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

# Copyright 1988-2014 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)

load_lib selftest-support.exp

# 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 $" {
		set description "next over textdomain PACKAGE"
		set command "next"
	    }
	    -re ".*bfd_init ..;.*$gdb_prompt $" {
		set description "next over bfd_init"
		set command "next"
	    }
	    -re ".*notice_open_fds ..;.*$gdb_prompt $" {
		set description "next over notice_open_fds"
		set command "next"
	    }
	    -re ".*VEC_cleanup .cmdarg_s.*$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
}

# 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]

if {[is_remote host]} {
    set xgdb x$tool
} else {
    set xgdb [standard_output_file x$tool]
}

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

gdb_start
set file [remote_download host $GDB_FULLPATH $xgdb]
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
ecd75fc8	1	# Copyright 1988-2014 Free Software Foundation, Inc.
adf40b2e JM	2
	3	# This program is free software; you can redistribute it and/or modify
	4	# it under the terms of the GNU General Public License as published by
e22f8b7c	5	# the Free Software Foundation; either version 3 of the License, or
adf40b2e	6	# (at your option) any later version.
e22f8b7c	7	#
adf40b2e JM	8	# This program is distributed in the hope that it will be useful,
	9	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	# GNU General Public License for more details.
e22f8b7c	12	#
adf40b2e	13	# You should have received a copy of the GNU General Public License
e22f8b7c	14	# along with this program. If not, see <http://www.gnu.org/licenses/>.
adf40b2e	15
adf40b2e JM	16	# This file was written by Rob Savoye. (rob@cygnus.com)
adf40b2e JM	17
c95aea6b	18	load_lib selftest-support.exp
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 $" {
	151	set description "next over textdomain PACKAGE"
	152	set command "next"
	153	}
ea3aedcb TT	154	-re ".bfd_init ..;.$gdb_prompt $" {
	155	set description "next over bfd_init"
	156	set command "next"
	157	}
0f3305ed TT	158	-re ".notice_open_fds ..;.$gdb_prompt $" {
	159	set description "next over notice_open_fds"
	160	set command "next"
	161	}
8320cc4f JK	162	-re ".VEC_cleanup .cmdarg_s.$gdb_prompt $" {
	163	set description "next over cmdarg_s VEC_cleanup"
	164	set command "next"
	165	}
b6db2c47	166	-re "\[0-9\]+\[\t \]+\{\r\n$gdb_prompt $" {
ee73db83 DC	167	set description "step over initial brace"
	168	set command "step"
	169	}
	170	-re ".current_directory = gdb_dirbuf.$gdb_prompt $" {
	171	set description "step over current_directory initialization"
	172	set command "step"
	173	}
a1769aca DC	174	-re ".gdb_sysroot = .$gdb_prompt $" {
	175	# NOTE: carlton/2003-01-15: More optimization reordering,
	176	# observed on GCC 3.1.
	177	set description "step over gdb_sysroot initialization"
	178	set command "step"
	179	}
180dea7c AS	180	-re ".ndir = 0.$gdb_prompt $" {
	181	set description "step over ndir initialization"
	182	set command "step"
	183	}
	184	-re ".instream = stdin.$gdb_prompt $" {
	185	set description "step over instream initialization"
	186	set command "step"
	187	}
96e25403	188	-re ".getcwd .gdb_dirbuf, sizeof .gdb_dirbuf.$gdb_prompt $" {
180dea7c AS	189	set description "next over getcwd"
	190	set command "next"
	191	}
96e25403 YQ	192	-re ".gdb_program_name = xstrdup.$gdb_prompt $" {
	193	set description "next over xstrdup"
	194	set command "next"
	195	}
	196	-re ".quit_flag = 0.$gdb_prompt $" {
6d9c3a87 AS	197	set description "step over quit_flag initialization"
	198	set command "step"
	199	}
	200	-re ".gdb_stdout = stdio_fileopen .stdout.;.$gdb_prompt $" {
	201	set description "step over gdb_stdout initialization"
	202	set command "step"
	203	}
	204	-re ".gdb_stderr = stdio_fileopen .stderr.;.$gdb_prompt $" {
	205	set description "step over gdb_stderr initialization"
	206	set command "step"
	207	}
adf40b2e JM	208	-re ".main.c.No such file or directory.*$gdb_prompt $" {
	209	setup_xfail "rs6000--aix3"
	210	fail "must be able to list source lines"
	211	return
	212	}
2fa63963 DJ	213	-re ".interpreter_p = xstrdup.$gdb_prompt $" {
	214	if { $unlikely_line == 0 } {
	215	# This is a GCC optimization bug; a constant has been
	216	# associated with the wrong line number.
	217	setup_xfail "--*" gcc/26475
	218	fail "$description (unlikely line from gcc)"
	219	set unlikely_line 1
	220	}
	221	set description "next over xstrdup"
	222	set command "next"
	223	}
adf40b2e JM	224	-re ".*$gdb_prompt $" {
	225	fail "unknown source line after $description"
	226	return
	227	}
	228	default {
	229	fail "unknown source line near main"
	230	return
	231	}
	232	}
a127f7b4	233	gdb_test_multiple "$command" "$description" {
adf40b2e JM	234	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	235	fail "$description (no source available)"
	236	}
	237	-re ".A file or directory . does not exist..\r\n$gdb_prompt $" {
	238	fail "$description (no source available)"
	239	}
	240	-re ".*$gdb_prompt $" {
	241	pass "$description"
	242	}
adf40b2e JM	243	}
	244	}
	245	}
	246
	247	proc test_with_self { executable } {
	248	global gdb_prompt
	249	global tool
	250	global det_file
	251	global decimal
	252	global timeout
b4ca5ed9	253	global INTERNAL_GDBFLAGS
adf40b2e JM	254
	255	# load yourself into the debugger
	256	# This can take a relatively long time, particularly for testing where
	257	# the executable is being accessed over a network, or where gdb does not
	258	# support partial symbols for a particular target and has to load the
	259	# entire symbol table. Set the timeout to 10 minutes, which should be
	260	# adequate for most environments (it has timed out with 5 min on a
	261	# SPARCstation SLC under moderate load, so this isn't unreasonable).
	262	# After gdb is started, set the timeout to 30 seconds for the duration
	263	# of this test, and then back to the original value.
	264
	265	set oldtimeout $timeout
	266	set timeout 600
	267	verbose "Timeout is now $timeout seconds" 2
3e3ffd2b	268
2db8e78e MC	269	global gdb_file_cmd_debug_info
	270	set gdb_file_cmd_debug_info "unset"
	271
3e3ffd2b	272	set result [gdb_load $executable]
adf40b2e JM	273	set timeout $oldtimeout
	274	verbose "Timeout is now $timeout seconds" 2
	275
2db8e78e MC	276	if { $result != 0 } then {
	277	return -1
	278	}
	279
	280	if { $gdb_file_cmd_debug_info != "debug" } then {
	281	untested "No debug information, skipping testcase."
3e3ffd2b MC	282	return -1
	283	}
	284
adf40b2e JM	285	# disassemble yourself
	286	gdb_test "x/10i main" \
	287	"x/10i.main.main.$decimal.main.$decimal." \
	288	"Disassemble main"
	289
	290	# Set a breakpoint at main
0d06e24b	291	gdb_test "break captured_main" \
adf40b2e	292	"Breakpoint.at. file., line." \
0d06e24b	293	"breakpoint in captured_main"
adf40b2e JM	294
	295	# We'll need this when we send a ^C to GDB. Need to do it before we
	296	# run the program and gdb starts saving and restoring tty states.
	297	# On Ultrix, we don't need it and it is really slow (because shell_escape
	298	# doesn't use vfork).
	299	if ![istarget "--ultrix*"] then {
f6978de9	300	gdb_test "shell stty intr '^C'" ".*" \
adf40b2e JM	301	"set interrupt character in test_with_self"
	302	}
	303
	304	# FIXME: If we put this after the run to main, the first list
	305	# command doesn't print the same line as the current line where
	306	# gdb is stopped.
019ebafc	307	gdb_test_no_output "set listsize 1" "set listsize to 1"
adf40b2e JM	308
	309	# run yourself
	310	# It may take a very long time for the inferior gdb to start (lynx),
	311	# so we bump it back up for the duration of this command.
	312	set timeout 600
	313
0d06e24b	314	set description "run until breakpoint at captured_main"
b4ca5ed9	315	gdb_test_multiple "run $INTERNAL_GDBFLAGS" "$description" {
0d06e24b	316	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.* at .main.c:.$gdb_prompt $" {
adf40b2e JM	317	pass "$description"
adf40b2e JM	318	}
0d06e24b	319	-re "Starting program.Breakpoint \[0-9\]+,.captured_main .data.*$gdb_prompt $" {
adf40b2e JM	320	xfail "$description (line numbers scrambled?)"
	321	}
	322	-re "vfork: No more processes.*$gdb_prompt $" {
	323	fail "$description (out of virtual memory)"
	324	set timeout $oldtimeout
	325	verbose "Timeout is now $timeout seconds" 2
	326	return -1
	327	}
	328	-re ".*$gdb_prompt $" {
	329	fail "$description"
	330	set timeout $oldtimeout
	331	verbose "Timeout is now $timeout seconds" 2
	332	return -1
	333	}
adf40b2e JM	334	}
	335
	336	set timeout $oldtimeout
	337	verbose "Timeout is now $timeout seconds" 2
	338
	339	# do we have a version number ?
a127f7b4	340	gdb_test_multiple "print version" "printed version" {
d4f3574e SS	341	-re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
	342	pass "printed version as string"
	343	}
adf40b2e	344	-re ".\[0-9\]+ = +0x.\[0-9.\]+.$gdb_prompt $" {
d4f3574e	345	pass "printed version as pointer"
adf40b2e JM	346	}
	347	-re ".\[0-9\]+ = +.+ +0x.\[0-9.\]+.$gdb_prompt $" {
	348	pass "printed version with cast"
	349	}
adf40b2e JM	350	}
	351
	352	do_steps_and_nexts
	353
	354	gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
	355
	356	# do_steps_and_nexts left us ready to execute an xmalloc call,
	357	# so give that a try.
	358	# If we don't actually enter the xmalloc call when we give a
	359	# step command that seems like a genuine bug. It seems to happen
	360	# on most RISC processors.
48fe539f DJ	361	# NOTE drow/2003-06-22: However, if we step back to the preceding two
	362	# lines, just keep stepping until we enter.
	363	set stepped_back 0
adf40b2e JM	364	setup_xfail "alpha--" "mips--"
adf40b2e JM	365	set description "step into xmalloc call"
a127f7b4	366	gdb_test_multiple "step" "$description" {
48fe539f DJ	367	-re "ncmd = 0;.*$gdb_prompt $" {
	368	set stepped_back 1
	369	send_gdb "step\n"
	370	exp_continue
	371	}
274bcba0 EZ	372	-re ".cmdarg = . xmalloc.*$gdb_prompt $" {
	373	set stepped_back 1
	374	send_gdb "step\n"
	375	exp_continue
	376	}
48fe539f DJ	377	-re "dirsize = 1;.*$gdb_prompt $" {
	378	set stepped_back 1
	379	send_gdb "step\n"
	380	exp_continue
	381	}
	382	-re ".dirarg = . xmalloc.*$gdb_prompt $" {
	383	if { $stepped_back == 1 } {
	384	send_gdb "step\n"
	385	exp_continue
	386	} else {
	387	fail "$description"
	388	}
	389	}
adf40b2e JM	390	-re "xmalloc.size=.at.utils.c.$gdb_prompt $" {
	391	pass "$description"
	392	}
	393	-re ".*No such file or directory.\r\n$gdb_prompt $" {
	394	pass "$description (no source available)"
	395	}
	396	-re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
	397	pass "$description (no source available)"
	398	}
adf40b2e JM	399	}
	400
	401	# start the "xgdb" process
c0b9f2c6 PA	402	if [target_info exists gdb,noinferiorio] {
	403	# Maybe testing with a local extended-remote gdbserver. With
	404	# no way to interact with inferior GDB, all we can do is let
	405	# it run.
	406	send_gdb "continue\n"
	407	# Wait a bit while the inferior gdb gets to its prompt.
	408	sleep 1
	409	} else {
	410	set test "xgdb is at prompt"
	411	gdb_test_multiple "continue" $test {
	412	-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 $" {
	413	pass $test
	414	}
a127f7b4	415	}
c0b9f2c6 PA	416
	417	# set xgdb prompt so we can tell which is which
	418	gdb_test_multiple "set prompt (xgdb) " "Set xgdb_prompt" {
	419	-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" {
	420	pass "Set xgdb prompt"
	421	}
a127f7b4	422	}
adf40b2e	423	}
c0b9f2c6	424
adf40b2e JM	425	# kill the xgdb process
	426	set description "send ^C to child process"
	427	send_gdb "\003"
	428	gdb_expect {
	429	-re "Program received signal SIGINT.*$gdb_prompt $" {
	430	pass "$description"
	431	}
	432	-re ".*$gdb_prompt $" {
	433	fail "$description"
	434	}
	435	timeout {
	436	fail "$description (timeout)"
	437	}
	438	}
	439
	440	set description "send SIGINT signal to child process"
a127f7b4 MS	441	gdb_test "signal SIGINT" \
	442	"Continuing with signal SIGINT.*" \
	443	"$description"
adf40b2e JM	444
	445	# get a stack trace
	446	#
	447	# This fails on some linux systems for unknown reasons. On the
	448	# systems where it fails, sometimes it works fine when run manually.
	449	# The testsuite failures may not be limited to just aout systems.
634d57ec	450	setup_xfail "i*86-pc-linuxaout-gnu"
adf40b2e	451	set description "backtrace through signal handler"
a127f7b4	452	gdb_test_multiple "backtrace" "$description" {
92806416	453	-re "#0.(read\|poll).in main \\(.\\) at .gdb\\.c.*$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	}
adf40b2e JM	465	}
	466
	467
	468	# Set the timeout back to the value it had when we were called.
	469	set timeout $oldtimeout
	470	verbose "Timeout is now $timeout seconds" 2
	471
	472	# Restart gdb in case next test expects it to be started already.
	473	return 0
	474	}
	475
adf40b2e JM	476	# Run the test with self.
	477	# Copy the file executable file in case this OS doesn't like to edit its own
	478	# text space.
	479
	480	set GDB_FULLPATH [find_gdb $GDB]
	481
bdfe0594 TT	482	if {[is_remote host]} {
	483	set xgdb x$tool
	484	} else {
	485	set xgdb [standard_output_file x$tool]
	486	}
	487
adf40b2e	488	# Remove any old copy lying around.
bdfe0594	489	remote_file host delete $xgdb
adf40b2e JM	490
adf40b2e JM	491	gdb_start
bdfe0594	492	set file [remote_download host $GDB_FULLPATH $xgdb]
4ec70201 PA	493	set result [test_with_self $file]
	494	gdb_exit
	495	catch "remote_file host delete $file"
adf40b2e JM	496
	497	if {$result <0} then {
	498	warning "Couldn't test self"
	499	return -1
	500	}