5db1f1ae8f
Remove the toolchain_ld_<base|baremetal|cpp> macro as all the macro handling is now done through the use of linker properties. Keep support for calling the old macros for out of tree toolchains which have not been updated to the new property approach. Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
112 lines
4.0 KiB
CMake
112 lines
4.0 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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set_property(TARGET linker PROPERTY devices_start_symbol "_device_list_start")
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find_package(LlvmLld 14.0.0 REQUIRED)
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set(CMAKE_LINKER ${LLVMLLD_LINKER})
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set_ifndef(LINKERFLAGPREFIX -Wl)
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# Run $LINKER_SCRIPT file through the C preprocessor, producing ${linker_script_gen}
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# NOTE: ${linker_script_gen} will be produced at build-time; not at configure-time
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macro(configure_linker_script linker_script_gen linker_pass_define)
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set(extra_dependencies ${ARGN})
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set(template_script_defines ${linker_pass_define})
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list(TRANSFORM template_script_defines PREPEND "-D")
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# Different generators deal with depfiles differently.
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if(CMAKE_GENERATOR STREQUAL "Unix Makefiles")
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# Note that the IMPLICIT_DEPENDS option is currently supported only
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# for Makefile generators and will be ignored by other generators.
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set(linker_script_dep IMPLICIT_DEPENDS C ${LINKER_SCRIPT})
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elseif(CMAKE_GENERATOR STREQUAL "Ninja")
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# Using DEPFILE with other generators than Ninja is an error.
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set(linker_script_dep DEPFILE ${PROJECT_BINARY_DIR}/${linker_script_gen}.dep)
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else()
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# TODO: How would the linker script dependencies work for non-linker
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# script generators.
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message(WARNING "This generator is not well supported. The
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Linker script may not be regenerated when it should.")
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set(linker_script_dep "")
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endif()
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zephyr_get_include_directories_for_lang(C current_includes)
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add_custom_command(
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OUTPUT ${linker_script_gen}
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DEPENDS
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${LINKER_SCRIPT}
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${extra_dependencies}
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# NB: 'linker_script_dep' will use a keyword that ends 'DEPENDS'
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${linker_script_dep}
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COMMAND ${CMAKE_C_COMPILER}
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-x assembler-with-cpp
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${NOSYSDEF_CFLAG}
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-MD -MF ${linker_script_gen}.dep -MT ${linker_script_gen}
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-D_LINKER
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-D_ASMLANGUAGE
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-D__LLD_LINKER_CMD__
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-imacros ${AUTOCONF_H}
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${current_includes}
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${template_script_defines}
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-E ${LINKER_SCRIPT}
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-P # Prevent generation of debug `#line' directives.
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-o ${linker_script_gen}
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VERBATIM
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WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
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COMMAND_EXPAND_LISTS
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)
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endmacro()
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# Force symbols to be entered in the output file as undefined symbols
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function(toolchain_ld_force_undefined_symbols)
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foreach(symbol ${ARGN})
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zephyr_link_libraries(${LINKERFLAGPREFIX},-u,${symbol})
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endforeach()
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endfunction()
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# Link a target to given libraries with toolchain-specific argument order
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#
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# Usage:
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# toolchain_ld_link_elf(
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# TARGET_ELF <target_elf>
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# OUTPUT_MAP <output_map_file_of_target>
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# LIBRARIES_PRE_SCRIPT [libraries_pre_script]
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# LINKER_SCRIPT <linker_script>
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# LIBRARIES_POST_SCRIPT [libraries_post_script]
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# DEPENDENCIES [dependencies]
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# )
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function(toolchain_ld_link_elf)
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cmake_parse_arguments(
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TOOLCHAIN_LD_LINK_ELF # prefix of output variables
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"" # list of names of the boolean arguments
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"TARGET_ELF;OUTPUT_MAP;LINKER_SCRIPT" # list of names of scalar arguments
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"LIBRARIES_PRE_SCRIPT;LIBRARIES_POST_SCRIPT;DEPENDENCIES" # list of names of list arguments
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${ARGN} # input args to parse
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)
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target_link_libraries(
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${TOOLCHAIN_LD_LINK_ELF_TARGET_ELF}
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${TOOLCHAIN_LD_LINK_ELF_LIBRARIES_PRE_SCRIPT}
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${TOPT}
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${TOOLCHAIN_LD_LINK_ELF_LINKER_SCRIPT}
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${TOOLCHAIN_LD_LINK_ELF_LIBRARIES_POST_SCRIPT}
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${LINKERFLAGPREFIX},-Map=${TOOLCHAIN_LD_LINK_ELF_OUTPUT_MAP}
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${LINKERFLAGPREFIX},--whole-archive
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${WHOLE_ARCHIVE_LIBS}
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${LINKERFLAGPREFIX},--no-whole-archive
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${NO_WHOLE_ARCHIVE_LIBS}
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$<TARGET_OBJECTS:${OFFSETS_LIB}>
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${LIB_INCLUDE_DIR}
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-L${PROJECT_BINARY_DIR}
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${TOOLCHAIN_LIBS}
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${TOOLCHAIN_LD_LINK_ELF_DEPENDENCIES}
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)
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endfunction(toolchain_ld_link_elf)
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# Load toolchain_ld-family macros
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include(${ZEPHYR_BASE}/cmake/linker/ld/target_relocation.cmake)
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include(${ZEPHYR_BASE}/cmake/linker/ld/target_configure.cmake)
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