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README for GNU Debugger for OpenRISC 1000
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This directory contains only the files for the OpenRISC 1000 port of GDB 6.8
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which differ from standard GDB 6.8.
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To build the OpenRISC 1000 version of GDB 6.8, download and unpack the source
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of standard GDB 6.8 from your favourite mirror. Then copy the files in this
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directory to the corresponding files in the standard GDB 6.8 (this will
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involve overwriting some files).
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For your convenience, snapshots of known stable versions of the port are
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provided as patch files. For example if you have downloaded GDB 6.8 in
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directory gdb-6.8, then the tree could be patched by using:
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cd gdb-6.8
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bzcat -dc ../or32-gdb-6.8-patch-1.0.bz2 | patch -p1
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(assuming the patch file was in hte parent directory)
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GDB can then be built as normal, having configured with target or32-uclinux,
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viz:
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mkdir bd-gdb
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cd bd-gdb
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../gdb-6.8/configure --target=or32-uclinux --prefix= ...
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make all
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make check (optional, needs DejaGNU)
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make install
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Documentation of the port may be found in the modified GDB User Guide (in
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gdb/doc/gdb.texinfo) and in the OpenRISC 1000 tutorial guide (in
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gdb/doc/or1k.texinfo). Build these for HTML or PDF with for example
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cd bd-gdb/gdb/doc
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make html
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make pdf
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If you intend using GDB 6.8 with Or1ksim, the architectural simulator, you
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will need a patch. A patch suitable for use with Or1ksim 0.2.0 (the latest
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stable version, not the current top of CVS tree) is also available for
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download. Apply this to the Or1ksim sources before building. Something like
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the following
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tar zxf or1ksim-0.2.0.tar.gz
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cd or1ksim-0.2.0
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bzcat -dc ../or1ksim-0.2.0-gdb-6.8-patch-1.0.bz2 | patch -p1
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cd ..
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mkdir bd-or1ksim
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cd bd-or1ksim
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../or1ksim-0.2.0/configure --target=or32-uclinux --prefix=
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make all
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make install
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The free Embecosm Application Note EAN2 has full details on all aspects of
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building the toolchain for OpenRISC 1000. For details visit:
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www.embecosm.com/download/index.html
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Much of the code and documentation enclosed is copyright by the Free Software
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Foundation, Inc and others. See the file COPYING or COPYING.LIB in the
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various directories, for a description of the GNU General Public License terms
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under which you can copy the files.
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REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
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on where and how to report problems.
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