1#
2# Copyright (C) 2019 The Android Open Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
17############################################################
18# Internal build rules for native prebuilt modules
19############################################################
20
21prebuilt_module_classes := STATIC_LIBRARIES SHARED_LIBRARIES EXECUTABLES NATIVE_TESTS
22ifeq ($(filter $(prebuilt_module_classes),$(LOCAL_MODULE_CLASS)),)
23$(call pretty-error,cc_prebuilt_internal.mk is for $(prebuilt_module_classes) modules only)
24endif
25
26my_strip_module := $(firstword \
27  $(LOCAL_STRIP_MODULE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \
28  $(LOCAL_STRIP_MODULE))
29
30ifeq (SHARED_LIBRARIES,$(LOCAL_MODULE_CLASS))
31  ifeq ($(LOCAL_IS_HOST_MODULE)$(my_strip_module),)
32    # Strip but not try to add debuglink
33    my_strip_module := no_debuglink
34  endif
35endif
36
37ifneq ($(filter STATIC_LIBRARIES SHARED_LIBRARIES,$(LOCAL_MODULE_CLASS)),)
38  prebuilt_module_is_a_library := true
39else
40  prebuilt_module_is_a_library :=
41endif
42
43# Don't install static libraries by default.
44ifndef LOCAL_UNINSTALLABLE_MODULE
45ifeq (STATIC_LIBRARIES,$(LOCAL_MODULE_CLASS))
46  LOCAL_UNINSTALLABLE_MODULE := true
47endif
48endif
49
50my_check_elf_file_shared_lib_files :=
51
52ifneq ($(filter true keep_symbols no_debuglink mini-debug-info,$(my_strip_module)),)
53  ifdef LOCAL_IS_HOST_MODULE
54    $(call pretty-error,Cannot strip/pack host module)
55  endif
56  ifeq ($(filter SHARED_LIBRARIES EXECUTABLES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),)
57    $(call pretty-error,Can strip/pack only shared libraries or executables)
58  endif
59  ifneq ($(LOCAL_PREBUILT_STRIP_COMMENTS),)
60    $(call pretty-error,Cannot strip/pack scripts)
61  endif
62  # Set the arch-specific variables to set up the strip rules
63  LOCAL_STRIP_MODULE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) := $(my_strip_module)
64  include $(BUILD_SYSTEM)/dynamic_binary.mk
65  built_module := $(linked_module)
66
67  ifneq ($(LOCAL_SDK_VERSION),)
68    # binary.mk filters out NDK_MIGRATED_LIBS from my_shared_libs, thus those NDK libs are not added
69    # to DEPENDENCIES_ON_SHARED_LIBRARIES. Assign $(my_ndk_shared_libraries_fullpath) to
70    # my_check_elf_file_shared_lib_files so that check_elf_file.py can see those NDK stub libs.
71    my_check_elf_file_shared_lib_files := $(my_ndk_shared_libraries_fullpath)
72  endif
73else  # my_strip_module not true
74  include $(BUILD_SYSTEM)/base_rules.mk
75  built_module := $(LOCAL_BUILT_MODULE)
76
77ifdef prebuilt_module_is_a_library
78EXPORTS_LIST += $(intermediates)
79EXPORTS.$(intermediates).FLAGS := $(foreach d,$(LOCAL_EXPORT_C_INCLUDE_DIRS),-I $(d))
80EXPORTS.$(intermediates).DEPS := $(LOCAL_EXPORT_C_INCLUDE_DEPS)
81
82include $(BUILD_SYSTEM)/allowed_ndk_types.mk
83
84ifdef LOCAL_SDK_VERSION
85my_link_type := native:ndk:$(my_ndk_stl_family):$(my_ndk_stl_link_type)
86else ifdef LOCAL_USE_VNDK
87    _name := $(patsubst %.vendor,%,$(LOCAL_MODULE))
88    _name := $(patsubst %.product,%,$(LOCAL_MODULE))
89    ifneq ($(filter $(_name),$(VNDK_CORE_LIBRARIES) $(VNDK_SAMEPROCESS_LIBRARIES) $(LLNDK_LIBRARIES)),)
90        ifeq ($(filter $(_name),$(VNDK_PRIVATE_LIBRARIES)),)
91            my_link_type := native:vndk
92        else
93            my_link_type := native:vndk_private
94        endif
95    else
96        ifeq ($(LOCAL_USE_VNDK_PRODUCT),true)
97            my_link_type := native:product
98        else
99            my_link_type := native:vendor
100        endif
101    endif
102else ifneq ($(filter $(TARGET_RECOVERY_OUT)/%,$(LOCAL_MODULE_PATH)),)
103my_link_type := native:recovery
104else
105my_link_type := native:platform
106endif
107
108# TODO: check dependencies of prebuilt files
109my_link_deps :=
110
111my_2nd_arch_prefix := $(LOCAL_2ND_ARCH_VAR_PREFIX)
112my_common :=
113include $(BUILD_SYSTEM)/link_type.mk
114endif  # prebuilt_module_is_a_library
115
116# The real dependency will be added after all Android.mks are loaded and the install paths
117# of the shared libraries are determined.
118ifdef LOCAL_INSTALLED_MODULE
119ifdef LOCAL_IS_HOST_MODULE
120    ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
121        my_system_shared_libraries :=
122    else
123        my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
124    endif
125else
126    ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
127        my_system_shared_libraries := libc libm libdl
128    else
129        my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
130        my_system_shared_libraries := $(patsubst libc,libc libdl,$(my_system_shared_libraries))
131    endif
132endif
133
134my_shared_libraries := $(strip \
135    $(filter-out $(my_system_shared_libraries),$(LOCAL_SHARED_LIBRARIES)) \
136    $(my_system_shared_libraries))
137
138# Extra shared libraries introduced by LOCAL_CXX_STL (may append some libraries to
139# my_shared_libraries).
140include $(BUILD_SYSTEM)/cxx_stl_setup.mk
141
142ifdef my_shared_libraries
143ifdef LOCAL_USE_VNDK
144  ifeq ($(LOCAL_USE_VNDK_PRODUCT),true)
145    my_shared_libraries := $(foreach l,$(my_shared_libraries),\
146      $(if $(SPLIT_PRODUCT.SHARED_LIBRARIES.$(l)),$(l).product,$(l)))
147  else
148    my_shared_libraries := $(foreach l,$(my_shared_libraries),\
149      $(if $(SPLIT_VENDOR.SHARED_LIBRARIES.$(l)),$(l).vendor,$(l)))
150  endif
151endif
152$(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
153  $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(my_shared_libraries))
154endif  # my_shared_libraries
155endif  # LOCAL_INSTALLED_MODULE
156
157# We need to enclose the above export_includes and my_built_shared_libraries in
158# "my_strip_module not true" because otherwise the rules are defined in dynamic_binary.mk.
159endif  # my_strip_module not true
160
161
162# Check prebuilt ELF binaries.
163include $(BUILD_SYSTEM)/check_elf_file.mk
164
165ifeq ($(NATIVE_COVERAGE),true)
166ifneq (,$(strip $(LOCAL_PREBUILT_COVERAGE_ARCHIVE)))
167  $(eval $(call copy-one-file,$(LOCAL_PREBUILT_COVERAGE_ARCHIVE),$(intermediates)/$(LOCAL_MODULE).gcnodir))
168  ifneq ($(LOCAL_UNINSTALLABLE_MODULE),true)
169    ifdef LOCAL_IS_HOST_MODULE
170      my_coverage_path := $($(my_prefix)OUT_COVERAGE)/$(patsubst $($(my_prefix)OUT)/%,%,$(my_module_path))
171    else
172      my_coverage_path := $(TARGET_OUT_COVERAGE)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_module_path))
173    endif
174    my_coverage_path := $(my_coverage_path)/$(patsubst %.so,%,$(my_installed_module_stem)).gcnodir
175    $(eval $(call copy-one-file,$(LOCAL_PREBUILT_COVERAGE_ARCHIVE),$(my_coverage_path)))
176    $(LOCAL_BUILT_MODULE): $(my_coverage_path)
177  endif
178else
179# Coverage information is needed when static lib is a dependency of another
180# coverage-enabled module.
181ifeq (STATIC_LIBRARIES, $(LOCAL_MODULE_CLASS))
182GCNO_ARCHIVE := $(LOCAL_MODULE).gcnodir
183$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_ALL_OBJECTS :=
184$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_ALL_WHOLE_STATIC_LIBRARIES :=
185$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_PREFIX := $(my_prefix)
186$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_2ND_ARCH_VAR_PREFIX := $(LOCAL_2ND_ARCH_VAR_PREFIX)
187$(intermediates)/$(GCNO_ARCHIVE) :
188	$(transform-o-to-static-lib)
189endif
190endif
191endif
192
193$(built_module) : $(my_prebuilt_src_file)
194	$(transform-prebuilt-to-target)
195ifneq ($(filter EXECUTABLES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),)
196	$(hide) chmod +x $@
197endif
198
199