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markom |
# Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000
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# Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Rob Savoye. (rob@cygnus.com)
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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# are we on a target board
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if [is_remote target] {
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return
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}
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if [istarget "m68k*-*-hpux*"] then {
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# The top-level makefile passes CFLAGS= (no -g) for hp300. This probably
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# should be fixed (it is only needed for gcc bootstrapping, not gdb),
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# but until then.....
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setup_xfail "*-*-*"
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fail "cannot test self if compiled without debug info"
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return -1
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}
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# Not all of the lines of code near the start of main are executed for
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# every machine. Also, optimization may reorder some of the lines.
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# So all we do is try to step or next over everything until we get
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# to a line that we know is always executed.
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proc do_steps_and_nexts {} {
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global gdb_prompt
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global srcdir
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gdb_reinitialize_dir $srcdir/..
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for {set count 0} {$count < 22} {incr count} {
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send_gdb "list\n"
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gdb_expect {
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-re ".*context = data.*$gdb_prompt $" {
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set description "step over context initialization"
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set command "step"
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}
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-re ".*argc = context->argc.*$gdb_prompt $" {
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set description "step over argc initialization"
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set command "step"
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}
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-re ".*argv = context->argv.*$gdb_prompt $" {
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set description "step over argv initialization"
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set command "step"
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}
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-re ".*quiet = 0.*$gdb_prompt $" {
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set description "step over quiet initialization"
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set command "step"
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}
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-re ".*batch = 0.*$gdb_prompt $" {
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set description "step over batch initialization"
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set command "step"
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}
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-re ".*symarg = NULL.*$gdb_prompt $" {
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set description "step over symarg initialization"
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set command "step"
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}
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-re ".*execarg = NULL.*$gdb_prompt $" {
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set description "step over execarg initialization"
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set command "step"
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}
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-re ".*corearg = NULL.*$gdb_prompt $" {
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set description "step over corearg initialization"
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set command "step"
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}
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-re ".*cdarg = NULL.*$gdb_prompt $" {
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set description "step over cdarg initialization"
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set command "step"
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}
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-re ".*ttyarg = NULL.*$gdb_prompt $" {
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set description "step over ttyarg initialization"
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set command "step"
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}
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-re ".*time_at_startup = get_run_time.*$gdb_prompt $" {
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set description "next over get_run_time and everything it calls"
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set command "next"
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}
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-re ".*START_PROGRESS.*$gdb_prompt $" {
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set description "next over START_PROGRESS and everything it calls"
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set command "next"
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}
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-re ".*mac_init.*$gdb_prompt $" {
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set description "next over mac_init and everything it calls"
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set command "next"
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}
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-re ".*init_malloc.*$gdb_prompt $" {
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set description "next over init_malloc and everything it calls"
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set command "next"
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}
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-re ".*count . 0x3.*$gdb_prompt $" {
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set description "next over conditional stack alignment code 1"
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set command "next"
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}
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-re ".*if .i != 0.*$gdb_prompt $" {
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set description "next over conditional stack alignment code 2"
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set command "next"
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}
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-re ".*alloca .i - 4.*$gdb_prompt $" {
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set description "next over conditional stack alignment alloca"
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set command "next"
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}
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-re ".*cmdsize = 1.*$gdb_prompt $" {
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set description "step over cmdsize initialization"
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set command "next"
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}
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-re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
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set description "next over cmdarg initialization via xmalloc"
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set command "next"
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}
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-re ".*ncmd = 0.*$gdb_prompt $" {
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set description "next over ncmd initialization"
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set command "next"
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}
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-re ".*dirsize = 1.*$gdb_prompt $" {
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set description "next over dirsize initialization"
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set command "next"
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}
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-re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
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return
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}
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-re "\[ \t\]+\{\r\n$gdb_prompt $" {
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setup_xfail "mips-*-irix5*"
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fail "$description ended up at odd location"
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}
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-re ".*main.c.*No such file or directory.*$gdb_prompt $" {
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setup_xfail "rs6000-*-aix3*"
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fail "must be able to list source lines"
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return
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}
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-re ".*$gdb_prompt $" {
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fail "unknown source line after $description"
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return
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}
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default {
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fail "unknown source line near main"
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return
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}
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}
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send_gdb "$command\n"
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gdb_expect {
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-re ".*No such file or directory.\r\n$gdb_prompt $" {
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fail "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$gdb_prompt $" {
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fail "$description (no source available)"
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}
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-re ".*$gdb_prompt $" {
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pass "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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}
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}
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proc test_with_self { executable } {
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global gdb_prompt
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global tool
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global det_file
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global decimal
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global timeout
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# load yourself into the debugger
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# This can take a relatively long time, particularly for testing where
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# the executable is being accessed over a network, or where gdb does not
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# support partial symbols for a particular target and has to load the
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# entire symbol table. Set the timeout to 10 minutes, which should be
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# adequate for most environments (it *has* timed out with 5 min on a
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# SPARCstation SLC under moderate load, so this isn't unreasonable).
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# After gdb is started, set the timeout to 30 seconds for the duration
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# of this test, and then back to the original value.
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set oldtimeout $timeout
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set timeout 600
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verbose "Timeout is now $timeout seconds" 2
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if {[gdb_load $executable] <0} then {
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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return -1
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}
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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# disassemble yourself
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gdb_test "x/10i main" \
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"x/10i.*main.*main.$decimal.*main.$decimal.*" \
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"Disassemble main"
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# Set a breakpoint at main
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gdb_test "break captured_main" \
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"Breakpoint.*at.* file.*, line.*" \
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"breakpoint in captured_main"
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# We'll need this when we send a ^C to GDB. Need to do it before we
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# run the program and gdb starts saving and restoring tty states.
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# On Ultrix, we don't need it and it is really slow (because shell_escape
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# doesn't use vfork).
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if ![istarget "*-*-ultrix*"] then {
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gdb_test "shell stty intr '^C'" "" \
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"set interrupt character in test_with_self"
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}
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# FIXME: If we put this after the run to main, the first list
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# command doesn't print the same line as the current line where
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# gdb is stopped.
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gdb_test "set listsize 1" "" "set listsize to 1"
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# run yourself
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# It may take a very long time for the inferior gdb to start (lynx),
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# so we bump it back up for the duration of this command.
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set timeout 600
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| 238 |
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set description "run until breakpoint at captured_main"
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send_gdb "run -nw\n"
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gdb_expect {
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-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
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pass "$description"
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}
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| 244 |
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-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
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| 245 |
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xfail "$description (line numbers scrambled?)"
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}
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| 247 |
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-re "vfork: No more processes.*$gdb_prompt $" {
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fail "$description (out of virtual memory)"
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set timeout $oldtimeout
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| 250 |
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verbose "Timeout is now $timeout seconds" 2
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return -1
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}
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| 253 |
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-re ".*$gdb_prompt $" {
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| 254 |
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fail "$description"
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| 255 |
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set timeout $oldtimeout
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| 256 |
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verbose "Timeout is now $timeout seconds" 2
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| 257 |
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return -1
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| 258 |
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}
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| 259 |
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timeout {
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| 260 |
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fail "$description (timeout)"
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| 261 |
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}
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| 262 |
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}
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| 263 |
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| 264 |
|
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set timeout $oldtimeout
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| 265 |
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verbose "Timeout is now $timeout seconds" 2
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| 266 |
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| 267 |
|
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# do we have a version number ?
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| 268 |
|
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send_gdb "print version\n"
|
| 269 |
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gdb_expect {
|
| 270 |
|
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-re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
|
| 271 |
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pass "printed version as string"
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| 272 |
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}
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| 273 |
|
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-re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$gdb_prompt $" {
|
| 274 |
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pass "printed version as pointer"
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| 275 |
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}
|
| 276 |
|
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-re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$gdb_prompt $" {
|
| 277 |
|
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pass "printed version with cast"
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| 278 |
|
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}
|
| 279 |
|
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-re ".*$gdb_prompt $" { fail "printed version" }
|
| 280 |
|
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timeout { fail "(timeout) printed version" }
|
| 281 |
|
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}
|
| 282 |
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|
| 283 |
|
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do_steps_and_nexts
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| 284 |
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|
| 285 |
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gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
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| 286 |
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|
| 287 |
|
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# do_steps_and_nexts left us ready to execute an xmalloc call,
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| 288 |
|
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# so give that a try.
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| 289 |
|
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# If we don't actually enter the xmalloc call when we give a
|
| 290 |
|
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# step command that seems like a genuine bug. It seems to happen
|
| 291 |
|
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# on most RISC processors.
|
| 292 |
|
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setup_xfail "alpha-*-*" "mips-*-*"
|
| 293 |
|
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set description "step into xmalloc call"
|
| 294 |
|
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send_gdb "step\n"
|
| 295 |
|
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gdb_expect {
|
| 296 |
|
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-re "xmalloc.*size=.*at.*utils.c.*$gdb_prompt $" {
|
| 297 |
|
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pass "$description"
|
| 298 |
|
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}
|
| 299 |
|
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-re ".*No such file or directory.\r\n$gdb_prompt $" {
|
| 300 |
|
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pass "$description (no source available)"
|
| 301 |
|
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}
|
| 302 |
|
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-re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
|
| 303 |
|
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pass "$description (no source available)"
|
| 304 |
|
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}
|
| 305 |
|
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-re ".*$gdb_prompt $" {
|
| 306 |
|
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fail "$description"
|
| 307 |
|
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}
|
| 308 |
|
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timeout {
|
| 309 |
|
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fail "$description (timeout)"
|
| 310 |
|
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}
|
| 311 |
|
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}
|
| 312 |
|
|
|
| 313 |
|
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# start the "xgdb" process
|
| 314 |
|
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send_gdb "continue\n"
|
| 315 |
|
|
gdb_expect {
|
| 316 |
|
|
-re "GNU gdb \[0-9\.\]*.*
|
| 317 |
|
|
Copyright \[0-9\]* Free Software Foundation, Inc.*
|
| 318 |
|
|
GDB is free software, covered by the GNU General Public License, and you are.*
|
| 319 |
|
|
welcome to change it and/or distribute copies of it under certain conditions.*
|
| 320 |
|
|
Type \"show copying\" to see the conditions.*
|
| 321 |
|
|
There is absolutely no warranty for GDB. Type \"show warranty\" for details.*
|
| 322 |
|
|
This GDB was configured as .*$gdb_prompt $"\
|
| 323 |
|
|
{ pass "xgdb is at prompt" }
|
| 324 |
|
|
-re "GDB is free software and you are welcome to distribute copies of it.*
|
| 325 |
|
|
under certain conditions; type \"show copying\" to see the conditions..*
|
| 326 |
|
|
There is absolutely no warranty for GDB; type \"show warranty\" for details..*
|
| 327 |
|
|
GDB.*Copyright \[0-9\]+ Free Software Foundation, Inc..*$gdb_prompt $"\
|
| 328 |
|
|
{ pass "xgdb is at prompt (obsolescent gdb)" }
|
| 329 |
|
|
-re ".*$gdb_prompt $" { fail "xgdb is at prompt" }
|
| 330 |
|
|
timeout { fail "(timeout) xgdb is at prompt" }
|
| 331 |
|
|
}
|
| 332 |
|
|
|
| 333 |
|
|
# set xgdb prompt so we can tell which is which
|
| 334 |
|
|
send_gdb "set prompt (xgdb) \n"
|
| 335 |
|
|
gdb_expect {
|
| 336 |
|
|
-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" { pass "Set xgdb prompt" }
|
| 337 |
|
|
-re ".*$gdb_prompt $" { fail "Set xgdb prompt" }
|
| 338 |
|
|
default { fail "(timeout) Set xgdb prompt" }
|
| 339 |
|
|
}
|
| 340 |
|
|
|
| 341 |
|
|
# kill the xgdb process
|
| 342 |
|
|
set description "send ^C to child process"
|
| 343 |
|
|
send_gdb "\003"
|
| 344 |
|
|
gdb_expect {
|
| 345 |
|
|
-re "Program received signal SIGINT.*$gdb_prompt $" {
|
| 346 |
|
|
pass "$description"
|
| 347 |
|
|
}
|
| 348 |
|
|
-re ".*$gdb_prompt $" {
|
| 349 |
|
|
fail "$description"
|
| 350 |
|
|
}
|
| 351 |
|
|
timeout {
|
| 352 |
|
|
fail "$description (timeout)"
|
| 353 |
|
|
}
|
| 354 |
|
|
}
|
| 355 |
|
|
|
| 356 |
|
|
set description "send SIGINT signal to child process"
|
| 357 |
|
|
send_gdb "signal SIGINT\n"
|
| 358 |
|
|
gdb_expect {
|
| 359 |
|
|
-re "Continuing with signal SIGINT.*$gdb_prompt $" {
|
| 360 |
|
|
pass "$description"
|
| 361 |
|
|
}
|
| 362 |
|
|
-re ".*$gdb_prompt $" {
|
| 363 |
|
|
fail "$description"
|
| 364 |
|
|
}
|
| 365 |
|
|
timeout {
|
| 366 |
|
|
fail "$description (timeout)"
|
| 367 |
|
|
}
|
| 368 |
|
|
}
|
| 369 |
|
|
|
| 370 |
|
|
# get a stack trace
|
| 371 |
|
|
#
|
| 372 |
|
|
# This fails on some linux systems for unknown reasons. On the
|
| 373 |
|
|
# systems where it fails, sometimes it works fine when run manually.
|
| 374 |
|
|
# The testsuite failures may not be limited to just aout systems.
|
| 375 |
|
|
setup_xfail "i*86-pc-linuxaout-gnu" "hppa*-*-hpux*"
|
| 376 |
|
|
set description "backtrace through signal handler"
|
| 377 |
|
|
send_gdb "backtrace\n"
|
| 378 |
|
|
gdb_expect {
|
| 379 |
|
|
-re "#0.*read.*in main \\(.*\\) at .*main\\.c.*$gdb_prompt $" {
|
| 380 |
|
|
pass "$description"
|
| 381 |
|
|
}
|
| 382 |
|
|
-re ".*$gdb_prompt $" {
|
| 383 |
|
|
# On the alpha, we hit the infamous problem about gdb
|
| 384 |
|
|
# being unable to get the frame pointer (mentioned in
|
| 385 |
|
|
# gdb/README). As it is intermittent, there is no way to
|
| 386 |
|
|
# XFAIL it which will give us an XPASS if the problem goes
|
| 387 |
|
|
# away.
|
| 388 |
|
|
setup_xfail "alpha*-*-osf*"
|
| 389 |
|
|
fail "$description"
|
| 390 |
|
|
}
|
| 391 |
|
|
timeout {
|
| 392 |
|
|
fail "$description (timeout)"
|
| 393 |
|
|
}
|
| 394 |
|
|
}
|
| 395 |
|
|
|
| 396 |
|
|
|
| 397 |
|
|
# Set the timeout back to the value it had when we were called.
|
| 398 |
|
|
set timeout $oldtimeout
|
| 399 |
|
|
verbose "Timeout is now $timeout seconds" 2
|
| 400 |
|
|
|
| 401 |
|
|
# Restart gdb in case next test expects it to be started already.
|
| 402 |
|
|
return 0
|
| 403 |
|
|
}
|
| 404 |
|
|
|
| 405 |
|
|
# Find a pathname to a file that we would execute if the shell was asked
|
| 406 |
|
|
# to run $arg using the current PATH.
|
| 407 |
|
|
|
| 408 |
|
|
proc find_gdb { arg } {
|
| 409 |
|
|
|
| 410 |
|
|
# If the arg directly specifies an existing executable file, then
|
| 411 |
|
|
# simply use it.
|
| 412 |
|
|
|
| 413 |
|
|
if [file executable $arg] then {
|
| 414 |
|
|
return $arg
|
| 415 |
|
|
}
|
| 416 |
|
|
|
| 417 |
|
|
set result [which $arg]
|
| 418 |
|
|
if [string match "/" [ string range $result 0 0 ]] then {
|
| 419 |
|
|
return $result
|
| 420 |
|
|
}
|
| 421 |
|
|
|
| 422 |
|
|
# If everything fails, just return the unqualified pathname as default
|
| 423 |
|
|
# and hope for best.
|
| 424 |
|
|
|
| 425 |
|
|
return $arg
|
| 426 |
|
|
}
|
| 427 |
|
|
|
| 428 |
|
|
# Run the test with self.
|
| 429 |
|
|
# Copy the file executable file in case this OS doesn't like to edit its own
|
| 430 |
|
|
# text space.
|
| 431 |
|
|
|
| 432 |
|
|
set GDB_FULLPATH [find_gdb $GDB]
|
| 433 |
|
|
|
| 434 |
|
|
# Remove any old copy lying around.
|
| 435 |
|
|
remote_file host delete x$tool
|
| 436 |
|
|
|
| 437 |
|
|
gdb_start
|
| 438 |
|
|
set file [remote_download host $GDB_FULLPATH x$tool]
|
| 439 |
|
|
set result [test_with_self $file];
|
| 440 |
|
|
gdb_exit;
|
| 441 |
|
|
catch "remote_file host delete $file";
|
| 442 |
|
|
|
| 443 |
|
|
if {$result <0} then {
|
| 444 |
|
|
warning "Couldn't test self"
|
| 445 |
|
|
return -1
|
| 446 |
|
|
}
|
