78 lines
3 KiB
CMake
78 lines
3 KiB
CMake
# Utilities for supporting linker script generation in the build system
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# __ldgen_add_fragment_files
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#
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# Add one or more linker fragment files, and append it to the list of fragment
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# files found so far.
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function(__ldgen_add_fragment_files fragment_files)
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spaces2list(fragment_files)
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foreach(fragment_file ${fragment_files})
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get_filename_component(abs_path ${fragment_file} ABSOLUTE)
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list(APPEND _fragment_files ${abs_path})
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endforeach()
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idf_build_set_property(__LDGEN_FRAGMENT_FILES "${_fragment_files}" APPEND)
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endfunction()
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# __ldgen_add_component
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#
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# Generate sections info for specified target to be used in linker script generation
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function(__ldgen_add_component component_lib)
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idf_build_set_property(__LDGEN_LIBRARIES "$<TARGET_FILE:${component_lib}>" APPEND)
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idf_build_set_property(__LDGEN_DEPENDS ${component_lib} APPEND)
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endfunction()
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# __ldgen_process_template
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#
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# Passes a linker script template to the linker script generation tool for
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# processing
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function(__ldgen_process_template template output)
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idf_build_get_property(idf_target IDF_TARGET)
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idf_build_get_property(idf_path IDF_PATH)
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idf_build_get_property(build_dir BUILD_DIR)
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idf_build_get_property(ldgen_libraries __LDGEN_LIBRARIES GENERATOR_EXPRESSION)
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file(GENERATE OUTPUT ${build_dir}/ldgen_libraries.in CONTENT $<JOIN:${ldgen_libraries},\n>)
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file(GENERATE OUTPUT ${build_dir}/ldgen_libraries INPUT ${build_dir}/ldgen_libraries.in)
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
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"${build_dir}/ldgen_libraries.in"
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"${build_dir}/ldgen_libraries")
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idf_build_get_property(ldgen_fragment_files __LDGEN_FRAGMENT_FILES GENERATOR_EXPRESSION)
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idf_build_get_property(ldgen_depends __LDGEN_DEPENDS GENERATOR_EXPRESSION)
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# Create command to invoke the linker script generator tool.
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idf_build_get_property(sdkconfig SDKCONFIG)
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idf_build_get_property(root_kconfig __ROOT_KCONFIG)
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idf_build_get_property(kconfigs KCONFIGS)
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idf_build_get_property(kconfig_projbuilds KCONFIG_PROJBUILDS)
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idf_build_get_property(python PYTHON)
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string(REPLACE ";" " " kconfigs "${kconfigs}")
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string(REPLACE ";" " " kconfig_projbuilds "${kconfig_projbuilds}")
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idf_build_get_property(config_env_path CONFIG_ENV_PATH)
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add_custom_command(
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OUTPUT ${output}
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COMMAND ${python} ${idf_path}/tools/ldgen/ldgen.py
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--config ${sdkconfig}
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--fragments "$<JOIN:${ldgen_fragment_files},\t>"
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--input ${template}
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--output ${output}
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--kconfig ${root_kconfig}
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--env-file "${config_env_path}"
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--libraries-file ${build_dir}/ldgen_libraries
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--objdump ${CMAKE_OBJDUMP}
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DEPENDS ${template} ${ldgen_fragment_files} ${ldgen_depends} ${SDKCONFIG}
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)
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get_filename_component(_name ${output} NAME)
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add_custom_target(__ldgen_output_${_name} DEPENDS ${output})
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add_dependencies(__idf_build_target __ldgen_output_${_name})
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idf_build_set_property(__LINK_DEPENDS ${output} APPEND)
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endfunction()
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