } rights[] = {
  32                 { (kernel_ulong_t) 0xbadc0ded00000002ULL,
  33                         sizeof(kernel_ulong_t) > sizeof(int) ?
  34                         "PKEY_DISABLE_WRITE|0xbadc0ded00000000" :
  35                         "PKEY_DISABLE_WRITE" },
  36                 { 0xdec0ded, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_EXECUTE|"
  37                                 "0xdec0de8" },
  38                 { 0x7, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE|"
  39                                 "PKEY_DISABLE_EXECUTE" },
  40                 { ARG_STR(0) },
  41                 { 0xbadc0de8, "0xbadc0de8 /* PKEY_??? */" },
  42         };
  43
  44         long rc;
  45         unsigned int i;
  46         unsigned int j;
  47
  48         for (i = 0; i < ARRAY_SIZE(flags); i++) {
  49                 for (j = 0; j < ARRAY_SIZE(rights); j++) {
  50                         rc = syscall(__NR_pkey_alloc, flags[i], rights[j].val);
  51                         printf("pkey_alloc(%#llx, %s) = %s\n",
  52                                (unsigned long long) flags[i], rights[j].str,
  53                                sprintrc(rc));
  54                 }
  55         }
  56
  57         puts("+++ exited with 0 +++");
  58
  59         return 0;
  60 }
  61
  62 #else
  63
  64 SKIP_MAIN_UNDEFINED("__NR_pkey_alloc");
  65
  66 #endif