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# Copyright 2008, 2009, 2010 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see .

#

# Test asynchronous Machine Interface (MI) responses.

#

# Because of the way this test is written, using 'start' and not using

# mi_run_cmd, it ignores whatever target the rest of GDB testsuite is

# using, and always tries to run natively.  So, don't do anything unless

# we're actually testing native.

if { !([isnative] && [istarget *-linux*]) } then {

  return

}

# The plan is for async mode to become the default but toggle for now.

set saved_gdbflags $GDBFLAGS

set GDBFLAGS [concat $GDBFLAGS " -ex \"set target-async on\""]

load_lib mi-support.exp

gdb_exit

if [mi_gdb_start] {

    continue

}

set testfile "basics"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/mi-async

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {

     untested mi-async.exp

     return -1

}

mi_delete_breakpoints

mi_gdb_reinitialize_dir $srcdir/$subdir

mi_gdb_load ${binfile}

# mi_gdb_test cannot be used for asynchronous commands because there are

# two prompts involved and this can lead to a race condition.

proc linux_async_tests {} {

    global mi_gdb_prompt

    global hex

    set line_main_head     [gdb_get_line_number "main ("]

    set line_main_body     [expr $line_main_head + 2]

    set line_main_next     [expr $line_main_head + 3]

    mi_send_resuming_command_raw "start" "start: send"

    mi_expect_stop "breakpoint-hit" "main" "" ".*basics.c" "$line_main_body" { "" "disp=\"del\"" } "start: stop"

    mi_send_resuming_command_raw "next" "CLI next: send"

    mi_expect_stop "end-stepping-range" "main" "" ".*basics.c" "$line_main_next" "" "CLI next: stop"

    mi_gdb_test "-exec-interrupt" \

        "" \

        ""

    mi_send_resuming_command_raw "start" "restart: send"

    mi_expect_stop "breakpoint-hit" "main" "" ".*basics.c" "$line_main_body" { "" "disp=\"del\"" } "restart: stop"

}

linux_async_tests

mi_gdb_exit

set GDBFLAGS $saved_gdbflags

return 0