1a92cc5a0a
Summary: This patch implements 'getenv'. I was torn on how to implement this, since realistically we only have access to this environment pointer in the "loader" interface. An alternative would be to use an RPC call every time, but I think that's overkill for what this will be used for. A better solution is just to emit a common `DataEnvironment` that contains all of the host visible resources to initialize. Right now this is the `env_ptr`, `clock_freq`, and `rpc_client`. I did this by making the `app.h` interface that Linux uses more general, could possibly move that into a separate patch, but I figured it's easier to see with the usage.
62 lines
1.8 KiB
CMake
62 lines
1.8 KiB
CMake
function(add_startup_object name)
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cmake_parse_arguments(
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"ADD_STARTUP_OBJECT"
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"ALIAS" # Option argument
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"SRC" # Single value arguments
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"DEPENDS;COMPILE_OPTIONS" # Multi value arguments
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${ARGN}
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)
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get_fq_target_name(${name} fq_target_name)
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if(ADD_STARTUP_OBJECT_ALIAS)
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get_fq_deps_list(fq_dep_list ${ADD_STARTUP_OBJECT_DEPENDS})
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add_library(${fq_target_name} ALIAS ${fq_dep_list})
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return()
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endif()
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add_object_library(
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${name}
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SRCS ${ADD_STARTUP_OBJECT_SRC}
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COMPILE_OPTIONS ${ADD_STARTUP_OBJECT_COMPILE_OPTIONS}
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${ADD_STARTUP_OBJECT_UNPARSED_ARGUMENTS}
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DEPENDS ${ADD_STARTUP_OBJECT_DEPENDS}
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)
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set_target_properties(
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${fq_target_name}
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PROPERTIES
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OUTPUT_NAME ${name}.o
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)
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# Make an executable target of relocatable bitcode for clang if needed.
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if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR)
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add_executable(${fq_target_name}.exe $<TARGET_OBJECTS:${fq_target_name}>)
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set_target_properties(${fq_target_name}.exe PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY ${LIBC_LIBRARY_DIR}
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RUNTIME_OUTPUT_NAME ${name}.o)
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target_link_options(${fq_target_name}.exe PRIVATE
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"-r" "-nostdlib" "-flto" "-Wl,--lto-emit-llvm")
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endif()
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endfunction()
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if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_ARCHITECTURE})
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add_subdirectory(${LIBC_TARGET_ARCHITECTURE})
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endif()
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add_startup_object(
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crt1
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ALIAS
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DEPENDS
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.${LIBC_TARGET_ARCHITECTURE}.crt1
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)
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add_custom_target(libc-startup)
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set(startup_components crt1)
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foreach(target IN LISTS startup_components)
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set(fq_target_name libc.startup.gpu.${target})
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add_dependencies(libc-startup ${fq_target_name})
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install(FILES $<TARGET_OBJECTS:${fq_target_name}>
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DESTINATION ${LIBC_INSTALL_LIBRARY_DIR}
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RENAME $<TARGET_PROPERTY:${fq_target_name},OUTPUT_NAME>
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COMPONENT libc)
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endforeach()
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