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Update BaseDebugLibNull to not touch any global variables or PCD settings

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Update BasePeCoffLib to include work around for Itanium ELILO images that do not follow the PE/COFF spec

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2083 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney
2006-12-12 05:26:13 +00:00
parent 86f3fef093
commit 513b53b139
2 changed files with 57 additions and 58 deletions
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63
MdePkg/Library/BasePeCoffLib/BasePeCoff.c
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@@ -78,6 +78,35 @@ PeCoffLoaderImageFormatSupported (
);
/**
Retrieves the magic value from the PE/COFF header.
@param Hdr The buffer in which to return the PE32, PE32+, or TE header.
@return EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC - Image is PE32
@return EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC - Image is PE32+
**/
UINT16
PeCoffLoaderGetPeHeaderMagicValue (
IN EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr
)
{
//
// NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value
// in the PE/COFF Header. If the MachineType is Itanium(IA64) and the
// Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC
// then override the returned value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC
//
if (Hdr.Pe32->FileHeader.Machine == EFI_IMAGE_MACHINE_IA64 && Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
return EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
}
//
// Return the magic value from the PC/COFF Optional Header
//
return Hdr.Pe32->OptionalHeader.Magic;
}
/**
Retrieves the PE or TE Header from a PE/COFF or TE image.
@@ -98,6 +127,7 @@ PeCoffLoaderGetPeHeader (
RETURN_STATUS Status;
EFI_IMAGE_DOS_HEADER DosHdr;
UINTN Size;
UINT16 Magic;
//
// Read the DOS image header to check for it's existance
@@ -156,7 +186,9 @@ PeCoffLoaderGetPeHeader (
ImageContext->IsTeImage = FALSE;
ImageContext->Machine = Hdr.Pe32->FileHeader.Machine;
if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
Magic = PeCoffLoaderGetPeHeaderMagicValue (Hdr);
if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
//
// Use PE32 offset
//
@@ -165,7 +197,7 @@ PeCoffLoaderGetPeHeader (
ImageContext->SectionAlignment = Hdr.Pe32->OptionalHeader.SectionAlignment;
ImageContext->SizeOfHeaders = Hdr.Pe32->OptionalHeader.SizeOfHeaders;
} else if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
} else if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
//
// Use PE32+ offset
//
@@ -233,6 +265,7 @@ PeCoffLoaderGetImageInfo (
EFI_IMAGE_SECTION_HEADER SectionHeader;
EFI_IMAGE_DEBUG_DIRECTORY_ENTRY DebugEntry;
UINT32 NumberOfRvaAndSizes;
UINT16 Magic;
if (NULL == ImageContext) {
return RETURN_INVALID_PARAMETER;
@@ -248,11 +281,13 @@ PeCoffLoaderGetImageInfo (
return Status;
}
Magic = PeCoffLoaderGetPeHeaderMagicValue (Hdr);
//
// Retrieve the base address of the image
//
if (!(ImageContext->IsTeImage)) {
if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
//
// Use PE32 offset
//
@@ -297,7 +332,7 @@ PeCoffLoaderGetImageInfo (
}
if (!(ImageContext->IsTeImage)) {
if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
//
// Use PE32 offset
//
@@ -542,6 +577,7 @@ PeCoffLoaderRelocateImage (
CHAR8 *FixupData;
PHYSICAL_ADDRESS BaseAddress;
UINT32 NumberOfRvaAndSizes;
UINT16 Magic;
ASSERT (ImageContext != NULL);
@@ -569,7 +605,10 @@ PeCoffLoaderRelocateImage (
if (!(ImageContext->IsTeImage)) {
Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN)ImageContext->ImageAddress + ImageContext->PeCoffHeaderOffset);
if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
Magic = PeCoffLoaderGetPeHeaderMagicValue (Hdr);
if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
//
// Use PE32 offset
//
@@ -771,6 +810,7 @@ PeCoffLoaderLoadImage (
UINTN Size;
UINT32 TempDebugEntryRva;
UINT32 NumberOfRvaAndSizes;
UINT16 Magic;
ASSERT (ImageContext != NULL);
@@ -958,11 +998,12 @@ PeCoffLoaderLoadImage (
//
// Get image's entry point
//
Magic = PeCoffLoaderGetPeHeaderMagicValue (Hdr);
if (!(ImageContext->IsTeImage)) {
//
// Sizes of AddressOfEntryPoint are different so we need to do this safely
//
if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
//
// Use PE32 offset
//
@@ -996,7 +1037,7 @@ PeCoffLoaderLoadImage (
// the optional header to verify a desired directory entry is there.
//
if (!(ImageContext->IsTeImage)) {
if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
//
// Use PE32 offset
//
@@ -1164,6 +1205,7 @@ PeCoffLoaderRelocateImageForRuntime (
CHAR8 *FixupData;
UINTN Adjust;
RETURN_STATUS Status;
UINT16 Magic;
OldBase = (CHAR8 *)((UINTN)ImageBase);
NewBase = (CHAR8 *)((UINTN)VirtImageBase);
@@ -1192,10 +1234,9 @@ PeCoffLoaderRelocateImageForRuntime (
return ;
}
//
// Get some data from the PE type dependent data
//
if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
Magic = PeCoffLoaderGetPeHeaderMagicValue (Hdr);
if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
//
// Use PE32 offset
//