diff options
Diffstat (limited to 'OldMdePkg/Library/BasePeCoffLib/Ipf/PeCoffLoaderEx.c')
| -rw-r--r-- | OldMdePkg/Library/BasePeCoffLib/Ipf/PeCoffLoaderEx.c | 424 |
1 files changed, 0 insertions, 424 deletions
diff --git a/OldMdePkg/Library/BasePeCoffLib/Ipf/PeCoffLoaderEx.c b/OldMdePkg/Library/BasePeCoffLib/Ipf/PeCoffLoaderEx.c deleted file mode 100644 index 065aec42ac..0000000000 --- a/OldMdePkg/Library/BasePeCoffLib/Ipf/PeCoffLoaderEx.c +++ /dev/null @@ -1,424 +0,0 @@ -/** @file
- Fixes Intel Itanium(TM) specific relocation types.
-
- Copyright (c) 2006, Intel Corporation
- 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
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
- Module Name: PeCoffLoaderEx.c
-
-**/
-
-#include "BasePeCoffLibInternals.h"
-
-
-
-#define EXT_IMM64(Value, Address, Size, InstPos, ValPos) \
- Value |= (((UINT64)((*(Address) >> InstPos) & (((UINT64)1 << Size) - 1))) << ValPos)
-
-#define INS_IMM64(Value, Address, Size, InstPos, ValPos) \
- *(UINT32*)Address = (*(UINT32*)Address & ~(((1 << Size) - 1) << InstPos)) | \
- ((UINT32)((((UINT64)Value >> ValPos) & (((UINT64)1 << Size) - 1))) << InstPos)
-
-#define IMM64_IMM7B_INST_WORD_X 3
-#define IMM64_IMM7B_SIZE_X 7
-#define IMM64_IMM7B_INST_WORD_POS_X 4
-#define IMM64_IMM7B_VAL_POS_X 0
-
-#define IMM64_IMM9D_INST_WORD_X 3
-#define IMM64_IMM9D_SIZE_X 9
-#define IMM64_IMM9D_INST_WORD_POS_X 18
-#define IMM64_IMM9D_VAL_POS_X 7
-
-#define IMM64_IMM5C_INST_WORD_X 3
-#define IMM64_IMM5C_SIZE_X 5
-#define IMM64_IMM5C_INST_WORD_POS_X 13
-#define IMM64_IMM5C_VAL_POS_X 16
-
-#define IMM64_IC_INST_WORD_X 3
-#define IMM64_IC_SIZE_X 1
-#define IMM64_IC_INST_WORD_POS_X 12
-#define IMM64_IC_VAL_POS_X 21
-
-#define IMM64_IMM41a_INST_WORD_X 1
-#define IMM64_IMM41a_SIZE_X 10
-#define IMM64_IMM41a_INST_WORD_POS_X 14
-#define IMM64_IMM41a_VAL_POS_X 22
-
-#define IMM64_IMM41b_INST_WORD_X 1
-#define IMM64_IMM41b_SIZE_X 8
-#define IMM64_IMM41b_INST_WORD_POS_X 24
-#define IMM64_IMM41b_VAL_POS_X 32
-
-#define IMM64_IMM41c_INST_WORD_X 2
-#define IMM64_IMM41c_SIZE_X 23
-#define IMM64_IMM41c_INST_WORD_POS_X 0
-#define IMM64_IMM41c_VAL_POS_X 40
-
-#define IMM64_SIGN_INST_WORD_X 3
-#define IMM64_SIGN_SIZE_X 1
-#define IMM64_SIGN_INST_WORD_POS_X 27
-#define IMM64_SIGN_VAL_POS_X 63
-
-/**
- Performs an Itanium-based specific relocation fixup.
-
- @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
-PeCoffLoaderRelocateImageEx (
- IN UINT16 *Reloc,
- IN OUT CHAR8 *Fixup,
- IN OUT CHAR8 **FixupData,
- IN UINT64 Adjust
- )
-{
- UINT64 *F64;
- UINT64 FixupVal;
-
- switch ((*Reloc) >> 12) {
- case EFI_IMAGE_REL_BASED_IA64_IMM64:
-
- //
- // Align it to bundle address before fixing up the
- // 64-bit immediate value of the movl instruction.
- //
-
- Fixup = (CHAR8 *)((UINTN) Fixup & (UINTN) ~(15));
- FixupVal = (UINT64)0;
-
- //
- // Extract the lower 32 bits of IMM64 from bundle
- //
- EXT_IMM64(FixupVal,
- (UINT32 *)Fixup + IMM64_IMM7B_INST_WORD_X,
- IMM64_IMM7B_SIZE_X,
- IMM64_IMM7B_INST_WORD_POS_X,
- IMM64_IMM7B_VAL_POS_X
- );
-
- EXT_IMM64(FixupVal,
- (UINT32 *)Fixup + IMM64_IMM9D_INST_WORD_X,
- IMM64_IMM9D_SIZE_X,
- IMM64_IMM9D_INST_WORD_POS_X,
- IMM64_IMM9D_VAL_POS_X
- );
-
- EXT_IMM64(FixupVal,
- (UINT32 *)Fixup + IMM64_IMM5C_INST_WORD_X,
- IMM64_IMM5C_SIZE_X,
- IMM64_IMM5C_INST_WORD_POS_X,
- IMM64_IMM5C_VAL_POS_X
- );
-
- EXT_IMM64(FixupVal,
- (UINT32 *)Fixup + IMM64_IC_INST_WORD_X,
- IMM64_IC_SIZE_X,
- IMM64_IC_INST_WORD_POS_X,
- IMM64_IC_VAL_POS_X
- );
-
- EXT_IMM64(FixupVal,
- (UINT32 *)Fixup + IMM64_IMM41a_INST_WORD_X,
- IMM64_IMM41a_SIZE_X,
- IMM64_IMM41a_INST_WORD_POS_X,
- IMM64_IMM41a_VAL_POS_X
- );
-
- //
- // Update 64-bit address
- //
- FixupVal += Adjust;
-
- //
- // Insert IMM64 into bundle
- //
- INS_IMM64(FixupVal,
- ((UINT32 *)Fixup + IMM64_IMM7B_INST_WORD_X),
- IMM64_IMM7B_SIZE_X,
- IMM64_IMM7B_INST_WORD_POS_X,
- IMM64_IMM7B_VAL_POS_X
- );
-
- INS_IMM64(FixupVal,
- ((UINT32 *)Fixup + IMM64_IMM9D_INST_WORD_X),
- IMM64_IMM9D_SIZE_X,
- IMM64_IMM9D_INST_WORD_POS_X,
- IMM64_IMM9D_VAL_POS_X
- );
-
- INS_IMM64(FixupVal,
- ((UINT32 *)Fixup + IMM64_IMM5C_INST_WORD_X),
- IMM64_IMM5C_SIZE_X,
- IMM64_IMM5C_INST_WORD_POS_X,
- IMM64_IMM5C_VAL_POS_X
- );
-
- INS_IMM64(FixupVal,
- ((UINT32 *)Fixup + IMM64_IC_INST_WORD_X),
- IMM64_IC_SIZE_X,
- IMM64_IC_INST_WORD_POS_X,
- IMM64_IC_VAL_POS_X
- );
-
- INS_IMM64(FixupVal,
- ((UINT32 *)Fixup + IMM64_IMM41a_INST_WORD_X),
- IMM64_IMM41a_SIZE_X,
- IMM64_IMM41a_INST_WORD_POS_X,
- IMM64_IMM41a_VAL_POS_X
- );
-
- INS_IMM64(FixupVal,
- ((UINT32 *)Fixup + IMM64_IMM41b_INST_WORD_X),
- IMM64_IMM41b_SIZE_X,
- IMM64_IMM41b_INST_WORD_POS_X,
- IMM64_IMM41b_VAL_POS_X
- );
-
- INS_IMM64(FixupVal,
- ((UINT32 *)Fixup + IMM64_IMM41c_INST_WORD_X),
- IMM64_IMM41c_SIZE_X,
- IMM64_IMM41c_INST_WORD_POS_X,
- IMM64_IMM41c_VAL_POS_X
- );
-
- INS_IMM64(FixupVal,
- ((UINT32 *)Fixup + IMM64_SIGN_INST_WORD_X),
- IMM64_SIGN_SIZE_X,
- IMM64_SIGN_INST_WORD_POS_X,
- IMM64_SIGN_VAL_POS_X
- );
-
- F64 = (UINT64 *) Fixup;
- if (*FixupData != NULL) {
- *FixupData = ALIGN_POINTER(*FixupData, sizeof(UINT64));
- *(UINT64 *)(*FixupData) = *F64;
- *FixupData = *FixupData + sizeof(UINT64);
- }
- break;
-
- default:
- return RETURN_UNSUPPORTED;
- }
-
- return RETURN_SUCCESS;
-}
-
-/**
- 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. This version also supports the special relocations
- for Itanium.
-
- @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_IPF) || (Machine == EFI_IMAGE_MACHINE_IA32) ||
- (Machine == EFI_IMAGE_MACHINE_EBC) || (Machine == EFI_IMAGE_MACHINE_X64)) {
- return TRUE;
- }
-
- return FALSE;
-}
-
-
-/**
- ImageRead function that operates on a memory buffer whos base is passed into
- FileHandle.
-
- @param Reloc Ponter to baes of the input stream
- @param Fixup Offset to the start of the buffer
- @param FixupData Number of bytes to copy into the buffer
- @param Adjust Location to place results of read
-
- @retval RETURN_SUCCESS Data is read from FileOffset from the Handle into
- the buffer.
-**/
-RETURN_STATUS
-PeHotRelocateImageEx (
- IN UINT16 *Reloc,
- IN OUT CHAR8 *Fixup,
- IN OUT CHAR8 **FixupData,
- IN UINT64 Adjust
- )
-{
- UINT64 *F64;
- UINT64 FixupVal;
-
- switch ((*Reloc) >> 12) {
- case EFI_IMAGE_REL_BASED_DIR64:
- F64 = (UINT64 *) Fixup;
- *FixupData = ALIGN_POINTER (*FixupData, sizeof (UINT64));
- if (*(UINT64 *) (*FixupData) == *F64) {
- *F64 = *F64 + (UINT64) Adjust;
- }
-
- *FixupData = *FixupData + sizeof (UINT64);
- break;
-
- case EFI_IMAGE_REL_BASED_IA64_IMM64:
- F64 = (UINT64 *) Fixup;
- *FixupData = ALIGN_POINTER (*FixupData, sizeof (UINT64));
- if (*(UINT64 *) (*FixupData) == *F64) {
- //
- // Align it to bundle address before fixing up the
- // 64-bit immediate value of the movl instruction.
- //
- //
- Fixup = (CHAR8 *) ((UINT64) Fixup & (UINT64)~(15));
- FixupVal = (UINT64) 0;
-
- //
- // Extract the lower 32 bits of IMM64 from bundle
- //
- EXT_IMM64 (
- FixupVal,
- (UINT32 *) Fixup + IMM64_IMM7B_INST_WORD_X,
- IMM64_IMM7B_SIZE_X,
- IMM64_IMM7B_INST_WORD_POS_X,
- IMM64_IMM7B_VAL_POS_X
- );
-
- EXT_IMM64 (
- FixupVal,
- (UINT32 *) Fixup + IMM64_IMM9D_INST_WORD_X,
- IMM64_IMM9D_SIZE_X,
- IMM64_IMM9D_INST_WORD_POS_X,
- IMM64_IMM9D_VAL_POS_X
- );
-
- EXT_IMM64 (
- FixupVal,
- (UINT32 *) Fixup + IMM64_IMM5C_INST_WORD_X,
- IMM64_IMM5C_SIZE_X,
- IMM64_IMM5C_INST_WORD_POS_X,
- IMM64_IMM5C_VAL_POS_X
- );
-
- EXT_IMM64 (
- FixupVal,
- (UINT32 *) Fixup + IMM64_IC_INST_WORD_X,
- IMM64_IC_SIZE_X,
- IMM64_IC_INST_WORD_POS_X,
- IMM64_IC_VAL_POS_X
- );
-
- EXT_IMM64 (
- FixupVal,
- (UINT32 *) Fixup + IMM64_IMM41a_INST_WORD_X,
- IMM64_IMM41a_SIZE_X,
- IMM64_IMM41a_INST_WORD_POS_X,
- IMM64_IMM41a_VAL_POS_X
- );
-
- //
- // Update 64-bit address
- //
- FixupVal += Adjust;
-
- //
- // Insert IMM64 into bundle
- //
- INS_IMM64 (
- FixupVal,
- ((UINT32 *) Fixup + IMM64_IMM7B_INST_WORD_X),
- IMM64_IMM7B_SIZE_X,
- IMM64_IMM7B_INST_WORD_POS_X,
- IMM64_IMM7B_VAL_POS_X
- );
-
- INS_IMM64 (
- FixupVal,
- ((UINT32 *) Fixup + IMM64_IMM9D_INST_WORD_X),
- IMM64_IMM9D_SIZE_X,
- IMM64_IMM9D_INST_WORD_POS_X,
- IMM64_IMM9D_VAL_POS_X
- );
-
- INS_IMM64 (
- FixupVal,
- ((UINT32 *) Fixup + IMM64_IMM5C_INST_WORD_X),
- IMM64_IMM5C_SIZE_X,
- IMM64_IMM5C_INST_WORD_POS_X,
- IMM64_IMM5C_VAL_POS_X
- );
-
- INS_IMM64 (
- FixupVal,
- ((UINT32 *) Fixup + IMM64_IC_INST_WORD_X),
- IMM64_IC_SIZE_X,
- IMM64_IC_INST_WORD_POS_X,
- IMM64_IC_VAL_POS_X
- );
-
- INS_IMM64 (
- FixupVal,
- ((UINT32 *) Fixup + IMM64_IMM41a_INST_WORD_X),
- IMM64_IMM41a_SIZE_X,
- IMM64_IMM41a_INST_WORD_POS_X,
- IMM64_IMM41a_VAL_POS_X
- );
-
- INS_IMM64 (
- FixupVal,
- ((UINT32 *) Fixup + IMM64_IMM41b_INST_WORD_X),
- IMM64_IMM41b_SIZE_X,
- IMM64_IMM41b_INST_WORD_POS_X,
- IMM64_IMM41b_VAL_POS_X
- );
-
- INS_IMM64 (
- FixupVal,
- ((UINT32 *) Fixup + IMM64_IMM41c_INST_WORD_X),
- IMM64_IMM41c_SIZE_X,
- IMM64_IMM41c_INST_WORD_POS_X,
- IMM64_IMM41c_VAL_POS_X
- );
-
- INS_IMM64 (
- FixupVal,
- ((UINT32 *) Fixup + IMM64_SIGN_INST_WORD_X),
- IMM64_SIGN_SIZE_X,
- IMM64_SIGN_INST_WORD_POS_X,
- IMM64_SIGN_VAL_POS_X
- );
-
- *(UINT64 *) (*FixupData) = *F64;
- }
-
- *FixupData = *FixupData + sizeof (UINT64);
- break;
-
- default:
- DEBUG ((EFI_D_ERROR, "PeHotRelocateEx:unknown fixed type\n"));
- return RETURN_UNSUPPORTED;
- }
-
- return RETURN_SUCCESS;
-}
-
-
-
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