ld/testsuite/ld-gc/gc.exp

   1 # Expect script for ld-gc tests
   2 #   Copyright 2008, 2009, 2010, 2012
   3 #   Free Software Foundation, Inc.
   4 #
   5 # This file is part of the GNU Binutils.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20 # MA 02110-1301, USA.
  21
  22 # These tests require --gc-sections
  23 if ![check_gc_sections_available] {
  24     return
  25 }
  26
  27 set cflags "-ffunction-sections -fdata-sections"
  28 set objfile "tmpdir/gc.o"
  29
  30 if [istarget powerpc64*-*-*] {
  31     # otherwise with -mcmodel=medium gcc we get XPASSes.
  32     set cflags "$cflags -mminimal-toc"
  33 }
  34
  35 if { [is_remote host] || [which $CC] != 0 } {
  36     ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
  37 }
  38
  39 proc test_gc { testname filename linker ldflags} {
  40     global nm
  41     global srcdir
  42     global subdir
  43     global nm_output
  44     global objfile
  45
  46     if ![file readable $objfile ] {
  47         untested $testname
  48         return
  49     }
  50
  51     set outfile "tmpdir/$filename"
  52     set options "-L$srcdir/$subdir"
  53     append options " " $ldflags " " [ld_simple_link_defsyms] " " $objfile
  54
  55     # SH64 targets needs an extra ld option for this test.
  56     if [istarget sh64*-*-*] {
  57         if [istarget sh64*l*-*-*] {
  58             set options "-mshlelf32 $options"
  59         } else {
  60             set options "-mshelf32 $options"
  61         }
  62     }
  63
  64     if ![ld_simple_link $linker $outfile $options] {
  65         fail $testname
  66         return
  67     }
  68     if ![ld_nm $nm "" $outfile] {
  69         unresolved $testname
  70         return
  71     }
  72     if {![info exists nm_output(used_func)] \
  73             || ![info exists nm_output(used_var)]} {
  74         send_log "used sections do not exist\n"
  75         verbose "used sections do not exist"
  76         fail $testname
  77         return
  78     }
  79     #ppc64_elf_gc_mark_hook needs to be taught how to look through
  80     #the .toc section to properly mark variable sections for gc.
  81     setup_xfail "powerpc64*-*-*"
  82     if {[info exists nm_output(unused_func)] \
  83             || [info exists nm_output(unused_var)]} {
  84         send_log "unused section still here\n"
  85         verbose "unused section still here"
  86         fail $testname
  87         return
  88     }
  89     pass $testname
  90 }
  91
  92 test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
  93 test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
  94 test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
  95 test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
  96
  97 run_dump_test "noent"
  98 run_dump_test "abi-note"
  99 run_dump_test "start"
 100
 101 if { [is_elf_format] && [check_shared_lib_support] } then {
 102     set gasopt ""
 103     if { [istarget tic6x-*] } then {
 104         set gasopt "-mpic -mpid=near"
 105     }
 106     if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o]
 107         || ![ld_simple_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then {
 108         fail libpersonality
 109     } else {
 110         run_dump_test "personality"
 111     }
 112 }
 113
 114 if { [is_remote host] || [which $CC] != 0 } {
 115     if { [istarget "*-*-linux*"]
 116          || [istarget "*-*-nacl*"]
 117          || [istarget "*-*-gnu*"] } {
 118         ld_compile "$CC -fPIC $CFLAGS $cflags" $srcdir/$subdir/pr11218-1.c tmpdir/pr11218-1.o
 119         ld_simple_link $ld tmpdir/pr11218-1.so "-shared tmpdir/pr11218-1.o"
 120         ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/pr11218-2.c tmpdir/pr11218-2.o
 121         run_dump_test "pr11218"
 122     }
 123 }
 124
 125 if { [is_remote host] || [which $CC] != 0 } {
 126         ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr13683.c tmpdir/pr13683.o
 127         run_dump_test "pr13683"
 128 }