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 # Alpha does not support selective linking
  36 if {[istarget "alpha*-*-*"]} {
  37     return
  38 }
  39
  40 # List contains test-items with three items followed by four lists:
  41 # 1:name 2:test-type (CC or C++; add as needed) 3:filename 4:ld-flags
  42 # 5:must-have-symbols 6:must-not-have-symbols 7:xfail-targets.
  43 #
  44 # If a must(-not)-have symbol is a list, then that list must have two
  45 # items; the symbol name and a value the symbol must (not) have.
  46 #
  47 # Note: ld_nm trims leading `_' from _start
  48 #
  49 # FIXME: Instead of table, read settings from each source-file.
  50 set seltests {
  51   {selective1 C   1.c  {}       {}    {dropme1 dropme2} {alpha*-*}}
  52   {selective2 C   2.c  {}       {}    {foo} {alpha*-* mips*-*}}
  53   {selective3 C   2.c  {-u foo} {foo} {{foo 0}} {mips*-*}}
  54   {selective4 C++ 3.cc {}       {start a A::foo() B::foo()} {A::bar()} {alpha*-*  mips*-*}}
  55   {selective5 C++ 4.cc {}       {start a A::bar()} {A::foo() B::foo()} {alpha*-*  mips*-*}}
  56   {selective6 C++ 5.cc {}       {start a A::bar()}
  57     {A::foo() B::foo() dropme1() dropme2()} {*-*-*}}
  58 }
  59
  60 set cflags "-w -O -ffunction-sections -fdata-sections"
  61 set cxxflags "-fvtable-gc -fno-exceptions -fno-rtti"
  62 set ldflags "--gc-sections -Bstatic"
  63
  64 if [istarget sh64*-*-elf] {
  65     # This is what gcc passes to ld by default, plus switch to the
  66     # "usual" ELF _start (shelf32 normally uses just `start' for COFF
  67     # compatibility)
  68     set ldflags "-e _start -mshelf32 $ldflags"
  69 }
  70
  71 # If we don't have g++ for the target, mark all tests as untested.
  72 if { [which $CXX] == 0 } {
  73     foreach testitem $seltests {
  74         untested "[lindex $testitem 0]"
  75     }
  76     return
  77 }
  78
  79 foreach testitem $seltests {
  80     set testname [lindex $testitem 0]
  81     set testtype [lindex $testitem 1]
  82     set testfile [lindex $testitem 2]
  83     set objfile "tmpdir/[file rootname $testfile].o"
  84     set ldfile "tmpdir/[file rootname $testfile].x"
  85     set failed 0
  86
  87     set ldargs [lindex $testitem 3]
  88     set mustsyms [lindex $testitem 4]
  89     set mustnotsyms [lindex $testitem 5]
  90     set xfails [lindex $testitem 6]
  91
  92     foreach xfail_target $xfails {
  93         setup_xfail $xfail_target
  94     }
  95
  96     # It's either C or C++ at the moment.
  97     if { $testtype == "C++" } {
  98         set testflags "$cflags $cxxflags"
  99     } {
 100         set testflags "$cflags"
 101     }
 102
 103     # Note that we do not actually *use* CXX; we just add cxxflags for C++
 104     # tests.  It might have been a buglet originally; now I think better
 105     # leave as is.
 106     if { ![ld_compile "$CC $testflags" $srcdir/$subdir/$testfile $objfile] } {
 107         unresolved $testname
 108         continue
 109     }
 110
 111     # V850 targets need libgcc.a
 112     # FIXME: This does not work with installed toolchains!
 113     if [istarget v850*-*-elf] {
 114         set objfile "$objfile -L ../gcc -lgcc"
 115     }
 116
 117     # ARM targets need libgcc.a in THUMB mode so that __call_via_r3 is provided
 118     # FIXME: This does not work with installed toolchains!
 119     if {[istarget arm-*-*] || [istarget xscale-*-*]} {
 120         set objfile "$objfile -L ../gcc -lgcc"
 121     }
 122
 123     # HPPA linux targets need libgcc.a for millicode routines ($$dyncall).
 124     if [istarget hppa*-*-linux*] {
 125         catch "exec $CC -print-libgcc-file-name" libgcc
 126         set objfile "$objfile $libgcc"
 127     }
 128
 129     # m6811/m6812 code has references to soft registers.
 130     if {[istarget m6811-*-*] || [istarget m6812-*-*]} {
 131         set objfile "$objfile --defsym _.frame=0 --defsym _.d1=0"
 132         set objfile "$objfile --defsym _.d2=0"
 133     }
 134
 135     if ![ld_simple_link $ld $ldfile "$ldflags [join $ldargs] $objfile"] {
 136         fail $testname
 137         continue
 138     }
 139
 140     if ![ld_nm $nm --demangle $ldfile] {
 141         unresolved $testname
 142         continue
 143     }
 144
 145     # Must make V2 demangled names look like V3
 146     foreach nm_output_key [array names nm_output] {
 147         if [regsub \\(void\\) $nm_output_key () new_nm_output_key] {
 148             set nm_output($new_nm_output_key) nm_output($nm_output_key)
 149         }
 150     }
 151
 152     # Check each mandated symbol and optionally mandated values.
 153     foreach mustsym $mustsyms {
 154         if { [llength [concat $mustsym]] == 1 } {
 155             if { ![info exists nm_output($mustsym)] } {
 156                 verbose -log "$testname: missing $mustsym"
 157                 fail $testname
 158                 set failed 1
 159                 break
 160             }
 161         } {
 162             set mustsymname [lindex $mustsym 0]
 163             set mustsymvalue [lindex $mustsym 1]
 164             if { ![info exists nm_output($mustsymname)] } {
 165                 verbose -log "$testname: missing $mustsymname"
 166                 fail $testname
 167                 set failed 1
 168                 break
 169             } {
 170                 if { $nm_output($mustsymname) != $mustsymvalue } {
 171                     verbose -log "$testname: $mustsymname != $mustsymvalue"
 172                     verbose -log "is instead $nm_output($mustsymname)"
 173                     fail $testname
 174                     set failed 1
 175                     break
 176                 }
 177             }
 178         }
 179     }
 180
 181     if { $failed != 0 } {
 182         continue
 183     }
 184
 185     # Check each unwanted symbol, or that symbols do not have specific
 186     # values.
 187     foreach mustnotsym $mustnotsyms {
 188         if { [llength [concat $mustnotsym]] == 1 } {
 189             if { [info exists nm_output($mustnotsym)] } {
 190                 verbose -log "$testname: $mustnotsym == $nm_output($mustnotsym)"
 191                 fail $testname
 192                 set failed 1
 193                 break
 194             }
 195         } {
 196             set mustnotsymname [lindex $mustnotsym 0]
 197             set mustnotsymvalue [lindex $mustnotsym 1]
 198             if { [info exists nm_output($mustnotsymname)] \
 199                     && $nm_output($mustnotsymname) == $mustnotsymvalue} {
 200                 verbose -log "$testname: $mustnotsymname == $mustnotsymvalue"
 201                 fail $testname
 202                 set failed 1
 203                 break
 204             }
 205         }
 206     }
 207
 208     if { $failed == 0 } {
 209         pass $testname
 210     }
 211 }