ld/testsuite/ld-gc/gc.exp

   1 # Expect script for ld-gc tests
   2 #   Copyright (C) 2008-2017 Free Software Foundation, Inc.
   3 #
   4 # This file is part of the GNU Binutils.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19 # MA 02110-1301, USA.
  20
  21 # These tests require --gc-sections
  22 if ![check_gc_sections_available] {
  23     return
  24 }
  25
  26 set cflags "-ffunction-sections -fdata-sections"
  27 set objfile "tmpdir/gc.o"
  28
  29 if [istarget powerpc64*-*-*] {
  30     # otherwise with -mcmodel=medium gcc we get XPASSes.
  31     set cflags "$cflags -mminimal-toc"
  32 }
  33
  34 if { [istarget m681*-*-*] || [istarget m68hc1*-*-*] } {
  35     # Otherwise tests FAIL due to _.frame
  36     set cflags "$cflags -fomit-frame-pointer -mshort"
  37 }
  38
  39 if { [is_remote host] || [which $CC] != 0 } {
  40     ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
  41 }
  42
  43 proc test_gc { testname filename linker ldflags} {
  44     global nm
  45     global srcdir
  46     global subdir
  47     global nm_output
  48     global objfile
  49
  50     if ![file readable $objfile ] {
  51         untested $testname
  52         return
  53     }
  54
  55     set outfile "tmpdir/$filename"
  56     set options "-L$srcdir/$subdir"
  57     append options " " $ldflags " " [ld_link_defsyms] " " $objfile
  58
  59     # SH64 targets needs an extra ld option for this test.
  60     if [istarget sh64*-*-*] {
  61         if [istarget sh64*l*-*-*] {
  62             set options "-mshlelf32 $options"
  63         } else {
  64             set options "-mshelf32 $options"
  65         }
  66     }
  67
  68     if ![ld_link $linker $outfile $options] {
  69         fail $testname
  70         return
  71     }
  72     if ![ld_nm $nm "" $outfile] {
  73         unresolved $testname
  74         return
  75     }
  76     if {![info exists nm_output(used_func)] \
  77             || ![info exists nm_output(used_var)]} {
  78         send_log "used sections do not exist\n"
  79         verbose "used sections do not exist"
  80         fail $testname
  81         return
  82     }
  83     #ppc64_elf_gc_mark_hook needs to be taught how to look through
  84     #the .toc section to properly mark variable sections for gc.
  85     setup_xfail "powerpc64*-*-*"
  86     if {[info exists nm_output(unused_func)] \
  87             || [info exists nm_output(unused_var)]} {
  88         send_log "unused section still here\n"
  89         verbose "unused section still here"
  90         fail $testname
  91         return
  92     }
  93     pass $testname
  94 }
  95
  96 test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
  97 test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
  98 test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
  99 test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
 100
 101 run_dump_test "noent"
 102 run_dump_test "abi-note"
 103 run_dump_test "start"
 104 run_dump_test "pr19167"
 105 if { [is_elf_format] } then {
 106     run_dump_test "all-debug-sections"
 107 }
 108
 109 if { [is_elf_format] && [check_shared_lib_support] } then {
 110     set gasopt ""
 111     if { [istarget tic6x-*] } then {
 112         set gasopt "-mpic -mpid=near"
 113     }
 114     if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o]
 115         || ![ld_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then {
 116         fail libpersonality
 117     } else {
 118         run_dump_test "personality"
 119     }
 120     run_dump_test "pr18223"
 121 }
 122
 123 if { [is_remote host] || [which $CC] != 0 } {
 124     if { [istarget "*-*-linux*"]
 125          || [istarget "*-*-nacl*"]
 126          || [istarget "*-*-gnu*"] } {
 127         ld_compile "$CC -fPIC $CFLAGS $cflags" $srcdir/$subdir/pr11218-1.c tmpdir/pr11218-1.o
 128         ld_link $ld tmpdir/pr11218-1.so "-shared tmpdir/pr11218-1.o"
 129         ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/pr11218-2.c tmpdir/pr11218-2.o
 130         run_dump_test "pr11218"
 131     }
 132 }
 133
 134 if { [is_remote host] || [which $CC] != 0 } {
 135         ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr13683.c tmpdir/pr13683.o
 136         run_dump_test "pr13683"
 137 }
 138
 139 if { [is_remote host] || [which $CC] != 0 } {
 140     ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr14265.c tmpdir/pr14265.o
 141     run_dump_test "pr14265"
 142 }
 143
 144 if { [is_remote host] || [which $CC] != 0 } {
 145     ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-1.c tmpdir/pr19161-1.o
 146     ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-2.c tmpdir/pr19161-2.o
 147     run_dump_test "pr19161"
 148 }
 149
 150 if { [is_elf_format] && [check_shared_lib_support] \
 151      && ([is_remote host] || [which $CC] != 0) } {
 152     run_cc_link_tests [list \
 153         [list \
 154             "Build libpr20306.so" \
 155             "-shared" \
 156             "-fPIC" \
 157             {pr20306.c} \
 158             {} \
 159             "libpr20306.so" \
 160         ] \
 161     ]
 162     run_dump_test "pr20306"
 163 }