[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.gdb / selftest.exp

# Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000, 2002, 2003, 2004,
# 2005, 2006, 2007, 2008 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 <http://www.gnu.org/licenses/>.

# This file was written by Rob Savoye. (rob@cygnus.com)

if $tracelevel then {
    strace $tracelevel
}

set prms_id 0
set bug_id 0

# are we on a target board
if { [is_remote target] || ![isnative] } then {
    return
}

# Not all of the lines of code near the start of main are executed for
# every machine.  Also, optimization may reorder some of the lines.
# So all we do is try to step or next over everything until we get
# to a line that we know is always executed.

proc do_steps_and_nexts {} {
    global gdb_prompt
    global srcdir
 
    gdb_reinitialize_dir $srcdir/..

    set unlikely_line 0
    for {set count 0} {$count < 32} {incr count} {
	send_gdb "list\n"
	# NOTE: carlton/2002-12-11: The "initial brace" and
	# "current_directory initialization" possibilities happen to
	# me with GCC 3.1 on i686-pc-linux-gnu when I compile with
	# optimization.
	gdb_expect {
	    -re ".*context = data.*$gdb_prompt $" {
		set description "step over context initialization"
		set command "step"
	    }
	    -re ".*argc = context->argc.*$gdb_prompt $" {
		set description "step over argc initialization"
		set command "step"
	    }
	    -re ".*argv = context->argv.*$gdb_prompt $" {
		set description "step over argv initialization"
		set command "step"
	    }
	    -re ".*quiet = 0.*$gdb_prompt $" {
		set description "step over quiet initialization"
		set command "step"
	    }
	    -re ".*batch = 0.*$gdb_prompt $" {
		set description "step over batch initialization"
		set command "step"
	    }
	    -re ".*symarg = NULL.*$gdb_prompt $" {
		set description "step over symarg initialization"
		set command "step"
	    }
	    -re ".*execarg = NULL.*$gdb_prompt $" {
		set description "step over execarg initialization"
		set command "step"
	    }
	    -re ".*pidarg = NULL.*$gdb_prompt $" {
		set description "step over pidarg initialization"
		set command "step"
	    }
	    -re ".*corearg = NULL.*$gdb_prompt $" {
		set description "step over corearg initialization"
		set command "step"
	    }
	    -re ".*pid_or_core_arg = NULL.*$gdb_prompt $" {
		set description "step over pid_or_core_arg initialization"
		set command "step"
	    }
	    -re ".*cdarg = NULL.*$gdb_prompt $" {
		set description "step over cdarg initialization"
		set command "step"
	    }
	    -re ".*ttyarg = NULL.*$gdb_prompt $" {
		set description "step over ttyarg initialization"
		set command "step"
	    }
	    -re ".*time_at_startup = get_run_time.*$gdb_prompt $" {
		set description "next over get_run_time and everything it calls"
		set command "next"
	    }
	    -re ".*START_PROGRESS.*$gdb_prompt $" {
		# Note: ezannoni/2004/02/17: This check should be
		# removed, since as of today that source line is not
		# in gdb anymore.
		set description "next over START_PROGRESS and everything it calls"
		set command "next"
	    }
	    -re ".*mac_init.*$gdb_prompt $" {
		set description "next over mac_init and everything it calls"
		set command "next"
	    }
	    -re ".*init_malloc.*$gdb_prompt $" {
		# gdb 6.2.X is the last gdb which called init_malloc
		set description "next over init_malloc and everything it calls"
		set command "next"
	    }
	    -re ".*lim_at_start.*$gdb_prompt $" {
		set description "next over lim_at_start initialization"
		set command "next"
	    }
	    -re ".*count . 0x3.*$gdb_prompt $" {
		set description "next over conditional stack alignment code 1"
		set command "next"
	    }
	    -re ".*if .i != 0.*$gdb_prompt $" {
		set description "next over conditional stack alignment code 2"
		set command "next"
	    }
	    -re ".*alloca .i - 4.*$gdb_prompt $" {
		set description "next over conditional stack alignment alloca"
		set command "next"
	    }
	    -re ".*cmdsize = 1.*$gdb_prompt $" {
		set description "step over cmdsize initialization"
		set command "next"
	    }
	    -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
		set description "next over cmdarg initialization via xmalloc"
		set command "next"
	    }
	    -re ".*ncmd = 0.*$gdb_prompt $" {
		set description "next over ncmd initialization"
		set command "next"
	    }
	    -re ".*dirsize = 1.*$gdb_prompt $" {
		set description "next over dirsize initialization"
		set command "next"
	    }
	    -re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
		return
	    }
	    -re ".*setlocale .LC_MESSAGES,.*$gdb_prompt $" {
		set description "next over setlocale LC_MESSAGES"
		set command "next"
	    }
	    -re ".*setlocale .LC_CTYPE,.*$gdb_prompt $" {
		set description "next over setlocale LC_CTYPE"
		set command "next"
	    }
	    -re ".*bindtextdomain .PACKAGE, LOCALEDIR.;.*$gdb_prompt $" {
		set description "next over bindtextdomain"
		set command "next"
	    }
	    -re ".*textdomain .PACKAGE.;.*$gdb_prompt $" {
		set description "next over textdomain PACKAGE"
		set command "next"
	    }
	    -re "\[0-9\]+\[\t \]+\{\r\n$gdb_prompt $" {
		set description "step over initial brace"
		set command "step"
	    }
	    -re ".*current_directory = gdb_dirbuf.*$gdb_prompt $" {
		set description "step over current_directory initialization"
		set command "step"
	    }
	    -re ".*gdb_sysroot = .*$gdb_prompt $" {
		# NOTE: carlton/2003-01-15: More optimization reordering,
		# observed on GCC 3.1.
		set description "step over gdb_sysroot initialization"
		set command "step"
	    }
	    -re ".*ndir = 0.*$gdb_prompt $" {
		set description "step over ndir initialization"
		set command "step"
	    }
	    -re ".*instream = stdin.*$gdb_prompt $" {
		set description "step over instream initialization"
		set command "step"
	    }
	    -re ".*getcwd .gdb_dirbuf, sizeof .gdb_dirbuf..;.*$gdb_prompt $" {
		set description "next over getcwd"
		set command "next"
	    }
	    -re ".*quit_flag = 0.*$gdb_prompt $" {
		set description "step over quit_flag initialization"
		set command "step"
	    }
	    -re ".*gdb_stdout = stdio_fileopen .stdout.;.*$gdb_prompt $" {
		set description "step over gdb_stdout initialization"
		set command "step"
	    }
	    -re ".*gdb_stderr = stdio_fileopen .stderr.;.*$gdb_prompt $" {
		set description "step over gdb_stderr initialization"
		set command "step"
	    }
	    -re ".*main.c.*No such file or directory.*$gdb_prompt $" {
		setup_xfail "rs6000-*-aix3*"
		fail "must be able to list source lines"
		return
	    }
	    -re ".*interpreter_p = xstrdup.*$gdb_prompt $" {
		if { $unlikely_line == 0 } {
		    # This is a GCC optimization bug; a constant has been
		    # associated with the wrong line number.
		    setup_xfail "*-*-*" gcc/26475
		    fail "$description (unlikely line from gcc)"
		    set unlikely_line 1
		}
		set description "next over xstrdup"
		set command "next"
	    }
	    -re ".*$gdb_prompt $" {
		fail "unknown source line after $description"
		return
	    }
	    default {
		fail "unknown source line near main"
		return
	    }
	}
	send_gdb "$command\n"
	gdb_expect {
	    -re ".*No such file or directory.\r\n$gdb_prompt $" {
		fail "$description (no source available)"
	    }
	    -re ".*A file or directory .* does not exist..\r\n$gdb_prompt $" {
		fail "$description (no source available)"
	    }
	    -re ".*$gdb_prompt $" {
		pass "$description"
	    }
	    timeout {
		fail "$description (timeout)"
	    }
	}
    }
}

proc test_with_self { executable } {
    global gdb_prompt
    global tool
    global det_file
    global decimal
    global timeout

    # load yourself into the debugger
    # This can take a relatively long time, particularly for testing where
    # the executable is being accessed over a network, or where gdb does not
    # support partial symbols for a particular target and has to load the
    # entire symbol table.  Set the timeout to 10 minutes, which should be
    # adequate for most environments (it *has* timed out with 5 min on a
    # SPARCstation SLC under moderate load, so this isn't unreasonable).
    # After gdb is started, set the timeout to 30 seconds for the duration
    # of this test, and then back to the original value.

    set oldtimeout $timeout
    set timeout 600
    verbose "Timeout is now $timeout seconds" 2

    global gdb_file_cmd_debug_info
    set gdb_file_cmd_debug_info "unset"

    set result [gdb_load $executable]
    set timeout $oldtimeout
    verbose "Timeout is now $timeout seconds" 2

    if { $result != 0 } then {
	return -1
    }

    if { $gdb_file_cmd_debug_info != "debug" } then {
	untested "No debug information, skipping testcase."
	return -1
    }

    # disassemble yourself
    gdb_test "x/10i main" \
	    "x/10i.*main.*main.$decimal.*main.$decimal.*" \
	    "Disassemble main"

    # Set a breakpoint at main
    gdb_test "break captured_main" \
	    "Breakpoint.*at.* file.*, line.*" \
	    "breakpoint in captured_main"

    # We'll need this when we send a ^C to GDB.  Need to do it before we
    # run the program and gdb starts saving and restoring tty states.
    # On Ultrix, we don't need it and it is really slow (because shell_escape
    # doesn't use vfork).
    if ![istarget "*-*-ultrix*"] then {
	gdb_test "shell stty intr '^C'" "" \
	    "set interrupt character in test_with_self"
    }

    # FIXME: If we put this after the run to main, the first list
    # command doesn't print the same line as the current line where
    # gdb is stopped.
    gdb_test "set listsize 1" "" "set listsize to 1"

    # run yourself
    # It may take a very long time for the inferior gdb to start (lynx),
    # so we bump it back up for the duration of this command.
    set timeout 600

    set description "run until breakpoint at captured_main"
    send_gdb "run -nw\n"
    gdb_expect {
	-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
	    pass "$description"
	}
	-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
	    xfail "$description (line numbers scrambled?)"
	}
	-re "vfork: No more processes.*$gdb_prompt $" {
	    fail "$description (out of virtual memory)"
	    set timeout $oldtimeout
	    verbose "Timeout is now $timeout seconds" 2
	    return -1
	}
	-re ".*$gdb_prompt $" {
	    fail "$description"
	    set timeout $oldtimeout
	    verbose "Timeout is now $timeout seconds" 2
	    return -1
	}
	timeout {
	    fail "$description (timeout)"
	}
    }

    set timeout $oldtimeout
    verbose "Timeout is now $timeout seconds" 2

    # do we have a version number ?
    send_gdb "print version\n"
    gdb_expect {
	-re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
	    pass "printed version as string"
	}
	-re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$gdb_prompt $" {
	    pass "printed version as pointer"
	}
	-re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$gdb_prompt $" {
	    pass "printed version with cast"
	}
	-re ".*$gdb_prompt $"	{ fail "printed version" }
	timeout		{ fail "(timeout) printed version" }
    }

    do_steps_and_nexts

    gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"

    # do_steps_and_nexts left us ready to execute an xmalloc call,
    # so give that a try.
    # If we don't actually enter the xmalloc call when we give a
    # step command that seems like a genuine bug.  It seems to happen
    # on most RISC processors.
    # NOTE drow/2003-06-22: However, if we step back to the preceding two
    # lines, just keep stepping until we enter.
    set stepped_back 0
    setup_xfail "alpha-*-*" "mips-*-*"
    set description "step into xmalloc call"
    send_gdb "step\n"
    gdb_expect {
	-re "ncmd = 0;.*$gdb_prompt $" {
	    set stepped_back 1
	    send_gdb "step\n"
	    exp_continue
	}
        -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
	    set stepped_back 1
	    send_gdb "step\n"
	    exp_continue
        }
	-re "dirsize = 1;.*$gdb_prompt $" {
	    set stepped_back 1
	    send_gdb "step\n"
	    exp_continue
	}
	-re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
	    if { $stepped_back == 1 } {
		send_gdb "step\n"
		exp_continue
	    } else {
		fail "$description"
	    }
	}
	-re "xmalloc.*size=.*at.*utils.c.*$gdb_prompt $" {
	    pass "$description"
	}
	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	    pass "$description (no source available)"
	}
	-re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
	    pass "$description (no source available)"
	}
	-re ".*$gdb_prompt $" {
	    fail "$description"
	}
	timeout {
	    fail "$description (timeout)"
	}
    }

    # start the "xgdb" process
    send_gdb "continue\n"
    gdb_expect {
	-re "GNU gdb \[0-9\.\]*.*
Copyright \\(C\\) \[0-9\]* Free Software Foundation, Inc.*
License GPLv3\\+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.*
This is free software: you are free to change and redistribute it.*
There is NO WARRANTY, to the extent permitted by law.  Type \"show copying\".*
and \"show warranty\" for details.*
This GDB was configured as .*$gdb_prompt $"\
	    { pass "xgdb is at prompt" }
	-re "GNU gdb \[0-9\.\]*.*
Copyright \\(C\\) \[0-9\]* Free Software Foundation, Inc.*
GDB is free software, covered by the GNU General Public License, and you are.*
welcome to change it and/or distribute copies of it under certain conditions.*
Type \"show copying\" to see the conditions.*
There is absolutely no warranty for GDB.  Type \"show warranty\" for details.*
This GDB was configured as .*$gdb_prompt $"\
	    { pass "xgdb is at prompt (obsolescent gdb 2)" }
	-re "GDB is free software and you are welcome to distribute copies of it.*
 under certain conditions; type \"show copying\" to see the conditions..*
There is absolutely no warranty for GDB; type \"show warranty\" for details..*
GDB.*Copyright \[0-9\]+ Free Software Foundation, Inc..*$gdb_prompt $"\
	    { pass "xgdb is at prompt (obsolescent gdb 1)" }
	-re ".*$gdb_prompt $"       { fail "xgdb is at prompt" }
	timeout	            { fail "(timeout) xgdb is at prompt" }
    }
    
    # set xgdb prompt so we can tell which is which
    send_gdb "set prompt (xgdb) \n"
    gdb_expect {
	-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $"	{ pass "Set xgdb prompt" }
	-re ".*$gdb_prompt $"		{ fail "Set xgdb prompt" }
	default				{ fail "(timeout) Set xgdb prompt" }
    }
    
    # kill the xgdb process
    set description "send ^C to child process"
    send_gdb "\003"
    gdb_expect {
	-re "Program received signal SIGINT.*$gdb_prompt $" {
	    pass "$description"
	}
	-re ".*$gdb_prompt $" {
	    fail "$description"
	}
	timeout {
	    fail "$description (timeout)"
	}
    }
    
    set description "send SIGINT signal to child process"
    send_gdb "signal SIGINT\n"
    gdb_expect {
	-re "Continuing with signal SIGINT.*$gdb_prompt $" {
	    pass "$description"
	}
	-re ".*$gdb_prompt $" {
	    fail "$description"
	}
	timeout {
	    fail "$description (timeout)"
	}
    }
    
    # get a stack trace
    #
    # This fails on some linux systems for unknown reasons.  On the
    # systems where it fails, sometimes it works fine when run manually.
    # The testsuite failures may not be limited to just aout systems.
    setup_xfail "i*86-pc-linuxaout-gnu"
    set description "backtrace through signal handler"
    send_gdb "backtrace\n"
    gdb_expect {
	-re "#0.*(read|poll).*in main \\(.*\\) at .*gdb\\.c.*$gdb_prompt $" {
	    pass "$description"
	}
	-re ".*$gdb_prompt $" {
	    # On the alpha, we hit the infamous problem about gdb
	    # being unable to get the frame pointer (mentioned in
	    # gdb/README).  As it is intermittent, there is no way to
	    # XFAIL it which will give us an XPASS if the problem goes
	    # away.
	    setup_xfail "alpha*-*-osf*"
	    fail "$description"
	}
	timeout {
	    fail "$description (timeout)"
	}
    }


    # Set the timeout back to the value it had when we were called.
    set timeout $oldtimeout
    verbose "Timeout is now $timeout seconds" 2

    # Restart gdb in case next test expects it to be started already.
    return 0
}

# Find a pathname to a file that we would execute if the shell was asked
# to run $arg using the current PATH.

proc find_gdb { arg } {

    # If the arg directly specifies an existing executable file, then
    # simply use it.

    if [file executable $arg] then {
	return $arg
    }

    set result [which $arg]
    if [string match "/" [ string range $result 0 0 ]] then {
	return $result
    }

    # If everything fails, just return the unqualified pathname as default
    # and hope for best.

    return $arg
}

# Run the test with self.
# Copy the file executable file in case this OS doesn't like to edit its own
# text space.

set GDB_FULLPATH [find_gdb $GDB]

# Remove any old copy lying around.
remote_file host delete x$tool

gdb_start
set file [remote_download host $GDB_FULLPATH x$tool]
set result [test_with_self $file];
gdb_exit;
catch "remote_file host delete $file";

if {$result <0} then {
    warning "Couldn't test self"
    return -1
}
Commit	Line	Data
6aba47ca	1	# Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000, 2002, 2003, 2004,
9b254dd1	2	# 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
adf40b2e JM	3
	4	# This program is free software; you can redistribute it and/or modify
	5	# it under the terms of the GNU General Public License as published by
e22f8b7c	6	# the Free Software Foundation; either version 3 of the License, or
adf40b2e	7	# (at your option) any later version.
e22f8b7c	8	#
adf40b2e JM	9	# This program is distributed in the hope that it will be useful,
	10	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	# GNU General Public License for more details.
e22f8b7c	13	#
adf40b2e	14	# You should have received a copy of the GNU General Public License
e22f8b7c	15	# along with this program. If not, see <http://www.gnu.org/licenses/>.
adf40b2e	16
adf40b2e JM	17	# This file was written by Rob Savoye. (rob@cygnus.com)
	18
	19	if $tracelevel then {
	20	strace $tracelevel
	21	}
	22
	23	set prms_id 0
	24	set bug_id 0
	25
	26	# are we on a target board
c1d88655	27	if { [is_remote target] \|\| ![isnative] } then {
adf40b2e JM	28	return
	29	}
	30
adf40b2e JM	31	# Not all of the lines of code near the start of main are executed for
	32	# every machine. Also, optimization may reorder some of the lines.
	33	# So all we do is try to step or next over everything until we get
	34	# to a line that we know is always executed.
	35
	36	proc do_steps_and_nexts {} {
	37	global gdb_prompt
	38	global srcdir
	39
	40	gdb_reinitialize_dir $srcdir/..
	41
2fa63963	42	set unlikely_line 0
48fe539f	43	for {set count 0} {$count < 32} {incr count} {
adf40b2e	44	send_gdb "list\n"
ee73db83 DC	45	# NOTE: carlton/2002-12-11: The "initial brace" and
	46	# "current_directory initialization" possibilities happen to
	47	# me with GCC 3.1 on i686-pc-linux-gnu when I compile with
	48	# optimization.
adf40b2e	49	gdb_expect {
0d06e24b JM	50	-re ".context = data.$gdb_prompt $" {
	51	set description "step over context initialization"
	52	set command "step"
	53	}
	54	-re ".argc = context->argc.$gdb_prompt $" {
	55	set description "step over argc initialization"
	56	set command "step"
	57	}
	58	-re ".argv = context->argv.$gdb_prompt $" {
	59	set description "step over argv initialization"
	60	set command "step"
	61	}
	62	-re ".quiet = 0.$gdb_prompt $" {
	63	set description "step over quiet initialization"
	64	set command "step"
	65	}
	66	-re ".batch = 0.$gdb_prompt $" {
	67	set description "step over batch initialization"
	68	set command "step"
	69	}
adf40b2e JM	70	-re ".symarg = NULL.$gdb_prompt $" {
	71	set description "step over symarg initialization"
	72	set command "step"
	73	}
	74	-re ".execarg = NULL.$gdb_prompt $" {
	75	set description "step over execarg initialization"
	76	set command "step"
	77	}
5def8285 MK	78	-re ".pidarg = NULL.$gdb_prompt $" {
	79	set description "step over pidarg initialization"
	80	set command "step"
	81	}
adf40b2e JM	82	-re ".corearg = NULL.$gdb_prompt $" {
	83	set description "step over corearg initialization"
	84	set command "step"
	85	}
5def8285 MK	86	-re ".pid_or_core_arg = NULL.$gdb_prompt $" {
	87	set description "step over pid_or_core_arg initialization"
	88	set command "step"
	89	}
adf40b2e JM	90	-re ".cdarg = NULL.$gdb_prompt $" {
	91	set description "step over cdarg initialization"
	92	set command "step"
	93	}
	94	-re ".ttyarg = NULL.$gdb_prompt $" {
	95	set description "step over ttyarg initialization"
	96	set command "step"
	97	}
adf40b2e JM	98	-re ".time_at_startup = get_run_time.$gdb_prompt $" {
	99	set description "next over get_run_time and everything it calls"
	100	set command "next"
	101	}
	102	-re ".START_PROGRESS.$gdb_prompt $" {
9d62932d EZ	103	# Note: ezannoni/2004/02/17: This check should be
	104	# removed, since as of today that source line is not
	105	# in gdb anymore.
adf40b2e JM	106	set description "next over START_PROGRESS and everything it calls"
	107	set command "next"
	108	}
	109	-re ".mac_init.$gdb_prompt $" {
	110	set description "next over mac_init and everything it calls"
	111	set command "next"
	112	}
c3297504 MC	113	-re ".init_malloc.$gdb_prompt $" {
	114	# gdb 6.2.X is the last gdb which called init_malloc
	115	set description "next over init_malloc and everything it calls"
	116	set command "next"
	117	}
6dd77b81 RH	118	-re ".lim_at_start.$gdb_prompt $" {
	119	set description "next over lim_at_start initialization"
	120	set command "next"
	121	}
adf40b2e JM	122	-re ".count . 0x3.$gdb_prompt $" {
	123	set description "next over conditional stack alignment code 1"
	124	set command "next"
	125	}
	126	-re ".if .i != 0.$gdb_prompt $" {
	127	set description "next over conditional stack alignment code 2"
	128	set command "next"
	129	}
	130	-re ".alloca .i - 4.$gdb_prompt $" {
	131	set description "next over conditional stack alignment alloca"
	132	set command "next"
	133	}
adf40b2e JM	134	-re ".cmdsize = 1.$gdb_prompt $" {
	135	set description "step over cmdsize initialization"
	136	set command "next"
	137	}
	138	-re ".cmdarg = . xmalloc.*$gdb_prompt $" {
	139	set description "next over cmdarg initialization via xmalloc"
	140	set command "next"
	141	}
	142	-re ".ncmd = 0.$gdb_prompt $" {
	143	set description "next over ncmd initialization"
	144	set command "next"
	145	}
	146	-re ".dirsize = 1.$gdb_prompt $" {
	147	set description "next over dirsize initialization"
	148	set command "next"
	149	}
	150	-re ".dirarg = . xmalloc.*$gdb_prompt $" {
	151	return
	152	}
8cf8c2b8 AC	153	-re ".setlocale .LC_MESSAGES,.$gdb_prompt $" {
	154	set description "next over setlocale LC_MESSAGES"
	155	set command "next"
	156	}
	157	-re ".setlocale .LC_CTYPE,.$gdb_prompt $" {
	158	set description "next over setlocale LC_CTYPE"
	159	set command "next"
	160	}
	161	-re ".bindtextdomain .PACKAGE, LOCALEDIR.;.$gdb_prompt $" {
	162	set description "next over bindtextdomain"
	163	set command "next"
	164	}
	165	-re ".textdomain .PACKAGE.;.$gdb_prompt $" {
	166	set description "next over textdomain PACKAGE"
	167	set command "next"
	168	}
b6db2c47	169	-re "\[0-9\]+\[\t \]+\{\r\n$gdb_prompt $" {
ee73db83 DC	170	set description "step over initial brace"
	171	set command "step"
	172	}
	173	-re ".current_directory = gdb_dirbuf.$gdb_prompt $" {
	174	set description "step over current_directory initialization"
	175	set command "step"
	176	}
a1769aca DC	177	-re ".gdb_sysroot = .$gdb_prompt $" {
	178	# NOTE: carlton/2003-01-15: More optimization reordering,
	179	# observed on GCC 3.1.
	180	set description "step over gdb_sysroot initialization"
	181	set command "step"
	182	}
180dea7c AS	183	-re ".ndir = 0.$gdb_prompt $" {
	184	set description "step over ndir initialization"
	185	set command "step"
	186	}
	187	-re ".instream = stdin.$gdb_prompt $" {
	188	set description "step over instream initialization"
	189	set command "step"
	190	}
	191	-re ".getcwd .gdb_dirbuf, sizeof .gdb_dirbuf..;.$gdb_prompt $" {
	192	set description "next over getcwd"
	193	set command "next"
	194	}
6d9c3a87 AS	195	-re ".quit_flag = 0.$gdb_prompt $" {
	196	set description "step over quit_flag initialization"
	197	set command "step"
	198	}
	199	-re ".gdb_stdout = stdio_fileopen .stdout.;.$gdb_prompt $" {
	200	set description "step over gdb_stdout initialization"
	201	set command "step"
	202	}
	203	-re ".gdb_stderr = stdio_fileopen .stderr.;.$gdb_prompt $" {
	204	set description "step over gdb_stderr initialization"
	205	set command "step"
	206	}
adf40b2e JM	207	-re ".main.c.No such file or directory.*$gdb_prompt $" {
	208	setup_xfail "rs6000--aix3"
	209	fail "must be able to list source lines"
	210	return
	211	}
2fa63963 DJ	212	-re ".interpreter_p = xstrdup.$gdb_prompt $" {
	213	if { $unlikely_line == 0 } {
	214	# This is a GCC optimization bug; a constant has been
	215	# associated with the wrong line number.
	216	setup_xfail "--*" gcc/26475
	217	fail "$description (unlikely line from gcc)"
	218	set unlikely_line 1
	219	}
	220	set description "next over xstrdup"
	221	set command "next"
	222	}
adf40b2e JM	223	-re ".*$gdb_prompt $" {
	224	fail "unknown source line after $description"
	225	return
	226	}
	227	default {
	228	fail "unknown source line near main"
	229	return
	230	}
	231	}
	232	send_gdb "$command\n"
	233	gdb_expect {
	234	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	235	fail "$description (no source available)"
	236	}
	237	-re ".A file or directory . does not exist..\r\n$gdb_prompt $" {
	238	fail "$description (no source available)"
	239	}
	240	-re ".*$gdb_prompt $" {
	241	pass "$description"
	242	}
	243	timeout {
	244	fail "$description (timeout)"
	245	}
	246	}
	247	}
	248	}
	249
	250	proc test_with_self { executable } {
	251	global gdb_prompt
	252	global tool
	253	global det_file
	254	global decimal
	255	global timeout
	256
	257	# load yourself into the debugger
	258	# This can take a relatively long time, particularly for testing where
	259	# the executable is being accessed over a network, or where gdb does not
	260	# support partial symbols for a particular target and has to load the
	261	# entire symbol table. Set the timeout to 10 minutes, which should be
	262	# adequate for most environments (it has timed out with 5 min on a
	263	# SPARCstation SLC under moderate load, so this isn't unreasonable).
	264	# After gdb is started, set the timeout to 30 seconds for the duration
	265	# of this test, and then back to the original value.
	266
	267	set oldtimeout $timeout
	268	set timeout 600
	269	verbose "Timeout is now $timeout seconds" 2
3e3ffd2b	270
2db8e78e MC	271	global gdb_file_cmd_debug_info
	272	set gdb_file_cmd_debug_info "unset"
	273
3e3ffd2b	274	set result [gdb_load $executable]
adf40b2e JM	275	set timeout $oldtimeout
	276	verbose "Timeout is now $timeout seconds" 2
	277
2db8e78e MC	278	if { $result != 0 } then {
	279	return -1
	280	}
	281
	282	if { $gdb_file_cmd_debug_info != "debug" } then {
	283	untested "No debug information, skipping testcase."
3e3ffd2b MC	284	return -1
	285	}
	286
adf40b2e JM	287	# disassemble yourself
	288	gdb_test "x/10i main" \
	289	"x/10i.main.main.$decimal.main.$decimal." \
	290	"Disassemble main"
	291
	292	# Set a breakpoint at main
0d06e24b	293	gdb_test "break captured_main" \
adf40b2e	294	"Breakpoint.at. file., line." \
0d06e24b	295	"breakpoint in captured_main"
adf40b2e JM	296
	297	# We'll need this when we send a ^C to GDB. Need to do it before we
	298	# run the program and gdb starts saving and restoring tty states.
	299	# On Ultrix, we don't need it and it is really slow (because shell_escape
	300	# doesn't use vfork).
	301	if ![istarget "--ultrix*"] then {
	302	gdb_test "shell stty intr '^C'" "" \
	303	"set interrupt character in test_with_self"
	304	}
	305
	306	# FIXME: If we put this after the run to main, the first list
	307	# command doesn't print the same line as the current line where
	308	# gdb is stopped.
	309	gdb_test "set listsize 1" "" "set listsize to 1"
	310
	311	# run yourself
	312	# It may take a very long time for the inferior gdb to start (lynx),
	313	# so we bump it back up for the duration of this command.
	314	set timeout 600
	315
0d06e24b	316	set description "run until breakpoint at captured_main"
adf40b2e JM	317	send_gdb "run -nw\n"
adf40b2e JM	318	gdb_expect {
0d06e24b	319	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.* at .main.c:.$gdb_prompt $" {
adf40b2e JM	320	pass "$description"
adf40b2e JM	321	}
0d06e24b	322	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.*$gdb_prompt $" {
adf40b2e JM	323	xfail "$description (line numbers scrambled?)"
	324	}
	325	-re "vfork: No more processes.*$gdb_prompt $" {
	326	fail "$description (out of virtual memory)"
	327	set timeout $oldtimeout
	328	verbose "Timeout is now $timeout seconds" 2
	329	return -1
	330	}
	331	-re ".*$gdb_prompt $" {
	332	fail "$description"
	333	set timeout $oldtimeout
	334	verbose "Timeout is now $timeout seconds" 2
	335	return -1
	336	}
	337	timeout {
	338	fail "$description (timeout)"
	339	}
	340	}
	341
	342	set timeout $oldtimeout
	343	verbose "Timeout is now $timeout seconds" 2
	344
	345	# do we have a version number ?
	346	send_gdb "print version\n"
	347	gdb_expect {
d4f3574e SS	348	-re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
	349	pass "printed version as string"
	350	}
adf40b2e	351	-re ".\[0-9\]+ = +0x.\[0-9.\]+.$gdb_prompt $" {
d4f3574e	352	pass "printed version as pointer"
adf40b2e JM	353	}
	354	-re ".\[0-9\]+ = +.+ +0x.\[0-9.\]+.$gdb_prompt $" {
	355	pass "printed version with cast"
	356	}
	357	-re ".*$gdb_prompt $" { fail "printed version" }
	358	timeout { fail "(timeout) printed version" }
	359	}
	360
	361	do_steps_and_nexts
	362
	363	gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
	364
	365	# do_steps_and_nexts left us ready to execute an xmalloc call,
	366	# so give that a try.
	367	# If we don't actually enter the xmalloc call when we give a
	368	# step command that seems like a genuine bug. It seems to happen
	369	# on most RISC processors.
48fe539f DJ	370	# NOTE drow/2003-06-22: However, if we step back to the preceding two
	371	# lines, just keep stepping until we enter.
	372	set stepped_back 0
adf40b2e JM	373	setup_xfail "alpha--" "mips--"
	374	set description "step into xmalloc call"
	375	send_gdb "step\n"
	376	gdb_expect {
48fe539f DJ	377	-re "ncmd = 0;.*$gdb_prompt $" {
	378	set stepped_back 1
	379	send_gdb "step\n"
	380	exp_continue
	381	}
274bcba0 EZ	382	-re ".cmdarg = . xmalloc.*$gdb_prompt $" {
	383	set stepped_back 1
	384	send_gdb "step\n"
	385	exp_continue
	386	}
48fe539f DJ	387	-re "dirsize = 1;.*$gdb_prompt $" {
	388	set stepped_back 1
	389	send_gdb "step\n"
	390	exp_continue
	391	}
	392	-re ".dirarg = . xmalloc.*$gdb_prompt $" {
	393	if { $stepped_back == 1 } {
	394	send_gdb "step\n"
	395	exp_continue
	396	} else {
	397	fail "$description"
	398	}
	399	}
adf40b2e JM	400	-re "xmalloc.size=.at.utils.c.$gdb_prompt $" {
	401	pass "$description"
	402	}
	403	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	404	pass "$description (no source available)"
	405	}
	406	-re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
	407	pass "$description (no source available)"
	408	}
	409	-re ".*$gdb_prompt $" {
	410	fail "$description"
	411	}
	412	timeout {
	413	fail "$description (timeout)"
	414	}
	415	}
	416
	417	# start the "xgdb" process
	418	send_gdb "continue\n"
	419	gdb_expect {
	420	-re "GNU gdb \[0-9\.\].
d082a1e2	421	Copyright \\(C\\) \[0-9\]* Free Software Foundation, Inc.*
c8f021f8 JK	422	License GPLv3\\+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.*
	423	This is free software: you are free to change and redistribute it.*
	424	There is NO WARRANTY, to the extent permitted by law. Type \"show copying\".*
	425	and \"show warranty\" for details.*
	426	This GDB was configured as .*$gdb_prompt $"\
	427	{ pass "xgdb is at prompt" }
	428	-re "GNU gdb \[0-9\.\].
	429	Copyright \\(C\\) \[0-9\]* Free Software Foundation, Inc.*
adf40b2e JM	430	GDB is free software, covered by the GNU General Public License, and you are.*
	431	welcome to change it and/or distribute copies of it under certain conditions.*
	432	Type \"show copying\" to see the conditions.*
	433	There is absolutely no warranty for GDB. Type \"show warranty\" for details.*
	434	This GDB was configured as .*$gdb_prompt $"\
c8f021f8	435	{ pass "xgdb is at prompt (obsolescent gdb 2)" }
adf40b2e JM	436	-re "GDB is free software and you are welcome to distribute copies of it.*
	437	under certain conditions; type \"show copying\" to see the conditions..*
	438	There is absolutely no warranty for GDB; type \"show warranty\" for details..*
	439	GDB.Copyright \[0-9\]+ Free Software Foundation, Inc..$gdb_prompt $"\
c8f021f8	440	{ pass "xgdb is at prompt (obsolescent gdb 1)" }
adf40b2e JM	441	-re ".*$gdb_prompt $" { fail "xgdb is at prompt" }
	442	timeout { fail "(timeout) xgdb is at prompt" }
	443	}
	444
	445	# set xgdb prompt so we can tell which is which
	446	send_gdb "set prompt (xgdb) \n"
	447	gdb_expect {
	448	-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" { pass "Set xgdb prompt" }
	449	-re ".*$gdb_prompt $" { fail "Set xgdb prompt" }
	450	default { fail "(timeout) Set xgdb prompt" }
	451	}
	452
	453	# kill the xgdb process
	454	set description "send ^C to child process"
	455	send_gdb "\003"
	456	gdb_expect {
	457	-re "Program received signal SIGINT.*$gdb_prompt $" {
	458	pass "$description"
	459	}
	460	-re ".*$gdb_prompt $" {
	461	fail "$description"
	462	}
	463	timeout {
	464	fail "$description (timeout)"
	465	}
	466	}
	467
	468	set description "send SIGINT signal to child process"
	469	send_gdb "signal SIGINT\n"
	470	gdb_expect {
	471	-re "Continuing with signal SIGINT.*$gdb_prompt $" {
	472	pass "$description"
	473	}
	474	-re ".*$gdb_prompt $" {
	475	fail "$description"
	476	}
	477	timeout {
	478	fail "$description (timeout)"
	479	}
	480	}
	481
	482	# get a stack trace
	483	#
	484	# This fails on some linux systems for unknown reasons. On the
	485	# systems where it fails, sometimes it works fine when run manually.
	486	# The testsuite failures may not be limited to just aout systems.
634d57ec	487	setup_xfail "i*86-pc-linuxaout-gnu"
adf40b2e JM	488	set description "backtrace through signal handler"
	489	send_gdb "backtrace\n"
	490	gdb_expect {
92806416	491	-re "#0.(read\|poll).in main \\(.\\) at .gdb\\.c.*$gdb_prompt $" {
adf40b2e JM	492	pass "$description"
	493	}
	494	-re ".*$gdb_prompt $" {
	495	# On the alpha, we hit the infamous problem about gdb
	496	# being unable to get the frame pointer (mentioned in
	497	# gdb/README). As it is intermittent, there is no way to
	498	# XFAIL it which will give us an XPASS if the problem goes
	499	# away.
	500	setup_xfail "alpha--osf*"
	501	fail "$description"
	502	}
	503	timeout {
	504	fail "$description (timeout)"
	505	}
	506	}
	507
	508
	509	# Set the timeout back to the value it had when we were called.
	510	set timeout $oldtimeout
	511	verbose "Timeout is now $timeout seconds" 2
	512
	513	# Restart gdb in case next test expects it to be started already.
	514	return 0
	515	}
	516
	517	# Find a pathname to a file that we would execute if the shell was asked
	518	# to run $arg using the current PATH.
	519
	520	proc find_gdb { arg } {
	521
	522	# If the arg directly specifies an existing executable file, then
	523	# simply use it.
	524
	525	if [file executable $arg] then {
	526	return $arg
	527	}
	528
	529	set result [which $arg]
	530	if [string match "/" [ string range $result 0 0 ]] then {
	531	return $result
	532	}
	533
	534	# If everything fails, just return the unqualified pathname as default
	535	# and hope for best.
	536
	537	return $arg
	538	}
	539
	540	# Run the test with self.
	541	# Copy the file executable file in case this OS doesn't like to edit its own
	542	# text space.
	543
	544	set GDB_FULLPATH [find_gdb $GDB]
	545
	546	# Remove any old copy lying around.
	547	remote_file host delete x$tool
	548
	549	gdb_start
	550	set file [remote_download host $GDB_FULLPATH x$tool]
	551	set result [test_with_self $file];
	552	gdb_exit;
	553	catch "remote_file host delete $file";
	554
	555	if {$result <0} then {
556	warning "Couldn't test self"
557	return -1
558	}