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Last change
on this file since 108794 was 108794, checked in by vboxsync, 2 weeks ago |
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Devices/EFI/FirmwareNew: Merge edk2-stable202502 from the vendor branch and make it build for the important platforms, bugref:4643
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Property svn:eol-style
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native
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File size:
1.1 KB
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| 1 | /** @file
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| 2 | Provides the required functionality for handling stack
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| 3 | cookie check failures for MSVC.
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| 4 |
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| 5 | Copyright (c) Microsoft Corporation.
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| 6 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 7 | **/
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| 8 |
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| 9 | #include <Base.h>
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| 10 |
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| 11 | #include <Library/DebugLib.h>
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| 12 | #include <Library/BaseLib.h>
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| 13 | #include <Library/StackCheckLib.h>
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| 14 | #include <Library/StackCheckFailureHookLib.h>
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| 15 |
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| 16 | /**
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| 17 | Triggers an interrupt using the vector specified by PcdStackCookieExceptionVector
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| 18 | **/
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| 19 | VOID
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| 20 | TriggerStackCookieInterrupt (
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| 21 | VOID
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| 22 | );
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| 23 |
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| 24 | VOID *__security_cookie = (VOID *)(UINTN)STACK_COOKIE_VALUE;
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| 25 |
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| 26 | /**
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| 27 | This function gets called when an MSVC generated stack cookie fails. This implementation calls into a platform
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| 28 | failure hook lib and then triggers the stack cookie interrupt.
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| 29 |
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| 30 | @param[in] ActualCookieValue The value that was written onto the stack, corrupting the stack cookie.
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| 31 |
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| 32 | **/
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| 33 | VOID
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| 34 | StackCheckFailure (
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| 35 | VOID *ActualCookieValue
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| 36 | )
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| 37 | {
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| 38 | DEBUG ((DEBUG_ERROR, "Stack cookie check failed at address 0x%llx!\n", RETURN_ADDRESS (0)));
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| 39 | StackCheckFailureHook (RETURN_ADDRESS (0));
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| 40 | TriggerStackCookieInterrupt ();
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| 41 | }
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