1#! /usr/bin/env bash 2# Copyright (C) 2019 Red Hat, Inc. 3# This file is part of elfutils. 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# elfutils is distributed in the hope that it will be useful, but 11# 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. If not, see <http://www.gnu.org/licenses/>. 17 18. $srcdir/test-subr.sh 19 20# Only run on 64bit systems, 32bit systems don't support > 4GB 21# ELF files. 22long_bit=$(getconf LONG_BIT) 23echo "long_bit: $long_bit" 24if test $long_bit -ne 64; then 25 echo "Only 64bit systems can create > 4GB ELF files" 26 exit 77 27fi 28 29# These tests need lots of disk space since they test files > 4GB. 30# Skip if there just isn't enough (2.5 * 4 = 10GB). 31space_available=$[$(stat -f --format="%a*%S" .)/(1024 * 1024 * 1024)] 32echo "space_available: $space_available" 33if test $space_available -lt 10; then 34 echo "Not enough disk space, need at least 10GB available" 35 exit 77 36fi 37 38# Make sure the files fit into memory, assume 6GB needed (2.5 * 2 + 1 extra). 39# Running under valgrind might need even more. 40mem_needed=6 41if [ "x$VALGRIND_CMD" != "x" ]; then 42 mem_needed=$[${mem_needed} + 2] 43fi 44echo "mem_needed: $mem_needed" 45mem_available=$(free -g 2>/dev/null | grep ^Mem: | awk -F ' +' '{print $7}') 46echo "mem_available: $mem_available" 47if test -z "$mem_available" || test $mem_available -lt $mem_needed; then 48 echo "Need at least ${mem_needed}GB free available memory" 49 exit 77 50fi 51 52# Make sure the disk is reasonably fast, should be able to write 100MB/s 53fast_disk=1 54timeout -s9 10s dd conv=fsync if=/dev/zero of=tempfile bs=1M count=1K \ 55 || fast_disk=0; rm tempfile 56if test $fast_disk -eq 0; then 57 echo "File system not fast enough, need at least 100MB/s" 58 exit 77 59fi 60 61# NOTE: test file will be mangled and removed! 62test_file () 63{ 64 in_file="$1" 65 readelf_out="${in_file}.readelf.out" 66 out_file_strip="${in_file}.strip" 67 out_file_debug="${in_file}.debug" 68 69 testfiles ${in_file} 70 tempfiles ${readelf_out} ${out_file_mmap} ${out_file_strip} ${out_file_debug} 71 72 # Add two 2GB sections to the file. 73 echo "addsections 2 ${in_file} 2147483648" 74 testrun ${abs_builddir}/addsections 2 ${in_file} 2147483648 75 testrun ${abs_top_builddir}/src/readelf -S ${in_file} > ${readelf_out} 76 nr=$(grep '.extra' ${readelf_out} | wc -l) 77 if test ${nr} != 2; then 78 # Show what went wrong 79 cat ${readelf_out} 80 exit 1 81 fi 82 83 echo "strip -o ${out_file_strip} -f ${out_file_debug} ${in_file}" 84 testrun ${abs_top_builddir}/src/strip -o ${out_file_strip} \ 85 -f ${out_file_debug} ${in_file} 86 87 echo "elflint --gnu ${out_file_strip}" 88 testrun ${abs_top_builddir}/src/elflint --gnu ${out_file_strip} 89 90 echo "elflint --gnu -d ${out_file_debug}" 91 testrun ${abs_top_builddir}/src/elflint --gnu -d ${out_file_debug} 92 93 # Now test unstrip recombining those files. 94 echo "unstrip ${out_file_strip} ${out_file_debug}" 95 testrun ${abs_top_builddir}/src/unstrip ${out_file_strip} ${out_file_debug} 96 97 echo "elfcmp ${out_file} ${out_file_strip}" 98 testrun ${abs_top_builddir}/src/elfcmp ${in_file} ${out_file_debug} 99 100 # Remove the temp files immediately, they are big... 101 rm -f ${in_file} ${out_file_strip} ${out_file_debug} 102} 103 104# A collection of random testfiles to test 64bit, little/big endian 105# and non-ET_REL (with phdrs)/ET_REL (without phdrs). 106# Don't test 32bit, they cannot go beyond 4GB. 107 108# 64bit, little endian, rel 109test_file testfile38 110 111# 64bit, big endian, non-rel 112test_file testfile27 113 114exit 0 115