On Tue, Jun 7, 2011 at 10:52 PM, Ian Lance Taylor <i...@google.com> wrote: > Liu <pro...@gmail.com> writes: > >> Yes, I am working on a new gcc target, it almost finished but PIC and >> dynamic linking. >> They want me make the toolchain support PIC and dynamic linking. I'm >> not sure what should I do, will you show me a path? > > [ Sorry for my earlier reply, I see now that you did also reply to the > mailing list. ] > > The first and most important thing you need to do is work out the ABI > for position independent code and dynamic linking. This is not a gcc > issue. It will depend entirely on how your processor works. You need > to design code sequences for position independent function calls and > access to global variables. I recommend reading one of the ELF > processor supplements--several are available online--to see how they > generally work. There is also a short introduction to these ideas at > http://www.airs.com/blog/archives/41 . > > Once you've figured out what code you need to generate, then you can > think about how to represent it in gcc. > > Ian >
Thank you Ian. I'll read your blog and find a simple and complete port to read. Liu
