diff options
Diffstat (limited to 'OldMdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c')
| -rw-r--r-- | OldMdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/OldMdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c b/OldMdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c deleted file mode 100644 index ab60297776..0000000000 --- a/OldMdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c +++ /dev/null @@ -1,243 +0,0 @@ -/** @file
- Tiano PE/COFF loader.
-
- Copyright (c) 2006 - 2007, 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
-
-**/
-
-
-
-/**
- Retrieves and returns a pointer to the entry point to a PE/COFF image that has been loaded
- into system memory with the PE/COFF Loader Library functions.
-
- Retrieves the entry point to the PE/COFF image specified by Pe32Data and returns this entry
- point in EntryPoint. If the entry point could not be retrieved from the PE/COFF image, then
- return RETURN_INVALID_PARAMETER. Otherwise return RETURN_SUCCESS.
- If Pe32Data is NULL, then ASSERT().
- If EntryPoint is NULL, then ASSERT().
-
- @param Pe32Data Pointer to the PE/COFF image that is loaded in system memory.
- @param EntryPoint Pointer to entry point to the PE/COFF image to return.
-
- @retval RETURN_SUCCESS EntryPoint was returned.
- @retval RETURN_INVALID_PARAMETER The entry point could not be found in the PE/COFF image.
-
-**/
-RETURN_STATUS
-EFIAPI
-PeCoffLoaderGetEntryPoint (
- IN VOID *Pe32Data,
- OUT VOID **EntryPoint
- )
-{
- EFI_IMAGE_DOS_HEADER *DosHeader;
- EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Header;
-
- ASSERT (Pe32Data != NULL);
- ASSERT (EntryPoint != NULL);
-
- 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.
- //
- Header.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHeader->e_lfanew) & 0x0ffff));
- } else {
- //
- // DOS image header is not present, so PE header is at the image base.
- //
- Header.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;
- }
-
- //
- // Calculate the entry point relative to the start of the image.
- // AddressOfEntryPoint is common for PE32 & PE32+
- //
- *EntryPoint = (VOID *)((UINTN)Pe32Data + (UINTN)(Header.Pe32->OptionalHeader.AddressOfEntryPoint & 0x0ffffffff));
- return RETURN_SUCCESS;
-}
-
-
-/**
- Returns the machine type of a PE/COFF image.
-
- Returns the machine type from the PE/COFF image specified by Pe32Data.
- If Pe32Data is NULL, then ASSERT().
-
- @param Pe32Data Pointer to the PE/COFF image that is loaded in system
- memory.
-
- @return Machine type or zero if not a valid iamge.
-
-**/
-UINT16
-EFIAPI
-PeCoffLoaderGetMachineType (
- IN VOID *Pe32Data
- )
-{
- EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
- EFI_IMAGE_DOS_HEADER *DosHdr;
-
- DosHdr = (EFI_IMAGE_DOS_HEADER *)Pe32Data;
- if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {
- Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN)Pe32Data + DosHdr->e_lfanew);
- } else {
- Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN)Pe32Data);
- }
-
- if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {
- return Hdr.Pe32->FileHeader.Machine;
- }
-
- return 0x0000;
-}
-
-/**
- Returns a pointer to the PDB file name for a PE/COFF image that has been
- loaded into system memory with the PE/COFF Loader Library functions.
-
- Returns the PDB file name for the PE/COFF image specified by Pe32Data. If
- the PE/COFF image specified by Pe32Data is not a valid, then NULL is
- returned. If the PE/COFF image specified by Pe32Data does not contain a
- debug directory entry, then NULL is returned. If the debug directory entry
- in the PE/COFF image specified by Pe32Data does not contain a PDB file name,
- then NULL is returned.
- If Pe32Data is NULL, then ASSERT().
-
- @param Pe32Data Pointer to the PE/COFF image that is loaded in system
- memory.
-
- @return The PDB file name for the PE/COFF image specified by Pe32Data or NULL
- if it cannot be retrieved.
-
-**/
-VOID *
-EFIAPI
-PeCoffLoaderGetPdbPointer (
- IN VOID *Pe32Data
- )
-{
- EFI_IMAGE_DOS_HEADER *DosHeader;
- EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
- EFI_IMAGE_DATA_DIRECTORY *DirectoryEntry;
- EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *DebugEntry;
- UINTN DirCount;
- VOID *CodeViewEntryPointer;
- INTN TEImageAdjust;
- UINT32 NumberOfRvaAndSizes;
- UINT16 Magic;
-
- ASSERT (Pe32Data != NULL);
-
- TEImageAdjust = 0;
- DirectoryEntry = NULL;
- DebugEntry = NULL;
- NumberOfRvaAndSizes = 0;
-
- 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.
- //
- Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHeader->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) {
- if (Hdr.Te->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress != 0) {
- DirectoryEntry = &Hdr.Te->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG];
- TEImageAdjust = sizeof (EFI_TE_IMAGE_HEADER) - Hdr.Te->StrippedSize;
- DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *)((UINTN) Hdr.Te +
- Hdr.Te->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress +
- TEImageAdjust);
- }
- } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {
- //
- // NOTE: We use Machine field to identify PE32/PE32+, instead of Magic.
- // It is due to backward-compatibility, for some system might
- // generate PE32+ image with PE32 Magic.
- //
- switch (Hdr.Pe32->FileHeader.Machine) {
- case EFI_IMAGE_MACHINE_IA32:
- //
- // Assume PE32 image with IA32 Machine field.
- //
- Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;
- break;
- case EFI_IMAGE_MACHINE_X64:
- case EFI_IMAGE_MACHINE_IPF:
- //
- // Assume PE32+ image with X64 or IPF Machine field
- //
- Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
- break;
- default:
- //
- // For unknow Machine field, use Magic in optional Header
- //
- Magic = Hdr.Pe32->OptionalHeader.Magic;
- }
-
- if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
- //
- // Use PE32 offset get Debug Directory Entry
- //
- NumberOfRvaAndSizes = Hdr.Pe32->OptionalHeader.NumberOfRvaAndSizes;
- DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);
- DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);
- } else if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
- //
- // Use PE32+ offset get Debug Directory Entry
- //
- NumberOfRvaAndSizes = Hdr.Pe32Plus->OptionalHeader.NumberOfRvaAndSizes;
- DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);
- DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);
- }
-
- if (NumberOfRvaAndSizes <= EFI_IMAGE_DIRECTORY_ENTRY_DEBUG) {
- DirectoryEntry = NULL;
- DebugEntry = NULL;
- }
- } else {
- return NULL;
- }
-
- if (DebugEntry == NULL || DirectoryEntry == NULL) {
- return NULL;
- }
-
- for (DirCount = 0; DirCount < DirectoryEntry->Size; DirCount++, DebugEntry++) {
- if (DebugEntry->Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {
- if (DebugEntry->SizeOfData > 0) {
- CodeViewEntryPointer = (VOID *) ((UINTN) DebugEntry->RVA + ((UINTN)Pe32Data) + (UINTN)TEImageAdjust);
- switch (* (UINT32 *) CodeViewEntryPointer) {
- case CODEVIEW_SIGNATURE_NB10:
- return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY));
- case CODEVIEW_SIGNATURE_RSDS:
- return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY));
- default:
- break;
- }
- }
- }
- }
-
- return NULL;
-}
-
-
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