[src/trunk]: src/sys/rump Build RUMP with -fno-delete-null-pointer-checks on ...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/61c892c0b5cf
branches:  trunk
changeset: 1008054:61c892c0b5cf
user:      kamil <kamil%NetBSD.org@localhost>
date:      Mon Mar 09 00:03:00 2020 +0000

description:
Build RUMP with -fno-delete-null-pointer-checks on all compilers

no-delete-null-pointer-checks is required in Clang/LLVM at least for
NULL + 0 operations that trigger LLVM UBSan and could be miscompiled.

diffstat:

 sys/rump/Makefile.rump |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (20 lines):

diff -r 2bfac1e7f7ee -r 61c892c0b5cf sys/rump/Makefile.rump
--- a/sys/rump/Makefile.rump    Sun Mar 08 22:42:35 2020 +0000
+++ b/sys/rump/Makefile.rump    Mon Mar 09 00:03:00 2020 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.rump,v 1.125 2020/02/20 22:52:10 joerg Exp $
+#      $NetBSD: Makefile.rump,v 1.126 2020/03/09 00:03:00 kamil Exp $
 #
 
 .if !defined(_RUMP_MK)
@@ -22,7 +22,9 @@
 # We are compiling the kernel code with no-delete-null-pointer-checks,
 # and compiling without it, causes issues at least on sh3 by adding
 # aborts after kern_assert on NULL pointer checks.
-CFLAGS+=    ${${ACTIVE_CC} == "gcc":? -fno-delete-null-pointer-checks :}
+# no-delete-null-pointer-checks is required in Clang/LLVM at least for
+# NULL + 0 operations that trigger LLVM UBSan and could be miscompiled.
+CFLAGS+=    -fno-delete-null-pointer-checks
 
 # Define baseline cpu for mips ports, required for
 # rumpcomp_sync_icache() hypercall.