blob: fd36e4acb25c9e057aad8d840a86df62738aeb4b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
#! /bin/sh
# Copyright (C) 2018 Red Hat, Inc.
# This file is part of elfutils.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# elfutils is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
. $srcdir/test-subr.sh
# Testfile generated by annobin, creates group.
# strip and unstrip it. Check group symbol/name is correct.
# echo "int __attribute__((cold)) foo (void) { return 42; }" \
# > testfile-annobingroup.c
# gcc -g -O2 -fplugin=annobin -c testfile-annobingroup.c
testfiles testfile-annobingroup.o
tempfiles merged.elf stripped.elf debugfile.elf remerged.elf
testrun_compare ${abs_top_builddir}/src/readelf -g testfile-annobingroup.o << EOF
Section group [ 1] '.group' with signature '.text.unlikely.group' contains 3 entries:
[ 7] .gnu.build.attributes..text.unlikely
[ 8] .rela.gnu.build.attributes..text.unlikely
[ 9] .text.unlikely
EOF
testrun ${abs_top_builddir}/src/strip -o stripped.elf -f debugfile.elf testfile-annobingroup.o
testrun_compare ${abs_top_builddir}/src/readelf -g stripped.elf << EOF
Section group [ 1] '.group' with signature '.text.unlikely.group' contains 3 entries:
[ 7] .gnu.build.attributes..text.unlikely
[ 8] .rela.gnu.build.attributes..text.unlikely
[ 9] .text.unlikely
EOF
testrun_compare ${abs_top_builddir}/src/readelf -g debugfile.elf << EOF
Section group [ 1] '.group' with signature '.text.unlikely.group' contains 3 entries:
[ 7] .gnu.build.attributes..text.unlikely
[ 8] .rela.gnu.build.attributes..text.unlikely
[ 9] .text.unlikely
EOF
testrun ${abs_top_builddir}/src/unstrip -o remerged.elf stripped.elf debugfile.elf
testrun_compare ${abs_top_builddir}/src/readelf -g remerged.elf << EOF
Section group [ 1] '.group' with signature '.text.unlikely.group' contains 3 entries:
[ 7] .gnu.build.attributes..text.unlikely
[ 8] .rela.gnu.build.attributes..text.unlikely
[ 9] .text.unlikely
EOF
testrun ${abs_top_builddir}/src/elfcmp testfile-annobingroup.o remerged.elf
# echo "void * __attribute__((cold)) foo (void) { return foo; }"
# > testfile-annobingroup-i386.c
# gcc -fpic -g -O2 -fplugin=annobin -c testfile-annobingroup-i386.c
testfiles testfile-annobingroup-i386.o
testrun_compare ${abs_top_builddir}/src/readelf -g testfile-annobingroup-i386.o << EOF
Section group [ 1] '.group' with signature '.text.unlikely.group' contains 3 entries:
[ 8] .gnu.build.attributes..text.unlikely
[ 9] .rel.gnu.build.attributes..text.unlikely
[10] .text.unlikely
COMDAT section group [ 2] '.group' with signature '__x86.get_pc_thunk.ax' contains 1 entry:
[13] .text.__x86.get_pc_thunk.ax
EOF
testrun ${abs_top_builddir}/src/strip -o stripped.elf -f debugfile.elf testfile-annobingroup-i386.o
testrun_compare ${abs_top_builddir}/src/readelf -g stripped.elf << EOF
Section group [ 1] '.group' with signature '.text.unlikely.group' contains 3 entries:
[ 8] .gnu.build.attributes..text.unlikely
[ 9] .rel.gnu.build.attributes..text.unlikely
[10] .text.unlikely
COMDAT section group [ 2] '.group' with signature '__x86.get_pc_thunk.ax' contains 1 entry:
[13] .text.__x86.get_pc_thunk.ax
EOF
testrun_compare ${abs_top_builddir}/src/readelf -g debugfile.elf << EOF
Section group [ 1] '.group' with signature '.text.unlikely.group' contains 3 entries:
[ 8] .gnu.build.attributes..text.unlikely
[ 9] .rel.gnu.build.attributes..text.unlikely
[10] .text.unlikely
COMDAT section group [ 2] '.group' with signature '__x86.get_pc_thunk.ax' contains 1 entry:
[13] .text.__x86.get_pc_thunk.ax
EOF
testrun ${abs_top_builddir}/src/unstrip -o remerged.elf stripped.elf debugfile.elf
testrun_compare ${abs_top_builddir}/src/readelf -g remerged.elf << EOF
Section group [ 1] '.group' with signature '.text.unlikely.group' contains 3 entries:
[ 8] .gnu.build.attributes..text.unlikely
[ 9] .rel.gnu.build.attributes..text.unlikely
[10] .text.unlikely
COMDAT section group [ 2] '.group' with signature '__x86.get_pc_thunk.ax' contains 1 entry:
[13] .text.__x86.get_pc_thunk.ax
EOF
testrun ${abs_top_builddir}/src/elfcmp testfile-annobingroup-i386.o remerged.elf
# echo "void * foo (void) { return foo; }" > testfile-annobingroup-x86_64.c
# gcc -g -O2 -fplugin=annobin -c testfile-annobingroup-x86_64.c
testfiles testfile-annobingroup-x86_64.o
testrun_compare ${abs_top_builddir}/src/readelf -g testfile-annobingroup-x86_64.o << EOF
Section group [ 1] '.group' with signature '.text.hot.group' contains 3 entries:
[11] .text.hot
[12] .gnu.build.attributes.hot
[13] .rela.gnu.build.attributes.hot
Section group [ 2] '.group' with signature '.text.unlikely.group' contains 3 entries:
[14] .text.unlikely
[15] .gnu.build.attributes.unlikely
[16] .rela.gnu.build.attributes.unlikely
Section group [ 3] '.group' with signature '.text.hot..group' contains 1 entry:
[26] .text.hot
Section group [ 4] '.group' with signature '.text.unlikely..group' contains 1 entry:
[27] .text.unlikely
EOF
testrun ${abs_top_builddir}/src/strip -o stripped.elf -f debugfile.elf testfile-annobingroup-x86_64.o
# This would/should work, except for the unknown NOTEs.
# testrun ${abs_top_builddir}/src/elflint --gnu stripped.elf
# testrun ${abs_top_builddir}/src/elflint --gnu --debug debugfile.elf
testrun ${abs_top_builddir}/src/unstrip -o remerged.elf stripped.elf debugfile.elf
testrun ${abs_top_builddir}/src/elfcmp testfile-annobingroup-x86_64.o remerged.elf
exit 0
|
