128 lines
5.1 KiB
Text
128 lines
5.1 KiB
Text
# Copyright 2009-2016 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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#
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# Contributed by Jan Kratochvil <jan.kratochvil@redhat.com>.
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# Test GDB can cope with two libraries loaded with overlapping VMA ranges.
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# Prelink libraries first so they can be loaded and their native address.
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# In such case `struct linkmap'.l_addr will be zero. Provide different
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# unprelinked library files on the disk which have zero-based VMAs. These
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# different files should have their .dynamic section at a different offset in
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# page size so that we get for
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# warning: .dynamic section for "..." is not at the expected address
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# the reason
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# (wrong library or version mismatch?)
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# and not:
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# difference appears to be caused by prelink, adjusting expectations
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# In such case both disk libraries will be loaded at VMAs starting at zero.
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if [skip_shlib_tests] {
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return 0
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}
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if {![can_spawn_for_attach]} {
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return 0
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}
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if [get_compiler_info] {
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return -1
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}
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# Library file.
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set libname "solib-overlap-lib"
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set srcfile_lib ${srcdir}/${subdir}/${libname}.c
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# Binary file.
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set testfile "solib-overlap-main"
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set srcfile ${srcdir}/${subdir}/${testfile}.c
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# Base addresses for `prelink -r' which should be compatible with both -m32 and
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# -m64 targets. If it clashes with system prelinked libraries it would give
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# false PASS.
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# Prelink first lib1 at 0x40000000 and lib2 at 0x41000000.
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# During second pass try lib1 at 0x50000000 and lib2 at 0x51000000.
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foreach prelink_lib1 {0x40000000 0x50000000} { with_test_prefix "$prelink_lib1" {
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set prelink_lib2 [format "0x%x" [expr $prelink_lib1 + 0x01000000]]
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# Library file.
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set binfile_lib1 [standard_output_file ${libname}1-${prelink_lib1}.so]
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set binfile_lib1_test_msg OBJDIR/${subdir}/${libname}1-${prelink_lib1}.so
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set binfile_lib2 [standard_output_file ${libname}2-${prelink_lib1}.so]
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set binfile_lib2_test_msg OBJDIR/${subdir}/${libname}2-${prelink_lib1}.so
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set lib_flags {debug}
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# Binary file.
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set binfile_base ${testfile}-${prelink_lib1}
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set binfile [standard_output_file ${binfile_base}]
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set binfile_test_msg OBJDIR/${subdir}/${binfile_base}
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set bin_flags [list debug shlib=${binfile_lib1} shlib=${binfile_lib2}]
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set escapedbinfile [string_to_regexp ${binfile}]
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if { [gdb_compile_shlib ${srcfile_lib} ${binfile_lib1} $lib_flags] != ""
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|| [gdb_compile_shlib ${srcfile_lib} ${binfile_lib2} $lib_flags] != ""
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|| [gdb_compile ${srcfile} ${binfile} executable $bin_flags] != "" } {
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untested "Could not compile ${binfile_lib1_test_msg}, ${binfile_lib2_test_msg} or ${binfile_test_msg}."
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return -1
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}
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if {[catch "system \"prelink -N -r ${prelink_lib1} ${binfile_lib1}\""] != 0
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|| [catch "system \"prelink -N -r ${prelink_lib2} ${binfile_lib2}\""] != 0} {
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# Maybe we don't have prelink.
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untested "Could not prelink ${binfile_lib1_test_msg} or ${binfile_lib2_test_msg}."
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return -1
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}
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set test_spawn_id [spawn_wait_for_attach $binfile]
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set testpid [spawn_id_get_pid $test_spawn_id]
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remote_exec build "mv -f ${binfile_lib1} ${binfile_lib1}-running"
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remote_exec build "mv -f ${binfile_lib2} ${binfile_lib2}-running"
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# Provide another exported function name to cause different sizes of sections.
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lappend lib_flags additional_flags=-DSYMB
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if { [gdb_compile_shlib ${srcfile_lib} ${binfile_lib1} $lib_flags] != ""
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|| [gdb_compile_shlib ${srcfile_lib} ${binfile_lib2} $lib_flags] != ""} {
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untested "Could not recompile ${binfile_lib1_test_msg} or ${binfile_lib2_test_msg}."
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kill_wait_spawned_process $test_spawn_id
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return -1
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}
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clean_restart ${binfile_base}
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# This testcase currently does not support remote targets.
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# gdb_load_shlibs ${binfile_lib1} ${binfile_lib2}
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# Here we should get:
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# warning: .dynamic section for ".../solib-overlap-lib1.so" is not at the expected address (wrong library or version mismatch?)
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# warning: .dynamic section for ".../solib-overlap-lib2.so" is not at the expected address (wrong library or version mismatch?)
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set test attach
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gdb_test_multiple "attach $testpid" $test {
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-re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
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pass $test
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}
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-re "Attaching to program.*`?$escapedbinfile\.exe'?, process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" {
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# Response expected on Cygwin
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pass $test
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}
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}
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# Detach the process.
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gdb_test "detach" "Detaching from program: .*$escapedbinfile, process $testpid"
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# Wait a bit for gdb to finish detaching
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sleep 5
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kill_wait_spawned_process $test_spawn_id
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}}
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