ld/testsuite/ld-checks/checks.exp

   1 # Expect script for LD section checks tests
   2 #   Copyright (C) 1999-2021 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 LDFLAGS
  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 xcoff.
  31     if { [istarget ia64-*-*] || [is_xcoff_format] } {
  32         return
  33     }
  34     set test "check sections 1"
  35
  36     set ldflags "$LDFLAGS --check-sections -e foo"
  37
  38     if { ![ld_assemble $as $srcdir/$subdir/asm.s tmpdir/asm.o]} {
  39         unresolved $test
  40         return
  41     }
  42
  43     if ![ld_link $ld tmpdir/asm.x "$ldflags tmpdir/asm.o"] {
  44         fail $test
  45     } else {
  46         pass $test
  47     }
  48
  49     set test "check sections 2"
  50
  51     # Change the linker flags so that our "buggy" linker
  52     # script is used.
  53     set ldflags "$LDFLAGS --check-sections -T $srcdir/$subdir/script -e foo"
  54
  55     # Perform the equivalent of invoking ld_link
  56     # except that we need to massage the output further.
  57
  58     set exec_output [run_host_cmd "$ld" "-o tmpdir/asm.x $ldflags tmpdir/asm.o"]
  59     set exec_output [prune_warnings $exec_output]
  60
  61     # Make sure that we got some output from the linker
  62     if [string match "" $exec_output] then {
  63         fail $test
  64     }
  65
  66     # Now remove our expected error message
  67     regsub -all ".*: section .data .* overlaps section .text .*" $exec_output "" exec_output
  68
  69     # And check to see if anything else, (unexpected) was left
  70     if [string match "" $exec_output] then {
  71         pass $test
  72     } else {
  73         verbose -log "Unexpected linker message(s): $exec_output"
  74         fail $test
  75     }
  76 }
  77
  78 proc overflow_check {} {
  79     # Test only on some 32-bit targets that are often tested
  80     if { ![istarget i?86-*-*]
  81          && ![istarget powerpc-*-*]
  82          && ![istarget arm*-*-*] } {
  83         return
  84     }
  85     if ![is_elf_format] {
  86         return
  87     }
  88
  89     run_dump_test "over"
  90     run_dump_test "over2"
  91 }
  92
  93 section_check
  94 overflow_check