Dmitry V. Levin
c6782f144a
strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
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* Check decoding of pkey_alloc syscall.
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*
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* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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* Copyright (c) 2016-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#include "scno.h"
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#ifdef __NR_pkey_alloc
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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static const kernel_ulong_t flags[] = {
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0,
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(kernel_ulong_t) 0xbadc0ded00000000ULL,
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(kernel_ulong_t) 0xffff0000eeee1111ULL,
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(kernel_ulong_t) 0x123456789abcdef0ULL,
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};
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static const struct {
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kernel_ulong_t val;
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const char *str;
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} rights[] = {
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{ (kernel_ulong_t) 0xbadc0ded00000002ULL,
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sizeof(kernel_ulong_t) > sizeof(int) ?
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"PKEY_DISABLE_WRITE|0xbadc0ded00000000" :
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"PKEY_DISABLE_WRITE" },
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{ 0xdec0ded, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_EXECUTE|"
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"0xdec0de8" },
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{ 0x7, "PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE|"
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"PKEY_DISABLE_EXECUTE" },
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{ ARG_STR(0) },
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{ 0xbadc0de8, "0xbadc0de8 /* PKEY_??? */" },
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};
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long rc;
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unsigned int i;
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unsigned int j;
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for (i = 0; i < ARRAY_SIZE(flags); i++) {
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for (j = 0; j < ARRAY_SIZE(rights); j++) {
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rc = syscall(__NR_pkey_alloc, flags[i], rights[j].val);
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printf("pkey_alloc(%#llx, %s) = %s\n",
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(unsigned long long) flags[i], rights[j].str,
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sprintrc(rc));
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}
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}
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_pkey_alloc");
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#endif
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