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 # Only ELF based ports support selective linking
  22 if ![is_elf_format] {
  23     return
  24 }
  25
  26 # List contains test-items with three items followed by four lists:
  27 # 1:name 2:test-type (CC or C++; add as needed) 3:filename 4:ld-flags
  28 # 5:must-have-symbols 6:must-not-have-symbols 7:xfail-targets.
  29 #
  30 # If a must(-not)-have symbol is a list, then that list must have two
  31 # items; the symbol name and a value the symbol must (not) have.
  32 #
  33 # Note: ld_nm trims leading `_' from _start
  34 #
  35 # FIXME: Instead of table, read settings from each source-file.
  36 set seltests {
  37   {selective1 C   1.c  {}       {}    {dropme1 dropme2} {}}
  38   {selective2 C   2.c  {}       {}    {foo} {mips*-*}}
  39   {selective3 C   2.c  {-u foo} {foo} {{foo 0}} {mips*-*}}
  40   {selective4 C++ 3.cc {}       {start a A::foo() B::foo()} {A::bar()} {mips*-*}}
  41   {selective5 C++ 4.cc {}       {start a A::bar()} {A::foo() B::foo()} {mips*-*}}
  42   {selective6 C++ 5.cc {}       {start a A::bar()}
  43     {A::foo() B::foo() dropme1() dropme2()} {*-*-*}}
  44 }
  45
  46 set cflags "-w -O -ffunction-sections -fdata-sections"
  47 set cxxflags "-fvtable-gc -fno-exceptions -fno-rtti"
  48 set ldflags "--gc-sections -Bstatic"
  49
  50 if [istarget sh64*-*-elf] {
  51     # This is what gcc passes to ld by default, plus switch to the
  52     # "usual" ELF _start (shelf32 normally uses just `start' for COFF
  53     # compatibility)
  54     set ldflags "-e _start -mshelf32 $ldflags"
  55 }
  56
  57 # If we don't have g++ for the target, mark all tests as untested.
  58 if { [which $CXX] == 0 } {
  59     foreach testitem $seltests {
  60         untested "[lindex $testitem 0]"
  61     }
  62     return
  63 }
  64
  65 foreach testitem $seltests {
  66     set testname [lindex $testitem 0]
  67     set testtype [lindex $testitem 1]
  68     set testfile [lindex $testitem 2]
  69     set objfile "tmpdir/[file rootname $testfile].o"
  70     set ldfile "tmpdir/[file rootname $testfile].x"
  71     set failed 0
  72
  73     set ldargs [lindex $testitem 3]
  74     set mustsyms [lindex $testitem 4]
  75     set mustnotsyms [lindex $testitem 5]
  76     set xfails [lindex $testitem 6]
  77
  78     foreach xfail_target $xfails {
  79         setup_xfail $xfail_target
  80     }
  81     setup_xfail "alpha*-*" "arc*-*" "d30v*-*" "dlx*-*" "i370*-*" "i860*-*"
  82     setup_xfail "i960*-*" "ia64*-*" "mn10200-*" "or32-*" "pj-*" "sparc64*-*"
  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 $testname
  96         continue
  97     }
  98
  99     # V850 targets need libgcc.a
 100     # FIXME: This does not work with installed toolchains!
 101     if [istarget v850*-*-elf] {
 102         set objfile "$objfile -L ../gcc -lgcc"
 103     }
 104
 105     # ARM targets need libgcc.a in THUMB mode so that __call_via_r3 is provided
 106     # FIXME: This does not work with installed toolchains!
 107     if {[istarget arm-*-*] || [istarget xscale-*-*]} {
 108         set objfile "$objfile -L ../gcc -lgcc"
 109     }
 110
 111     # HPPA linux targets need libgcc.a for millicode routines ($$dyncall).
 112     if [istarget hppa*-*-linux*] {
 113         catch "exec $CC -print-libgcc-file-name" libgcc
 114         set objfile "$objfile $libgcc"
 115     }
 116
 117     # m6811/m6812 code has references to soft registers.
 118     if {[istarget m6811-*-*] || [istarget m6812-*-*]} {
 119         set objfile "$objfile --defsym _.frame=0 --defsym _.d1=0"
 120         set objfile "$objfile --defsym _.d2=0"
 121     }
 122
 123     if ![ld_simple_link $ld $ldfile "$ldflags [join $ldargs] $objfile"] {
 124         fail $testname
 125         continue
 126     }
 127
 128     if ![ld_nm $nm --demangle $ldfile] {
 129         unresolved $testname
 130         continue
 131     }
 132
 133     # Must make V2 demangled names look like V3
 134     foreach nm_output_key [array names nm_output] {
 135         if [regsub \\(void\\) $nm_output_key () new_nm_output_key] {
 136             set nm_output($new_nm_output_key) nm_output($nm_output_key)
 137         }
 138     }
 139
 140     # Check each mandated symbol and optionally mandated values.
 141     foreach mustsym $mustsyms {
 142         if { [llength [concat $mustsym]] == 1 } {
 143             if { ![info exists nm_output($mustsym)] } {
 144                 verbose -log "$testname: missing $mustsym"
 145                 fail $testname
 146                 set failed 1
 147                 break
 148             }
 149         } {
 150             set mustsymname [lindex $mustsym 0]
 151             set mustsymvalue [lindex $mustsym 1]
 152             if { ![info exists nm_output($mustsymname)] } {
 153                 verbose -log "$testname: missing $mustsymname"
 154                 fail $testname
 155                 set failed 1
 156                 break
 157             } {
 158                 if { $nm_output($mustsymname) != $mustsymvalue } {
 159                     verbose -log "$testname: $mustsymname != $mustsymvalue"
 160                     verbose -log "is instead $nm_output($mustsymname)"
 161                     fail $testname
 162                     set failed 1
 163                     break
 164                 }
 165             }
 166         }
 167     }
 168
 169     if { $failed != 0 } {
 170         continue
 171     }
 172
 173     # Check each unwanted symbol, or that symbols do not have specific
 174     # values.
 175     foreach mustnotsym $mustnotsyms {
 176         if { [llength [concat $mustnotsym]] == 1 } {
 177             if { [info exists nm_output($mustnotsym)] } {
 178                 verbose -log "$testname: $mustnotsym == $nm_output($mustnotsym)"
 179                 fail $testname
 180                 set failed 1
 181                 break
 182             }
 183         } {
 184             set mustnotsymname [lindex $mustnotsym 0]
 185             set mustnotsymvalue [lindex $mustnotsym 1]
 186             if { [info exists nm_output($mustnotsymname)] \
 187                     && $nm_output($mustnotsymname) == $mustnotsymvalue} {
 188                 verbose -log "$testname: $mustnotsymname == $mustnotsymvalue"
 189                 fail $testname
 190                 set failed 1
 191                 break
 192             }
 193         }
 194     }
 195
 196     if { $failed == 0 } {
 197         pass $testname
 198     }
 199 }