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Kernel: Build the kernel as a position-independent executable

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This is a prerequisite for KASLR, which we should eventually be doing.
This commit is contained in:
Andreas Kling 2020-01-06 13:04:11 +01:00
parent 53bda09d15
commit 0614c3dd3c
2 changed files with 6 additions and 1 deletions
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2
Kernel/Makefile
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@ -118,7 +118,7 @@ KERNEL = 1
PROGRAM = kernel PROGRAM = kernel
SUBPROJECT_CXXFLAGS += -ffreestanding -mno-80387 -mno-mmx -mno-sse -mno-sse2 -fno-asynchronous-unwind-tables SUBPROJECT_CXXFLAGS += -pie -fPIE -ffreestanding -mno-80387 -mno-mmx -mno-sse -mno-sse2 -fno-asynchronous-unwind-tables
SUBPROJECT_CXXFLAGS += -nostdlib -nostdinc -nostdinc++ SUBPROJECT_CXXFLAGS += -nostdlib -nostdinc -nostdinc++
SUBPROJECT_CXXFLAGS += -I../Toolchain/Local/i686-pc-serenity/include/c++/9.2.0/ SUBPROJECT_CXXFLAGS += -I../Toolchain/Local/i686-pc-serenity/include/c++/9.2.0/
SUBPROJECT_CXXFLAGS += -I../Toolchain/Local/i686-pc-serenity/include/c++/9.2.0/i686-pc-serenity/ SUBPROJECT_CXXFLAGS += -I../Toolchain/Local/i686-pc-serenity/include/c++/9.2.0/i686-pc-serenity/

5
Kernel/StdLib.cpp
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@ -220,4 +220,9 @@ u32 __stack_chk_guard = (u32)0xc0000c13;
{ {
ASSERT_NOT_REACHED(); ASSERT_NOT_REACHED();
} }
[[noreturn]] void __stack_chk_fail_local()
{
ASSERT_NOT_REACHED();
}
} }