1 ###########################################################
2 ## Standard rules for building any target-side binaries
3 ## with dynamic linkage (dynamic libraries or executables
4 ## that link with dynamic libraries)
6 ## Files including this file must define a rule to build
7 ## the target $(linked_module).
8 ###########################################################
10 # This constraint means that we can hard-code any $(TARGET_*) variables.
11 ifdef LOCAL_IS_HOST_MODULE
12 $(error This file should not be used to build host binaries. Included by (or near) $(lastword $(filter-out config/%,$(MAKEFILE_LIST))))
15 # The name of the target file, without any path prepended.
16 # This duplicates logic from base_rules.mk because we need to
17 # know its results before base_rules.mk is included.
18 include $(BUILD_SYSTEM)/configure_module_stem.mk
20 intermediates := $(call local-intermediates-dir,,$(LOCAL_2ND_ARCH_VAR_PREFIX))
22 # Define the target that is the unmodified output of the linker.
23 # The basename of this target must be the same as the final output
24 # binary name, because it's used to set the "soname" in the binary.
25 # The includer of this file will define a rule to build this target.
26 linked_module := $(intermediates)/LINKED/$(my_built_module_stem)
28 ALL_ORIGINAL_DYNAMIC_BINARIES += $(linked_module)
30 # Because TARGET_SYMBOL_FILTER_FILE depends on ALL_ORIGINAL_DYNAMIC_BINARIES,
31 # the linked_module rules won't necessarily inherit the PRIVATE_
32 # variables from LOCAL_BUILT_MODULE. This tells binary.make to explicitly
33 # define the PRIVATE_ variables for linked_module as well as for
35 LOCAL_INTERMEDIATE_TARGETS := $(linked_module)
37 ###################################
38 include $(BUILD_SYSTEM)/binary.mk
39 ###################################
41 ###########################################################
42 ## Pack relocation tables
43 ###########################################################
44 relocation_packer_input := $(linked_module)
45 relocation_packer_output := $(intermediates)/PACKED/$(my_built_module_stem)
47 my_pack_module_relocations := false
48 ifneq ($(DISABLE_RELOCATION_PACKER),true)
49 my_pack_module_relocations := $(firstword \
50 $(LOCAL_PACK_MODULE_RELOCATIONS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \
51 $(LOCAL_PACK_MODULE_RELOCATIONS))
54 ifeq ($(my_pack_module_relocations),)
55 my_pack_module_relocations := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_PACK_MODULE_RELOCATIONS)
58 # Do not pack relocations for executables. Because packing results in
59 # non-zero p_vaddr which causes kernel to load executables to lower
60 # address (starting at 0x8000) http://b/20665974
61 ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
62 my_pack_module_relocations := false
65 # TODO (dimitry): Relocation packer is not yet available for darwin
66 ifneq ($(HOST_OS),linux)
67 my_pack_module_relocations := false
70 ifeq (true,$(my_pack_module_relocations))
72 $(relocation_packer_output): $(relocation_packer_input) | $(ACP)
73 $(pack-elf-relocations)
75 $(relocation_packer_output): $(relocation_packer_input) | $(ACP)
76 @echo "target Unpacked: $(PRIVATE_MODULE) ($@)"
77 $(copy-file-to-target)
80 ###########################################################
81 ## Store a copy with symbols for symbolic debugging
82 ###########################################################
83 ifeq ($(LOCAL_UNSTRIPPED_PATH),)
84 my_unstripped_path := $(TARGET_OUT_UNSTRIPPED)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_module_path))
86 my_unstripped_path := $(LOCAL_UNSTRIPPED_PATH)
88 symbolic_input := $(relocation_packer_output)
89 symbolic_output := $(my_unstripped_path)/$(my_installed_module_stem)
90 $(symbolic_output) : $(symbolic_input) | $(ACP)
91 @echo "target Symbolic: $(PRIVATE_MODULE) ($@)"
92 $(copy-file-to-target)
94 ###########################################################
95 ## Store breakpad symbols
96 ###########################################################
98 ifeq ($(BREAKPAD_GENERATE_SYMBOLS),true)
99 my_breakpad_path := $(TARGET_OUT_BREAKPAD)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_module_path))
100 breakpad_input := $(relocation_packer_output)
101 breakpad_output := $(my_breakpad_path)/$(my_installed_module_stem).sym
102 $(breakpad_output) : $(breakpad_input) | $(BREAKPAD_DUMP_SYMS)
103 @echo "target breakpad: $(PRIVATE_MODULE) ($@)"
105 $(hide) $(BREAKPAD_DUMP_SYMS) -c $< > $@
106 $(LOCAL_BUILT_MODULE) : $(breakpad_output)
109 ###########################################################
111 ###########################################################
112 strip_input := $(symbolic_output)
113 strip_output := $(LOCAL_BUILT_MODULE)
115 my_strip_module := $(firstword \
116 $(LOCAL_STRIP_MODULE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \
117 $(LOCAL_STRIP_MODULE))
118 ifeq ($(my_strip_module),)
119 my_strip_module := true
122 $(strip_output): PRIVATE_STRIP := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP)
123 $(strip_output): PRIVATE_OBJCOPY := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_OBJCOPY)
124 $(strip_output): PRIVATE_READELF := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_READELF)
125 ifeq ($(my_strip_module),no_debuglink)
126 $(strip_output): PRIVATE_NO_DEBUGLINK := true
128 $(strip_output): PRIVATE_NO_DEBUGLINK :=
131 ifneq ($(filter true no_debuglink,$(my_strip_module)),)
133 $(strip_output): $(strip_input) | $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP)
134 $(transform-to-stripped)
135 else ifeq ($(my_strip_module),keep_symbols)
136 # Strip only the debug frames, but leave the symbol table.
137 $(strip_output): $(strip_input) | $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP)
138 $(transform-to-stripped-keep-symbols)
140 # A product may be configured to strip everything in some build variants.
141 # We do the stripping as a post-install command so that LOCAL_BUILT_MODULE
142 # is still with the symbols and we don't need to clean it (and relink) when
143 # you switch build variant.
144 ifneq ($(filter $(STRIP_EVERYTHING_BUILD_VARIANTS),$(TARGET_BUILD_VARIANT)),)
145 $(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD := \
146 $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP) --strip-all $(LOCAL_INSTALLED_MODULE)
149 # Don't strip the binary, just copy it. We can't skip this step
150 # because a copy of the binary must appear at LOCAL_BUILT_MODULE.
152 # If the binary we're copying is acp or a prerequisite,
154 ifneq ($(LOCAL_ACP_UNAVAILABLE),true)
155 $(strip_output): $(strip_input) | $(ACP)
156 @echo "target Unstripped: $(PRIVATE_MODULE) ($@)"
157 $(copy-file-to-target)
159 $(strip_output): $(strip_input)
160 @echo "target Unstripped: $(PRIVATE_MODULE) ($@)"
161 $(copy-file-to-target-with-cp)
163 endif # my_strip_module
165 $(cleantarget): PRIVATE_CLEAN_FILES += \