gprofng/libcollector/CHK_LIBC_OBJ

   1 #!/bin/sh
   2 #
   3 #   Copyright (C) 2021 Free Software Foundation, Inc.
   4 #
   5 # This file is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; see the file COPYING3.  If not see
  17 # <http://www.gnu.org/licenses/>.
  18
  19 #
  20 # CHK_LIBC_OBJ  -- a script to scan the .o's in an output directory,
  21 #       which is one of ../{intel-S2,sparc-S2,intel-Linux,sparc-Linux}
  22 #
  23 #       usage: cd to the output directory, and invoke ../src/CHK_LIBC_OBJ
  24
  25
  26 check_obj() {
  27     logF="nm.`basename $1`.log"
  28     if [ `uname` = 'Linux' ]; then
  29         nm $1 | grep -v GLIBC_ > ${logF}
  30     else
  31         nm $1 > ${logF}
  32     fi
  33
  34     FUNC_LIST="strcpy strlcpy strncpy strcat strlcat strncat strncmp strlen \
  35                strerror strchr strrchr strpbrk strstr strtok strtok_r \
  36                printf fprintf sprintf snprintf asprintf  wsprintf \
  37                vprintf vfprintf vsprintf vsnprintf vasprintf \
  38                memset memcmp memcpy strtol strtoll strtoul strtoull \
  39                getcpuid calloc malloc free strdup"
  40     res=0
  41     echo " -- Checking Object file '$1' for functions from libc"
  42     for j in `echo ${FUNC_LIST}` ; do
  43         grep -w ${j} ${logF} | grep UNDEF> grep.log 2>&1
  44         if [ $? -eq 0 ]; then
  45             grep -w ${j} ${logF}
  46             res=1
  47         fi
  48     done
  49     return ${res}
  50 }
  51
  52 STATUS=0
  53
  54 for i in *.o ; do
  55     echo ""
  56     check_obj ${i}
  57     res=$?
  58     if [ ${res} -eq 0 ]; then
  59         echo "Object file ${i} does not reference functions in libc"
  60     else
  61         echo "======Object file: ${i} DOES reference functions in libc"
  62     fi
  63     if [ ${STATUS} -eq 0 ]; then
  64         STATUS=${res}
  65     fi
  66 done
  67
  68 for i in *.so ; do
  69     echo ""
  70     check_obj ${i}
  71     res=$?
  72     if [ ${res} -eq 0 ]; then
  73         echo "Object file ${i} does not reference functions in libc"
  74     else
  75         echo "======Object file: ${i} DOES reference functions in libc"
  76     fi
  77     if [ ${STATUS} -eq 0 ]; then
  78         STATUS=${res}
  79     fi
  80 done
  81
  82 exit $STATUS