granicus.if.org Git - strace/blob - mpers.sh

   1 #!/bin/sh -e
   2 #
   3 # Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 # 3. The name of the author may not be used to endorse or promote products
  15 #    derived from this software without specific prior written permission.
  16 #
  17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27
  28 export LC_ALL=C
  29
  30 MPERS_AWK="${0%/*}/mpers.awk"
  31 ARCH_FLAG=$1
  32 PARSER_FILE=$2
  33
  34 CC="${CC-gcc}"
  35 CFLAGS="$CFLAGS -gdwarf-2 -c"
  36 CPP="${CPP-$CC -E}"
  37 CPPFLAGS="$CPPFLAGS -MM -MG"
  38
  39 VAR_NAME='mpers_target_var'
  40 BITS_DIR="mpers${ARCH_FLAG}"
  41
  42 mkdir -p ${BITS_DIR}
  43 set -- $(sed -r -n \
  44         's/^#[[:space:]]*include[[:space:]]+DEF_MPERS_TYPE\(([^)[:space:]]*)\)$/\1/p' \
  45                 "${PARSER_FILE}")
  46 for m_type; do
  47         f_h="${BITS_DIR}/${m_type}.h"
  48         f_c="${BITS_DIR}/${m_type}.c"
  49         f_i="${BITS_DIR}/${m_type}.i"
  50         f_o="${BITS_DIR}/${m_type}.o"
  51         f_d1="${BITS_DIR}/${m_type}.d1"
  52         f_d2="${BITS_DIR}/${m_type}.d2"
  53         sed -e '
  54                 /DEF_MPERS_TYPE('"${m_type}"')$/n
  55                 /DEF_MPERS_TYPE/d
  56                 /^[[:space:]]*#[[:space:]]*include[[:space:]]*"xlat\//d
  57                 /^#[[:space:]]*include[[:space:]][[:space:]]*MPERS_DEFS$/ {s//'"${m_type} ${VAR_NAME}"';/;q}
  58                 ' "${PARSER_FILE}" > "${f_c}"
  59         $CPP $CPPFLAGS "${f_c}" > "${f_i}"
  60         grep -F -q "${m_type}.h" "${f_i}" ||
  61                 continue
  62         sed -i -e '/DEF_MPERS_TYPE/d' "${f_c}"
  63         $CC $CFLAGS $ARCH_FLAG "${f_c}" -o "${f_o}"
  64         readelf --debug-dump=info "${f_o}" > "${f_d1}"
  65         sed -r -n '
  66                 /^[[:space:]]*<1>/,/^[[:space:]]*<1><[^>]+>: Abbrev Number: 0/!d
  67                 /^[[:space:]]*<[^>]*><[^>]*>: Abbrev Number: 0/d
  68                 s/^[[:space:]]*<[[:xdigit:]]+>[[:space:]]+//
  69                 s/^[[:space:]]*((<[[:xdigit:]]+>){2}):[[:space:]]+/\1\n/
  70                 s/[[:space:]]+$//
  71                 p' "${f_d1}" > "${f_d2}"
  72         gawk -v VAR_NAME="$VAR_NAME" -v ARCH_FLAG="${ARCH_FLAG#-}" \
  73                 -f "$MPERS_AWK" "${f_d2}" > "${f_h}"
  74 done