Remove PeiPeCoffLoader.h and gPeiPeCoffLoaderGuid, and Add PeCoffExtraActionLib class and instances.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7812 6f19259b-4bc3-4df7-8a09-765794883524
2009-03-05 09:20:08 +00:00
parent 27b2d249d5
commit 398b646f5b
15 changed files with 407 additions and 1016 deletions
--- a/UnixPkg/Library/PeiUnixPeCoffExtraActionLib/PeiUnixPeCoffExtraActionLib.c
+++ b/UnixPkg/Library/PeiUnixPeCoffExtraActionLib/PeiUnixPeCoffExtraActionLib.c
@@ -0,0 +1,137 @@
+/**@file
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+  PeiUnixPeCoffExtraActionLib.c
+
+Abstract:
+
+  Provides services to perform additional actions to relocate and unload
+  PE/Coff image for UNIX environment specific purpose such as souce level debug.
+  This version only works for PEI phase
+
+
+**/
+#include <PiPei.h>
+#include <Ppi/UnixThunk.h>
+#include <FrameworkModuleBase.h>
+
+#include <Library/PeCoffLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/PeCoffExtraActionLib.h>
+
+//
+// Cache of UnixThunk protocol 
+//
+EFI_UNIX_THUNK_PROTOCOL   *mUnix = NULL;
+
+/**
+  The function caches the pointer of the WinNT thunk functions
+  It will ASSERT() if Unix thunk ppi is not installed.
+
+  @retval EFI_SUCCESS   WinNT thunk protocol is found and cached.
+
+**/
+EFI_STATUS
+EFIAPI
+UnixPeCoffGetUnixThunkStucture (
+  )
+{
+	PEI_UNIX_THUNK_PPI  *UnixThunkPpi;
+  EFI_STATUS        Status;
+
+  
+  //
+  // Locate Unix ThunkPpi for retrieving standard output handle
+  //
+  Status = PeiServicesLocatePpi (
+              &gPeiUnixThunkPpiGuid,
+              0,
+              NULL,
+              (VOID **) &UnixThunkPpi
+              );
+
+  ASSERT_EFI_ERROR (Status);
+
+  mUnix  = (EFI_UNIX_THUNK_PROTOCOL *) UnixThunkPpi->UnixThunk ();
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Applies additional actions to relocate fixups to a PE/COFF image.
+
+  Generally this function is called after sucessfully Applying relocation fixups 
+  to a PE/COFF image for some specicial purpose.  
+  
+  @param  ImageContext        Pointer to the image context structure that describes the PE/COFF
+                              image that is being relocated.
+
+**/
+VOID
+EFIAPI
+PeCoffLoaderRelocateImageExtraAction (
+  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext
+  )
+{
+  VOID * Handle;
+  VOID * Entry;
+
+  Handle = NULL;
+  Entry  = NULL;
+  
+  if (mUnix == NULL) {
+    UnixPeCoffGetUnixThunkStucture ();
+  }
+  DEBUG ((EFI_D_ERROR, "Loading %s 0x%08lx - entry point 0x%08lx\n",
+          ImageContext->PdbPointer,
+          (UINTN)ImageContext->ImageAddress,
+          (UINTN)ImageContext->EntryPoint));
+
+  Handle = mUnix->Dlopen (ImageContext->PdbPointer, RTLD_NOW);
+  
+  if (Handle) {
+    Entry = mUnix->Dlsym(Handle, "_ModuleEntryPoint");
+  } else {
+  	DEBUG ((EFI_D_ERROR, "%s\n", mUnix->Dlerror()));
+  }
+  
+  if (Entry != NULL) {
+    ImageContext->EntryPoint = Entry;
+    DEBUG ((EFI_D_ERROR, "Change %s Entrypoint to :0x%08lx\n", ImageContext->PdbPointer, Entry));
+  }
+
+
+  return;
+ }  
+
+/**
+  Unloads a loaded PE/COFF image from memory and releases its taken resource.
+  
+  Releases any environment specific resources that were allocated when the image 
+  specified by ImageContext was loaded using PeCoffLoaderLoadImage(). 
+  
+  If ImageContext is NULL, then ASSERT().
+  
+  @param  ImageContext              Pointer to the image context structure that describes the PE/COFF
+                                    image to be unloaded.
+
+**/
+VOID
+EFIAPI
+PeCoffLoaderUnloadImageExtraAction (
+  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext
+  )
+{
+}