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Relocatable Dynamic Object File Format
%BRDOFF is a relocatable object file format%b whose design goals were
mainly to keep it simple, so that an RDOFF object can be loaded and
executed by a very small piece of code (primarily so that it can be
used by the microkernel of an operating system to store system
modules, which can then go on to load and execute more complex object
files, eg ELF, if so desired), yet still be able to be cope with
everything required by the operating system; linkage of multiple
modules together (possibly with automatic loading of new libraries
that are referred to by the object) at load time, allowing static or
dynamic linking as required by the application.
RDOFF was designed initially to test the object-file production
interface to NASM. It soon became apparent that it could be enhanced
for use in serious applications due to its simplicity; code to load
and execute an RDOFF object module is very simple. It also contains
enhancements to allow it to be linked with a dynamic link library at
either run- or load- time, depending on how complex you wish to make
your loader.
%BFunction keys%b
%IAltF1%i - Display this screen
%IAltF2%i - Display references to external modules
By pressing ENTER you can see external names
and ordinal numbers of functions from selected
module that are required for external link resolving
%IAltF3%i - Display list of exported names
%IAltF4%i - Display list of imported names
%BAddress Resolving%b
%IRDFH:xxxx%i - Current file position is RDOFF header
%Uxxxx%u - local offset within RDOFF header
%I.xxxxxxxx%i - Virtual address
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