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path: root/MdePkg/Library/BasePeCoffLib/x64/PeCoffLoaderEx.c
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Diffstat (limited to 'MdePkg/Library/BasePeCoffLib/x64/PeCoffLoaderEx.c')
-rw-r--r--MdePkg/Library/BasePeCoffLib/x64/PeCoffLoaderEx.c69
1 files changed, 52 insertions, 17 deletions
diff --git a/MdePkg/Library/BasePeCoffLib/x64/PeCoffLoaderEx.c b/MdePkg/Library/BasePeCoffLib/x64/PeCoffLoaderEx.c
index db7eead97d..7141adc2ad 100644
--- a/MdePkg/Library/BasePeCoffLib/x64/PeCoffLoaderEx.c
+++ b/MdePkg/Library/BasePeCoffLib/x64/PeCoffLoaderEx.c
@@ -31,23 +31,58 @@ PeCoffLoaderRelocateImageEx (
IN UINT64 Adjust
)
{
- UINT64 *F64;
-
- switch ((*Reloc) >> 12) {
-
- case EFI_IMAGE_REL_BASED_DIR64:
- F64 = (UINT64 *) Fixup;
- *F64 = *F64 + (UINT64) Adjust;
- if (*FixupData != NULL) {
- *FixupData = ALIGN_POINTER(*FixupData, sizeof(UINT64));
- *(UINT64 *)(*FixupData) = *F64;
- *FixupData = *FixupData + sizeof(UINT64);
- }
- break;
-
- default:
- return RETURN_UNSUPPORTED;
+ return RETURN_UNSUPPORTED;
+}
+
+/**
+ Returns TRUE if the machine type of PE/COFF image is supported. Supported
+ does not mean the image can be executed it means the PE/COFF loader supports
+ loading and relocating of the image type. It's up to the caller to support
+ the entry point.
+
+ This function implies the basic PE/COFF loader/relocator supports IA32, EBC,
+ & X64 images. Calling the entry point in a correct mannor is up to the
+ consumer of this library.
+
+ @param Machine Machine type from the PE Header.
+
+ @return TRUE if this PE/COFF loader can load the image
+
+**/
+BOOLEAN
+PeCoffLoaderImageFormatSupported (
+ IN UINT16 Machine
+ )
+{
+ if ((Machine == EFI_IMAGE_MACHINE_IA32) || (Machine == EFI_IMAGE_MACHINE_X64) ||
+ (Machine == EFI_IMAGE_MACHINE_EBC)) {
+ return TRUE;
}
- return RETURN_SUCCESS;
+ return FALSE;
+}
+
+
+/**
+ Performs an Itanium-based specific re-relocation fixup and is a no-op on other
+ instruction sets. This is used to re-relocated the image into the EFI virtual
+ space for runtime calls.
+
+ @param Reloc Pointer to the relocation record.
+ @param Fixup Pointer to the address to fix up.
+ @param FixupData Pointer to a buffer to log the fixups.
+ @param Adjust The offset to adjust the fixup.
+
+ @return Status code.
+
+**/
+RETURN_STATUS
+PeHotRelocateImageEx (
+ IN UINT16 *Reloc,
+ IN OUT CHAR8 *Fixup,
+ IN OUT CHAR8 **FixupData,
+ IN UINT64 Adjust
+ )
+{
+ return RETURN_UNSUPPORTED;
}