1642 lines
42 KiB
Plaintext
1642 lines
42 KiB
Plaintext
# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
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# Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Fred Fish. (fnf@cygnus.com)
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# Generic gdb subroutines that should work for any target. If these
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# need to be modified for any target, it can be done with a variable
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# or by passing arguments.
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load_lib libgloss.exp
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global GDB
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global CHILL_LIB
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global CHILL_RT0
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if ![info exists CHILL_LIB] {
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set CHILL_LIB [findfile $base_dir/../../gcc/ch/runtime/libchill.a "$base_dir/../../gcc/ch/runtime/libchill.a" [transform -lchill]]
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}
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verbose "using CHILL_LIB = $CHILL_LIB" 2
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if ![info exists CHILL_RT0] {
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set CHILL_RT0 [findfile $base_dir/../../gcc/ch/runtime/chillrt0.o "$base_dir/../../gcc/ch/runtime/chillrt0.o" ""]
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}
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verbose "using CHILL_RT0 = $CHILL_RT0" 2
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if [info exists TOOL_EXECUTABLE] {
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set GDB $TOOL_EXECUTABLE;
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}
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if ![info exists GDB] {
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if ![is_remote host] {
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set GDB [findfile $base_dir/../../gdb/gdb "$base_dir/../../gdb/gdb" [transform gdb]]
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} else {
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set GDB [transform gdb];
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}
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}
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verbose "using GDB = $GDB" 2
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global GDBFLAGS
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if ![info exists GDBFLAGS] {
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set GDBFLAGS "-nx"
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}
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verbose "using GDBFLAGS = $GDBFLAGS" 2
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# The variable gdb_prompt is a regexp which matches the gdb prompt.
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# Set it if it is not already set.
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global gdb_prompt
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if ![info exists gdb_prompt] then {
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set gdb_prompt "\[(\]gdb\[)\]"
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}
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# Needed for some tests under Cygwin.
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global EXEEXT
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global env
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if ![info exists env(EXEEXT)] {
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set EXEEXT ""
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} else {
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set EXEEXT $env(EXEEXT)
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}
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### Only procedures should come after this point.
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#
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# gdb_version -- extract and print the version number of GDB
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#
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proc default_gdb_version {} {
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global GDB
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global GDBFLAGS
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global gdb_prompt
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set fileid [open "gdb_cmd" w];
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puts $fileid "q";
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close $fileid;
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set cmdfile [remote_download host "gdb_cmd"];
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set output [remote_exec host "$GDB -nw --command $cmdfile"]
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remote_file build delete "gdb_cmd";
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remote_file host delete "$cmdfile";
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set tmp [lindex $output 1];
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set version ""
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regexp " \[0-9\]\[^ \t\n\r\]+" "$tmp" version
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if ![is_remote host] {
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clone_output "[which $GDB] version $version $GDBFLAGS\n"
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} else {
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clone_output "$GDB on remote host version $version $GDBFLAGS\n"
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}
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}
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proc gdb_version { } {
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return [default_gdb_version];
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}
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#
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# gdb_unload -- unload a file if one is loaded
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#
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proc gdb_unload {} {
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global verbose
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global GDB
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global gdb_prompt
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send_gdb "file\n"
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gdb_expect 60 {
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-re "No executable file now\[^\r\n\]*\[\r\n\]" { exp_continue }
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-re "No symbol file now\[^\r\n\]*\[\r\n\]" { exp_continue }
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-re "A program is being debugged already..*Kill it.*y or n. $"\
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{ send_gdb "y\n"
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verbose "\t\tKilling previous program being debugged"
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exp_continue
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}
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-re "Discard symbol table from .*y or n.*$" {
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send_gdb "y\n"
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exp_continue
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}
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-re "$gdb_prompt $" {}
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timeout {
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perror "couldn't unload file in $GDB (timed out)."
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return -1
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}
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}
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}
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# Many of the tests depend on setting breakpoints at various places and
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# running until that breakpoint is reached. At times, we want to start
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# with a clean-slate with respect to breakpoints, so this utility proc
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# lets us do this without duplicating this code everywhere.
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#
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proc delete_breakpoints {} {
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global gdb_prompt
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# we need a larger timeout value here or this thing just confuses
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# itself. May need a better implementation if possible. - guo
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#
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send_gdb "delete breakpoints\n"
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gdb_expect 100 {
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-re "Delete all breakpoints.*y or n.*$" {
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send_gdb "y\n";
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exp_continue
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}
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-re "$gdb_prompt $" { # This happens if there were no breakpoints
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}
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timeout { perror "Delete all breakpoints in delete_breakpoints (timeout)" ; return }
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}
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send_gdb "info breakpoints\n"
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gdb_expect 100 {
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-re "No breakpoints or watchpoints..*$gdb_prompt $" {}
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-re "$gdb_prompt $" { perror "breakpoints not deleted" ; return }
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-re "Delete all breakpoints.*or n.*$" {
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send_gdb "y\n";
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exp_continue
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}
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timeout { perror "info breakpoints (timeout)" ; return }
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}
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}
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#
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# Generic run command.
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#
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# The second pattern below matches up to the first newline *only*.
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# Using ``.*$'' could swallow up output that we attempt to match
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# elsewhere.
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#
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proc gdb_run_cmd {args} {
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global gdb_prompt
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if [target_info exists gdb_init_command] {
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send_gdb "[target_info gdb_init_command]\n";
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gdb_expect 30 {
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-re "$gdb_prompt $" { }
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default {
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perror "gdb_init_command for target failed";
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return;
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}
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}
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}
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if [target_info exists use_gdb_stub] {
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if [target_info exists gdb,do_reload_on_run] {
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# Specifying no file, defaults to the executable
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# currently being debugged.
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if { [gdb_load ""] < 0 } {
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return;
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}
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send_gdb "continue\n";
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gdb_expect 60 {
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-re "Continu\[^\r\n\]*\[\r\n\]" {}
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default {}
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}
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return;
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}
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if [target_info exists gdb,start_symbol] {
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set start [target_info gdb,start_symbol];
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} else {
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set start "start";
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}
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send_gdb "jump *$start\n"
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set start_attempt 1;
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while { $start_attempt } {
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# Cap (re)start attempts at three to ensure that this loop
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# always eventually fails. Don't worry about trying to be
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# clever and not send a command when it has failed.
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if [expr $start_attempt > 3] {
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perror "Jump to start() failed (retry count exceeded)";
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return;
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}
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set start_attempt [expr $start_attempt + 1];
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gdb_expect 30 {
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-re "Continuing at \[^\r\n\]*\[\r\n\]" {
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set start_attempt 0;
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}
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-re "No symbol \"_start\" in current.*$gdb_prompt $" {
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perror "Can't find start symbol to run in gdb_run";
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return;
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}
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-re "No symbol \"start\" in current.*$gdb_prompt $" {
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send_gdb "jump *_start\n";
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}
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-re "No symbol.*context.*$gdb_prompt $" {
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set start_attempt 0;
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}
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-re "Line.* Jump anyway.*y or n. $" {
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send_gdb "y\n"
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}
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-re "The program is not being run.*$gdb_prompt $" {
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if { [gdb_load ""] < 0 } {
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return;
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}
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send_gdb "jump *$start\n";
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}
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timeout {
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perror "Jump to start() failed (timeout)";
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return
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}
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}
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}
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if [target_info exists gdb_stub] {
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gdb_expect 60 {
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-re "$gdb_prompt $" {
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send_gdb "continue\n"
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}
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}
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}
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return
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}
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send_gdb "run $args\n"
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# This doesn't work quite right yet.
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gdb_expect 60 {
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-re "The program .* has been started already.*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 "Starting program: \[^\r\n\]*" {}
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}
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}
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proc gdb_breakpoint { function } {
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global gdb_prompt
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global decimal
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send_gdb "break $function\n"
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# The first two regexps are what we get with -g, the third is without -g.
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gdb_expect 30 {
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-re "Breakpoint \[0-9\]* at .*: file .*, line $decimal.\r\n$gdb_prompt $" {}
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-re "Breakpoint \[0-9\]*: file .*, line $decimal.\r\n$gdb_prompt $" {}
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-re "Breakpoint \[0-9\]* at .*$gdb_prompt $" {}
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-re "$gdb_prompt $" { fail "setting breakpoint at $function" ; return 0 }
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timeout { fail "setting breakpoint at $function (timeout)" ; return 0 }
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}
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return 1;
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}
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# Set breakpoint at function and run gdb until it breaks there.
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# Since this is the only breakpoint that will be set, if it stops
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# at a breakpoint, we will assume it is the one we want. We can't
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# just compare to "function" because it might be a fully qualified,
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# single quoted C++ function specifier.
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proc runto { function } {
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global gdb_prompt
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global decimal
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delete_breakpoints
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if ![gdb_breakpoint $function] {
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return 0;
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}
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gdb_run_cmd
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# the "at foo.c:36" output we get with -g.
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# the "in func" output we get without -g.
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gdb_expect 30 {
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-re "Break.* at .*:$decimal.*$gdb_prompt $" {
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return 1
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}
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-re "Breakpoint \[0-9\]*, \[0-9xa-f\]* in .*$gdb_prompt $" {
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return 1
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}
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-re "$gdb_prompt $" {
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fail "running to $function in runto"
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return 0
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}
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timeout {
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fail "running to $function in runto (timeout)"
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return 0
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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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# runto_main -- ask gdb to run until we hit a breakpoint at main.
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# The case where the target uses stubs has to be handled
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# specially--if it uses stubs, assuming we hit
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# breakpoint() and just step out of the function.
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#
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proc runto_main { } {
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global gdb_prompt
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global decimal
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if ![target_info exists gdb_stub] {
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return [runto main]
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}
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delete_breakpoints
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gdb_step_for_stub;
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return 1
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}
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### Continue, and expect to hit a breakpoint.
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### Report a pass or fail, depending on whether it seems to have
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### worked. Use NAME as part of the test name; each call to
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### continue_to_breakpoint should use a NAME which is unique within
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### that test file.
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proc gdb_continue_to_breakpoint {name} {
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global gdb_prompt
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set full_name "continue to breakpoint: $name"
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send_gdb "continue\n"
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gdb_expect {
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-re "Breakpoint .* at .*\r\n$gdb_prompt $" {
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pass $full_name
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}
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-re ".*$gdb_prompt $" {
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fail $full_name
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}
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timeout {
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fail "$full_name (timeout)"
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}
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}
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}
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# gdb_test COMMAND PATTERN MESSAGE QUESTION RESPONSE
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# 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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# QUESTION is a question GDB may ask in response to COMMAND, like
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# "are you sure?"
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# RESPONSE is the response to send if QUESTION appears.
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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 gdb_test { args } {
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global verbose
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global 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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||
# since we're checking if each line of the multi-line
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# command are 'accepted' by GDB here,
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# we need to set -notransfer expect option so that
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# command output is not lost for pattern matching
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# - guo
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gdb_expect -notransfer 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;
|
||
}
|
||
}
|
||
}
|
||
|
||
if [target_info exists gdb,timeout] {
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set tmt [target_info gdb,timeout];
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} else {
|
||
if [info exists timeout] {
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set tmt $timeout;
|
||
} else {
|
||
global timeout;
|
||
if [info exists timeout] {
|
||
set tmt $timeout;
|
||
} else {
|
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set tmt 60;
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}
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||
}
|
||
}
|
||
gdb_expect $tmt {
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-re "\\*\\*\\* DOSEXIT code.*" {
|
||
if { $message != "" } {
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fail "$message";
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||
}
|
||
gdb_suppress_entire_file "GDB died";
|
||
return -1;
|
||
}
|
||
-re "Ending remote debugging.*$gdb_prompt $" {
|
||
if ![isnative] then {
|
||
warning "Can`t communicate to remote target."
|
||
}
|
||
gdb_exit
|
||
gdb_start
|
||
set result -1
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||
}
|
||
-re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
|
||
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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||
}
|
||
-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\[a-z\]* command:.*$gdb_prompt $" {
|
||
perror "Undefined command \"$command\"."
|
||
fail "$message"
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||
set result 1
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||
}
|
||
-re "Ambiguous command.*$gdb_prompt $" {
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||
perror "\"$command\" is not a unique command name."
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||
fail "$message"
|
||
set result 1
|
||
}
|
||
-re "Program exited with code \[0-9\]+.*$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.*$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 ".*$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
|
||
}
|
||
}
|
||
return $result
|
||
}
|
||
|
||
# Test that a command gives an error. For pass or fail, return
|
||
# a 1 to indicate that more tests can proceed. However a timeout
|
||
# is a serious error, generates a special fail message, and causes
|
||
# a 0 to be returned to indicate that more tests are likely to fail
|
||
# as well.
|
||
|
||
proc test_print_reject { args } {
|
||
global gdb_prompt
|
||
global verbose
|
||
|
||
if [llength $args]==2 then {
|
||
set expectthis [lindex $args 1]
|
||
} else {
|
||
set expectthis "should never match this bogus string"
|
||
}
|
||
set sendthis [lindex $args 0]
|
||
if $verbose>2 then {
|
||
send_user "Sending \"$sendthis\" to gdb\n"
|
||
send_user "Looking to match \"$expectthis\"\n"
|
||
}
|
||
send_gdb "$sendthis\n"
|
||
#FIXME: Should add timeout as parameter.
|
||
gdb_expect {
|
||
-re "A .* in expression.*\\.*$gdb_prompt $" {
|
||
pass "reject $sendthis"
|
||
return 1
|
||
}
|
||
-re "Invalid syntax in expression.*$gdb_prompt $" {
|
||
pass "reject $sendthis"
|
||
return 1
|
||
}
|
||
-re "Junk after end of expression.*$gdb_prompt $" {
|
||
pass "reject $sendthis"
|
||
return 1
|
||
}
|
||
-re "Invalid number.*$gdb_prompt $" {
|
||
pass "reject $sendthis"
|
||
return 1
|
||
}
|
||
-re "Invalid character constant.*$gdb_prompt $" {
|
||
pass "reject $sendthis"
|
||
return 1
|
||
}
|
||
-re "No symbol table is loaded.*$gdb_prompt $" {
|
||
pass "reject $sendthis"
|
||
return 1
|
||
}
|
||
-re "No symbol .* in current context.*$gdb_prompt $" {
|
||
pass "reject $sendthis"
|
||
return 1
|
||
}
|
||
-re "$expectthis.*$gdb_prompt $" {
|
||
pass "reject $sendthis"
|
||
return 1
|
||
}
|
||
-re ".*$gdb_prompt $" {
|
||
fail "reject $sendthis"
|
||
return 1
|
||
}
|
||
default {
|
||
fail "reject $sendthis (eof or timeout)"
|
||
return 0
|
||
}
|
||
}
|
||
}
|
||
|
||
# Given an input string, adds backslashes as needed to create a
|
||
# regexp that will match the string.
|
||
|
||
proc string_to_regexp {str} {
|
||
set result $str
|
||
regsub -all {[]*+.|()^$\[]} $str {\\&} result
|
||
return $result
|
||
}
|
||
|
||
# Same as gdb_test, but the second parameter is not a regexp,
|
||
# but a string that must match exactly.
|
||
|
||
proc gdb_test_exact { args } {
|
||
upvar timeout timeout
|
||
|
||
set command [lindex $args 0]
|
||
|
||
# This applies a special meaning to a null string pattern. Without
|
||
# this, "$pattern\r\n$gdb_prompt $" will match anything, including error
|
||
# messages from commands that should have no output except a new
|
||
# prompt. With this, only results of a null string will match a null
|
||
# string pattern.
|
||
|
||
set pattern [lindex $args 1]
|
||
if [string match $pattern ""] {
|
||
set pattern [string_to_regexp [lindex $args 0]]
|
||
} else {
|
||
set pattern [string_to_regexp [lindex $args 1]]
|
||
}
|
||
|
||
# It is most natural to write the pattern argument with only
|
||
# embedded \n's, especially if you are trying to avoid Tcl quoting
|
||
# problems. But gdb_expect really wants to see \r\n in patterns. So
|
||
# transform the pattern here. First transform \r\n back to \n, in
|
||
# case some users of gdb_test_exact already do the right thing.
|
||
regsub -all "\r\n" $pattern "\n" pattern
|
||
regsub -all "\n" $pattern "\r\n" pattern
|
||
if [llength $args]==3 then {
|
||
set message [lindex $args 2]
|
||
} else {
|
||
set message $command
|
||
}
|
||
|
||
return [gdb_test $command $pattern $message]
|
||
}
|
||
|
||
proc gdb_reinitialize_dir { subdir } {
|
||
global gdb_prompt
|
||
|
||
if [is_remote host] {
|
||
return "";
|
||
}
|
||
send_gdb "dir\n"
|
||
gdb_expect 60 {
|
||
-re "Reinitialize source path to empty.*y or n. " {
|
||
send_gdb "y\n"
|
||
gdb_expect 60 {
|
||
-re "Source directories searched.*$gdb_prompt $" {
|
||
send_gdb "dir $subdir\n"
|
||
gdb_expect 60 {
|
||
-re "Source directories searched.*$gdb_prompt $" {
|
||
verbose "Dir set to $subdir"
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
perror "Dir \"$subdir\" failed."
|
||
}
|
||
}
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
perror "Dir \"$subdir\" failed."
|
||
}
|
||
}
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
perror "Dir \"$subdir\" failed."
|
||
}
|
||
}
|
||
}
|
||
|
||
#
|
||
# gdb_exit -- exit the GDB, killing the target program if necessary
|
||
#
|
||
proc default_gdb_exit {} {
|
||
global GDB
|
||
global GDBFLAGS
|
||
global verbose
|
||
global gdb_spawn_id;
|
||
|
||
gdb_stop_suppressing_tests;
|
||
|
||
if ![info exists gdb_spawn_id] {
|
||
return;
|
||
}
|
||
|
||
verbose "Quitting $GDB $GDBFLAGS"
|
||
|
||
if { [is_remote host] && [board_info host exists fileid] } {
|
||
send_gdb "quit\n";
|
||
gdb_expect 10 {
|
||
-re "y or n" {
|
||
send_gdb "y\n";
|
||
exp_continue;
|
||
}
|
||
-re "DOSEXIT code" { }
|
||
default { }
|
||
}
|
||
}
|
||
|
||
if ![is_remote host] {
|
||
remote_close host;
|
||
}
|
||
unset gdb_spawn_id
|
||
}
|
||
|
||
#
|
||
# load a file into the debugger.
|
||
# return a -1 if anything goes wrong.
|
||
#
|
||
proc gdb_file_cmd { arg } {
|
||
global verbose
|
||
global loadpath
|
||
global loadfile
|
||
global GDB
|
||
global gdb_prompt
|
||
upvar timeout timeout
|
||
|
||
if [is_remote host] {
|
||
set arg [remote_download host $arg];
|
||
if { $arg == "" } {
|
||
error "download failed"
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
send_gdb "file $arg\n"
|
||
gdb_expect 120 {
|
||
-re "Reading symbols from.*done.*$gdb_prompt $" {
|
||
verbose "\t\tLoaded $arg into the $GDB"
|
||
return 0
|
||
}
|
||
-re "has no symbol-table.*$gdb_prompt $" {
|
||
perror "$arg wasn't compiled with \"-g\""
|
||
return -1
|
||
}
|
||
-re "A program is being debugged already.*Kill it.*y or n. $" {
|
||
send_gdb "y\n"
|
||
verbose "\t\tKilling previous program being debugged"
|
||
exp_continue
|
||
}
|
||
-re "Load new symbol table from \".*\".*y or n. $" {
|
||
send_gdb "y\n"
|
||
gdb_expect 120 {
|
||
-re "Reading symbols from.*done.*$gdb_prompt $" {
|
||
verbose "\t\tLoaded $arg with new symbol table into $GDB"
|
||
return 0
|
||
}
|
||
timeout {
|
||
perror "(timeout) Couldn't load $arg, other program already loaded."
|
||
return -1
|
||
}
|
||
}
|
||
}
|
||
-re "No such file or directory.*$gdb_prompt $" {
|
||
perror "($arg) No such file or directory\n"
|
||
return -1
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
perror "couldn't load $arg into $GDB."
|
||
return -1
|
||
}
|
||
timeout {
|
||
perror "couldn't load $arg into $GDB (timed out)."
|
||
return -1
|
||
}
|
||
eof {
|
||
# This is an attempt to detect a core dump, but seems not to
|
||
# work. Perhaps we need to match .* followed by eof, in which
|
||
# gdb_expect does not seem to have a way to do that.
|
||
perror "couldn't load $arg into $GDB (end of file)."
|
||
return -1
|
||
}
|
||
}
|
||
}
|
||
|
||
#
|
||
# start gdb -- start gdb running, default procedure
|
||
#
|
||
# When running over NFS, particularly if running many simultaneous
|
||
# tests on different hosts all using the same server, things can
|
||
# get really slow. Give gdb at least 3 minutes to start up.
|
||
#
|
||
proc default_gdb_start { } {
|
||
global verbose
|
||
global GDB
|
||
global GDBFLAGS
|
||
global gdb_prompt
|
||
global timeout
|
||
global gdb_spawn_id;
|
||
|
||
gdb_stop_suppressing_tests;
|
||
|
||
verbose "Spawning $GDB -nw $GDBFLAGS"
|
||
|
||
if [info exists gdb_spawn_id] {
|
||
return 0;
|
||
}
|
||
|
||
if ![is_remote host] {
|
||
if { [which $GDB] == 0 } then {
|
||
perror "$GDB does not exist."
|
||
exit 1
|
||
}
|
||
}
|
||
set res [remote_spawn host "$GDB -nw $GDBFLAGS [host_info gdb_opts]"];
|
||
if { $res < 0 || $res == "" } {
|
||
perror "Spawning $GDB failed."
|
||
return 1;
|
||
}
|
||
gdb_expect 360 {
|
||
-re "\[\r\n\]$gdb_prompt $" {
|
||
verbose "GDB initialized."
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
perror "GDB never initialized."
|
||
return -1
|
||
}
|
||
timeout {
|
||
perror "(timeout) GDB never initialized after 10 seconds."
|
||
remote_close host;
|
||
return -1
|
||
}
|
||
}
|
||
set gdb_spawn_id -1;
|
||
# force the height to "unlimited", so no pagers get used
|
||
|
||
send_gdb "set height 0\n"
|
||
gdb_expect 10 {
|
||
-re "$gdb_prompt $" {
|
||
verbose "Setting height to 0." 2
|
||
}
|
||
timeout {
|
||
warning "Couldn't set the height to 0"
|
||
}
|
||
}
|
||
# force the width to "unlimited", so no wraparound occurs
|
||
send_gdb "set width 0\n"
|
||
gdb_expect 10 {
|
||
-re "$gdb_prompt $" {
|
||
verbose "Setting width to 0." 2
|
||
}
|
||
timeout {
|
||
warning "Couldn't set the width to 0."
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
# Return a 1 for configurations for which we don't even want to try to
|
||
# test C++.
|
||
|
||
proc skip_cplus_tests {} {
|
||
if { [istarget "d10v-*-*"] } {
|
||
return 1
|
||
}
|
||
if { [istarget "h8300-*-*"] } {
|
||
return 1
|
||
}
|
||
return 0
|
||
}
|
||
|
||
# * For crosses, the CHILL runtime doesn't build because it can't find
|
||
# setjmp.h, stdio.h, etc.
|
||
# * For AIX (as of 16 Mar 95), (a) there is no language code for
|
||
# CHILL in output_epilog in gcc/config/rs6000/rs6000.c, (b) collect2
|
||
# does not get along with AIX's too-clever linker.
|
||
# * On Irix5, there is a bug whereby set of bool, etc., don't get
|
||
# TYPE_LOW_BOUND for the bool right because force_to_range_type doesn't
|
||
# work with stub types.
|
||
# Lots of things seem to fail on the PA, and since it's not a supported
|
||
# chill target at the moment, don't run the chill tests.
|
||
|
||
proc skip_chill_tests {} {
|
||
if ![info exists do_chill_tests] {
|
||
return 1;
|
||
}
|
||
eval set skip_chill [expr ![isnative] || [istarget "*-*-aix*"] || [istarget "*-*-irix5*"] || [istarget "*-*-irix6*"] || [istarget "alpha-*-osf*"] || [istarget "hppa*-*-*"]]
|
||
verbose "Skip chill tests is $skip_chill"
|
||
return $skip_chill
|
||
}
|
||
|
||
# Skip all the tests in the file if you are not on an hppa running
|
||
# hpux target.
|
||
|
||
proc skip_hp_tests {} {
|
||
eval set skip_hp [ expr ![isnative] || ![istarget "hppa*-*-hpux*"] ]
|
||
verbose "Skip hp tests is $skip_hp"
|
||
return $skip_hp
|
||
}
|
||
|
||
proc get_compiler_info {binfile args} {
|
||
# Create and source the file that provides information about the compiler
|
||
# used to compile the test case.
|
||
# Compiler_type can be null or c++. If null we assume c.
|
||
global srcdir
|
||
global subdir
|
||
# These two come from compiler.c.
|
||
global signed_keyword_not_used
|
||
global gcc_compiled
|
||
|
||
if {![istarget "hppa*-*-hpux*"]} {
|
||
if { [llength $args] > 0 } {
|
||
if {$args == "c++"} {
|
||
if { [gdb_compile "${srcdir}/lib/compiler.cc" "${binfile}.ci" preprocess {}] != "" } {
|
||
perror "Couldn't make ${binfile}.ci file"
|
||
return 1;
|
||
}
|
||
}
|
||
} else {
|
||
if { [gdb_compile "${srcdir}/lib/compiler.c" "${binfile}.ci" preprocess {}] != "" } {
|
||
perror "Couldn't make ${binfile}.ci file"
|
||
return 1;
|
||
}
|
||
}
|
||
} else {
|
||
if { [llength $args] > 0 } {
|
||
if {$args == "c++"} {
|
||
if { [eval gdb_preprocess \
|
||
[list "${srcdir}/lib/compiler.cc" "${binfile}.ci"] \
|
||
$args] != "" } {
|
||
perror "Couldn't make ${binfile}.ci file"
|
||
return 1;
|
||
}
|
||
}
|
||
} elseif { $args != "f77" } {
|
||
if { [eval gdb_preprocess \
|
||
[list "${srcdir}/lib/compiler.c" "${binfile}.ci"] \
|
||
$args] != "" } {
|
||
perror "Couldn't make ${binfile}.ci file"
|
||
return 1;
|
||
}
|
||
}
|
||
}
|
||
|
||
uplevel \#0 { set gcc_compiled 0 }
|
||
|
||
if { [llength $args] == 0 || $args != "f77" } {
|
||
source ${binfile}.ci
|
||
}
|
||
|
||
# Most compilers will evaluate comparisons and other boolean
|
||
# operations to 0 or 1.
|
||
uplevel \#0 { set true 1 }
|
||
uplevel \#0 { set false 0 }
|
||
|
||
uplevel \#0 { set hp_cc_compiler 0 }
|
||
uplevel \#0 { set hp_aCC_compiler 0 }
|
||
uplevel \#0 { set hp_f77_compiler 0 }
|
||
uplevel \#0 { set hp_f90_compiler 0 }
|
||
if { !$gcc_compiled && [istarget "hppa*-*-hpux*"] } {
|
||
# Check for the HP compilers
|
||
set compiler [lindex [split [get_compiler $args] " "] 0]
|
||
catch "exec what $compiler" output
|
||
if [regexp ".*HP aC\\+\\+.*" $output] {
|
||
uplevel \#0 { set hp_aCC_compiler 1 }
|
||
# Use of aCC results in boolean results being displayed as
|
||
# "true" or "false"
|
||
uplevel \#0 { set true true }
|
||
uplevel \#0 { set false false }
|
||
} elseif [regexp ".*HP C Compiler.*" $output] {
|
||
uplevel \#0 { set hp_cc_compiler 1 }
|
||
} elseif [regexp ".*HP-UX f77.*" $output] {
|
||
uplevel \#0 { set hp_f77_compiler 1 }
|
||
} elseif [regexp ".*HP-UX f90.*" $output] {
|
||
uplevel \#0 { set hp_f90_compiler 1 }
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
proc get_compiler {args} {
|
||
global CC CC_FOR_TARGET CXX CXX_FOR_TARGET F77_FOR_TARGET
|
||
|
||
if { [llength $args] == 0
|
||
|| ([llength $args] == 1 && [lindex $args 0] == "") } {
|
||
set which_compiler "c"
|
||
} else {
|
||
if { $args =="c++" } {
|
||
set which_compiler "c++"
|
||
} elseif { $args =="f77" } {
|
||
set which_compiler "f77"
|
||
} else {
|
||
perror "Unknown compiler type supplied to gdb_preprocess"
|
||
return ""
|
||
}
|
||
}
|
||
|
||
if [info exists CC_FOR_TARGET] {
|
||
if {$which_compiler == "c"} {
|
||
set compiler $CC_FOR_TARGET
|
||
}
|
||
}
|
||
|
||
if [info exists CXX_FOR_TARGET] {
|
||
if {$which_compiler == "c++"} {
|
||
set compiler $CXX_FOR_TARGET
|
||
}
|
||
}
|
||
|
||
if [info exists F77_FOR_TARGET] {
|
||
if {$which_compiler == "f77"} {
|
||
set compiler $F77_FOR_TARGET
|
||
}
|
||
}
|
||
|
||
if { ![info exists compiler] } {
|
||
if { $which_compiler == "c" } {
|
||
if {[info exists CC]} {
|
||
set compiler $CC
|
||
}
|
||
}
|
||
if { $which_compiler == "c++" } {
|
||
if {[info exists CXX]} {
|
||
set compiler $CXX
|
||
}
|
||
}
|
||
if {![info exists compiler]} {
|
||
set compiler [board_info [target_info name] compiler];
|
||
if { $compiler == "" } {
|
||
perror "get_compiler: No compiler found"
|
||
return ""
|
||
}
|
||
}
|
||
}
|
||
|
||
return $compiler
|
||
}
|
||
|
||
proc gdb_preprocess {source dest args} {
|
||
set compiler [get_compiler "$args"]
|
||
if { $compiler == "" } {
|
||
return 1
|
||
}
|
||
|
||
set cmdline "$compiler -E $source > $dest"
|
||
|
||
verbose "Invoking $compiler -E $source > $dest"
|
||
verbose -log "Executing on local host: $cmdline" 2
|
||
set status [catch "exec ${cmdline}" exec_output]
|
||
|
||
set result [prune_warnings $exec_output]
|
||
regsub "\[\r\n\]*$" "$result" "" result;
|
||
regsub "^\[\r\n\]*" "$result" "" result;
|
||
if { $result != "" } {
|
||
clone_output "gdb compile failed, $result"
|
||
}
|
||
return $result;
|
||
}
|
||
|
||
proc gdb_compile {source dest type options} {
|
||
global GDB_TESTCASE_OPTIONS;
|
||
|
||
if [target_info exists gdb_stub] {
|
||
set options2 { "additional_flags=-Dusestubs" }
|
||
lappend options "libs=[target_info gdb_stub]";
|
||
set options [concat $options2 $options]
|
||
}
|
||
if [target_info exists is_vxworks] {
|
||
set options2 { "additional_flags=-Dvxworks" }
|
||
lappend options "libs=[target_info gdb_stub]";
|
||
set options [concat $options2 $options]
|
||
}
|
||
if [info exists GDB_TESTCASE_OPTIONS] {
|
||
lappend options "additional_flags=$GDB_TESTCASE_OPTIONS";
|
||
}
|
||
verbose "options are $options"
|
||
verbose "source is $source $dest $type $options"
|
||
|
||
set result [target_compile $source $dest $type $options];
|
||
regsub "\[\r\n\]*$" "$result" "" result;
|
||
regsub "^\[\r\n\]*" "$result" "" result;
|
||
if { $result != "" } {
|
||
clone_output "gdb compile failed, $result"
|
||
}
|
||
return $result;
|
||
}
|
||
|
||
proc send_gdb { string } {
|
||
global suppress_flag;
|
||
if { $suppress_flag } {
|
||
return "suppressed";
|
||
}
|
||
return [remote_send host "$string"];
|
||
}
|
||
|
||
#
|
||
#
|
||
|
||
proc gdb_expect { args } {
|
||
# allow -notransfer expect flag specification,
|
||
# used by gdb_test routine for multi-line commands.
|
||
# packed with gtimeout when fed to remote_expect routine,
|
||
# which is a hack but due to what looks like a res and orig
|
||
# parsing problem in remote_expect routine (dejagnu/lib/remote.exp):
|
||
# what's fed into res is not removed from orig.
|
||
# - guo
|
||
if { [lindex $args 0] == "-notransfer" } {
|
||
set notransfer -notransfer;
|
||
set args [lrange $args 1 end];
|
||
} else {
|
||
set notransfer "";
|
||
}
|
||
|
||
if { [llength $args] == 2 && [lindex $args 0] != "-re" } {
|
||
set gtimeout [lindex $args 0];
|
||
set expcode [list [lindex $args 1]];
|
||
} else {
|
||
upvar timeout timeout;
|
||
|
||
set expcode $args;
|
||
if [target_info exists gdb,timeout] {
|
||
if [info exists timeout] {
|
||
if { $timeout < [target_info gdb,timeout] } {
|
||
set gtimeout [target_info gdb,timeout];
|
||
} else {
|
||
set gtimeout $timeout;
|
||
}
|
||
} else {
|
||
set gtimeout [target_info gdb,timeout];
|
||
}
|
||
}
|
||
|
||
if ![info exists gtimeout] {
|
||
global timeout;
|
||
if [info exists timeout] {
|
||
set gtimeout $timeout;
|
||
} else {
|
||
# Eeeeew.
|
||
set gtimeout 60;
|
||
}
|
||
}
|
||
}
|
||
global suppress_flag;
|
||
global remote_suppress_flag;
|
||
if [info exists remote_suppress_flag] {
|
||
set old_val $remote_suppress_flag;
|
||
}
|
||
if [info exists suppress_flag] {
|
||
if { $suppress_flag } {
|
||
set remote_suppress_flag 1;
|
||
}
|
||
}
|
||
set code [catch \
|
||
{uplevel remote_expect host "$gtimeout $notransfer" $expcode} string];
|
||
if [info exists old_val] {
|
||
set remote_suppress_flag $old_val;
|
||
} else {
|
||
if [info exists remote_suppress_flag] {
|
||
unset remote_suppress_flag;
|
||
}
|
||
}
|
||
|
||
if {$code == 1} {
|
||
global errorInfo errorCode;
|
||
|
||
return -code error -errorinfo $errorInfo -errorcode $errorCode $string
|
||
} elseif {$code == 2} {
|
||
return -code return $string
|
||
} elseif {$code == 3} {
|
||
return
|
||
} elseif {$code > 4} {
|
||
return -code $code $string
|
||
}
|
||
}
|
||
|
||
# gdb_expect_list MESSAGE SENTINEL LIST -- expect a sequence of outputs
|
||
#
|
||
# Check for long sequence of output by parts.
|
||
# MESSAGE: is the test message to be printed with the test success/fail.
|
||
# SENTINEL: Is the terminal pattern indicating that output has finished.
|
||
# LIST: is the sequence of outputs to match.
|
||
# If the sentinel is recognized early, it is considered an error.
|
||
#
|
||
# Returns:
|
||
# 1 if the test failed,
|
||
# 0 if the test passes,
|
||
# -1 if there was an internal error.
|
||
#
|
||
proc gdb_expect_list {test sentinel list} {
|
||
global gdb_prompt
|
||
global suppress_flag
|
||
set index 0
|
||
set ok 1
|
||
if { $suppress_flag } {
|
||
set ok 0
|
||
}
|
||
while { ${index} < [llength ${list}] } {
|
||
set pattern [lindex ${list} ${index}]
|
||
set index [expr ${index} + 1]
|
||
if { ${index} == [llength ${list}] } {
|
||
if { ${ok} } {
|
||
gdb_expect {
|
||
-re "${pattern}${sentinel}" {
|
||
pass "${test}, pattern ${index} + sentinel"
|
||
}
|
||
-re "${sentinel}" {
|
||
fail "${test}, pattern ${index} + sentinel"
|
||
set ok 0
|
||
}
|
||
timeout {
|
||
fail "${test}, pattern ${index} + sentinel (timeout)"
|
||
set ok 0
|
||
}
|
||
}
|
||
} else {
|
||
unresolved "${test}, pattern ${index} + sentinel"
|
||
}
|
||
} else {
|
||
if { ${ok} } {
|
||
gdb_expect {
|
||
-re "${pattern}" {
|
||
pass "${test}, pattern ${index}"
|
||
}
|
||
-re "${sentinel}" {
|
||
fail "${test}, pattern ${index}"
|
||
set ok 0
|
||
}
|
||
timeout {
|
||
fail "${test}, pattern ${index} (timeout)"
|
||
set ok 0
|
||
}
|
||
}
|
||
} else {
|
||
unresolved "${test}, pattern ${index}"
|
||
}
|
||
}
|
||
}
|
||
if { ${ok} } {
|
||
return 0
|
||
} else {
|
||
return 1
|
||
}
|
||
}
|
||
|
||
#
|
||
#
|
||
proc gdb_suppress_entire_file { reason } {
|
||
global suppress_flag;
|
||
|
||
warning "$reason\n";
|
||
set suppress_flag -1;
|
||
}
|
||
|
||
#
|
||
# Set suppress_flag, which will cause all subsequent calls to send_gdb and
|
||
# gdb_expect to fail immediately (until the next call to
|
||
# gdb_stop_suppressing_tests).
|
||
#
|
||
proc gdb_suppress_tests { args } {
|
||
global suppress_flag;
|
||
|
||
return; # fnf - disable pending review of results where
|
||
# testsuite ran better without this
|
||
incr suppress_flag;
|
||
|
||
if { $suppress_flag == 1 } {
|
||
if { [llength $args] > 0 } {
|
||
warning "[lindex $args 0]\n";
|
||
} else {
|
||
warning "Because of previous failure, all subsequent tests in this group will automatically fail.\n";
|
||
}
|
||
}
|
||
}
|
||
|
||
#
|
||
# Clear suppress_flag.
|
||
#
|
||
proc gdb_stop_suppressing_tests { } {
|
||
global suppress_flag;
|
||
|
||
if [info exists suppress_flag] {
|
||
if { $suppress_flag > 0 } {
|
||
set suppress_flag 0;
|
||
clone_output "Tests restarted.\n";
|
||
}
|
||
} else {
|
||
set suppress_flag 0;
|
||
}
|
||
}
|
||
|
||
proc gdb_clear_suppressed { } {
|
||
global suppress_flag;
|
||
|
||
set suppress_flag 0;
|
||
}
|
||
|
||
proc gdb_start { } {
|
||
default_gdb_start
|
||
}
|
||
|
||
proc gdb_exit { } {
|
||
catch default_gdb_exit
|
||
}
|
||
|
||
#
|
||
# gdb_load -- load a file into the debugger.
|
||
# return a -1 if anything goes wrong.
|
||
#
|
||
proc gdb_load { arg } {
|
||
return [gdb_file_cmd $arg]
|
||
}
|
||
|
||
proc gdb_continue { function } {
|
||
global decimal
|
||
|
||
return [gdb_test "continue" ".*Breakpoint $decimal, $function .*" "continue to $function"];
|
||
}
|
||
|
||
proc default_gdb_init { args } {
|
||
gdb_clear_suppressed;
|
||
|
||
# Uh, this is lame. Really, really, really lame. But there's this *one*
|
||
# testcase that will fail in random places if we don't increase this.
|
||
match_max -d 20000
|
||
|
||
# We want to add the name of the TCL testcase to the PASS/FAIL messages.
|
||
if { [llength $args] > 0 } {
|
||
global pf_prefix
|
||
|
||
set file [lindex $args 0];
|
||
|
||
set pf_prefix "[file tail [file dirname $file]]/[file tail $file]:";
|
||
}
|
||
global gdb_prompt;
|
||
if [target_info exists gdb_prompt] {
|
||
set gdb_prompt [target_info gdb_prompt];
|
||
} else {
|
||
set gdb_prompt "\\(gdb\\)"
|
||
}
|
||
}
|
||
|
||
proc gdb_init { args } {
|
||
return [eval default_gdb_init $args];
|
||
}
|
||
|
||
proc gdb_finish { } {
|
||
gdb_exit;
|
||
}
|
||
|
||
global debug_format
|
||
set debug_format "unknown"
|
||
|
||
# Run the gdb command "info source" and extract the debugging format
|
||
# information from the output and save it in debug_format.
|
||
|
||
proc get_debug_format { } {
|
||
global gdb_prompt
|
||
global verbose
|
||
global expect_out
|
||
global debug_format
|
||
|
||
set debug_format "unknown"
|
||
send_gdb "info source\n"
|
||
gdb_expect 10 {
|
||
-re "Compiled with (.*) debugging format.\r\n$gdb_prompt $" {
|
||
set debug_format $expect_out(1,string)
|
||
verbose "debug format is $debug_format"
|
||
return 1;
|
||
}
|
||
-re "No current source file.\r\n$gdb_prompt $" {
|
||
perror "get_debug_format used when no current source file"
|
||
return 0;
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
warning "couldn't check debug format (no valid response)."
|
||
return 1;
|
||
}
|
||
timeout {
|
||
warning "couldn't check debug format (timed out)."
|
||
return 1;
|
||
}
|
||
}
|
||
}
|
||
|
||
# Return true if FORMAT matches the debug format the current test was
|
||
# compiled with. FORMAT is a shell-style globbing pattern; it can use
|
||
# `*', `[...]', and so on.
|
||
#
|
||
# This function depends on variables set by `get_debug_format', above.
|
||
|
||
proc test_debug_format {format} {
|
||
global debug_format
|
||
|
||
return [expr [string match $format $debug_format] != 0]
|
||
}
|
||
|
||
# Like setup_xfail, but takes the name of a debug format (DWARF 1,
|
||
# COFF, stabs, etc). If that format matches the format that the
|
||
# current test was compiled with, then the next test is expected to
|
||
# fail for any target. Returns 1 if the next test or set of tests is
|
||
# expected to fail, 0 otherwise (or if it is unknown). Must have
|
||
# previously called get_debug_format.
|
||
proc setup_xfail_format { format } {
|
||
set ret [test_debug_format $format];
|
||
|
||
if {$ret} then {
|
||
setup_xfail "*-*-*"
|
||
}
|
||
return $ret;
|
||
}
|
||
|
||
proc gdb_step_for_stub { } {
|
||
global gdb_prompt;
|
||
|
||
if ![target_info exists gdb,use_breakpoint_for_stub] {
|
||
if [target_info exists gdb_stub_step_command] {
|
||
set command [target_info gdb_stub_step_command];
|
||
} else {
|
||
set command "step";
|
||
}
|
||
send_gdb "${command}\n";
|
||
set tries 0;
|
||
gdb_expect 60 {
|
||
-re "(main.* at |.*in .*start).*$gdb_prompt" {
|
||
return;
|
||
}
|
||
-re ".*$gdb_prompt" {
|
||
incr tries;
|
||
if { $tries == 5 } {
|
||
fail "stepping out of breakpoint function";
|
||
return;
|
||
}
|
||
send_gdb "${command}\n";
|
||
exp_continue;
|
||
}
|
||
default {
|
||
fail "stepping out of breakpoint function";
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
send_gdb "where\n";
|
||
gdb_expect {
|
||
-re "main\[^\r\n\]*at \(\[^:]+\):\(\[0-9\]+\)" {
|
||
set file $expect_out(1,string);
|
||
set linenum [expr $expect_out(2,string) + 1];
|
||
set breakplace "${file}:${linenum}";
|
||
}
|
||
default {}
|
||
}
|
||
send_gdb "break ${breakplace}\n";
|
||
gdb_expect 60 {
|
||
-re "Breakpoint (\[0-9\]+) at.*$gdb_prompt" {
|
||
set breakpoint $expect_out(1,string);
|
||
}
|
||
-re "Breakpoint (\[0-9\]+): file.*$gdb_prompt" {
|
||
set breakpoint $expect_out(1,string);
|
||
}
|
||
default {}
|
||
}
|
||
send_gdb "continue\n";
|
||
gdb_expect 60 {
|
||
-re "Breakpoint ${breakpoint},.*$gdb_prompt" {
|
||
gdb_test "delete $breakpoint" ".*" "";
|
||
return;
|
||
}
|
||
default {}
|
||
}
|
||
}
|
||
|
||
### gdb_get_line_number TEXT [FILE]
|
||
###
|
||
### Search the source file FILE, and return the line number of a line
|
||
### containing TEXT. Use this function instead of hard-coding line
|
||
### numbers into your test script.
|
||
###
|
||
### Specifically, this function uses GDB's "search" command to search
|
||
### FILE for the first line containing TEXT, and returns its line
|
||
### number. Thus, FILE must be a source file, compiled into the
|
||
### executable you are running. If omitted, FILE defaults to the
|
||
### value of the global variable `srcfile'; most test scripts set
|
||
### `srcfile' appropriately at the top anyway.
|
||
###
|
||
### Use this function to keep your test scripts independent of the
|
||
### exact line numbering of the source file. Don't write:
|
||
###
|
||
### send_gdb "break 20"
|
||
###
|
||
### This means that if anyone ever edits your test's source file,
|
||
### your test could break. Instead, put a comment like this on the
|
||
### source file line you want to break at:
|
||
###
|
||
### /* breakpoint spot: frotz.exp: test name */
|
||
###
|
||
### and then write, in your test script (which we assume is named
|
||
### frotz.exp):
|
||
###
|
||
### send_gdb "break [gdb_get_line_number "frotz.exp: test name"]\n"
|
||
###
|
||
### (Yes, Tcl knows how to handle the nested quotes and brackets.
|
||
### Try this:
|
||
### $ tclsh
|
||
### % puts "foo [lindex "bar baz" 1]"
|
||
### foo baz
|
||
### %
|
||
### Tcl is quite clever, for a little stringy language.)
|
||
|
||
proc gdb_get_line_number {text {file /omitted/}} {
|
||
global gdb_prompt;
|
||
global srcfile;
|
||
|
||
if {! [string compare $file /omitted/]} {
|
||
set file $srcfile
|
||
}
|
||
|
||
set result -1;
|
||
gdb_test "list ${file}:1,1" ".*" ""
|
||
send_gdb "search ${text}\n"
|
||
gdb_expect {
|
||
-re "\[\r\n\]+(\[0-9\]+)\[ \t\].*${text}.*$gdb_prompt $" {
|
||
set result $expect_out(1,string)
|
||
}
|
||
-re ".*$gdb_prompt $" {
|
||
fail "find line number containing \"${text}\""
|
||
}
|
||
timeout {
|
||
fail "find line number containing \"${text}\" (timeout)"
|
||
}
|
||
}
|
||
return $result;
|
||
}
|
||
|
||
# gdb_continue_to_end:
|
||
# The case where the target uses stubs has to be handled specially. If a
|
||
# stub is used, we set a breakpoint at exit because we cannot rely on
|
||
# exit() behavior of a remote target.
|
||
#
|
||
# mssg is the error message that gets printed.
|
||
|
||
proc gdb_continue_to_end {mssg} {
|
||
if [target_info exists use_gdb_stub] {
|
||
if {![gdb_breakpoint "exit"]} {
|
||
return 0
|
||
}
|
||
gdb_test "continue" "Continuing..*Breakpoint .*exit.*" \
|
||
"continue until exit at $mssg"
|
||
} else {
|
||
# Continue until we exit. Should not stop again.
|
||
# Don't bother to check the output of the program, that may be
|
||
# extremely tough for some remote systems.
|
||
gdb_test "continue"\
|
||
"Continuing.\[\r\n0-9\]+Program exited normally\\..*"\
|
||
"continue until exit at $mssg"
|
||
}
|
||
}
|
||
|
||
proc rerun_to_main {} {
|
||
global gdb_prompt
|
||
|
||
if [target_info exists use_gdb_stub] {
|
||
gdb_run_cmd
|
||
gdb_expect {
|
||
-re ".*Breakpoint .*main .*$gdb_prompt $"\
|
||
{pass "rerun to main" ; return 0}
|
||
-re "$gdb_prompt $"\
|
||
{fail "rerun to main" ; return 0}
|
||
timeout {fail "(timeout) rerun to main" ; return 0}
|
||
}
|
||
} else {
|
||
send_gdb "run\n"
|
||
gdb_expect {
|
||
-re "Starting program.*$gdb_prompt $"\
|
||
{pass "rerun to main" ; return 0}
|
||
-re "$gdb_prompt $"\
|
||
{fail "rerun to main" ; return 0}
|
||
timeout {fail "(timeout) rerun to main" ; return 0}
|
||
}
|
||
}
|
||
}
|
||
|
||
# Print a message and return true if a test should be skipped
|
||
# due to lack of floating point suport.
|
||
|
||
proc gdb_skip_float_test { msg } {
|
||
if [target_info exists gdb,skip_float_tests] {
|
||
verbose "Skipping test '$msg': no float tests.";
|
||
return 1;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
# Print a message and return true if a test should be skipped
|
||
# due to lack of stdio support.
|
||
|
||
proc gdb_skip_stdio_test { msg } {
|
||
if [target_info exists gdb,noinferiorio] {
|
||
verbose "Skipping test '$msg': no inferior i/o.";
|
||
return 1;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
proc gdb_skip_bogus_test { msg } {
|
||
return 0;
|
||
}
|
||
|