788 lines
21 KiB
Text
788 lines
21 KiB
Text
# Copyright 1999, 2000 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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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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# start gdb -- start gdb running, default procedure
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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 { } {
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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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# 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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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 $GDB failed."
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return 1;
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}
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gdb_expect {
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-re ".*$mi_gdb_prompt$" {
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verbose "GDB initialized."
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}
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-re ".*$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$" {
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verbose "Setting width to 0." 2
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}
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timeout {
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warning "Couldn't set the width to 0."
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}
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}
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return 0;
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}
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# Many of the tests depend on setting breakpoints at various places and
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# running until that breakpoint is reached. At times, we want to start
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# with a clean-slate with respect to breakpoints, so this utility proc
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# lets us do this without duplicating this code everywhere.
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#
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proc mi_delete_breakpoints {} {
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global mi_gdb_prompt
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# FIXME: The mi operation won't accept a prompt back and will use the 'all' arg
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send_gdb "102-break-delete\n"
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gdb_expect 30 {
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-re "Delete all breakpoints.*y or n.*$" {
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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 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 suppress_flag
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if { $suppress_flag } {
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return
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}
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if [is_remote host] {
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return "";
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}
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send_gdb "104-environment-directory\n"
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gdb_expect 60 {
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-re ".*Reinitialize source path to empty.*y or n. " {
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warning "Got confirmation prompt for dir reinitialization."
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send_gdb "y\n"
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gdb_expect 60 {
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-re "$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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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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#
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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 } {
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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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upvar timeout timeout
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# ``gdb_unload''
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# ``gdb_file_cmd''
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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 $GDB"
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# All OK
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}
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-re "has no symbol-table.*$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 "A program is being debugged already.*Kill it.*y or n. $" {
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send_gdb "y\n"
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verbose "\t\tKilling previous program being debugged"
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exp_continue
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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 are just giving the prompt back for now
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# All OK
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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.
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perror "couldn't load $arg into $GDB (end of file)."
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return -1
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}
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}
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# ``load''
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if { [info procs send_target_sid] != "" } {
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# For SID, things get complex
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send_target_sid
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gdb_expect 60 {
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-re "\\^done,.*$mi_gdb_prompt$" {
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}
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timeout {
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perror "Unable to connect to SID target"
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return -1
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}
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}
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send_gdb "48-target-download\n"
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gdb_expect 10 {
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-re "48\\^done.*$mi_gdb_prompt$" {
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}
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timeout {
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perror "Unable to download to SID target"
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return -1
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}
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}
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} elseif { [target_info protocol] == "sim" } {
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# For the simulator, just connect to it directly.
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send_gdb "47-target-select sim\n"
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gdb_expect 10 {
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-re "47\\^connected.*$mi_gdb_prompt$" {
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}
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timeout {
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perror "Unable to select sim target"
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return -1
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}
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}
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send_gdb "48-target-download\n"
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gdb_expect 10 {
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-re "48\\^done.*$mi_gdb_prompt$" {
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}
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timeout {
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perror "Unable to download to sim target"
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return -1
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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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# mi_gdb_test COMMAND PATTERN MESSAGE -- send a command to gdb; test the result.
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#
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# COMMAND is the command to execute, send to GDB with send_gdb. If
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# this is the null string no command is sent.
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# PATTERN is the pattern to match for a PASS, and must NOT include
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# the \r\n sequence immediately before the gdb prompt.
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# MESSAGE is an optional message to be printed. If this is
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# omitted, then the pass/fail messages use the command string as the
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# message. (If this is the empty string, then sometimes we don't
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# call pass or fail at all; I don't understand this at all.)
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#
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# Returns:
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# 1 if the test failed,
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# 0 if the test passes,
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# -1 if there was an internal error.
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#
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proc mi_gdb_test { args } {
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global verbose
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global mi_gdb_prompt
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global GDB
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upvar timeout timeout
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if [llength $args]>2 then {
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set message [lindex $args 2]
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} else {
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set message [lindex $args 0]
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}
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set command [lindex $args 0]
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set pattern [lindex $args 1]
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if [llength $args]==5 {
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set question_string [lindex $args 3];
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set response_string [lindex $args 4];
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} else {
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set question_string "^FOOBAR$"
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}
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if $verbose>2 then {
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send_user "Sending \"$command\" to gdb\n"
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send_user "Looking to match \"$pattern\"\n"
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send_user "Message is \"$message\"\n"
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}
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set result -1
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set string "${command}\n";
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if { $command != "" } {
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while { "$string" != "" } {
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set foo [string first "\n" "$string"];
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set len [string length "$string"];
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if { $foo < [expr $len - 1] } {
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set str [string range "$string" 0 $foo];
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if { [send_gdb "$str"] != "" } {
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global suppress_flag;
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if { ! $suppress_flag } {
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perror "Couldn't send $command to GDB.";
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}
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fail "$message";
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return $result;
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}
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gdb_expect 2 {
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-re "\[\r\n\]" { }
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timeout { }
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}
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set string [string range "$string" [expr $foo + 1] end];
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} else {
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break;
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}
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}
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if { "$string" != "" } {
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if { [send_gdb "$string"] != "" } {
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global suppress_flag;
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if { ! $suppress_flag } {
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perror "Couldn't send $command to GDB.";
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}
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fail "$message";
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return $result;
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}
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}
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}
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if [info exists timeout] {
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set tmt $timeout;
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} else {
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global timeout;
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if [info exists timeout] {
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set tmt $timeout;
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} else {
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set tmt 60;
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}
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}
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gdb_expect $tmt {
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-re "\\*\\*\\* DOSEXIT code.*" {
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if { $message != "" } {
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fail "$message";
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}
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gdb_suppress_entire_file "GDB died";
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return -1;
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}
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-re "Ending remote debugging.*$mi_gdb_prompt\[ \]*$" {
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if ![isnative] then {
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warning "Can`t communicate to remote target."
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}
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gdb_exit
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gdb_start
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set result -1
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}
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-re "(${question_string})$" {
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send_gdb "$response_string\n";
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exp_continue;
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}
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-re "Undefined.* command:.*$mi_gdb_prompt\[ \]*$" {
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perror "Undefined command \"$command\"."
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fail "$message"
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set result 1
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}
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-re "Ambiguous command.*$mi_gdb_prompt\[ \]*$" {
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perror "\"$command\" is not a unique command name."
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fail "$message"
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set result 1
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}
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-re "\[\r\n\]*($pattern)\[\r\n\]+$mi_gdb_prompt\[ \]*$" {
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if ![string match "" $message] then {
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pass "$message"
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}
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set result 0
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}
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-re "Program exited with code \[0-9\]+.*$mi_gdb_prompt\[ \]*$" {
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if ![string match "" $message] then {
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set errmsg "$message: the program exited"
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} else {
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set errmsg "$command: the program exited"
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}
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fail "$errmsg"
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return -1
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}
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-re "The program is not being run.*$mi_gdb_prompt\[ \]*$" {
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if ![string match "" $message] then {
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set errmsg "$message: the program is no longer running"
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} else {
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set errmsg "$command: the program is no longer running"
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}
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fail "$errmsg"
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return -1
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}
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-re ".*$mi_gdb_prompt\[ \]*$" {
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if ![string match "" $message] then {
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fail "$message"
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}
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set result 1
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}
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"<return>" {
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send_gdb "\n"
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perror "Window too small."
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fail "$message"
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}
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-re "\\(y or n\\) " {
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send_gdb "n\n"
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perror "Got interactive prompt."
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fail "$message"
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}
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eof {
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perror "Process no longer exists"
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if { $message != "" } {
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fail "$message"
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|
}
|
|
return -1
|
|
}
|
|
full_buffer {
|
|
perror "internal buffer is full."
|
|
fail "$message"
|
|
}
|
|
timeout {
|
|
if ![string match "" $message] then {
|
|
fail "$message (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 "Continu\[^\r\n\]*\[\r\n\]" {}
|
|
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*stopping,...(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 mi_gdb_prompt
|
|
global hex
|
|
global decimal
|
|
global srcdir
|
|
global subdir
|
|
global binfile
|
|
global srcfile
|
|
|
|
set test "mi run-to-main"
|
|
mi_delete_breakpoints
|
|
mi_gdb_reinitialize_dir $srcdir/$subdir
|
|
mi_gdb_load ${binfile}
|
|
|
|
mi_gdb_test "200-break-insert main" \
|
|
"200\\^done,bkpt=\{number=\"1\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"main\",file=\".*\",line=\"\[0-9\]*\",times=\"0\"\}" \
|
|
"breakpoint at main"
|
|
|
|
mi_run_cmd
|
|
gdb_expect {
|
|
-re "000\\*stopped,reason=\"breakpoint-hit\",bkptno=\"1\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\"main\",args=\(\\\[\\\]\|\{\}\),file=\".*\",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
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
# Next to the next statement
|
|
|
|
proc mi_next { test } {
|
|
global suppress_flag
|
|
if { $suppress_flag } {
|
|
return -1
|
|
}
|
|
global mi_gdb_prompt
|
|
send_gdb "220-exec-next\n"
|
|
gdb_expect {
|
|
-re "220\\^running\r\n${mi_gdb_prompt}220\\*stopped,reason=\"end-stepping-range\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\".*\",args=\[\\\[\{].*[\\\]\}\],file=\".*\",line=\"\[0-9\]*\"\}\r\n$mi_gdb_prompt$" {
|
|
pass "$test"
|
|
return 0
|
|
}
|
|
timeout {
|
|
fail "$test"
|
|
return -1
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
# Step to the next statement
|
|
|
|
proc mi_step { test } {
|
|
global suppress_flag
|
|
if { $suppress_flag } {
|
|
return -1
|
|
}
|
|
global mi_gdb_prompt
|
|
send_gdb "220-exec-step\n"
|
|
gdb_expect {
|
|
-re "220\\^running\r\n${mi_gdb_prompt}220\\*stopped,reason=\"end-stepping-range\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\".*\",args=\[\\\[\{\].*\[\\\]\}\],file=\".*\",line=\"\[0-9\]*\"\}\r\n$mi_gdb_prompt$" {
|
|
pass "$test"
|
|
return 0
|
|
}
|
|
timeout {
|
|
fail "$test"
|
|
return -1
|
|
}
|
|
}
|
|
}
|
|
|
|
# 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_run_to_helper { cmd reason func args file line extra test } {
|
|
global suppress_flag
|
|
if { $suppress_flag } {
|
|
return -1
|
|
}
|
|
global mi_gdb_prompt
|
|
global hex
|
|
global decimal
|
|
send_gdb "220-$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=\".*$file\",line=\"$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=\".*\",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_run_to { cmd reason func args file line extra test } {
|
|
mi_run_to_helper "$cmd" "$reason" "$func" "\\\[$args\\\]" \
|
|
"$file" "$line" "$extra" "$test"
|
|
}
|
|
|
|
proc mi_next_to { func args file line test } {
|
|
mi_run_to "exec-next" "end-stepping-range" "$func" "$args" \
|
|
"$file" "$line" "" "$test"
|
|
}
|
|
|
|
proc mi_step_to { func args file line test } {
|
|
mi_run_to "exec-step" "end-stepping-range" "$func" "$args" \
|
|
"$file" "$line" "" "$test"
|
|
}
|
|
|
|
proc mi_finish_to { func args file line result ret test } {
|
|
mi_run_to "exec-finish" "function-finished" "$func" "$args" \
|
|
"$file" "$line" \
|
|
",gdb-result-var=\"$result\",return-value=\"$ret\"" \
|
|
"$test"
|
|
}
|
|
|
|
proc mi_continue_to { bkptno func args file line test } {
|
|
mi_run_to "exec-continue" "breakpoint-hit\",bkptno=\"$bkptno" \
|
|
"$func" "$args" "$file" "$line" "" "$test"
|
|
}
|
|
|
|
proc mi0_run_to { cmd reason func args file line extra test } {
|
|
mi_run_to_helper "$cmd" "$reason" "$func" "\{$args\}" \
|
|
"$file" "$line" "$extra" "$test"
|
|
}
|
|
|
|
proc mi0_next_to { func args file line test } {
|
|
mi0_run_to "exec-next" "end-stepping-range" "$func" "$args" \
|
|
"$file" "$line" "" "$test"
|
|
}
|
|
|
|
proc mi0_step_to { func args file line test } {
|
|
mi0_run_to "exec-step" "end-stepping-range" "$func" "$args" \
|
|
"$file" "$line" "" "$test"
|
|
}
|
|
|
|
proc mi0_finish_to { func args file line result ret test } {
|
|
mi0_run_to "exec-finish" "function-finished" "$func" "$args" \
|
|
"$file" "$line" \
|
|
",gdb-result-var=\"$result\",return-value=\"$ret\"" \
|
|
"$test"
|
|
}
|
|
|
|
proc mi0_continue_to { bkptno func args file line test } {
|
|
mi0_run_to "exec-continue" "breakpoint-hit\",bkptno=\"$bkptno" \
|
|
"$func" "$args" "$file" "$line" "" "$test"
|
|
}
|