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/*
* Check decoding of prctl PR_SVE_SET_VL/PR_SVE_GET_VL operations.
*
* Copyright (c) 2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include <stdio.h>
#include <unistd.h>
#include <linux/prctl.h>
int
main(void)
{
long rc;
prctl_marker();
rc = syscall(__NR_prctl, PR_SVE_SET_VL, 0xf);
printf("prctl(PR_SVE_SET_VL, %#lx) = %s\n", (unsigned long) 0xf,
sprintrc(rc));
rc = syscall(__NR_prctl, PR_SVE_SET_VL, 0xff);
printf("prctl(PR_SVE_SET_VL, %#lx) = %s\n", (unsigned long) 0xff,
sprintrc(rc));
rc = syscall(__NR_prctl, PR_SVE_SET_VL, PR_SVE_SET_VL_ONEXEC | 0xff);
printf("prctl(PR_SVE_SET_VL, PR_SVE_SET_VL_ONEXEC|%#lx) = %s\n",
(unsigned long) 0xff, sprintrc(rc));
rc = syscall(__NR_prctl, PR_SVE_SET_VL, PR_SVE_VL_INHERIT | 0xff);
printf("prctl(PR_SVE_SET_VL, PR_SVE_VL_INHERIT|%#lx) = %s\n",
(unsigned long) 0xff, sprintrc(rc));
rc = syscall(__NR_prctl, PR_SVE_SET_VL,
PR_SVE_SET_VL_ONEXEC | PR_SVE_VL_INHERIT | 0xff);
printf("prctl(PR_SVE_SET_VL, "
"PR_SVE_SET_VL_ONEXEC|PR_SVE_VL_INHERIT|%#lx) = %s\n",
(unsigned long) 0xff, sprintrc(rc));
rc = syscall(__NR_prctl, PR_SVE_GET_VL);
printf("prctl(PR_SVE_GET_VL) = ");
if (rc >= 0) {
printf("%#lx", rc);
if (rc > 0xffff) {
printf(" (");
if (rc & PR_SVE_SET_VL_ONEXEC)
printf("PR_SVE_SET_VL_ONEXEC");
if (rc & PR_SVE_VL_INHERIT) {
printf("%sPR_SVE_VL_INHERIT",
rc & PR_SVE_SET_VL_ONEXEC ? "|" : "");
}
if (rc & ~0x6ffffU) {
printf("%s%#lx",
rc & 0x60000 ? "|" : "", rc & ~0x6ffffU);
}
printf("|%#lx)\n", rc & 0xffffU);
} else {
puts("");
}
} else {
puts(sprintrc(rc));
}
puts("+++ exited with 0 +++");
return 0;
}
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