From: Yousong Zhou <yszhou4tech@gmail.com>
Date: Sat, 19 Oct 2019 12:00:43 +0000 (+0000)
Subject: toolchain: gcc: enable sanitizers for glibc toolchain
X-Git-Tag: v21.02.0-rc1~4725
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=69b9f0161e147d566b3b9572a0bc39a97c257fc0;p=openwrt%2Fopenwrt.git

toolchain: gcc: enable sanitizers for glibc toolchain

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
---

diff --git a/package/libs/toolchain/Makefile b/package/libs/toolchain/Makefile
index a63746c448..c13e9e4928 100644
--- a/package/libs/toolchain/Makefile
+++ b/package/libs/toolchain/Makefile
@@ -138,6 +138,122 @@ define Package/libstdcpp/config
 endef
 
 
+define Package/libasan
+$(call Package/gcc/Default)
+  NAME:=libasan
+  TITLE:=Runtime library for AddressSanitizer in GCC
+  DEPENDS:=@USE_GLIBC +librt +libstdcpp
+  ABI_VERSION:=5
+endef
+
+define Package/libasan/config
+	menu "Configuration"
+	depends on EXTERNAL_TOOLCHAIN && PACKAGE_libasan
+
+	config LIBASAN_ROOT_DIR
+		string
+		prompt "libasan shared library base directory"
+		depends on EXTERNAL_TOOLCHAIN && PACKAGE_libasan
+		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
+		default "/"  if NATIVE_TOOLCHAIN
+
+	config LIBASAN_FILE_SPEC
+		string
+		prompt "libasan shared library files (use wildcards)"
+		depends on EXTERNAL_TOOLCHAIN && PACKAGE_libasan
+		default "./lib/libasan.so.*"
+
+	endmenu
+endef
+
+
+define Package/libtsan
+$(call Package/gcc/Default)
+  NAME:=libtsan
+  TITLE:=Runtime library for ThreadSanitizer in GCC
+  DEPENDS:=@USE_GLIBC +librt +libstdcpp
+  ABI_VERSION:=0
+endef
+
+define Package/libtsan/config
+	menu "Configuration"
+	depends on EXTERNAL_TOOLCHAIN && PACKAGE_libtsan
+
+	config LIBTSAN_ROOT_DIR
+		string
+		prompt "libtsan shared library base directory"
+		depends on EXTERNAL_TOOLCHAIN && PACKAGE_libtsan
+		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
+		default "/"  if NATIVE_TOOLCHAIN
+
+	config LIBTSAN_FILE_SPEC
+		string
+		prompt "libtsan shared library files (use wildcards)"
+		depends on EXTERNAL_TOOLCHAIN && PACKAGE_libtsan
+		default "./lib/libtsan.so.*"
+
+	endmenu
+endef
+
+
+define Package/liblsan
+$(call Package/gcc/Default)
+  NAME:=liblsan
+  TITLE:=Runtime library for LeakSanitizer in GCC
+  DEPENDS:=@USE_GLIBC +librt +libstdcpp
+  ABI_VERSION:=0
+endef
+
+define Package/liblsan/config
+	menu "Configuration"
+	depends on EXTERNAL_TOOLCHAIN && PACKAGE_liblsan
+
+	config LIBLSAN_ROOT_DIR
+		string
+		prompt "liblsan shared library base directory"
+		depends on EXTERNAL_TOOLCHAIN && PACKAGE_liblsan
+		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
+		default "/"  if NATIVE_TOOLCHAIN
+
+	config LIBLSAN_FILE_SPEC
+		string
+		prompt "liblsan shared library files (use wildcards)"
+		depends on EXTERNAL_TOOLCHAIN && PACKAGE_liblsan
+		default "./lib/liblsan.so.*"
+
+	endmenu
+endef
+
+
+define Package/libubsan
+$(call Package/gcc/Default)
+  NAME:=libubsan
+  TITLE:=Runtime library for UndefinedBehaviorSanitizer in GCC
+  DEPENDS:=@USE_GLIBC +librt +libstdcpp
+  ABI_VERSION:=1
+endef
+
+define Package/libubsan/config
+	menu "Configuration"
+	depends on EXTERNAL_TOOLCHAIN && PACKAGE_libubsan
+
+	config LIBUBSAN_ROOT_DIR
+		string
+		prompt "libubsan shared library base directory"
+		depends on EXTERNAL_TOOLCHAIN && PACKAGE_libubsan
+		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
+		default "/"  if NATIVE_TOOLCHAIN
+
+	config LIBUBSAN_FILE_SPEC
+		string
+		prompt "libubsan shared library files (use wildcards)"
+		depends on EXTERNAL_TOOLCHAIN && PACKAGE_libubsan
+		default "./lib/libubsan.so.*"
+
+	endmenu
+endef
+
+
 define Package/libc/Default
   SECTION:=libs
   CATEGORY:=Base system
@@ -413,6 +529,26 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 	$(CP) $(TOOLCHAIN_DIR)/lib/libstdc++.so.* $(1)/usr/lib/
   endef
 
+  define Package/libasan/install
+	$(INSTALL_DIR) $(1)/lib
+	$(CP) $(TOOLCHAIN_DIR)/lib/libasan.so.* $(1)/lib/
+  endef
+
+  define Package/libtsan/install
+	$(INSTALL_DIR) $(1)/lib
+	$(CP) $(TOOLCHAIN_DIR)/lib/libtsan.so.* $(1)/lib/
+  endef
+
+  define Package/liblsan/install
+	$(INSTALL_DIR) $(1)/lib
+	$(CP) $(TOOLCHAIN_DIR)/lib/liblsan.so.* $(1)/lib/
+  endef
+
+  define Package/libubsan/install
+	$(INSTALL_DIR) $(1)/lib
+	$(CP) $(TOOLCHAIN_DIR)/lib/libubsan.so.* $(1)/lib/
+  endef
+
   define Package/glibc/install
 	$(CP) ./glibc-files/* $(1)/
 	rm -f $(1)/etc/localtime
@@ -550,6 +686,38 @@ else
 	exit 0
   endef
 
+  define Package/libasan/install
+	for file in $(call qstrip,$(CONFIG_LIBASAN_FILE_SPEC)); do \
+		$(INSTALL_DIR) $(1)/lib ; \
+		$(CP) $(call qstrip,$(CONFIG_LIBASAN_ROOT_DIR))/$$$$file $(1)/lib/ ; \
+	done ; \
+	exit 0
+  endef
+
+  define Package/libtsan/install
+	for file in $(call qstrip,$(CONFIG_LIBTSAN_FILE_SPEC)); do \
+		$(INSTALL_DIR) $(1)/lib ; \
+		$(CP) $(call qstrip,$(CONFIG_LIBTSAN_ROOT_DIR))/$$$$file $(1)/lib/ ; \
+	done ; \
+	exit 0
+  endef
+
+  define Package/liblsan/install
+	for file in $(call qstrip,$(CONFIG_LIBLSAN_FILE_SPEC)); do \
+		$(INSTALL_DIR) $(1)/lib ; \
+		$(CP) $(call qstrip,$(CONFIG_LIBLSAN_ROOT_DIR))/$$$$file $(1)/lib/ ; \
+	done ; \
+	exit 0
+  endef
+
+  define Package/libubsan/install
+	for file in $(call qstrip,$(CONFIG_LIBUBSAN_FILE_SPEC)); do \
+		$(INSTALL_DIR) $(1)/lib ; \
+		$(CP) $(call qstrip,$(CONFIG_LIBUBSAN_ROOT_DIR))/$$$$file $(1)/lib/ ; \
+	done ; \
+	exit 0
+  endef
+
   define Package/libc/install
 	for file in $(call qstrip,$(CONFIG_LIBC_FILE_SPEC)); do \
 		$(INSTALL_DIR) $(1)/lib ; \
@@ -623,6 +791,10 @@ $(eval $(call BuildPackage,libgcc))
 $(eval $(call BuildPackage,libatomic))
 $(eval $(call BuildPackage,libssp))
 $(eval $(call BuildPackage,libstdcpp))
+$(eval $(call BuildPackage,libasan))
+$(eval $(call BuildPackage,libtsan))
+$(eval $(call BuildPackage,liblsan))
+$(eval $(call BuildPackage,libubsan))
 $(eval $(call BuildPackage,libpthread))
 $(eval $(call BuildPackage,libthread-db))
 $(eval $(call BuildPackage,librt))
diff --git a/toolchain/gcc/final/Makefile b/toolchain/gcc/final/Makefile
index b815f677d6..0315b9d1f1 100644
--- a/toolchain/gcc/final/Makefile
+++ b/toolchain/gcc/final/Makefile
@@ -4,7 +4,6 @@ include ../common.mk
 
 GCC_CONFIGURE += \
 	--with-headers=$(TOOLCHAIN_DIR)/include \
-	--disable-libsanitizer \
 	--enable-languages=$(TARGET_LANGUAGES) \
 	--enable-shared \
 	--enable-threads \
@@ -12,6 +11,10 @@ GCC_CONFIGURE += \
 	--enable-lto \
 	--with-libelf=$(TOPDIR)/staging_dir/host
 
+ifndef CONFIG_USE_GLIBC
+  GCC_CONFIGURE += --disable-libsanitizer
+endif
+
 ifdef CONFIG_USE_MUSL
   GCC_MAKE += gcc_cv_libc_provides_ssp=yes
 endif