ld/testsuite/ld-selective/selective.exp

   1 # Expect script for LD selective linking tests
   2 #   Copyright 1998, 1999, 2000, 2001 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 # COFF based ports do not support selective linking
  23 if {[istarget "*-*-coff"]} {
  24     return
  25 }
  26 if {[istarget "*-*-pe"]} {
  27     return
  28 }
  29
  30 # List contains test-items with three items followed by four lists:
  31 # 1:name 2:test-type (CC or C++; add as needed) 3:filename 4:ld-flags
  32 # 5:must-have-symbols 6:must-not-have-symbols 7:xfail-targets.
  33 #
  34 # If a must(-not)-have symbol is a list, then that list must have two
  35 # items; the symbol name and a value the symbol must (not) have.
  36 #
  37 # Note: ld_nm trims leading `_' from _start
  38 #
  39 # FIXME: Instead of table, read settings from each source-file.
  40 set seltests {
  41   {selective1 C 1.c {} {} {dropme1 dropme2} {}}
  42   {selective2 C 2.c {} {} {foo} {}}
  43   {selective3 C 2.c {-u foo} {foo} {{foo 0}} {}}
  44   {selective4 C++ 3.cc {} {start foo__1A foo__1B} {bar__1A} {}}
  45   {selective5 C++ 4.cc {} {} {foo__1B foo__1A} {}}
  46   {selective6 C++ 5.cc {} {} {foo__1B foo__1A dropme1__Fv dropme2__Fv} {*-*-*}}
  47 }
  48
  49 set cflags "-w -O2 -ffunction-sections -fdata-sections"
  50 set cxxflags "-fvtable-gc -fno-exceptions -fno-rtti"
  51 set ldflags "--gc-sections -Bstatic"
  52
  53 # If we don't have g++ for the target, mark all tests as untested.
  54 if { [which $CXX] == 0 } {
  55     foreach testitem $seltests {
  56         untested "[lindex $testitem 0]"
  57     }
  58     return
  59 }
  60
  61 foreach testitem $seltests {
  62     set testname [lindex $testitem 0]
  63     set testtype [lindex $testitem 1]
  64     set testfile [lindex $testitem 2]
  65     set objfile "tmpdir/[file rootname $testfile].o"
  66     set ldfile "tmpdir/[file rootname $testfile].x"
  67     set failed 0
  68
  69     set ldargs [lindex $testitem 3]
  70     set mustsyms [lindex $testitem 4]
  71     set mustnotsyms [lindex $testitem 5]
  72     set xfails [lindex $testitem 6]
  73
  74     foreach xfail_target $xfails {
  75         setup_xfail $xfail_target
  76     }
  77
  78     # It's either C or C++ at the moment.
  79     if { $testtype == "C++" } {
  80         set testflags "$cflags $cxxflags"
  81     } {
  82         set testflags "$cflags"
  83     }
  84
  85     # Note that we do not actually *use* CXX; we just add cxxflags for C++
  86     # tests.  It might have been a buglet originally; now I think better
  87     # leave as is.
  88     if { ![ld_compile "$CC $testflags" $srcdir/$subdir/$testfile $objfile] } {
  89         unresolved $testname
  90         return
  91     }
  92
  93     # V850 targets need libgcc.a
  94     if [istarget v850*-*-elf] {
  95         set objfile "$objfile -L ../gcc -lgcc"
  96     }
  97
  98     # m6811/m6812 code has references to soft registers.
  99     if {[istarget m6811-*-*] || [istarget m6812-*-*]} {
 100         set objfile "$objfile --defsym _.frame=0 --defsym _.d1=0"
 101         set objfile "$objfile --defsym _.d2=0"
 102     }
 103
 104     if ![ld_simple_link $ld $ldfile "$ldflags [join $ldargs] $objfile"] {
 105         fail $testname
 106         continue
 107     }
 108
 109     if ![ld_nm $nm $ldfile] {
 110         unresolved $testname
 111         continue
 112     }
 113
 114     # Check each mandated symbol and optionally mandated values.
 115     foreach mustsym $mustsyms {
 116         if { [llength [concat $mustsym]] == 1 } {
 117             if { ![info exists nm_output($mustsym)] } {
 118                 verbose -log "$testname: missing $mustsym"
 119                 fail $testname
 120                 set failed 1
 121                 break
 122             }
 123         } {
 124             set mustsymname [lindex $mustsym 0]
 125             set mustsymvalue [lindex $mustsym 1]
 126             if { ![info exists nm_output($mustsymname)] } {
 127                 verbose -log "$testname: missing $mustsymname"
 128                 fail $testname
 129                 set failed 1
 130                 break
 131             } {
 132                 if { $nm_output($mustsymname) != $mustsymvalue } {
 133                     verbose -log "$testname: $mustsymname != $mustsymvalue"
 134                     verbose -log "is instead $nm_output($mustsymname)"
 135                     fail $testname
 136                     set failed 1
 137                     break
 138                 }
 139             }
 140         }
 141     }
 142
 143     if { $failed != 0 } {
 144         continue
 145     }
 146
 147     # Check each unwanted symbol, or that symbols do not have specific
 148     # values.
 149     foreach mustnotsym $mustnotsyms {
 150         if { [llength [concat $mustnotsym]] == 1 } {
 151             if { [info exists nm_output($mustnotsym)] } {
 152                 verbose -log "$testname: $mustnotsym == $nm_output($mustnotsym)"
 153                 fail $testname
 154                 set failed 1
 155                 break
 156             }
 157         } {
 158             set mustnotsymname [lindex $mustnotsym 0]
 159             set mustnotsymvalue [lindex $mustnotsym 1]
 160             if { [info exists nm_output($mustnotsymname)] \
 161                     && $nm_output($mustnotsymname) == $mustnotsymvalue} {
 162                 verbose -log "$testname: $mustnotsymname == $mustnotsymvalue"
 163                 fail $testname
 164                 set failed 1
 165                 break
 166             }
 167         }
 168     }
 169
 170     if { $failed == 0 } {
 171         pass $testname
 172     }
 173 }
 174