| # Copyright 2006, 2007, 2008 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # Please email any bugs, comments, and/or additions to this file to: |
| # bug-gdb@gnu.org |
| |
| # This file was written by Alexandre Oliva <aoliva@redhat.com> |
| |
| if $tracelevel then { |
| strace $tracelevel |
| } |
| |
| set prms_id 0 |
| set bug_id 0 |
| |
| # are we on a target board |
| if ![isnative] then { |
| return |
| } |
| |
| if [get_compiler_info "ignored"] { |
| return -1 |
| } |
| |
| if {$gcc_compiled == 0} { |
| return -1 |
| } |
| |
| set testfile "prelink" |
| |
| set libsrcfile ${testfile}-lib.c |
| set libfile ${objdir}/${subdir}/${testfile}.so |
| if { [gdb_compile "${srcdir}/${subdir}/${libsrcfile}" "${libfile}" executable [list debug "additional_flags=-fpic -shared -nodefaultlibs"]] != ""} { |
| # If creating the shared library fails, maybe we don't have the right tools |
| return -1 |
| } |
| |
| # `--no-exec-shield' is for i386 where prelink in the exec-shield mode is |
| # forced to push all the libraries tight together to fit into the first two |
| # memory areas (either the ASCII Shield area or at least below the executable). |
| # In this case its -R option cannot be applied and we falsely FAIL here as if |
| # the system is already prelinked prelink has no choice how to randomize the |
| # single new unprelinked library address without wasting the first one/two |
| # memory areas. We do not care of the efficiency of loading such resulting |
| # exec-shield unfriendly prelinked library. |
| if {[catch "system \"prelink -qNR --no-exec-shield ${libfile}\""] != 0} { |
| # Maybe we don't have prelink. |
| return -1 |
| } |
| |
| set srcfile ${testfile}.c |
| set binfile ${objdir}/${subdir}/${testfile}t |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${libfile}" "${binfile}" executable [list debug "additional_flags=-Wl,-rpath,${objdir}/${subdir}"]] != ""} { |
| return -1; |
| } |
| |
| set found 0 |
| set coredir "${objdir}/${subdir}/coredir.[getpid]" |
| file mkdir $coredir |
| catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\"" |
| |
| foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" { |
| if [remote_file build exists $i] { |
| remote_exec build "mv $i ${objdir}/${subdir}/prelink.core" |
| set found 1 |
| } |
| } |
| # Check for "core.PID". |
| if { $found == 0 } { |
| set names [glob -nocomplain -directory $coredir core.*] |
| if {[llength $names] == 1} { |
| set corefile [file join $coredir [lindex $names 0]] |
| remote_exec build "mv $corefile ${objdir}/${subdir}/prelink.core" |
| set found 1 |
| } |
| } |
| |
| # Try to clean up after ourselves. |
| remote_file build delete [file join $coredir coremmap.data] |
| remote_exec build "rmdir $coredir" |
| |
| if { $found == 0 } { |
| warning "can't generate a core file - prelink tests suppressed - check ulimit -c" |
| return 0 |
| } |
| |
| if {[catch "system \"prelink -uN ${libfile}\""] != 0} { |
| untested "${testfile}.so was not prelinked, maybe system libraries are not prelinked?" |
| return 0 |
| } |
| catch "system \"prelink -qNR --no-exec-shield ${libfile}\"" |
| |
| # Start with a fresh gdb |
| |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| set test "prelink" |
| global gdb_prompt |
| gdb_test_multiple "core-file $objdir/$subdir/prelink.core" "$test" { |
| -re "warning: \.dynamic section.*not at the expected address.*warning: difference.*caused by prelink, adjusting expectations.*$gdb_prompt $" { |
| pass "$test" |
| } |
| } |
| |
| gdb_exit |
| |
| return 0 |
| |