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

#   Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000, 2002
#   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.  

# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu

# 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
}

if [istarget "m68k*-*-hpux*"] then {
    # The top-level makefile passes CFLAGS= (no -g) for hp300.  This probably
    # should be fixed (it is only needed for gcc bootstrapping, not gdb),
    # but until then.....
    setup_xfail "*-*-*"
    fail "cannot test self if compiled without debug info"
    return -1
}

# 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} {$count < 26} {incr count} {
	send_gdb "list\n"
	# NOTE: carlton/2002-12-11: The "initial brace" and
	# "current_directory initialization" possibilities happen to
	# me with GCC 3.1 on i686-pc-linux-gnu when I compile with
	# optimization.
	gdb_expect {
	    -re ".*context = data.*$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 $" {
		set description "next over START_PROGRESS and everything it calls"
		set command "next"
	    }
	    -re ".*mac_init.*$gdb_prompt $" {
		set description "next over mac_init and everything it calls"
		set command "next"
	    }
	    -re ".*init_malloc.*$gdb_prompt $" {
		set description "next over init_malloc and everything it calls"
		set command "next"
	    }
	    -re ".*lim_at_start.*$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 "\[ \t\]+\{\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
    if {[gdb_load $executable] <0} then {
	set timeout $oldtimeout
	verbose "Timeout is now $timeout seconds" 2
	return -1
    }
    set timeout $oldtimeout
    verbose "Timeout is now $timeout seconds" 2

    # 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.
    setup_xfail "alpha-*-*" "mips-*-*"
    set description "step into xmalloc call"
    send_gdb "step\n"
    gdb_expect {
	-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
92806416	1	# Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000, 2002
b6ba6518	2	# 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
	18	# Please email any bugs, comments, and/or additions to this file to:
	19	# bug-gdb@prep.ai.mit.edu
	20
	21	# This file was written by Rob Savoye. (rob@cygnus.com)
	22
	23	if $tracelevel then {
	24	strace $tracelevel
	25	}
	26
	27	set prms_id 0
	28	set bug_id 0
	29
	30	# are we on a target board
	31	if [is_remote target] {
	32	return
	33	}
	34
	35	if [istarget "m68k--hpux*"] then {
	36	# The top-level makefile passes CFLAGS= (no -g) for hp300. This probably
	37	# should be fixed (it is only needed for gcc bootstrapping, not gdb),
	38	# but until then.....
	39	setup_xfail "--*"
	40	fail "cannot test self if compiled without debug info"
	41	return -1
	42	}
	43
	44	# Not all of the lines of code near the start of main are executed for
	45	# every machine. Also, optimization may reorder some of the lines.
	46	# So all we do is try to step or next over everything until we get
	47	# to a line that we know is always executed.
	48
	49	proc do_steps_and_nexts {} {
	50	global gdb_prompt
	51	global srcdir
	52
	53	gdb_reinitialize_dir $srcdir/..
	54
8cf8c2b8	55	for {set count 0} {$count < 26} {incr count} {
adf40b2e	56	send_gdb "list\n"
ee73db83 DC	57	# NOTE: carlton/2002-12-11: The "initial brace" and
	58	# "current_directory initialization" possibilities happen to
	59	# me with GCC 3.1 on i686-pc-linux-gnu when I compile with
	60	# optimization.
adf40b2e	61	gdb_expect {
0d06e24b JM	62	-re ".context = data.$gdb_prompt $" {
	63	set description "step over context initialization"
	64	set command "step"
	65	}
	66	-re ".argc = context->argc.$gdb_prompt $" {
	67	set description "step over argc initialization"
	68	set command "step"
	69	}
	70	-re ".argv = context->argv.$gdb_prompt $" {
	71	set description "step over argv initialization"
	72	set command "step"
	73	}
	74	-re ".quiet = 0.$gdb_prompt $" {
	75	set description "step over quiet initialization"
	76	set command "step"
	77	}
	78	-re ".batch = 0.$gdb_prompt $" {
	79	set description "step over batch initialization"
	80	set command "step"
	81	}
adf40b2e JM	82	-re ".symarg = NULL.$gdb_prompt $" {
	83	set description "step over symarg initialization"
	84	set command "step"
	85	}
	86	-re ".execarg = NULL.$gdb_prompt $" {
	87	set description "step over execarg initialization"
	88	set command "step"
	89	}
	90	-re ".corearg = NULL.$gdb_prompt $" {
	91	set description "step over corearg initialization"
	92	set command "step"
	93	}
	94	-re ".cdarg = NULL.$gdb_prompt $" {
	95	set description "step over cdarg initialization"
	96	set command "step"
	97	}
	98	-re ".ttyarg = NULL.$gdb_prompt $" {
	99	set description "step over ttyarg initialization"
	100	set command "step"
	101	}
adf40b2e JM	102	-re ".time_at_startup = get_run_time.$gdb_prompt $" {
	103	set description "next over get_run_time and everything it calls"
	104	set command "next"
	105	}
	106	-re ".START_PROGRESS.$gdb_prompt $" {
	107	set description "next over START_PROGRESS and everything it calls"
	108	set command "next"
	109	}
	110	-re ".mac_init.$gdb_prompt $" {
	111	set description "next over mac_init and everything it calls"
	112	set command "next"
	113	}
	114	-re ".init_malloc.$gdb_prompt $" {
	115	set description "next over init_malloc and everything it calls"
	116	set command "next"
	117	}
6dd77b81 RH	118	-re ".lim_at_start.$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	}
ee73db83 DC	169	-re "\[0-9\]*\t\{\r\n$gdb_prompt $" {
	170	set description "step over initial brace"
	171	set command "step"
	172	}
	173	-re ".current_directory = gdb_dirbuf.$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	}
adf40b2e JM	183	-re "\[ \t\]+\{\r\n$gdb_prompt $" {
	184	setup_xfail "mips--irix5"
	185	fail "$description ended up at odd location"
	186	}
	187	-re ".main.c.No such file or directory.*$gdb_prompt $" {
	188	setup_xfail "rs6000--aix3"
	189	fail "must be able to list source lines"
	190	return
	191	}
	192	-re ".*$gdb_prompt $" {
	193	fail "unknown source line after $description"
	194	return
	195	}
	196	default {
	197	fail "unknown source line near main"
	198	return
	199	}
	200	}
	201	send_gdb "$command\n"
	202	gdb_expect {
	203	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	204	fail "$description (no source available)"
	205	}
	206	-re ".A file or directory . does not exist..\r\n$gdb_prompt $" {
	207	fail "$description (no source available)"
	208	}
	209	-re ".*$gdb_prompt $" {
	210	pass "$description"
	211	}
	212	timeout {
	213	fail "$description (timeout)"
	214	}
	215	}
	216	}
	217	}
	218
	219	proc test_with_self { executable } {
	220	global gdb_prompt
	221	global tool
	222	global det_file
	223	global decimal
	224	global timeout
	225
	226	# load yourself into the debugger
	227	# This can take a relatively long time, particularly for testing where
	228	# the executable is being accessed over a network, or where gdb does not
	229	# support partial symbols for a particular target and has to load the
	230	# entire symbol table. Set the timeout to 10 minutes, which should be
	231	# adequate for most environments (it has timed out with 5 min on a
	232	# SPARCstation SLC under moderate load, so this isn't unreasonable).
	233	# After gdb is started, set the timeout to 30 seconds for the duration
	234	# of this test, and then back to the original value.
	235
	236	set oldtimeout $timeout
	237	set timeout 600
	238	verbose "Timeout is now $timeout seconds" 2
	239	if {[gdb_load $executable] <0} then {
	240	set timeout $oldtimeout
	241	verbose "Timeout is now $timeout seconds" 2
	242	return -1
	243	}
	244	set timeout $oldtimeout
	245	verbose "Timeout is now $timeout seconds" 2
	246
247	# disassemble yourself
248	gdb_test "x/10i main" \
249	"x/10i.main.main.$decimal.main.$decimal." \
250	"Disassemble main"
251
252	# Set a breakpoint at main
0d06e24b	253	gdb_test "break captured_main" \
adf40b2e	254	"Breakpoint.at. file., line." \
0d06e24b	255	"breakpoint in captured_main"
adf40b2e JM	256
	257	# We'll need this when we send a ^C to GDB. Need to do it before we
	258	# run the program and gdb starts saving and restoring tty states.
	259	# On Ultrix, we don't need it and it is really slow (because shell_escape
	260	# doesn't use vfork).
	261	if ![istarget "--ultrix*"] then {
	262	gdb_test "shell stty intr '^C'" "" \
	263	"set interrupt character in test_with_self"
	264	}
	265
	266	# FIXME: If we put this after the run to main, the first list
	267	# command doesn't print the same line as the current line where
	268	# gdb is stopped.
	269	gdb_test "set listsize 1" "" "set listsize to 1"
	270
	271	# run yourself
	272	# It may take a very long time for the inferior gdb to start (lynx),
	273	# so we bump it back up for the duration of this command.
	274	set timeout 600
	275
0d06e24b	276	set description "run until breakpoint at captured_main"
adf40b2e JM	277	send_gdb "run -nw\n"
adf40b2e JM	278	gdb_expect {
0d06e24b	279	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.* at .main.c:.$gdb_prompt $" {
adf40b2e JM	280	pass "$description"
adf40b2e JM	281	}
0d06e24b	282	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.*$gdb_prompt $" {
adf40b2e JM	283	xfail "$description (line numbers scrambled?)"
	284	}
	285	-re "vfork: No more processes.*$gdb_prompt $" {
	286	fail "$description (out of virtual memory)"
	287	set timeout $oldtimeout
	288	verbose "Timeout is now $timeout seconds" 2
	289	return -1
	290	}
	291	-re ".*$gdb_prompt $" {
	292	fail "$description"
	293	set timeout $oldtimeout
	294	verbose "Timeout is now $timeout seconds" 2
	295	return -1
	296	}
	297	timeout {
	298	fail "$description (timeout)"
	299	}
	300	}
	301
	302	set timeout $oldtimeout
	303	verbose "Timeout is now $timeout seconds" 2
	304
	305	# do we have a version number ?
	306	send_gdb "print version\n"
	307	gdb_expect {
d4f3574e SS	308	-re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
	309	pass "printed version as string"
	310	}
adf40b2e	311	-re ".\[0-9\]+ = +0x.\[0-9.\]+.$gdb_prompt $" {
d4f3574e	312	pass "printed version as pointer"
adf40b2e JM	313	}
	314	-re ".\[0-9\]+ = +.+ +0x.\[0-9.\]+.$gdb_prompt $" {
	315	pass "printed version with cast"
	316	}
	317	-re ".*$gdb_prompt $" { fail "printed version" }
	318	timeout { fail "(timeout) printed version" }
	319	}
	320
	321	do_steps_and_nexts
	322
	323	gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
	324
	325	# do_steps_and_nexts left us ready to execute an xmalloc call,
	326	# so give that a try.
	327	# If we don't actually enter the xmalloc call when we give a
	328	# step command that seems like a genuine bug. It seems to happen
	329	# on most RISC processors.
	330	setup_xfail "alpha--" "mips--"
	331	set description "step into xmalloc call"
	332	send_gdb "step\n"
	333	gdb_expect {
	334	-re "xmalloc.size=.at.utils.c.$gdb_prompt $" {
	335	pass "$description"
	336	}
	337	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	338	pass "$description (no source available)"
	339	}
	340	-re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
	341	pass "$description (no source available)"
	342	}
	343	-re ".*$gdb_prompt $" {
	344	fail "$description"
	345	}
	346	timeout {
	347	fail "$description (timeout)"
	348	}
	349	}
	350
	351	# start the "xgdb" process
	352	send_gdb "continue\n"
	353	gdb_expect {
	354	-re "GNU gdb \[0-9\.\].
	355	Copyright \[0-9\]* Free Software Foundation, Inc.*
	356	GDB is free software, covered by the GNU General Public License, and you are.*
	357	welcome to change it and/or distribute copies of it under certain conditions.*
	358	Type \"show copying\" to see the conditions.*
	359	There is absolutely no warranty for GDB. Type \"show warranty\" for details.*
	360	This GDB was configured as .*$gdb_prompt $"\
	361	{ pass "xgdb is at prompt" }
	362	-re "GDB is free software and you are welcome to distribute copies of it.*
	363	under certain conditions; type \"show copying\" to see the conditions..*
	364	There is absolutely no warranty for GDB; type \"show warranty\" for details..*
	365	GDB.Copyright \[0-9\]+ Free Software Foundation, Inc..$gdb_prompt $"\
	366	{ pass "xgdb is at prompt (obsolescent gdb)" }
	367	-re ".*$gdb_prompt $" { fail "xgdb is at prompt" }
	368	timeout { fail "(timeout) xgdb is at prompt" }
	369	}
	370
	371	# set xgdb prompt so we can tell which is which
	372	send_gdb "set prompt (xgdb) \n"
	373	gdb_expect {
	374	-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" { pass "Set xgdb prompt" }
	375	-re ".*$gdb_prompt $" { fail "Set xgdb prompt" }
	376	default { fail "(timeout) Set xgdb prompt" }
377	}
378
379	# kill the xgdb process
380	set description "send ^C to child process"
381	send_gdb "\003"
382	gdb_expect {
383	-re "Program received signal SIGINT.*$gdb_prompt $" {
384	pass "$description"
385	}
386	-re ".*$gdb_prompt $" {
387	fail "$description"
388	}
389	timeout {
390	fail "$description (timeout)"
391	}
392	}
393
394	set description "send SIGINT signal to child process"
395	send_gdb "signal SIGINT\n"
396	gdb_expect {
397	-re "Continuing with signal SIGINT.*$gdb_prompt $" {
398	pass "$description"
399	}
400	-re ".*$gdb_prompt $" {
401	fail "$description"
402	}
403	timeout {
404	fail "$description (timeout)"
405	}
406	}
407
408	# get a stack trace
409	#
410	# This fails on some linux systems for unknown reasons. On the
411	# systems where it fails, sometimes it works fine when run manually.
412	# The testsuite failures may not be limited to just aout systems.
634d57ec	413	setup_xfail "i*86-pc-linuxaout-gnu"
adf40b2e JM	414	set description "backtrace through signal handler"
	415	send_gdb "backtrace\n"
	416	gdb_expect {
92806416	417	-re "#0.(read\|poll).in main \\(.\\) at .gdb\\.c.*$gdb_prompt $" {
adf40b2e JM	418	pass "$description"
	419	}
	420	-re ".*$gdb_prompt $" {
	421	# On the alpha, we hit the infamous problem about gdb
	422	# being unable to get the frame pointer (mentioned in
	423	# gdb/README). As it is intermittent, there is no way to
	424	# XFAIL it which will give us an XPASS if the problem goes
	425	# away.
	426	setup_xfail "alpha--osf*"
	427	fail "$description"
	428	}
	429	timeout {
	430	fail "$description (timeout)"
	431	}
	432	}
	433
	434
	435	# Set the timeout back to the value it had when we were called.
	436	set timeout $oldtimeout
	437	verbose "Timeout is now $timeout seconds" 2
	438
	439	# Restart gdb in case next test expects it to be started already.
	440	return 0
	441	}
	442
	443	# Find a pathname to a file that we would execute if the shell was asked
	444	# to run $arg using the current PATH.
	445
	446	proc find_gdb { arg } {
	447
	448	# If the arg directly specifies an existing executable file, then
	449	# simply use it.
	450
	451	if [file executable $arg] then {
	452	return $arg
	453	}
	454
	455	set result [which $arg]
	456	if [string match "/" [ string range $result 0 0 ]] then {
	457	return $result
	458	}
	459
	460	# If everything fails, just return the unqualified pathname as default
	461	# and hope for best.
	462
	463	return $arg
	464	}
	465
	466	# Run the test with self.
	467	# Copy the file executable file in case this OS doesn't like to edit its own
	468	# text space.
	469
	470	set GDB_FULLPATH [find_gdb $GDB]
	471
	472	# Remove any old copy lying around.
	473	remote_file host delete x$tool
	474
	475	gdb_start
	476	set file [remote_download host $GDB_FULLPATH x$tool]
	477	set result [test_with_self $file];
	478	gdb_exit;
	479	catch "remote_file host delete $file";
	480
	481	if {$result <0} then {
482	warning "Couldn't test self"
483	return -1
484	}