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28 lines
523 B
ArmAsm
28 lines
523 B
ArmAsm
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//
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// __security_check_cookie.asm
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//
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// Copyright (c) 2024 Timo Kreuzer
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//
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// Implementation of __security_check_cookie for x64.
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//
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// SPDX-License-Identifier: MIT
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//
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#include <asm.inc>
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EXTERN __security_cookie:QWORD
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EXTERN __report_gsfailure:PROC
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.code64
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// This function must not clobber any registers!
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PUBLIC __security_check_cookie
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__security_check_cookie:
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cmp rcx, qword ptr __security_cookie[rip]
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jne __security_check_cookie_fail
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ret
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__security_check_cookie_fail:
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jmp __report_gsfailure
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END
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