Jason Spencer <spencer8@xxxxxxxxxxxxx> writes:
> I'm trying to chase a nasty bug in code generated by
> GCC 2.7.2 on a Motorola PowerPC 603 core. I have to
> understand the register usage conventions the compiler
> uses, but I can't find that in any of the docs.Â
> Specifically, I'm interested in things like which
> register is the "this" pointer, which are used for
> parameters, return values, etc. Is there an easily
> accessible doc that goes through those details for my
> architecture?
See the "Function Calling Sequence" chapter in
http://www.linuxbase.org/spec/ELF/ppc64/PPC-elf64abi-1.7.html
The "this" pointer is normally treated as an invisible first
argument.
Ian
