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Re: [PATCH V2 0/9] eBPF support for GNU binutils
- From: jose dot marchesi at oracle dot com (Jose E. Marchesi)
- To: binutils at sourceware dot org
- Date: Wed, 22 May 2019 20:55:00 +0200
- Subject: Re: [PATCH V2 0/9] eBPF support for GNU binutils
- References: <20190522152347.21626-1-jose.marchesi@oracle.com>
The fourth patch adds a CGEN cpu description for eBPF, plus support
code. This description covers the full eBPF ISA. Due to the 64-bit
instruction fields used in some instructions, we needed to fix a
bug/limitation in CGEN impacting 32-bit hosts. The fix is in a patch
submitted to CGEN last week, that is still waiting for review:
http://www.sourceware.org/ml/cgen/2019-q2/msg00008.html None of the
existing CGEN ports in binutils are impacted by that patch: the code
generated for these remains exactly the same.
The CGEN patch referred above was just merged upstream.