kaguya
32 lines
743 B
C++
32 lines
743 B
C++
#include <stdint.h>
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#include <string.h>
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#include <mlibc/debug.hpp>
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#include <mlibc/stack_protector.hpp>
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uintptr_t __stack_chk_guard = 0;
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namespace mlibc {
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void initStackGuard(void *entropy) {
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if(entropy != nullptr) {
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memcpy(&__stack_chk_guard, entropy, sizeof(__stack_chk_guard));
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} else {
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// If no entropy is available, set it to the terminator canary
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__stack_chk_guard = 0;
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__stack_chk_guard |= ('\n' << 16);
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__stack_chk_guard |= (255 << 24);
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}
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}
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} // namespace mlibc
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extern "C" [[noreturn]] void __stack_chk_fail() {
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mlibc::panicLogger() << "Stack smashing detected!" << frg::endlog;
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__builtin_unreachable();
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}
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extern "C" [[noreturn, gnu::visibility("hidden")]] void __stack_chk_fail_local() {
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__stack_chk_fail();
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};
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