[Patch] MdeModulePkg/PiSmmCore: Use unique structure signatures

["Michael D Kinney" <michael.d.kinney@intel.com>]

https://bugzilla.tianocore.org/show_bug.cgi?id=1948

Update the data structure signatures in the PiSmmCore
to be unique. Some of the signatures are the same as those
used by the DxeCore. For example, the memory pool head and
tail structures use the same signature in the PiSmmCore
and DxeCore.  This means the use of the wrong FreePool API
will not be noticed at the time FreePool is called and a
failure can occur much later.  By making the signatures
unique, misuse of an API is caught at that time the API is
called.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
---
 MdeModulePkg/Core/PiSmmCore/PiSmmCore.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.h b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.h
index da01a1f07d..0908e7f4e9 100644
--- a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.h
+++ b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.h
@@ -2,7 +2,7 @@
   The internal header file includes the common header files, defines
   internal structure and functions used by SmmCore module.
 
-  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -140,7 +140,7 @@ typedef struct {
   EFI_LOADED_IMAGE_PROTOCOL       SmmLoadedImage;
 } EFI_SMM_DRIVER_ENTRY;
 
-#define EFI_HANDLE_SIGNATURE            SIGNATURE_32('h','n','d','l')
+#define EFI_HANDLE_SIGNATURE            SIGNATURE_32('s','h','d','l')
 
 ///
 /// IHANDLE - contains a list of protocol handles
@@ -156,7 +156,7 @@ typedef struct {
 
 #define ASSERT_IS_HANDLE(a)  ASSERT((a)->Signature == EFI_HANDLE_SIGNATURE)
 
-#define PROTOCOL_ENTRY_SIGNATURE        SIGNATURE_32('p','r','t','e')
+#define PROTOCOL_ENTRY_SIGNATURE        SIGNATURE_32('s','p','t','e')
 
 ///
 /// PROTOCOL_ENTRY - each different protocol has 1 entry in the protocol
@@ -175,7 +175,7 @@ typedef struct {
   LIST_ENTRY          Notify;
 } PROTOCOL_ENTRY;
 
-#define PROTOCOL_INTERFACE_SIGNATURE  SIGNATURE_32('p','i','f','c')
+#define PROTOCOL_INTERFACE_SIGNATURE  SIGNATURE_32('s','p','i','f')
 
 ///
 /// PROTOCOL_INTERFACE - each protocol installed on a handle is tracked
@@ -195,7 +195,7 @@ typedef struct {
   VOID                        *Interface;
 } PROTOCOL_INTERFACE;
 
-#define PROTOCOL_NOTIFY_SIGNATURE       SIGNATURE_32('p','r','t','n')
+#define PROTOCOL_NOTIFY_SIGNATURE       SIGNATURE_32('s','p','t','n')
 
 ///
 /// PROTOCOL_NOTIFY - used for each register notification for a protocol
@@ -1245,7 +1245,7 @@ extern LIST_ENTRY  mSmmMemoryMap;
 //
 #define MAX_POOL_INDEX  (MAX_POOL_SHIFT - MIN_POOL_SHIFT + 1)
 
-#define POOL_HEAD_SIGNATURE   SIGNATURE_32('p','h','d','0')
+#define POOL_HEAD_SIGNATURE   SIGNATURE_32('s','p','h','d')
 
 typedef struct {
   UINT32            Signature;
@@ -1254,7 +1254,7 @@ typedef struct {
   UINTN             Size;
 } POOL_HEADER;
 
-#define POOL_TAIL_SIGNATURE   SIGNATURE_32('p','t','a','l')
+#define POOL_TAIL_SIGNATURE   SIGNATURE_32('s','p','t','l')
 
 typedef struct {
   UINT32            Signature;
-- 
2.21.0.windows.1