890 lines
46 KiB
XML
890 lines
46 KiB
XML
<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
||
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
|
||
[<!ENTITY % poky SYSTEM "../poky.ent"> %poky; ] >
|
||
|
||
<appendix id='sdk-appendix-latest-yp-eclipse-plug-in'>
|
||
<title>Using Eclipse Mars</title>
|
||
|
||
<para>
|
||
This release of the Yocto Project supports both the Neon and Mars
|
||
versions of the Eclipse IDE.
|
||
This appendix presents information that describes how to obtain and
|
||
configure the Mars version of Eclipse.
|
||
It also provides a basic project example that you can work through
|
||
from start to finish.
|
||
For general information on using the Eclipse IDE and the Yocto
|
||
Project Eclipse Plug-In, see the
|
||
"<link linkend='sdk-developing-applications-using-eclipse'>Developing Applications Using <trademark class='trade'>Eclipse</trademark></link>"
|
||
section.
|
||
</para>
|
||
|
||
<section id='mars-setting-up-the-eclipse-ide'>
|
||
<title>Setting Up the Mars Version of the Eclipse IDE</title>
|
||
|
||
<para>
|
||
To develop within the Eclipse IDE, you need to do the following:
|
||
<orderedlist>
|
||
<listitem><para>Install the Mars version of the Eclipse
|
||
IDE.</para></listitem>
|
||
<listitem><para>Configure the Eclipse IDE.
|
||
</para></listitem>
|
||
<listitem><para>Install the Eclipse Yocto Plug-in.
|
||
</para></listitem>
|
||
<listitem><para>Configure the Eclipse Yocto Plug-in.
|
||
</para></listitem>
|
||
</orderedlist>
|
||
<note>
|
||
Do not install Eclipse from your distribution's package
|
||
repository.
|
||
Be sure to install Eclipse from the official Eclipse
|
||
download site as directed in the next section.
|
||
</note>
|
||
</para>
|
||
|
||
<section id='mars-installing-eclipse-ide'>
|
||
<title>Installing the Mars Eclipse IDE</title>
|
||
|
||
<para>
|
||
Follow these steps to locate, install, and configure
|
||
Mars Eclipse:
|
||
<orderedlist>
|
||
<listitem><para><emphasis>Locate the Mars Download:</emphasis>
|
||
Open a browser and go to
|
||
<ulink url='http://www.eclipse.org/mars/'>http://www.eclipse.org/mars/</ulink>.
|
||
</para></listitem>
|
||
<listitem><para><emphasis>Download the Tarball:</emphasis>
|
||
Click the "Download" button and then use the "Linux
|
||
for Eclipse IDE for C++ Developers"
|
||
appropriate for your development system
|
||
(e.g.
|
||
<ulink url='http://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/mars/2/eclipse-cpp-mars-2-linux-gtk-x86_64.tar.gz'>64-bit under Linux for Eclipse IDE for C++ Developers</ulink>
|
||
if your development system is a Linux 64-bit machine.
|
||
</para></listitem>
|
||
<listitem><para><emphasis>Unpack the Tarball:</emphasis>
|
||
Move to a clean directory and unpack the tarball.
|
||
Here is an example:
|
||
<literallayout class='monospaced'>
|
||
$ cd ~
|
||
$ tar -xzvf ~/Downloads/eclipse-cpp-mars-2-linux-gtk-x86_64.tar.gz
|
||
</literallayout>
|
||
Everything unpacks into a folder named "Eclipse".
|
||
</para></listitem>
|
||
<listitem><para><emphasis>Launch Eclipse:</emphasis>
|
||
Double click the "Eclipse" file in the folder to
|
||
launch Eclipse.
|
||
<note>
|
||
If you experience a NullPointer Exception after
|
||
launch Eclipse or the debugger from within Eclipse,
|
||
try adding the following
|
||
to your <filename>eclipse.ini</filename> file,
|
||
which is located in the directory in which you
|
||
unpacked the Eclipse tar file:
|
||
<literallayout class='monospaced'>
|
||
--launcher.GTK_version
|
||
2
|
||
</literallayout>
|
||
Alternatively, you can export the
|
||
<filename>SWT_GTK</filename> variable in your
|
||
shell as follows:
|
||
<literallayout class='monospaced'>
|
||
$ export SWT_GTK3=0
|
||
</literallayout>
|
||
</note>
|
||
</para></listitem>
|
||
</orderedlist>
|
||
</para>
|
||
</section>
|
||
|
||
<section id='mars-configuring-the-mars-eclipse-ide'>
|
||
<title>Configuring the Mars Eclipse IDE</title>
|
||
|
||
<para>
|
||
Follow these steps to configure the Mars Eclipse IDE.
|
||
<note>
|
||
Depending on how you installed Eclipse and what you have
|
||
already done, some of the options will not appear.
|
||
If you cannot find an option as directed by the manual,
|
||
it has already been installed.
|
||
</note>
|
||
<orderedlist>
|
||
<listitem><para>Be sure Eclipse is running and
|
||
you are in your workbench.
|
||
</para></listitem>
|
||
<listitem><para>Select "Install New Software" from
|
||
the "Help" pull-down menu.
|
||
</para></listitem>
|
||
<listitem><para>Select
|
||
"Mars - http://download.eclipse.org/releases/mars"
|
||
from the "Work with:" pull-down menu.
|
||
</para></listitem>
|
||
<listitem><para>Expand the box next to
|
||
"Linux Tools" and select "C/C++ Remote
|
||
(Over TCF/TE) Run/Debug Launcher" and
|
||
"TM Terminal".
|
||
</para></listitem>
|
||
<listitem><para>Expand the box next to "Mobile and
|
||
Device Development" and select the following
|
||
boxes:
|
||
<literallayout class='monospaced'>
|
||
C/C++ Remote (Over TCF/TE) Run/Debug Launcher
|
||
Remote System Explorer User Actions
|
||
TM Terminal
|
||
TCF Remote System Explorer add-in
|
||
TCF Target Explorer
|
||
</literallayout>
|
||
</para></listitem>
|
||
<listitem><para>Expand the box next to
|
||
"Programming Languages" and select the
|
||
following boxes:
|
||
<literallayout class='monospaced'>
|
||
C/C++ Autotools Support
|
||
C/C++ Development Tools SDK
|
||
</literallayout>
|
||
</para></listitem>
|
||
<listitem><para>
|
||
Complete the installation by clicking through
|
||
appropriate "Next" and "Finish" buttons.
|
||
</para></listitem>
|
||
</orderedlist>
|
||
</para>
|
||
</section>
|
||
|
||
<section id='mars-installing-the-eclipse-yocto-plug-in'>
|
||
<title>Installing or Accessing the Mars Eclipse Yocto Plug-in</title>
|
||
|
||
<para>
|
||
You can install the Eclipse Yocto Plug-in into the Eclipse
|
||
IDE one of two ways: use the Yocto Project's Eclipse
|
||
Update site to install the pre-built plug-in or build and
|
||
install the plug-in from the latest source code.
|
||
</para>
|
||
|
||
<section id='mars-new-software'>
|
||
<title>Installing the Pre-built Plug-in from the Yocto Project Eclipse Update Site</title>
|
||
|
||
<para>
|
||
To install the Mars Eclipse Yocto Plug-in from the update
|
||
site, follow these steps:
|
||
<orderedlist>
|
||
<listitem><para>Start up the Eclipse IDE.
|
||
</para></listitem>
|
||
<listitem><para>In Eclipse, select "Install New
|
||
Software" from the "Help" menu.
|
||
</para></listitem>
|
||
<listitem><para>Click "Add..." in the "Work with:"
|
||
area.
|
||
</para></listitem>
|
||
<listitem><para>Enter
|
||
<filename>&ECLIPSE_DL_PLUGIN_URL;/mars</filename>
|
||
in the URL field and provide a meaningful name
|
||
in the "Name" field.
|
||
</para></listitem>
|
||
<listitem><para>Click "OK" to have the entry added
|
||
to the "Work with:" drop-down list.
|
||
</para></listitem>
|
||
<listitem><para>Select the entry for the plug-in
|
||
from the "Work with:" drop-down list.
|
||
</para></listitem>
|
||
<listitem><para>Check the boxes next to the following:
|
||
<literallayout class='monospaced'>
|
||
Yocto Project SDK Plug-in
|
||
Yocto Project Documentation plug-in
|
||
</literallayout>
|
||
</para></listitem>
|
||
<listitem><para>Complete the remaining software
|
||
installation steps and then restart the Eclipse
|
||
IDE to finish the installation of the plug-in.
|
||
<note>
|
||
You can click "OK" when prompted about
|
||
installing software that contains unsigned
|
||
content.
|
||
</note>
|
||
</para></listitem>
|
||
</orderedlist>
|
||
</para>
|
||
</section>
|
||
|
||
<section id='mars-zip-file-method'>
|
||
<title>Installing the Plug-in Using the Latest Source Code</title>
|
||
|
||
<para>
|
||
To install the Mars Eclipse Yocto Plug-in from the latest
|
||
source code, follow these steps:
|
||
<orderedlist>
|
||
<listitem><para>Be sure your development system
|
||
has JDK 1.7+
|
||
</para></listitem>
|
||
<listitem><para>install X11-related packages:
|
||
<literallayout class='monospaced'>
|
||
$ sudo apt-get install xauth
|
||
</literallayout>
|
||
</para></listitem>
|
||
<listitem><para>In a new terminal shell, create a Git
|
||
repository with:
|
||
<literallayout class='monospaced'>
|
||
$ cd ~
|
||
$ git clone git://git.yoctoproject.org/eclipse-poky
|
||
</literallayout>
|
||
</para></listitem>
|
||
<listitem><para>Use Git to checkout the correct
|
||
tag:
|
||
<literallayout class='monospaced'>
|
||
$ cd ~/eclipse-poky
|
||
$ git checkout mars/yocto-&DISTRO;
|
||
</literallayout>
|
||
This puts you in a detached HEAD state, which
|
||
is fine since you are only going to be building
|
||
and not developing.
|
||
</para></listitem>
|
||
<listitem><para>Change to the
|
||
<filename>scripts</filename>
|
||
directory within the Git repository:
|
||
<literallayout class='monospaced'>
|
||
$ cd scripts
|
||
</literallayout>
|
||
</para></listitem>
|
||
<listitem><para>Set up the local build environment
|
||
by running the setup script:
|
||
<literallayout class='monospaced'>
|
||
$ ./setup.sh
|
||
</literallayout>
|
||
When the script finishes execution,
|
||
it prompts you with instructions on how to run
|
||
the <filename>build.sh</filename> script, which
|
||
is also in the <filename>scripts</filename>
|
||
directory of the Git repository created
|
||
earlier.
|
||
</para></listitem>
|
||
<listitem><para>Run the <filename>build.sh</filename>
|
||
script as directed.
|
||
Be sure to provide the tag name, documentation
|
||
branch, and a release name.</para>
|
||
<para>
|
||
Following is an example:
|
||
<literallayout class='monospaced'>
|
||
$ ECLIPSE_HOME=/home/scottrif/eclipse-poky/scripts/eclipse ./build.sh -l mars/yocto-&DISTRO; master yocto-&DISTRO; 2>&1 | tee build.log
|
||
</literallayout>
|
||
The previous example command adds the tag you
|
||
need for <filename>mars/yocto-&DISTRO;</filename>
|
||
to <filename>HEAD</filename>, then tells the
|
||
build script to use the local (-l) Git checkout
|
||
for the build.
|
||
After running the script, the file
|
||
<filename>org.yocto.sdk-</filename><replaceable>release</replaceable><filename>-</filename><replaceable>date</replaceable><filename>-archive.zip</filename>
|
||
is in the current directory.
|
||
</para></listitem>
|
||
<listitem><para>If necessary, start the Eclipse IDE
|
||
and be sure you are in the Workbench.
|
||
</para></listitem>
|
||
<listitem><para>Select "Install New Software" from
|
||
the "Help" pull-down menu.
|
||
</para></listitem>
|
||
<listitem><para>Click "Add".
|
||
</para></listitem>
|
||
<listitem><para>Provide anything you want in the
|
||
"Name" field.
|
||
</para></listitem>
|
||
<listitem><para>Click "Archive" and browse to the
|
||
ZIP file you built earlier.
|
||
This ZIP file should not be "unzipped", and must
|
||
be the <filename>*archive.zip</filename> file
|
||
created by running the
|
||
<filename>build.sh</filename> script.
|
||
</para></listitem>
|
||
<listitem><para>Click the "OK" button.
|
||
</para></listitem>
|
||
<listitem><para>Check the boxes that appear in
|
||
the installation window to install the
|
||
following:
|
||
<literallayout class='monospaced'>
|
||
Yocto Project SDK Plug-in
|
||
Yocto Project Documentation plug-in
|
||
</literallayout>
|
||
</para></listitem>
|
||
<listitem><para>Finish the installation by clicking
|
||
through the appropriate buttons.
|
||
You can click "OK" when prompted about
|
||
installing software that contains unsigned
|
||
content.
|
||
</para></listitem>
|
||
<listitem><para>Restart the Eclipse IDE if
|
||
necessary.
|
||
</para></listitem>
|
||
</orderedlist>
|
||
</para>
|
||
|
||
<para>
|
||
At this point you should be able to configure the
|
||
Eclipse Yocto Plug-in as described in the
|
||
"<link linkend='mars-configuring-the-eclipse-yocto-plug-in'>Configuring the Mars Eclipse Yocto Plug-in</link>"
|
||
section.</para>
|
||
</section>
|
||
</section>
|
||
|
||
<section id='mars-configuring-the-eclipse-yocto-plug-in'>
|
||
<title>Configuring the Mars Eclipse Yocto Plug-in</title>
|
||
|
||
<para>
|
||
Configuring the Mars Eclipse Yocto Plug-in involves setting the
|
||
Cross Compiler options and the Target options.
|
||
The configurations you choose become the default settings
|
||
for all projects.
|
||
You do have opportunities to change them later when
|
||
you configure the project (see the following section).
|
||
</para>
|
||
|
||
<para>
|
||
To start, you need to do the following from within the
|
||
Eclipse IDE:
|
||
<itemizedlist>
|
||
<listitem><para>Choose "Preferences" from the
|
||
"Window" menu to display the Preferences Dialog.
|
||
</para></listitem>
|
||
<listitem><para>Click "Yocto Project SDK" to display
|
||
the configuration screen.
|
||
</para></listitem>
|
||
</itemizedlist>
|
||
The following sub-sections describe how to configure the
|
||
the plug-in.
|
||
<note>
|
||
Throughout the descriptions, a start-to-finish example for
|
||
preparing a QEMU image for use with Eclipse is referenced
|
||
as the "wiki" and is linked to the example on the
|
||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'> Cookbook guide to Making an Eclipse Debug Capable Image</ulink>
|
||
wiki page.
|
||
</note>
|
||
</para>
|
||
|
||
<section id='mars-configuring-the-cross-compiler-options'>
|
||
<title>Configuring the Cross-Compiler Options</title>
|
||
|
||
<para>
|
||
Cross Compiler options enable Eclipse to use your specific
|
||
cross compiler toolchain.
|
||
To configure these options, you must select
|
||
the type of toolchain, point to the toolchain, specify
|
||
the sysroot location, and select the target
|
||
architecture.
|
||
<itemizedlist>
|
||
<listitem><para><emphasis>Selecting the Toolchain Type:</emphasis>
|
||
Choose between
|
||
<filename>Standalone pre-built toolchain</filename>
|
||
and
|
||
<filename>Build system derived toolchain</filename>
|
||
for Cross Compiler Options.
|
||
<itemizedlist>
|
||
<listitem><para><emphasis>
|
||
<filename>Standalone Pre-built Toolchain:</filename></emphasis>
|
||
Select this type when you are using
|
||
a stand-alone cross-toolchain.
|
||
For example, suppose you are an
|
||
application developer and do not
|
||
need to build a target image.
|
||
Instead, you just want to use an
|
||
architecture-specific toolchain on
|
||
an existing kernel and target root
|
||
filesystem.
|
||
In other words, you have downloaded
|
||
and installed a pre-built toolchain
|
||
for an existing image.
|
||
</para></listitem>
|
||
<listitem><para><emphasis>
|
||
<filename>Build System Derived Toolchain:</filename></emphasis>
|
||
Select this type if you built the
|
||
toolchain as part of the
|
||
<ulink url='&YOCTO_DOCS_DEV_URL;#build-directory'>Build Directory</ulink>.
|
||
When you select
|
||
<filename>Build system derived toolchain</filename>,
|
||
you are using the toolchain built and
|
||
bundled inside the Build Directory.
|
||
For example, suppose you created a
|
||
suitable image using the steps in the
|
||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'>wiki</ulink>.
|
||
In this situation, you would select the
|
||
<filename>Build system derived toolchain</filename>.
|
||
</para></listitem>
|
||
</itemizedlist>
|
||
</para></listitem>
|
||
<listitem><para><emphasis>Specify the Toolchain Root Location:</emphasis>
|
||
If you are using a stand-alone pre-built
|
||
toolchain, you should be pointing to where it is
|
||
installed (e.g.
|
||
<filename>/opt/poky/&DISTRO;</filename>).
|
||
See the
|
||
"<link linkend='sdk-installing-the-sdk'>Installing the SDK</link>"
|
||
section for information about how the SDK is
|
||
installed.</para>
|
||
<para>If you are using a build system derived
|
||
toolchain, the path you provide for the
|
||
<filename>Toolchain Root Location</filename>
|
||
field is the
|
||
<ulink url='&YOCTO_DOCS_DEV_URL;#build-directory'>Build Directory</ulink>
|
||
from which you run the
|
||
<filename>bitbake</filename> command (e.g
|
||
<filename>/home/scottrif/poky/build</filename>).</para>
|
||
<para>For more information, see the
|
||
"<link linkend='sdk-building-an-sdk-installer'>Building an SDK Installer</link>"
|
||
section.
|
||
</para></listitem>
|
||
<listitem><para><emphasis>Specify Sysroot Location:</emphasis>
|
||
This location is where the root filesystem for
|
||
the target hardware resides.
|
||
</para>
|
||
<para>This location depends on where you
|
||
separately extracted and installed the target
|
||
filesystem.
|
||
As an example, suppose you prepared an image
|
||
using the steps in the
|
||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'>wiki</ulink>.
|
||
If so, the <filename>MY_QEMU_ROOTFS</filename>
|
||
directory is found in the
|
||
<ulink url='&YOCTO_DOCS_DEV_URL;#build-directory'>Build Directory</ulink>
|
||
and you would browse to and select that directory
|
||
(e.g. <filename>/home/scottrif/build/MY_QEMU_ROOTFS</filename>).
|
||
</para>
|
||
<para>For more information on how to install the
|
||
toolchain and on how to extract and install the
|
||
sysroot filesystem, see the
|
||
"<link linkend='sdk-building-an-sdk-installer'>Building an SDK Installer</link>"
|
||
section.
|
||
</para></listitem>
|
||
<listitem><para><emphasis>Select the Target Architecture:</emphasis>
|
||
The target architecture is the type of hardware
|
||
you are going to use or emulate.
|
||
Use the pull-down
|
||
<filename>Target Architecture</filename> menu
|
||
to make your selection.
|
||
The pull-down menu should have the supported
|
||
architectures.
|
||
If the architecture you need is not listed in
|
||
the menu, you will need to build the image.
|
||
See the
|
||
"<ulink url='&YOCTO_DOCS_QS_URL;#qs-building-images'>Building Images</ulink>"
|
||
section of the Yocto Project Quick Start for
|
||
more information.
|
||
You can also see the
|
||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'>wiki</ulink>.
|
||
</para></listitem>
|
||
</itemizedlist>
|
||
</para>
|
||
</section>
|
||
|
||
<section id='mars-configuring-the-target-options'>
|
||
<title>Configuring the Target Options</title>
|
||
|
||
<para>
|
||
You can choose to emulate hardware using the QEMU
|
||
emulator, or you can choose to run your image on actual
|
||
hardware.
|
||
<itemizedlist>
|
||
<listitem><para><emphasis>QEMU:</emphasis>
|
||
Select this option if you will be using the
|
||
QEMU emulator.
|
||
If you are using the emulator, you also need to
|
||
locate the kernel and specify any custom
|
||
options.</para>
|
||
<para>If you selected the
|
||
<filename>Build system derived toolchain</filename>,
|
||
the target kernel you built will be located in
|
||
the
|
||
<ulink url='&YOCTO_DOCS_DEV_URL;#build-directory'>Build Directory</ulink>
|
||
in
|
||
<filename>tmp/deploy/images/<replaceable>machine</replaceable></filename>
|
||
directory.
|
||
As an example, suppose you performed the steps in
|
||
the
|
||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'>wiki</ulink>.
|
||
In this case, you specify your Build Directory path
|
||
followed by the image (e.g.
|
||
<filename>/home/scottrif/poky/build/tmp/deploy/images/qemux86/bzImage-qemux86.bin</filename>).
|
||
</para>
|
||
<para>If you selected the standalone pre-built
|
||
toolchain, the pre-built image you downloaded is
|
||
located in the directory you specified when you
|
||
downloaded the image.</para>
|
||
<para>Most custom options are for advanced QEMU
|
||
users to further customize their QEMU instance.
|
||
These options are specified between paired
|
||
angled brackets.
|
||
Some options must be specified outside the
|
||
brackets.
|
||
In particular, the options
|
||
<filename>serial</filename>,
|
||
<filename>nographic</filename>, and
|
||
<filename>kvm</filename> must all be outside the
|
||
brackets.
|
||
Use the <filename>man qemu</filename> command
|
||
to get help on all the options and their use.
|
||
The following is an example:
|
||
<literallayout class='monospaced'>
|
||
serial ‘<-m 256 -full-screen>’
|
||
</literallayout></para>
|
||
<para>
|
||
Regardless of the mode, Sysroot is already
|
||
defined as part of the Cross-Compiler Options
|
||
configuration in the
|
||
<filename>Sysroot Location:</filename> field.
|
||
</para></listitem>
|
||
<listitem><para><emphasis>External HW:</emphasis>
|
||
Select this option if you will be using actual
|
||
hardware.</para></listitem>
|
||
</itemizedlist>
|
||
</para>
|
||
|
||
<para>
|
||
Click the "Apply" and "OK" to save your plug-in
|
||
configurations.
|
||
</para>
|
||
</section>
|
||
</section>
|
||
</section>
|
||
|
||
<section id='mars-creating-the-project'>
|
||
<title>Creating the Project</title>
|
||
|
||
<para>
|
||
You can create two types of projects: Autotools-based, or
|
||
Makefile-based.
|
||
This section describes how to create Autotools-based projects
|
||
from within the Eclipse IDE.
|
||
For information on creating Makefile-based projects in a
|
||
terminal window, see the
|
||
"<link linkend='makefile-based-projects'>Makefile-Based Projects</link>"
|
||
section.
|
||
<note>
|
||
Do not use special characters in project names
|
||
(e.g. spaces, underscores, etc.). Doing so can
|
||
cause configuration to fail.
|
||
</note>
|
||
</para>
|
||
|
||
<para>
|
||
To create a project based on a Yocto template and then display
|
||
the source code, follow these steps:
|
||
<orderedlist>
|
||
<listitem><para>Select "C Project" from the "File -> New" menu.
|
||
</para></listitem>
|
||
<listitem><para>Expand <filename>Yocto Project SDK Autotools Project</filename>.
|
||
</para></listitem>
|
||
<listitem><para>Select <filename>Hello World ANSI C Autotools Projects</filename>.
|
||
This is an Autotools-based project based on a Yocto
|
||
template.
|
||
</para></listitem>
|
||
<listitem><para>Put a name in the <filename>Project name:</filename>
|
||
field.
|
||
Do not use hyphens as part of the name
|
||
(e.g. <filename>hello</filename>).
|
||
</para></listitem>
|
||
<listitem><para>Click "Next".
|
||
</para></listitem>
|
||
<listitem><para>Add appropriate information in the various
|
||
fields.
|
||
</para></listitem>
|
||
<listitem><para>Click "Finish".
|
||
</para></listitem>
|
||
<listitem><para>If the "open perspective" prompt appears,
|
||
click "Yes" so that you in the C/C++ perspective.
|
||
</para></listitem>
|
||
<listitem><para>The left-hand navigation pane shows your
|
||
project.
|
||
You can display your source by double clicking the
|
||
project's source file.
|
||
</para></listitem>
|
||
</orderedlist>
|
||
</para>
|
||
</section>
|
||
|
||
<section id='mars-configuring-the-cross-toolchains'>
|
||
<title>Configuring the Cross-Toolchains</title>
|
||
|
||
<para>
|
||
The earlier section,
|
||
"<link linkend='mars-configuring-the-eclipse-yocto-plug-in'>Configuring the Mars Eclipse Yocto Plug-in</link>",
|
||
sets up the default project configurations.
|
||
You can override these settings for a given project by following
|
||
these steps:
|
||
<orderedlist>
|
||
<listitem><para>Select "Yocto Project Settings" from
|
||
the "Project -> Properties" menu.
|
||
This selection brings up the Yocto Project Settings
|
||
Dialog and allows you to make changes specific to an
|
||
individual project.</para>
|
||
<para>By default, the Cross Compiler Options and Target
|
||
Options for a project are inherited from settings you
|
||
provided using the Preferences Dialog as described
|
||
earlier in the
|
||
"<link linkend='mars-configuring-the-eclipse-yocto-plug-in'>Configuring the Mars Eclipse Yocto Plug-in</link>" section.
|
||
The Yocto Project Settings Dialog allows you to override
|
||
those default settings for a given project.
|
||
</para></listitem>
|
||
<listitem><para>Make or verify your configurations for the
|
||
project and click "OK".
|
||
</para></listitem>
|
||
<listitem><para>Right-click in the navigation pane and
|
||
select "Reconfigure Project" from the pop-up menu.
|
||
This selection reconfigures the project by running
|
||
<filename>autogen.sh</filename> in the workspace for
|
||
your project.
|
||
The script also runs <filename>libtoolize</filename>,
|
||
<filename>aclocal</filename>,
|
||
<filename>autoconf</filename>,
|
||
<filename>autoheader</filename>,
|
||
<filename>automake --a</filename>, and
|
||
<filename>./configure</filename>.
|
||
Click on the "Console" tab beneath your source code to
|
||
see the results of reconfiguring your project.
|
||
</para></listitem>
|
||
</orderedlist>
|
||
</para>
|
||
</section>
|
||
|
||
<section id='mars-building-the-project'>
|
||
<title>Building the Project</title>
|
||
|
||
<para>
|
||
To build the project select "Build All" from the
|
||
"Project" menu.
|
||
The console should update and you can note the cross-compiler
|
||
you are using.
|
||
<note>
|
||
When building "Yocto Project SDK Autotools" projects, the
|
||
Eclipse IDE might display error messages for
|
||
Functions/Symbols/Types that cannot be "resolved", even when
|
||
the related include file is listed at the project navigator and
|
||
when the project is able to build.
|
||
For these cases only, it is recommended to add a new linked
|
||
folder to the appropriate sysroot.
|
||
Use these steps to add the linked folder:
|
||
<orderedlist>
|
||
<listitem><para>
|
||
Select the project.
|
||
</para></listitem>
|
||
<listitem><para>
|
||
Select "Folder" from the
|
||
<filename>File > New</filename> menu.
|
||
</para></listitem>
|
||
<listitem><para>
|
||
In the "New Folder" Dialog, select "Link to alternate
|
||
location (linked folder)".
|
||
</para></listitem>
|
||
<listitem><para>
|
||
Click "Browse" to navigate to the include folder inside
|
||
the same sysroot location selected in the Yocto Project
|
||
configuration preferences.
|
||
</para></listitem>
|
||
<listitem><para>
|
||
Click "OK".
|
||
</para></listitem>
|
||
<listitem><para>
|
||
Click "Finish" to save the linked folder.
|
||
</para></listitem>
|
||
</orderedlist>
|
||
</note>
|
||
</para>
|
||
</section>
|
||
|
||
<section id='mars-starting-qemu-in-user-space-nfs-mode'>
|
||
<title>Starting QEMU in User-Space NFS Mode</title>
|
||
|
||
<para>
|
||
To start the QEMU emulator from within Eclipse, follow these
|
||
steps:
|
||
<note>
|
||
See the
|
||
"<ulink url='&YOCTO_DOCS_DEV_URL;#dev-manual-qemu'>Using the Quick EMUlator (QEMU)</ulink>"
|
||
chapter in the Yocto Project Development Manual
|
||
for more information on using QEMU.
|
||
</note>
|
||
<orderedlist>
|
||
<listitem><para>Expose and select "External Tools
|
||
Configurations ..." from the "Run -> External Tools" menu.
|
||
</para></listitem>
|
||
<listitem><para>
|
||
Locate and select your image in the navigation panel to
|
||
the left (e.g. <filename>qemu_i586-poky-linux</filename>).
|
||
</para></listitem>
|
||
<listitem><para>
|
||
Click "Run" to launch QEMU.
|
||
<note>
|
||
The host on which you are running QEMU must have
|
||
the <filename>rpcbind</filename> utility running to be
|
||
able to make RPC calls on a server on that machine.
|
||
If QEMU does not invoke and you receive error messages
|
||
involving <filename>rpcbind</filename>, follow the
|
||
suggestions to get the service running.
|
||
As an example, on a new Ubuntu 16.04 LTS installation,
|
||
you must do the following in order to get QEMU to
|
||
launch:
|
||
<literallayout class='monospaced'>
|
||
$ sudo apt-get install rpcbind
|
||
</literallayout>
|
||
After installing <filename>rpcbind</filename>, you
|
||
need to edit the
|
||
<filename>/etc/init.d/rpcbind</filename> file to
|
||
include the following line:
|
||
<literallayout class='monospaced'>
|
||
OPTIONS="-i -w"
|
||
</literallayout>
|
||
After modifying the file, you need to start the
|
||
service:
|
||
<literallayout class='monospaced'>
|
||
$ sudo service portmap restart
|
||
</literallayout>
|
||
</note>
|
||
</para></listitem>
|
||
<listitem><para>If needed, enter your host root password in
|
||
the shell window at the prompt.
|
||
This sets up a <filename>Tap 0</filename> connection
|
||
needed for running in user-space NFS mode.
|
||
</para></listitem>
|
||
<listitem><para>Wait for QEMU to launch.
|
||
</para></listitem>
|
||
<listitem><para>Once QEMU launches, you can begin operating
|
||
within that environment.
|
||
One useful task at this point would be to determine the
|
||
IP Address for the user-space NFS by using the
|
||
<filename>ifconfig</filename> command.
|
||
The IP address of the QEMU machine appears in the
|
||
xterm window.
|
||
You can use this address to help you see which particular
|
||
IP address the instance of QEMU is using.
|
||
</para></listitem>
|
||
</orderedlist>
|
||
</para>
|
||
</section>
|
||
|
||
<section id='mars-deploying-and-debugging-the-application'>
|
||
<title>Deploying and Debugging the Application</title>
|
||
|
||
<para>
|
||
Once the QEMU emulator is running the image, you can deploy
|
||
your application using the Eclipse IDE and then use
|
||
the emulator to perform debugging.
|
||
Follow these steps to deploy the application.
|
||
<note>
|
||
Currently, Eclipse does not support SSH port forwarding.
|
||
Consequently, if you need to run or debug a remote
|
||
application using the host display, you must create a
|
||
tunneling connection from outside Eclipse and keep
|
||
that connection alive during your work.
|
||
For example, in a new terminal, run the following:
|
||
<literallayout class='monospaced'>
|
||
$ ssh -XY <replaceable>user_name</replaceable>@<replaceable>remote_host_ip</replaceable>
|
||
</literallayout>
|
||
Using the above form, here is an example:
|
||
<literallayout class='monospaced'>
|
||
$ ssh -XY root@192.168.7.2
|
||
</literallayout>
|
||
After running the command, add the command to be executed
|
||
in Eclipse's run configuration before the application
|
||
as follows:
|
||
<literallayout class='monospaced'>
|
||
export DISPLAY=:10.0
|
||
</literallayout>
|
||
Be sure to not destroy the connection during your QEMU
|
||
session (i.e. do not
|
||
exit out of or close that shell).
|
||
</note>
|
||
<orderedlist>
|
||
<listitem><para>Select "Debug Configurations..." from the
|
||
"Run" menu.</para></listitem>
|
||
<listitem><para>In the left area, expand
|
||
<filename>C/C++Remote Application</filename>.
|
||
</para></listitem>
|
||
<listitem><para>Locate your project and select it to bring
|
||
up a new tabbed view in the Debug Configurations Dialog.
|
||
</para></listitem>
|
||
<listitem><para>Click on the "Debugger" tab to see the
|
||
cross-tool debugger you are using.
|
||
Be sure to change to the debugger perspective in Eclipse.
|
||
</para></listitem>
|
||
<listitem><para>Click on the "Main" tab.
|
||
</para></listitem>
|
||
<listitem><para>Create a new connection to the QEMU instance
|
||
by clicking on "new".</para></listitem>
|
||
<listitem><para>Select <filename>SSH</filename>, which means
|
||
Secure Socket Shell.
|
||
Optionally, you can select an TCF connection instead.
|
||
</para></listitem>
|
||
<listitem><para>Click "Next".
|
||
</para></listitem>
|
||
<listitem><para>Clear out the "Connection name" field and
|
||
enter any name you want for the connection.
|
||
</para></listitem>
|
||
<listitem><para>Put the IP address for the connection in
|
||
the "Host" field.
|
||
For QEMU, the default is <filename>192.168.7.2</filename>.
|
||
However, if a previous QEMU session did not exit
|
||
cleanly, the IP address increments (e.g.
|
||
<filename>192.168.7.3</filename>).
|
||
<note>
|
||
You can find the IP address for the current QEMU
|
||
session by looking in the xterm that opens when
|
||
you launch QEMU.
|
||
</note>
|
||
</para></listitem>
|
||
<listitem><para>Enter <filename>root</filename>, which
|
||
is the default for QEMU, for the "User" field.
|
||
Be sure to leave the password field empty.
|
||
</para></listitem>
|
||
<listitem><para>Click "Finish" to close the
|
||
New Connections Dialog.
|
||
</para></listitem>
|
||
<listitem><para>If necessary, use the drop-down menu now in the
|
||
"Connection" field and pick the IP Address you entered.
|
||
</para></listitem>
|
||
<listitem><para>Assuming you are connecting as the root user,
|
||
which is the default for QEMU x86-64 SDK images provided by
|
||
the Yocto Project, in the "Remote Absolute File Path for
|
||
C/C++ Application" field, browse to
|
||
<filename>/home/root</filename>.
|
||
You could also browse to any other path you have write
|
||
access to on the target such as
|
||
<filename>/usr/bin</filename>.
|
||
This location is where your application will be located on
|
||
the QEMU system.
|
||
If you fail to browse to and specify an appropriate
|
||
location, QEMU will not understand what to remotely
|
||
launch.
|
||
Eclipse is helpful in that it auto fills your application
|
||
name for you assuming you browsed to a directory.
|
||
<note>
|
||
If you are prompted to provide a username and to
|
||
optionally set a password, be sure you provide
|
||
"root" as the username and you leave the password
|
||
field blank.
|
||
</note>
|
||
</para></listitem>
|
||
<listitem><para>
|
||
Be sure you change to the "Debug" perspective in Eclipse.
|
||
</para></listitem>
|
||
<listitem><para>Click "Debug"
|
||
</para></listitem>
|
||
<listitem><para>Accept the debug perspective.
|
||
</para></listitem>
|
||
</orderedlist>
|
||
</para>
|
||
</section>
|
||
|
||
<section id='mars-using-Linuxtools'>
|
||
<title>Using Linuxtools</title>
|
||
|
||
<para>
|
||
As mentioned earlier in the manual, performance tools exist
|
||
(Linuxtools) that enhance your development experience.
|
||
These tools are aids in developing and debugging applications and
|
||
images.
|
||
You can run these tools from within the Eclipse IDE through the
|
||
"Linuxtools" menu.
|
||
</para>
|
||
|
||
<para>
|
||
For information on how to configure and use these tools, see
|
||
<ulink url='http://www.eclipse.org/linuxtools/'>http://www.eclipse.org/linuxtools/</ulink>.
|
||
</para>
|
||
</section>
|
||
</appendix>
|
||
<!--
|
||
vim: expandtab tw=80 ts=4
|
||
-->
|