03f2bd5942
* NEWS: Document the new gdbserver --once option.
gdb/doc/
* gdb.texinfo (Starting and Stopping Trace Experiments): New anchor
for disconnected tracing.
(Multi-Process Mode for @code{gdbserver}): Mention --multi and
extended-remote relationship. Mention --once.
(TCP port allocation lifecycle of @code{gdbserver}): New.
gdb/gdbserver/
* remote-utils.c (handle_accept_event): Close LISTEN_DESC only if
RUN_ONCE. Comment for the LISTEN_DESC delete_file_handler call.
(remote_prepare): New function with most of the TCP code from ...
(remote_open): ... here. Detect PORT here unconditionally. Move also
setting transport_is_reliable.
* server.c (run_once): New variable.
(gdbserver_usage): Document it.
(main): Set run_once for `--once'. Call remote_prepare. Exit after
the first run if RUN_ONCE.
* server.h (run_once, remote_prepare): New declarations.
gdb/testsuite/
* gdb.base/solib-disc.exp: Set gdbserver_reconnect_p.
* lib/gdb.exp (gdb_init): Clear gdbserver_reconnect_p.
* lib/gdbserver-support.exp (gdbserver_start): Add `--once' if
!gdbserver_reconnect_p..
(gdbserver_reconnect): Call error if !gdbserver_reconnect_p..
106 lines
2.9 KiB
Text
106 lines
2.9 KiB
Text
# Copyright 2007, 2008, 2009, 2010, 2011 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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# Test connecting and disconnecting at shared library events.
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if {[skip_shlib_tests]} {
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return 0
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}
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set gdbserver_reconnect_p 1
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if { [info proc gdb_reconnect] == "" } {
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return 0
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}
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set testfile solib-disc
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set libfile so-disc-shr
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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set libsrc "${srcdir}/${subdir}/${libfile}.c"
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set libname "${libfile}.so"
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set libobj "${objdir}/${subdir}/${libname}"
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set execsrc "${srcdir}/${subdir}/${srcfile}"
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set lib_dlopen [shlib_target_file ${libname}]
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set lib_syms [shlib_symbol_file ${libname}]
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remote_exec build "rm -f ${binfile}"
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if [get_compiler_info ${binfile}] {
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return -1
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}
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set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME\=\"${lib_dlopen}\"]
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if { [gdb_compile_shlib $libsrc $libobj {debug}] != ""
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|| [gdb_compile $execsrc ${binfile} executable $exec_opts] != "" } {
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return -1
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}
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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 ${binfile}
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gdb_load_shlibs $libobj
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if ![runto_main] then {
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fail "Can't run to main"
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return 0
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}
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gdb_test_no_output "set stop-on-solib-events 1"
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gdb_test "continue" "Stopped due to shared library event" "continue to load"
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set msg "save \$pc after load"
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set saved_pc ""
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gdb_test_multiple "print/x \$pc" $msg {
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-re "\\\$$decimal = (\[^\r\n\]*)\r\n$gdb_prompt $" {
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set saved_pc $expect_out(1,string)
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pass $msg
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}
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}
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gdb_test "disconnect" "Ending remote debugging\\." "disconnect after load"
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if { [gdb_reconnect] == 0 } {
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pass "reconnect after load"
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} else {
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fail "reconnect after load"
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return 0
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}
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gdb_test "print/x \$pc" "\\\$$decimal = $saved_pc" "check \$pc after load"
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gdb_test "continue" "Stopped due to shared library event" "continue to unload"
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set msg "save \$pc after unload"
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set saved_pc ""
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gdb_test_multiple "print/x \$pc" $msg {
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-re "\\\$$decimal = (\[^\r\n\]*)\r\n$gdb_prompt $" {
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set saved_pc $expect_out(1,string)
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pass $msg
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}
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}
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gdb_test "disconnect" "Ending remote debugging\\." "disconnect after unload"
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if { [gdb_reconnect] == 0 } {
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pass "reconnect after unload"
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} else {
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fail "reconnect after unload"
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return 0
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}
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gdb_test "print/x \$pc" "\\\$$decimal = $saved_pc" "check \$pc after unload"
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