1429291d9f
This commit enables prebuilt ELF checks on ALL targets.
If this commit breaks your target, you may triage the breakage by adding
the following setting to your `BoardConfig.mk`:
BUILD_BROKEN_PREBUILT_ELF_FILES := true
And then fix the problem with the instructions:
https://source.android.com/devices/architecture/vndk/abi-use-check
Bug: 141176116
Bug: 145925470
Test: for t in ${ALL_TARGETS}; do lunch $t; make check-elf-files; done
Change-Id: I62e0269074afe1d685cb63d5f8953a2acf03f03e
49 lines
2.1 KiB
Makefile
49 lines
2.1 KiB
Makefile
# Check the correctness of the prebuilt ELF files
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#
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# This check ensures that DT_SONAME matches with the filename, DT_NEEDED
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# matches the shared libraries specified in LOCAL_SHARED_LIBRARIES, and all
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# undefined symbols in the prebuilt binary can be found in one of the shared
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# libraries specified in LOCAL_SHARED_LIBRARIES.
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#
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# Inputs:
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# - LOCAL_ALLOW_UNDEFINED_SYMBOLS
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# - LOCAL_BUILT_MODULE
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# - LOCAL_IS_HOST_MODULE
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# - LOCAL_MODULE_CLASS
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# - intermediates
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# - my_installed_module_stem
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# - my_prebuilt_src_file
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# - my_check_elf_file_shared_lib_files
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ifndef LOCAL_IS_HOST_MODULE
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ifneq ($(filter $(LOCAL_MODULE_CLASS),SHARED_LIBRARIES EXECUTABLES NATIVE_TESTS),)
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check_elf_files_stamp := $(intermediates)/check_elf_files.timestamp
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$(check_elf_files_stamp): PRIVATE_SONAME := $(if $(filter $(LOCAL_MODULE_CLASS),SHARED_LIBRARIES),$(my_installed_module_stem))
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$(check_elf_files_stamp): PRIVATE_ALLOW_UNDEFINED_SYMBOLS := $(LOCAL_ALLOW_UNDEFINED_SYMBOLS)
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# PRIVATE_SHARED_LIBRARY_FILES are file paths to built shared libraries.
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# In addition to $(my_check_elf_file_shared_lib_files), some file paths are
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# added by `resolve-shared-libs-for-elf-file-check` from `core/main.mk`.
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$(check_elf_files_stamp): PRIVATE_SHARED_LIBRARY_FILES := $(my_check_elf_file_shared_lib_files)
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$(check_elf_files_stamp): $(my_prebuilt_src_file) $(my_check_elf_file_shared_lib_files) $(CHECK_ELF_FILE) $(LLVM_READOBJ)
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@echo Check prebuilt ELF binary: $<
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$(hide) mkdir -p $(dir $@)
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$(hide) rm -f $@
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$(hide) $(CHECK_ELF_FILE) \
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--skip-bad-elf-magic \
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--skip-unknown-elf-machine \
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$(if $(PRIVATE_SONAME),--soname $(PRIVATE_SONAME)) \
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$(foreach l,$(PRIVATE_SHARED_LIBRARY_FILES),--shared-lib $(l)) \
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$(if $(PRIVATE_ALLOW_UNDEFINED_SYMBOLS),--allow-undefined-symbols) \
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--llvm-readobj=$(LLVM_READOBJ) \
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$<
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$(hide) touch $@
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ifneq ($(strip $(LOCAL_CHECK_ELF_FILES)),false)
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ifneq ($(strip $(BUILD_BROKEN_PREBUILT_ELF_FILES)),true)
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$(LOCAL_BUILT_MODULE): $(check_elf_files_stamp)
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check-elf-files: $(check_elf_files_stamp)
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endif # BUILD_BROKEN_PREBUILT_ELF_FILES
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endif # LOCAL_CHECK_ELF_FILES
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endif # SHARED_LIBRARIES, EXECUTABLES, NATIVE_TESTS
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endif # !LOCAL_IS_HOST_MODULE
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