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252b5132 RH |
1 | # Expect script for ld-shared tests |
2 | # Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation | |
3 | # | |
4 | # This file is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
6 | # the Free Software Foundation; either version 2 of the License, or | |
7 | # (at your option) any later version. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License | |
15 | # along with this program; if not, write to the Free Software | |
16 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | # | |
18 | # Written by Ian Lance Taylor (ian@cygnus.com) | |
19 | # | |
20 | ||
21 | # Make sure that ld can generate ELF shared libraries. | |
22 | # Note that linking against ELF shared libraries is tested by the | |
23 | # bootstrap test. | |
24 | ||
25 | # This test can only be run if ld generates native executables. | |
26 | if ![isnative] then {return} | |
27 | ||
28 | # This test can only be run on a couple of ELF platforms. | |
29 | # Square bracket expressions seem to confuse istarget. | |
30 | if { ![istarget i386-*-sysv4*] \ | |
31 | && ![istarget i486-*-sysv4*] \ | |
32 | && ![istarget i586-*-sysv4*] \ | |
33 | && ![istarget i386-*-unixware] \ | |
34 | && ![istarget i486-*-unixware] \ | |
35 | && ![istarget i586-*-unixware] \ | |
36 | && ![istarget i386-*-elf*] \ | |
37 | && ![istarget i486-*-elf*] \ | |
38 | && ![istarget i586-*-elf*] \ | |
39 | && ![istarget i386-*-linux*] \ | |
40 | && ![istarget i486-*-linux*] \ | |
41 | && ![istarget i586-*-linux*] \ | |
42 | && ![istarget m68k-*-linux*] \ | |
43 | && ![istarget mips*-*-irix5*] \ | |
44 | && ![istarget powerpc-*-elf*] \ | |
45 | && ![istarget powerpc-*-linux*] \ | |
46 | && ![istarget powerpc-*-sysv4*] \ | |
47 | && ![istarget sparc*-*-elf] \ | |
48 | && ![istarget sparc*-*-solaris2*] \ | |
49 | && ![istarget sparc*-*-sunos4*] \ | |
b33b6e45 | 50 | && ![istarget sparc*-*-linux*] \ |
252b5132 RH |
51 | && ![istarget rs6000*-*-aix*] \ |
52 | && ![istarget powerpc*-*-aix*] } { | |
53 | return | |
54 | } | |
55 | ||
99c262f8 ILT |
56 | if { [istarget *-*-linux*aout*] \ |
57 | || [istarget *-*-linux*oldld*] } { | |
252b5132 RH |
58 | return |
59 | } | |
60 | ||
61 | set tmpdir tmpdir | |
62 | set SHCFLAG "" | |
63 | ||
64 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { | |
65 | ||
66 | # AIX shared libraries do not seem to support useful features, | |
67 | # like overriding the shared library function or letting the | |
68 | # shared library refer to objects defined in the main program. We | |
69 | # avoid testing those features. | |
70 | set SHCFLAG "-DXCOFF_TEST" | |
71 | ||
72 | # The AIX 3.2.5 loader appears to randomly fail when loading | |
73 | # shared libraries from NSF mounted partitions, so we avoid any | |
74 | # potential problems by using a local directory. | |
75 | catch {exec /bin/sh -c "echo $$"} pid | |
76 | set tmpdir /usr/tmp/ld.$pid | |
77 | catch "exec mkdir $tmpdir" exec_status | |
78 | ||
79 | # On AIX, we need to explicitly export the symbols the shared | |
80 | # library is going to provide, and need. | |
81 | set file [open $tmpdir/xcoff.exp w] | |
82 | puts $file shlibvar1 | |
83 | puts $file shlibvar2 | |
84 | puts $file shlib_shlibvar1 | |
85 | puts $file shlib_shlibvar2 | |
86 | puts $file shlib_shlibcall | |
87 | puts $file shlib_shlibcalled | |
88 | puts $file shlib_checkfunptr1 | |
89 | puts $file shlib_getfunptr1 | |
90 | puts $file shlib_check | |
91 | close $file | |
92 | } | |
93 | ||
94 | # The test procedure. | |
95 | proc shared_test { progname testname main sh1 sh2 dat args } { | |
96 | global ld | |
97 | global srcdir | |
98 | global subdir | |
99 | global exec_output | |
100 | global host_triplet | |
101 | global tmpdir | |
102 | ||
103 | if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" } | |
104 | ||
105 | # Build the shared library. | |
106 | # On AIX, we need to use an export file. | |
107 | set shared -shared | |
108 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { | |
109 | set shared "-bM:SRE -bE:$tmpdir/xcoff.exp" | |
110 | } | |
111 | if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} { | |
112 | fail "$testname" | |
113 | return | |
114 | } | |
115 | ||
116 | # Link against the shared library. Use -rpath so that the | |
117 | # dynamic linker can locate the shared library at runtime. | |
118 | # On AIX, we must include /lib in -rpath, as otherwise the loader | |
119 | # can not find -lc. | |
120 | set rpath $tmpdir | |
121 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { | |
122 | set rpath /lib:$tmpdir | |
123 | } | |
124 | if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] { | |
125 | fail "$testname" | |
126 | return | |
127 | } | |
128 | ||
129 | # Run the resulting program | |
130 | send_log "$tmpdir/$progname >$tmpdir/$progname.out\n" | |
131 | verbose "$tmpdir/$progname >$tmpdir/$progname.out" | |
132 | catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output | |
133 | if ![string match "" $exec_output] then { | |
134 | send_log "$exec_output\n" | |
135 | verbose "$exec_output" | |
136 | fail "$testname" | |
137 | return | |
138 | } | |
139 | ||
140 | send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n" | |
141 | verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" | |
142 | catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output | |
143 | set exec_output [prune_warnings $exec_output] | |
144 | ||
145 | if {![string match "" $exec_output]} then { | |
146 | send_log "$exec_output\n" | |
147 | verbose "$exec_output" | |
148 | fail "$testname" | |
149 | return | |
150 | } | |
151 | ||
152 | pass "$testname" | |
153 | } | |
154 | ||
155 | if [istarget mips*-*-*] { | |
156 | set picflag "" | |
157 | } else { | |
158 | # Unfortunately, the gcc argument is -fpic and the cc argument is | |
159 | # -KPIC. We have to try both. | |
160 | set picflag "-fpic" | |
161 | send_log "$CC $picflag\n" | |
162 | verbose "$CC $picflag" | |
163 | catch "exec $CC $picflag" exec_output | |
164 | send_log "$exec_output\n" | |
165 | verbose "--" "$exec_output" | |
166 | if { [string match "*illegal option*" $exec_output] \ | |
167 | || [string match "*option ignored*" $exec_output] \ | |
168 | || [string match "*unrecognized option*" $exec_output] \ | |
169 | || [string match "*passed to ld*" $exec_output] } { | |
170 | if [istarget *-*-sunos4*] { | |
171 | set picflag "-pic" | |
172 | } else { | |
173 | set picflag "-KPIC" | |
174 | } | |
175 | } | |
176 | } | |
177 | verbose "Using $picflag to compile PIC code" | |
178 | ||
179 | # Compile the main program. | |
180 | if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] { | |
181 | unresolved "shared (non PIC)" | |
182 | unresolved "shared" | |
183 | } else { | |
184 | # The shared library is composed of two files. First compile them | |
185 | # without using -fpic. That should work on an ELF system, | |
186 | # although it will be less efficient because the dynamic linker | |
187 | # will need to do more relocation work. However, note that not | |
188 | # using -fpic will cause some of the tests to return different | |
189 | # results. | |
190 | if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o] | |
191 | || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } { | |
192 | unresolved "shared (non PIC)" | |
193 | } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { | |
194 | shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff | |
195 | } else { | |
196 | # SunOS non PIC shared libraries don't permit some cases of | |
197 | # overriding. | |
198 | setup_xfail "*-*-sunos4*" | |
199 | shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared | |
200 | ||
201 | # Test ELF shared library relocations with a non-zero load | |
202 | # address for the library. Near as I can tell, the R_*_RELATIVE | |
203 | # relocations for various targets are broken in the case where | |
204 | # the load address is not zero (which is the default). | |
205 | setup_xfail "*-*-sunos4*" | |
b7be1db6 | 206 | setup_xfail "*-*-linux*libc1" |
d1d8dddf | 207 | setup_xfail "powerpc-*-linux*" |
252b5132 RH |
208 | shared_test shnp "shared (non PIC, load offset)" \ |
209 | mainnp.o sh1np.o sh2np.o shared \ | |
210 | "-T $srcdir/$subdir/elf-offset.ld" | |
211 | } } | |
212 | ||
213 | # Now compile the code using -fpic. | |
214 | ||
215 | if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o] | |
216 | || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } { | |
217 | unresolved "shared" | |
218 | } else { | |
219 | # SunOS can not compare function pointers correctly | |
220 | if [istarget "*-*-sunos4*"] { | |
221 | shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4 | |
222 | } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { | |
223 | shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff | |
224 | } else { | |
225 | shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared | |
226 | } } | |
227 | } | |
228 | } | |
229 | ||
230 | # Now do the same tests again, but this time compile main.c PIC. | |
231 | if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] { | |
232 | unresolved "shared (PIC main, non PIC so)" | |
233 | unresolved "shared (PIC main)" | |
234 | } else { | |
235 | if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } { | |
236 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { | |
237 | shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff | |
238 | } else { | |
239 | # SunOS non PIC shared libraries don't permit some cases of | |
240 | # overriding. | |
241 | setup_xfail "*-*-sunos4*" | |
242 | shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared | |
243 | } | |
244 | } else { | |
245 | unresolved "shared (PIC main, non PIC so)" | |
246 | } | |
247 | ||
248 | if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } { | |
249 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { | |
250 | shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff | |
251 | } else { | |
252 | shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared | |
253 | } | |
254 | } else { | |
255 | unresolved "shared (PIC main)" | |
256 | } | |
257 | } | |
258 | ||
259 | if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { | |
260 | # Remove the temporary directory. | |
261 | catch "exec rm -rf $tmpdir" exec_status | |
262 | } |