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      1 #! /bin/sh -efu
      2 #
      3 # Common code for per-personality qualification tests
      4 #
      5 # Copyright (c) 2018 The strace developers.
      6 # All rights reserved.
      7 #
      8 # Redistribution and use in source and binary forms, with or without
      9 # modification, are permitted provided that the following conditions
     10 # are met:
     11 # 1. Redistributions of source code must retain the above copyright
     12 #    notice, this list of conditions and the following disclaimer.
     13 # 2. Redistributions in binary form must reproduce the above copyright
     14 #    notice, this list of conditions and the following disclaimer in the
     15 #    documentation and/or other materials provided with the distribution.
     16 # 3. The name of the author may not be used to endorse or promote products
     17 #    derived from this software without specific prior written permission.
     18 #
     19 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     20 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     21 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     23 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     24 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29 
     30 . "${srcdir=.}/init.sh"
     31 
     32 [ 2 -le "$#" ] ||
     33 	fail_ 'No personality designation ("64", "32", "x32") specified'
     34 
     35 pers="$1"
     36 shift
     37 trace_expr="$1"
     38 shift
     39 skip="${1-}"
     40 
     41 case "$STRACE_NATIVE_ARCH" in
     42 x86_64)
     43 	supported_pers='64 32 x32'
     44 	;;
     45 x32)
     46 	supported_pers='x32 32'
     47 	;;
     48 aarch64|powerpc64|riscv|s390x|sparc64|tile)
     49 	supported_pers='64 32'
     50 	;;
     51 *)
     52 	supported_pers="$(($SIZEOF_LONG * 8))"
     53 	;;
     54 esac
     55 
     56 # Detect current personality designation
     57 if [ "x$STRACE_NATIVE_ARCH" = "x$STRACE_ARCH" ]; then
     58 	case "$STRACE_NATIVE_ARCH" in
     59 	x32)
     60 		cur_pers=x32
     61 		;;
     62 	*)
     63 		cur_pers="$(($SIZEOF_LONG * 8))"
     64 		;;
     65 	esac
     66 else
     67 	if [ "x$SIZEOF_KERNEL_LONG_T" = "x$SIZEOF_LONG" ]; then
     68 		[ 4 -eq "$SIZEOF_LONG" ] ||
     69 			fail_ "sizeof(long) = $SIZEOF_LONG != 4"
     70 		cur_pers=32
     71 	else
     72 		[ 8 -eq "$SIZEOF_KERNEL_LONG_T" ] ||
     73 			fail_ "sizeof(kernel_long_t) = $SIZEOF_KERNEL_LONG_T != 8"
     74 		[ 4 -eq "$SIZEOF_LONG" ] ||
     75 			fail_ "sizeof(long) = $SIZEOF_LONG != 4"
     76 		cur_pers=x32
     77 	fi
     78 fi
     79 
     80 pers_found=0
     81 set -- $supported_pers
     82 for i; do
     83 	[ "x$pers" != "x$i" ] || pers_found=1
     84 done
     85 
     86 [ "$pers_found" = 1 ] ||
     87 	skip_ "Personality '$pers' is not supported on architecture" \
     88 	      "'$STRACE_NATIVE_ARCH' (supported personalities: $supported_pers)"
     89 
     90 # If tested personality is not equivalent to current personality, reset $NAME,
     91 # so "$NAME.in", which is used by test_trace_expr, points to an empty file.
     92 [ "x$pers" = "x$cur_pers" ] || NAME=qualify_personality_empty
     93 
     94 test_trace_expr "$skip" -e trace="${trace_expr}@${pers}"
     95