117 lines
3.4 KiB
Plaintext
117 lines
3.4 KiB
Plaintext
# Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@gnu.org
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# This file was written by Alexandre Oliva <aoliva@redhat.com>
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if $tracelevel then {
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strace $tracelevel
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}
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if { ![isnative] || [is_remote host] || [skip_shlib_tests]} {
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return
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}
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if [get_compiler_info "ignored"] {
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return -1
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}
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if {$gcc_compiled == 0} {
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return -1
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}
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load_lib prelink-support.exp
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set testfile "prelink"
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set libsrcfile ${testfile}-lib.c
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set libfile ${objdir}/${subdir}/${testfile}.so
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# Use -soname so that the new library gets copied by build_executable_own_libs.
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if { [gdb_compile_shlib "${srcdir}/${subdir}/${libsrcfile}" "${libfile}" [list debug "additional_flags=-Wl,-soname,[file tail ${libfile}]"]] != ""} {
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# If creating the shared library fails, maybe we don't have the right tools
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return -1
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}
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set srcfile ${testfile}.c
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set executable ${testfile}t
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set binfile ${objdir}/${subdir}/${executable}
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set prelink_args [build_executable_own_libs ${testfile}.exp $executable $srcfile [list debug "additional_flags=-Wl,${libfile},-rpath,[file dirname ${libfile}]"]]
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if {$prelink_args == ""} {
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return -1
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}
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set test "split debug of executable"
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if [gdb_gnu_strip_debug $binfile] {
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fail $test
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} else {
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pass $test
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}
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if ![prelink_yes $prelink_args] {
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# Maybe we don't have prelink.
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return -1
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}
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set found 0
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set coredir "${objdir}/${subdir}/coredir.[getpid]"
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file mkdir $coredir
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catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\""
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foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" {
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if [remote_file build exists $i] {
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remote_exec build "mv $i ${objdir}/${subdir}/prelink.core"
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set found 1
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}
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}
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# Check for "core.PID".
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if { $found == 0 } {
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set names [glob -nocomplain -directory $coredir core.*]
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if {[llength $names] == 1} {
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set corefile [file join $coredir [lindex $names 0]]
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remote_exec build "mv $corefile ${objdir}/${subdir}/prelink.core"
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set found 1
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}
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}
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# Try to clean up after ourselves.
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remote_file build delete [file join $coredir coremmap.data]
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remote_exec build "rmdir $coredir"
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if { $found == 0 } {
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warning "can't generate a core file - prelink tests suppressed - check ulimit -c"
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return 0
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}
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# Relink $libfile to a different address.
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if ![prelink_yes $prelink_args] {
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return -1
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}
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# Start with a fresh gdb
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clean_restart $executable
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# Print the "adjusting expectations" message.
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gdb_test_no_output "set verbose on"
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gdb_test "core-file $objdir/$subdir/prelink.core" "Using PIC \\(Position Independent Code\\) prelink displacement 0x\[^0\]\[0-9a-f\]* for \[^\r\n\]*[file tail ${libfile}].*" "seen displacement message"
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gdb_test "p &bssvar == bssvarp" " = 1" ".dynbss vs. .bss address shift"
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