Module Name: src
Committed By: kamil
Date: Fri May 29 00:05:26 UTC 2020
Modified Files:
src/sys/rump: Makefile.rump
Log Message:
Set -fno-delete-null-pointer-checks for RUMP/MKSANITIZER with Clang
NULL + 0 arithmetic raises LLVM UBSan warnings, specially in sys/pslist.h
in the type-safe macros _PSLIST_VALIDATE_PTRS and _PSLIST_VALIDATE_CONTAINER.
Proposes on <tech-userlevel> without objections.
To generate a diff of this commit:
cvs rdiff -u -r1.127 -r1.128 src/sys/rump/Makefile.rump
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/rump/Makefile.rump
diff -u src/sys/rump/Makefile.rump:1.127 src/sys/rump/Makefile.rump:1.128
--- src/sys/rump/Makefile.rump:1.127 Mon Mar 9 14:45:41 2020
+++ src/sys/rump/Makefile.rump Fri May 29 00:05:26 2020
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.rump,v 1.127 2020/03/09 14:45:41 kamil Exp $
+# $NetBSD: Makefile.rump,v 1.128 2020/05/29 00:05:26 kamil Exp $
#
.if !defined(_RUMP_MK)
@@ -24,6 +24,12 @@ CPPFLAGS+= -D_RUMPKERNEL -I${RUMPTOP}/li
# aborts after kern_assert on NULL pointer checks.
CFLAGS+= ${${ACTIVE_CC} == "gcc":? -fno-delete-null-pointer-checks :}
+# NULL + 0 arithmetic raises LLVM UBSan warnings, specially in sys/pslist.h
+# in the type-safe macros _PSLIST_VALIDATE_PTRS and _PSLIST_VALIDATE_CONTAINER.
+.if ${MKSANITIZER:Uno} == "yes" || ${MKLIBCSANITIZER:Uno} == "yes"
+CFLAGS+= ${${ACTIVE_CC} == "clang":? -fno-delete-null-pointer-checks :}
+.endif
+
# Define baseline cpu for mips ports, required for
# rumpcomp_sync_icache() hypercall.
.if !empty(MACHINE_ARCH:Mmips*)
