Home | History | Annotate | Download | only in ld-checks 
      1 # Expect script for LD section checks tests
      2 #   Copyright (C) 1999-2016 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 (at) 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_simple_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_simple_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 section_check
     82