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Re: ELF and Linking for heterogeneous multicore embedded systems
- From: Carlos O'Donell <carlos at redhat dot com>
- To: "Martin J. O'Riordan" <MartinO at theheart dot ie>, binutils at sourceware dot org
- Date: Fri, 4 Aug 2017 14:59:38 -0400
- Subject: Re: ELF and Linking for heterogeneous multicore embedded systems
- Authentication-results: sourceware.org; auth=none
- References: <email@example.com>
On 08/04/2017 06:21 AM, Martin J. O'Riordan wrote:
> How do other people address these kinds of issues for their multicore
> systems, homogeneous or heterogeneous?
There are no elegant solutions because there has been no real need.
Today the biggest drivers are:
* CPU / FPGA combinations.
* CPU / GPU combinations.
They are all usually proprietary and use a single ELF binary with embedded
data in specially named sections.
The notion of a multi-arch ELF binary doesn't exist, and relocation
numbers overlap between architectures, so you would really really need
to find a way to isolate the architecture components.
Your only option is probably FatELF , and it would be nice if we saw
more universal acceptance of something like that.