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# Expect script for ld-gc tests
# Copyright (C) 2008-2021 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.
# These tests require --gc-sections
if ![check_gc_sections_available] {
return
}
set cflags "-ffunction-sections -fdata-sections $NOSANITIZE_CFLAGS $NOLTO_CFLAGS"
set objfile "tmpdir/gc.o"
if { [istarget powerpc*-*-*] && ![istarget powerpc64*-*-*] } {
# Avoid using .got2 for powerpc -m32
set cflags "$cflags $NOPIE_CFLAGS"
}
if { [istarget m681*-*-*] || [istarget m68hc1*-*-*] } {
# Otherwise tests FAIL due to _.frame
set cflags "$cflags -fomit-frame-pointer -mshort"
}
if { [check_compiler_available] } {
ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
}
proc test_gc { testname filename linker ldflags} {
global nm
global srcdir
global subdir
global nm_output
global objfile
if ![file readable $objfile ] {
untested $testname
return
}
set outfile "tmpdir/$filename"
set options "-L$srcdir/$subdir"
append options " " $ldflags " " [ld_link_defsyms] " " $objfile
if ![ld_link $linker $outfile $options] {
fail $testname
return
}
if ![ld_nm $nm "" $outfile] {
fail $testname
return
}
if {![info exists nm_output(used_func)] \
|| ![info exists nm_output(used_var)]} {
send_log "used sections do not exist\n"
verbose "used sections do not exist"
fail $testname
return
}
if {[info exists nm_output(unused_func)] \
|| [info exists nm_output(unused_var)]} {
send_log "unused section still here\n"
verbose "unused section still here"
fail $testname
return
}
pass $testname
}
test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
run_dump_test "noent"
run_dump_test "abi-note"
run_dump_test "start"
run_dump_test "stop"
run_dump_test "pr19167"
if { [is_elf_format] } then {
run_dump_test "all-debug-sections"
run_dump_test "pr20882"
}
if { [is_elf_format] && [check_shared_lib_support] } then {
set gasopt ""
if { [istarget tic6x-*] } then {
set gasopt "-mpic -mpid=near"
}
# These targets do not default to linking with shared libraries.
set old_ldflags $LDFLAGS
if { [istarget "mips*vr4100*-*-elf*"] \
|| [istarget "mips*vr4300*-*-elf*"] \
|| [istarget "mips*vr5000*-*-elf*"] } {
append LDFLAGS " -call_shared"
}
if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o]
|| ![ld_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then {
fail libpersonality
} else {
run_dump_test "personality"
}
run_dump_test "pr18223"
if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/pr20022a.s tmpdir/pr20022a.o]
|| ![ld_link $ld tmpdir/pr20022.so "-shared --gc-sections tmpdir/pr20022a.o"] } then {
fail pr20022
} else {
run_dump_test "pr20022"
}
set LDFLAGS $old_ldflags
}
if { [check_compiler_available] } {
if { [istarget "*-*-linux*"]
|| [istarget "*-*-nacl*"]
|| [istarget "*-*-gnu*"] } {
ld_compile "$CC -fPIC $CFLAGS $cflags" $srcdir/$subdir/pr11218-1.c tmpdir/pr11218-1.o
ld_link $ld tmpdir/pr11218-1.so "-shared tmpdir/pr11218-1.o"
ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/pr11218-2.c tmpdir/pr11218-2.o
run_dump_test "pr11218"
}
}
if { [check_compiler_available] } {
ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr13683.c tmpdir/pr13683.o
run_dump_test "pr13683"
}
if { [check_compiler_available] } {
ld_compile "$CC $CFLAGS $cflags $NOPIE_CFLAGS" $srcdir/$subdir/pr14265.c tmpdir/pr14265.o
run_dump_test "pr14265"
}
if { [check_compiler_available] } {
ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-1.c tmpdir/pr19161-1.o
ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-2.c tmpdir/pr19161-2.o
set saved_LDFLAGS "$LDFLAGS"
if [istarget hppa*-*-linux*] {
set LDFLAGS "$LDFLAGS --defsym '\$\$dyncall=0'"
}
run_dump_test "pr19161"
set LDFLAGS "$saved_LDFLAGS"
}
if { [is_elf_format] && [check_shared_lib_support] \
&& [check_compiler_available] } {
run_cc_link_tests [list \
[list \
"Build libpr20306.so" \
"-shared" \
"-fPIC" \
{pr20306.c} \
{} \
"libpr20306.so" \
] \
]
run_dump_test "pr20306"
}
if { [is_elf_format] } then {
run_dump_test "skip-map-discarded"
}
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