diff options
Diffstat (limited to 'BaseTools/Source/C/Common/PeCoffLoaderEx.c')
| -rw-r--r-- | BaseTools/Source/C/Common/PeCoffLoaderEx.c | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/BaseTools/Source/C/Common/PeCoffLoaderEx.c b/BaseTools/Source/C/Common/PeCoffLoaderEx.c deleted file mode 100644 index d04fa7d5ba..0000000000 --- a/BaseTools/Source/C/Common/PeCoffLoaderEx.c +++ /dev/null @@ -1,417 +0,0 @@ -/** @file
-IA32, X64 and IPF Specific relocation fixups
-
-Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
-Portions Copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
-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.
-
---*/
-
-#include <Common/UefiBaseTypes.h>
-#include <IndustryStandard/PeImage.h>
-#include "PeCoffLib.h"
-#include "CommonLib.h"
-#include "EfiUtilityMsgs.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
-
-RETURN_STATUS
-PeCoffLoaderRelocateIa32Image (
- IN UINT16 *Reloc,
- IN OUT CHAR8 *Fixup,
- IN OUT CHAR8 **FixupData,
- IN UINT64 Adjust
- )
-/*++
-
-Routine Description:
-
- Performs an IA-32 specific relocation fixup
-
-Arguments:
-
- Reloc - Pointer to the relocation record
-
- Fixup - Pointer to the address to fix up
-
- FixupData - Pointer to a buffer to log the fixups
-
- Adjust - The offset to adjust the fixup
-
-Returns:
-
- EFI_UNSUPPORTED - Unsupported now
-
---*/
-{
- return RETURN_UNSUPPORTED;
-}
-
-RETURN_STATUS
-PeCoffLoaderRelocateIpfImage (
- IN UINT16 *Reloc,
- IN OUT CHAR8 *Fixup,
- IN OUT CHAR8 **FixupData,
- IN UINT64 Adjust
- )
-/*++
-
-Routine Description:
-
- Performs an Itanium-based specific relocation fixup
-
-Arguments:
-
- Reloc - Pointer to the relocation record
-
- Fixup - Pointer to the address to fix up
-
- FixupData - Pointer to a buffer to log the fixups
-
- Adjust - The offset to adjust the fixup
-
-Returns:
-
- Status code
-
---*/
-{
- 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;
-}
-
-/**
- Pass in a pointer to an ARM MOVT or MOVW immediate instruciton and
- return the immediate data encoded in the instruction
-
- @param Instruction Pointer to ARM MOVT or MOVW immediate instruction
-
- @return Immediate address encoded in the instruction
-
-**/
-UINT16
-ThumbMovtImmediateAddress (
- IN UINT16 *Instruction
- )
-{
- UINT32 Movt;
- UINT16 Address;
-
- // Thumb2 is two 16-bit instructions working together. Not a single 32-bit instruction
- // Example MOVT R0, #0 is 0x0000f2c0 or 0xf2c0 0x0000
- Movt = (*Instruction << 16) | (*(Instruction + 1));
-
- // imm16 = imm4:i:imm3:imm8
- // imm4 -> Bit19:Bit16
- // i -> Bit26
- // imm3 -> Bit14:Bit12
- // imm8 -> Bit7:Bit0
- Address = (UINT16)(Movt & 0x000000ff); // imm8
- Address |= (UINT16)((Movt >> 4) & 0x0000f700); // imm4 imm3
- Address |= (((Movt & BIT26) != 0) ? BIT11 : 0); // i
- return Address;
-}
-
-
-/**
- Update an ARM MOVT or MOVW immediate instruction immediate data.
-
- @param Instruction Pointer to ARM MOVT or MOVW immediate instruction
- @param Address New addres to patch into the instruction
-**/
-VOID
-ThumbMovtImmediatePatch (
- IN OUT UINT16 *Instruction,
- IN UINT16 Address
- )
-{
- UINT16 Patch;
-
- // First 16-bit chunk of instruciton
- Patch = ((Address >> 12) & 0x000f); // imm4
- Patch |= (((Address & BIT11) != 0) ? BIT10 : 0); // i
- *Instruction = (*Instruction & ~0x040f) | Patch;
-
- // Second 16-bit chunk of instruction
- Patch = Address & 0x000000ff; // imm8
- Patch |= ((Address << 4) & 0x00007000); // imm3
- Instruction++;
- *Instruction = (*Instruction & ~0x70ff) | Patch;
-}
-
-/**
- Pass in a pointer to an ARM MOVW/MOVT instruciton pair and
- return the immediate data encoded in the two` instruction
-
- @param Instructions Pointer to ARM MOVW/MOVT insturction pair
-
- @return Immediate address encoded in the instructions
-
-**/
-UINT32
-EFIAPI
-ThumbMovwMovtImmediateAddress (
- IN UINT16 *Instructions
- )
-{
- UINT16 *Word;
- UINT16 *Top;
-
- Word = Instructions; // MOVW
- Top = Word + 2; // MOVT
-
- return (ThumbMovtImmediateAddress (Top) << 16) + ThumbMovtImmediateAddress (Word);
-}
-
-
-/**
- Update an ARM MOVW/MOVT immediate instruction instruction pair.
-
- @param Instructions Pointer to ARM MOVW/MOVT instruction pair
- @param Address New addres to patch into the instructions
-**/
-VOID
-EFIAPI
-ThumbMovwMovtImmediatePatch (
- IN OUT UINT16 *Instructions,
- IN UINT32 Address
- )
-{
- UINT16 *Word;
- UINT16 *Top;
-
- Word = (UINT16 *)Instructions; // MOVW
- Top = Word + 2; // MOVT
-
- ThumbMovtImmediatePatch (Word, (UINT16)(Address & 0xffff));
- ThumbMovtImmediatePatch (Top, (UINT16)(Address >> 16));
-}
-
-
-/**
- Performs an ARM-based specific relocation fixup and is a no-op on other
- instruction sets.
-
- @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
-PeCoffLoaderRelocateArmImage (
- IN UINT16 **Reloc,
- IN OUT CHAR8 *Fixup,
- IN OUT CHAR8 **FixupData,
- IN UINT64 Adjust
- )
-{
- UINT16 *Fixup16;
- UINT32 FixupVal;
-
- Fixup16 = (UINT16 *) Fixup;
-
- switch ((**Reloc) >> 12) {
-
- case EFI_IMAGE_REL_BASED_ARM_MOV32T:
- FixupVal = ThumbMovwMovtImmediateAddress (Fixup16) + (UINT32)Adjust;
- ThumbMovwMovtImmediatePatch (Fixup16, FixupVal);
-
-
- if (*FixupData != NULL) {
- *FixupData = ALIGN_POINTER(*FixupData, sizeof(UINT64));
- CopyMem (*FixupData, Fixup16, sizeof (UINT64));
- *FixupData = *FixupData + sizeof(UINT64);
- }
- break;
-
- case EFI_IMAGE_REL_BASED_ARM_MOV32A:
- // break omitted - ARM instruction encoding not implemented
- default:
- return RETURN_UNSUPPORTED;
- }
-
- return RETURN_SUCCESS;
-}
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