Android.mk revision 2c287e9510ec1d379b3cd779651b595dafb6a2ff 
1LOCAL_PATH:= $(call my-dir)
2include $(CLEAR_VARS)
3
4LOCAL_SRC_FILES:= \
5	arch/$(TARGET_ARCH)/begin.S \
6	debugger.c \
7	dlfcn.c \
8	linker.cpp \
9	linker_environ.c \
10	linker_format.c \
11	linker_phdr.c \
12	rt.c
13
14LOCAL_LDFLAGS := -shared
15
16LOCAL_CFLAGS += -fno-stack-protector \
17        -Wstrict-overflow=5 \
18        -fvisibility=hidden \
19        -std=gnu99 \
20        -Wall -Wextra
21
22# Set LINKER_DEBUG to either 1 or 0
23#
24LOCAL_CFLAGS += -DLINKER_DEBUG=0
25
26# We need to access Bionic private headers in the linker...
27LOCAL_CFLAGS += -I$(LOCAL_PATH)/../libc/
28
29# ...one of which is <private/bionic_tls.h>, for which we
30# need HAVE_ARM_TLS_REGISTER.
31ifeq ($(TARGET_ARCH)-$(ARCH_ARM_HAVE_TLS_REGISTER),arm-true)
32    LOCAL_CFLAGS += -DHAVE_ARM_TLS_REGISTER
33endif
34
35ifeq ($(TARGET_ARCH),arm)
36    LOCAL_CFLAGS += -DANDROID_ARM_LINKER
37endif
38
39ifeq ($(TARGET_ARCH),x86)
40    LOCAL_CFLAGS += -DANDROID_X86_LINKER
41endif
42
43ifeq ($(TARGET_ARCH),mips)
44    LOCAL_CFLAGS += -DANDROID_MIPS_LINKER
45endif
46
47LOCAL_MODULE:= linker
48LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
49
50LOCAL_STATIC_LIBRARIES := libc_nomalloc
51
52#LOCAL_FORCE_STATIC_EXECUTABLE := true # not necessary when not including BUILD_EXECUTABLE
53
54#
55# include $(BUILD_EXECUTABLE)
56#
57# Instead of including $(BUILD_EXECUTABLE), we execute the steps to create an executable by
58# hand, as we want to insert an extra step that is not supported by the build system, and
59# is probably specific the linker only, so there's no need to modify the build system for
60# the purpose.
61
62LOCAL_MODULE_CLASS := EXECUTABLES
63LOCAL_MODULE_SUFFIX := $(TARGET_EXECUTABLE_SUFFIX)
64
65# we don't want crtbegin.o (because we have begin.o), so unset it
66# just for this module
67LOCAL_NO_CRT := true
68
69include $(BUILD_SYSTEM)/dynamic_binary.mk
70
71# See build/core/executable.mk
72$(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(TARGET_GLOBAL_LD_DIRS)
73$(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(TARGET_GLOBAL_LDFLAGS)
74$(linked_module): PRIVATE_TARGET_FDO_LIB := $(TARGET_FDO_LIB)
75$(linked_module): PRIVATE_TARGET_LIBGCC := $(TARGET_LIBGCC)
76$(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_CRTBEGIN_DYNAMIC_O)
77$(linked_module): PRIVATE_TARGET_CRTBEGIN_STATIC_O := $(TARGET_CRTBEGIN_STATIC_O)
78$(linked_module): PRIVATE_TARGET_CRTEND_O := $(TARGET_CRTEND_O)
79$(linked_module): $(TARGET_CRTBEGIN_STATIC_O) $(all_objects) $(all_libraries) $(TARGET_CRTEND_O)
80	$(transform-o-to-static-executable)
81	@echo "target PrefixSymbols: $(PRIVATE_MODULE) ($@)"
82	$(hide) $(TARGET_OBJCOPY) --prefix-symbols=__dl_ $@
83
84#
85# end of BUILD_EXECUTABLE hack
86#
87