Patching code/symbols into a dynamic-linked ELF binary

Question

Suppose I have an ELF binary that\'s dynamic linked, and I want to override/redirect certain library calls. I know I can do this with LD_PRELOAD, but I want a solut

Answer 1

I suggest the elfsh et al. tools from the ERESI project, if you want to instrument the ELF files themselves. Compatibility with i386-linux is not a problem, as I've used it myself for the same purpose.

The relevant how-tos are here.