Add generic CpuIoPei module that produces the CPU I/O PPU using the services of the...

[mirror_edk2.git] / MdePkg / Library / BasePeCoffGetEntryPointLib / PeCoffGetEntryPoint.c

diff --git a/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c b/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c
index 99873004aaf78717965744b72c363ee13776b768..347ff92511d6de92577bd2fc9e0de66d4bd8206b 100644 (file)
--- a/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c
+++ b/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c
@@ -3,6 +3,7 @@
   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
   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
@@ -195,16 +196,16 @@ PeCoffLoaderGetPdbPointer (
     //       generate PE32+ image with PE32 Magic.\r
     //\r
     switch (Hdr.Pe32->FileHeader.Machine) {\r
-    case EFI_IMAGE_MACHINE_IA32:\r
+    case IMAGE_FILE_MACHINE_I386:\r
       //\r
       // Assume PE32 image with IA32 Machine field.\r
       //\r
       Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;\r
       break;\r
-    case EFI_IMAGE_MACHINE_X64:\r
-    case EFI_IMAGE_MACHINE_IPF:\r
+    case IMAGE_FILE_MACHINE_X64:\r
+    case IMAGE_FILE_MACHINE_IA64:\r
       //\r
-      // Assume PE32+ image with x64 or IPF Machine field\r
+      // Assume PE32+ image with x64 or IA64 Machine field\r
       //\r
       Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r
       break;\r
@@ -255,6 +256,8 @@ PeCoffLoaderGetPdbPointer (
           return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY));\r
         case CODEVIEW_SIGNATURE_RSDS:\r
           return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY));\r
+        case CODEVIEW_SIGNATURE_MTOC:\r
+          return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY));\r
         default:\r
           break;\r
         }\r
@@ -265,4 +268,49 @@ PeCoffLoaderGetPdbPointer (
   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   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 iamge.\r
+\r
+**/\r
+UINT32
+EFIAPI
+PeCoffGetSizeOfHeaders (
+  IN VOID     *Pe32Data
+  )
+{
+  EFI_IMAGE_DOS_HEADER                  *DosHdr;
+  EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION   Hdr;
+  UINTN                                 SizeOfHeaders;
+
+  ASSERT (Pe32Data   != NULL);\r
+ 
+  DosHdr = (EFI_IMAGE_DOS_HEADER *)Pe32Data;
+  if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {
+    //
+    // DOS image header is present, so read the PE header after the DOS image header.
+    //
+    Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));
+  } else {
+    //
+    // DOS image header is not present, so PE header is at the image base.
+    //
+    Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;
+  }
+
+  if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {
+   SizeOfHeaders = sizeof (EFI_TE_IMAGE_HEADER) + (UINTN)Hdr.Te->BaseOfCode - (UINTN)Hdr.Te->StrippedSize;
+  } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {
+    SizeOfHeaders = Hdr.Pe32->OptionalHeader.SizeOfHeaders;
+  }
+
+  return SizeOfHeaders;
+}\r
 \r