2 files changed, 139 insertions, 0 deletions
diff --git a/roms/edk2/EmulatorPkg/Library/DxeEmuPeCoffExtraActionLib/DxeEmuPeCoffExtraActionLib.c b/roms/edk2/EmulatorPkg/Library/DxeEmuPeCoffExtraActionLib/DxeEmuPeCoffExtraActionLib.c
new file mode 100644
index 000000000..44a42a378
--- /dev/null
+++ b/roms/edk2/EmulatorPkg/Library/DxeEmuPeCoffExtraActionLib/DxeEmuPeCoffExtraActionLib.c
@@ -0,0 +1,97 @@
+/** @file
+  Provides services to perform additional actions to relocate and unload
+  PE/Coff image for Emu environment specific purpose such as souce level debug.
+  This version only works for DXE phase
+
+Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiDxe.h>
+
+#include <Protocol/EmuThunk.h>
+
+#include <Library/PeCoffLib.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/PeCoffExtraActionLib.h>
+
+//
+// Cache of UnixThunk protocol
+//
+EMU_THUNK_PROTOCOL   *mThunk = NULL;
+
+
+/**
+  The constructor function gets  the pointer of the WinNT thunk functions
+  It will ASSERT() if Unix thunk protocol is not installed.
+
+  @retval EFI_SUCCESS   Unix thunk protocol is found and cached.
+
+**/
+EFI_STATUS
+EFIAPI
+DxeEmuPeCoffLibExtraActionConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+   EFI_HOB_GUID_TYPE        *GuidHob;
+
+  //
+  // Retrieve EmuThunkProtocol from GUID'ed HOB
+  //
+  GuidHob = GetFirstGuidHob (&gEmuThunkProtocolGuid);
+  ASSERT (GuidHob != NULL);
+  mThunk = (EMU_THUNK_PROTOCOL *)(*(UINTN *)(GET_GUID_HOB_DATA (GuidHob)));
+  ASSERT (mThunk != NULL);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Performs additional actions after a PE/COFF image has been loaded and relocated.
+
+  If ImageContext is NULL, then ASSERT().
+
+  @param  ImageContext  Pointer to the image context structure that describes the
+                        PE/COFF image that has already been loaded and relocated.
+
+**/
+VOID
+EFIAPI
+PeCoffLoaderRelocateImageExtraAction (
+  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext
+  )
+{
+  if (mThunk != NULL) {
+    mThunk->PeCoffRelocateImageExtraAction (ImageContext);
+  }
+}
+
+
+
+/**
+  Performs additional actions just before a PE/COFF image is unloaded.  Any resources
+  that were allocated by PeCoffLoaderRelocateImageExtraAction() must be freed.
+
+  If ImageContext is NULL, then ASSERT().
+
+  @param  ImageContext  Pointer to the image context structure that describes the
+                        PE/COFF image that is being unloaded.
+
+**/
+VOID
+EFIAPI
+PeCoffLoaderUnloadImageExtraAction (
+  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext
+  )
+{
+  if (mThunk != NULL) {
+    mThunk->PeCoffUnloadImageExtraAction (ImageContext);
+  }
+}
diff --git a/roms/edk2/EmulatorPkg/Library/DxeEmuPeCoffExtraActionLib/DxeEmuPeCoffExtraActionLib.inf b/roms/edk2/EmulatorPkg/Library/DxeEmuPeCoffExtraActionLib/DxeEmuPeCoffExtraActionLib.inf
new file mode 100644
index 000000000..fdc890a00
--- /dev/null
+++ b/roms/edk2/EmulatorPkg/Library/DxeEmuPeCoffExtraActionLib/DxeEmuPeCoffExtraActionLib.inf
@@ -0,0 +1,42 @@
+## @file
+# PeCoff extra action libary for DXE phase that run Emu emulator.
+#
+# Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
+# Portions copyright (c) 2011, Apple Inc. All rights reserved.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+
+#
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = DxeEmuPeCoffExtraActionLib
+  FILE_GUID                      = 68FCD487-D230-6846-95B1-5E1F2EF942C4
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = PeCoffExtraActionLib|DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER UEFI_DRIVER
+
+  CONSTRUCTOR                    = DxeEmuPeCoffLibExtraActionConstructor
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32
+#
+
+[Sources]
+  DxeEmuPeCoffExtraActionLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  EmulatorPkg/EmulatorPkg.dec
+
+[LibraryClasses]
+  DebugLib
+  HobLib
+  BaseMemoryLib
+
+[Protocols]
+  gEmuThunkProtocolGuid                     # PROTOCOL ALWAYS_CONSUMED
+