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1. Add two interfaces in PeCoffGetEntryPointLib.h

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2. Fix the description of EfiTestChildHandle & EfiTestManagedDevice
3. Clean up BasePciLbPciCf8 & BasePciLibPciExpress to remove the dependency on DebugLib

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2387 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8
2007-02-13 11:12:05 +00:00
parent f1ad92e867
commit 0d49d8f681
8 changed files with 224 additions and 62 deletions
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124
MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c
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@@ -1,7 +1,7 @@
/** @file
Tiano PE/COFF loader.
Copyright (c) 2006, Intel Corporation<BR>
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
@@ -69,17 +69,21 @@ PeCoffLoaderGetEntryPoint (
/**
Returns the machine type of PE/COFF image.
Returns the machine type of a PE/COFF image.
@param Image Pointer to a PE/COFF header
Returns the machine type from the PE/COFF image specified by Pe32Data.
If Pe32Data is NULL, then ASSERT().
@return Machine type or zero if not a valid iamge
@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
IN VOID *Pe32Data
)
{
EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
@@ -99,4 +103,114 @@ PeCoffLoaderGetMachineType (
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;
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) {
if (Hdr.Pe32->OptionalHeader.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;
}