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24 lines
693 B
C
24 lines
693 B
C
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#define FAST_FAIL_STACK_COOKIE_CHECK_FAILURE 2
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/* Should be random :-/ */
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void * __stack_chk_guard = (void*)0xf00df00d;
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#if 0
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void __stack_chk_guard_setup()
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{
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unsigned char * p;
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p = (unsigned char *)&__stack_chk_guard; // *** Notice that this takes the address of __stack_chk_guard ***
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/* If you have the ability to generate random numbers in your kernel then use them,
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otherwise for 32-bit code: */
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*p = 0x00000aff; // *** p is &__stack_chk_guard so *p writes to __stack_chk_guard rather than *__stack_chk_guard ***
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}
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#endif
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void __stack_chk_fail()
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{
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/* Like __fastfail */
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__asm__("int $0x29" : : "c"(FAST_FAIL_STACK_COOKIE_CHECK_FAILURE) : "memory");
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}
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