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[/] [test_project/] [trunk/] [linux_sd_driver/] [fs/] [Kconfig.binfmt] - Rev 62

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config BINFMT_ELF
        bool "Kernel support for ELF binaries"
        depends on MMU && (BROKEN || !FRV)
        default y
        ---help---
          ELF (Executable and Linkable Format) is a format for libraries and
          executables used across different architectures and operating
          systems. Saying Y here will enable your kernel to run ELF binaries
          and enlarge it by about 13 KB. ELF support under Linux has now all
          but replaced the traditional Linux a.out formats (QMAGIC and ZMAGIC)
          because it is portable (this does *not* mean that you will be able
          to run executables from different architectures or operating systems
          however) and makes building run-time libraries very easy. Many new
          executables are distributed solely in ELF format. You definitely
          want to say Y here.

          Information about ELF is contained in the ELF HOWTO available from
          <http://www.tldp.org/docs.html#howto>.

          If you find that after upgrading from Linux kernel 1.2 and saying Y
          here, you still can't run any ELF binaries (they just crash), then
          you'll have to install the newest ELF runtime libraries, including
          ld.so (check the file <file:Documentation/Changes> for location and
          latest version).

config BINFMT_ELF_FDPIC
        bool "Kernel support for FDPIC ELF binaries"
        default y
        depends on (FRV || BLACKFIN)
        help
          ELF FDPIC binaries are based on ELF, but allow the individual load
          segments of a binary to be located in memory independently of each
          other. This makes this format ideal for use in environments where no
          MMU is available as it still permits text segments to be shared,
          even if data segments are not.

          It is also possible to run FDPIC ELF binaries on MMU linux also.

config BINFMT_FLAT
        tristate "Kernel support for flat binaries"
        depends on !MMU
        help
          Support uClinux FLAT format binaries.

config BINFMT_ZFLAT
        bool "Enable ZFLAT support"
        depends on BINFMT_FLAT
        select ZLIB_INFLATE
        help
          Support FLAT format compressed binaries

config BINFMT_SHARED_FLAT
        bool "Enable shared FLAT support"
        depends on BINFMT_FLAT
        help
          Support FLAT shared libraries

config BINFMT_AOUT
        tristate "Kernel support for a.out and ECOFF binaries"
        depends on X86_32 || ALPHA || ARM || M68K || SPARC32
        ---help---
          A.out (Assembler.OUTput) is a set of formats for libraries and
          executables used in the earliest versions of UNIX.  Linux used
          the a.out formats QMAGIC and ZMAGIC until they were replaced
          with the ELF format.

          The conversion to ELF started in 1995.  This option is primarily
          provided for historical interest and for the benefit of those
          who need to run binaries from that era.

          Most people should answer N here.  If you think you may have
          occasional use for this format, enable module support above
          and answer M here to compile this support as a module called
          binfmt_aout.

          If any crucial components of your system (such as /sbin/init
          or /lib/ld.so) are still in a.out format, you will have to
          say Y here.

config OSF4_COMPAT
        bool "OSF/1 v4 readv/writev compatibility"
        depends on ALPHA && BINFMT_AOUT
        help
          Say Y if you are using OSF/1 binaries (like Netscape and Acrobat)
          with v4 shared libraries freely available from Compaq. If you're
          going to use shared libraries from Tru64 version 5.0 or later, say N.

config BINFMT_EM86
        tristate "Kernel support for Linux/Intel ELF binaries"
        depends on ALPHA
        ---help---
          Say Y here if you want to be able to execute Linux/Intel ELF
          binaries just like native Alpha binaries on your Alpha machine. For
          this to work, you need to have the emulator /usr/bin/em86 in place.

          You can get the same functionality by saying N here and saying Y to
          "Kernel support for MISC binaries".

          You may answer M to compile the emulation support as a module and
          later load the module when you want to use a Linux/Intel binary. The
          module will be called binfmt_em86. If unsure, say Y.

config BINFMT_SOM
        tristate "Kernel support for SOM binaries"
        depends on PARISC && HPUX
        help
          SOM is a binary executable format inherited from HP/UX.  Say
          Y here to be able to load and execute SOM binaries directly.

config BINFMT_MISC
        tristate "Kernel support for MISC binaries"
        ---help---
          If you say Y here, it will be possible to plug wrapper-driven binary
          formats into the kernel. You will like this especially when you use
          programs that need an interpreter to run like Java, Python, .NET or
          Emacs-Lisp. It's also useful if you often run DOS executables under
          the Linux DOS emulator DOSEMU (read the DOSEMU-HOWTO, available from
          <http://www.tldp.org/docs.html#howto>). Once you have
          registered such a binary class with the kernel, you can start one of
          those programs simply by typing in its name at a shell prompt; Linux
          will automatically feed it to the correct interpreter.

          You can do other nice things, too. Read the file
          <file:Documentation/binfmt_misc.txt> to learn how to use this
          feature, <file:Documentation/java.txt> for information about how
          to include Java support. and <file:Documentation/mono.txt> for
          information about how to include Mono-based .NET support.

          To use binfmt_misc, you will need to mount it:
                mount binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc

          You may say M here for module support and later load the module when
          you have use for it; the module is called binfmt_misc. If you
          don't know what to answer at this point, say Y.

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