Android.mk revision 18a206c81d9743481e364384affd43306911283d 
1LOCAL_PATH:= $(call my-dir)
2include $(CLEAR_VARS)
3
4LOCAL_SRC_FILES:= \
5	arch/$(TARGET_ARCH)/begin.S \
6	debugger.cpp \
7	dlfcn.cpp \
8	linker.cpp \
9	linker_environ.cpp \
10	linker_format.cpp \
11	linker_phdr.cpp \
12	rt.cpp
13
14LOCAL_LDFLAGS := -shared
15
16LOCAL_CFLAGS += -fno-stack-protector \
17        -Wstrict-overflow=5 \
18        -fvisibility=hidden \
19        -Wall -Wextra
20
21# Set LINKER_DEBUG to either 1 or 0
22#
23LOCAL_CFLAGS += -DLINKER_DEBUG=0
24
25# We need to access Bionic private headers in the linker...
26LOCAL_CFLAGS += -I$(LOCAL_PATH)/../libc/
27
28# ...one of which is <private/bionic_tls.h>, for which we
29# need HAVE_ARM_TLS_REGISTER.
30ifeq ($(TARGET_ARCH)-$(ARCH_ARM_HAVE_TLS_REGISTER),arm-true)
31    LOCAL_CFLAGS += -DHAVE_ARM_TLS_REGISTER
32endif
33
34ifeq ($(TARGET_ARCH),arm)
35    LOCAL_CFLAGS += -DANDROID_ARM_LINKER
36endif
37
38ifeq ($(TARGET_ARCH),x86)
39    LOCAL_CFLAGS += -DANDROID_X86_LINKER
40endif
41
42ifeq ($(TARGET_ARCH),mips)
43    LOCAL_CFLAGS += -DANDROID_MIPS_LINKER
44endif
45
46LOCAL_MODULE:= linker
47LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
48
49LOCAL_STATIC_LIBRARIES := libc_nomalloc
50
51#LOCAL_FORCE_STATIC_EXECUTABLE := true # not necessary when not including BUILD_EXECUTABLE
52
53#
54# include $(BUILD_EXECUTABLE)
55#
56# Instead of including $(BUILD_EXECUTABLE), we execute the steps to create an executable by
57# hand, as we want to insert an extra step that is not supported by the build system, and
58# is probably specific the linker only, so there's no need to modify the build system for
59# the purpose.
60
61LOCAL_MODULE_CLASS := EXECUTABLES
62LOCAL_MODULE_SUFFIX := $(TARGET_EXECUTABLE_SUFFIX)
63
64# we don't want crtbegin.o (because we have begin.o), so unset it
65# just for this module
66LOCAL_NO_CRT := true
67
68include $(BUILD_SYSTEM)/dynamic_binary.mk
69
70$(linked_module): $(TARGET_CRTBEGIN_STATIC_O) $(all_objects) $(all_libraries) $(TARGET_CRTEND_O)
71	$(transform-o-to-static-executable)
72	@echo "target PrefixSymbols: $(PRIVATE_MODULE) ($@)"
73	$(hide) $(TARGET_OBJCOPY) --prefix-symbols=__dl_ $@
74
75#
76# end of BUILD_EXECUTABLE hack
77#
78