| Elliott Hughes | d35df49 | 2017-02-15 15:19:05 -0800 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | # |
| 3 | # Check mmap/mmap2, madvise, mlockall, mprotect, mremap, msync, and munmap |
| 4 | # syscalls decoding. |
| 5 | # |
| 6 | # Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org> |
| 7 | # All rights reserved. |
| 8 | # |
| 9 | # Redistribution and use in source and binary forms, with or without |
| 10 | # modification, are permitted provided that the following conditions |
| 11 | # are met: |
| 12 | # 1. Redistributions of source code must retain the above copyright |
| 13 | # notice, this list of conditions and the following disclaimer. |
| 14 | # 2. Redistributions in binary form must reproduce the above copyright |
| 15 | # notice, this list of conditions and the following disclaimer in the |
| 16 | # documentation and/or other materials provided with the distribution. |
| 17 | # 3. The name of the author may not be used to endorse or promote products |
| 18 | # derived from this software without specific prior written permission. |
| 19 | # |
| 20 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 21 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 22 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 23 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 24 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 25 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 29 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | |
| 31 | . "${srcdir=.}/init.sh" |
| 32 | |
| 33 | check_prog grep |
| 34 | check_prog sed |
| 35 | run_prog > /dev/null |
| 36 | |
| 37 | syscall= |
| 38 | for n in mmap mmap2; do |
| 39 | $STRACE -e$n -h > /dev/null && syscall=$syscall,$n |
| 40 | done |
| 41 | run_strace -e$syscall $args > /dev/null |
| 42 | |
| 43 | if grep '^mmap(NULL, 0, PROT_NONE,' < "$LOG" > /dev/null; then |
| 44 | mmap=mmap |
| 45 | elif grep '^mmap2(NULL, 0, PROT_NONE,' < "$LOG" > /dev/null; then |
| 46 | mmap=mmap2 |
| 47 | else |
| 48 | dump_log_and_fail_with "mmap/mmap2 not found in $STRACE $args output" |
| 49 | fi |
| 50 | |
| 51 | syscall=$mmap,madvise,mlockall,mprotect,mremap,msync,munmap |
| 52 | |
| 53 | run_prog "./$NAME" $mmap > /dev/null |
| 54 | run_strace -a20 -e$syscall $args > "$EXP" |
| 55 | sed -n "/^$mmap(NULL, 0, PROT_NONE,/,\$p" < "$LOG" > "$OUT" |
| 56 | match_diff "$OUT" "$EXP" |
| 57 | |
| 58 | rm -f "$EXP" "$OUT" |