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
|
# Expect script for ld-shared tests
# Copyright (C) 1994,1995 Free Software Foundation
#
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Written by Ian Lance Taylor (ian@cygnus.com)
#
# Make sure that ld can generate ELF shared libraries.
# Note that linking against ELF shared libraries is tested by the
# bootstrap test.
# This test can only be run if ld generates native executables.
if ![isnative] then {return}
# This test can only be run on a couple of ELF platforms.
# Square bracket expressions seem to confuse istarget.
if { ![istarget i386-*-sysv4*] \
&& ![istarget i486-*-sysv4*] \
&& ![istarget i586-*-sysv4*] \
&& ![istarget i386-*-unixware] \
&& ![istarget i486-*-unixware] \
&& ![istarget i586-*-unixware] \
&& ![istarget i386-*-elf*] \
&& ![istarget i486-*-elf*] \
&& ![istarget i586-*-elf*] \
&& ![istarget mips*-*-irix5*] \
&& ![istarget sparc*-*-elf] \
&& ![istarget sparc*-*-solaris2*] \
&& ![istarget sparc*-*-sunos4*] \
&& ![istarget rs6000*-*-aix*] \
&& ![istarget powerpc*-*-aix*] } {
return
}
set tmpdir tmpdir
set SHCFLAG ""
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
# AIX shared libraries do not seem to support useful features,
# like overriding the shared library function or letting the
# shared library refer to objects defined in the main program. We
# avoid testing those features.
set SHCFLAG "-DXCOFF_TEST"
# The AIX 3.2.5 loader appears to randomly fail when loading
# shared libraries from NSF mounted partitions, so we avoid any
# potential problems by using a local directory.
catch {exec /bin/sh -c "echo $$"} pid
set tmpdir /usr/tmp/ld.$pid
catch "exec mkdir $tmpdir" exec_status
# On AIX, we need to explicitly export the symbols the shared
# library is going to provide, and need.
set file [open $tmpdir/xcoff.exp w]
puts $file shlibvar1
puts $file shlibvar2
puts $file shlib_shlibvar1
puts $file shlib_shlibvar2
puts $file shlib_shlibcall
puts $file shlib_shlibcalled
puts $file shlib_checkfunptr1
puts $file shlib_getfunptr1
puts $file shlib_check
close $file
}
# The test procedure.
proc shared_test { progname testname main sh1 sh2 dat } {
global ld
global srcdir
global subdir
global exec_output
global host_triplet
global tmpdir
# Build the shared library.
# On AIX, we need to use an export file.
set shared -shared
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
}
if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $tmpdir/$sh1 $tmpdir/$sh2"]} {
fail "$testname"
return
}
# Link against the shared library. Use -rpath so that the
# dynamic linker can locate the shared library at runtime.
# On AIX, we must include /lib in -rpath, as otherwise the loader
# can not find -lc.
set rpath $tmpdir
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
set rpath /lib:$tmpdir
}
if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
fail "$testname"
return
}
# Run the resulting program
send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
verbose "$tmpdir/$progname >$tmpdir/$progname.out"
catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
if ![string match "" $exec_output] then {
send_log "$exec_output\n"
verbose "$exec_output"
fail "$testname"
return
}
send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
set exec_output [prune_system_crud $host_triplet $exec_output]
if {![string match "" $exec_output]} then {
send_log "$exec_output\n"
verbose "$exec_output"
fail "$testname"
return
}
pass "$testname"
}
# Unfortunately, the gcc argument is -fpic and the cc argument is
# -KPIC. We have to try both.
set picflag "-fpic"
send_log "$CC $picflag\n"
verbose "$CC $picflag"
catch "exec $CC $picflag" exec_output
send_log "$exec_output\n"
verbose "--" "$exec_output"
if { [string match "*illegal option*" $exec_output] \
|| [string match "*option ignored*" $exec_output] \
|| [string match "*unrecognized option*" $exec_output] \
|| [string match "*passed to ld*" $exec_output] } {
if [istarget *-*-sunos4*] {
set picflag "-pic"
} else {
set picflag "-KPIC"
}
}
verbose "Using $picflag to compile PIC code"
# Compile the main program.
if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
unresolved "shared (non PIC)"
unresolved "shared"
} else {
# The shared library is composed of two files. First compile them
# without using -fpic. That should work on an ELF system,
# although it will be less efficient because the dynamic linker
# will need to do more relocation work. However, note that not
# using -fpic will cause some of the tests to return different
# results.
if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
|| ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
unresolved "shared (non PIC)"
} else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
} else {
# SunOS can not handle non PIC code in a shared library
setup_xfail "*-*-sunos4*"
shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
} }
# Now compile the code using -fpic.
if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
|| ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
unresolved "shared"
} else {
# SunOS can not compare function pointers correctly
if [istarget "*-*-sunos4*"] {
shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
} else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
} else {
shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
} }
}
}
# Now do the same tests again, but this time compile main.c PIC.
if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
unresolved "shared (PIC main, non PIC so)"
unresolved "shared (PIC main)"
} else {
if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
} else {
# SunOS can not handle non PIC code in a shared library
setup_xfail "*-*-sunos4*"
shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
}
} else {
unresolved "shared (PIC main, non PIC so)"
}
if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
} else {
shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
}
} else {
unresolved "shared (PIC main)"
}
}
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
# Remove the temporary directory.
catch "exec rm -rf $tmpdir" exec_status
}
|
