106 lines
4.2 KiB
Plaintext
106 lines
4.2 KiB
Plaintext
# Copyright 2010-2018 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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# In some cases gdbserver cannot find the DT_DEBUG library list on its own and
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# it needs to fall back to GDB solib-svr4.c look up via symbols from the main
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# executable.
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# gdbserver :1234 ld-linux-x86-64.so.2 /bin/prog
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# gdb /bin/prog
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# (gdb) target remote ...
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load_lib gdbserver-support.exp
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load_lib prelink-support.exp
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if {[skip_gdbserver_tests] || [skip_shlib_tests]} {
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return
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}
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standard_testfile solib-list-main.c
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set srclibfile ${testfile}-lib.c
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set binlibfile [standard_output_file ${testfile}.so]
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if { [get_compiler_info]
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|| [gdb_compile_shlib "${srcdir}/${subdir}/${srclibfile}" "${binlibfile}" {debug}] != ""
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|| [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "shlib=${binlibfile}"] != "" } {
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untested "failed to compile"
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return -1
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}
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set interp_system [section_get ${binfile} .interp]
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verbose -log "system interpreter is: $interp_system"
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foreach nonstop { 0 1 } { with_test_prefix "non-stop $nonstop" {
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# clean_restart assumes ${objdir}/${subdir}/ which is not applicable
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# for ${interp_system}.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load_shlib ${binlibfile}
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set remote_binfile [gdb_remote_download target $binfile]
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# When testing remote, the file path we receive may be only the file name,
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# "solib-list". ld-linux doesn't seem to be able to find the file when
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# passing just the file name, it wants either the absolute path or a
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# relative path with at least one directory component. Calling readlink on
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# the target to get the full path will make it happy.
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set remote_binfile [lindex [remote_exec target "readlink -f $remote_binfile"] 1]
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# Make sure we're disconnected, in case we're testing with an
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# extended-remote board, therefore already connected.
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gdb_test "disconnect" ".*"
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gdb_test "set non-stop $nonstop"
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# It is required for the non-stop mode, GDB would try to step over
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# _dl_debug_state breakpoint will still only ld.so loaded in gdbserver.
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# But GDB having symbols from the main executable it would try to use
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# displaced-stepping buffer at unmapped that time address _start.
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gdb_test "set displaced-stepping off"
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# Unset last_loaded_file because we want GDBserver spawn
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# ${interp_system} not ${last_loaded_file}.
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global last_loaded_file
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unset -nocomplain last_loaded_file
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# Note we pass ${interp_system}, the program gdbserver spawns, as
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# argument here, instead of using gdb_load, because we don't want
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# to download the interpreter to the target (it's already there)
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# or to the test output directory.
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set res [gdbserver_spawn "${interp_system} ${remote_binfile}"]
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set gdbserver_protocol [lindex $res 0]
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set gdbserver_gdbport [lindex $res 1]
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# Load BINFILE after gdbserver_spawn (so that gdbserver executes ld.so)
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# but before "target remote" below so that qSymbol data get already
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# initialized from BINFILE (and not from ld.so first needing a change to
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# BINFILE later).
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gdb_test "file ${binfile}" {Reading symbols from .*\.\.\.done\..*} "file binfile" \
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{(Are you sure you want to change the file|Load new symbol table from ".*")\? \(y or n\) } "y"
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set test "target $gdbserver_protocol"
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gdb_test_multiple "target $gdbserver_protocol $gdbserver_gdbport" $test {
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-re "Remote debugging using .*\r\n$gdb_prompt " {
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# Do not anchor end, there may be more output in non-stop mode.
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pass $test
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}
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}
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gdb_test "continue" "Program received signal SIGUSR1, .*"
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gdb_test "sharedlibrary" ".*"
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gdb_test "p libvar" " = 23"
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}}
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