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@@ -1,199 +1,16 @@ -# xds-gdb: wrapper on gdb for XDS +# xds-gdb `xds-gdb` is a wrapper on gdb debugger for X(cross) Development System. -This tool allows you to debug an application built with an xds-server without the -need to install gdb or any cross tool. +This tool allows you to debug an application built with an xds-server without +the need to install gdb or any cross tool. -Two debugging models are supported: +## Documentation -1. XDS remote debugging requiring an XDS server and allowing cross debug your - application. -1. native debugging +Please find XDS User's Guide online at : - By default XDS remote debug is used and you need to define `XDS_NATIVE_GDB` -variable to use native gdb debug mode instead. +[http://docs.automotivelinux.org/docs/devguides/en/dev/#xcross-development-system-user's-guide](http://docs.automotivelinux.org/docs/devguides/en/dev/#xcross-development-system-user's-guide) -> **SEE ALSO**: [xds-server](https://github.com/iotbzh/xds-server), a web server -used to remotely cross build applications. -> **SEE ALSO**: [xds-exec](https://github.com/iotbzh/xds-exec), -wrappers on `exec` command that allows to cross build your application through `xds-server`. +and `xds-gdb` advanced documentation at : -## Getting Started - -## Installing xds-gdb - -Download latest `xds-gdb` release on [https://github.com/iotbzh/xds-gdb/releases](https://github.com/iotbzh/xds-gdb/releases). - -Extract the tarball anywhere you want, for example: - -```bash -mkdir -p ~/opt/bin -unzip -j $DOWNLOAD_DIR/xds-gdb_linux-amd64-v1.0.0.zip xds-gdb/xds-gdb ~/opt/bin -``` - -## Configuration - - `xds-gdb` configuration is defined by variables (see listed below). - These variables may be set using : - -- environment variables (inherited), -- or a config file set with `XDS_CONFIG` environment variable, for example: - `XDS_CONFIG=/tmp/my_xds_gdb_config.env xds-gdb` -- or by setting variables within a gdb ini file (see details below), -- or a "user" config file located in following directory (first found is taken): - 1. $(CURRENT_DIRECTORY)/.xds-gdb.env - 1. $(CURRENT_DIRECTORY)/../xds-gdb.env - 1. $(CURRENT_DIRECTORY)/target/xds-gdb.env - 1. $(HOME)/.config/xds/xds-gdb.env - -### Configuration Variables - - `XDS_CONFIG` : - Config file defining `XDS_xxx` configuration variables. Variables of this file - will overwrite inherited environment variables. Variables definition may be - prefixed or not by "export" keyword. - Here is an example of - -```bash -cat $HOME/myProject/xds-gdb.env - -export XDS_SERVER_URL=http://xds-docker:8000 -export XDS_PROJECT_ID=IW7B4EE-DBY4Z74_myProject -export XDS_SDK_ID=poky-agl_aarch64_3.99.1+snapshot -``` - -`XDS_LOGLEVEL` : -Set logging level (supported levels: panic, fatal, error, warn, info, debug) - -`XDS_LOGFILE` : -Set logging file, default `/tmp/xds-gdb.log`. - -`XDS_NATIVE_GDB` : -Use native gdb mode instead of remote XDS server mode. - -`XDS_PROJECT_ID` : *(mandatory with XDS server mode)* -Project ID you want to build - -`XDS_RPATH` : -Relative path into project - -`XDS_SDK_ID` : *(mandatory with XDS server mode)* -Cross Sdk ID to use to build project - -`XDS_SERVER_URL` : *(mandatory with XDS server mode)* -Remote XDS server url - -### Configuration variables set within gdb init command file - -Above `XDS_xxx` variables may also be defined within gdb init command file -(see --command or -x option of genuine Gdb). -You must respect the following syntax: commented line including `:XDS-ENV:` tag - -Example of gdb init file where we define project and sdk ID: - -```bash - # :XDS-ENV: XDS_PROJECT_ID=IW7B4EE-DBY4Z74_myProject - # :XDS-ENV: XDS_SDK_ID=poky-agl_aarch64_3.99.1+snapshot -``` - -## Using xds-gdb from command line - -### XDS remote debugging mode - -First the project you want to debug must be declared on an xds-server and this -project may also has been built using this xds-server (see [xds-server](https://github.com/iotbzh/xds-server) for more details). - -So to debug it you need to know the xds-server url (eg. <http://xds-docker:8000>), -you also need the project and sdk unique id. You can find these IDs in project -page of XDS dashboard or you can get them from command line using the `--list` -option. -This option lists all existing projects ID: - -```bash -XDS_SERVER_URL=http://xds-docker:8000 xds-gdb --list -``` - -Now to refer your project, just set `XDS_PROJECT_ID` and `XDS_SDK_ID` variables. - -You are now ready to use `xds-gdb` to for example cross debug your project. -Here is an example to build and debug a project based on CMakefile and -[AGL app-templates](https://git.automotivelinux.org/apps/app-templates/): - -```bash -# Go into your project directory (for example helloworld-service) -git clone https://github.com/iotbzh/helloworld-service.git -cd helloworld-service - -# Declare your project on xds-server -# <for now, you can only do this step using xds HTML dashboard (see xds-server doc)> - -# Define XDS config -cat <<EOF >./xds-config.env -XDS_SERVER_URL=http://xds-docker:8000 -XDS_PROJECT_ID=IW7B4EE-DBY4Z74_myProject -XDS_SDK_ID=poky-agl_aarch64_3.99.1+snapshot -EOF - -# Tell to xds-exec and xds-gdb which is your config file -export XDS_CONFIG=../xds-config.env - -# Create a new build directory -mkdir build && cd build - -# Start remote cross build -xds-exec -- cmake .. -xds-exec -- make -xds-exec -- make remote-target-populate - -# Start debugging -xds-gdb -x target/gdb-on-root@myTarget.ini -``` - -> **Notes** : [Helloworld-service project](https://github.com/iotbzh/helloworld-service) -is an AGL project based on app-templates that can be build and debug using XDS. - -### Native debugging - -To enable native debugging mode, you need to define `XDS_NATIVE_GDB` variable. - -## Using xds-gdb within an IDE - -### Netbeans - -__Netbeans 8.x :__ -Open menu Tools -> Options -Then open C/C++ tab, in "Build Tools" sub-tab, click on "Add" button: - - -Then, you should set *Debugger Command* to point to xds-gdb - - - -### Others IDE - -*Coming soon...* - -## How to build xds-gdb from scratch - -### Prerequisites - - You must install and setup [Go](https://golang.org/doc/install) version 1.7 or - higher to compile this tool. - -### Building - -Clone this repo into your `$GOPATH/src/github.com/iotbzh` and use delivered Makefile: - -```bash - export GOPATH=$(realpath ~/workspace_go) - mkdir -p $GOPATH/src/github.com/iotbzh - cd $GOPATH/src/github.com/iotbzh - git clone https://github.com/iotbzh/xds-gdb.git - cd xds-gdb - make -``` - -## Debug - -Visual Studio Code launcher settings can be found into `.vscode/launch.json`. +[http://docs.automotivelinux.org/docs/devguides/en/dev/reference/xds/part-2/4_xds-gdb.html](http://docs.automotivelinux.org/docs/devguides/en/dev/reference/xds/part-2/4_xds-gdb.html) |