|xflat/arch-include||This directory contains header files that intended be included only by the user space target applications. Compare to xflat/sys-include.|
|xflat/kernel/binfmt||This directory contains kernel plug-in modules
that enable the kernel to recognized xFLT binary files.
These plug-ins are installed via:
If an xFLT program fails to execute, one possibility is that you may have forgotten to install this module.
|xflat/kernel/binfmt/linux-2.0||This directory provides the binfmt_xflat module for the linux-2.0.x kernel.|
|xflat/kernel/binfmt/linux-2.4||This directory provides the binfmt_xflat module for the linux-2.4.x kernel.|
|xflat/kernel/binfmt/linux-2.6||This directory provides the binfmt_xflat module for the linux-2.6.x kernel.|
|xflat/kernel/patches||This directory provides various patches to (1) incorporate XFALT signal handling into the Linux kernel, and (2) to install the binfmt_xflat source files into the kernel tree (vs. building binfmt_xflat outside of the kernel source tree as a kernel module).|
|xflat/Documentation||Miscellaneous documentation for the Shared Library support software.|
|xflat/gcc||Miscellaneous information about compiler support issues.|
|xflat/ldso||The xflat dynamic loader.|
|xflat/ldso/xflat-ldso||The directory xflat-ldso contains the xflat dynamic loader for the target architecture. This is the loader that is installed in the target machine's file system.|
|xflat/ldso/simldso||The directory simldso contains a test harness that can be used to execute all most of the binfmt_xflat logic and most of the ld-xflat.so logic on the host machine -- everything up to the point where control is handed off to the application's _start entry point. Look at the scripts dohello and dohello-nolibc for information on using the simulator.|
|xflat/libc||Includes: (1) A makefile that will build the xflat C library, libc-xflat.so.1, from whatever version of libc you are currently using, and (2) special C startup files (crt0.o) for xflat shared libraries.|
|xflat/sys-include||This directory contains header files that are only for inclusion by host-based programs and by target system code. Note that this directory simply contains links to a subset of the header files in xflat/arch-include|
|xflat/tests||Contains several subdirectories that provide both tests and examples of the xflat shared library support.|
|xflat/tests/thunk||This test builds a *flat* executable but forces an xflat-style "thunk" layer between two flat functions. This allows you to use the flat tool chain to debug the lowest level xflat thunk assembly language. Could be useful! But, this test does not currently execute due to compiler issues! (see xflat/gcc/README).|
|xflat/tests/hello-nolibc||This test generates its output via kernel syscalls.
As a result, it can be used before you have a working
libc-xflat.so. This test will verify that:
|xflat/tests/hello||The standard hello world program that talks
to the console via libc-xflat.so using printf statements.
|xflat/tests/errno||Provides a tests of access to global variables exported from the libc shared library: stdout, stderr, errno.|
|xflat/tests/fcnptr||Provides of test of the logic to pass function pointers between modules and to perform callbacks using these function pointers from within a shared library. this test does not currently execute due to compiler issues! (see xflat/gcc/README).|
|xflat/xflatlib||This directory contains common xFLT logic -- the xflatlib. This library of routines is used to standardize access to xFLT files. This library is used by the xflat/binfmt kernel modules, by the xFLT dynamic loader in xflat/ldso/xflat-ldso, and by the simulation in xflat/ldso/simldso.|
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