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|
# Expect script for LD Bootstrap Tests
# Copyright (C) 1993-2020 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# This program 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.
#
# 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 Jeffrey Wheat (cassidy@cygnus.com)
# Rewritten by Ian Lance Taylor (ian@cygnus.com)
#
# Make sure that ld can bootstrap itself.
# This test can only be run if ld generates native executables.
if ![isnative] {
return
}
# Determine if plugin support is present.
remote_exec host "$nm --help" "" "/dev/null" "plugin-support"
set tmp [file_contents "plugin-support"]
regexp ".*\(--plugin\).*\n" $tmp foo plugins
if [info exists plugins] then {
set plugins "yes"
} else {
set plugins "no"
}
# LD can have plugin support even if BFD does not.
if [check_plugin_api_available] {
set plugins "yes"
}
# Bootstrap ld. First link the object files together using -r, in
# order to test -r. Then link the result into an executable, ld1, to
# really test -r. Use ld1 to link a fresh ld, ld2. Use ld2 to link a
# new ld, ld3. ld2 and ld3 should be identical.
set test_flags {"" "strip" "--static" "-Wl,--traditional-format"
"-Wl,--no-keep-memory" "-Wl,--relax"}
if { [istarget "powerpc-*-*"] } {
lappend test_flags "-Wl,--ppc476-workaround"
}
set gcc_B_opt_save $gcc_B_opt
foreach ldexe {ld1 ld2 ld3} {
if {![file isdirectory tmpdir/gcc$ldexe]} then {
catch "exec mkdir tmpdir/gcc$ldexe" status
catch "exec ln -s ../$ldexe tmpdir/gcc$ldexe/ld" status
catch "exec ln -s ld tmpdir/gcc$ldexe/collect-ld" status
catch "exec ln -s ../../../gas/as-new tmpdir/gcc$ldexe/as" status
}
}
foreach flags $test_flags {
set gcc_B_opt $gcc_B_opt_save
set do_strip "no"
if {"$flags" == "strip"} {
set testname "bootstrap with $flags"
set flags ""
set do_strip "yes"
} else { if {"$flags" != ""} {
set testname "bootstrap with $flags"
} else {
set testname "bootstrap"
}}
# --static is meaningless and --relax is incompatible with -r.
regsub -- "-Wl," $flags "" partial_flags
if { "$partial_flags" == "--static" || "$partial_flags" == "--relax" } {
set partial_flags ""
}
if { $partial_flags == "--ppc476-workaround" } {
append partial_flags " -T $srcdir/$subdir/ppc476.t"
}
# This test can only be run if we have the ld build directory,
# since we need the object files.
if {$ld != "$objdir/ld-new"} {
untested $testname
continue
}
# If -static doesn't work, these tests will fail.
if { $flags == "--static" && [string match "" $STATIC_LDFLAGS] } then {
untested $testname
continue
}
# Plugin support requires linking with a dynamic library which
# means that these tests will fail.
if { $flags == "--static" && $plugins == "yes" } then {
untested $testname
continue
}
# If we only have a shared libbfd, we probably can't run the
# --static test.
if { $flags == "--static" && ! [string match "*libbfd.a*" $BFDLIB] } then {
untested $testname
continue
}
if ![ld_relocate $ld tmpdir/ld-partial.o "$partial_flags $OFILES"] {
fail $testname
continue
}
# On AIX, you need to specify an import list when using --static.
# You only want the import list when creating the final
# executable.
if { [istarget "*-*-aix*"]
&& ![istarget "ia64-*-aix*"]} {
if {"$flags" == "--static"} {
set flags "--static -bI:/lib/syscalls.exp"
}
}
# On Cygwin, -lintl may require -liconv when linking statically.
set extralibs ""
if { [istarget "*-*-cygwin*"]} {
if {"$flags" == "--static"} {
set extralibs "-liconv"
}
}
# Check if the system's zlib library is used.
if {[file exists ../zlib/Makefile ]} then {
set extralibs "$extralibs -L../zlib -lz"
} else {
set extralibs "$extralibs -lz"
}
# Plugin support requires linking with libdl.
if { $plugins == "yes" } {
if { ![istarget "*-*-freebsd*"]} {
set extralibs "$extralibs -ldl"
}
}
# On Irix 5, linking with --static only works if all the files are
# compiled using -non_shared.
if {"$flags" == "--static"} {
setup_xfail "mips*-*-irix5*"
}
if ![ld_link $CC tmpdir/ld1 "$flags tmpdir/ld-partial.o $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
fail $testname
continue
}
if {"$do_strip" == "yes"} {
verbose -log "$strip tmpdir/ld1"
catch "exec $strip tmpdir/ld1" exec_output
set exec_output [prune_warnings $exec_output]
if ![string match "" $exec_output] then {
verbose -log "$exec_output"
fail $testname
continue
}
}
regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld1/ gcc_B_opt
if ![ld_link $CC tmpdir/ld2 "$flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
fail $testname
continue
}
regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld2/ gcc_B_opt
if ![ld_link $CC tmpdir/ld3 "$flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
fail $testname
continue
}
if { "$flags" == "--static"
&& ([istarget ia64-*-elf*]
|| [istarget ia64-*-linux*]
|| [istarget mips*-*-linux*]) } {
# On ia64 and mips, tmpdir/ld2 != tmpdir/ld3 is normal since they are
# generated by different linkers, tmpdir/ld1 and tmpdir/ld2.
# So we rebuild tmpdir/ld2 with tmpdir/ld3.
regsub /tmpdir/ld/ $gcc_B_opt_save /tmpdir/gccld3/ gcc_B_opt
if ![ld_link $CC tmpdir/ld2 "$flags $OFILES $CTFLIB $BFDLIB $LIBIBERTY $extralibs"] {
fail $testname
continue
}
}
if {[istarget "*-*-pe"]
|| [istarget "*-*-wince"]
|| [istarget "*-*-cygwin*"]
|| [istarget "*-*-winnt*"]
|| [istarget "*-*-mingw*"]
|| [istarget "*-*-interix*"]
|| [istarget "*-*-beospe*"]
|| [istarget "*-*-netbsdpe*"]} {
# Trim off the date present in PE binaries by only looking
# at the ends of the files
# Although this works, a way to set the date would be better.
# Removing or zeroing the date stamp in the binary produced by
# the linker is not possible as it is required by the target OS.
set do_compare [string map {16 220 f1 tmpdir/ld2 f2 tmpdir/ld3 tmp-foo1 tmpdir/ld2tail tmp-foo2 tmpdir/ld3tail} $DO_COMPARE]
send_log "$do_compare\n"
verbose "$do_compare"
catch "exec sh -c [list $do_compare]" exec_output
} else {
send_log "cmp tmpdir/ld2 tmpdir/ld3\n"
verbose "cmp tmpdir/ld2 tmpdir/ld3"
catch "exec cmp tmpdir/ld2 tmpdir/ld3" exec_output
}
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
pass $testname
} else {
send_log "$exec_output\n"
verbose "$exec_output" 1
fail $testname
}
}
set gcc_B_opt $gcc_B_opt_save
catch "exec rm -f tmpdir/ld-partial.o tmpdir/ld1 tmpdir/ld2 tmpdir/ld3" status
catch "exec rm -f tmpdir/ld2tail tmpdir/ld3tail" status
|
