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 hello_m68k.ko hello_riscv64.ko hello_csky.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  echo "runtest $infile"
36
37  rm -f $outfile1 $debugfile1 $outfile2 $debugfile2
38
39  testrun ${abs_top_builddir}/src/strip -o $outfile1 -f $debugfile1 $infile ||
40  { echo "*** failure strip $infile"; status=1; }
41
42  testrun ${abs_top_builddir}/src/strip --reloc-debug-sections -o $outfile2 \
43	-f $debugfile2 $infile ||
44  { echo "*** failure strip --reloc-debug-sections $infile"; status=1; }
45
46  # shouldn't make any difference for stripped files.
47  testrun ${abs_top_builddir}/src/readelf -a $outfile1 > readelf.out ||
48  { echo "*** failure readelf -a outfile1 $infile"; status=1; }
49
50  testrun_compare ${abs_top_builddir}/src/readelf -a $outfile2 < readelf.out ||
51  { echo "*** failure compare stripped files $infile"; status=1; }
52
53  # debug files however should be smaller, when ET_REL.
54  SIZE1=$(stat -c%s $debugfile1)
55  SIZE2=$(stat -c%s $debugfile2)
56  test \( \( $is_ET_REL -eq 1 \) -a \( $SIZE1 -gt $SIZE2 \) \) \
57	-o \( \( $is_ET_REL -eq 0 \) -a \( $SIZE1 -eq $SIZE2 \) \) ||
58  { echo "*** failure --reloc-debug-sections not smaller $infile"; status=1; }
59
60  # Strip of DWARF section lines, offset will not match.
61  # Everything else should match.
62  testrun ${abs_top_builddir}/src/readelf -w $debugfile1 \
63	| grep -v ^DWARF\ section > readelf.out1 ||
64  { echo "*** failure readelf -w debugfile1 $infile"; status=1; }
65
66  testrun ${abs_top_builddir}/src/readelf -w $debugfile2 \
67	| grep -v ^DWARF\ section > readelf.out2 ||
68  { echo "*** failure readelf -w debugfile2 $infile"; status=1; }
69
70  testrun_compare cat readelf.out1 < readelf.out2 ||
71  { echo "*** failure readelf -w compare $infile"; status=1; }
72
73  testrun ${abs_top_builddir}/src/strip --reloc-debug-sections-only \
74	  $debugfile1 ||
75  { echo "*** failure strip --reloc-debug-sections-only $debugfile1"; \
76    status=1; }
77
78  cmp $debugfile1 $debugfile2 ||
79  { echo "*** failure --reloc-debug-sections[-only] $debugfile1 $debugfile2"; \
80    status=1; }
81}
82
83# Most simple hello world kernel module for various architectures.
84# Make sure that it contains debuginfo with CONFIG_DEBUG_INFO=y.
85# ::::::::::::::
86# Makefile
87# ::::::::::::::
88# obj-m	:= hello.o
89# hello-y := init.o exit.o
90#
91# all:
92# 	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) \
93#		CONFIG_DEBUG_INFO=y modules
94# ::::::::::::::
95# init.c
96# ::::::::::::::
97# #include <linux/kernel.h>
98# #include <linux/module.h>
99#
100# int init_module(void)
101# {
102#   printk(KERN_INFO "Hello, world!\n");
103#   return 0;
104# }
105# ::::::::::::::
106# exit.c
107# ::::::::::::::
108# #include <linux/kernel.h>
109# #include <linux/module.h>
110#
111# void cleanup_module()
112# {
113#   printk(KERN_INFO "Goodbye, World!\n");
114# }
115runtest hello_i386.ko 1
116runtest hello_x86_64.ko 1
117runtest hello_ppc64.ko 1
118runtest hello_s390.ko 1
119runtest hello_aarch64.ko 1
120runtest hello_m68k.ko 1
121runtest hello_riscv64.ko 1
122runtest hello_csky.ko 1
123
124# self test, shouldn't impact non-ET_REL files at all.
125runtest ${abs_top_builddir}/src/strip 0
126runtest ${abs_top_builddir}/src/strip.o 1
127
128# Copy ET_REL file for self-test and make sure to run with/without
129# elf section compression.
130tempfiles strip-uncompressed.o strip-compressed.o
131testrun ${abs_top_builddir}/src/elfcompress -o strip-uncompressed.o -t none \
132  ${abs_top_builddir}/src/strip.o
133testrun ${abs_top_builddir}/src/elfcompress -o strip-compressed.o -t zlib \
134  --force ${abs_top_builddir}/src/strip.o
135
136runtest strip-uncompressed.o 1
137runtest strip-compressed.o 1
138
139# See run-readelf-zdebug-rel.sh
140testfiles testfile-debug-rel-ppc64.o
141runtest testfile-debug-rel-ppc64.o 1
142
143testfiles testfile-debug-rel-ppc64-z.o
144runtest testfile-debug-rel-ppc64-z.o 1
145
146testfiles testfile-debug-rel-ppc64-g.o
147runtest testfile-debug-rel-ppc64-g.o 1
148
149exit $status
150