diff options
Diffstat (limited to 'MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c')
-rw-r--r-- | MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c b/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c index 347ff92511..e013ae27eb 100644 --- a/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c +++ b/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c @@ -280,37 +280,39 @@ PeCoffLoaderGetPdbPointer ( @return Size of PE/COFF header in bytes or zero if not a valid iamge.
**/
-UINT32 -EFIAPI -PeCoffGetSizeOfHeaders ( - IN VOID *Pe32Data - ) -{ - EFI_IMAGE_DOS_HEADER *DosHdr; - EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr; - UINTN SizeOfHeaders; - +UINT32
+EFIAPI
+PeCoffGetSizeOfHeaders (
+ IN VOID *Pe32Data
+ )
+{
+ EFI_IMAGE_DOS_HEADER *DosHdr;
+ EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
+ UINTN SizeOfHeaders;
+
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) { - SizeOfHeaders = sizeof (EFI_TE_IMAGE_HEADER) + (UINTN)Hdr.Te->BaseOfCode - (UINTN)Hdr.Te->StrippedSize; - } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) { - SizeOfHeaders = Hdr.Pe32->OptionalHeader.SizeOfHeaders; - } - - return SizeOfHeaders; +
+ 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) {
+ SizeOfHeaders = sizeof (EFI_TE_IMAGE_HEADER) + (UINTN)Hdr.Te->BaseOfCode - (UINTN)Hdr.Te->StrippedSize;
+ } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {
+ SizeOfHeaders = Hdr.Pe32->OptionalHeader.SizeOfHeaders;
+ } else {
+ SizeOfHeaders = 0;
+ }
+
+ return SizeOfHeaders;
}
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