1#! /bin/sh
2# Copyright (C) 2011, 2013 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
20testfiles hello_i386.ko hello_x86_64.ko hello_ppc64.ko hello_s390.ko \
21	hello_aarch64.ko
22
23tempfiles readelf.out readelf.out1 readelf.out2
24tempfiles out.stripped1 out.debug1 out.stripped2 out.debug2
25
26status=0
27runtest() {
28  infile=$1
29  is_ET_REL=$2
30  outfile1=out.stripped1
31  debugfile1=out.debug1
32  outfile2=out.stripped2
33  debugfile2=out.debug2
34
35  testrun ${abs_top_builddir}/src/strip -o $outfile1 -f $debugfile1 $infile ||
36  { echo "*** failure strip $infile"; status=1; }
37
38  testrun ${abs_top_builddir}/src/strip --reloc-debug-sections -o $outfile2 \
39	-f $debugfile2 $infile ||
40  { echo "*** failure strip --reloc-debug-sections $infile"; status=1; }
41
42  # shouldn't make any difference for stripped files.
43  testrun ${abs_top_builddir}/src/readelf -a $outfile1 > readelf.out ||
44  { echo "*** failure readelf -a outfile1 $infile"; status=1; }
45
46  testrun_compare ${abs_top_builddir}/src/readelf -a $outfile2 < readelf.out ||
47  { echo "*** failure compare stripped files $infile"; status=1; }
48
49  # debug files however should be smaller, when ET_REL.
50  SIZE1=$(stat -c%s $debugfile1)
51  SIZE2=$(stat -c%s $debugfile2)
52  test \( \( $is_ET_REL -eq 1 \) -a \( $SIZE1 -gt $SIZE2 \) \) \
53	-o \( \( $is_ET_REL -eq 0 \) -a \( $SIZE1 -eq $SIZE2 \) \) ||
54  { echo "*** failure --reloc-debug-sections not smaller $infile"; status=1; }
55
56  # Strip of DWARF section lines, offset will not match.
57  # Everything else should match.
58  testrun ${abs_top_builddir}/src/readelf -w $debugfile1 \
59	| grep -v ^DWARF\ section > readelf.out1 ||
60  { echo "*** failure readelf -w debugfile1 $infile"; status=1; }
61
62  testrun ${abs_top_builddir}/src/readelf -w $debugfile2 \
63	| grep -v ^DWARF\ section > readelf.out2 ||
64  { echo "*** failure readelf -w debugfile2 $infile"; status=1; }
65
66  testrun_compare cat readelf.out1 < readelf.out2 ||
67  { echo "*** failure readelf -w compare $infile"; status=1; }
68}
69
70# Most simple hello world kernel module for various architectures.
71# ::::::::::::::
72# Makefile
73# ::::::::::::::
74# obj-m	:= hello.o
75# hello-y := init.o exit.o
76# 
77# all:
78# 	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
79# ::::::::::::::
80# init.c
81# ::::::::::::::
82# #include <linux/kernel.h>
83# #include <linux/module.h>
84# 
85# int init_module(void)
86# {
87#   printk(KERN_INFO "Hello, world!\n");
88#   return 0;
89# }
90# ::::::::::::::
91# exit.c
92# ::::::::::::::
93# #include <linux/kernel.h>
94# #include <linux/module.h>
95# 
96# void cleanup_module()
97# {
98#   printk(KERN_INFO "Goodbye, World!\n");
99# }
100runtest hello_i386.ko 1
101runtest hello_x86_64.ko 1
102runtest hello_ppc64.ko 1
103runtest hello_s390.ko 1
104runtest hello_aarch64.ko 1
105
106# self test, shouldn't impact non-ET_REL files at all.
107runtest ${abs_top_builddir}/src/strip 0
108runtest ${abs_top_builddir}/src/strip.o 1
109
110exit $status
111