| # Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000, 2002, 2003, 2004, |
| # 2005, 2006, 2007, 2008, 2009, 2010 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) |
| |
| if $tracelevel then { |
| strace $tracelevel |
| } |
| |
| |
| # 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 $" { |
| set description "step over ttyarg initialization" |
| set command "step" |
| } |
| -re ".*pre_stat_chain = make_command_stats_cleanup.*$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 $" { |
| set description "next over conditional stack alignment alloca" |
| set command "next" |
| } |
| -re ".*cmdsize = 1.*$gdb_prompt $" { |
| set description "step over cmdsize initialization" |
| set command "next" |
| } |
| -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" { |
| set description "next over cmdarg initialization via xmalloc" |
| set command "next" |
| } |
| -re ".*ncmd = 0.*$gdb_prompt $" { |
| set description "next over ncmd initialization" |
| set command "next" |
| } |
| -re ".*dirsize = 1.*$gdb_prompt $" { |
| set description "next over dirsize initialization" |
| set command "next" |
| } |
| -re ".*dirarg = .* xmalloc.*$gdb_prompt $" { |
| return |
| } |
| -re ".*setlocale .LC_MESSAGES,.*$gdb_prompt $" { |
| set description "next over setlocale LC_MESSAGES" |
| set command "next" |
| } |
| -re ".*setlocale .LC_CTYPE,.*$gdb_prompt $" { |
| set description "next over setlocale LC_CTYPE" |
| set command "next" |
| } |
| -re ".*bindtextdomain .PACKAGE, LOCALEDIR.;.*$gdb_prompt $" { |
| set description "next over bindtextdomain" |
| set command "next" |
| } |
| -re ".*textdomain .PACKAGE.;.*$gdb_prompt $" { |
| set description "next over textdomain PACKAGE" |
| set command "next" |
| } |
| -re "\[0-9\]+\[\t \]+\{\r\n$gdb_prompt $" { |
| set description "step over initial brace" |
| set command "step" |
| } |
| -re ".*current_directory = gdb_dirbuf.*$gdb_prompt $" { |
| set description "step over current_directory initialization" |
| set command "step" |
| } |
| -re ".*gdb_sysroot = .*$gdb_prompt $" { |
| # NOTE: carlton/2003-01-15: More optimization reordering, |
| # observed on GCC 3.1. |
| set description "step over gdb_sysroot initialization" |
| set command "step" |
| } |
| -re ".*ndir = 0.*$gdb_prompt $" { |
| set description "step over ndir initialization" |
| set command "step" |
| } |
| -re ".*instream = stdin.*$gdb_prompt $" { |
| set description "step over instream initialization" |
| set command "step" |
| } |
| -re ".*getcwd .gdb_dirbuf, sizeof .gdb_dirbuf..;.*$gdb_prompt $" { |
| set description "next over getcwd" |
| set command "next" |
| } |
| -re ".*quit_flag = 0.*$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 |
| |
| # 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.$decimal.*" \ |
| "Disassemble main" |
| |
| # Set a breakpoint at main |
| gdb_test "break captured_main" \ |
| "Breakpoint.*at.* file.*, line.*" \ |
| "breakpoint in captured_main" |
| |
| # We'll need this when we send a ^C to GDB. Need to do it before we |
| # run the program and gdb starts saving and restoring tty states. |
| # On Ultrix, we don't need it and it is really slow (because shell_escape |
| # doesn't use vfork). |
| if ![istarget "*-*-ultrix*"] then { |
| gdb_test "shell stty intr '^C'" ".*" \ |
| "set interrupt character in test_with_self" |
| } |
| |
| # FIXME: If we put this after the run to main, the first list |
| # command doesn't print the same line as the current line where |
| # gdb is stopped. |
| gdb_test_no_output "set listsize 1" "set listsize to 1" |
| |
| # run yourself |
| # It may take a very long time for the inferior gdb to start (lynx), |
| # so we bump it back up for the duration of this command. |
| set timeout 600 |
| |
| set description "run until breakpoint at captured_main" |
| gdb_test_multiple "run -nw" "$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 |
| gdb_test_multiple "continue" "xgdb is at prompt" { |
| -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 "xgdb is at prompt" |
| } |
| } |
| |
| # 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 |
| } |