47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/*
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* VAS_EBOOT -- GRand Unified Bootloader
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* Copyright (C) 2021 Free Software Foundation, Inc.
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*
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* VAS_EBOOT is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* VAS_EBOOT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with VAS_EBOOT. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef VAS_EBOOT_STACK_PROTECTOR_H
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#define VAS_EBOOT_STACK_PROTECTOR_H 1
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#include <VasEBoot/symbol.h>
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#include <VasEBoot/types.h>
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#ifdef VAS_EBOOT_STACK_PROTECTOR
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extern VasEBoot_addr_t EXPORT_VAR (__stack_chk_guard);
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extern void __attribute__ ((noreturn)) EXPORT_FUNC (__stack_chk_fail) (void);
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#if defined(_WIN64) && !defined(__CYGWIN__) /* MinGW, Windows 64-bit target. */
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static VasEBoot_addr_t __attribute__ ((weakref("__stack_chk_guard"))) EXPORT_VAR (_stack_chk_guard);
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static void __attribute__ ((noreturn, weakref("__stack_chk_fail"))) EXPORT_FUNC (_stack_chk_fail) (void);
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#endif
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extern VasEBoot_addr_t VasEBoot_stack_protector_init (void);
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static inline __attribute__((__always_inline__))
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void VasEBoot_update_stack_guard (void)
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{
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VasEBoot_addr_t guard;
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guard = VasEBoot_stack_protector_init ();
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if (guard)
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__stack_chk_guard = guard;
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}
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#endif
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#endif /* VAS_EBOOT_STACK_PROTECTOR_H */
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