/* * 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 #include #include 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) = %s", sprintrc(rc)); if (rc >= 0) { printf(" (PR_SVE_SET_VL_ONEXEC|PR_SVE_VL_INHERIT|%#lx)", (unsigned long) 0xff); } puts(""); puts("+++ exited with 0 +++"); return 0; }