1 # Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # Please email any bugs, comments, and/or additions to this file to:
19 # This file was written by Alexandre Oliva <aoliva@redhat.com>
28 # are we on a target board
33 if [get_compiler_info "ignored"] {
37 if {$gcc_compiled == 0} {
41 set testfile "prelink"
43 set libsrcfile ${testfile}-lib.c
44 set libfile ${objdir}/${subdir}/${testfile}.so
45 if { [gdb_compile "${srcdir}/${subdir}/${libsrcfile}" "${libfile}" executable [list debug "additional_flags=-fpic -shared -nodefaultlibs"]] != ""} {
46 # If creating the shared library fails, maybe we don't have the right tools
50 # `--no-exec-shield' is for i386 where prelink in the exec-shield mode is
51 # forced to push all the libraries tight together to fit into the first two
52 # memory areas (either the ASCII Shield area or at least below the executable).
53 # In this case its -R option cannot be applied and we falsely FAIL here as if
54 # the system is already prelinked prelink has no choice how to randomize the
55 # single new unprelinked library address without wasting the first one/two
56 # memory areas. We do not care of the efficiency of loading such resulting
57 # exec-shield unfriendly prelinked library.
58 if {[catch "system \"prelink -qNR --no-exec-shield ${libfile}\""] != 0} {
59 # Maybe we don't have prelink.
63 set srcfile ${testfile}.c
64 set binfile ${objdir}/${subdir}/${testfile}t
65 if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${libfile}" "${binfile}" executable [list debug "additional_flags=-Wl,-rpath,${objdir}/${subdir}"]] != ""} {
70 set coredir "${objdir}/${subdir}/coredir.[getpid]"
72 catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\""
74 foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" {
75 if [remote_file build exists $i] {
76 remote_exec build "mv $i ${objdir}/${subdir}/prelink.core"
80 # Check for "core.PID".
82 set names [glob -nocomplain -directory $coredir core.*]
83 if {[llength $names] == 1} {
84 set corefile [file join $coredir [lindex $names 0]]
85 remote_exec build "mv $corefile ${objdir}/${subdir}/prelink.core"
90 # Try to clean up after ourselves.
91 remote_file build delete [file join $coredir coremmap.data]
92 remote_exec build "rmdir $coredir"
95 warning "can't generate a core file - prelink tests suppressed - check ulimit -c"
99 if {[catch "system \"prelink -uN ${libfile}\""] != 0} {
100 untested "${testfile}.so was not prelinked, maybe system libraries are not prelinked?"
103 catch "system \"prelink -qNR --no-exec-shield ${libfile}\""
105 # Start with a fresh gdb
109 gdb_reinitialize_dir $srcdir/$subdir
114 gdb_test_multiple "core-file $objdir/$subdir/prelink.core" "$test" {
115 -re "warning: \.dynamic section.*not at the expected address.*warning: difference.*caused by prelink, adjusting expectations.*$gdb_prompt $" {