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 "$cflags -mminimal-toc"
  33 }
  34
  35 if { [istarget m681*-*-*] || [istarget m68hc1*-*-*] } {
  36     # Otherwise tests FAIL due to _.frame
  37     set cflags "$cflags -fomit-frame-pointer -mshort"
  38 }
  39
  40 if { [is_remote host] || [which $CC] != 0 } {
  41     ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
  42 }
  43
  44 proc test_gc { testname filename linker ldflags} {
  45     global nm
  46     global srcdir
  47     global subdir
  48     global nm_output
  49     global objfile
  50
  51     if ![file readable $objfile ] {
  52         untested $testname
  53         return
  54     }
  55
  56     set outfile "tmpdir/$filename"
  57     set options "-L$srcdir/$subdir"
  58     append options " " $ldflags " " [ld_simple_link_defsyms] " " $objfile
  59
  60     # SH64 targets needs an extra ld option for this test.
  61     if [istarget sh64*-*-*] {
  62         if [istarget sh64*l*-*-*] {
  63             set options "-mshlelf32 $options"
  64         } else {
  65             set options "-mshelf32 $options"
  66         }
  67     }
  68
  69     if ![ld_simple_link $linker $outfile $options] {
  70         fail $testname
  71         return
  72     }
  73     if ![ld_nm $nm "" $outfile] {
  74         unresolved $testname
  75         return
  76     }
  77     if {![info exists nm_output(used_func)] \
  78             || ![info exists nm_output(used_var)]} {
  79         send_log "used sections do not exist\n"
  80         verbose "used sections do not exist"
  81         fail $testname
  82         return
  83     }
  84     #ppc64_elf_gc_mark_hook needs to be taught how to look through
  85     #the .toc section to properly mark variable sections for gc.
  86     setup_xfail "powerpc64*-*-*"
  87     if {[info exists nm_output(unused_func)] \
  88             || [info exists nm_output(unused_var)]} {
  89         send_log "unused section still here\n"
  90         verbose "unused section still here"
  91         fail $testname
  92         return
  93     }
  94     pass $testname
  95 }
  96
  97 test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
  98 test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
  99 test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
 100 test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
 101
 102 run_dump_test "noent"
 103 run_dump_test "abi-note"
 104 run_dump_test "start"
 105
 106 if { [is_elf_format] && [check_shared_lib_support] } then {
 107     set gasopt ""
 108     if { [istarget tic6x-*] } then {
 109         set gasopt "-mpic -mpid=near"
 110     }
 111     if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o]
 112         || ![ld_simple_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then {
 113         fail libpersonality
 114     } else {
 115         run_dump_test "personality"
 116     }
 117 }
 118
 119 if { [is_remote host] || [which $CC] != 0 } {
 120     if { [istarget "*-*-linux*"]
 121          || [istarget "*-*-nacl*"]
 122          || [istarget "*-*-gnu*"] } {
 123         ld_compile "$CC -fPIC $CFLAGS $cflags" $srcdir/$subdir/pr11218-1.c tmpdir/pr11218-1.o
 124         ld_simple_link $ld tmpdir/pr11218-1.so "-shared tmpdir/pr11218-1.o"
 125         ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/pr11218-2.c tmpdir/pr11218-2.o
 126         run_dump_test "pr11218"
 127     }
 128 }
 129
 130 if { [is_remote host] || [which $CC] != 0 } {
 131         ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr13683.c tmpdir/pr13683.o
 132         run_dump_test "pr13683"
 133 }
 134
 135 if { [is_remote host] || [which $CC] != 0 } {
 136     ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr14265.c tmpdir/pr14265.o
 137     run_dump_test "pr14265"
 138 }
 139