1# Copyright 2006, 2007 Free Software Foundation, Inc.
2
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.
7#
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.
12#
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/>.
15
16# Please email any bugs, comments, and/or additions to this file to:
17# bug-gdb@gnu.org
18
19# This file was written by Alexandre Oliva <aoliva@redhat.com>
20
21if $tracelevel then {
22	strace $tracelevel
23	}
24
25set prms_id 0
26set bug_id 0
27
28# are we on a target board
29if ![isnative] then {
30    return
31}
32
33if [get_compiler_info "ignored"] {
34    return -1
35}
36
37if {$gcc_compiled == 0} {
38    return -1
39}
40
41set testfile "prelink"
42
43set libsrcfile ${testfile}-lib.c
44set libfile ${objdir}/${subdir}/${testfile}.so
45if { [gdb_compile "${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
47    return -1
48}
49
50if {[catch "system \"prelink -qNR ${libfile}\""] != 0} {
51    # Maybe we don't have prelink.
52    return -1
53}
54
55set srcfile ${testfile}.c
56set binfile ${objdir}/${subdir}/${testfile}t
57if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${libfile}" "${binfile}" executable [list debug "additional_flags=-Wl,-rpath,${objdir}/${subdir}"]] != ""} {
58    return -1;
59}
60
61set found 0
62set coredir "${objdir}/${subdir}/coredir.[getpid]"
63file mkdir $coredir
64catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\""
65
66foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" {
67    if [remote_file build exists $i] {
68	remote_exec build "mv $i ${objdir}/${subdir}/prelink.core"
69	set found 1
70    }
71}
72# Check for "core.PID".
73if { $found == 0 } {
74    set names [glob -nocomplain -directory $coredir core.*]
75    if {[llength $names] == 1} {
76        set corefile [file join $coredir [lindex $names 0]]
77        remote_exec build "mv $corefile ${objdir}/${subdir}/prelink.core"
78        set found 1
79    }
80}
81
82# Try to clean up after ourselves.
83remote_file build delete [file join $coredir coremmap.data]
84remote_exec build "rmdir $coredir"
85
86if { $found == 0  } {
87    warning "can't generate a core file - prelink tests suppressed - check ulimit -c"
88    return 0
89}
90
91if {[catch "system \"prelink -uN ${libfile}\""] != 0} {
92    untested "${testfile}.so was not prelinked, maybe system libraries are not prelinked?"
93    return 0
94}
95catch "system \"prelink -qNR ${libfile}\""
96
97# Start with a fresh gdb
98
99gdb_exit
100gdb_start
101gdb_reinitialize_dir $srcdir/$subdir
102gdb_load ${binfile}
103
104set test "prelink"
105global gdb_prompt
106gdb_test_multiple "core-file $objdir/$subdir/prelink.core" "$test" {
107    -re "warning: \.dynamic section.*not at the expected address.*warning: difference.*caused by prelink, adjusting expectations.*$gdb_prompt $" {
108	pass "$test"
109    }
110}
111
112gdb_exit
113
114return 0
115
116