Add ARM support

[mirror_edk2.git] / MdePkg / Library / BasePeCoffLib / BasePeCoff.c

diff --git a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c
index e3a7b5387be29b71b0e34ddaf5eaf8a59cd06897..0194cdba9761f6791749cfd8955ebe7e645357aa 100644 (file)
--- a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c
+++ b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c
@@ -2,7 +2,8 @@
   Base PE/COFF loader supports loading any PE32/PE32+ or TE image, but\r
   only supports relocating IA32, x64, IPF, and EBC images.\r
 \r
-  Copyright (c) 2006 - 2008, Intel Corporation\r
+  Copyright (c) 2006 - 2008, Intel Corporation<BR>\r
+  Portions Copyright (c) 2008-2009 Apple Inc.<BR>
   All rights reserved. This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -254,10 +255,11 @@ PeCoffLoaderGetImageInfo (
   ImageContext->DestinationAddress = 0;\r
 \r
   //\r
-  // Initialize the codeview pointer.\r
+  // Initialize the debug codeview pointer.\r
   //\r
-  ImageContext->CodeView    = NULL;\r
-  ImageContext->PdbPointer  = NULL;\r
+  ImageContext->DebugDirectoryEntryRva = 0;\r
+  ImageContext->CodeView               = NULL;\r
+  ImageContext->PdbPointer             = NULL;\r
 \r
   //\r
   // Three cases with regards to relocations:\r
@@ -494,6 +496,10 @@ PeCoffLoaderImageAddress (
     \r
   If ImageContext is NULL, then ASSERT().\r
 \r
+  Note that if the platform does not maintain coherency between the instruction cache(s) and the data\r
+  cache(s) in hardware, then the caller is responsible for performing cache maintenance operations\r
+  prior to transferring control to a PE/COFF image that is loaded using this library.\r
+\r
   @param  ImageContext        Pointer to the image context structure that describes the PE/COFF\r
                               image that is being relocated.\r
 \r
@@ -760,6 +766,10 @@ PeCoffLoaderRelocateImage (
   \r
   If ImageContext is NULL, then ASSERT().\r
 \r
+  Note that if the platform does not maintain coherency between the instruction cache(s) and the data\r
+  cache(s) in hardware, then the caller is responsible for performing cache maintenance operations\r
+  prior to transferring control to a PE/COFF image that is loaded using this library.\r
+\r
   @param  ImageContext              Pointer to the image context structure that describes the PE/COFF\r
                                     image that is being loaded.\r
 \r
@@ -1143,6 +1153,10 @@ PeCoffLoaderLoadImage (
           ImageContext->PdbPointer = (CHAR8 *)ImageContext->CodeView + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY);\r
           break;\r
 \r
+        case CODEVIEW_SIGNATURE_MTOC:
+          ImageContext->PdbPointer = (CHAR8 *)ImageContext->CodeView + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY);\r
+          break;
+
         default:\r
           break;\r
         }\r
@@ -1230,6 +1244,10 @@ PeCoffLoaderLoadImage (
   to the FiuxupData buffer from the PE_COFF_LOADER_IMAGE_CONTEXT structure \r
   after this PE/COFF image was relocated with PeCoffLoaderRelocateImage().\r
 \r
+  Note that if the platform does not maintain coherency between the instruction cache(s) and the data\r
+  cache(s) in hardware, then the caller is responsible for performing cache maintenance operations\r
+  prior to transferring control to a PE/COFF image that is loaded using this library.\r
+\r
   @param  ImageBase          Base address of a PE/COFF image that has been loaded \r
                              and relocated into system memory.\r
   @param  VirtImageBase      The request virtual address that the PE/COFF image is to\r