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

# Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000, 2002,
# 2003, 2004 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

# 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] {
    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/..

    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 $" {
		set description "step over execarg initialization"
		set command "step"
	    }
	    -re ".*corearg = NULL.*$gdb_prompt $" {
		set description "step over corearg initialization"
		set command "step"
	    }
	    -re ".*cdarg = NULL.*$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 "\[ \t\]+\{\r\n$gdb_prompt $" {
		setup_xfail "mips-*-irix5*"
		fail "$description ended up at odd location"
	    }
	    -re ".*main.c.*No such file or directory.*$gdb_prompt $" {
		setup_xfail "rs6000-*-aix3*"
		fail "must be able to list source lines"
		return
	    }
	    -re ".*$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

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

    if { [lindex $result 0] != "" } then {
	return -1
    } else {
        if { [lsearch -exact [lrange $result 1 end] "nodebug"] >= 0 } 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 \[0-9\]* 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" }
	-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 $"\
	    { pass "xgdb is at prompt (obsolescent gdb)" }
	-re ".*$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
c3297504 MC	1	# Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000, 2002,
c3297504 MC	2	# 2003, 2004 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
	6	# the Free Software Foundation; either version 2 of the License, or
	7	# (at your option) any later version.
	8	#
	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.
	13	#
	14	# You should have received a copy of the GNU General Public License
	15	# along with this program; if not, write to the Free Software
	16	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	17
adf40b2e JM	18	# This file was written by Rob Savoye. (rob@cygnus.com)
	19
	20	if $tracelevel then {
	21	strace $tracelevel
	22	}
	23
	24	set prms_id 0
	25	set bug_id 0
	26
	27	# are we on a target board
	28	if [is_remote target] {
	29	return
	30	}
	31
adf40b2e JM	32	# Not all of the lines of code near the start of main are executed for
	33	# every machine. Also, optimization may reorder some of the lines.
	34	# So all we do is try to step or next over everything until we get
	35	# to a line that we know is always executed.
	36
	37	proc do_steps_and_nexts {} {
	38	global gdb_prompt
	39	global srcdir
	40
	41	gdb_reinitialize_dir $srcdir/..
	42
48fe539f	43	for {set count 0} {$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 $" {
	75	set description "step over execarg initialization"
	76	set command "step"
	77	}
	78	-re ".corearg = NULL.$gdb_prompt $" {
	79	set description "step over corearg initialization"
	80	set command "step"
	81	}
	82	-re ".cdarg = NULL.$gdb_prompt $" {
	83	set description "step over cdarg initialization"
	84	set command "step"
	85	}
	86	-re ".ttyarg = NULL.$gdb_prompt $" {
	87	set description "step over ttyarg initialization"
	88	set command "step"
	89	}
adf40b2e JM	90	-re ".time_at_startup = get_run_time.$gdb_prompt $" {
	91	set description "next over get_run_time and everything it calls"
	92	set command "next"
	93	}
	94	-re ".START_PROGRESS.$gdb_prompt $" {
9d62932d EZ	95	# Note: ezannoni/2004/02/17: This check should be
	96	# removed, since as of today that source line is not
	97	# in gdb anymore.
adf40b2e JM	98	set description "next over START_PROGRESS and everything it calls"
	99	set command "next"
	100	}
	101	-re ".mac_init.$gdb_prompt $" {
	102	set description "next over mac_init and everything it calls"
	103	set command "next"
	104	}
c3297504 MC	105	-re ".init_malloc.$gdb_prompt $" {
	106	# gdb 6.2.X is the last gdb which called init_malloc
	107	set description "next over init_malloc and everything it calls"
	108	set command "next"
	109	}
6dd77b81 RH	110	-re ".lim_at_start.$gdb_prompt $" {
	111	set description "next over lim_at_start initialization"
	112	set command "next"
	113	}
adf40b2e JM	114	-re ".count . 0x3.$gdb_prompt $" {
	115	set description "next over conditional stack alignment code 1"
	116	set command "next"
	117	}
	118	-re ".if .i != 0.$gdb_prompt $" {
	119	set description "next over conditional stack alignment code 2"
	120	set command "next"
	121	}
	122	-re ".alloca .i - 4.$gdb_prompt $" {
	123	set description "next over conditional stack alignment alloca"
	124	set command "next"
	125	}
adf40b2e JM	126	-re ".cmdsize = 1.$gdb_prompt $" {
	127	set description "step over cmdsize initialization"
	128	set command "next"
	129	}
	130	-re ".cmdarg = . xmalloc.*$gdb_prompt $" {
	131	set description "next over cmdarg initialization via xmalloc"
	132	set command "next"
	133	}
	134	-re ".ncmd = 0.$gdb_prompt $" {
	135	set description "next over ncmd initialization"
	136	set command "next"
	137	}
	138	-re ".dirsize = 1.$gdb_prompt $" {
	139	set description "next over dirsize initialization"
	140	set command "next"
	141	}
	142	-re ".dirarg = . xmalloc.*$gdb_prompt $" {
	143	return
	144	}
8cf8c2b8 AC	145	-re ".setlocale .LC_MESSAGES,.$gdb_prompt $" {
	146	set description "next over setlocale LC_MESSAGES"
	147	set command "next"
	148	}
	149	-re ".setlocale .LC_CTYPE,.$gdb_prompt $" {
	150	set description "next over setlocale LC_CTYPE"
	151	set command "next"
	152	}
	153	-re ".bindtextdomain .PACKAGE, LOCALEDIR.;.$gdb_prompt $" {
	154	set description "next over bindtextdomain"
	155	set command "next"
	156	}
	157	-re ".textdomain .PACKAGE.;.$gdb_prompt $" {
	158	set description "next over textdomain PACKAGE"
	159	set command "next"
	160	}
ee73db83 DC	161	-re "\[0-9\]*\t\{\r\n$gdb_prompt $" {
	162	set description "step over initial brace"
	163	set command "step"
	164	}
	165	-re ".current_directory = gdb_dirbuf.$gdb_prompt $" {
	166	set description "step over current_directory initialization"
	167	set command "step"
	168	}
a1769aca DC	169	-re ".gdb_sysroot = .$gdb_prompt $" {
	170	# NOTE: carlton/2003-01-15: More optimization reordering,
	171	# observed on GCC 3.1.
	172	set description "step over gdb_sysroot initialization"
	173	set command "step"
	174	}
180dea7c AS	175	-re ".ndir = 0.$gdb_prompt $" {
	176	set description "step over ndir initialization"
	177	set command "step"
	178	}
	179	-re ".instream = stdin.$gdb_prompt $" {
	180	set description "step over instream initialization"
	181	set command "step"
	182	}
	183	-re ".getcwd .gdb_dirbuf, sizeof .gdb_dirbuf..;.$gdb_prompt $" {
	184	set description "next over getcwd"
	185	set command "next"
	186	}
adf40b2e JM	187	-re "\[ \t\]+\{\r\n$gdb_prompt $" {
	188	setup_xfail "mips--irix5"
	189	fail "$description ended up at odd location"
	190	}
	191	-re ".main.c.No such file or directory.*$gdb_prompt $" {
	192	setup_xfail "rs6000--aix3"
	193	fail "must be able to list source lines"
	194	return
	195	}
	196	-re ".*$gdb_prompt $" {
	197	fail "unknown source line after $description"
	198	return
	199	}
	200	default {
	201	fail "unknown source line near main"
	202	return
	203	}
	204	}
	205	send_gdb "$command\n"
	206	gdb_expect {
	207	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	208	fail "$description (no source available)"
	209	}
	210	-re ".A file or directory . does not exist..\r\n$gdb_prompt $" {
	211	fail "$description (no source available)"
	212	}
	213	-re ".*$gdb_prompt $" {
	214	pass "$description"
	215	}
	216	timeout {
	217	fail "$description (timeout)"
	218	}
	219	}
	220	}
	221	}
	222
	223	proc test_with_self { executable } {
	224	global gdb_prompt
	225	global tool
	226	global det_file
	227	global decimal
	228	global timeout
	229
	230	# load yourself into the debugger
	231	# This can take a relatively long time, particularly for testing where
	232	# the executable is being accessed over a network, or where gdb does not
	233	# support partial symbols for a particular target and has to load the
	234	# entire symbol table. Set the timeout to 10 minutes, which should be
	235	# adequate for most environments (it has timed out with 5 min on a
	236	# SPARCstation SLC under moderate load, so this isn't unreasonable).
	237	# After gdb is started, set the timeout to 30 seconds for the duration
	238	# of this test, and then back to the original value.
	239
	240	set oldtimeout $timeout
	241	set timeout 600
	242	verbose "Timeout is now $timeout seconds" 2
3e3ffd2b MC	243
3e3ffd2b MC	244	set result [gdb_load $executable]
adf40b2e JM	245	set timeout $oldtimeout
	246	verbose "Timeout is now $timeout seconds" 2
	247
3e3ffd2b MC	248	if { [lindex $result 0] != "" } then {
3e3ffd2b MC	249	return -1
3bdcad15 MI	250	} else {
	251	if { [lsearch -exact [lrange $result 1 end] "nodebug"] >= 0 } then {
	252	untested "No debug information, skipping testcase."
	253	return -1
	254	}
3e3ffd2b MC	255	}
3e3ffd2b MC	256
adf40b2e JM	257	# disassemble yourself
	258	gdb_test "x/10i main" \
	259	"x/10i.main.main.$decimal.main.$decimal." \
	260	"Disassemble main"
	261
	262	# Set a breakpoint at main
0d06e24b	263	gdb_test "break captured_main" \
adf40b2e	264	"Breakpoint.at. file., line." \
0d06e24b	265	"breakpoint in captured_main"
adf40b2e JM	266
	267	# We'll need this when we send a ^C to GDB. Need to do it before we
	268	# run the program and gdb starts saving and restoring tty states.
	269	# On Ultrix, we don't need it and it is really slow (because shell_escape
	270	# doesn't use vfork).
	271	if ![istarget "--ultrix*"] then {
	272	gdb_test "shell stty intr '^C'" "" \
	273	"set interrupt character in test_with_self"
	274	}
	275
	276	# FIXME: If we put this after the run to main, the first list
	277	# command doesn't print the same line as the current line where
	278	# gdb is stopped.
	279	gdb_test "set listsize 1" "" "set listsize to 1"
	280
	281	# run yourself
	282	# It may take a very long time for the inferior gdb to start (lynx),
	283	# so we bump it back up for the duration of this command.
	284	set timeout 600
	285
0d06e24b	286	set description "run until breakpoint at captured_main"
adf40b2e JM	287	send_gdb "run -nw\n"
adf40b2e JM	288	gdb_expect {
0d06e24b	289	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.* at .main.c:.$gdb_prompt $" {
adf40b2e JM	290	pass "$description"
adf40b2e JM	291	}
0d06e24b	292	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.*$gdb_prompt $" {
adf40b2e JM	293	xfail "$description (line numbers scrambled?)"
	294	}
	295	-re "vfork: No more processes.*$gdb_prompt $" {
	296	fail "$description (out of virtual memory)"
	297	set timeout $oldtimeout
	298	verbose "Timeout is now $timeout seconds" 2
	299	return -1
	300	}
	301	-re ".*$gdb_prompt $" {
	302	fail "$description"
	303	set timeout $oldtimeout
	304	verbose "Timeout is now $timeout seconds" 2
	305	return -1
	306	}
	307	timeout {
	308	fail "$description (timeout)"
	309	}
	310	}
	311
	312	set timeout $oldtimeout
	313	verbose "Timeout is now $timeout seconds" 2
	314
	315	# do we have a version number ?
	316	send_gdb "print version\n"
	317	gdb_expect {
d4f3574e SS	318	-re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
	319	pass "printed version as string"
	320	}
adf40b2e	321	-re ".\[0-9\]+ = +0x.\[0-9.\]+.$gdb_prompt $" {
d4f3574e	322	pass "printed version as pointer"
adf40b2e JM	323	}
	324	-re ".\[0-9\]+ = +.+ +0x.\[0-9.\]+.$gdb_prompt $" {
	325	pass "printed version with cast"
	326	}
	327	-re ".*$gdb_prompt $" { fail "printed version" }
	328	timeout { fail "(timeout) printed version" }
	329	}
	330
	331	do_steps_and_nexts
	332
	333	gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
	334
	335	# do_steps_and_nexts left us ready to execute an xmalloc call,
	336	# so give that a try.
	337	# If we don't actually enter the xmalloc call when we give a
	338	# step command that seems like a genuine bug. It seems to happen
	339	# on most RISC processors.
48fe539f DJ	340	# NOTE drow/2003-06-22: However, if we step back to the preceding two
	341	# lines, just keep stepping until we enter.
	342	set stepped_back 0
adf40b2e JM	343	setup_xfail "alpha--" "mips--"
	344	set description "step into xmalloc call"
	345	send_gdb "step\n"
	346	gdb_expect {
48fe539f DJ	347	-re "ncmd = 0;.*$gdb_prompt $" {
	348	set stepped_back 1
	349	send_gdb "step\n"
	350	exp_continue
	351	}
274bcba0 EZ	352	-re ".cmdarg = . xmalloc.*$gdb_prompt $" {
	353	set stepped_back 1
	354	send_gdb "step\n"
	355	exp_continue
	356	}
48fe539f DJ	357	-re "dirsize = 1;.*$gdb_prompt $" {
	358	set stepped_back 1
	359	send_gdb "step\n"
	360	exp_continue
	361	}
	362	-re ".dirarg = . xmalloc.*$gdb_prompt $" {
	363	if { $stepped_back == 1 } {
	364	send_gdb "step\n"
	365	exp_continue
	366	} else {
	367	fail "$description"
	368	}
	369	}
adf40b2e JM	370	-re "xmalloc.size=.at.utils.c.$gdb_prompt $" {
	371	pass "$description"
	372	}
	373	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	374	pass "$description (no source available)"
	375	}
	376	-re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
	377	pass "$description (no source available)"
	378	}
	379	-re ".*$gdb_prompt $" {
	380	fail "$description"
	381	}
	382	timeout {
	383	fail "$description (timeout)"
	384	}
	385	}
	386
	387	# start the "xgdb" process
	388	send_gdb "continue\n"
	389	gdb_expect {
	390	-re "GNU gdb \[0-9\.\].
	391	Copyright \[0-9\]* Free Software Foundation, Inc.*
	392	GDB is free software, covered by the GNU General Public License, and you are.*
	393	welcome to change it and/or distribute copies of it under certain conditions.*
	394	Type \"show copying\" to see the conditions.*
	395	There is absolutely no warranty for GDB. Type \"show warranty\" for details.*
	396	This GDB was configured as .*$gdb_prompt $"\
	397	{ pass "xgdb is at prompt" }
	398	-re "GDB is free software and you are welcome to distribute copies of it.*
	399	under certain conditions; type \"show copying\" to see the conditions..*
	400	There is absolutely no warranty for GDB; type \"show warranty\" for details..*
	401	GDB.Copyright \[0-9\]+ Free Software Foundation, Inc..$gdb_prompt $"\
	402	{ pass "xgdb is at prompt (obsolescent gdb)" }
	403	-re ".*$gdb_prompt $" { fail "xgdb is at prompt" }
	404	timeout { fail "(timeout) xgdb is at prompt" }
	405	}
	406
	407	# set xgdb prompt so we can tell which is which
	408	send_gdb "set prompt (xgdb) \n"
	409	gdb_expect {
	410	-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" { pass "Set xgdb prompt" }
	411	-re ".*$gdb_prompt $" { fail "Set xgdb prompt" }
	412	default { fail "(timeout) Set xgdb prompt" }
	413	}
	414
	415	# kill the xgdb process
	416	set description "send ^C to child process"
	417	send_gdb "\003"
	418	gdb_expect {
	419	-re "Program received signal SIGINT.*$gdb_prompt $" {
	420	pass "$description"
	421	}
	422	-re ".*$gdb_prompt $" {
	423	fail "$description"
	424	}
	425	timeout {
	426	fail "$description (timeout)"
	427	}
	428	}
	429
	430	set description "send SIGINT signal to child process"
	431	send_gdb "signal SIGINT\n"
	432	gdb_expect {
	433	-re "Continuing with signal SIGINT.*$gdb_prompt $" {
434	pass "$description"
435	}
436	-re ".*$gdb_prompt $" {
437	fail "$description"
438	}
439	timeout {
440	fail "$description (timeout)"
441	}
442	}
443
444	# get a stack trace
445	#
446	# This fails on some linux systems for unknown reasons. On the
447	# systems where it fails, sometimes it works fine when run manually.
448	# The testsuite failures may not be limited to just aout systems.
634d57ec	449	setup_xfail "i*86-pc-linuxaout-gnu"
adf40b2e JM	450	set description "backtrace through signal handler"
	451	send_gdb "backtrace\n"
	452	gdb_expect {
92806416	453	-re "#0.(read\|poll).in main \\(.\\) at .gdb\\.c.*$gdb_prompt $" {
adf40b2e JM	454	pass "$description"
	455	}
	456	-re ".*$gdb_prompt $" {
	457	# On the alpha, we hit the infamous problem about gdb
	458	# being unable to get the frame pointer (mentioned in
	459	# gdb/README). As it is intermittent, there is no way to
	460	# XFAIL it which will give us an XPASS if the problem goes
	461	# away.
	462	setup_xfail "alpha--osf*"
	463	fail "$description"
	464	}
	465	timeout {
	466	fail "$description (timeout)"
	467	}
	468	}
	469
	470
	471	# Set the timeout back to the value it had when we were called.
	472	set timeout $oldtimeout
	473	verbose "Timeout is now $timeout seconds" 2
	474
	475	# Restart gdb in case next test expects it to be started already.
	476	return 0
	477	}
	478
	479	# Find a pathname to a file that we would execute if the shell was asked
	480	# to run $arg using the current PATH.
	481
	482	proc find_gdb { arg } {
	483
	484	# If the arg directly specifies an existing executable file, then
	485	# simply use it.
	486
	487	if [file executable $arg] then {
	488	return $arg
	489	}
	490
	491	set result [which $arg]
	492	if [string match "/" [ string range $result 0 0 ]] then {
	493	return $result
	494	}
	495
	496	# If everything fails, just return the unqualified pathname as default
	497	# and hope for best.
	498
	499	return $arg
	500	}
	501
	502	# Run the test with self.
	503	# Copy the file executable file in case this OS doesn't like to edit its own
	504	# text space.
	505
	506	set GDB_FULLPATH [find_gdb $GDB]
	507
	508	# Remove any old copy lying around.
	509	remote_file host delete x$tool
	510
	511	gdb_start
	512	set file [remote_download host $GDB_FULLPATH x$tool]
	513	set result [test_with_self $file];
	514	gdb_exit;
	515	catch "remote_file host delete $file";
	516
	517	if {$result <0} then {
518	warning "Couldn't test self"
519	return -1
520	}