ld/testsuite/ld-selective/selective.exp

   1 # Expect script for LD selective linking tests
   2 #   Copyright (C) 1998, 1999, 2000 Free Software Foundation
   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} {v850*-*-elf}}
  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 $seltests 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     if ![ld_simple_link $ld $ldfile "$ldflags [join $ldargs] $objfile"] {
  94         fail $testname
  95         continue
  96     }
  97
  98     if ![ld_nm $nm $ldfile] {
  99         unresolved $testname
 100         continue
 101     }
 102
 103     # Check each mandated symbol and optionally mandated values.
 104     foreach mustsym $mustsyms {
 105         if { [llength [concat $mustsym]] == 1 } {
 106             if { ![info exists nm_output($mustsym)] } {
 107                 verbose -log "$testname: missing $mustsym"
 108                 fail $testname
 109                 set failed 1
 110                 break
 111             }
 112         } {
 113             set mustsymname [lindex $mustsym 0]
 114             set mustsymvalue [lindex $mustsym 1]
 115             if { ![info exists nm_output($mustsymname)] } {
 116                 verbose -log "$testname: missing $mustsymname"
 117                 fail $testname
 118                 set failed 1
 119                 break
 120             } {
 121                 if { $nm_output($mustsymname) != $mustsymvalue } {
 122                     verbose -log "$testname: $mustsymname != $mustsymvalue"
 123                     verbose -log "is instead $nm_output($mustsymname)"
 124                     fail $testname
 125                     set failed 1
 126                     break
 127                 }
 128             }
 129         }
 130     }
 131
 132     if { $failed != 0 } {
 133         continue
 134     }
 135
 136     # Check each unwanted symbol, or that symbols do not have specific
 137     # values.
 138     foreach mustnotsym $mustnotsyms {
 139         if { [llength [concat $mustnotsym]] == 1 } {
 140             if { [info exists nm_output($mustnotsym)] } {
 141                 verbose -log "$testname: $mustnotsym == $nm_output($mustnotsym)"
 142                 fail $testname
 143                 set failed 1
 144                 break
 145             }
 146         } {
 147             set mustnotsymname [lindex $mustnotsym 0]
 148             set mustnotsymvalue [lindex $mustnotsym 1]
 149             if { [info exists nm_output($mustnotsymname)] \
 150                     && $nm_output($mustnotsymname) == $mustnotsymvalue} {
 151                 verbose -log "$testname: $mustnotsymname == $mustnotsymvalue"
 152                 fail $testname
 153                 set failed 1
 154                 break
 155             }
 156         }
 157     }
 158
 159     if { $failed == 0 } {
 160         pass $testname
 161     }
 162 }
 163