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