# Expect script for LD selective linking tests # Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 # 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 } # Alpha and IA64 do not support selective linking if {[istarget "alpha*-*-*"] || [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 "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 if [istarget v850*-*-elf] { catch "exec $CC -print-libgcc-file-name" libgcc set objfile "$objfile $libgcc" } # ARM targets need libgcc.a in THUMB mode so that __call_via_r3 is provided if {[istarget arm-*-*] || [istarget xscale-*-*]} { catch "exec $CC -print-libgcc-file-name" libgcc set objfile "$objfile $libgcc" } # 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 } }