diff options
Diffstat (limited to 'Nt32Pkg/Library')
| -rw-r--r-- | Nt32Pkg/Library/Nt32PeiPeCoffGetEntryPointLib/PeCoffGetEntryPoint.c | 550 |
1 files changed, 275 insertions, 275 deletions
diff --git a/Nt32Pkg/Library/Nt32PeiPeCoffGetEntryPointLib/PeCoffGetEntryPoint.c b/Nt32Pkg/Library/Nt32PeiPeCoffGetEntryPointLib/PeCoffGetEntryPoint.c index 5f89570e39..648c2a08ea 100644 --- a/Nt32Pkg/Library/Nt32PeiPeCoffGetEntryPointLib/PeCoffGetEntryPoint.c +++ b/Nt32Pkg/Library/Nt32PeiPeCoffGetEntryPointLib/PeCoffGetEntryPoint.c @@ -1,275 +1,275 @@ -/**@file - -Copyright (c) 2006 - 2007, Intel Corporation -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 - -Abstract: - - Tiano PE/COFF loader - -Revision History - -**/ - -#include <PiPei.h> -#include <IndustryStandard/PeImage.h> -#include <WinNtPeim.h> -#include <Ppi/NtPeiLoadFile.h> -#include <Library/PeCoffGetEntryPointLib.h> -#include <Library/PeiServicesLib.h> -#include <Library/DebugLib.h> - - -RETURN_STATUS -EFIAPI -PeCoffLoaderGetEntryPoint ( - IN VOID *Pe32Data, - IN OUT VOID **EntryPoint - ) -/*++ - -Routine Description: - - Loads a PE/COFF image into memory, this is not follow the original purpose of - PeCoffGetEntryPoint library class. But it's ok that Unix package not run on a real - platform and this is for source level debug. - -Arguments: - - Pe32Data - Pointer to a PE/COFF Image - - EntryPoint - Pointer to the entry point of the PE/COFF image - -Returns: - - EFI_SUCCESS if the EntryPoint was returned - EFI_INVALID_PARAMETER if the EntryPoint could not be found from Pe32Data - ---*/ -{ - EFI_STATUS Status; - EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor; - NT_PEI_LOAD_FILE_PPI *PeiNtService; - EFI_PHYSICAL_ADDRESS ImageAddress; - UINT64 ImageSize; - EFI_PHYSICAL_ADDRESS ImageEntryPoint; - - ASSERT (Pe32Data != NULL); - ASSERT (EntryPoint != NULL); - - Status = PeiServicesLocatePpi ( - &gNtPeiLoadFilePpiGuid, - 0, - &PpiDescriptor, - (VOID**)&PeiNtService - ); - ASSERT_EFI_ERROR (Status); - - Status = PeiNtService->PeiLoadFileService ( - Pe32Data, - &ImageAddress, - &ImageSize, - &ImageEntryPoint - ); - if (EFI_ERROR (Status)) { - return Status; - } - - *EntryPoint = (VOID*)(UINTN)ImageEntryPoint; - return Status; -} - -/** - Returns the machine type of PE/COFF image. - This is copied from MDE BasePeCoffGetEntryPointLib, the code should be sync with it. - The reason is NT32 package needs to load the image to memory to support source - level debug. - - - @param Pe32Data Pointer to a PE/COFF header - - @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; - - ASSERT (Pe32Data != NULL); - - 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) { - return Hdr.Te->Machine; - } else 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 *DosHdr; - 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; - - 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) { - 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 IMAGE_FILE_MACHINE_I386: - // - // Assume PE32 image with IA32 Machine field. - // - Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC; - break; - case IMAGE_FILE_MACHINE_X64: - case IMAGE_FILE_MACHINE_IA64: - // - // Assume PE32+ image with X64 or IA64 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 (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 += sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY), 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)); - case CODEVIEW_SIGNATURE_MTOC: - return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY)); - break; - default: - break; - } - } - } - } - - return NULL; -} +/**@file
+
+Copyright (c) 2006 - 2007, Intel Corporation
+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
+
+Abstract:
+
+ Tiano PE/COFF loader
+
+Revision History
+
+**/
+
+#include <PiPei.h>
+#include <IndustryStandard/PeImage.h>
+#include <WinNtPeim.h>
+#include <Ppi/NtPeiLoadFile.h>
+#include <Library/PeCoffGetEntryPointLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/DebugLib.h>
+
+
+RETURN_STATUS
+EFIAPI
+PeCoffLoaderGetEntryPoint (
+ IN VOID *Pe32Data,
+ IN OUT VOID **EntryPoint
+ )
+/*++
+
+Routine Description:
+
+ Loads a PE/COFF image into memory, this is not follow the original purpose of
+ PeCoffGetEntryPoint library class. But it's ok that Unix package not run on a real
+ platform and this is for source level debug.
+
+Arguments:
+
+ Pe32Data - Pointer to a PE/COFF Image
+
+ EntryPoint - Pointer to the entry point of the PE/COFF image
+
+Returns:
+
+ EFI_SUCCESS if the EntryPoint was returned
+ EFI_INVALID_PARAMETER if the EntryPoint could not be found from Pe32Data
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
+ NT_PEI_LOAD_FILE_PPI *PeiNtService;
+ EFI_PHYSICAL_ADDRESS ImageAddress;
+ UINT64 ImageSize;
+ EFI_PHYSICAL_ADDRESS ImageEntryPoint;
+
+ ASSERT (Pe32Data != NULL);
+ ASSERT (EntryPoint != NULL);
+
+ Status = PeiServicesLocatePpi (
+ &gNtPeiLoadFilePpiGuid,
+ 0,
+ &PpiDescriptor,
+ (VOID**)&PeiNtService
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = PeiNtService->PeiLoadFileService (
+ Pe32Data,
+ &ImageAddress,
+ &ImageSize,
+ &ImageEntryPoint
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ *EntryPoint = (VOID*)(UINTN)ImageEntryPoint;
+ return Status;
+}
+
+/**
+ Returns the machine type of PE/COFF image.
+ This is copied from MDE BasePeCoffGetEntryPointLib, the code should be sync with it.
+ The reason is NT32 package needs to load the image to memory to support source
+ level debug.
+
+
+ @param Pe32Data Pointer to a PE/COFF header
+
+ @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;
+
+ ASSERT (Pe32Data != NULL);
+
+ 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) {
+ return Hdr.Te->Machine;
+ } else 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 *DosHdr;
+ 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;
+
+ 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) {
+ 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 IMAGE_FILE_MACHINE_I386:
+ //
+ // Assume PE32 image with IA32 Machine field.
+ //
+ Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;
+ break;
+ case IMAGE_FILE_MACHINE_X64:
+ case IMAGE_FILE_MACHINE_IA64:
+ //
+ // Assume PE32+ image with X64 or IA64 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 (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 += sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY), 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));
+ case CODEVIEW_SIGNATURE_MTOC:
+ return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY));
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+
+ return NULL;
+}
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