1344 lines
36 KiB
Text
1344 lines
36 KiB
Text
# Copyright 1999, 2000, 2002, 2003, 2004, 2005, 2007
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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 based on a file written by Fred Fish. (fnf@cygnus.com)
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# Test setup routines that work with the MI interpreter.
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# The variable mi_gdb_prompt is a regexp which matches the gdb mi prompt.
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# Set it if it is not already set.
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global mi_gdb_prompt
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if ![info exists mi_gdb_prompt] then {
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set mi_gdb_prompt "\[(\]gdb\[)\] \r\n"
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}
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global mi_inferior_spawn_id
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global mi_inferior_tty_name
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set MIFLAGS "-i=mi"
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#
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# mi_gdb_exit -- exit the GDB, killing the target program if necessary
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#
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proc mi_gdb_exit {} {
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catch mi_uncatched_gdb_exit
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}
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proc mi_uncatched_gdb_exit {} {
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global GDB
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global GDBFLAGS
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global verbose
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global gdb_spawn_id;
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global gdb_prompt
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global mi_gdb_prompt
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global MIFLAGS
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gdb_stop_suppressing_tests;
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if { [info procs sid_exit] != "" } {
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sid_exit
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}
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if ![info exists gdb_spawn_id] {
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return;
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}
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verbose "Quitting $GDB $GDBFLAGS $MIFLAGS"
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if { [is_remote host] && [board_info host exists fileid] } {
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send_gdb "999-gdb-exit\n";
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gdb_expect 10 {
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-re "y or n" {
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send_gdb "y\n";
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exp_continue;
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}
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-re "Undefined command.*$gdb_prompt $" {
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send_gdb "quit\n"
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exp_continue;
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}
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-re "DOSEXIT code" { }
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default { }
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}
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}
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if ![is_remote host] {
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remote_close host;
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}
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unset gdb_spawn_id
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}
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#
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# mi_gdb_start [INFERIOR_PTY] -- start gdb running, default procedure
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#
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# INFERIOR_PTY should be set to separate-inferior-tty to have the inferior work
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# with it's own PTY. If set to same-inferior-tty, the inferior shares GDB's PTY.
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# The default value is same-inferior-tty.
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#
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# When running over NFS, particularly if running many simultaneous
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# tests on different hosts all using the same server, things can
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# get really slow. Give gdb at least 3 minutes to start up.
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#
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proc mi_gdb_start { args } {
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global verbose
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global GDB
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global GDBFLAGS
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global gdb_prompt
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global mi_gdb_prompt
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global timeout
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global gdb_spawn_id;
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global MIFLAGS
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gdb_stop_suppressing_tests;
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set inferior_pty no-tty
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if { [llength $args] == 1} {
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set inferior_pty [lindex $args 0]
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}
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set separate_inferior_pty [string match $inferior_pty separate-inferior-tty]
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# Start SID.
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if { [info procs sid_start] != "" } {
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verbose "Spawning SID"
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sid_start
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}
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verbose "Spawning $GDB -nw $GDBFLAGS $MIFLAGS"
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if [info exists gdb_spawn_id] {
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return 0;
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}
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if ![is_remote host] {
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if { [which $GDB] == 0 } then {
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perror "$GDB does not exist."
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exit 1
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}
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}
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# Create the new PTY for the inferior process.
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if { $separate_inferior_pty } {
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spawn -pty
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global mi_inferior_spawn_id
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global mi_inferior_tty_name
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set mi_inferior_spawn_id $spawn_id
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set mi_inferior_tty_name $spawn_out(slave,name)
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}
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set res [remote_spawn host "$GDB -nw $GDBFLAGS $MIFLAGS [host_info gdb_opts]"];
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if { $res < 0 || $res == "" } {
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perror "Spawning $GDB failed."
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return 1;
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}
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gdb_expect {
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-re "~\"GNU.*\r\n~\".*$mi_gdb_prompt$" {
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# We have a new format mi startup prompt. If we are
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# running mi1, then this is an error as we should be
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# using the old-style prompt.
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if { $MIFLAGS == "-i=mi1" } {
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perror "(mi startup) Got unexpected new mi prompt."
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remote_close host;
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return -1;
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}
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verbose "GDB initialized."
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}
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-re "\[^~\].*$mi_gdb_prompt$" {
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# We have an old format mi startup prompt. If we are
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# not running mi1, then this is an error as we should be
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# using the new-style prompt.
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if { $MIFLAGS != "-i=mi1" } {
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perror "(mi startup) Got unexpected old mi prompt."
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remote_close host;
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return -1;
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}
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verbose "GDB initialized."
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}
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-re ".*$gdb_prompt $" {
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untested "Skip mi tests (got non-mi prompt)."
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remote_close host;
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return -1;
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}
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-re ".*unrecognized option.*for a complete list of options." {
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untested "Skip mi tests (not compiled with mi support)."
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remote_close host;
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return -1;
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}
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-re ".*Interpreter `mi' unrecognized." {
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untested "Skip mi tests (not compiled with mi support)."
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remote_close host;
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return -1;
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}
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timeout {
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perror "(timeout) GDB never initialized after 10 seconds."
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remote_close host;
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return -1
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}
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}
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set gdb_spawn_id -1;
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# FIXME: mi output does not go through pagers, so these can be removed.
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# force the height to "unlimited", so no pagers get used
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send_gdb "100-gdb-set height 0\n"
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gdb_expect 10 {
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-re ".*100-gdb-set height 0\r\n100\\\^done\r\n$mi_gdb_prompt$" {
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verbose "Setting height to 0." 2
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}
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timeout {
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warning "Couldn't set the height to 0"
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}
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}
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# force the width to "unlimited", so no wraparound occurs
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send_gdb "101-gdb-set width 0\n"
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gdb_expect 10 {
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-re ".*101-gdb-set width 0\r\n101\\\^done\r\n$mi_gdb_prompt$" {
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verbose "Setting width to 0." 2
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}
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timeout {
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warning "Couldn't set the width to 0."
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}
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}
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# If allowing the inferior to have its own PTY then assign the inferior
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# its own terminal device here.
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if { $separate_inferior_pty } {
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send_gdb "102-inferior-tty-set $mi_inferior_tty_name\n"
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gdb_expect 10 {
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-re ".*102\\\^done\r\n$mi_gdb_prompt$" {
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verbose "redirect inferior output to new terminal device."
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}
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timeout {
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warning "Couldn't redirect inferior output." 2
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}
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}
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}
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return 0;
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}
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# Many of the tests depend on setting breakpoints at various places and
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# running until that breakpoint is reached. At times, we want to start
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# with a clean-slate with respect to breakpoints, so this utility proc
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# lets us do this without duplicating this code everywhere.
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#
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proc mi_delete_breakpoints {} {
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global mi_gdb_prompt
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# FIXME: The mi operation won't accept a prompt back and will use the 'all' arg
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send_gdb "102-break-delete\n"
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gdb_expect 30 {
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-re "Delete all breakpoints.*y or n.*$" {
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send_gdb "y\n";
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exp_continue
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}
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-re "102-break-delete\r\n102\\\^done\r\n$mi_gdb_prompt$" {
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# This happens if there were no breakpoints
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}
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timeout { perror "Delete all breakpoints in mi_delete_breakpoints (timeout)" ; return }
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}
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# The correct output is not "No breakpoints or watchpoints." but an
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# empty BreakpointTable. Also, a query is not acceptable with mi.
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send_gdb "103-break-list\n"
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gdb_expect 30 {
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-re "103-break-list\r\n103\\\^done,BreakpointTable=\{\}\r\n$mi_gdb_prompt$" {}
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-re "103-break-list\r\n103\\\^done,BreakpointTable=\{nr_rows=\".\",nr_cols=\".\",hdr=\\\[\{width=\".*\",alignment=\".*\",col_name=\"number\",colhdr=\"Num\"\}.*colhdr=\"Type\".*colhdr=\"Disp\".*colhdr=\"Enb\".*colhdr=\"Address\".*colhdr=\"What\".*\\\],body=\\\[\\\]\}" {}
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-re "103-break-list\r\n103\\\^doneNo breakpoints or watchpoints.\r\n\r\n$mi_gdb_prompt$" {warning "Unexpected console text received"}
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-re "$mi_gdb_prompt$" { perror "Breakpoints not deleted" ; return }
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-re "Delete all breakpoints.*or n.*$" {
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warning "Unexpected prompt for breakpoints deletion";
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send_gdb "y\n";
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exp_continue
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}
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timeout { perror "-break-list (timeout)" ; return }
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}
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}
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proc mi_gdb_reinitialize_dir { subdir } {
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global mi_gdb_prompt
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global MIFLAGS
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global suppress_flag
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if { $suppress_flag } {
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return
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}
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if [is_remote host] {
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return "";
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}
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if { $MIFLAGS == "-i=mi1" } {
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send_gdb "104-environment-directory\n"
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gdb_expect 60 {
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-re ".*Reinitialize source path to empty.*y or n. " {
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warning "Got confirmation prompt for dir reinitialization."
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send_gdb "y\n"
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gdb_expect 60 {
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-re "$mi_gdb_prompt$" {}
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timeout {error "Dir reinitialization failed (timeout)"}
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}
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}
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-re "$mi_gdb_prompt$" {}
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timeout {error "Dir reinitialization failed (timeout)"}
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}
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} else {
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send_gdb "104-environment-directory -r\n"
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gdb_expect 60 {
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-re "104\\\^done,source-path=.*\r\n$mi_gdb_prompt$" {}
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-re "$mi_gdb_prompt$" {}
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timeout {error "Dir reinitialization failed (timeout)"}
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}
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}
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send_gdb "105-environment-directory $subdir\n"
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gdb_expect 60 {
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-re "Source directories searched.*$mi_gdb_prompt$" {
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verbose "Dir set to $subdir"
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}
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-re "105\\\^done.*\r\n$mi_gdb_prompt$" {
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# FIXME: We return just the prompt for now.
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verbose "Dir set to $subdir"
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# perror "Dir \"$subdir\" failed."
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}
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}
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}
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# Send GDB the "target" command.
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# FIXME: Some of these patterns are not appropriate for MI. Based on
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# config/monitor.exp:gdb_target_command.
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proc mi_gdb_target_cmd { targetname serialport } {
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global mi_gdb_prompt
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for {set i 1} {$i <= 3} {incr i} {
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send_gdb "47-target-select $targetname $serialport\n"
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gdb_expect 60 {
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-re "47\\^connected.*$mi_gdb_prompt$" {
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verbose "Set target to $targetname";
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return 0;
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}
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-re "Couldn't establish connection to remote.*$mi_gdb_prompt$" {
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verbose "Connection failed";
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}
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-re "Remote MIPS debugging.*$mi_gdb_prompt$" {
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verbose "Set target to $targetname";
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return 0;
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}
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-re "Remote debugging using .*$serialport.*$mi_gdb_prompt$" {
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verbose "Set target to $targetname";
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return 0;
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}
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-re "Remote target $targetname connected to.*$mi_gdb_prompt$" {
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verbose "Set target to $targetname";
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return 0;
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}
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-re "Connected to.*$mi_gdb_prompt$" {
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verbose "Set target to $targetname";
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return 0;
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}
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-re "Ending remote.*$mi_gdb_prompt$" { }
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-re "Connection refused.*$mi_gdb_prompt$" {
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verbose "Connection refused by remote target. Pausing, and trying again."
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sleep 5
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continue
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}
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-re "Timeout reading from remote system.*$mi_gdb_prompt$" {
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verbose "Got timeout error from gdb.";
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}
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timeout {
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send_gdb "";
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break
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}
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}
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}
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return 1
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}
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#
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# load a file into the debugger (file command only).
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# return a -1 if anything goes wrong.
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#
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proc mi_gdb_file_cmd { arg } {
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global verbose
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global loadpath
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global loadfile
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global GDB
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global mi_gdb_prompt
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global last_mi_gdb_file
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global last_mi_remote_file
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upvar timeout timeout
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if { $arg == "" } {
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set arg $last_mi_gdb_file;
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} else {
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set last_mi_gdb_file $arg
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if { [ info exists last_mi_remote_file ] } {
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unset last_mi_remote_file
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}
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}
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if [is_remote host] {
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set arg [remote_download host $arg];
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if { $arg == "" } {
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error "download failed"
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return -1;
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}
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}
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# FIXME: Several of these patterns are only acceptable for console
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# output. Queries are an error for mi.
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send_gdb "105-file-exec-and-symbols $arg\n"
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gdb_expect 120 {
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-re "Reading symbols from.*done.*$mi_gdb_prompt$" {
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verbose "\t\tLoaded $arg into the $GDB"
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return 0
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}
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-re "has no symbol-table.*$mi_gdb_prompt$" {
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perror "$arg wasn't compiled with \"-g\""
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return -1
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}
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-re "Load new symbol table from \".*\".*y or n. $" {
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send_gdb "y\n"
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gdb_expect 120 {
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-re "Reading symbols from.*done.*$mi_gdb_prompt$" {
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verbose "\t\tLoaded $arg with new symbol table into $GDB"
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# All OK
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}
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timeout {
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perror "(timeout) Couldn't load $arg, other program already loaded."
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return -1
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}
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}
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}
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-re "No such file or directory.*$mi_gdb_prompt$" {
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perror "($arg) No such file or directory\n"
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return -1
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}
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-re "105-file-exec-and-symbols .*\r\n105\\\^done\r\n$mi_gdb_prompt$" {
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# We (MI) are just giving the prompt back for now, instead of giving
|
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# some acknowledgement.
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return 0
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}
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timeout {
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perror "couldn't load $arg into $GDB (timed out)."
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return -1
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}
|
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eof {
|
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# This is an attempt to detect a core dump, but seems not to
|
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# work. Perhaps we need to match .* followed by eof, in which
|
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# gdb_expect does not seem to have a way to do that.
|
||
perror "couldn't load $arg into $GDB (end of file)."
|
||
return -1
|
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}
|
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}
|
||
}
|
||
|
||
#
|
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# load a file into the debugger.
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# return a -1 if anything goes wrong.
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#
|
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proc mi_gdb_load { arg } {
|
||
global verbose
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global loadpath
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global loadfile
|
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global GDB
|
||
global mi_gdb_prompt
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upvar timeout timeout
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||
|
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# ``gdb_unload''
|
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if { $arg != "" } {
|
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mi_gdb_file_cmd $arg
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}
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||
|
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# ``load''
|
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if { [info procs gdbserver_gdb_load] != "" } {
|
||
global last_mi_gdb_file
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global last_mi_remote_file
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|
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if { ! [info exists last_mi_remote_file] } {
|
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if [is_remote target] {
|
||
set last_mi_remote_file [remote_download target $arg /tmp/[file tail $arg].[pid]]
|
||
} else {
|
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set last_mi_remote_file $last_mi_gdb_file
|
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}
|
||
}
|
||
|
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set res [gdbserver_gdb_load $last_mi_remote_file]
|
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set protocol [lindex $res 0]
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set gdbport [lindex $res 1]
|
||
|
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if { [mi_gdb_target_cmd $protocol $gdbport] != 0 } {
|
||
return -1
|
||
}
|
||
} elseif { [info procs send_target_sid] != "" } {
|
||
# For SID, things get complex
|
||
send_target_sid
|
||
gdb_expect 60 {
|
||
-re "\\^done.*$mi_gdb_prompt$" {
|
||
}
|
||
timeout {
|
||
perror "Unable to connect to SID target"
|
||
return -1
|
||
}
|
||
}
|
||
send_gdb "48-target-download\n"
|
||
gdb_expect 10 {
|
||
-re "48\\^done.*$mi_gdb_prompt$" {
|
||
}
|
||
timeout {
|
||
perror "Unable to download to SID target"
|
||
return -1
|
||
}
|
||
}
|
||
} elseif { [target_info protocol] == "sim" } {
|
||
# For the simulator, just connect to it directly.
|
||
send_gdb "47-target-select sim\n"
|
||
gdb_expect 10 {
|
||
-re "47\\^connected.*$mi_gdb_prompt$" {
|
||
}
|
||
timeout {
|
||
perror "Unable to select sim target"
|
||
return -1
|
||
}
|
||
}
|
||
send_gdb "48-target-download\n"
|
||
gdb_expect 10 {
|
||
-re "48\\^done.*$mi_gdb_prompt$" {
|
||
}
|
||
timeout {
|
||
perror "Unable to download to sim target"
|
||
return -1
|
||
}
|
||
}
|
||
} elseif { [target_info gdb_protocol] == "remote" } {
|
||
# remote targets
|
||
if { [mi_gdb_target_cmd "remote" [target_info netport]] != 0 } {
|
||
perror "Unable to connect to remote target"
|
||
return -1
|
||
}
|
||
send_gdb "48-target-download\n"
|
||
gdb_expect 10 {
|
||
-re "48\\^done.*$mi_gdb_prompt$" {
|
||
}
|
||
timeout {
|
||
perror "Unable to download to remote target"
|
||
return -1
|
||
}
|
||
}
|
||
}
|
||
return 0
|
||
}
|
||
|
||
# mi_gdb_test COMMAND PATTERN MESSAGE [IPATTERN] -- send a command to gdb;
|
||
# test the result.
|
||
#
|
||
# COMMAND is the command to execute, send to GDB with send_gdb. If
|
||
# this is the null string no command is sent.
|
||
# PATTERN is the pattern to match for a PASS, and must NOT include
|
||
# the \r\n sequence immediately before the gdb prompt.
|
||
# MESSAGE is the message to be printed. (If this is the empty string,
|
||
# then sometimes we don't call pass or fail at all; I don't
|
||
# understand this at all.)
|
||
# IPATTERN is the pattern to match for the inferior's output. This parameter
|
||
# is optional. If present, it will produce a PASS if the match is
|
||
# successful, and a FAIL if unsuccessful.
|
||
#
|
||
# Returns:
|
||
# 1 if the test failed,
|
||
# 0 if the test passes,
|
||
# -1 if there was an internal error.
|
||
#
|
||
proc mi_gdb_test { args } {
|
||
global verbose
|
||
global mi_gdb_prompt
|
||
global GDB expect_out
|
||
upvar timeout timeout
|
||
|
||
set command [lindex $args 0]
|
||
set pattern [lindex $args 1]
|
||
set message [lindex $args 2]
|
||
|
||
if [llength $args]==4 {
|
||
set ipattern [lindex $args 3]
|
||
}
|
||
|
||
if [llength $args]==5 {
|
||
set question_string [lindex $args 3];
|
||
set response_string [lindex $args 4];
|
||
} else {
|
||
set question_string "^FOOBAR$"
|
||
}
|
||
|
||
if $verbose>2 then {
|
||
send_user "Sending \"$command\" to gdb\n"
|
||
send_user "Looking to match \"$pattern\"\n"
|
||
send_user "Message is \"$message\"\n"
|
||
}
|
||
|
||
set result -1
|
||
set string "${command}\n";
|
||
set string_regex [string_to_regexp $command]
|
||
|
||
if { $command != "" } {
|
||
while { "$string" != "" } {
|
||
set foo [string first "\n" "$string"];
|
||
set len [string length "$string"];
|
||
if { $foo < [expr $len - 1] } {
|
||
set str [string range "$string" 0 $foo];
|
||
if { [send_gdb "$str"] != "" } {
|
||
global suppress_flag;
|
||
|
||
if { ! $suppress_flag } {
|
||
perror "Couldn't send $command to GDB.";
|
||
}
|
||
fail "$message";
|
||
return $result;
|
||
}
|
||
gdb_expect 2 {
|
||
-re "\[\r\n\]" { }
|
||
timeout { }
|
||
}
|
||
set string [string range "$string" [expr $foo + 1] end];
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
if { "$string" != "" } {
|
||
if { [send_gdb "$string"] != "" } {
|
||
global suppress_flag;
|
||
|
||
if { ! $suppress_flag } {
|
||
perror "Couldn't send $command to GDB.";
|
||
}
|
||
fail "$message";
|
||
return $result;
|
||
}
|
||
}
|
||
}
|
||
|
||
if [info exists timeout] {
|
||
set tmt $timeout;
|
||
} else {
|
||
global timeout;
|
||
if [info exists timeout] {
|
||
set tmt $timeout;
|
||
} else {
|
||
set tmt 60;
|
||
}
|
||
}
|
||
gdb_expect $tmt {
|
||
-re "\\*\\*\\* DOSEXIT code.*" {
|
||
if { $message != "" } {
|
||
fail "$message";
|
||
}
|
||
gdb_suppress_entire_file "GDB died";
|
||
return -1;
|
||
}
|
||
-re "Ending remote debugging.*$mi_gdb_prompt\[ \]*$" {
|
||
if ![isnative] then {
|
||
warning "Can`t communicate to remote target."
|
||
}
|
||
gdb_exit
|
||
gdb_start
|
||
set result -1
|
||
}
|
||
-re "^($string_regex\[\r\n\]+)?($pattern\[\r\n\]+$mi_gdb_prompt\[ \]*)" {
|
||
# At this point, $expect_out(1,string) is the MI input command.
|
||
# and $expect_out(2,string) is the MI output command.
|
||
# If $expect_out(1,string) is "", then there was no MI input command here.
|
||
|
||
# NOTE, there is no trailing anchor because with GDB/MI,
|
||
# asynchronous responses can happen at any point, causing more
|
||
# data to be available. Normally an anchor is used to make
|
||
# sure the end of the output is matched, however, $mi_gdb_prompt
|
||
# is just as good of an anchor since mi_gdb_test is meant to
|
||
# match a single mi output command. If a second GDB/MI output
|
||
# response is sent, it will be in the buffer for the next
|
||
# time mi_gdb_test is called.
|
||
if ![string match "" $message] then {
|
||
pass "$message"
|
||
}
|
||
set result 0
|
||
}
|
||
-re "(${question_string})$" {
|
||
send_gdb "$response_string\n";
|
||
exp_continue;
|
||
}
|
||
-re "Undefined.* command:.*$mi_gdb_prompt\[ \]*$" {
|
||
perror "Undefined command \"$command\"."
|
||
fail "$message"
|
||
set result 1
|
||
}
|
||
-re "Ambiguous command.*$mi_gdb_prompt\[ \]*$" {
|
||
perror "\"$command\" is not a unique command name."
|
||
fail "$message"
|
||
set result 1
|
||
}
|
||
-re "Program exited with code \[0-9\]+.*$mi_gdb_prompt\[ \]*$" {
|
||
if ![string match "" $message] then {
|
||
set errmsg "$message (the program exited)"
|
||
} else {
|
||
set errmsg "$command (the program exited)"
|
||
}
|
||
fail "$errmsg"
|
||
return -1
|
||
}
|
||
-re "The program is not being run.*$mi_gdb_prompt\[ \]*$" {
|
||
if ![string match "" $message] then {
|
||
set errmsg "$message (the program is no longer running)"
|
||
} else {
|
||
set errmsg "$command (the program is no longer running)"
|
||
}
|
||
fail "$errmsg"
|
||
return -1
|
||
}
|
||
-re ".*$mi_gdb_prompt\[ \]*$" {
|
||
if ![string match "" $message] then {
|
||
fail "$message"
|
||
}
|
||
set result 1
|
||
}
|
||
"<return>" {
|
||
send_gdb "\n"
|
||
perror "Window too small."
|
||
fail "$message"
|
||
}
|
||
-re "\\(y or n\\) " {
|
||
send_gdb "n\n"
|
||
perror "Got interactive prompt."
|
||
fail "$message"
|
||
}
|
||
eof {
|
||
perror "Process no longer exists"
|
||
if { $message != "" } {
|
||
fail "$message"
|
||
}
|
||
return -1
|
||
}
|
||
full_buffer {
|
||
perror "internal buffer is full."
|
||
fail "$message"
|
||
}
|
||
timeout {
|
||
if ![string match "" $message] then {
|
||
fail "$message (timeout)"
|
||
}
|
||
set result 1
|
||
}
|
||
}
|
||
|
||
# If the GDB output matched, compare the inferior output.
|
||
if { $result == 0 } {
|
||
if [ info exists ipattern ] {
|
||
global mi_inferior_spawn_id
|
||
expect {
|
||
-i $mi_inferior_spawn_id -re "$ipattern" {
|
||
pass "inferior_output:$message"
|
||
}
|
||
timeout {
|
||
fail "inferior output timeout"
|
||
set result 1
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return $result
|
||
}
|
||
|
||
#
|
||
# MI run command. (A modified version of gdb_run_cmd)
|
||
#
|
||
|
||
# In patterns, the newline sequence ``\r\n'' is matched explicitly as
|
||
# ``.*$'' could swallow up output that we attempt to match elsewhere.
|
||
|
||
proc mi_run_cmd {args} {
|
||
global suppress_flag
|
||
if { $suppress_flag } {
|
||
return -1
|
||
}
|
||
global mi_gdb_prompt
|
||
|
||
if [target_info exists gdb_init_command] {
|
||
send_gdb "[target_info gdb_init_command]\n";
|
||
gdb_expect 30 {
|
||
-re "$mi_gdb_prompt$" { }
|
||
default {
|
||
perror "gdb_init_command for target failed";
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
if [target_info exists use_gdb_stub] {
|
||
if [target_info exists gdb,do_reload_on_run] {
|
||
# Specifying no file, defaults to the executable
|
||
# currently being debugged.
|
||
if { [mi_gdb_load ""] < 0 } {
|
||
return;
|
||
}
|
||
send_gdb "000-exec-continue\n";
|
||
gdb_expect 60 {
|
||
-re "000\\^running\[\r\n\]+$mi_gdb_prompt$" {}
|
||
default {}
|
||
}
|
||
return;
|
||
}
|
||
|
||
if [target_info exists gdb,start_symbol] {
|
||
set start [target_info gdb,start_symbol];
|
||
} else {
|
||
set start "start";
|
||
}
|
||
|
||
# HACK: Should either use 000-jump or fix the target code
|
||
# to better handle RUN.
|
||
send_gdb "jump *$start\n"
|
||
warning "Using CLI jump command, expect run-to-main FAIL"
|
||
return
|
||
}
|
||
|
||
send_gdb "000-exec-run $args\n"
|
||
gdb_expect {
|
||
-re "000\\^running\r\n${mi_gdb_prompt}" {
|
||
}
|
||
timeout {
|
||
perror "Unable to start target"
|
||
return
|
||
}
|
||
}
|
||
# NOTE: Shortly after this there will be a ``000*stopped,...(gdb)''
|
||
}
|
||
|
||
#
|
||
# Just like run-to-main but works with the MI interface
|
||
#
|
||
|
||
proc mi_run_to_main { } {
|
||
global suppress_flag
|
||
if { $suppress_flag } {
|
||
return -1
|
||
}
|
||
|
||
global srcdir
|
||
global subdir
|
||
global binfile
|
||
global srcfile
|
||
|
||
mi_delete_breakpoints
|
||
mi_gdb_reinitialize_dir $srcdir/$subdir
|
||
mi_gdb_load ${binfile}
|
||
|
||
mi_runto main
|
||
}
|
||
|
||
|
||
# Just like gdb's "runto" proc, it will run the target to a given
|
||
# function. The big difference here between mi_runto and mi_execute_to
|
||
# is that mi_execute_to must have the inferior running already. This
|
||
# proc will (like gdb's runto) (re)start the inferior, too.
|
||
#
|
||
# FUNC is the linespec of the place to stop (it inserts a breakpoint here).
|
||
# It returns:
|
||
# -1 if test suppressed, failed, timedout
|
||
# 0 if test passed
|
||
|
||
proc mi_runto_helper {func run_or_continue} {
|
||
global suppress_flag
|
||
if { $suppress_flag } {
|
||
return -1
|
||
}
|
||
|
||
global mi_gdb_prompt expect_out
|
||
global hex decimal fullname_syntax
|
||
|
||
set test "mi runto $func"
|
||
mi_gdb_test "200-break-insert -t $func" \
|
||
"200\\^done,bkpt=\{number=\"\[0-9\]+\",type=\"breakpoint\",disp=\"del\",enabled=\"y\",addr=\"$hex\",func=\"$func\(\\\(.*\\\)\)?\",file=\".*\",line=\"\[0-9\]*\",times=\"0\"\}" \
|
||
"breakpoint at $func"
|
||
|
||
if {![regexp {number="[0-9]+"} $expect_out(buffer) str]
|
||
|| ![scan $str {number="%d"} bkptno]} {
|
||
set bkptno {[0-9]+}
|
||
}
|
||
|
||
if {$run_or_continue == "run"} {
|
||
mi_run_cmd
|
||
} else {
|
||
send_gdb "000-exec-continue\n"
|
||
gdb_expect {
|
||
-re "000\\^running\r\n${mi_gdb_prompt}" {
|
||
}
|
||
timeout {
|
||
fail "$test"
|
||
return -1
|
||
}
|
||
}
|
||
}
|
||
|
||
gdb_expect {
|
||
-re ".*000\\*stopped,thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\"$func\",args=\(\\\[.*\\\]\|\{.*\}\),file=\".*\",fullname=\"${fullname_syntax}.*\",line=\"\[0-9\]*\"\}\r\n$mi_gdb_prompt$" {
|
||
pass "$test"
|
||
return 0
|
||
}
|
||
-re ".*$mi_gdb_prompt$" {
|
||
fail "$test (2)"
|
||
}
|
||
timeout {
|
||
fail "$test (timeout)"
|
||
return -1
|
||
}
|
||
}
|
||
}
|
||
|
||
proc mi_runto {func} {
|
||
mi_runto_helper $func "run"
|
||
}
|
||
|
||
# Next to the next statement
|
||
# For return values, see mi_execute_to_helper
|
||
|
||
proc mi_next { test } {
|
||
return [mi_next_to {.*} {.*} {.*} {.*} $test]
|
||
}
|
||
|
||
|
||
# Step to the next statement
|
||
# For return values, see mi_execute_to_helper
|
||
|
||
proc mi_step { test } {
|
||
return [mi_step_to {.*} {.*} {.*} {.*} $test]
|
||
}
|
||
|
||
# cmd should not include the number or newline (i.e. "exec-step 3", not
|
||
# "220-exec-step 3\n"
|
||
|
||
# Can not match -re ".*\r\n${mi_gdb_prompt}", because of false positives
|
||
# after the first prompt is printed.
|
||
|
||
proc mi_execute_to_helper { cmd reason func args file line extra test } {
|
||
global suppress_flag
|
||
if { $suppress_flag } {
|
||
return -1
|
||
}
|
||
global mi_gdb_prompt
|
||
global hex
|
||
global decimal
|
||
global fullname_syntax
|
||
send_gdb "220-$cmd\n"
|
||
gdb_expect {
|
||
-re "220\\^running\r\n${mi_gdb_prompt}.*220\\*stopped,reason=\"$reason\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\"$func\",args=$args,file=\".*$file\",fullname=\"${fullname_syntax}$file\",line=\"$line\"\}$extra\r\n$mi_gdb_prompt$" {
|
||
pass "$test"
|
||
return 0
|
||
}
|
||
-re "220\\^running\r\n${mi_gdb_prompt}.*220\\*stopped,reason=\"$reason\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\".*\",args=\[\\\[\{\].*\[\\\]\}\],file=\".*\",fullname=\"${fullname_syntax}.*\",line=\"\[0-9\]*\"\}.*\r\n$mi_gdb_prompt$" {
|
||
fail "$test (stopped at wrong place)"
|
||
return -1
|
||
}
|
||
-re "220\\^running\r\n${mi_gdb_prompt}.*\r\n${mi_gdb_prompt}$" {
|
||
fail "$test (unknown output after running)"
|
||
return -1
|
||
}
|
||
timeout {
|
||
fail "$test (timeout)"
|
||
return -1
|
||
}
|
||
}
|
||
}
|
||
|
||
proc mi_execute_to { cmd reason func args file line extra test } {
|
||
mi_execute_to_helper "$cmd" "$reason" "$func" "\\\[$args\\\]" \
|
||
"$file" "$line" "$extra" "$test"
|
||
}
|
||
|
||
proc mi_next_to { func args file line test } {
|
||
mi_execute_to "exec-next" "end-stepping-range" "$func" "$args" \
|
||
"$file" "$line" "" "$test"
|
||
}
|
||
|
||
proc mi_step_to { func args file line test } {
|
||
mi_execute_to "exec-step" "end-stepping-range" "$func" "$args" \
|
||
"$file" "$line" "" "$test"
|
||
}
|
||
|
||
proc mi_finish_to { func args file line result ret test } {
|
||
mi_execute_to "exec-finish" "function-finished" "$func" "$args" \
|
||
"$file" "$line" \
|
||
",gdb-result-var=\"$result\",return-value=\"$ret\"" \
|
||
"$test"
|
||
}
|
||
|
||
proc mi_continue_to {func} {
|
||
mi_runto_helper $func "continue"
|
||
}
|
||
|
||
proc mi0_execute_to { cmd reason func args file line extra test } {
|
||
mi_execute_to_helper "$cmd" "$reason" "$func" "\{$args\}" \
|
||
"$file" "$line" "$extra" "$test"
|
||
}
|
||
|
||
proc mi0_next_to { func args file line test } {
|
||
mi0_execute_to "exec-next" "end-stepping-range" "$func" "$args" \
|
||
"$file" "$line" "" "$test"
|
||
}
|
||
|
||
proc mi0_step_to { func args file line test } {
|
||
mi0_execute_to "exec-step" "end-stepping-range" "$func" "$args" \
|
||
"$file" "$line" "" "$test"
|
||
}
|
||
|
||
proc mi0_finish_to { func args file line result ret test } {
|
||
mi0_execute_to "exec-finish" "function-finished" "$func" "$args" \
|
||
"$file" "$line" \
|
||
",gdb-result-var=\"$result\",return-value=\"$ret\"" \
|
||
"$test"
|
||
}
|
||
|
||
proc mi0_continue_to { bkptno func args file line test } {
|
||
mi0_execute_to "exec-continue" "breakpoint-hit\",bkptno=\"$bkptno" \
|
||
"$func" "$args" "$file" "$line" "" "$test"
|
||
}
|
||
|
||
# Creates varobj named NAME for EXPRESSION.
|
||
# Name cannot be "-".
|
||
proc mi_create_varobj { name expression testname } {
|
||
mi_gdb_test "-var-create $name * $expression" \
|
||
"\\^done,name=\"$name\",numchild=\"\[0-9\]+\",type=.*" \
|
||
$testname
|
||
}
|
||
|
||
# Updates varobj named NAME and checks that all varobjs in EXPECTED
|
||
# are reported as updated, and no other varobj is updated.
|
||
# Assumes that no varobj is out of scope and that no varobj changes
|
||
# types.
|
||
proc mi_varobj_update { name expected testname } {
|
||
set er "\\^done,changelist=\\\["
|
||
set first 1
|
||
foreach item $expected {
|
||
set v "{name=\"$item\",in_scope=\"true\",type_changed=\"false\"}"
|
||
if {$first} {
|
||
set er "$er$v"
|
||
} else {
|
||
set er "$er,$v"
|
||
}
|
||
}
|
||
set er "$er\\\]"
|
||
|
||
verbose -log "Expecting: $er" 2
|
||
mi_gdb_test "-var-update $name" $er $testname
|
||
}
|
||
|
||
proc mi_check_varobj_value { name value testname } {
|
||
|
||
mi_gdb_test "-var-evaluate-expression $name" \
|
||
"\\^done,value=\"$value\"" \
|
||
$testname
|
||
}
|
||
|
||
# Check the results of the:
|
||
#
|
||
# -var-list-children VARNAME
|
||
#
|
||
# command. The CHILDREN parement should be a list of lists.
|
||
# Each inner list can have either 3 or 4 elements, describing
|
||
# fields that gdb is expected to report for child variable object,
|
||
# in the following order
|
||
#
|
||
# - Name
|
||
# - Expression
|
||
# - Number of children
|
||
# - Type
|
||
#
|
||
# If inner list has 3 elements, the gdb is expected to output no
|
||
# type for a child.
|
||
#
|
||
proc mi_list_varobj_children { varname children testname } {
|
||
|
||
set numchildren [llength $children]
|
||
set children_exp {}
|
||
set whatever "\"\[^\"\]+\""
|
||
|
||
foreach item $children {
|
||
|
||
set name [lindex $item 0]
|
||
set exp [lindex $item 1]
|
||
set numchild [lindex $item 2]
|
||
if {[llength $item] == 4} {
|
||
set type [lindex $item 3]
|
||
|
||
lappend children_exp\
|
||
"child={name=\"$name\",exp=\"$exp\",numchild=\"$numchild\",type=\"$type\"}"
|
||
} else {
|
||
lappend children_exp\
|
||
"child={name=\"$name\",exp=\"$exp\",numchild=\"$numchild\"}"
|
||
}
|
||
}
|
||
set children_exp_j [join $children_exp ","]
|
||
set expected "\\^done,numchild=\"$numchildren\",children=\\\[$children_exp_j\\\]"
|
||
|
||
verbose -log "Expecting: $expected"
|
||
|
||
mi_gdb_test "-var-list-children $varname" $expected $testname
|
||
}
|
||
|
||
# A list of two-element lists. First element of each list is
|
||
# a Tcl statement, and the second element is the line
|
||
# number of source C file where the statement originates.
|
||
set mi_autotest_data ""
|
||
# The name of the source file for autotesting.
|
||
set mi_autotest_source ""
|
||
|
||
proc count_newlines { string } {
|
||
return [regexp -all "\n" $string]
|
||
}
|
||
|
||
# Prepares for running inline tests in FILENAME.
|
||
# See comments for mi_run_inline_test for detailed
|
||
# explanation of the idea and syntax.
|
||
proc mi_prepare_inline_tests { filename } {
|
||
|
||
global srcdir
|
||
global subdir
|
||
global mi_autotest_source
|
||
global mi_autotest_data
|
||
|
||
set mi_autotest_data {}
|
||
|
||
set mi_autotest_source $filename
|
||
|
||
if { ! [regexp "^/" "$filename"] } then {
|
||
set filename "$srcdir/$subdir/$filename"
|
||
}
|
||
|
||
set chan [open $filename]
|
||
set content [read $chan]
|
||
set line_number 1
|
||
while {1} {
|
||
set start [string first "/*:" $content]
|
||
if {$start != -1} {
|
||
set end [string first ":*/" $content]
|
||
if {$end == -1} {
|
||
error "Unterminated special comment in $filename"
|
||
}
|
||
|
||
set prefix [string range $content 0 $start]
|
||
set prefix_newlines [count_newlines $prefix]
|
||
|
||
set line_number [expr $line_number+$prefix_newlines]
|
||
set comment_line $line_number
|
||
|
||
set comment [string range $content [expr $start+3] [expr $end-1]]
|
||
|
||
set comment_newlines [count_newlines $comment]
|
||
set line_number [expr $line_number+$comment_newlines]
|
||
|
||
set comment [string trim $comment]
|
||
set content [string range $content [expr $end+3] \
|
||
[string length $content]]
|
||
lappend mi_autotest_data [list $comment $comment_line]
|
||
} else {
|
||
break
|
||
}
|
||
}
|
||
close $chan
|
||
}
|
||
|
||
# Helper to mi_run_inline_test below.
|
||
# Return the list of all (statement,line_number) lists
|
||
# that comprise TESTCASE. The begin and end markers
|
||
# are not included.
|
||
proc mi_get_inline_test {testcase} {
|
||
|
||
global mi_gdb_prompt
|
||
global mi_autotest_data
|
||
global mi_autotest_source
|
||
|
||
set result {}
|
||
|
||
set seen_begin 0
|
||
set seen_end 0
|
||
foreach l $mi_autotest_data {
|
||
|
||
set comment [lindex $l 0]
|
||
|
||
if {$comment == "BEGIN: $testcase"} {
|
||
set seen_begin 1
|
||
} elseif {$comment == "END: $testcase"} {
|
||
set seen_end 1
|
||
break
|
||
} elseif {$seen_begin==1} {
|
||
lappend result $l
|
||
}
|
||
}
|
||
|
||
if {$seen_begin == 0} {
|
||
error "Autotest $testcase not found"
|
||
}
|
||
|
||
if {$seen_begin == 1 && $seen_end == 0} {
|
||
error "Missing end marker for test $testcase"
|
||
}
|
||
|
||
return $result
|
||
}
|
||
|
||
# Sets temporary breakpoint at LOCATION.
|
||
proc mi_tbreak {location} {
|
||
|
||
global mi_gdb_prompt
|
||
|
||
mi_gdb_test "-break-insert -t $location" \
|
||
{\^done,bkpt=.*} \
|
||
"run to $location (set breakpoint)"
|
||
}
|
||
|
||
# Send COMMAND that must be a command that resumes
|
||
# the inferiour (run/continue/next/etc) and consumes
|
||
# the "^running" output from it.
|
||
proc mi_send_resuming_command {command test} {
|
||
|
||
global mi_gdb_prompt
|
||
|
||
send_gdb "220-$command\n"
|
||
gdb_expect {
|
||
-re "220\\^running\r\n${mi_gdb_prompt}" {
|
||
}
|
||
timeout {
|
||
fail $test
|
||
}
|
||
}
|
||
}
|
||
|
||
# Helper to mi_run_inline_test below.
|
||
# Sets a temporary breakpoint at LOCATION and runs
|
||
# the program using COMMAND. When the program is stopped
|
||
# returns the line at which it. Returns -1 if line cannot
|
||
# be determined.
|
||
# Does not check that the line is the same as requested.
|
||
# The caller can check itself if required.
|
||
proc mi_continue_to_line {location command} {
|
||
|
||
mi_tbreak $location
|
||
mi_send_resuming_command "exec-continue" "run to $location (exec-continue)"
|
||
return [mi_wait_for_stop]
|
||
}
|
||
|
||
# Wait until gdb prints the current line.
|
||
proc mi_wait_for_stop {test} {
|
||
|
||
global mi_gdb_prompt
|
||
|
||
gdb_expect {
|
||
-re ".*line=\"(.*)\".*\r\n$mi_gdb_prompt$" {
|
||
return $expect_out(1,string)
|
||
}
|
||
-re ".*$mi_gdb_prompt$" {
|
||
fail "wait for stop ($test)"
|
||
}
|
||
timeout {
|
||
fail "wait for stop ($test)"
|
||
}
|
||
}
|
||
}
|
||
|
||
# Run a MI test embedded in comments in a C file.
|
||
# The C file should contain special comments in the following
|
||
# three forms:
|
||
#
|
||
# /*: BEGIN: testname :*/
|
||
# /*: <Tcl statements> :*/
|
||
# /*: END: testname :*/
|
||
#
|
||
# This procedure find the begin and end marker for the requested
|
||
# test. Then, a temporary breakpoint is set at the begin
|
||
# marker and the program is run (from start).
|
||
#
|
||
# After that, for each special comment between the begin and end
|
||
# marker, the Tcl statements are executed. It is assumed that
|
||
# for each comment, the immediately preceding line is executable
|
||
# C statement. Then, gdb will be single-stepped until that
|
||
# preceding C statement is executed, and after that the
|
||
# Tcl statements in the comment will be executed.
|
||
#
|
||
# For example:
|
||
#
|
||
# /*: BEGIN: assignment-test :*/
|
||
# v = 10;
|
||
# /*: <Tcl code to check that 'v' is indeed 10 :*/
|
||
# /*: END: assignment-test :*/
|
||
#
|
||
# The mi_prepare_inline_tests function should be called before
|
||
# calling this function. A given C file can contain several
|
||
# inline tests. The names of the tests must be unique within one
|
||
# C file.
|
||
#
|
||
proc mi_run_inline_test { testcase } {
|
||
|
||
global mi_gdb_prompt
|
||
global hex
|
||
global decimal
|
||
global fullname_syntax
|
||
global mi_autotest_source
|
||
|
||
set commands [mi_get_inline_test $testcase]
|
||
|
||
set first 1
|
||
set line_now 1
|
||
|
||
foreach c $commands {
|
||
set statements [lindex $c 0]
|
||
set line [lindex $c 1]
|
||
set line [expr $line-1]
|
||
|
||
# We want gdb to be stopped at the expression immediately
|
||
# before the comment. If this is the first comment, the
|
||
# program is either not started yet or is in some random place,
|
||
# so we run it. For further comments, we might be already
|
||
# standing at the right line. If not continue till the
|
||
# right line.
|
||
|
||
if {$first==1} {
|
||
# Start the program afresh.
|
||
mi_tbreak "$mi_autotest_source:$line"
|
||
mi_run_cmd
|
||
set line_now [mi_wait_for_stop "$testcase: step to $line"]
|
||
set first 0
|
||
} elseif {$line_now!=$line} {
|
||
set line_now [mi_continue_to_line "$mi_autotest_source:$line"]
|
||
}
|
||
|
||
if {$line_now!=$line} {
|
||
fail "$testcase: go to line $line"
|
||
}
|
||
|
||
# We're not at the statement right above the comment.
|
||
# Execute that statement so that the comment can test
|
||
# the state after the statement is executed.
|
||
|
||
# Single-step past the line.
|
||
mi_send_resuming_command "exec-next" "$testcase: step over $line"
|
||
set line_now [mi_wait_for_stop "$testcase: step over $line"]
|
||
|
||
# We probably want to use 'uplevel' so that statements
|
||
# have direct access to global variables that the
|
||
# main 'exp' file has set up. But it's not yet clear,
|
||
# will need more experience to be sure.
|
||
eval $statements
|
||
}
|
||
}
|