ld/testsuite/ld-checks/checks.exp

   1 # Expect script for LD section checks tests
   2 #   Copyright (C) 1999-2020 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 # Written by Nick Clifton (nickc@cygnus.com)
  22
  23 proc section_check {} {
  24     global ld_flags
  25     global as
  26     global ld
  27     global srcdir
  28     global subdir
  29
  30     # The usage of .lcomm in asm.s is incompatible with ia64 and ppc coff.
  31     if { [istarget ia64-*-*]
  32          || [istarget powerpc*-*-aix*]
  33          || [istarget powerpc-*-beos*]
  34          || [istarget rs6000-*-*] } {
  35         return
  36     }
  37     set test "check sections 1"
  38
  39     set ldflags "--check-sections -e foo"
  40
  41     if { ![ld_assemble $as $srcdir/$subdir/asm.s tmpdir/asm.o]} {
  42         unresolved $test
  43         return
  44     }
  45
  46     if ![ld_link $ld tmpdir/asm.x "$ldflags tmpdir/asm.o"] {
  47         fail $test
  48     } else {
  49         pass $test
  50     }
  51
  52     set test "check sections 2"
  53
  54     # Change the linker flags so that our "buggy" linker
  55     # script is used.
  56     set ldflags "--check-sections -T $srcdir/$subdir/script -e foo"
  57
  58     # Perform the equivalent of invoking ld_link
  59     # except that we need to massage the output further.
  60
  61     set exec_output [run_host_cmd "$ld" "-o tmpdir/asm.x $ldflags tmpdir/asm.o"]
  62     set exec_output [prune_warnings $exec_output]
  63
  64     # Make sure that we got some output from the linker
  65     if [string match "" $exec_output] then {
  66         fail $test
  67     }
  68
  69     # Now remove our expected error message
  70     regsub -all ".*: section .data .* overlaps section .text .*" $exec_output "" exec_output
  71
  72     # And check to see if anything else, (unexpected) was left
  73     if [string match "" $exec_output] then {
  74         pass $test
  75     } else {
  76         verbose -log "Unexpected linker message(s): $exec_output"
  77         fail $test
  78     }
  79 }
  80
  81 proc overflow_check {} {
  82     # Test only on some 32-bit targets that are often tested
  83     if { ![istarget i?86-*-*]
  84          && ![istarget powerpc-*-*]
  85          && ![istarget arm*-*-*] } {
  86         return
  87     }
  88     if ![is_elf_format] {
  89         return
  90     }
  91
  92     run_dump_test "over"
  93     run_dump_test "over2"
  94 }
  95
  96 section_check
  97 overflow_check