Use a different linker for ASan binaries.
Another change in bionic/linker adds linker_asan/linker_asan64 that
know where to find ASan shared libraries.
Also, include linker_asan to the required packages list when building
for ASan.
Change-Id: I8ebe7c0091bbeb0c135708a891d33d9844373d37
diff --git a/core/binary.mk b/core/binary.mk
index 116e261..c8406d8 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -201,6 +201,8 @@
b_lib :=
endif
+my_linker := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LINKER)
+
include $(BUILD_SYSTEM)/config_sanitizers.mk
ifeq ($(strip $($(LOCAL_2ND_ARCH_VAR_PREFIX)WITHOUT_$(my_prefix)CLANG)),true)
@@ -361,6 +363,7 @@
my_cxx := $(SYNTAX_TOOLS_PREFIX)/cxx-syntax $(my_syntax_arch) "$(my_cxx)"
endif
endif
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LINKER := $(my_linker)
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(my_cxx)
$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CLANG := $(my_clang)
diff --git a/core/clang/TARGET_arm.mk b/core/clang/TARGET_arm.mk
index cd25604..5ac5477 100644
--- a/core/clang/TARGET_arm.mk
+++ b/core/clang/TARGET_arm.mk
@@ -70,3 +70,4 @@
# Address sanitizer clang config
$(clang_2nd_arch_prefix)ADDRESS_SANITIZER_RUNTIME_LIBRARY := libclang_rt.asan-arm-android
$(clang_2nd_arch_prefix)ADDRESS_SANITIZER_RPATH := /data/vendor/lib:/$(TARGET_COPY_OUT_VENDOR)/lib:/data/lib
+$(clang_2nd_arch_prefix)ADDRESS_SANITIZER_LINKER := /system/bin/linker_asan
diff --git a/core/clang/TARGET_arm64.mk b/core/clang/TARGET_arm64.mk
index 0861568..5120a6d 100644
--- a/core/clang/TARGET_arm64.mk
+++ b/core/clang/TARGET_arm64.mk
@@ -68,3 +68,4 @@
# Address sanitizer clang config
ADDRESS_SANITIZER_RUNTIME_LIBRARY := libclang_rt.asan-arm64-android
ADDRESS_SANITIZER_RPATH := /data/vendor/lib64:/$(TARGET_COPY_OUT_VENDOR)/lib64:/data/lib64
+ADDRESS_SANITIZER_LINKER := /system/bin/linker_asan64
diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index c911891..c28fff1 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -92,6 +92,7 @@
$(ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES)
my_static_libraries += $(ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES)
my_ldflags += -Wl,-rpath,$($(LOCAL_2ND_ARCH_VAR_PREFIX)ADDRESS_SANITIZER_RPATH)
+ my_linker := $($(LOCAL_2ND_ARCH_VAR_PREFIX)ADDRESS_SANITIZER_LINKER)
endif
endif
diff --git a/core/definitions.mk b/core/definitions.mk
index 442501e..1988cc1 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1510,7 +1510,7 @@
define transform-o-to-executable-inner
$(hide) $(PRIVATE_CXX) -pie \
-nostdlib -Bdynamic \
- -Wl,-dynamic-linker,$($(PRIVATE_2ND_ARCH_VAR_PREFIX)TARGET_LINKER) \
+ -Wl,-dynamic-linker,$(PRIVATE_LINKER) \
-Wl,--gc-sections \
-Wl,-z,nocopyreloc \
$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \