git: kernel - Fix memcpy assembly ABI
Matthew Dillon
dillon at crater.dragonflybsd.org
Sat Aug 6 21:27:05 PDT 2016
commit 74857ad3db8fb4082c9162fe8e6e159371132cac
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date: Sat Aug 6 21:25:26 2016 -0700
kernel - Fix memcpy assembly ABI
* memcpy must return the original (dst) argument, and wasn't for the kernel.
Nothing used it explicitly, but gcc sometimes decides to call memcpy and
assumes the correct return value. It was just luck that it hasn't up until
now.
Summary of changes:
sys/platform/pc64/x86_64/support.s | 4 ++++
1 file changed, 4 insertions(+)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/74857ad3db8fb4082c9162fe8e6e159371132cac
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