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authorOliver Smith-Denny <osde@linux.microsoft.com>2024-07-23 16:07:25 -0700
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2024-09-13 03:58:46 +0000
commita9b38305b64ef5997d0ba5f7d2797a75edd1f9ef (patch)
tree48a186dcd5d31df1f66f28be0fec82a66b8f0a76 /MdePkg
parentf53f029122d4493e9db95e2424dd8f067f247661 (diff)
downloadedk2-a9b38305b64ef5997d0ba5f7d2797a75edd1f9ef.tar.gz
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MdePkg: Remove Old Stack Check Lib Implementation
Now that the new stack check lib implementation is being used everywhere, remove the old one. Signed-off-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Diffstat (limited to 'MdePkg')
-rw-r--r--MdePkg/Library/BaseStackCheckLib/BaseStackCheckGcc.c50
-rw-r--r--MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf39
-rw-r--r--MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.uni16
-rw-r--r--MdePkg/Library/BaseStackCheckLib/BaseStackCheckNull.c9
-rw-r--r--MdePkg/MdePkg.dsc1
5 files changed, 0 insertions, 115 deletions
diff --git a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckGcc.c b/MdePkg/Library/BaseStackCheckLib/BaseStackCheckGcc.c
deleted file mode 100644
index ea168841b6..0000000000
--- a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckGcc.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/** @file
- Base Stack Check library for GCC/clang.
-
- Use -fstack-protector-all compiler flag to make the compiler insert the
- __stack_chk_guard "canary" value into the stack and check the value prior
- to exiting the function. If the "canary" is overwritten __stack_chk_fail()
- is called. This is GCC specific code.
-
- Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
- Copyright (c) 2012, Apple Inc. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <Base.h>
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Library/PcdLib.h>
-
-/// "canary" value that is inserted by the compiler into the stack frame.
-VOID *__stack_chk_guard = (VOID *)0x0AFF;
-
-// If ASLR was enabled we could use
-// void (*__stack_chk_guard)(void) = __stack_chk_fail;
-
-/**
- Error path for compiler generated stack "canary" value check code. If the
- stack canary has been overwritten this function gets called on exit of the
- function.
-**/
-VOID
-__stack_chk_fail (
- VOID
- )
-{
- UINT8 DebugPropertyMask;
-
- DEBUG ((DEBUG_ERROR, "STACK FAULT: Buffer Overflow at 0x%p.\n", RETURN_ADDRESS (0)));
-
- //
- // Generate a Breakpoint, DeadLoop, or NOP based on PCD settings even if
- // BaseDebugLibNull is in use.
- //
- DebugPropertyMask = PcdGet8 (PcdDebugPropertyMask);
- if ((DebugPropertyMask & DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) {
- CpuBreakpoint ();
- } else if ((DebugPropertyMask & DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED) != 0) {
- CpuDeadLoop ();
- }
-}
diff --git a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf b/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf
deleted file mode 100644
index b827645d72..0000000000
--- a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf
+++ /dev/null
@@ -1,39 +0,0 @@
-## @file
-# Stack Check Library
-#
-# Stack Check Library
-#
-# Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>
-#
-# SPDX-License-Identifier: BSD-2-Clause-Patent
-#
-#
-##
-
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = BaseStackCheckLib
- MODULE_UNI_FILE = BaseStackCheckLib.uni
- FILE_GUID = 5f6579f7-b648-4fdb-9f19-4c17e27e8eff
- MODULE_TYPE = BASE
- VERSION_STRING = 1.0
- LIBRARY_CLASS = NULL
-
-
-#
-# VALID_ARCHITECTURES = ARM AARCH64
-#
-
-[Sources]
- BaseStackCheckGcc.c | GCC
- BaseStackCheckNull.c | MSFT
-
-[Packages]
- MdePkg/MdePkg.dec
-
-[LibraryClasses]
- BaseLib
- DebugLib
-
-[Pcd]
- gEfiMdePkgTokenSpaceGuid.PcdDebugPropertyMask ## CONSUMES
diff --git a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.uni b/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.uni
deleted file mode 100644
index 03b9d7cd53..0000000000
--- a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.uni
+++ /dev/null
@@ -1,16 +0,0 @@
-// /** @file
-// Stack Check Library
-//
-// Stack Check Library
-//
-// Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>
-//
-// SPDX-License-Identifier: BSD-2-Clause-Patent
-//
-// **/
-
-
-#string STR_MODULE_ABSTRACT #language en-US "Stack Check Library"
-
-#string STR_MODULE_DESCRIPTION #language en-US "Stack Check Library"
-
diff --git a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckNull.c b/MdePkg/Library/BaseStackCheckLib/BaseStackCheckNull.c
deleted file mode 100644
index 32932002fa..0000000000
--- a/MdePkg/Library/BaseStackCheckLib/BaseStackCheckNull.c
+++ /dev/null
@@ -1,9 +0,0 @@
-/** @file
- This file is purely empty as a work around for BaseStackCheck to pass MSVC build.
-
- Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-extern int __BaseStackCheckNull;
diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc
index 92809e4a75..0f00172be1 100644
--- a/MdePkg/MdePkg.dsc
+++ b/MdePkg/MdePkg.dsc
@@ -197,7 +197,6 @@
[Components.ARM, Components.AARCH64]
MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicArmVirt.inf
- MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf
MdePkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf
[Components.RISCV64]