huwcampbell.com
Reactos
[NDK][CMAKE] Introduce DATA_SEG and CODE_SEG macro These are for putting code and data to non-default sections At the same time, move INIT section attributes declaration to cmake files
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hal/halx86/CMakeLists.txt
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hal/halx86/CMakeLists.txt
···
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set_module_type(${_halname} kerneldll ENTRYPOINT HalInitSystem 8)
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add_cd_file(TARGET ${_halname} DESTINATION reactos/system32 NO_CAB FOR all)
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if(MSVC)
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add_target_link_flags(${_halname} "/ignore:4216 /ignore:4078")
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add_target_link_flags(${_halname} "/ignore:4216 /SECTION:INIT,ERWD")
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else()
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target_link_libraries(${_halname} -lgcc)
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endif()
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ntoskrnl/CMakeLists.txt
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ntoskrnl/CMakeLists.txt
···
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if(MSVC)
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set_image_base(ntoskrnl 0x00400000)
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add_target_link_flags(ntoskrnl "/SECTION:.rsrc,!DP") #Accessed from bugcheck code
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add_target_link_flags(ntoskrnl "/SECTION:INIT,D")
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add_target_link_flags(ntoskrnl "/SECTION:INIT,ERWD")
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else()
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if(GDB)
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# Completely disable optimizations when debugging the kernel
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sdk/cmake/msvc.cmake
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sdk/cmake/msvc.cmake
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add_target_link_flags(${MODULE} "/DLL")
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elseif(${TYPE} STREQUAL "kernelmodedriver")
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# Disable linker warning 4078 (multiple sections found with different attributes) for INIT section use
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add_target_link_flags(${MODULE} "/DRIVER /IGNORE:4078 /SECTION:INIT,D")
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add_target_link_flags(${MODULE} "/DRIVER /SECTION:INIT,ERWD")
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elseif(${TYPE} STREQUAL "wdmdriver")
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add_target_link_flags(${MODULE} "/DRIVER:WDM /IGNORE:4078 /SECTION:INIT,D")
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add_target_link_flags(${MODULE} "/DRIVER:WDM /SECTION:INIT,ERWD")
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endif()
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if(RUNTIME_CHECKS)
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sdk/include/ndk/section_attribs.h
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sdk/include/ndk/section_attribs.h
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Abstract:
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Preprocessor definitions to put code and data into the INIT section.
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Preprocessor definitions to put code and data into specific sections.
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Author:
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···
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#if defined(__GNUC__) || defined(__clang__)
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#define INIT_SECTION __attribute__((section ("INIT")))
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#define INIT_FUNCTION __attribute__((section ("INIT")))
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#define DATA_SEG(segment) __attribute__((section(segment)))
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#define CODE_SEG(segment) __attribute__((section(segment)))
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#elif defined(_MSC_VER)
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#pragma comment(linker, "/SECTION:INIT,ERW")
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#define INIT_SECTION __declspec(allocate("INIT"))
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#if (_MSC_VER >= 1800) // Visual Studio 2013 / version 12.0
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#define INIT_FUNCTION __declspec(code_seg("INIT"))
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#else
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#pragma section("INIT", read,execute,discard)
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#define INIT_FUNCTION
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#endif
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#define DATA_SEG(segment) __declspec(allocate(segment))
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#define CODE_SEG(segment) __declspec(code_seg(segment))
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#else
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