ld/testsuite/ld-selective/selective.exp

   1 # Expect script for LD selective linking tests
   2 #   Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17 #
  18 # Written by Catherine Moore (clm@cygnus.com)
  19 # Make sure that constructors are handled correctly.
  20
  21 # Only ELF based ports support selective linking
  22 if ![is_elf_format] {
  23     return
  24 }
  25
  26 # IA64 does not support selective linking
  27 if {[istarget "ia64-*-*"]} {
  28     return
  29 }
  30
  31 # List contains test-items with three items followed by four lists:
  32 # 1:name 2:test-type (CC or C++; add as needed) 3:filename 4:ld-flags
  33 # 5:must-have-symbols 6:must-not-have-symbols 7:xfail-targets.
  34 #
  35 # If a must(-not)-have symbol is a list, then that list must have two
  36 # items; the symbol name and a value the symbol must (not) have.
  37 #
  38 # Note: ld_nm trims leading `_' from _start
  39 #
  40 # FIXME: Instead of table, read settings from each source-file.
  41 set seltests {
  42   {selective1 C   1.c  {}       {}    {dropme1 dropme2} {}}
  43   {selective2 C   2.c  {}       {}    {foo} {mips*-*}}
  44   {selective3 C   2.c  {-u foo} {foo} {{foo 0}} {mips*-*}}
  45   {selective4 C++ 3.cc {}       {start a A::foo() B::foo()} {A::bar()} {mips*-*}}
  46   {selective5 C++ 4.cc {}       {start a A::bar()} {A::foo() B::foo()} {mips*-*}}
  47   {selective6 C++ 5.cc {}       {start a A::bar()}
  48     {A::foo() B::foo() dropme1() dropme2()} {*-*-*}}
  49 }
  50
  51 set cflags "-w -O -ffunction-sections -fdata-sections"
  52 set cxxflags "-fvtable-gc -fno-exceptions -fno-rtti"
  53 set ldflags "--gc-sections -Bstatic"
  54
  55 if [istarget sh64*-*-elf] {
  56     # This is what gcc passes to ld by default, plus switch to the
  57     # "usual" ELF _start (shelf32 normally uses just `start' for COFF
  58     # compatibility)
  59     set ldflags "-e _start -mshelf32 $ldflags"
  60 }
  61
  62 # If we don't have g++ for the target, mark all tests as untested.
  63 if { [which $CXX] == 0 } {
  64     foreach testitem $seltests {
  65         untested "[lindex $testitem 0]"
  66     }
  67     return
  68 }
  69
  70 foreach testitem $seltests {
  71     set testname [lindex $testitem 0]
  72     set testtype [lindex $testitem 1]
  73     set testfile [lindex $testitem 2]
  74     set objfile "tmpdir/[file rootname $testfile].o"
  75     set ldfile "tmpdir/[file rootname $testfile].x"
  76     set failed 0
  77
  78     set ldargs [lindex $testitem 3]
  79     set mustsyms [lindex $testitem 4]
  80     set mustnotsyms [lindex $testitem 5]
  81     set xfails [lindex $testitem 6]
  82
  83     foreach xfail_target $xfails {
  84         setup_xfail $xfail_target
  85     }
  86     setup_xfail "alpha*-*" "arc*-*" "d30v*-*" "dlx*-*" "i370*-*" "i860*-*"
  87     setup_xfail "i960*-*" "mn10200-*" "or32-*" "pj-*" "sparc64*-*"
  88
  89     # It's either C or C++ at the moment.
  90     if { $testtype == "C++" } {
  91         set testflags "$cflags $cxxflags"
  92         if [string match "*gcc*" [lindex $CC 0]] {
  93             # Starting with 3.4.0, -fvtable-gc is no longer supported and thus
  94             # the functionality we try to test for cannot be expected to work.
  95             catch "exec -- $CC -dumpversion" version
  96             if [regexp "^(\[1-9\]\[0-9\]+|\[4-9\]|3.(\[1-9\]\[0-9\]+|\[4-9\]))\\." $version] {
  97                 setup_xfail {*-*-*}
  98             }
  99         }
 100     } {
 101         set testflags "$cflags"
 102     }
 103
 104     # Note that we do not actually *use* CXX; we just add cxxflags for C++
 105     # tests.  It might have been a buglet originally; now I think better
 106     # leave as is.
 107     if { ![ld_compile "$CC $testflags" $srcdir/$subdir/$testfile $objfile] } {
 108         unresolved $testname
 109         continue
 110     }
 111
 112     # V850 targets need libgcc.a
 113     # FIXME: This does not work with installed toolchains!
 114     if [istarget v850*-*-elf] {
 115         set objfile "$objfile -L ../gcc -lgcc"
 116     }
 117
 118     # ARM targets need libgcc.a in THUMB mode so that __call_via_r3 is provided
 119     # FIXME: This does not work with installed toolchains!
 120     if {[istarget arm-*-*] || [istarget xscale-*-*]} {
 121         set objfile "$objfile -L ../gcc -lgcc"
 122     }
 123
 124     # HPPA linux targets need libgcc.a for millicode routines ($$dyncall).
 125     if [istarget hppa*-*-linux*] {
 126         catch "exec $CC -print-libgcc-file-name" libgcc
 127         set objfile "$objfile $libgcc"
 128     }
 129
 130     # m6811/m6812 code has references to soft registers.
 131     if {[istarget m6811-*-*] || [istarget m6812-*-*]} {
 132         set objfile "$objfile --defsym _.frame=0 --defsym _.d1=0"
 133         set objfile "$objfile --defsym _.d2=0"
 134     }
 135
 136     if ![ld_simple_link $ld $ldfile "$ldflags [join $ldargs] $objfile"] {
 137         fail $testname
 138         continue
 139     }
 140
 141     if ![ld_nm $nm --demangle $ldfile] {
 142         unresolved $testname
 143         continue
 144     }
 145
 146     # Must make V2 demangled names look like V3
 147     foreach nm_output_key [array names nm_output] {
 148         if [regsub \\(void\\) $nm_output_key () new_nm_output_key] {
 149             set nm_output($new_nm_output_key) nm_output($nm_output_key)
 150         }
 151     }
 152
 153     # Check each mandated symbol and optionally mandated values.
 154     foreach mustsym $mustsyms {
 155         if { [llength [concat $mustsym]] == 1 } {
 156             if { ![info exists nm_output($mustsym)] } {
 157                 verbose -log "$testname: missing $mustsym"
 158                 fail $testname
 159                 set failed 1
 160                 break
 161             }
 162         } {
 163             set mustsymname [lindex $mustsym 0]
 164             set mustsymvalue [lindex $mustsym 1]
 165             if { ![info exists nm_output($mustsymname)] } {
 166                 verbose -log "$testname: missing $mustsymname"
 167                 fail $testname
 168                 set failed 1
 169                 break
 170             } {
 171                 if { $nm_output($mustsymname) != $mustsymvalue } {
 172                     verbose -log "$testname: $mustsymname != $mustsymvalue"
 173                     verbose -log "is instead $nm_output($mustsymname)"
 174                     fail $testname
 175                     set failed 1
 176                     break
 177                 }
 178             }
 179         }
 180     }
 181
 182     if { $failed != 0 } {
 183         continue
 184     }
 185
 186     # Check each unwanted symbol, or that symbols do not have specific
 187     # values.
 188     foreach mustnotsym $mustnotsyms {
 189         if { [llength [concat $mustnotsym]] == 1 } {
 190             if { [info exists nm_output($mustnotsym)] } {
 191                 verbose -log "$testname: $mustnotsym == $nm_output($mustnotsym)"
 192                 fail $testname
 193                 set failed 1
 194                 break
 195             }
 196         } {
 197             set mustnotsymname [lindex $mustnotsym 0]
 198             set mustnotsymvalue [lindex $mustnotsym 1]
 199             if { [info exists nm_output($mustnotsymname)] \
 200                     && $nm_output($mustnotsymname) == $mustnotsymvalue} {
 201                 verbose -log "$testname: $mustnotsymname == $mustnotsymvalue"
 202                 fail $testname
 203                 set failed 1
 204                 break
 205             }
 206         }
 207     }
 208
 209     if { $failed == 0 } {
 210         pass $testname
 211     }
 212 }