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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
# Expect script for various indirect symbol tests.
# Copyright (C) 2012-2018 Free Software Foundation, Inc.
#
# 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 2 of the License, or
# (at your option) any later version.
#
# This program 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
#
#
# Written by H.J. Lu (hongjiu.lu@intel.com)
#
# Exclude non-ELF targets.
if ![is_elf_format] {
return
}
# Skip target where -shared is not supported
if ![check_shared_lib_support] {
return
}
# Check if compiler works
if { [which $CC] == 0 } {
return
}
# Some bare-metal targets don't support shared libs or PIC.
if { ![run_host_cmd_yesno $CC "-shared -fPIC $srcdir/$subdir/dummy.c -o tmpdir/t.so"] } {
return
}
proc check_link_message { cmd string testname } {
send_log "$cmd\n"
verbose "$cmd"
catch "exec $cmd" exec_output
send_log "$exec_output\n"
verbose "$exec_output"
foreach str $string {
if [string match "*$str*" $exec_output] {
pass "$testname: $str"
} else {
fail "$testname: $str"
}
}
}
if { ![ld_compile $CC $srcdir/$subdir/indirect1a.c tmpdir/indirect1a.o]
|| ![ld_compile $CC $srcdir/$subdir/indirect1b.c tmpdir/indirect1b.o]
|| ![ld_compile "$CC -fPIC" $srcdir/$subdir/indirect2.c tmpdir/indirect2.o]
|| ![ld_compile $CC $srcdir/$subdir/indirect3a.c tmpdir/indirect3a.o]
|| ![ld_compile $CC $srcdir/$subdir/indirect3b.c tmpdir/indirect3b.o]
|| ![ld_compile $CC $srcdir/$subdir/indirect4a.c tmpdir/indirect4a.o]
|| ![ld_compile $CC $srcdir/$subdir/indirect4b.c tmpdir/indirect4b.o]
|| ![ld_compile "$CC -O2 -fPIC -I../bfd" $srcdir/$subdir/pr18720a.c tmpdir/pr18720a.o]
|| ![ld_compile $CC $srcdir/$subdir/pr18720b.c tmpdir/pr18720b.o]
|| ![ld_compile "$CC -fPIC" $srcdir/$subdir/pr19553d.c tmpdir/pr19553d.o]
|| ![ld_compile "$CC -fPIC" $srcdir/$subdir/pr19553c.c tmpdir/pr19553c.o]
|| ![ld_compile "$CC -fPIC" $srcdir/$subdir/pr19553b.c tmpdir/pr19553b.o]
|| ![ld_compile $CC $srcdir/$subdir/pr19553a.c tmpdir/pr19553a.o] } {
unresolved "Indirect symbol tests"
return
}
set build_tests {
{"Build libindirect1c.so"
"-shared" "-fPIC"
{indirect1c.c} {} "libindirect1c.so"}
{"Build libindirect3c.so"
"-shared" "-fPIC"
{indirect3c.c} {} "libindirect3c.so"}
{"Build libindirect4c.so"
"-shared" "-fPIC"
{indirect4c.c} {} "libindirect4c.so"}
{"Build libindirect5.so"
"-shared -Wl,--version-script=indirect5.map" "-fPIC"
{indirect5b.c} {} "libindirect5.so"}
{"Build libpr18720c.so"
"-shared" "-fPIC"
{pr18720c.c} {} "libpr18720c.so"}
{"Build pr18720b1.o"
"-r -nostdlib tmpdir/pr18720b.o" ""
{dummy.c} {} "pr18720b1.o"}
{"Build pr18720a"
"tmpdir/pr18720a.o tmpdir/pr18720b.o tmpdir/libpr18720c.so" ""
{check-ptr-eq.c} {{readelf {--dyn-syms} pr18720.rd}} "pr18720a"}
{"Build libpr19553b.so"
"-shared -Wl,--version-script=pr19553.map" "-fPIC"
{pr19553b.c} {} "libpr19553b.so"}
{"Build libpr19553c.so"
"-shared -Wl,--version-script=pr19553.map" "-fPIC"
{pr19553c.c} {} "libpr19553c.so"}
{"Build libpr19553d.so"
"-shared tmpdir/libpr19553c.so" "-fPIC"
{pr19553d.c} {} "libpr19553d.so"}
}
run_cc_link_tests $build_tests
global ld
set string ": final link failed: Bad value"
set string1 ": local symbol \`foo\' in tmpdir/indirect1b.o is referenced by DSO"
set testname "Indirect symbol 1a"
set cmd "$ld -e start -o tmpdir/indirect1 tmpdir/indirect1a.o tmpdir/indirect1b.o tmpdir/libindirect1c.so"
check_link_message "$cmd" [list $string1 $string] "$testname"
set testname "Indirect symbol 1b"
set cmd "$ld -e start -o tmpdir/indirect1 tmpdir/indirect1a.o tmpdir/libindirect1c.so tmpdir/indirect1b.o"
check_link_message "$cmd" [list $string1 $string] "$testname"
set string ": final link failed: Nonrepresentable section on output"
set string2 ": No symbol version section for versioned symbol \`foo@FOO\'"
set testname "Indirect symbol 2"
set cmd "$ld -shared -o tmpdir/indirect2.so tmpdir/indirect2.o"
check_link_message "$cmd" [list $string2 $string] "$testname"
global NOPIE_CFLAGS NOPIE_LDFLAGS
set run_tests {
{"Run with libindirect3c.so 1"
"-Wl,--no-as-needed tmpdir/indirect3a.o tmpdir/indirect3b.o tmpdir/libindirect3c.so" ""
{dummy.c} "indirect3a" "indirect3.out"}
{"Run with libindirect3c.so 2"
"-Wl,--no-as-needed tmpdir/indirect3a.o tmpdir/libindirect3c.so tmpdir/indirect3b.o" ""
{dummy.c} "indirect3b" "indirect3.out"}
{"Run with libindirect3c.so 3"
"-Wl,--no-as-needed tmpdir/indirect3b.o tmpdir/libindirect3c.so tmpdir/indirect3a.o" ""
{dummy.c} "indirect3c" "indirect3.out"}
{"Run with libindirect3c.so 4"
"-Wl,--no-as-needed tmpdir/libindirect3c.so tmpdir/indirect3b.o tmpdir/indirect3a.o" ""
{dummy.c} "indirect3d" "indirect3.out"}
{"Run with libindirect4c.so 1"
"-Wl,--no-as-needed tmpdir/indirect4a.o tmpdir/indirect4b.o tmpdir/libindirect4c.so" ""
{dummy.c} "indirect4a" "indirect4.out"}
{"Run with libindirect4c.so 2"
"-Wl,--no-as-needed tmpdir/indirect4a.o tmpdir/libindirect4c.so tmpdir/indirect4b.o" ""
{dummy.c} "indirect4b" "indirect4.out"}
{"Run with libindirect4c.so 3"
"-Wl,--no-as-needed tmpdir/indirect4b.o tmpdir/libindirect4c.so tmpdir/indirect4a.o" ""
{dummy.c} "indirect4c" "indirect4.out"}
{"Run with libindirect4c.so 4"
"-Wl,--no-as-needed tmpdir/libindirect4c.so tmpdir/indirect4b.o tmpdir/indirect4a.o" ""
{dummy.c} "indirect4d" "indirect4.out"}
{"Run indirect5 1"
"$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libindirect5.so" ""
{indirect5a.c} "indirect5a" "indirect5.out" "$NOPIE_CFLAGS"}
{"Run indirect5 2"
"$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/indirect5a.o tmpdir/libindirect5.so" ""
{dummy.c} "indirect5b" "indirect5.out" "$NOPIE_CFLAGS"}
{"Run indirect6 1"
"$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libindirect5.so" ""
{indirect6a.c} "indirect6a" "indirect5.out" "$NOPIE_CFLAGS"}
{"Run indirect6 2"
"$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/indirect6a.o tmpdir/libindirect5.so" ""
{dummy.c} "indirect6b" "indirect5.out" "$NOPIE_CFLAGS"}
{"Run with libpr18720c.so 1"
"-Wl,--no-as-needed tmpdir/pr18720a.o tmpdir/pr18720b.o tmpdir/libpr18720c.so" ""
{check-ptr-eq.c} "pr18720a" "pr18720.out"}
{"Run with libpr18720c.so 2"
"-Wl,--no-as-needed tmpdir/pr18720a.o tmpdir/libpr18720c.so tmpdir/pr18720b.o" ""
{check-ptr-eq.c} "pr18720b" "pr18720.out"}
{"Run with libpr18720c.so 3"
"-Wl,--no-as-needed tmpdir/pr18720b.o tmpdir/libpr18720c.so tmpdir/pr18720a.o" ""
{check-ptr-eq.c} "pr18720c" "pr18720.out"}
{"Run with libpr18720c.so 4"
"-Wl,--no-as-needed tmpdir/libpr18720c.so tmpdir/pr18720b.o tmpdir/pr18720a.o" ""
{check-ptr-eq.c} "pr18720d" "pr18720.out"}
{"Run with libpr18720c.so 5"
"-Wl,--no-as-needed tmpdir/libpr18720c.so tmpdir/pr18720b1.o tmpdir/pr18720a.o" ""
{check-ptr-eq.c} "pr18720d" "pr18720.out"}
{"Run with libpr19553b.so"
"-Wl,--no-as-needed tmpdir/libpr19553b.so tmpdir/libpr19553d.so -Wl,-rpath-link,." ""
{pr19553a.c} "pr19553b" "pr19553b.out"}
{"Run with libpr19553c.so"
"-Wl,--no-as-needed tmpdir/libpr19553c.so tmpdir/libpr19553b.so tmpdir/libpr19553d.so" ""
{pr19553a.c} "pr19553c" "pr19553c.out"}
{"Run with libpr19553d.so"
"-Wl,--no-as-needed tmpdir/libpr19553d.so tmpdir/libpr19553b.so -Wl,-rpath-link,." ""
{pr19553a.c} "pr19553d" "pr19553d.out"}
}
run_ld_link_exec_tests $run_tests
# Check that "bar" is not dynamic in the executable
proc check_dynamic_syms { test } {
global nm
set cmd "$nm -D $test > dump.out"
send_log "$cmd\n"
catch "exec $cmd" comp_output
if ![string match "" $comp_output] then {
send_log "$comp_output\n"
return 0
}
if { [string match "* bar\n*" [file_contents "dump.out"]] } then {
verbose "output is [file_contents "dump.out"]"
return 0
}
return 1
}
foreach t [list indirect5a indirect5b indirect6a indirect6b] {
set testname [concat $t "dynsym"]
if { [check_dynamic_syms tmpdir/$t] } {
pass $testname
} else {
fail $testname
}
}
send_log "$CC -fPIE -pie $srcdir/$subdir/main.c -o tmpdir/pie"
catch "exec $CC -fPIE -pie $srcdir/$subdir/main.c -o tmpdir/pie" exec_output
send_log "$exec_output"
if { ! [string match "" $exec_output] } {
return
}
set pie_tests {
{"Run indirect5 3"
"-pie -Wl,--no-as-needed tmpdir/libindirect5.so" ""
{indirect5a.c} "indirect5c" "indirect5.out" "-fPIE"}
{"Run indirect5 4"
"-pie -Wl,--no-as-needed tmpdir/indirect5a.o tmpdir/libindirect5.so" ""
{dummy.c} "indirect5d" "indirect5.out" "-fPIE"}
{"Run indirect6 3"
"-pie -Wl,--no-as-needed tmpdir/libindirect5.so" ""
{indirect6a.c} "indirect6c" "indirect5.out" "-fPIE"}
{"Run indirect6 4"
"-pie -Wl,--no-as-needed tmpdir/indirect6a.o tmpdir/libindirect5.so" "-fPIE"
{dummy.c} "indirect6d" "indirect5.out" "-fPIE"}
}
run_ld_link_exec_tests $pie_tests
foreach t [list indirect5c indirect5d indirect6c indirect6d] {
set testname [concat $t "dynsym"]
if { [check_dynamic_syms tmpdir/$t] } {
pass $testname
} else {
fail $testname
}
}
|
GitWeb