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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
125 lines
3.7 KiB
Plaintext
125 lines
3.7 KiB
Plaintext
# Copyright 2020-2021 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 3 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, see <http://www.gnu.org/licenses/>.
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# Let the user override the path to the simavr binary with the SIMAVR_PATH
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# environment variable.
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if { [info exists ::env(SIMAVR_PATH)] } {
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set simavr_path $::env(SIMAVR_PATH)
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} else {
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set simavr_path simavr
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}
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# Let the user override the simulated AVR chip with the SIMAVR_PATH environment
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# variable.
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#
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# The value passed here must be supported by avr-gcc (see the -mmcu flag in the
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# `AVR Options` section of the gcc(1) man page) and by simavr (see output of
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# `simavr --list-cores`).
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if { [info exists ::env(SIMAVR_MCU)] } {
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set simavr_mcu $::env(SIMAVR_MCU)
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} else {
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set simavr_mcu atmega2560
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}
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set simavr_last_load_file ""
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set simavr_spawn_id ""
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set_board_info compiler avr-gcc
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set_board_info c++compiler avr-g++
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set_board_info cflags "-mmcu=${simavr_mcu}"
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set_board_info ldflags "-mmcu=${simavr_mcu}"
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set_board_info use_gdb_stub 1
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set_board_info gdb_protocol "remote"
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set_board_info gdb,do_reload_on_run 1
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set_board_info noargs 1
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set_board_info gdb,noinferiorio 1
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set_board_info gdb,nofileio 1
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set_board_info gdb,noresults 1
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set_board_info gdb,nosignals 1
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proc gdb_load { file } {
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global simavr_last_load_file
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global simavr_spawn_id
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global simavr_mcu
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global simavr_path
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global gdb_prompt
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if { $file == "" } {
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set file $simavr_last_load_file
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} else {
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set simavr_last_load_file $file
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}
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gdb_file_cmd $file
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# Close any previous simavr instance.
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if { $simavr_spawn_id != "" } {
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verbose -log "simavr: closing previous spawn id $simavr_spawn_id"
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if [catch { close -i $simavr_spawn_id } != 0] {
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warning "simavr: failed to close connection to previous simavr instance"
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}
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wait -i $simavr_spawn_id
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set simavr_spawn_id ""
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}
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# Run simavr.
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set cmd "spawn -noecho ${simavr_path} --mcu ${simavr_mcu} -g $file"
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verbose -log "Spawning simavr: $cmd"
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eval $cmd
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set simavr_spawn_id $spawn_id
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verbose -log "simavr: simavr spawned with spawn id $simavr_spawn_id, pid [exp_pid $simavr_spawn_id]"
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# Wait for "listening on port" message of simavr.
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expect {
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-i $simavr_spawn_id -re ".*avr_gdb_init listening on port 1234" {}
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timeout {
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verbose -log "simavr: timeout, closing simavr spawn id"
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close -i $simavr_spawn_id
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verbose -log "simavr: timeout, waiting for simavr process exit"
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wait -i $simavr_spawn_id
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set simavr_spawn_id ""
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error "unable to start simavr: timeout"
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}
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eof {
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verbose -log "simavr: eof, waiting for simavr process exit"
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wait -i $simavr_spawn_id
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set simavr_spawn_id ""
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error "unable to start simavr: eof"
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}
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}
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# Connect to simavr.
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send_gdb "target remote :1234\n"
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gdb_expect {
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-re ".*Remote debugging using :1234.*\[\r\n\]+$gdb_prompt $" {}
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timeout {
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verbose -log "simavr: unable to connect to simavr, closing simavr spawn id"
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close -i $simavr_spawn_id
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verbose -log "simavr: unable to connect to simavr, waiting for simavr process exit"
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wait -i $simavr_spawn_id
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set simavr_spawn_id ""
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error "unable to connect to simavr stub"
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}
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}
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return 0
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}
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