1 # Expect script for LD Bootstrap Tests
2 # Copyright (C) 1993-2022 Free Software Foundation, Inc.
4 # This file is part of the GNU Binutils.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 # Written by Jeffrey Wheat (cassidy@cygnus.com)
22 # Rewritten by Ian Lance Taylor (ian@cygnus.com)
25 # Make sure that ld can bootstrap itself.
27 # This test can only be run if ld generates native executables.
32 # Skip if OFILES aren't provided, it can happen when lauching
33 # the testsuites outside the build directory.
34 if {![info exists OFILES]} {
38 # Skip for -fprofile-generate=.
39 catch "exec $nm $plug_opt $OFILES" exec_output
40 send_log "foo: $exec_output"
41 if { [ string match "*__gcov_*" $exec_output ] } {
45 remote_exec host "$nm --help" "" "/dev/null" "plugin-support"
46 set tmp [file_contents "plugin-support"]
47 regexp ".*\(--plugin\).*\n" $tmp foo plugins
48 if [info exists plugins] then {
54 # LD can have plugin support even if BFD does not.
55 if [check_plugin_api_available] {
59 # Bootstrap ld. First link the object files together using -r, in
60 # order to test -r. Then link the result into an executable, ld1, to
61 # really test -r. Use ld1 to link a fresh ld, ld2. Use ld2 to link a
62 # new ld, ld3. ld2 and ld3 should be identical.
63 set test_flags {"" "strip" "--static" "-Wl,--traditional-format"
64 "-Wl,--no-keep-memory" "-Wl,--relax"
65 "-Wl,--max-cache-size=-1"}
66 if { [istarget "powerpc-*-*"] } {
67 lappend test_flags "-Wl,--ppc476-workaround"
70 set gcc_B_opt_save $gcc_B_opt
72 if {![file exists tmpdir/ldscripts]} then {
73 catch "exec ln -s ../ldscripts tmpdir/ldscripts" status
75 foreach ldexe {ld1 ld2 ld3} {
76 if {![file isdirectory tmpdir/gcc$ldexe]} then {
77 catch "exec mkdir tmpdir/gcc$ldexe" status
78 catch "exec ln -s ../$ldexe tmpdir/gcc$ldexe/ld" status
79 catch "exec ln -s ld tmpdir/gcc$ldexe/collect-ld" status
80 catch "exec ln -s ../../../gas/as-new tmpdir/gcc$ldexe/as" status
84 foreach flags $test_flags {
85 set gcc_B_opt $gcc_B_opt_save
87 if {"$flags" == "strip"} {
88 set testname "bootstrap with $flags"
91 } else { if {"$flags" != ""} {
92 set testname "bootstrap with $flags"
94 set testname "bootstrap"
97 # --static is meaningless and --relax is incompatible with -r.
98 regsub -- "-Wl," $flags "" partial_flags
99 if { "$partial_flags" == "--static" || "$partial_flags" == "--relax" } {
103 if { $partial_flags == "--ppc476-workaround" } {
104 append partial_flags " -T $srcdir/$subdir/ppc476.t"
107 # This test can only be run if we have the ld build directory,
108 # since we need the object files.
109 if {$ld != "$objdir/ld-new"} {
114 # If -static doesn't work, these tests will fail.
115 if { $flags == "--static" && [string match "" $STATIC_LDFLAGS] } then {
120 # Plugin support requires linking with a dynamic library which
121 # means that these tests will fail.
122 if { $flags == "--static" && $plugins == "yes" } then {
127 # If we only have a shared libbfd, we probably can't run the
129 if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
134 if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
139 # On AIX, you need to specify an import list when using --static.
140 # You only want the import list when creating the final
142 if { [istarget "*-*-aix*"]
143 && ![istarget "ia64-*-aix*"]} {
144 if {"$flags" == "--static"} {
145 set flags "--static -bI:/lib/syscalls.exp"
149 # On Cygwin, -lintl may require -liconv when linking statically.
151 if { [istarget "*-*-cygwin*"]} {
152 if {"$flags" == "--static"} {
153 set extralibs "-liconv"
157 # Check if the system's zlib library is used.
158 if {[file exists ../zlib/Makefile ]} then {
159 set extralibs "$extralibs -L../zlib -lz"
161 set extralibs "$extralibs -lz"
164 if { [lindex [remote_exec build grep "-q \"HAVE_ZSTD 1\" config.h" ] 0] == 0 } then {
165 set extralibs "$extralibs -lzstd"
168 # Check if the system's jansson library is used. If so, the object files will
169 # be using symbols from it, so link to it.
170 if { [lindex [remote_exec build grep "-q \"HAVE_JANSSON 1\" config.h" ] 0] == 0 } then {
171 set extralibs "$extralibs -ljansson"
174 # Plugin support requires linking with libdl.
175 if { $plugins == "yes" } {
176 if { ![istarget "*-*-freebsd*"]} {
177 set extralibs "$extralibs -ldl"
181 # On Irix 5, linking with --static only works if all the files are
182 # compiled using -non_shared.
183 if {"$flags" == "--static"} {
184 setup_xfail "mips*-*-irix5*"
187 if ![ld_link $CC tmpdir/ld1 "$CFLAGS $flags tmpdir/ld-partial.o $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
192 if {"$do_strip" == "yes"} {
193 verbose -log "$strip tmpdir/ld1"
194 catch "exec $strip tmpdir/ld1" exec_output
195 set exec_output [prune_warnings $exec_output]
196 if ![string match "" $exec_output] then {
197 verbose -log "$exec_output"
203 regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld1/ gcc_B_opt
204 if ![ld_link $CC tmpdir/ld2 "$CFLAGS $flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
209 regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld2/ gcc_B_opt
210 if ![ld_link $CC tmpdir/ld3 "$CFLAGS $flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
215 if { "$flags" == "--static"
216 && ([istarget ia64-*-elf*]
217 || [istarget ia64-*-linux*]
218 || [istarget mips*-*-linux*]) } {
219 # On ia64 and mips, tmpdir/ld2 != tmpdir/ld3 is normal since they are
220 # generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
221 # So we rebuild tmpdir/ld2 with tmpdir/ld3.
222 regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld3/ gcc_B_opt
223 if ![ld_link $CC tmpdir/ld2 "$CFLAGS $flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
229 if {[istarget "*-*-pe"]
230 || [istarget "*-*-wince"]
231 || [istarget "*-*-cygwin*"]
232 || [istarget "*-*-winnt*"]
233 || [istarget "*-*-mingw*"]
234 || [istarget "*-*-interix*"]
235 || [istarget "*-*-beospe*"]} {
236 # Trim off the date present in PE binaries by only looking
237 # at the ends of the files
238 # Although this works, a way to set the date would be better.
239 # Removing or zeroing the date stamp in the binary produced by
240 # the linker is not possible as it is required by the target OS.
241 set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]
242 send_log "$do_compare\n"
243 verbose "$do_compare"
244 catch "exec sh -c [list $do_compare]" exec_output
246 send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
247 verbose "cmp tmpdir/ld2 tmpdir/ld3"
248 catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
250 set exec_output [prune_warnings $exec_output]
252 if [string match "" $exec_output] then {
255 send_log "$exec_output\n"
256 verbose "$exec_output" 1
262 set gcc_B_opt $gcc_B_opt_save
263 catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
264 catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status