Re: gold plugin support

[Cary Coutant <ccoutant at google dot com>]

The linker plugin API is described here:

   https://gcc.gnu.org/wiki/whopr/driver

The header file in include/plugin-api.h also goes into some detail.

It's implemented in both gold and the BFD ld.

The API was designed for LTO (link-time optimization), so I'm not sure
that it provides the hooks you'd need to do what you described.

-cary


On Thu, Nov 20, 2014 at 11:21 AM, K Jski <bielsk1@vt.edu> wrote:
> Dear BinUtils,
>
> I am working on a custom function-address-aligner in order to produce
> an aarch64 binary. I have already tried achieving this with the linaro
> (4.9-2014.10 version to be exact) aarch64-toolchain utilizing their
> aarch64-linux-gnu-ld with the --defsym flag without success. (it does
> align but this causes my micro-test to segfault)
>
> Another approach I had thought of was to write a gold plugin and use
> gold to achieve though I'm having trouble finding any documentation on
> this (like a tutorial for even a super simple plugin )
> the first thing that comes up when I google is LLVM's gold plugin
> which is not what I want I assume. I have dug though gold src code and
> have found a plugin object but its leaving me with not much to work
> with.
>
> Thank you,
>
> C Jelesnianski