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# Utilities for GDBtk.
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# Copyright 1997, 1998, 1999 Cygnus Solutions
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License (GPL) as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# 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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# Misc routines
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#
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# PROCS:
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#
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# keep_raised - keep a window raised
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# sleep - wait a certain number of seconds and return
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# toggle_debug_mode - turn debugging on and off
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# freeze - make a window modal
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# bp_exists - does a breakpoint exist on linespec?
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#
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# ----------------------------------------------------------------------
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#
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# A helper procedure to keep a window on top.
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proc keep_raised {top} {
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if {[winfo exists $top]} {
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raise $top
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wm deiconify $top
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after 1000 [info level 0]
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}
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}
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# sleep - wait a certain number of seconds then return
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proc sleep {sec} {
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global __sleep_timer
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set __sleep_timer 0
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after [expr {1000 * $sec}] set __sleep_timer 1
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vwait __sleep_timer
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}
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# ------------------------------------------------------------------
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# PROC: auto_step - automatically step through a program
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# ------------------------------------------------------------------
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# FIXME FIXME
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proc auto_step {} {
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global auto_step_id
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set auto_step_id [after 2000 auto_step]
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gdb_cmd next
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}
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# ------------------------------------------------------------------
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# PROC: auto_step_cancel - cancel auto-stepping
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# ------------------------------------------------------------------
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proc auto_step_cancel {} {
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global auto_step_id
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if {[info exists auto_step_id]} {
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after cancel $auto_step_id
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unset auto_step_id
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}
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}
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# ------------------------------------------------------------------
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# PROC: tfind_cmd -- to execute a tfind command on the target
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# ------------------------------------------------------------------
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proc tfind_cmd {command} {
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gdbtk_busy
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# need to call gdb_cmd because we want to ignore the output
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set err [catch {gdb_cmd $command} msg]
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if {$err || [regexp "Target failed to find requested trace frame" $msg]} {
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tk_messageBox -icon error -title "GDB" -type ok \
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-modal task -message $msg
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gdbtk_idle
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return
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} else {
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gdbtk_update
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gdbtk_idle
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}
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}
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# ------------------------------------------------------------------
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# PROC: save_trace_command -- Saves the current trace settings to a file
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# ------------------------------------------------------------------
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proc save_trace_commands {} {
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set out_file [tk_getSaveFile -title "Enter output file for trace commands"]
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debug "Got outfile: $out_file"
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if {$out_file != ""} {
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gdb_cmd "save-tracepoints $out_file"
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}
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}
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# ------------------------------------------------------------------
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# PROC: do_test - invoke the test passed in
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# This proc is provided for convenience. For any test
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# that uses the console window (like the console window
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# tests), the file cannot be sourced directly using the
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# 'tk' command because it will block the console window
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# until the file is done executing. This proc assures
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# that the console window is free for input by wrapping
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# the source call in an after callback.
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# Users may also pass in the verbose and tests globals
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# used by the testsuite.
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# ------------------------------------------------------------------
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proc do_test {{file {}} {verbose {}} {tests {}}} {
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global _test
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if {$file == {}} {
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error "wrong \# args: should be: do_test file ?verbose? ?tests ...?"
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}
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if {$verbose != {}} {
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set _test(verbose) $verbose
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} elseif {![info exists _test(verbose)]} {
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set _test(verbose) 0
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}
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if {$tests != {}} {
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set _test(tests) $tests
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}
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set _test(interactive) 1
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after 500 [list source $file]
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}
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# ------------------------------------------------------------------
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# PROCEDURE: gdbtk_read_defs
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# Reads in the defs file for the testsuite. This is usually
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# the first procedure called by a test file. It returns
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# 1 if it was successful and 0 if not (if run interactively
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# from the console window) or exits (if running via dejagnu).
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# ------------------------------------------------------------------
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proc gdbtk_read_defs {} {
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global _test env
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if {[info exists env(DEFS)]} {
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set err [catch {source $env(DEFS)} errTxt]
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} else {
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set err [catch {source defs} errTxt]
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}
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if {$err} {
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if {$_test(interactive)} {
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tk_messageBox -icon error -message "Cannot load defs file:\n$errTxt" -type ok
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return 0
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} else {
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puts stderr "cannot load defs files: $errTxt\ntry setting DEFS"
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exit 1
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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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# PROCEDURE: bp_exists
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# Returns BPNUM if a breakpoint exists at LINESPEC or
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# -1 if no breakpoint exists there
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# ------------------------------------------------------------------
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proc bp_exists {linespec} {
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lassign $linespec foo function filename line_number addr pc_addr
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set bps [gdb_get_breakpoint_list]
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foreach bpnum $bps {
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set bpinfo [gdb_get_breakpoint_info $bpnum]
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lassign $bpinfo file func line pc type enabled disposition \
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ignore_count commands cond thread hit_count user_specification
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if {$filename == $file && $function == $func && $addr == $pc} {
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return $bpnum
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}
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}
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return -1
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}
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# Scrolled Listbox - this could be in libgui,
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# but we'll probably just start using new iwidgets stuff
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# soon so keep it here temporarily. This is based on
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# code from Welch's book.
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proc CygScrolledListbox { win args } {
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frame $win
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# Create listbox attached to scrollbars, pass thru $args
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eval {listbox $win.list -yscrollcommand [list $win.sy set]} $args
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scrollbar $win.sy -orient vertical -command [list $win.list yview]
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# Create padding based on the scrollbar width and border
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set pad [expr [$win.sy cget -width] + 2* \
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([$win.sy cget -bd] + \
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[$win.sy cget -highlightthickness])]
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frame $win.pad -width $pad -height $pad
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pack $win.sy -side right -fill y
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pack $win.list -side left -fill both -expand true
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return $win.list
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}
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# gridCGet - This provides the missing grid cget
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# command.
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proc gridCGet {slave option} {
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set config_list [grid info $slave]
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return [lindex $config_list [expr [lsearch $config_list $option] + 1]]
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}
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# ------------------------------------------------------------------
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# PROC: find_iwidgets_library - Find the IWidgets library.
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#
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# This is a little bit of bogosity which is necessary so we
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# can find the iwidgets libraries if we are not installed:
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# The problem is that the iwidgets are really weird. The init file is
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# in the build tree, but all the library files are in the source tree...
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#
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# ------------------------------------------------------------------
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proc find_iwidgets_library {} {
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global errMsg
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set IwidgetsOK 1
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if {[catch {package require Iwidgets 3.0} errMsg]} {
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# OK, we are not installed or this would have succeeded...
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# Lets try to do it by hand:
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set IwidgetsOK 0
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set iwidgetsSrcDir [glob -nocomplain [file join \
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[file dirname [file dirname $::tcl_library]] \
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itcl iwidgets*]]
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# Canonicalize the executable's directory name. It turns out that on Solaris,
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# info nameofexecutable returns /foo/bar/real_dir/./gdb when gdb is launched from
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# another gdb session, so we have to fix this up.
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set exec_name [info nameofexecutable]
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set curdir [pwd]
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if {[string compare [file type $exec_name] "link"] == 0} {
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set exec_name [file readlink $exec_name]
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if {[string compare [file pathtype $exec_name] "relative"] == 0} {
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set exec_name [file join [pwd] $exec_name]
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}
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}
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cd [file dirname $exec_name]
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set exec_name [pwd]
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cd $curdir
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set iwidgetsBuildDir [glob -nocomplain [file join \
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[file dirname $exec_name] \
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itcl iwidgets*]]
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set initFile [file join [lindex $iwidgetsBuildDir 0] \
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unix iwidgets.tcl]
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if {[llength $iwidgetsBuildDir] == 0} {
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# We could be runnning on an installed toolchain.
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# Check in "normal" installed place: "../../share/iwidgets*"
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set iwidgetsBuildDir [glob -nocomplain [file join \
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[file dirname [file dirname $exec_name]] \
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share iwidgets*]]
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set initFile [file join [lindex $iwidgetsBuildDir 0] iwidgets.tcl]
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}
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if {[llength $iwidgetsSrcDir] == 1 && [llength $iwidgetsBuildDir] == 1} {
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# The lindex is necessary because the path may have spaces in it...
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set libDir [file join [lindex $iwidgetsSrcDir 0] generic]
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if {[file exists $initFile] && [file isdirectory $libDir]} {
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if {![catch {source $initFile} err]} {
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# Now fix up the stuff the Iwidgets init file got wrong...
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set libPos [lsearch $::auto_path [file join $::iwidgets::library scripts]]
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if {$libPos >= 0} {
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set auto_path [lreplace $::auto_path $libPos $libPos $libDir]
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} else {
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lappend ::auto_path $libDir
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}
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set ::iwidgets::library $libDir
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set IwidgetsOK 1
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} else {
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append errMsg "\nError in iwidgets.tcl file: $err"
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}
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}
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} else {
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append errMsg "\nCould not find in-place versions of the Iwidgets files\n"
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append errMsg "Looked at: $iwidgetsSrcDir\n"
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append errMsg "and: $iwidgetsBuildDir\n"
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}
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}
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return $IwidgetsOK
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}
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# ------------------------------------------------------------------
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# PROC: get_disassembly_flavor - gets the current disassembly flavor.
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# The set disassembly-flavor command is assumed to exist. This
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# will error out if it does not.
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# ------------------------------------------------------------------
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proc get_disassembly_flavor {} {
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if {[catch {gdb_cmd "show disassembly-flavor"} ret]} {
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return ""
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} else {
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regexp {\"([^\"]*)\"\.} $ret dummy gdb_val
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return $gdb_val
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}
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}
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# ------------------------------------------------------------------
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# PROC: list_disassembly_flavors - Lists the current disassembly flavors.
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# Returns an empty list if the set disassembly-flavor is not supported.
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# ------------------------------------------------------------------
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proc list_disassembly_flavors {} {
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catch {gdb_cmd "set disassembly-flavor"} ret_val
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if {[regexp {Requires an argument\. Valid arguments are (.*)\.} \
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$ret_val dummy list]} {
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foreach elem [split $list ","] {
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lappend vals [string trim $elem]
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}
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return [lsort $vals]
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} else {
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return {}
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}
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}
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# ------------------------------------------------------------------
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# PROC: init_disassembly_flavor - Synchs up gdb's internal disassembly
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| 335 |
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# flavor with the value in the preferences file.
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# ------------------------------------------------------------------
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proc init_disassembly_flavor {} {
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set gdb_val [get_disassembly_flavor]
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if {$gdb_val != ""} {
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set def_val [pref get gdb/src/disassembly-flavor]
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if {[string compare $def_val ""] != 0} {
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if {[catch "gdb_cmd \"set disassembly-flavor $def_val\""]} {
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pref set gdb/src/disassembly-flavor $gdb_val
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}
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| 345 |
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} else {
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| 346 |
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pref set gdb/src/disassembly-flavor $gdb_val
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| 347 |
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}
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| 348 |
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}
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| 349 |
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}
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| 350 |
|
|
|
| 351 |
|
|
# ------------------------------------------------------------------
|
| 352 |
|
|
# PROC: list_element_strcmp - to be used in lsort -command when the
|
| 353 |
|
|
# elements are themselves lists, and you always want to look at
|
| 354 |
|
|
# a particular item.
|
| 355 |
|
|
# ------------------------------------------------------------------
|
| 356 |
|
|
proc list_element_strcmp {index first second} {
|
| 357 |
|
|
set theFirst [lindex $first $index]
|
| 358 |
|
|
set theSecond [lindex $second $index]
|
| 359 |
|
|
|
| 360 |
|
|
return [string compare $theFirst $theSecond]
|
| 361 |
|
|
}
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