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Fix an issue that some image tool will generate PE32+ image with PE32 magic. We now determine magic based on machine type. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2547 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2007-04-09 01:42:09 +00:00
parent abb234751e
commit 28dec501f4
1 changed files with 28 additions and 1 deletions
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29
MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c
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@ -136,6 +136,7 @@ PeCoffLoaderGetPdbPointer (
VOID *CodeViewEntryPointer;
INTN TEImageAdjust;
UINT32 NumberOfRvaAndSizes;
UINT16 Magic;
ASSERT (Pe32Data != NULL);
@ -166,7 +167,33 @@ PeCoffLoaderGetPdbPointer (
TEImageAdjust);
}
} else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {
if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
//
// 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
//