876 lines
23 KiB
Text
876 lines
23 KiB
Text
# Copyright (C) 1992, 1994, 1995 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 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 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 prompt is a regexp which matches the gdb prompt. Set it if it
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# is not already set.
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global gdb_prompt
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if ![info exists prompt] then {
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set gdb_prompt "\[(\]gdb\[)\]"
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}
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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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expect {
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-re "No exec file now.*\r" { exp_continue }
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-re "No symbol file now.*\r" { 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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global gdb_spawn_id
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send_gdb "delete breakpoints\n"
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expect {
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-i $gdb_spawn_id -re ".*Delete all breakpoints.*y or n.*$" {
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send_gdb "y\n";
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exp_continue
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}
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-i $gdb_spawn_id -re ".*$gdb_prompt $" { # This happens if there were no breakpoints
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}
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-i $gdb_spawn_id 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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expect {
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-i $gdb_spawn_id -re "No breakpoints or watchpoints..*$gdb_prompt $" {}
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-i $gdb_spawn_id -re ".*$gdb_prompt $" { perror "breakpoints not deleted" ; return }
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-i $gdb_spawn_id -re "Delete all breakpoints.*or n.*$" {
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send_gdb "y\n";
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exp_continue
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}
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-i $gdb_spawn_id timeout { perror "info breakpoints (timeout)" ; return }
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}
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}
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#
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# Generic run command.
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#
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# The second pattern below matches up to the first newline *only*.
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# Using ``.*$'' 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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global gdb_spawn_id
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set spawn_id $gdb_spawn_id
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if [target_info exists use_gdb_stub] {
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if [target_info exists gdb,start_symbol] {
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set start [target_info gdb,start_symbol];
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} else {
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set start "start";
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}
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send_gdb "jump *$start\n"
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expect {
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-re "Continuing at \[^\r\n\]*\[\r\n\]" {
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if ![target_info exists gdb_stub] {
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return;
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}
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}
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-re "No symbol \"start\" in current.*$gdb_prompt $" {
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send_gdb "jump *_start\n";
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exp_continue;
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}
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-re "No symbol \"_start\" in current.*$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 "Line.* Jump anyway.*y or n. $" {
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send_gdb "y\n"
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exp_continue;
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}
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-re "No symbol.*context.*$gdb_prompt $" {}
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-re "The program is not being run.*$gdb_prompt $" {
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gdb_load "";
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}
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timeout { perror "Jump to start() failed (timeout)"; return }
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}
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if [target_info exists gdb_stub] {
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expect {
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-re ".*$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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expect {
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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: \[^\n\]*" {}
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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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global gdb_spawn_id
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set spawn_id $gdb_spawn_id
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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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expect {
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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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global gdb_spawn_id
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set spawn_id $gdb_spawn_id
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delete_breakpoints
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if ![gdb_breakpoint $function] {
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return 0;
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}
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gdb_run_cmd
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# the "at foo.c:36" output we get with -g.
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# the "in func" output we get without -g.
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expect {
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-re "Break.* at .*:$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 $function in runto (timeout)"
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return 0
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}
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}
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return 1
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}
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#
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# runto_main -- ask gdb to run until we hit a breakpoint at main.
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# The case where the target uses stubs has to be handled
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# specially--if it uses stubs, assuming we hit
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# breakpoint() and just step out of the function.
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#
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proc runto_main {} {
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global gdb_prompt
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global decimal
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if ![target_info exists gdb_stub] {
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return [runto main]
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}
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delete_breakpoints
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send_gdb "step\n"
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# if use stubs step out of the breakpoint() function.
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expect {
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-re "main.* at .*$gdb_prompt $" {}
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-re "_start.*$gdb_prompt $" {}
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timeout { fail "single step at breakpoint() (timeout)" ; return 0 }
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}
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return 1
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}
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#
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# gdb_test -- send_gdb a command to gdb and test the result.
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# Takes three parameters.
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# Parameters:
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# First one is the command to execute. If this is the null string
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# then no command is sent.
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# Second one 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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# Third one is an optional message to be printed. If this
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# a null string "", then the pass/fail messages use the command
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# string as the message.
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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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global expect_out
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upvar timeout timeout
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global gdb_spawn_id;
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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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if ![string match $command ""] {
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if { [send_gdb "$command\n"] != "" } {
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perror "Couldn't send $command to GDB.";
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return $result;
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}
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}
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expect {
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-i $gdb_spawn_id -re ".*Ending remote debugging.*$gdb_prompt$" {
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if ![isnative] then {
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warning "Can`t communicate to remote target."
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}
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gdb_exit
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gdb_start
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set result -1
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}
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-i $gdb_spawn_id -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
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if ![string match "" $message] then {
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pass "$message"
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}
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set result 0
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}
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-i $gdb_spawn_id -re "(${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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-i $gdb_spawn_id -re "Undefined command:.*$gdb_prompt" {
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perror "Undefined command \"$command\"."
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set result 1
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}
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-i $gdb_spawn_id -re "Ambiguous command.*$gdb_prompt $" {
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perror "\"$command\" is not a unique command name."
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set result 1
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}
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-i $gdb_spawn_id -re ".*Program exited with code \[0-9\]+.*$gdb_prompt $" {
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if ![string match "" $message] then {
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set errmsg "$message: the program exited"
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} else {
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set errmsg "$command: the program exited"
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}
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fail "$errmsg"
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return -1
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}
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-i $gdb_spawn_id -re "The program is not being run.*$gdb_prompt $" {
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if ![string match "" $message] then {
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set errmsg "$message: the program is no longer running"
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} else {
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set errmsg "$command: the program is no longer running"
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}
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fail "$errmsg"
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return -1
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}
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-i $gdb_spawn_id -re ".*$gdb_prompt $" {
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if ![string match "" $message] then {
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fail "$message"
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}
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set result 1
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}
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-i $gdb_spawn_id "<return>" {
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send_gdb "\n"
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perror "Window too small."
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}
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-i $gdb_spawn_id -re "\\(y or n\\) " {
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send_gdb "n\n"
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perror "Got interactive prompt."
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}
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-i $gdb_spawn_id eof {
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perror "Process no longer exists"
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return -1
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}
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-i $gdb_spawn_id full_buffer {
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perror "internal buffer is full."
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}
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timeout {
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if ![string match "" $message] then {
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fail "(timeout) $message"
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}
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set result 1
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}
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}
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return $result
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}
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# Test that a command gives an error. For pass or fail, return
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# a 1 to indicate that more tests can proceed. However a timeout
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# is a serious error, generates a special fail message, and causes
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# a 0 to be returned to indicate that more tests are likely to fail
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# as well.
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proc test_print_reject { args } {
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global gdb_prompt
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global verbose
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if [llength $args]==2 then {
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set expectthis [lindex $args 1]
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} else {
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set expectthis "should never match this bogus string"
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}
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set sendthis [lindex $args 0]
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if $verbose>2 then {
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send_user "Sending \"$sendthis\" to gdb\n"
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send_user "Looking to match \"$expectthis\"\n"
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}
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send_gdb "$sendthis\n"
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expect {
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-re ".*A .* in expression.*\\.*$gdb_prompt $" {
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pass "reject $sendthis"
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return 1
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}
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-re ".*Invalid syntax in expression.*$gdb_prompt $" {
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pass "reject $sendthis"
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return 1
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}
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-re ".*Junk after end of expression.*$gdb_prompt $" {
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pass "reject $sendthis"
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return 1
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}
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-re ".*Invalid number.*$gdb_prompt $" {
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pass "reject $sendthis"
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return 1
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}
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-re ".*Invalid character constant.*$gdb_prompt $" {
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pass "reject $sendthis"
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return 1
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}
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-re ".*No symbol table is loaded.*$gdb_prompt $" {
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pass "reject $sendthis"
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return 1
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}
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-re ".*No symbol .* in current context.*$gdb_prompt $" {
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pass "reject $sendthis"
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return 1
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}
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-re ".*$expectthis.*$gdb_prompt $" {
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pass "reject $sendthis"
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return 1
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}
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-re ".*$gdb_prompt $" {
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fail "reject $sendthis"
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return 1
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}
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default {
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fail "reject $sendthis (eof or timeout)"
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return 0
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}
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}
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}
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# Given an input string, adds backslashes as needed to create a
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# regexp that will match the string.
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proc string_to_regexp {str} {
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set result $str
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regsub -all {[]*+.|()^$\[]} $str {\\&} result
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return $result
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}
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# Same as gdb_test, but the second parameter is not a regexp,
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# but a string that must match exactly.
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proc gdb_test_exact { args } {
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upvar timeout timeout
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set command [lindex $args 0]
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# This applies a special meaning to a null string pattern. Without
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# this, "$pattern\r\n$gdb_prompt $" will match anything, including error
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# messages from commands that should have no output except a new
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# prompt. With this, only results of a null string will match a null
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# string pattern.
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set pattern [lindex $args 1]
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if [string match $pattern ""] {
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set pattern [string_to_regexp [lindex $args 0]]
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} else {
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set pattern [string_to_regexp [lindex $args 1]]
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}
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|
||
# 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 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
|
||
global gdb_spawn_id
|
||
set spawn_id $gdb_spawn_id
|
||
|
||
if [is_remote host] {
|
||
return "";
|
||
}
|
||
send_gdb "dir\n"
|
||
expect {
|
||
-re "Reinitialize source path to empty.*y or n. " {
|
||
send_gdb "y\n"
|
||
expect {
|
||
-re "Source directories searched.*$gdb_prompt $" {
|
||
send_gdb "dir $subdir\n"
|
||
expect {
|
||
-re "Source directories searched.*$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
|
||
|
||
if ![info exists gdb_spawn_id] {
|
||
return;
|
||
}
|
||
|
||
verbose "Quitting $GDB $GDBFLAGS"
|
||
|
||
# This used to be 1 for unix-gdb.exp
|
||
set timeout 5
|
||
verbose "Timeout is now $timeout seconds" 2
|
||
|
||
if [is_remote host] {
|
||
send_gdb "quit\n";
|
||
expect {
|
||
-i $gdb_spawn_id -re ".*and kill it.*y or n. " {
|
||
send_gdb "y\n";
|
||
exp_continue;
|
||
}
|
||
-i $gdb_spawn_id timeout { }
|
||
}
|
||
} else {
|
||
# We used to try to send_gdb "quit" to GDB, and wait for it to die.
|
||
# Dealing with all the cases and errors got pretty hairy. Just close it,
|
||
# that is simpler.
|
||
catch "close -i $gdb_spawn_id"
|
||
|
||
# Omitting this probably would cause strange timing-dependent failures.
|
||
catch "wait -i $gdb_spawn_id"
|
||
}
|
||
|
||
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
|
||
global gdb_spawn_id
|
||
set spawn_id $gdb_spawn_id
|
||
|
||
if [is_remote host] {
|
||
set arg [remote_download host $arg];
|
||
if { $arg == "" } {
|
||
error "download failed"
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
send_gdb "file $arg\n"
|
||
expect {
|
||
-re "Reading symbols from.*done.*$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. $" {
|
||
send_gdb "y\n"
|
||
expect {
|
||
-re "Reading symbols from.*done.*$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
|
||
# 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
|
||
global spawn_id
|
||
verbose "Spawning $GDB -nw $GDBFLAGS"
|
||
|
||
if [info exists gdb_spawn_id] {
|
||
return 0;
|
||
}
|
||
|
||
set oldtimeout $timeout
|
||
set timeout [expr "$timeout + 180"]
|
||
if [is_remote host] {
|
||
set shell_id [remote_spawn host "$GDB -nw $GDBFLAGS --command gdbinit"]
|
||
} else {
|
||
if { [which $GDB] == 0 } then {
|
||
perror "$GDB does not exist."
|
||
exit 1
|
||
}
|
||
|
||
set shell_id [remote_spawn host "$GDB -nw $GDBFLAGS"]
|
||
}
|
||
verbose $shell_id
|
||
set timeout 10
|
||
expect {
|
||
-i $shell_id -re ".*\[\r\n\]$gdb_prompt $" {
|
||
verbose "GDB initialized."
|
||
}
|
||
-i $shell_id -re "$gdb_prompt $" {
|
||
perror "GDB never initialized."
|
||
set timeout $oldtimeout
|
||
verbose "Timeout restored to $timeout seconds" 2
|
||
return -1
|
||
}
|
||
-i $shell_id timeout {
|
||
perror "(timeout) GDB never initialized after $timeout seconds."
|
||
set timeout $oldtimeout
|
||
verbose "Timeout restored to $timeout seconds" 2
|
||
return -1
|
||
}
|
||
}
|
||
set timeout $oldtimeout
|
||
verbose "Timeout restored to $timeout seconds" 2
|
||
set gdb_spawn_id $shell_id
|
||
set spawn_id $gdb_spawn_id
|
||
# force the height to "unlimited", so no pagers get used
|
||
send_gdb "set height 0\n"
|
||
expect {
|
||
-i $shell_id -re ".*$gdb_prompt $" {
|
||
verbose "Setting height to 0." 2
|
||
}
|
||
-i $shell_id timeout {
|
||
warning "Couldn't set the height to 0"
|
||
}
|
||
}
|
||
# force the width to "unlimited", so no wraparound occurs
|
||
send_gdb "set width 0\n"
|
||
expect {
|
||
-i $shell_id -re ".*$gdb_prompt $" {
|
||
verbose "Setting width to 0." 2
|
||
}
|
||
-i $shell_id timeout {
|
||
warning "Couldn't set the width to 0."
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
#
|
||
# FIXME: this is a copy of the new library procedure, but it's here too
|
||
# till the new dejagnu gets installed everywhere. I'd hate to break the
|
||
# gdb testsuite.
|
||
#
|
||
global argv0
|
||
if ![info exists argv0] then {
|
||
proc exp_continue { } {
|
||
continue -expect
|
||
}
|
||
}
|
||
|
||
# * 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 $skip_chill
|
||
}
|
||
|
||
proc get_compiler_info {binfile} {
|
||
# Create and source the file that provides information about the compiler
|
||
# used to compile the test case.
|
||
global srcdir
|
||
global subdir
|
||
# These two come from compiler.c.
|
||
global signed_keyword_not_used
|
||
global gcc_compiled
|
||
|
||
if { [gdb_compile "${srcdir}/${subdir}/compiler.c" "${binfile}.ci" preprocess {}] != "" } {
|
||
perror "Couldn't make ${binfile}.ci file"
|
||
return 1;
|
||
}
|
||
source ${binfile}.ci
|
||
return 0;
|
||
}
|
||
|
||
proc gdb_compile {source dest type options} {
|
||
if [target_info exists gdb_stub] {
|
||
set options2 { "additional_flags=-Dusestubs" }
|
||
lappend options "libs=[target_info gdb_stub]";
|
||
set options [concat $options2 $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 $result;
|
||
}
|
||
|
||
proc send_gdb { string } {
|
||
return [remote_send host "$string"];
|
||
}
|
||
|
||
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 gdb_init { args } {
|
||
if { [llength $args] > 0 } {
|
||
global pf_prefix
|
||
|
||
set file [lindex $args 0];
|
||
|
||
set pf_prefix "[file tail [file dirname $file]]/[file tail $file]:";
|
||
}
|
||
}
|
||
|
||
proc gdb_finish { } {
|
||
gdb_exit;
|
||
}
|