+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2004, Intel Corporation \r
-All rights reserved. This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-Module Name:\r
-\r
- PeCoffLoaderEx.c\r
-\r
-Abstract:\r
-\r
- Fixes Intel Itanium(TM) specific relocation types\r
-\r
-\r
-Revision History\r
-\r
---*/\r
-\r
-#include <Common/UefiBaseTypes.h>\r
-#include <Common/EfiImage.h>\r
-#include <Library/PeCoffLib.h>\r
-\r
-\r
-\r
-\r
-\r
-#define EXT_IMM64(Value, Address, Size, InstPos, ValPos) \\r
- Value |= (((UINT64)((*(Address) >> InstPos) & (((UINT64)1 << Size) - 1))) << ValPos)\r
-\r
-#define INS_IMM64(Value, Address, Size, InstPos, ValPos) \\r
- *(UINT32*)Address = (*(UINT32*)Address & ~(((1 << Size) - 1) << InstPos)) | \\r
- ((UINT32)((((UINT64)Value >> ValPos) & (((UINT64)1 << Size) - 1))) << InstPos)\r
-\r
-#define IMM64_IMM7B_INST_WORD_X 3 \r
-#define IMM64_IMM7B_SIZE_X 7 \r
-#define IMM64_IMM7B_INST_WORD_POS_X 4 \r
-#define IMM64_IMM7B_VAL_POS_X 0 \r
-\r
-#define IMM64_IMM9D_INST_WORD_X 3 \r
-#define IMM64_IMM9D_SIZE_X 9 \r
-#define IMM64_IMM9D_INST_WORD_POS_X 18 \r
-#define IMM64_IMM9D_VAL_POS_X 7 \r
-\r
-#define IMM64_IMM5C_INST_WORD_X 3 \r
-#define IMM64_IMM5C_SIZE_X 5 \r
-#define IMM64_IMM5C_INST_WORD_POS_X 13 \r
-#define IMM64_IMM5C_VAL_POS_X 16 \r
-\r
-#define IMM64_IC_INST_WORD_X 3 \r
-#define IMM64_IC_SIZE_X 1 \r
-#define IMM64_IC_INST_WORD_POS_X 12 \r
-#define IMM64_IC_VAL_POS_X 21 \r
-\r
-#define IMM64_IMM41a_INST_WORD_X 1 \r
-#define IMM64_IMM41a_SIZE_X 10 \r
-#define IMM64_IMM41a_INST_WORD_POS_X 14 \r
-#define IMM64_IMM41a_VAL_POS_X 22 \r
-\r
-#define IMM64_IMM41b_INST_WORD_X 1 \r
-#define IMM64_IMM41b_SIZE_X 8 \r
-#define IMM64_IMM41b_INST_WORD_POS_X 24 \r
-#define IMM64_IMM41b_VAL_POS_X 32 \r
-\r
-#define IMM64_IMM41c_INST_WORD_X 2 \r
-#define IMM64_IMM41c_SIZE_X 23 \r
-#define IMM64_IMM41c_INST_WORD_POS_X 0 \r
-#define IMM64_IMM41c_VAL_POS_X 40 \r
-\r
-#define IMM64_SIGN_INST_WORD_X 3 \r
-#define IMM64_SIGN_SIZE_X 1 \r
-#define IMM64_SIGN_INST_WORD_POS_X 27 \r
-#define IMM64_SIGN_VAL_POS_X 63 \r
-\r
-RETURN_STATUS\r
-PeCoffLoaderRelocateImageEx (\r
- IN UINT16 *Reloc,\r
- IN OUT CHAR8 *Fixup, \r
- IN OUT CHAR8 **FixupData,\r
- IN UINT64 Adjust\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Performs an Itanium-based specific relocation fixup\r
-\r
-Arguments:\r
-\r
- Reloc - Pointer to the relocation record\r
-\r
- Fixup - Pointer to the address to fix up\r
-\r
- FixupData - Pointer to a buffer to log the fixups\r
-\r
- Adjust - The offset to adjust the fixup\r
-\r
-Returns:\r
-\r
- Status code\r
-\r
---*/\r
-{\r
- UINT64 *F64;\r
- UINT64 FixupVal;\r
-\r
- switch ((*Reloc) >> 12) {\r
-\r
- case EFI_IMAGE_REL_BASED_DIR64:\r
- F64 = (UINT64 *) Fixup;\r
- *F64 = *F64 + (UINT64) Adjust;\r
- if (*FixupData != NULL) {\r
- *FixupData = ALIGN_POINTER(*FixupData, sizeof(UINT64));\r
- *(UINT64 *)(*FixupData) = *F64;\r
- *FixupData = *FixupData + sizeof(UINT64);\r
- }\r
- break;\r
-\r
- case EFI_IMAGE_REL_BASED_IA64_IMM64:\r
-\r
- //\r
- // Align it to bundle address before fixing up the\r
- // 64-bit immediate value of the movl instruction.\r
- //\r
-\r
- Fixup = (CHAR8 *)((UINTN) Fixup & (UINTN) ~(15));\r
- FixupVal = (UINT64)0;\r
- \r
- // \r
- // Extract the lower 32 bits of IMM64 from bundle\r
- //\r
- EXT_IMM64(FixupVal,\r
- (UINT32 *)Fixup + IMM64_IMM7B_INST_WORD_X,\r
- IMM64_IMM7B_SIZE_X,\r
- IMM64_IMM7B_INST_WORD_POS_X,\r
- IMM64_IMM7B_VAL_POS_X\r
- );\r
-\r
- EXT_IMM64(FixupVal,\r
- (UINT32 *)Fixup + IMM64_IMM9D_INST_WORD_X,\r
- IMM64_IMM9D_SIZE_X,\r
- IMM64_IMM9D_INST_WORD_POS_X,\r
- IMM64_IMM9D_VAL_POS_X\r
- );\r
-\r
- EXT_IMM64(FixupVal,\r
- (UINT32 *)Fixup + IMM64_IMM5C_INST_WORD_X,\r
- IMM64_IMM5C_SIZE_X,\r
- IMM64_IMM5C_INST_WORD_POS_X,\r
- IMM64_IMM5C_VAL_POS_X\r
- );\r
-\r
- EXT_IMM64(FixupVal,\r
- (UINT32 *)Fixup + IMM64_IC_INST_WORD_X,\r
- IMM64_IC_SIZE_X,\r
- IMM64_IC_INST_WORD_POS_X,\r
- IMM64_IC_VAL_POS_X\r
- );\r
-\r
- EXT_IMM64(FixupVal,\r
- (UINT32 *)Fixup + IMM64_IMM41a_INST_WORD_X,\r
- IMM64_IMM41a_SIZE_X,\r
- IMM64_IMM41a_INST_WORD_POS_X,\r
- IMM64_IMM41a_VAL_POS_X\r
- );\r
- \r
- // \r
- // Update 64-bit address\r
- //\r
- FixupVal += Adjust;\r
-\r
- // \r
- // Insert IMM64 into bundle\r
- //\r
- INS_IMM64(FixupVal,\r
- ((UINT32 *)Fixup + IMM64_IMM7B_INST_WORD_X),\r
- IMM64_IMM7B_SIZE_X,\r
- IMM64_IMM7B_INST_WORD_POS_X,\r
- IMM64_IMM7B_VAL_POS_X\r
- );\r
-\r
- INS_IMM64(FixupVal,\r
- ((UINT32 *)Fixup + IMM64_IMM9D_INST_WORD_X),\r
- IMM64_IMM9D_SIZE_X,\r
- IMM64_IMM9D_INST_WORD_POS_X,\r
- IMM64_IMM9D_VAL_POS_X\r
- );\r
-\r
- INS_IMM64(FixupVal,\r
- ((UINT32 *)Fixup + IMM64_IMM5C_INST_WORD_X),\r
- IMM64_IMM5C_SIZE_X,\r
- IMM64_IMM5C_INST_WORD_POS_X,\r
- IMM64_IMM5C_VAL_POS_X\r
- );\r
-\r
- INS_IMM64(FixupVal,\r
- ((UINT32 *)Fixup + IMM64_IC_INST_WORD_X),\r
- IMM64_IC_SIZE_X,\r
- IMM64_IC_INST_WORD_POS_X,\r
- IMM64_IC_VAL_POS_X\r
- );\r
-\r
- INS_IMM64(FixupVal,\r
- ((UINT32 *)Fixup + IMM64_IMM41a_INST_WORD_X),\r
- IMM64_IMM41a_SIZE_X,\r
- IMM64_IMM41a_INST_WORD_POS_X,\r
- IMM64_IMM41a_VAL_POS_X\r
- );\r
-\r
- INS_IMM64(FixupVal,\r
- ((UINT32 *)Fixup + IMM64_IMM41b_INST_WORD_X),\r
- IMM64_IMM41b_SIZE_X,\r
- IMM64_IMM41b_INST_WORD_POS_X,\r
- IMM64_IMM41b_VAL_POS_X\r
- );\r
-\r
- INS_IMM64(FixupVal,\r
- ((UINT32 *)Fixup + IMM64_IMM41c_INST_WORD_X),\r
- IMM64_IMM41c_SIZE_X,\r
- IMM64_IMM41c_INST_WORD_POS_X,\r
- IMM64_IMM41c_VAL_POS_X\r
- );\r
-\r
- INS_IMM64(FixupVal,\r
- ((UINT32 *)Fixup + IMM64_SIGN_INST_WORD_X),\r
- IMM64_SIGN_SIZE_X,\r
- IMM64_SIGN_INST_WORD_POS_X,\r
- IMM64_SIGN_VAL_POS_X\r
- );\r
-\r
- F64 = (UINT64 *) Fixup;\r
- if (*FixupData != NULL) {\r
- *FixupData = ALIGN_POINTER(*FixupData, sizeof(UINT64));\r
- *(UINT64 *)(*FixupData) = *F64;\r
- *FixupData = *FixupData + sizeof(UINT64);\r
- }\r
- break;\r
-\r
- default:\r
- return RETURN_UNSUPPORTED;\r
- }\r
-\r
- return RETURN_SUCCESS;\r
-}\r
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