| /* |
| * Copyright (c) 2003-2007 Ulrich Drepper <drepper@redhat.com> |
| * Copyright (c) 2005-2016 Dmitry V. Levin <ldv@altlinux.org> |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "defs.h" |
| |
| static void |
| get_nodes(struct tcb *tcp, unsigned long ptr, unsigned long maxnodes, int err) |
| { |
| unsigned long nlongs, size, end; |
| |
| nlongs = (maxnodes + 8 * sizeof(long) - 1) / (8 * sizeof(long)); |
| size = nlongs * sizeof(long); |
| end = ptr + size; |
| if (nlongs == 0 || ((err || verbose(tcp)) && (size * 8 == maxnodes) |
| && (end > ptr))) { |
| unsigned long n, cur, abbrev_end; |
| int failed = 0; |
| |
| if (abbrev(tcp)) { |
| abbrev_end = ptr + max_strlen * sizeof(long); |
| if (abbrev_end < ptr) |
| abbrev_end = end; |
| } else { |
| abbrev_end = end; |
| } |
| tprints(", {"); |
| for (cur = ptr; cur < end; cur += sizeof(long)) { |
| if (cur > ptr) |
| tprints(", "); |
| if (cur >= abbrev_end) { |
| tprints("..."); |
| break; |
| } |
| if (umoven(tcp, cur, sizeof(n), &n) < 0) { |
| tprints("?"); |
| failed = 1; |
| break; |
| } |
| tprintf("%#0*lx", (int) sizeof(long) * 2 + 2, n); |
| } |
| tprints("}"); |
| if (failed) { |
| tprints(" "); |
| printaddr(ptr); |
| } |
| } else { |
| tprints(" "); |
| printaddr(ptr); |
| } |
| tprintf(", %lu", maxnodes); |
| } |
| |
| SYS_FUNC(migrate_pages) |
| { |
| tprintf("%d, ", (int) tcp->u_arg[0]); |
| get_nodes(tcp, tcp->u_arg[2], tcp->u_arg[1], 0); |
| tprints(", "); |
| get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[1], 0); |
| |
| return RVAL_DECODED; |
| } |
| |
| #include "xlat/policies.h" |
| #include "xlat/mbindflags.h" |
| |
| SYS_FUNC(mbind) |
| { |
| printaddr(tcp->u_arg[0]); |
| tprintf(", %lu, ", tcp->u_arg[1]); |
| printxval(policies, tcp->u_arg[2], "MPOL_???"); |
| get_nodes(tcp, tcp->u_arg[3], tcp->u_arg[4], 0); |
| tprints(", "); |
| printflags(mbindflags, tcp->u_arg[5], "MPOL_???"); |
| |
| return RVAL_DECODED; |
| } |
| |
| SYS_FUNC(set_mempolicy) |
| { |
| printxval(policies, tcp->u_arg[0], "MPOL_???"); |
| get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], 0); |
| |
| return RVAL_DECODED; |
| } |
| |
| #include "xlat/mempolicyflags.h" |
| |
| SYS_FUNC(get_mempolicy) |
| { |
| if (exiting(tcp)) { |
| int pol; |
| if (!umove_or_printaddr(tcp, tcp->u_arg[0], &pol)) { |
| tprints("["); |
| printxval(policies, pol, "MPOL_???"); |
| tprints("]"); |
| } |
| get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp)); |
| tprints(", "); |
| printaddr(tcp->u_arg[3]); |
| tprints(", "); |
| printflags(mempolicyflags, tcp->u_arg[4], "MPOL_???"); |
| } |
| return 0; |
| } |
| |
| #include "xlat/move_pages_flags.h" |
| |
| SYS_FUNC(move_pages) |
| { |
| if (entering(tcp)) { |
| unsigned long npages = tcp->u_arg[1]; |
| tprintf("%ld, %lu, ", tcp->u_arg[0], npages); |
| if (tcp->u_arg[2] == 0) |
| tprints("NULL, "); |
| else { |
| unsigned int i; |
| long puser = tcp->u_arg[2]; |
| tprints("{"); |
| for (i = 0; i < npages; ++i) { |
| void *p; |
| if (i > 0) |
| tprints(", "); |
| if (umove(tcp, puser, &p) < 0) { |
| tprints("???"); |
| break; |
| } |
| tprintf("%p", p); |
| puser += sizeof(void *); |
| } |
| tprints("}, "); |
| } |
| if (tcp->u_arg[3] == 0) |
| tprints("NULL, "); |
| else { |
| unsigned int i; |
| long nodeuser = tcp->u_arg[3]; |
| tprints("{"); |
| for (i = 0; i < npages; ++i) { |
| int node; |
| if (i > 0) |
| tprints(", "); |
| if (umove(tcp, nodeuser, &node) < 0) { |
| tprints("???"); |
| break; |
| } |
| tprintf("%#x", node); |
| nodeuser += sizeof(int); |
| } |
| tprints("}, "); |
| } |
| } else { |
| unsigned long npages = tcp->u_arg[1]; |
| if (tcp->u_arg[4] == 0) |
| tprints("NULL, "); |
| else { |
| unsigned int i; |
| long statususer = tcp->u_arg[4]; |
| tprints("{"); |
| for (i = 0; i < npages; ++i) { |
| int status; |
| if (i > 0) |
| tprints(", "); |
| if (umove(tcp, statususer, &status) < 0) { |
| tprints("???"); |
| break; |
| } |
| tprintf("%#x", status); |
| statususer += sizeof(int); |
| } |
| tprints("}, "); |
| } |
| printflags(move_pages_flags, tcp->u_arg[5], "MPOL_???"); |
| } |
| return 0; |
| } |