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-rw-r--r--linker/Android.mk68
1 files changed, 68 insertions, 0 deletions
diff --git a/linker/Android.mk b/linker/Android.mk
new file mode 100644
index 0000000..5d11148
--- /dev/null
+++ b/linker/Android.mk
@@ -0,0 +1,68 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+ arch/$(TARGET_ARCH)/begin.S \
+ linker.c \
+ rt.c \
+ dlfcn.c \
+ debugger.c
+
+LINKER_TEXT_BASE := 0xB0000100
+
+# The maximum size set aside for the linker, from
+# LINKER_TEXT_BASE rounded down to a megabyte.
+LINKER_AREA_SIZE := 0x01000000
+
+LOCAL_LDFLAGS := -Wl,-Ttext,$(LINKER_TEXT_BASE)
+
+LOCAL_CFLAGS += -DPRELINK -DLINKER_TEXT_BASE=$(LINKER_TEXT_BASE) -DLINKER_AREA_SIZE=$(LINKER_AREA_SIZE)
+
+ifeq ($(TARGET_ARCH),arm)
+LOCAL_CFLAGS += -DANDROID_ARM_LINKER
+else
+ ifeq ($(TARGET_ARCH),x86)
+ LOCAL_CFLAGS += -DANDROID_X86_LINKER
+ else
+ $(error Unsupported TARGET_ARCH $(TARGET_ARCH))
+ endif
+endif
+
+LOCAL_MODULE:= linker
+
+LOCAL_STATIC_LIBRARIES := libcutils libc
+
+#LOCAL_FORCE_STATIC_EXECUTABLE := true # not necessary when not including BUILD_EXECUTABLE
+
+#
+# include $(BUILD_EXECUTABLE)
+#
+# Instead of including $(BUILD_EXECUTABLE), we execute the steps to create an executable by
+# hand, as we want to insert an extra step that is not supported by the build system, and
+# is probably specific the linker only, so there's no need to modify the build system for
+# the purpose.
+
+LOCAL_MODULE_CLASS := EXECUTABLES
+LOCAL_MODULE_SUFFIX := $(TARGET_EXECUTABLE_SUFFIX)
+
+# Executables are not prelinked.
+LOCAL_PRELINK_MODULE := false
+
+include $(BUILD_SYSTEM)/dynamic_binary.mk
+
+$(linked_module): $(TARGET_CRTBEGIN_STATIC_O) $(all_objects) $(all_libraries) $(TARGET_CRTEND_O)
+ $(transform-o-to-static-executable)
+ @echo "target PrefixSymbols: $(PRIVATE_MODULE) ($@)"
+ $(hide) $(TARGET_OBJCOPY) --prefix-symbols=__dl_ $@
+
+#
+# end of BUILD_EXECUTABLE hack
+#
+
+# we don't want crtbegin.o (because we have begin.o), so unset it
+# just for this module
+$(LOCAL_BUILT_MODULE): TARGET_CRTBEGIN_STATIC_O :=
+# This line is not strictly necessary because the dynamic linker is built
+# as a static executable, but it won't hurt if in the future we start
+# building the linker as a dynamic one.
+$(LOCAL_BUILT_MODULE): TARGET_CRTBEGIN_DYNAMIC_O :=