mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-31 13:09:38 +00:00
72 lines
2.8 KiB
CMake
72 lines
2.8 KiB
CMake
idf_component_register(SRCS "cxx_exception_stubs.cpp"
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"cxx_guards.cpp"
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# Make sure that pthread is in component list
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PRIV_REQUIRES pthread)
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if(NOT CONFIG_CXX_EXCEPTIONS)
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set(WRAP_FUNCTIONS
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_Unwind_SetEnableExceptionFdeSorting
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__register_frame_info_bases
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__register_frame_info
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__register_frame
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__register_frame_info_table_bases
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__register_frame_info_table
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__register_frame_table
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__deregister_frame_info_bases
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__deregister_frame_info
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_Unwind_Find_FDE
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_Unwind_GetGR
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_Unwind_GetCFA
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_Unwind_GetIP
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_Unwind_GetIPInfo
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_Unwind_GetRegionStart
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_Unwind_GetDataRelBase
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_Unwind_GetTextRelBase
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_Unwind_SetIP
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_Unwind_SetGR
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_Unwind_GetLanguageSpecificData
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_Unwind_FindEnclosingFunction
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_Unwind_Resume
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_Unwind_RaiseException
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_Unwind_DeleteException
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_Unwind_ForcedUnwind
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_Unwind_Resume_or_Rethrow
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_Unwind_Backtrace
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__cxa_call_unexpected
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__gxx_personality_v0)
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foreach(wrap ${WRAP_FUNCTIONS})
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target_link_libraries(${COMPONENT_LIB} INTERFACE "-Wl,--wrap=${wrap}")
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endforeach()
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endif()
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if(CMAKE_C_COMPILER_ID MATCHES "Clang")
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# libstdc++ depends on C library, so it should appear later in link order.
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# Otherwise we get undefined references for esp-clang toolchain.
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target_link_libraries(${COMPONENT_LIB} PUBLIC stdc++ c gcc)
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else()
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target_link_libraries(${COMPONENT_LIB} PUBLIC stdc++ gcc)
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endif()
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target_link_libraries(${COMPONENT_LIB} INTERFACE "-u __cxa_guard_dummy")
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# Force libpthread to appear later than libstdc++ in link line since libstdc++ depends on libpthread.
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# Furthermore, force libcxx to appear later than libgcc because some libgcc unwind code is wrapped, if C++
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# exceptions are disabled. libcxx (this component) provides the unwind code wrappers.
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# This is to prevent linking of libgcc's unwind code which considerably increases the binary size.
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idf_component_get_property(pthread pthread COMPONENT_LIB)
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idf_component_get_property(cxx cxx COMPONENT_LIB)
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add_library(stdcpp_pthread INTERFACE)
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if(CMAKE_C_COMPILER_ID MATCHES "Clang")
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target_link_libraries(stdcpp_pthread INTERFACE stdc++ c $<TARGET_FILE:${pthread}>)
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else()
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target_link_libraries(stdcpp_pthread INTERFACE stdc++ $<TARGET_FILE:${pthread}>)
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endif()
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target_link_libraries(${COMPONENT_LIB} PUBLIC stdcpp_pthread)
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add_library(libgcc_cxx INTERFACE)
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target_link_libraries(libgcc_cxx INTERFACE gcc $<TARGET_FILE:${cxx}>)
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target_link_libraries(${COMPONENT_LIB} PUBLIC libgcc_cxx)
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if(NOT CONFIG_COMPILER_CXX_EXCEPTIONS)
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target_link_libraries(${COMPONENT_LIB} INTERFACE "-u __cxx_fatal_exception")
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endif()
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