1#! /usr/bin/env bash 2# Copyright (C) 2019 Red Hat, Inc. 3# Copyright (C) 2022 Mark J. Wielaard <mark@klomp.org> 4# This file is part of elfutils. 5# 6# This file is free software; you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation; either version 3 of the License, or 9# (at your option) any later version. 10# 11# elfutils is distributed in the hope that it will be useful, but 12# WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15# 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <http://www.gnu.org/licenses/>. 18 19. $srcdir/test-subr.sh 20 21# Only run on 64bit systems, 32bit systems don't support > 4GB 22# ELF files. 23long_bit=$(getconf LONG_BIT) 24echo "long_bit: $long_bit" 25if test $long_bit -ne 64; then 26 echo "Only 64bit systems can create > 4GB ELF files" 27 exit 77 28fi 29 30# The test binary also needs to be 64bits itself 31elfclass=64 32testrun ${abs_top_builddir}/src/readelf -h ${abs_builddir}/addsections | grep ELF32 \ 33 && elfclass=32 34echo elfclass: $elfclass 35if test $elfclass -ne 64; then 36 echo "Only 64bit binaries can create > 4GB ELF files" 37 exit 77 38fi 39 40# These tests need lots of disk space since they test files > 4GB. 41# Skip if there just isn't enough (2.5 * 4 = 10GB). 42space_available=$[$(stat -f --format="%a*%S" .)/(1024 * 1024 * 1024)] 43echo "space_available: $space_available" 44if test $space_available -lt 10; then 45 echo "Not enough disk space, need at least 10GB available" 46 exit 77 47fi 48 49# Make sure the files fit into memory, assume 6GB needed (2.5 * 2 + 1 extra). 50# Running under valgrind might need even more. 51mem_needed=6 52if [ "x$VALGRIND_CMD" != "x" ]; then 53 mem_needed=$[${mem_needed} + 2] 54fi 55echo "mem_needed: $mem_needed" 56mem_available=$(free -g 2>/dev/null | grep ^Mem: | awk -F ' +' '{print $7}') 57echo "mem_available: $mem_available" 58if test -z "$mem_available" || test $mem_available -lt $mem_needed; then 59 echo "Need at least ${mem_needed}GB free available memory" 60 exit 77 61fi 62 63# Make sure the disk is reasonably fast, should be able to write 100MB/s 64fast_disk=1 65timeout -s9 10s dd conv=fsync if=/dev/zero of=tempfile bs=1M count=1K \ 66 || fast_disk=0; rm tempfile 67if test $fast_disk -eq 0; then 68 echo "File system not fast enough, need at least 100MB/s" 69 exit 77 70fi 71 72# NOTE: test file will be mangled and removed! 73test_file () 74{ 75 in_file="$1" 76 readelf_out="${in_file}.readelf.out" 77 out_file_strip="${in_file}.strip" 78 out_file_debug="${in_file}.debug" 79 80 testfiles ${in_file} 81 tempfiles ${readelf_out} ${out_file_mmap} ${out_file_strip} ${out_file_debug} 82 83 # Add two 2GB sections to the file. 84 echo "addsections 2 ${in_file} 2147483648" 85 testrun ${abs_builddir}/addsections 2 ${in_file} 2147483648 86 testrun ${abs_top_builddir}/src/readelf -S ${in_file} > ${readelf_out} 87 nr=$(grep '.extra' ${readelf_out} | wc -l) 88 if test ${nr} != 2; then 89 # Show what went wrong 90 cat ${readelf_out} 91 exit 1 92 fi 93 94 echo "strip -o ${out_file_strip} -f ${out_file_debug} ${in_file}" 95 testrun ${abs_top_builddir}/src/strip -o ${out_file_strip} \ 96 -f ${out_file_debug} ${in_file} 97 98 echo "elflint --gnu ${out_file_strip}" 99 testrun ${abs_top_builddir}/src/elflint --gnu ${out_file_strip} 100 101 echo "elflint --gnu -d ${out_file_debug}" 102 testrun ${abs_top_builddir}/src/elflint --gnu -d ${out_file_debug} 103 104 # Now test unstrip recombining those files. 105 echo "unstrip ${out_file_strip} ${out_file_debug}" 106 testrun ${abs_top_builddir}/src/unstrip ${out_file_strip} ${out_file_debug} 107 108 echo "elfcmp ${out_file} ${out_file_strip}" 109 testrun ${abs_top_builddir}/src/elfcmp ${in_file} ${out_file_debug} 110 111 # Remove the temp files immediately, they are big... 112 rm -f ${in_file} ${out_file_strip} ${out_file_debug} 113} 114 115# A collection of random testfiles to test 64bit, little/big endian 116# and non-ET_REL (with phdrs)/ET_REL (without phdrs). 117# Don't test 32bit, they cannot go beyond 4GB. 118 119# 64bit, little endian, rel 120test_file testfile38 121 122# 64bit, big endian, non-rel 123test_file testfile27 124 125exit 0 126