Provides the services to get the entry point to a PE/COFF image that has either been \r
loaded into memory or is executing at it's linked address.\r
\r
- Copyright (c) 2006 - 2008, Intel Corporation<BR>\r
- Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>\r
- All rights reserved. This program and the accompanying materials\r
+ Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+ Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
+ 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
- http://opensource.org/licenses/bsd-license.php\r
+ http://opensource.org/licenses/bsd-license.php.\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
If Pe32Data is NULL, then ASSERT().\r
If EntryPoint is NULL, then ASSERT().\r
\r
- @param Pe32Data Pointer to the PE/COFF image that is loaded in system memory.\r
- @param EntryPoint Pointer to entry point to the PE/COFF image to return.\r
+ @param Pe32Data The pointer to the PE/COFF image that is loaded in system memory.\r
+ @param EntryPoint The pointer to entry point to the PE/COFF image to return.\r
\r
@retval RETURN_SUCCESS EntryPoint was returned.\r
@retval RETURN_INVALID_PARAMETER The entry point could not be found in the PE/COFF image.\r
Returns the machine type from the PE/COFF image specified by Pe32Data.\r
If Pe32Data is NULL, then ASSERT().\r
\r
- @param Pe32Data Pointer to the PE/COFF image that is loaded in system\r
+ @param Pe32Data The pointer to the PE/COFF image that is loaded in system\r
memory.\r
\r
- @return Machine type or zero if not a valid iamge.\r
+ @return Machine type or zero if not a valid image.\r
\r
**/\r
UINT16\r
then NULL is returned.\r
If Pe32Data is NULL, then ASSERT().\r
\r
- @param Pe32Data Pointer to the PE/COFF image that is loaded in system\r
+ @param Pe32Data The pointer to the PE/COFF image that is loaded in system\r
memory.\r
\r
@return The PDB file name for the PE/COFF image specified by Pe32Data or NULL\r
return NULL;\r
}\r
\r
+/**\r
+ Returns the size of the PE/COFF headers\r
+\r
+ Returns the size of the PE/COFF header specified by Pe32Data.\r
+ If Pe32Data is NULL, then ASSERT().\r
+\r
+ @param Pe32Data The pointer to the PE/COFF image that is loaded in system\r
+ memory.\r
+\r
+ @return Size of PE/COFF header in bytes or zero if not a valid image.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+PeCoffGetSizeOfHeaders (\r
+ IN VOID *Pe32Data\r
+ )\r
+{\r
+ EFI_IMAGE_DOS_HEADER *DosHdr;\r
+ EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r
+ UINTN SizeOfHeaders;\r
+\r
+ ASSERT (Pe32Data != NULL);\r
+ \r
+ DosHdr = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r
+ if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
+ //\r
+ // DOS image header is present, so read the PE header after the DOS image header.\r
+ //\r
+ Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));\r
+ } else {\r
+ //\r
+ // DOS image header is not present, so PE header is at the image base.\r
+ //\r
+ Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;\r
+ }\r
+\r
+ if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r
+ SizeOfHeaders = sizeof (EFI_TE_IMAGE_HEADER) + (UINTN)Hdr.Te->BaseOfCode - (UINTN)Hdr.Te->StrippedSize;\r
+ } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {\r
+ SizeOfHeaders = Hdr.Pe32->OptionalHeader.SizeOfHeaders;\r
+ } else {\r
+ SizeOfHeaders = 0;\r
+ }\r
+\r
+ return (UINT32) SizeOfHeaders;\r
+}\r
\r