RFC: ELF prelinker - 0.1.1
James Cownie
jcownie@etnus.com
Thu Jul 5 06:08:00 GMT 2001
> Anyway, from my initial look at DWARF2, DWARF2 relocation will be fairly
> easy as that format is nicely designed. Nothing in LEB128 format needs to be
> relocated, essentially:
> - nothing in .debug_abbrev
> - don't have to care about .eh_frame, since it is SHF_ALLOC and has its REL{,A} section
> - no addresses which need relocation, can be in LEB128 format (how would
> static linker work in that case?), there is nothing like R_IA64_ULEB128,
> is it? From my current brief look at DWARF2, DW_FORM_addr format
> attributes will have to be adjusted, plus DW_OP_addr's, will need to check
> some more if I haven't missed something
> - will need to figure out what to do about the rest of .debug_* sections -
> but the prelinker will certainly just bail out if it finds a debug section
> or its format which it does not recognize.
OK, you'll need to look at (at least) .debug_line and .debug_info.
Good luck !
-- Jim
James Cownie <jcownie@etnus.com>
Etnus, LLC. +44 117 9071438
http://www.etnus.com
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