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DynamicLoader: Disable stack protector in some files for aarch64 build

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The code would access the __stack_chk_guard variable in main.cpp and
LibELF/Relocation.cpp before the loader was able to relocate itself, so
this commit disable the stack protector for the aarch64 build to make
sure that no accesses to __stack_chk_guard are inserted.
This commit is contained in:
Timon Kruiper 2023-01-30 15:16:11 +01:00 • committed by Jelle Raaijmakers
parent ecc321e099
commit b2e223d2bc
Notes: sideshowbarker 2024-07-17 07:31:31 +09:00
1 changed files with 5 additions and 0 deletions
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5
Userland/DynamicLoader/CMakeLists.txt
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@ -30,6 +30,11 @@ set(SOURCES ${LOADER_SOURCES} ${AK_SOURCES} ${ELF_SOURCES} ${LIBC_SOURCES1} ${LI
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -nostdlib -pie -fpic -DNO_TLS") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -nostdlib -pie -fpic -DNO_TLS")
if ("${SERENITY_ARCH}" STREQUAL "aarch64")
# On aarch64 the stack protector would be accessed before the Loader can relocate itself.
set_source_files_properties(main.cpp ../Libraries/LibELF/Relocation.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector")
endif()
set_source_files_properties(../Libraries/LibC/ssp.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector") set_source_files_properties(../Libraries/LibC/ssp.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector")
set_source_files_properties(../Libraries/LibC/ssp_nonshared.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector") set_source_files_properties(../Libraries/LibC/ssp_nonshared.cpp PROPERTIES COMPILE_FLAGS "-fno-stack-protector")
# Prevent GCC from removing null checks by marking the `FILE*` argument non-null # Prevent GCC from removing null checks by marking the `FILE*` argument non-null