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
  22 # AOUT based ports do not support selective linking
  23 if {[istarget "vax-*-ultrix*"]} {
  24     return
  25 }
  26
  27 # COFF based ports do not support selective linking
  28 if {[istarget "*-*-coff"]} {
  29     return
  30 }
  31 if {[istarget "*-*-pe"]} {
  32     return
  33 }
  34
  35 # List contains test-items with three items followed by four lists:
  36 # 1:name 2:test-type (CC or C++; add as needed) 3:filename 4:ld-flags
  37 # 5:must-have-symbols 6:must-not-have-symbols 7:xfail-targets.
  38 #
  39 # If a must(-not)-have symbol is a list, then that list must have two
  40 # items; the symbol name and a value the symbol must (not) have.
  41 #
  42 # Note: ld_nm trims leading `_' from _start
  43 #
  44 # FIXME: Instead of table, read settings from each source-file.
  45 set seltests {
  46   {selective1 C   1.c  {}       {}    {dropme1 dropme2} {alpha*-*}}
  47   {selective2 C   2.c  {}       {}    {foo} {alpha*-* mips*-*}}
  48   {selective3 C   2.c  {-u foo} {foo} {{foo 0}} {mips*-*}}
  49   {selective4 C++ 3.cc {}       {start a A::foo() B::foo()} {A::bar()} {alpha*-*  mips*-*}}
  50   {selective5 C++ 4.cc {}       {start a A::bar()} {A::foo() B::foo()} {alpha*-*  mips*-*}}
  51   {selective6 C++ 5.cc {}       {start a A::bar()}
  52     {A::foo() B::foo() dropme1() dropme2()} {*-*-*}}
  53 }
  54
  55 set cflags "-w -O -ffunction-sections -fdata-sections"
  56 set cxxflags "-fvtable-gc -fno-exceptions -fno-rtti"
  57 set ldflags "--gc-sections -Bstatic"
  58
  59 # If we don't have g++ for the target, mark all tests as untested.
  60 if { [which $CXX] == 0 } {
  61     foreach testitem $seltests {
  62         untested "[lindex $testitem 0]"
  63     }
  64     return
  65 }
  66
  67 foreach testitem $seltests {
  68     set testname [lindex $testitem 0]
  69     set testtype [lindex $testitem 1]
  70     set testfile [lindex $testitem 2]
  71     set objfile "tmpdir/[file rootname $testfile].o"
  72     set ldfile "tmpdir/[file rootname $testfile].x"
  73     set failed 0
  74
  75     set ldargs [lindex $testitem 3]
  76     set mustsyms [lindex $testitem 4]
  77     set mustnotsyms [lindex $testitem 5]
  78     set xfails [lindex $testitem 6]
  79
  80     foreach xfail_target $xfails {
  81         setup_xfail $xfail_target
  82     }
  83
  84     # It's either C or C++ at the moment.
  85     if { $testtype == "C++" } {
  86         set testflags "$cflags $cxxflags"
  87     } {
  88         set testflags "$cflags"
  89     }
  90
  91     # Note that we do not actually *use* CXX; we just add cxxflags for C++
  92     # tests.  It might have been a buglet originally; now I think better
  93     # leave as is.
  94     if { ![ld_compile "$CC $testflags" $srcdir/$subdir/$testfile $objfile] } {
  95         unresolved $testname
  96         continue
  97     }
  98
  99     # V850 targets need libgcc.a
 100     if [istarget v850*-*-elf] {
 101         set objfile "$objfile -L ../gcc -lgcc"
 102     }
 103
 104     # ARM targets need libgcc.a in THUMB mode so that __call_via_r3 is provided
 105     if {[istarget arm-*-*] || [istarget xscale-*-*]} {
 106         set objfile "$objfile -L ../gcc -lgcc"
 107     }
 108
 109     # m6811/m6812 code has references to soft registers.
 110     if {[istarget m6811-*-*] || [istarget m6812-*-*]} {
 111         set objfile "$objfile --defsym _.frame=0 --defsym _.d1=0"
 112         set objfile "$objfile --defsym _.d2=0"
 113     }
 114
 115     if ![ld_simple_link $ld $ldfile "$ldflags [join $ldargs] $objfile"] {
 116         fail $testname
 117         continue
 118     }
 119
 120     if ![ld_nm $nm --demangle $ldfile] {
 121         unresolved $testname
 122         continue
 123     }
 124
 125     # Must make V2 demangled names look like V3
 126     foreach nm_output_key [array names nm_output] {
 127         if [regsub \\(void\\) $nm_output_key () new_nm_output_key] {
 128             set nm_output($new_nm_output_key) nm_output($nm_output_key)
 129         }
 130     }
 131
 132     # Check each mandated symbol and optionally mandated values.
 133     foreach mustsym $mustsyms {
 134         if { [llength [concat $mustsym]] == 1 } {
 135             if { ![info exists nm_output($mustsym)] } {
 136                 verbose -log "$testname: missing $mustsym"
 137                 fail $testname
 138                 set failed 1
 139                 break
 140             }
 141         } {
 142             set mustsymname [lindex $mustsym 0]
 143             set mustsymvalue [lindex $mustsym 1]
 144             if { ![info exists nm_output($mustsymname)] } {
 145                 verbose -log "$testname: missing $mustsymname"
 146                 fail $testname
 147                 set failed 1
 148                 break
 149             } {
 150                 if { $nm_output($mustsymname) != $mustsymvalue } {
 151                     verbose -log "$testname: $mustsymname != $mustsymvalue"
 152                     verbose -log "is instead $nm_output($mustsymname)"
 153                     fail $testname
 154                     set failed 1
 155                     break
 156                 }
 157             }
 158         }
 159     }
 160
 161     if { $failed != 0 } {
 162         continue
 163     }
 164
 165     # Check each unwanted symbol, or that symbols do not have specific
 166     # values.
 167     foreach mustnotsym $mustnotsyms {
 168         if { [llength [concat $mustnotsym]] == 1 } {
 169             if { [info exists nm_output($mustnotsym)] } {
 170                 verbose -log "$testname: $mustnotsym == $nm_output($mustnotsym)"
 171                 fail $testname
 172                 set failed 1
 173                 break
 174             }
 175         } {
 176             set mustnotsymname [lindex $mustnotsym 0]
 177             set mustnotsymvalue [lindex $mustnotsym 1]
 178             if { [info exists nm_output($mustnotsymname)] \
 179                     && $nm_output($mustnotsymname) == $mustnotsymvalue} {
 180                 verbose -log "$testname: $mustnotsymname == $mustnotsymvalue"
 181                 fail $testname
 182                 set failed 1
 183                 break
 184             }
 185         }
 186     }
 187
 188     if { $failed == 0 } {
 189         pass $testname
 190     }
 191 }