|
Last change
on this file since 109091 was 108794, checked in by vboxsync, 5 weeks ago |
|
Devices/EFI/FirmwareNew: Merge edk2-stable202502 from the vendor branch and make it build for the important platforms, bugref:4643
|
-
Property svn:eol-style
set to
native
|
|
File size:
966 bytes
|
| Line | |
|---|
| 1 | /** @file
|
|---|
| 2 | Provides the required functionality for handling stack
|
|---|
| 3 | cookie check failures in GCC.
|
|---|
| 4 |
|
|---|
| 5 | Copyright (c) Microsoft Corporation.
|
|---|
| 6 | SPDX-License-Identifier: BSD-2-Clause-Patent
|
|---|
| 7 | **/
|
|---|
| 8 |
|
|---|
| 9 | #include <Base.h>
|
|---|
| 10 |
|
|---|
| 11 | #include <Library/DebugLib.h>
|
|---|
| 12 | #include <Library/BaseLib.h>
|
|---|
| 13 | #include <Library/StackCheckLib.h>
|
|---|
| 14 | #include <Library/StackCheckFailureHookLib.h>
|
|---|
| 15 |
|
|---|
| 16 | /**
|
|---|
| 17 | Triggers an interrupt using the vector specified by PcdStackCookieExceptionVector
|
|---|
| 18 | **/
|
|---|
| 19 | VOID
|
|---|
| 20 | TriggerStackCookieInterrupt (
|
|---|
| 21 | VOID
|
|---|
| 22 | );
|
|---|
| 23 |
|
|---|
| 24 | VOID *__stack_chk_guard = (VOID *)(UINTN)STACK_COOKIE_VALUE;
|
|---|
| 25 |
|
|---|
| 26 | /**
|
|---|
| 27 | This function gets called when a gcc/clang generated stack cookie fails. This implementation calls into a platform
|
|---|
| 28 | failure hook lib and then triggers the stack cookie interrupt.
|
|---|
| 29 |
|
|---|
| 30 | **/
|
|---|
| 31 | VOID
|
|---|
| 32 | EFIAPI
|
|---|
| 33 | __stack_chk_fail (
|
|---|
| 34 | VOID
|
|---|
| 35 | )
|
|---|
| 36 | {
|
|---|
| 37 | DEBUG ((DEBUG_ERROR, "Stack cookie check failed at address 0x%llx!\n", RETURN_ADDRESS (0)));
|
|---|
| 38 | StackCheckFailureHook (RETURN_ADDRESS (0));
|
|---|
| 39 | TriggerStackCookieInterrupt ();
|
|---|
| 40 | }
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
