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| author | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
|---|---|---|
| committer | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
| commit | 878ddf1fc3540a715f63594ed22b6929e881afb4 (patch) | |
| tree | c56c44dac138137b510e1fba7c3efe5e4d84bea2 /MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c | |
| download | edk2-878ddf1fc3540a715f63594ed22b6929e881afb4.zip edk2-878ddf1fc3540a715f63594ed22b6929e881afb4.tar.gz edk2-878ddf1fc3540a715f63594ed22b6929e881afb4.tar.bz2 | |
Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c')
| -rw-r--r-- | MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c b/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c new file mode 100644 index 0000000..d5ff7db --- /dev/null +++ b/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c @@ -0,0 +1,54 @@ +/** @file
+ Tiano PE/COFF loader.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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: PeCoffGetEntryPoint.c
+
+**/
+
+
+
+/**
+ Loads a PE/COFF image into memory.
+
+ @param Pe32Data Pointer to a PE/COFF Image
+
+ @param EntryPoint Pointer to the entry point of the PE/COFF image
+
+ @retval EFI_SUCCESS if the EntryPoint was returned
+ @retval EFI_INVALID_PARAMETER if the EntryPoint could not be found from Pe32Data
+
+**/
+RETURN_STATUS
+EFIAPI
+PeCoffLoaderGetEntryPoint (
+ IN VOID *Pe32Data,
+ IN OUT VOID **EntryPoint
+ )
+{
+ EFI_IMAGE_DOS_HEADER *DosHeader;
+ EFI_IMAGE_NT_HEADERS *PeHeader;
+
+ DosHeader = (EFI_IMAGE_DOS_HEADER *)Pe32Data;
+ if (DosHeader->e_magic == EFI_IMAGE_DOS_SIGNATURE) {
+ //
+ // DOS image header is present, so read the PE header after the DOS image header
+ //
+ PeHeader = (EFI_IMAGE_NT_HEADERS *) ((UINTN) Pe32Data + (UINTN) ((DosHeader->e_lfanew) & 0x0ffff));
+ } else {
+ //
+ // DOS image header is not present, so PE header is at the image base
+ //
+ PeHeader = (EFI_IMAGE_NT_HEADERS *) Pe32Data;
+ }
+ *EntryPoint = (VOID *) ((UINTN) Pe32Data + (UINTN) (PeHeader->OptionalHeader.AddressOfEntryPoint & 0x0ffffffff));
+ return RETURN_SUCCESS;
+}
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