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Build: Expose symbols SECTION_start and SECTION_size for embedded resources.
Resources embedded by the embed_resource() function will now also expose a SECTION_start and SECTION_size symbol so the embedded resource can be found by an application without having to parse its own ELF image which is not something applications can currently do from userspace.
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2 changed files with 19 additions and 5 deletions
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@ -118,9 +118,10 @@ function(embed_resource target section file)
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get_filename_component(asm_file "${file}" NAME)
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set(asm_file "${CMAKE_CURRENT_BINARY_DIR}/${target}-${section}.s")
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get_filename_component(input_file "${file}" ABSOLUTE)
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file(SIZE "${input_file}" file_size)
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add_custom_command(
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OUTPUT "${asm_file}"
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COMMAND "${CMAKE_SOURCE_DIR}/Meta/generate-embedded-resource-assembly.sh" "${asm_file}" "${section}" "${input_file}"
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COMMAND "${CMAKE_SOURCE_DIR}/Meta/generate-embedded-resource-assembly.sh" "${asm_file}" "${section}" "${input_file}" "${file_size}"
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DEPENDS "${input_file}" "${CMAKE_SOURCE_DIR}/Meta/generate-embedded-resource-assembly.sh"
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COMMENT "Generating ${asm_file}"
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)
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