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Kernel+LibC: Build with basic -fstack-protector support
Use simple stack cookies to try to provoke an assertion failure on stack overflow. This is far from perfect, since we use a constant cookie instead of generating a random one on startup, but it can still help us catch bugs, which is the primary concern right now. :^)
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3 changed files with 18 additions and 1 deletions
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@ -1,3 +1,4 @@
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#include <AK/Types.h>
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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@ -51,4 +52,12 @@ int _start(int argc, char** argv, char** env)
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void __cxa_atexit()
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{
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}
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extern u32 __stack_chk_guard;
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u32 __stack_chk_guard = (u32)0xc0000c13;
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[[noreturn]] void __stack_chk_fail()
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{
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ASSERT_NOT_REACHED();
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}
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}
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