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 (at] altlinux.org> 7 # Copyright (c) 2015-2018 The strace developers. 8 # All rights reserved. 9 # 10 # Redistribution and use in source and binary forms, with or without 11 # modification, are permitted provided that the following conditions 12 # are met: 13 # 1. Redistributions of source code must retain the above copyright 14 # notice, this list of conditions and the following disclaimer. 15 # 2. Redistributions in binary form must reproduce the above copyright 16 # notice, this list of conditions and the following disclaimer in the 17 # documentation and/or other materials provided with the distribution. 18 # 3. The name of the author may not be used to endorse or promote products 19 # derived from this software without specific prior written permission. 20 # 21 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 32 . "${srcdir=.}/init.sh" 33 34 check_prog grep 35 check_prog sed 36 run_prog > /dev/null 37 38 xlat_opt="" 39 [ "$#" -gt 0 ] && xlat_opt="-X$1" 40 align=20 41 [ "$#" -gt 1 ] && align="$2" 42 43 syscall= 44 for n in mmap mmap2; do 45 $STRACE -e$n -h > /dev/null && syscall=$syscall,$n 46 done 47 run_strace -e$syscall $args > /dev/null 48 49 if grep '^mmap(NULL, 0, \(0 /* PROT_NONE */\|0\|PROT_NONE\),' < "$LOG" > /dev/null; then 50 mmap=mmap 51 elif grep '^mmap2(NULL, 0, \(0 \/\* PROT_NONE \*\/\|0\|PROT_NONE\),' < "$LOG" > /dev/null; then 52 mmap=mmap2 53 else 54 dump_log_and_fail_with "mmap/mmap2 not found in $STRACE $args output" 55 fi 56 57 syscall=$mmap,madvise,mlockall,mprotect,mremap,msync,munmap 58 59 run_prog "../$NAME" $mmap > /dev/null 60 run_strace -a$align -e$syscall $xlat_opt $args > "$EXP" 61 sed -n "/^$mmap(NULL, 0, \(0 \/\* PROT_NONE \*\/\|0\|PROT_NONE\),/,\$p" < "$LOG" > "$OUT" 62 match_diff "$OUT" "$EXP" 63
