| # Expect script for LD selective linking tests |
| # Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
| # |
| # This file 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| # |
| # Written by Catherine Moore (clm@cygnus.com) |
| # Make sure that constructors are handled correctly. |
| |
| # Only ELF based ports support selective linking |
| if ![is_elf_format] { |
| return |
| } |
| |
| # IA64 does not support selective linking |
| if {[istarget "ia64-*-*"]} { |
| return |
| } |
| |
| # List contains test-items with three items followed by four lists: |
| # 1:name 2:test-type (CC or C++; add as needed) 3:filename 4:ld-flags |
| # 5:must-have-symbols 6:must-not-have-symbols 7:xfail-targets. |
| # |
| # If a must(-not)-have symbol is a list, then that list must have two |
| # items; the symbol name and a value the symbol must (not) have. |
| # |
| # Note: ld_nm trims leading `_' from _start |
| # |
| # FIXME: Instead of table, read settings from each source-file. |
| set seltests { |
| {selective1 C 1.c {} {} {dropme1 dropme2} {}} |
| {selective2 C 2.c {} {} {foo} {mips*-*}} |
| {selective3 C 2.c {-u foo} {foo} {{foo 0}} {mips*-*}} |
| {selective4 C++ 3.cc {} {start a A::foo() B::foo()} {A::bar()} {mips*-*}} |
| {selective5 C++ 4.cc {} {start a A::bar()} {A::foo() B::foo()} {mips*-*}} |
| {selective6 C++ 5.cc {} {start a A::bar()} |
| {A::foo() B::foo() dropme1() dropme2()} {*-*-*}} |
| } |
| |
| set cflags "-w -O -ffunction-sections -fdata-sections" |
| set cxxflags "-fvtable-gc -fno-exceptions -fno-rtti" |
| set ldflags "--gc-sections -Bstatic" |
| |
| if [istarget sh64*-*-elf] { |
| # This is what gcc passes to ld by default, plus switch to the |
| # "usual" ELF _start (shelf32 normally uses just `start' for COFF |
| # compatibility) |
| set ldflags "-e _start -mshelf32 $ldflags" |
| } |
| |
| # If we don't have g++ for the target, mark all tests as untested. |
| if { [which $CXX] == 0 } { |
| foreach testitem $seltests { |
| untested "[lindex $testitem 0]" |
| } |
| return |
| } |
| |
| foreach testitem $seltests { |
| set testname [lindex $testitem 0] |
| set testtype [lindex $testitem 1] |
| set testfile [lindex $testitem 2] |
| set objfile "tmpdir/[file rootname $testfile].o" |
| set ldfile "tmpdir/[file rootname $testfile].x" |
| set failed 0 |
| |
| set ldargs [lindex $testitem 3] |
| set mustsyms [lindex $testitem 4] |
| set mustnotsyms [lindex $testitem 5] |
| set xfails [lindex $testitem 6] |
| |
| foreach xfail_target $xfails { |
| setup_xfail $xfail_target |
| } |
| setup_xfail "alpha*-*" "arc*-*" "d30v*-*" "dlx*-*" "i370*-*" "i860*-*" |
| setup_xfail "i960*-*" "mn10200-*" "or32-*" "pj-*" "sparc64*-*" |
| |
| # It's either C or C++ at the moment. |
| if { $testtype == "C++" } { |
| set testflags "$cflags $cxxflags" |
| if [string match "*gcc*" [lindex $CC 0]] { |
| # Starting with 3.4.0, -fvtable-gc is no longer supported and thus |
| # the functionality we try to test for cannot be expected to work. |
| catch "exec -- $CC -dumpversion" version |
| if [regexp "^(\[1-9\]\[0-9\]+|\[4-9\]|3.(\[1-9\]\[0-9\]+|\[4-9\]))\\." $version] { |
| setup_xfail {*-*-*} |
| } |
| } |
| } { |
| set testflags "$cflags" |
| } |
| |
| # Note that we do not actually *use* CXX; we just add cxxflags for C++ |
| # tests. It might have been a buglet originally; now I think better |
| # leave as is. |
| if { ![ld_compile "$CC $testflags" $srcdir/$subdir/$testfile $objfile] } { |
| unresolved $testname |
| continue |
| } |
| |
| # V850 targets need libgcc.a |
| # FIXME: This does not work with installed toolchains! |
| if [istarget v850*-*-elf] { |
| set objfile "$objfile -L ../gcc -lgcc" |
| } |
| |
| # ARM targets need libgcc.a in THUMB mode so that __call_via_r3 is provided |
| # FIXME: This does not work with installed toolchains! |
| if {[istarget arm-*-*] || [istarget xscale-*-*]} { |
| set objfile "$objfile -L ../gcc -lgcc" |
| } |
| |
| # HPPA linux targets need libgcc.a for millicode routines ($$dyncall). |
| if [istarget hppa*-*-linux*] { |
| catch "exec $CC -print-libgcc-file-name" libgcc |
| set objfile "$objfile $libgcc" |
| } |
| |
| # m6811/m6812 code has references to soft registers. |
| if {[istarget m6811-*-*] || [istarget m6812-*-*]} { |
| set objfile "$objfile --defsym _.frame=0 --defsym _.d1=0" |
| set objfile "$objfile --defsym _.d2=0" |
| } |
| |
| if ![ld_simple_link $ld $ldfile "$ldflags [join $ldargs] $objfile"] { |
| fail $testname |
| continue |
| } |
| |
| if ![ld_nm $nm --demangle $ldfile] { |
| unresolved $testname |
| continue |
| } |
| |
| # Must make V2 demangled names look like V3 |
| foreach nm_output_key [array names nm_output] { |
| if [regsub \\(void\\) $nm_output_key () new_nm_output_key] { |
| set nm_output($new_nm_output_key) nm_output($nm_output_key) |
| } |
| } |
| |
| # Check each mandated symbol and optionally mandated values. |
| foreach mustsym $mustsyms { |
| if { [llength [concat $mustsym]] == 1 } { |
| if { ![info exists nm_output($mustsym)] } { |
| verbose -log "$testname: missing $mustsym" |
| fail $testname |
| set failed 1 |
| break |
| } |
| } { |
| set mustsymname [lindex $mustsym 0] |
| set mustsymvalue [lindex $mustsym 1] |
| if { ![info exists nm_output($mustsymname)] } { |
| verbose -log "$testname: missing $mustsymname" |
| fail $testname |
| set failed 1 |
| break |
| } { |
| if { $nm_output($mustsymname) != $mustsymvalue } { |
| verbose -log "$testname: $mustsymname != $mustsymvalue" |
| verbose -log "is instead $nm_output($mustsymname)" |
| fail $testname |
| set failed 1 |
| break |
| } |
| } |
| } |
| } |
| |
| if { $failed != 0 } { |
| continue |
| } |
| |
| # Check each unwanted symbol, or that symbols do not have specific |
| # values. |
| foreach mustnotsym $mustnotsyms { |
| if { [llength [concat $mustnotsym]] == 1 } { |
| if { [info exists nm_output($mustnotsym)] } { |
| verbose -log "$testname: $mustnotsym == $nm_output($mustnotsym)" |
| fail $testname |
| set failed 1 |
| break |
| } |
| } { |
| set mustnotsymname [lindex $mustnotsym 0] |
| set mustnotsymvalue [lindex $mustnotsym 1] |
| if { [info exists nm_output($mustnotsymname)] \ |
| && $nm_output($mustnotsymname) == $mustnotsymvalue} { |
| verbose -log "$testname: $mustnotsymname == $mustnotsymvalue" |
| fail $testname |
| set failed 1 |
| break |
| } |
| } |
| } |
| |
| if { $failed == 0 } { |
| pass $testname |
| } |
| } |