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README - elf2flt
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README - elf2emcoreapp
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----------------
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----------------------
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Copyright (C) 2011, Michael Sparmann
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Based on elf2flt:
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Copyright (C) 2001-2003, SnapGear (www.snapgear.com)
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Copyright (C) 2001-2003, SnapGear (www.snapgear.com)
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davidm@snapgear.com
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davidm@snapgear.com
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gerg@snapgear.com
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gerg@snapgear.com
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This is Free Software, under the GNU Public Licence v2 or greater.  See
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This is Free Software, under the GNU Public Licence v2 or greater.  See
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LICENSE.TXT for more details.
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LICENSE.TXT for more details.
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Elf2flt with PIC, ZFLAT and full reloc support. Currently supported
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targets include: m68k/ColdFire, ARM, Sparc, NEC v850, MicroBlaze,
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h8300, SuperH, and Blackfin.
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COMPILING:
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COMPILING:
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You need an appropriate libbfd.a and libiberty.a for your target to
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You need an appropriate libbfd.a and libiberty.a for your target to
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build this tool. They are normally part of the binutils package.
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build this tool. They are normally part of the binutils package.
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To compile elf2flt do:
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To compile elf2emcoreapp do:
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    ./configure --target=<ARCH> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>
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    ./configure --target=<ARCH> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>
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    make
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    make
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    make install
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    make install
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specify where the libbfd.a and libiberty.a library files are to use.
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specify where the libbfd.a and libiberty.a library files are to use.
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FILES:
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FILES:
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README      - this file
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README          - this file
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configure   - autoconf configuration shell script
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configure       - autoconf configuration shell script
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configure.in- original autoconf file
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configure.in    - original autoconf file
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config.*    - autoconf support scripts
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config.*        - autoconf support scripts
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Makefile.in - Makefile template used by configure
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Makefile.in     - Makefile template used by configure
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elf2flt.c   - the source
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elf2emcoreapp.c - the source
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flthdr.c    - flat header manipulation program
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flat.h      - header from uClinux kernel sources
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elf2flt.ld  - an example linker script that works for C/C++ and uClinux
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ld-elf2flt  - A linker replacement that implements a -elf2flt option for the
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              linker and runs elf2flt automatically for you.  It auto
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              detects PIC/non-PIC code and adjusts its option accordingly.
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              It uses the environment variable FLTFLAGS when running
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              elf2flt.  It runs /.../m68k-elf-ld.real to do the actual
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              linking.
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TIPS:
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TIPS:
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The ld-elf2flt produces 2 files as output.  The binary flat file X, and
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If you are using the Rockbox toolchain, you'll need to kill rockboxdev.sh
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X.gdb which is used for debugging and PIC purposes.
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The '-p' option requires an elf executable linked at address 0.  The
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after it compiled libbfd and before it removes the binutils build directory.
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elf2flt.ld provided will generate the correct format binary when linked
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Use the following configure command:
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with the real linker with *no* '-r' option for the linker.
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./configure --target=arm-elf-eabi \
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The '-r' flag can be added to PIC builds to get contiguous code/data.  This
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            --with-binutils-build-dir=/tmp/rbdev-build/build-binutils \
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is good for loading application symbols into gdb (add-symbol-file XXX.gdb).
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	    --with-libiberty=/usr/lib/libiberty.a
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This worked fine for me. --TheSeven