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225 lines
8.6 KiB
Plaintext
225 lines
8.6 KiB
Plaintext
# Copyright (C) 2014-2021 Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# Don't run on alpha-vms which requires linking with other libraries,
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# or on targets that complain about relocations in read-only sections.
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if { [istarget *-*-vms]
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|| [istarget bfin-*-*]
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|| [istarget frv-*-*]
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|| [istarget lm32-*-*] } then {
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return
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}
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# Check that scripts using the "=" sysroot-prefix work, for both
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# toolchains with and without --sysroot support.
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# We test this by emitting archives into a subdirectory and expect
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# constructs such as GROUP and AS_NEEDED (the only two constructs
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# actually tested) to find them (or not); both quoted and unquoted
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# paths, with different prefixes on the path and with --sysroot
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# present or not, with different arguments.
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# Find out if the linker supports sysroot; if it was configured
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# "--with-sysroot X" where X is a non-empty string.
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set with_sysroot [check_sysroot_available]
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verbose -log "Has (non-empty) sysroot support: $with_sysroot; \"$ld_sysroot\""
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# We also need to know if the sysroot is "/" (a common use) as some of
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# the tests prepend sysroot to the current directory and on most
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# common systems "//dir/path" is handled as "/dir/path".
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if {$ld_sysroot == "/"} {
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# Use a modified test-subset for testing.
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set with_sysroot 3
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}
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# The linker on Windows expects Windows style paths.
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# MSYS2 runtime converts paths in the command line automatically.
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# However, for our test linker scripts, we have to prepare
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# the correct paths manually.
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proc get_base_dir_for_scripts {} {
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global base_dir
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global get_base_dir_for_scripts_saved
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if { ![info exists get_base_dir_for_scripts_saved] } {
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set get_base_dir_for_scripts_saved $base_dir
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if { ([ishost *-*-cygwin] || [ishost *-*-mingw*] )
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&& ![catch "exec cygpath -m $base_dir" base_dir_converted] } {
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set get_base_dir_for_scripts_saved $base_dir_converted
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}
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}
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return $get_base_dir_for_scripts_saved
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}
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# Entries in the array-tables:
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# 0: Testtype; an inclusive bitmask indicating that the test should run on a
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# build configured for: 1: non-sysroot, 2: sysroot != "/", 4: sysroot == "/".
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# 1: Description, forming part of the dejagnu test-name.
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# 2: Replacement for @p@.
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# 3: Option to pass to linker (usually something with --sysroot).
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# 4: Message substring; a substring to match against the error message
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# if an error is expected, or empty if no error is expected.
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#
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# If the replacement or option contains @cwd@, that'll be replaced by
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# "$base_dir/tmpdir", the full path to the location of the script
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# (with the actual files in the "sysroot" subdirectory). If the
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# description contains @cwd@, that will be replaced by "<CWD>".
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set sysroot_prefix_tests {
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{7 "plain -Lpath" "sysroot/" {} ""}
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{7 "root-anchored but -Lpath" "/sysroot/" {} "cannot find"}
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{7 "full-path" "@cwd@/sysroot/" {} ""}
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{7 "root-anchored =-prefixed -Lpath" "=/sysroot/" {} "cannot find"}
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{7 "root-anchored $SYSROOT-prefixed -Lpath" "$SYSROOT/sysroot/" {} "cannot find"}
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{7 "plain =-prefixed with empty" "=sysroot/" "--sysroot=" ""}
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{7 "plain $SYSROOT-prefixed with empty" "$SYSROOTsysroot/" "--sysroot=" ""}
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{6 "root-anchored but script outside sysroot" "/" "--sysroot=@cwd@/sysroot" "cannot find"}
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{6 "root-anchored and script inside sysroot" "/sysroot/" "--sysroot=@cwd@" ""}
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{6 "root-anchored =-prefixed script outside" "=/" "--sysroot=@cwd@/sysroot" ""}
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{6 "root-anchored $SYSROOT-prefixed script outside" "$SYSROOT/" "--sysroot=@cwd@/sysroot" ""}
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{6 "root-anchored =-prefixed script inside" "=/sysroot/" "--sysroot=@cwd@" ""}
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{6 "root-anchored $SYSROOT-prefixed script inside" "$SYSROOT/sysroot/" "--sysroot=@cwd@" ""}
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{2 "plain =-prefixed without but -Lpath" "=sysroot/" {} "cannot find"}
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{2 "plain $SYSROOT-prefixed without but -Lpath" "$SYSROOTsysroot/" {} "cannot find"}
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{2 "full-path =-prefixed without" "=@cwd@/sysroot/" {} "cannot find"}
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{2 "full-path $SYSROOT-prefixed without" "$SYSROOT@cwd@/sysroot/" {} "cannot find"}
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{1 "plain =-prefixed -Lpath" "=sysroot/" {} ""}
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{1 "plain $SYSROOT-prefixed -Lpath" "$SYSROOTsysroot/" {} ""}
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{1 "full-path =-prefixed without" "=@cwd@/sysroot/" {} ""}
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{1 "full-path $SYSROOT-prefixed without" "$SYSROOT@cwd@/sysroot/" {} ""}
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}
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# May have to provide a target-specific assembler option for some targets.
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set gasopt ""
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# Intentionally similar to the ubiquitous glibc libc.so script.
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set template "GROUP ( @q@@p@tmp/ldtest-xyzzy/libx.a@q@ AS_NEEDED ( @q@@p@tmp/ldtest-xyzzy/liby.a@q@ ) )"
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# Set up everything from the variables above.
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proc sysroot_prefix_test_setup { } {
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global as gasopt srcdir subdir ar
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if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/pr14962a.s tmpdir/main.o]} {
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perror "Error assembling a trivial file for sysroot-prefix tests framework"
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return 0
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}
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# We need somewhere under tmpdir to point the sysroot, a subdirectory
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# that is benevolent if it escapes into "/".
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remote_exec host "mkdir -p tmpdir/sysroot/tmp/ldtest-xyzzy"
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# 0: a "main" object that needs a symbol (x) (most portably by
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# using a pre-existing file). 1: a library with an object that
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# provides that symbol and needs another one (y). 2: another
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# library with a third object providing that other symbol.
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set sysroot_prefix_tests_framework_objects {
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{"pr14962a.s" "main" ""}
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{"sysroot-prefix-x.s" "x" "x"}
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{"sysroot-prefix-y.s" "y" "y"}
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}
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foreach test_object $sysroot_prefix_tests_framework_objects {
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set sname [lindex $test_object 0]
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set onamebase [lindex $test_object 1]
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set oname "tmpdir/$onamebase.o"
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set libnamebase [lindex $test_object 2]
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if ![ld_assemble_flags $as $gasopt $srcdir/$subdir/$sname $oname] {
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perror "Error assembling trivial file $sname for sysroot-prefix tests framework"
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return 0
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}
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if { [string length $libnamebase] != 0 &&
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![ar_simple_create $ar "" tmpdir/sysroot/tmp/ldtest-xyzzy/lib$libnamebase.a $oname] } {
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perror "Error creating archive $libnamebase for sysroot-prefix tests framework"
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return 0
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}
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}
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return 1
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}
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# Run a single linker test.
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proc single_sysroot_prefix_test { type xtestname finalscript ldopt errstr } {
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global ld exec_output with_sysroot
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set scriptname "tmpdir/libsysroottest.a"
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set testname "sysroot-prefix $xtestname"
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if { ($type & ($with_sysroot + 1)) == 0 } {
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unsupported $testname
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return
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}
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if [catch { set ofd [open $scriptname w] } x] {
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perror "$x"
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unresolved $testname
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return
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}
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puts $ofd "$finalscript"
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close $ofd
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verbose -log "script $scriptname: $finalscript"
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set res [ld_link $ld tmpdir/output "$ldopt tmpdir/main.o -Ltmpdir -lsysroottest"]
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set ld_output "$exec_output"
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set expect_success [expr [string length $errstr] == 0]
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if { $res == $expect_success &&
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($expect_success || [regexp "$errstr" $ld_output]) } {
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pass $testname
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catch "exec rm -f $scriptname"
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} {
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fail $testname
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}
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}
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# Run all interesting variants from an option-and-path combination.
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proc run_sysroot_prefix_test { type name templ p ldopt errstr } {
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global base_dir
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set qlist { { "quoted" "\"" } { "unquoted" {} } }
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regsub -all "@p@" $templ $p templ
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regsub -all "@cwd@" $templ "[get_base_dir_for_scripts]/tmpdir" templ
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regsub -all "@cwd@" $ldopt "$base_dir/tmpdir" ldopt
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regsub -all "@cwd@" $name "<CWD>" name
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foreach qitems $qlist {
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regsub -all "@q@" $templ [lindex $qitems 1] finalscript
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single_sysroot_prefix_test $type "$name, [lindex $qitems 0]" \
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$finalscript $ldopt $errstr
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}
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}
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# Run a list of option-and-path test-combinations.
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proc run_sysroot_prefix_tests { descr templ items } {
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foreach item $items {
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set type [lindex $item 0]
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set name [lindex $item 1]
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set p [lindex $item 2]
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set ldopt [lindex $item 3]
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set errstr [lindex $item 4]
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run_sysroot_prefix_test $type "$descr $name" $templ "$p" "$ldopt" "$errstr"
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}
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}
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if ![sysroot_prefix_test_setup] {
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return
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}
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run_sysroot_prefix_tests "common" $template $sysroot_prefix_tests
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