237 lines
7.5 KiB
Text
237 lines
7.5 KiB
Text
# Expect script for LD selective linking tests
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# Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
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# 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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#
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# Written by Catherine Moore (clm@cygnus.com)
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# Make sure that constructors are handled correctly.
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# Only ELF based ports support selective linking
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if ![is_elf_format] {
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return
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}
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# These targets do not support selective linking
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if {[istarget "alpha*-*-*"] || [istarget "am33*-*-*"] ||
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[istarget "arc-*-*"] || [istarget "d30v-*-*"] ||
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[istarget "dlx-*-*"] || [istarget "hppa*64*-*-*"] ||
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[istarget "i370-*-*"] || [istarget "i860-*-*"] ||
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[istarget "i960-*-*"] || [istarget "ia64-*-*"] ||
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[istarget "m88*-*-*"] || [istarget "mn10200-*-*"] ||
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[istarget "mep-*-*"] || [istarget "or32-*-*"] ||
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[istarget "pj*-*-*"]} {
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return
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}
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# List contains test-items with three items followed by four lists:
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# 1:name 2:test-type (CC or C++; add as needed) 3:filename 4:ld-flags
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# 5:must-have-symbols 6:must-not-have-symbols 7:xfail-targets.
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#
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# If a must(-not)-have symbol is a list, then that list must have two
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# items; the symbol name and a value the symbol must (not) have.
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#
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# Note: ld_nm trims leading `_' from _start
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#
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# FIXME: Instead of table, read settings from each source-file.
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set seltests {
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{selective1 C 1.c {} {} {dropme1 dropme2} {}}
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{selective2 C 2.c {} {} {foo} {}}
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{selective3 C 2.c {-u foo} {foo} {{foo 0}} {}}
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{selective4 C++ 3.cc {} {start a A::foo() B::foo()} {A::bar()} {mips*-*}}
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{selective5 C++ 4.cc {} {start a A::bar()} {A::foo() B::foo()} {mips*-*}}
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{selective6 C++ 5.cc {} {start a A::bar()}
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{A::foo() B::foo() dropme1() dropme2()} {*-*-*}}
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}
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set cflags "-w -O -ffunction-sections -fdata-sections"
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set cxxflags "-fvtable-gc -fno-exceptions -fno-rtti"
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set ldflags "--gc-sections -Bstatic"
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if [istarget mips*-*] {
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# MIPS16 doesn't support PIC code.
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set cflags "-mno-abicalls $cflags"
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# MIPS ELF uses __start by default, we override it.
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set ldflags "-e _start $ldflags"
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}
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if [istarget sh64*-*-elf] {
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# This is what gcc passes to ld by default, plus switch to the
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# "usual" ELF _start (shelf32 normally uses just `start' for COFF
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# compatibility)
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set ldflags "-e _start -mshelf32 $ldflags"
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}
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# If we don't have g++ for the target, mark all tests as untested.
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if { ![is_remote host] && [which $CXX] == 0 } {
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foreach testitem $seltests {
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untested "[lindex $testitem 0]"
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}
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return
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}
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foreach testitem $seltests {
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set testname [lindex $testitem 0]
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set testtype [lindex $testitem 1]
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set testfile [lindex $testitem 2]
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set objfile "tmpdir/[file rootname $testfile].o"
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set ldfile "tmpdir/[file rootname $testfile].x"
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set failed 0
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set ldargs [lindex $testitem 3]
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set mustsyms [lindex $testitem 4]
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set mustnotsyms [lindex $testitem 5]
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set xfails [lindex $testitem 6]
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foreach xfail_target $xfails {
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setup_xfail $xfail_target
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}
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setup_xfail "arc*-*" "d30v*-*" "dlx*-*" "i370*-*" "i860*-*"
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setup_xfail "i960*-*" "mn10200-*" "or32-*" "pj-*"
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# It's either C or C++ at the moment.
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if { $testtype == "C++" } {
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set testflags "$cflags $cxxflags"
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set compiler "$CXX"
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# Starting with 3.4.0, -fvtable-gc is no longer supported and thus
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# the functionality we try to test for cannot be expected to work.
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set version [remote_exec host "$CXX -dumpversion"]
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set version [lindex $version 1]
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if [regexp "^(\[1-9\]\[0-9\]+|\[4-9\]|3.(\[1-9\]\[0-9\]+|\[4-9\]))\\." $version] {
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setup_xfail {*-*-*}
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}
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} else {
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set testflags "$cflags"
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set compiler "$CC"
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}
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# Note that we do not actually *use* CXX; we just add cxxflags for C++
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# tests. It might have been a buglet originally; now I think better
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# leave as is.
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if { ![ld_compile "$compiler $testflags" $srcdir/$subdir/$testfile $objfile] } {
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unresolved $testname
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continue
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}
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# V850 targets need libgcc.a
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if [istarget v850*-*-elf] {
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set libgcc [remote_exec host "$compiler -print-libgcc-file-name"]
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set libgcc [lindex $libgcc 1]
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regsub -all "\[\r\n\]" $libgcc "" libgcc
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set objfile "$objfile $libgcc"
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}
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# ARM targets need libgcc.a in THUMB mode so that __call_via_r3 is provided
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if {[istarget arm-*-*] || [istarget xscale-*-*]} {
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set libgcc [remote_exec host "$compiler -print-libgcc-file-name"]
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set libgcc [lindex $libgcc 1]
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regsub -all "\[\r\n\]" $libgcc "" libgcc
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set objfile "$objfile $libgcc"
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}
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# HPPA linux targets need libgcc.a for millicode routines ($$dyncall).
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if [istarget hppa*-*-linux*] {
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set libgcc [remote_exec host "$compiler -print-libgcc-file-name"]
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set libgcc [lindex $libgcc 1]
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regsub -all "\[\r\n\]" $libgcc "" libgcc
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set objfile "$objfile $libgcc"
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}
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# m6811/m6812 code has references to soft registers.
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if {[istarget m6811-*-*] || [istarget m6812-*-*]} {
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set objfile "$objfile --defsym _.frame=0 --defsym _.d1=0"
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set objfile "$objfile --defsym _.d2=0"
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}
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if ![ld_simple_link $ld $ldfile "$ldflags [join $ldargs] $objfile"] {
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fail $testname
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continue
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}
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if ![ld_nm $nm --demangle $ldfile] {
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unresolved $testname
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continue
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}
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# Must make V2 demangled names look like V3
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foreach nm_output_key [array names nm_output] {
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if [regsub \\(void\\) $nm_output_key () new_nm_output_key] {
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set nm_output($new_nm_output_key) nm_output($nm_output_key)
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}
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}
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# Check each mandated symbol and optionally mandated values.
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foreach mustsym $mustsyms {
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if { [llength [concat $mustsym]] == 1 } {
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if { ![info exists nm_output($mustsym)] } {
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verbose -log "$testname: missing $mustsym"
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fail $testname
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set failed 1
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break
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}
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} {
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set mustsymname [lindex $mustsym 0]
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set mustsymvalue [lindex $mustsym 1]
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if { ![info exists nm_output($mustsymname)] } {
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verbose -log "$testname: missing $mustsymname"
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fail $testname
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set failed 1
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break
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} {
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if { $nm_output($mustsymname) != $mustsymvalue } {
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verbose -log "$testname: $mustsymname != $mustsymvalue"
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verbose -log "is instead $nm_output($mustsymname)"
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fail $testname
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set failed 1
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break
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}
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}
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}
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}
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if { $failed != 0 } {
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continue
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}
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# Check each unwanted symbol, or that symbols do not have specific
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# values.
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foreach mustnotsym $mustnotsyms {
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if { [llength [concat $mustnotsym]] == 1 } {
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if { [info exists nm_output($mustnotsym)] } {
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verbose -log "$testname: $mustnotsym == $nm_output($mustnotsym)"
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fail $testname
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set failed 1
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break
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}
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} {
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set mustnotsymname [lindex $mustnotsym 0]
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set mustnotsymvalue [lindex $mustnotsym 1]
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if { [info exists nm_output($mustnotsymname)] \
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&& $nm_output($mustnotsymname) == $mustnotsymvalue} {
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verbose -log "$testname: $mustnotsymname == $mustnotsymvalue"
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fail $testname
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set failed 1
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break
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}
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}
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}
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if { $failed == 0 } {
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pass $testname
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}
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}
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