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[Qemu-devel] [PATCH v3 07/18] build-sys: add some sanitizers when --enab
From: |
Marc-André Lureau |
Subject: |
[Qemu-devel] [PATCH v3 07/18] build-sys: add some sanitizers when --enable-debug if possible |
Date: |
Thu, 4 Jan 2018 17:05:12 +0100 |
Enable ASAN/UBSan by default if the compiler supports it.
Typical slowdown introduced by AddressSanitizer is 2x.
UBSan shouldn't have much impact on runtime cost.
Signed-off-by: Marc-André Lureau <address@hidden>
---
configure | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/configure b/configure
index 3953859314..de1477c93a 100755
--- a/configure
+++ b/configure
@@ -5161,6 +5161,13 @@ if test "$gcov" = "yes" ; then
elif test "$fortify_source" = "yes" ; then
CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
elif test "$debug" = "yes"; then
+ write_c_skeleton;
+ if compile_prog "-fsanitize=address" ""; then
+ CFLAGS="-fsanitize=address $CFLAGS"
+ fi
+ if compile_prog "-fsanitize=undefined" ""; then
+ CFLAGS="-fsanitize=undefined $CFLAGS"
+ fi
if compile_prog "-Og" ""; then
CFLAGS="-Og $CFLAGS"
elif compile_prog "-O1" ""; then
--
2.15.1.355.g36791d7216
- [Qemu-devel] [PATCH v3 01/18] build-sys: fix qemu-ga -pthread linking, (continued)
- [Qemu-devel] [PATCH v3 01/18] build-sys: fix qemu-ga -pthread linking, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 02/18] build-sys: silence make by default or V=0, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 03/18] build-sys: add a rule to print a variable, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 04/18] build-sys: compile with -Og or -O1 when --enable-debug, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 05/18] tests/docker: add some sanitizers to fedora dockerfile, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 06/18] tests/docker: add test-debug, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 07/18] build-sys: add some sanitizers when --enable-debug if possible,
Marc-André Lureau <=
- [Qemu-devel] [PATCH v3 08/18] tests: fix check-qobject leak, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 09/18] vl: fix direct firmware directories leak, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 10/18] readline: add a free function, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 11/18] tests: fix migration-test leak, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 12/18] crypto: fix stack-buffer-overflow error, Marc-André Lureau, 2018/01/04
- [Qemu-devel] [PATCH v3 13/18] qemu-config: fix leak in query-command-line-options, Marc-André Lureau, 2018/01/04