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

# Copyright 1988, 1990-1992, 1994, 1997, 1999-2000, 2002-2012 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)


# 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} {$count < 32} {incr count} {
	# NOTE: carlton/2002-12-11: The "initial brace" and
	# "current_directory initialization" possibilities happen to
	# me with GCC 3.1 on i686-pc-linux-gnu when I compile with
	# optimization.
	gdb_test_multiple "list" "list" {
	    -re ".*context = data.*$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 $" {
		set description "step over ttyarg initialization"
		set command "step"
	    }
	    -re ".*cmdarg_vec = NULL.*$gdb_prompt $" {
		set description "step over cmdarg_vec initialization"
		set command "step"
	    }
	    -re ".*pre_stat_chain = make_command_stats_cleanup.*$gdb_prompt $" {
		set description "next over make_command_stats_cleanup and everything it calls"
		set command "next"
	    }
	    -re ".*START_PROGRESS.*$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 $" {
		set description "next over conditional stack alignment alloca"
		set command "next"
	    }
	    -re ".*dirsize = 1.*$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 $" {
		set description "next over textdomain PACKAGE"
		set command "next"
	    }
	    -re ".*VEC_cleanup .cmdarg_s.*$gdb_prompt $" {
		set description "next over cmdarg_s VEC_cleanup"
		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 $" {
		set description "next over getcwd"
		set command "next"
	    }
	    -re ".*gdb_program_name = xstrdup.*$gdb_prompt $" {
                set description "next over xstrdup"
                set command "next"
            } 
            -re ".*quit_flag = 0.*$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 $description"
		return
	    }
	    default {
		fail "unknown source line near main"
		return
	    }
	}
	gdb_test_multiple "$command" "$description" {
	    -re ".*No such file or directory.\r\n$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"
	    }
	}
    }
}

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

    # 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_no_output "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"
    gdb_test_multiple "run $INTERNAL_GDBFLAGS" "$description" {
	-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
	}
    }

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

    # do we have a version number ?
    gdb_test_multiple "print version" "printed version" {
	-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"
	}
    }

    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"
    gdb_test_multiple "step" "$description" {
	-re "ncmd = 0;.*$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)"
	}
    }

    # start the "xgdb" process
    if [target_info exists gdb,noinferiorio] {
	# Maybe testing with a local extended-remote gdbserver.  With
	# no way to interact with inferior GDB, all we can do is let
	# it run.
	send_gdb "continue\n"
	# Wait a bit while the inferior gdb gets to its prompt.
	sleep 1
    } else {
	set test "xgdb is at prompt"
	gdb_test_multiple "continue" $test {
	    -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 $test
	    }
	}

	# set xgdb prompt so we can tell which is which
	gdb_test_multiple "set prompt (xgdb) " "Set xgdb_prompt" {
	    -re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" {
		pass "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"
    gdb_test "signal SIGINT" \
	"Continuing with signal SIGINT.*" \
	"$description"
    
    # 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"
    gdb_test_multiple "backtrace" "$description" {
	-re "#0.*(read|poll).*in main \\(.*\\) at .*gdb\\.c.*$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"
	}
    }


    # 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
0b302171 JB	1	# Copyright 1988, 1990-1992, 1994, 1997, 1999-2000, 2002-2012 Free
0b302171 JB	2	# 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)
adf40b2e JM	18
adf40b2e JM	19
adf40b2e JM	20	# are we on a target board
c1d88655	21	if { [is_remote target] \|\| ![isnative] } then {
adf40b2e JM	22	return
	23	}
	24
adf40b2e JM	25	# Not all of the lines of code near the start of main are executed for
	26	# every machine. Also, optimization may reorder some of the lines.
	27	# So all we do is try to step or next over everything until we get
	28	# to a line that we know is always executed.
	29
	30	proc do_steps_and_nexts {} {
	31	global gdb_prompt
	32	global srcdir
	33
	34	gdb_reinitialize_dir $srcdir/..
	35
2fa63963	36	set unlikely_line 0
48fe539f	37	for {set count 0} {$count < 32} {incr count} {
ee73db83 DC	38	# NOTE: carlton/2002-12-11: The "initial brace" and
	39	# "current_directory initialization" possibilities happen to
	40	# me with GCC 3.1 on i686-pc-linux-gnu when I compile with
	41	# optimization.
a127f7b4	42	gdb_test_multiple "list" "list" {
0d06e24b JM	43	-re ".context = data.$gdb_prompt $" {
	44	set description "step over context initialization"
	45	set command "step"
	46	}
	47	-re ".argc = context->argc.$gdb_prompt $" {
	48	set description "step over argc initialization"
	49	set command "step"
	50	}
	51	-re ".argv = context->argv.$gdb_prompt $" {
	52	set description "step over argv initialization"
	53	set command "step"
	54	}
	55	-re ".quiet = 0.$gdb_prompt $" {
	56	set description "step over quiet initialization"
	57	set command "step"
	58	}
	59	-re ".batch = 0.$gdb_prompt $" {
	60	set description "step over batch initialization"
	61	set command "step"
	62	}
adf40b2e JM	63	-re ".symarg = NULL.$gdb_prompt $" {
	64	set description "step over symarg initialization"
	65	set command "step"
	66	}
	67	-re ".execarg = NULL.$gdb_prompt $" {
	68	set description "step over execarg initialization"
	69	set command "step"
	70	}
5def8285 MK	71	-re ".pidarg = NULL.$gdb_prompt $" {
	72	set description "step over pidarg initialization"
	73	set command "step"
	74	}
adf40b2e JM	75	-re ".corearg = NULL.$gdb_prompt $" {
	76	set description "step over corearg initialization"
	77	set command "step"
	78	}
5def8285 MK	79	-re ".pid_or_core_arg = NULL.$gdb_prompt $" {
	80	set description "step over pid_or_core_arg initialization"
	81	set command "step"
	82	}
adf40b2e JM	83	-re ".cdarg = NULL.$gdb_prompt $" {
	84	set description "step over cdarg initialization"
	85	set command "step"
	86	}
	87	-re ".ttyarg = NULL.$gdb_prompt $" {
	88	set description "step over ttyarg initialization"
	89	set command "step"
	90	}
8320cc4f JK	91	-re ".cmdarg_vec = NULL.$gdb_prompt $" {
	92	set description "step over cmdarg_vec initialization"
	93	set command "step"
	94	}
0f3bb72e PH	95	-re ".pre_stat_chain = make_command_stats_cleanup.$gdb_prompt $" {
0f3bb72e PH	96	set description "next over make_command_stats_cleanup and everything it calls"
adf40b2e JM	97	set command "next"
	98	}
	99	-re ".START_PROGRESS.$gdb_prompt $" {
9d62932d EZ	100	# Note: ezannoni/2004/02/17: This check should be
	101	# removed, since as of today that source line is not
	102	# in gdb anymore.
adf40b2e JM	103	set description "next over START_PROGRESS and everything it calls"
	104	set command "next"
	105	}
	106	-re ".mac_init.$gdb_prompt $" {
	107	set description "next over mac_init and everything it calls"
	108	set command "next"
	109	}
c3297504 MC	110	-re ".init_malloc.$gdb_prompt $" {
	111	# gdb 6.2.X is the last gdb which called init_malloc
	112	set description "next over init_malloc and everything it calls"
	113	set command "next"
	114	}
6dd77b81 RH	115	-re ".lim_at_start.$gdb_prompt $" {
	116	set description "next over lim_at_start initialization"
	117	set command "next"
	118	}
adf40b2e JM	119	-re ".count . 0x3.$gdb_prompt $" {
	120	set description "next over conditional stack alignment code 1"
	121	set command "next"
	122	}
	123	-re ".if .i != 0.$gdb_prompt $" {
	124	set description "next over conditional stack alignment code 2"
	125	set command "next"
	126	}
	127	-re ".alloca .i - 4.$gdb_prompt $" {
	128	set description "next over conditional stack alignment alloca"
	129	set command "next"
	130	}
adf40b2e JM	131	-re ".dirsize = 1.$gdb_prompt $" {
	132	set description "next over dirsize initialization"
	133	set command "next"
	134	}
	135	-re ".dirarg = . xmalloc.*$gdb_prompt $" {
	136	return
	137	}
8cf8c2b8 AC	138	-re ".setlocale .LC_MESSAGES,.$gdb_prompt $" {
	139	set description "next over setlocale LC_MESSAGES"
	140	set command "next"
	141	}
	142	-re ".setlocale .LC_CTYPE,.$gdb_prompt $" {
	143	set description "next over setlocale LC_CTYPE"
	144	set command "next"
	145	}
	146	-re ".bindtextdomain .PACKAGE, LOCALEDIR.;.$gdb_prompt $" {
	147	set description "next over bindtextdomain"
	148	set command "next"
	149	}
	150	-re ".textdomain .PACKAGE.;.$gdb_prompt $" {
	151	set description "next over textdomain PACKAGE"
	152	set command "next"
	153	}
8320cc4f JK	154	-re ".VEC_cleanup .cmdarg_s.$gdb_prompt $" {
	155	set description "next over cmdarg_s VEC_cleanup"
	156	set command "next"
	157	}
b6db2c47	158	-re "\[0-9\]+\[\t \]+\{\r\n$gdb_prompt $" {
ee73db83 DC	159	set description "step over initial brace"
	160	set command "step"
	161	}
	162	-re ".current_directory = gdb_dirbuf.$gdb_prompt $" {
	163	set description "step over current_directory initialization"
	164	set command "step"
	165	}
a1769aca DC	166	-re ".gdb_sysroot = .$gdb_prompt $" {
	167	# NOTE: carlton/2003-01-15: More optimization reordering,
	168	# observed on GCC 3.1.
	169	set description "step over gdb_sysroot initialization"
	170	set command "step"
	171	}
180dea7c AS	172	-re ".ndir = 0.$gdb_prompt $" {
	173	set description "step over ndir initialization"
	174	set command "step"
	175	}
	176	-re ".instream = stdin.$gdb_prompt $" {
	177	set description "step over instream initialization"
	178	set command "step"
	179	}
96e25403	180	-re ".getcwd .gdb_dirbuf, sizeof .gdb_dirbuf.$gdb_prompt $" {
180dea7c AS	181	set description "next over getcwd"
	182	set command "next"
	183	}
96e25403 YQ	184	-re ".gdb_program_name = xstrdup.$gdb_prompt $" {
	185	set description "next over xstrdup"
	186	set command "next"
	187	}
	188	-re ".quit_flag = 0.$gdb_prompt $" {
6d9c3a87 AS	189	set description "step over quit_flag initialization"
	190	set command "step"
	191	}
	192	-re ".gdb_stdout = stdio_fileopen .stdout.;.$gdb_prompt $" {
	193	set description "step over gdb_stdout initialization"
	194	set command "step"
	195	}
	196	-re ".gdb_stderr = stdio_fileopen .stderr.;.$gdb_prompt $" {
	197	set description "step over gdb_stderr initialization"
	198	set command "step"
	199	}
adf40b2e JM	200	-re ".main.c.No such file or directory.*$gdb_prompt $" {
	201	setup_xfail "rs6000--aix3"
	202	fail "must be able to list source lines"
	203	return
	204	}
2fa63963 DJ	205	-re ".interpreter_p = xstrdup.$gdb_prompt $" {
	206	if { $unlikely_line == 0 } {
	207	# This is a GCC optimization bug; a constant has been
	208	# associated with the wrong line number.
	209	setup_xfail "--*" gcc/26475
	210	fail "$description (unlikely line from gcc)"
	211	set unlikely_line 1
	212	}
	213	set description "next over xstrdup"
	214	set command "next"
	215	}
adf40b2e JM	216	-re ".*$gdb_prompt $" {
	217	fail "unknown source line after $description"
	218	return
	219	}
	220	default {
	221	fail "unknown source line near main"
	222	return
	223	}
	224	}
a127f7b4	225	gdb_test_multiple "$command" "$description" {
adf40b2e JM	226	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	227	fail "$description (no source available)"
	228	}
	229	-re ".A file or directory . does not exist..\r\n$gdb_prompt $" {
	230	fail "$description (no source available)"
	231	}
	232	-re ".*$gdb_prompt $" {
	233	pass "$description"
	234	}
adf40b2e JM	235	}
	236	}
	237	}
	238
	239	proc test_with_self { executable } {
	240	global gdb_prompt
	241	global tool
	242	global det_file
	243	global decimal
	244	global timeout
b4ca5ed9	245	global INTERNAL_GDBFLAGS
adf40b2e JM	246
	247	# load yourself into the debugger
	248	# This can take a relatively long time, particularly for testing where
	249	# the executable is being accessed over a network, or where gdb does not
	250	# support partial symbols for a particular target and has to load the
	251	# entire symbol table. Set the timeout to 10 minutes, which should be
	252	# adequate for most environments (it has timed out with 5 min on a
	253	# SPARCstation SLC under moderate load, so this isn't unreasonable).
	254	# After gdb is started, set the timeout to 30 seconds for the duration
	255	# of this test, and then back to the original value.
	256
	257	set oldtimeout $timeout
	258	set timeout 600
	259	verbose "Timeout is now $timeout seconds" 2
3e3ffd2b	260
2db8e78e MC	261	global gdb_file_cmd_debug_info
	262	set gdb_file_cmd_debug_info "unset"
	263
3e3ffd2b	264	set result [gdb_load $executable]
adf40b2e JM	265	set timeout $oldtimeout
	266	verbose "Timeout is now $timeout seconds" 2
	267
2db8e78e MC	268	if { $result != 0 } then {
	269	return -1
	270	}
	271
	272	if { $gdb_file_cmd_debug_info != "debug" } then {
	273	untested "No debug information, skipping testcase."
3e3ffd2b MC	274	return -1
	275	}
	276
adf40b2e JM	277	# disassemble yourself
	278	gdb_test "x/10i main" \
	279	"x/10i.main.main.$decimal.main.$decimal." \
	280	"Disassemble main"
	281
	282	# Set a breakpoint at main
0d06e24b	283	gdb_test "break captured_main" \
adf40b2e	284	"Breakpoint.at. file., line." \
0d06e24b	285	"breakpoint in captured_main"
adf40b2e JM	286
	287	# We'll need this when we send a ^C to GDB. Need to do it before we
	288	# run the program and gdb starts saving and restoring tty states.
	289	# On Ultrix, we don't need it and it is really slow (because shell_escape
	290	# doesn't use vfork).
	291	if ![istarget "--ultrix*"] then {
f6978de9	292	gdb_test "shell stty intr '^C'" ".*" \
adf40b2e JM	293	"set interrupt character in test_with_self"
	294	}
	295
	296	# FIXME: If we put this after the run to main, the first list
	297	# command doesn't print the same line as the current line where
	298	# gdb is stopped.
019ebafc	299	gdb_test_no_output "set listsize 1" "set listsize to 1"
adf40b2e JM	300
	301	# run yourself
	302	# It may take a very long time for the inferior gdb to start (lynx),
	303	# so we bump it back up for the duration of this command.
	304	set timeout 600
	305
0d06e24b	306	set description "run until breakpoint at captured_main"
b4ca5ed9	307	gdb_test_multiple "run $INTERNAL_GDBFLAGS" "$description" {
0d06e24b	308	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.* at .main.c:.$gdb_prompt $" {
adf40b2e JM	309	pass "$description"
adf40b2e JM	310	}
0d06e24b	311	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.*$gdb_prompt $" {
adf40b2e JM	312	xfail "$description (line numbers scrambled?)"
	313	}
	314	-re "vfork: No more processes.*$gdb_prompt $" {
	315	fail "$description (out of virtual memory)"
	316	set timeout $oldtimeout
	317	verbose "Timeout is now $timeout seconds" 2
	318	return -1
	319	}
	320	-re ".*$gdb_prompt $" {
	321	fail "$description"
	322	set timeout $oldtimeout
	323	verbose "Timeout is now $timeout seconds" 2
	324	return -1
	325	}
adf40b2e JM	326	}
	327
	328	set timeout $oldtimeout
	329	verbose "Timeout is now $timeout seconds" 2
	330
	331	# do we have a version number ?
a127f7b4	332	gdb_test_multiple "print version" "printed version" {
d4f3574e SS	333	-re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
	334	pass "printed version as string"
	335	}
adf40b2e	336	-re ".\[0-9\]+ = +0x.\[0-9.\]+.$gdb_prompt $" {
d4f3574e	337	pass "printed version as pointer"
adf40b2e JM	338	}
	339	-re ".\[0-9\]+ = +.+ +0x.\[0-9.\]+.$gdb_prompt $" {
	340	pass "printed version with cast"
	341	}
adf40b2e JM	342	}
	343
	344	do_steps_and_nexts
	345
	346	gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
	347
	348	# do_steps_and_nexts left us ready to execute an xmalloc call,
	349	# so give that a try.
	350	# If we don't actually enter the xmalloc call when we give a
	351	# step command that seems like a genuine bug. It seems to happen
	352	# on most RISC processors.
48fe539f DJ	353	# NOTE drow/2003-06-22: However, if we step back to the preceding two
	354	# lines, just keep stepping until we enter.
	355	set stepped_back 0
adf40b2e JM	356	setup_xfail "alpha--" "mips--"
adf40b2e JM	357	set description "step into xmalloc call"
a127f7b4	358	gdb_test_multiple "step" "$description" {
48fe539f DJ	359	-re "ncmd = 0;.*$gdb_prompt $" {
	360	set stepped_back 1
	361	send_gdb "step\n"
	362	exp_continue
	363	}
274bcba0 EZ	364	-re ".cmdarg = . xmalloc.*$gdb_prompt $" {
	365	set stepped_back 1
	366	send_gdb "step\n"
	367	exp_continue
	368	}
48fe539f DJ	369	-re "dirsize = 1;.*$gdb_prompt $" {
	370	set stepped_back 1
	371	send_gdb "step\n"
	372	exp_continue
	373	}
	374	-re ".dirarg = . xmalloc.*$gdb_prompt $" {
	375	if { $stepped_back == 1 } {
	376	send_gdb "step\n"
	377	exp_continue
	378	} else {
	379	fail "$description"
	380	}
	381	}
adf40b2e JM	382	-re "xmalloc.size=.at.utils.c.$gdb_prompt $" {
	383	pass "$description"
	384	}
	385	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	386	pass "$description (no source available)"
	387	}
	388	-re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
	389	pass "$description (no source available)"
	390	}
adf40b2e JM	391	}
	392
	393	# start the "xgdb" process
c0b9f2c6 PA	394	if [target_info exists gdb,noinferiorio] {
	395	# Maybe testing with a local extended-remote gdbserver. With
	396	# no way to interact with inferior GDB, all we can do is let
	397	# it run.
	398	send_gdb "continue\n"
	399	# Wait a bit while the inferior gdb gets to its prompt.
	400	sleep 1
	401	} else {
	402	set test "xgdb is at prompt"
	403	gdb_test_multiple "continue" $test {
	404	-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 $" {
	405	pass $test
	406	}
a127f7b4	407	}
c0b9f2c6 PA	408
	409	# set xgdb prompt so we can tell which is which
	410	gdb_test_multiple "set prompt (xgdb) " "Set xgdb_prompt" {
	411	-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" {
	412	pass "Set xgdb prompt"
	413	}
a127f7b4	414	}
adf40b2e	415	}
c0b9f2c6	416
adf40b2e JM	417	# kill the xgdb process
	418	set description "send ^C to child process"
	419	send_gdb "\003"
	420	gdb_expect {
	421	-re "Program received signal SIGINT.*$gdb_prompt $" {
	422	pass "$description"
	423	}
	424	-re ".*$gdb_prompt $" {
	425	fail "$description"
	426	}
	427	timeout {
	428	fail "$description (timeout)"
	429	}
	430	}
	431
	432	set description "send SIGINT signal to child process"
a127f7b4 MS	433	gdb_test "signal SIGINT" \
	434	"Continuing with signal SIGINT.*" \
	435	"$description"
adf40b2e JM	436
	437	# get a stack trace
	438	#
	439	# This fails on some linux systems for unknown reasons. On the
	440	# systems where it fails, sometimes it works fine when run manually.
	441	# The testsuite failures may not be limited to just aout systems.
634d57ec	442	setup_xfail "i*86-pc-linuxaout-gnu"
adf40b2e	443	set description "backtrace through signal handler"
a127f7b4	444	gdb_test_multiple "backtrace" "$description" {
92806416	445	-re "#0.(read\|poll).in main \\(.\\) at .gdb\\.c.*$gdb_prompt $" {
adf40b2e JM	446	pass "$description"
	447	}
	448	-re ".*$gdb_prompt $" {
	449	# On the alpha, we hit the infamous problem about gdb
	450	# being unable to get the frame pointer (mentioned in
	451	# gdb/README). As it is intermittent, there is no way to
	452	# XFAIL it which will give us an XPASS if the problem goes
	453	# away.
	454	setup_xfail "alpha--osf*"
	455	fail "$description"
	456	}
adf40b2e JM	457	}
	458
	459
	460	# Set the timeout back to the value it had when we were called.
	461	set timeout $oldtimeout
	462	verbose "Timeout is now $timeout seconds" 2
	463
	464	# Restart gdb in case next test expects it to be started already.
	465	return 0
	466	}
	467
	468	# Find a pathname to a file that we would execute if the shell was asked
	469	# to run $arg using the current PATH.
	470
	471	proc find_gdb { arg } {
	472
	473	# If the arg directly specifies an existing executable file, then
	474	# simply use it.
	475
	476	if [file executable $arg] then {
	477	return $arg
	478	}
	479
	480	set result [which $arg]
	481	if [string match "/" [ string range $result 0 0 ]] then {
	482	return $result
	483	}
	484
	485	# If everything fails, just return the unqualified pathname as default
	486	# and hope for best.
	487
	488	return $arg
	489	}
	490
	491	# Run the test with self.
	492	# Copy the file executable file in case this OS doesn't like to edit its own
	493	# text space.
	494
	495	set GDB_FULLPATH [find_gdb $GDB]
	496
	497	# Remove any old copy lying around.
	498	remote_file host delete x$tool
	499
	500	gdb_start
	501	set file [remote_download host $GDB_FULLPATH x$tool]
	502	set result [test_with_self $file];
	503	gdb_exit;
	504	catch "remote_file host delete $file";
	505
	506	if {$result <0} then {
	507	warning "Couldn't test self"
	508	return -1
	509	}