mirror of
https://github.com/GerbilSoft/rvthtool.git
synced 2025-06-18 11:35:33 -04:00
f321fe5e65
This program will allow for managing Nintendo RVT-H Reader devkits, including dumping existing images and installing new images. The current version doesn't actually do anything. It's mostly a copy of the infrastructure from rom-properties, with some changes. In particular, we're using CMake's TARGET_COMPILE_FEATURES() instead of manually detecting C99 support.
79 lines
3.1 KiB
CMake
79 lines
3.1 KiB
CMake
# Split debug information from an executable into a separate file.
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# SPLIT_DEBUG_INFORMATION(EXE_TARGET)
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#
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# References:
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# - http://cmake.3232098.n2.nabble.com/Save-stripped-debugging-information-td6819195.html
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# - http://sourceware.org/bugzilla/show_bug.cgi?id=14527
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# - If debug symbols are stripped before .gnu_debuglink is added,
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# the section will be truncated to .gnu_deb, and hence won't
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# be recognized by gdb.
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# - FIXME: If the above .gnu_debuglink workaround is used, Windows XP
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# and Windows 7 will claim that the executable isn't a valid Win32
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# executable. (Wine ignores it and works fine!)
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#
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IF(NOT MSVC)
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INCLUDE(CMakeFindBinUtils)
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IF(NOT CMAKE_OBJCOPY)
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MESSAGE(WARNING "'objcopy' was not found; debug information will not be split.")
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SET(INSTALL_DEBUG OFF CACHE "" INTERNAL FORCE)
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ELSEIF(NOT CMAKE_STRIP)
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MESSAGE(WARNING "'strip' was not found; debug information will not be split.")
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SET(INSTALL_DEBUG OFF CACHE "" INTERNAL FORCE)
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ENDIF()
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ENDIF(NOT MSVC)
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FUNCTION(SPLIT_DEBUG_INFORMATION _target)
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SET(SPLIT_OK 1)
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IF(MSVC)
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# MSVC splits debug information by itself.
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SET(SPLIT_OK 0)
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ELSEIF(NOT CMAKE_OBJCOPY)
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# 'objcopy' is missing.
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SET(SPLIT_OK 0)
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ELSEIF(NOT CMAKE_STRIP)
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# 'strip' is missing.
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SET(SPLIT_OK 0)
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ENDIF()
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IF(SPLIT_OK)
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# Handle target prefixes if not overridden.
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# NOTE: Cannot easily use the TYPE property in a generator expression...
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GET_PROPERTY(TARGET_TYPE TARGET ${_target} PROPERTY TYPE)
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SET(PREFIX_EXPR_1 "$<$<STREQUAL:$<TARGET_PROPERTY:${_target},PREFIX>,>:${CMAKE_${TARGET_TYPE}_PREFIX}>")
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SET(PREFIX_EXPR_2 "$<$<NOT:$<STREQUAL:$<TARGET_PROPERTY:${_target},PREFIX>,>>:$<TARGET_PROPERTY:${_target},PREFIX>>")
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SET(PREFIX_EXPR_FULL "${PREFIX_EXPR_1}${PREFIX_EXPR_2}")
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# If a custom OUTPUT_NAME was specified, use it.
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SET(OUTPUT_NAME_EXPR_1 "$<$<STREQUAL:$<TARGET_PROPERTY:${_target},OUTPUT_NAME>,>:${_target}>")
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SET(OUTPUT_NAME_EXPR_2 "$<$<NOT:$<STREQUAL:$<TARGET_PROPERTY:${_target},OUTPUT_NAME>,>>:$<TARGET_PROPERTY:${_target},OUTPUT_NAME>>")
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SET(OUTPUT_NAME_EXPR "${OUTPUT_NAME_EXPR_1}${OUTPUT_NAME_EXPR_2}")
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SET(OUTPUT_NAME_FULL "${PREFIX_EXPR_FULL}${OUTPUT_NAME_EXPR}$<TARGET_PROPERTY:${_target},POSTFIX>")
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SET(SPLITDEBUG_SOURCE "$<TARGET_FILE:${_target}>")
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SET(SPLITDEBUG_TARGET "$<TARGET_FILE_DIR:${_target}>/${OUTPUT_NAME_FULL}.debug")
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# NOTE: objcopy --strip-debug does NOT fully
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# strip the binary; two sections are left:
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# - .symtab: Symbol table.
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# - .strtab: String table.
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# These sections are split into the .debug file, so there's
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# no reason to keep them in the executable.
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ADD_CUSTOM_COMMAND(TARGET ${_target} POST_BUILD
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COMMAND ${CMAKE_OBJCOPY} --only-keep-debug
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${SPLITDEBUG_SOURCE} ${SPLITDEBUG_TARGET}
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COMMAND ${CMAKE_STRIP}
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${SPLITDEBUG_SOURCE}
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COMMAND ${CMAKE_OBJCOPY} --add-gnu-debuglink="${SPLITDEBUG_TARGET}"
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${SPLITDEBUG_SOURCE}
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)
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# Set the target property to allow installation.
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SET_TARGET_PROPERTIES(${_target} PROPERTIES PDB ${SPLITDEBUG_TARGET})
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# Make sure the file is deleted on `make clean`.
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SET_PROPERTY(DIRECTORY APPEND
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PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${SPLITDEBUG_TARGET})
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ENDIF(SPLIT_OK)
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ENDFUNCTION(SPLIT_DEBUG_INFORMATION)
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