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	 900ec37f81
			
		
	
	
		900ec37f81
		
	
	
	
	
		
			
			Remove all functions with platform #if's from fenv, and add arch dependent implementations instead. The build system now selects the implementation based on the platform.
		
			
				
	
	
		
			64 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
| set(LOADER_SOURCES
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|     main.cpp
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|     misc.cpp
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| )
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| 
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| file(GLOB ELF_SOURCES "../Libraries/LibELF/*.cpp")
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| file(GLOB LIBC_SOURCES1 "../Libraries/LibC/*.cpp")
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| file(GLOB LIBC_SOURCES2 "../Libraries/LibC/*/*.cpp")
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| 
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| set(ARCH_FOLDER "${SERENITY_ARCH}")
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| 
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| file(GLOB LIBC_SOURCES3 "../Libraries/LibC/arch/${ARCH_FOLDER}/*.S")
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| set(ELF_SOURCES ${ELF_SOURCES} "../Libraries/LibELF/Arch/${ARCH_FOLDER}/entry.S" "../Libraries/LibELF/Arch/${ARCH_FOLDER}/plt_trampoline.S")
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| set(LIBC_SOURCES3 ${LIBC_SOURCES3} "../Libraries/LibC/arch/${ARCH_FOLDER}/fenv.cpp")
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| if ("${SERENITY_ARCH}" STREQUAL "x86_64")
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|     set(LIBC_SOURCES3 ${LIBC_SOURCES3} "../Libraries/LibC/arch/x86_64/memset.cpp")
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| elseif ("${SERENITY_ARCH}" STREQUAL "aarch64")
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|     set(ELF_SOURCES ${ELF_SOURCES} "../Libraries/LibELF/Arch/aarch64/tls.S")
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| endif()
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| 
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| file(GLOB LIBSYSTEM_SOURCES "../Libraries/LibSystem/*.cpp")
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| 
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| if (ENABLE_UNDEFINED_SANITIZER)
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|     set(LOADER_SOURCES ${LOADER_SOURCES} ../Libraries/LibSanitizer/UBSanitizer.cpp)
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| endif()
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| 
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| # pthread requires thread local storage, which DynamicLoader does not have.
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| list(FILTER LIBC_SOURCES1 EXCLUDE REGEX ".*/LibC/(pthread|semaphore)\\.cpp")
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| 
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| add_definitions(-D_DYNAMIC_LOADER)
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| 
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| set(SOURCES ${LOADER_SOURCES} ${AK_SOURCES} ${ELF_SOURCES} ${LIBC_SOURCES1} ${LIBC_SOURCES2} ${LIBC_SOURCES3} ${LIBSYSTEM_SOURCES})
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| 
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| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -nostdlib -pie -fpie -DNO_TLS")
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| 
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| if ("${SERENITY_ARCH}" STREQUAL "aarch64")
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|     # On aarch64 the stack protector would be accessed before the Loader can relocate itself.
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|     set_source_files_properties(main.cpp ../Libraries/LibELF/Relocation.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector")
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| endif()
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| 
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| set_source_files_properties(../Libraries/LibC/ssp.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector")
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| set_source_files_properties(../Libraries/LibC/ssp_nonshared.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector")
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| # Prevent GCC from removing null checks by marking the `FILE*` argument non-null
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| set_source_files_properties(../Libraries/LibC/stdio.cpp PROPERTIES COMPILE_FLAGS "-fno-builtin-fputc -fno-builtin-fputs -fno-builtin-fwrite")
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| 
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| # Prevent naively implemented string functions (like strlen) from being "optimized" into a call to themselves.
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| if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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|     set_source_files_properties(../Libraries/LibC/string.cpp ../Libraries/LibC/wchar.cpp
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|         PROPERTIES COMPILE_FLAGS "-fno-tree-loop-distribution -fno-tree-loop-distribute-patterns")
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| endif()
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| 
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| add_executable(Loader.so ${SOURCES})
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| add_dependencies(Loader.so install_libc_headers)
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| 
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| if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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|     target_link_libraries(Loader.so PRIVATE gcc)
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| elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang$")
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|     target_link_libraries(Loader.so PRIVATE clang_rt.builtins)
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| endif ()
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| 
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| # Note: Don't confuse the coverage results by instrumenting Loader
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| target_link_libraries(Loader.so PRIVATE LibTimeZone NoCoverage)
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| target_link_options(Loader.so PRIVATE LINKER:--no-dynamic-linker)
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| install(TARGETS Loader.so RUNTIME DESTINATION usr/lib/)
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