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-rw-r--r--BaseTools/Source/C/GenFw/Elf64Convert.c1866
1 files changed, 933 insertions, 933 deletions
diff --git a/BaseTools/Source/C/GenFw/Elf64Convert.c b/BaseTools/Source/C/GenFw/Elf64Convert.c
index 713f8f7e47..606c7284f7 100644
--- a/BaseTools/Source/C/GenFw/Elf64Convert.c
+++ b/BaseTools/Source/C/GenFw/Elf64Convert.c
@@ -1,933 +1,933 @@
-/** @file
-
-Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
-Portions copyright (c) 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 "WinNtInclude.h"
-
-#ifndef __GNUC__
-#include <windows.h>
-#include <io.h>
-#endif
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <ctype.h>
-
-#include <Common/UefiBaseTypes.h>
-#include <IndustryStandard/PeImage.h>
-
-#include "PeCoffLib.h"
-#include "EfiUtilityMsgs.h"
-
-#include "GenFw.h"
-#include "ElfConvert.h"
-#include "Elf64Convert.h"
-
-STATIC
-VOID
-ScanSections64 (
- VOID
- );
-
-STATIC
-BOOLEAN
-WriteSections64 (
- SECTION_FILTER_TYPES FilterType
- );
-
-STATIC
-VOID
-WriteRelocations64 (
- VOID
- );
-
-STATIC
-VOID
-WriteDebug64 (
- VOID
- );
-
-STATIC
-VOID
-SetImageSize64 (
- VOID
- );
-
-STATIC
-VOID
-CleanUp64 (
- VOID
- );
-
-//
-// Rename ELF32 strucutres to common names to help when porting to ELF64.
-//
-typedef Elf64_Shdr Elf_Shdr;
-typedef Elf64_Ehdr Elf_Ehdr;
-typedef Elf64_Rel Elf_Rel;
-typedef Elf64_Rela Elf_Rela;
-typedef Elf64_Sym Elf_Sym;
-typedef Elf64_Phdr Elf_Phdr;
-typedef Elf64_Dyn Elf_Dyn;
-#define ELFCLASS ELFCLASS64
-#define ELF_R_TYPE(r) ELF64_R_TYPE(r)
-#define ELF_R_SYM(r) ELF64_R_SYM(r)
-
-//
-// Well known ELF structures.
-//
-STATIC Elf_Ehdr *mEhdr;
-STATIC Elf_Shdr *mShdrBase;
-STATIC Elf_Phdr *mPhdrBase;
-
-//
-// Coff information
-//
-STATIC const UINT32 mCoffAlignment = 0x20;
-
-//
-// PE section alignment.
-//
-STATIC const UINT16 mCoffNbrSections = 5;
-
-//
-// ELF sections to offset in Coff file.
-//
-STATIC UINT32 *mCoffSectionsOffset = NULL;
-
-//
-// Offsets in COFF file
-//
-STATIC UINT32 mNtHdrOffset;
-STATIC UINT32 mTextOffset;
-STATIC UINT32 mDataOffset;
-STATIC UINT32 mHiiRsrcOffset;
-STATIC UINT32 mRelocOffset;
-
-//
-// Initialization Function
-//
-BOOLEAN
-InitializeElf64 (
- UINT8 *FileBuffer,
- ELF_FUNCTION_TABLE *ElfFunctions
- )
-{
- //
- // Initialize data pointer and structures.
- //
- VerboseMsg ("Set EHDR");
- mEhdr = (Elf_Ehdr*) FileBuffer;
-
- //
- // Check the ELF64 specific header information.
- //
- VerboseMsg ("Check ELF64 Header Information");
- if (mEhdr->e_ident[EI_CLASS] != ELFCLASS64) {
- Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFCLASS64");
- return FALSE;
- }
- if (mEhdr->e_ident[EI_DATA] != ELFDATA2LSB) {
- Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFDATA2LSB");
- return FALSE;
- }
- if ((mEhdr->e_type != ET_EXEC) && (mEhdr->e_type != ET_DYN)) {
- Error (NULL, 0, 3000, "Unsupported", "ELF e_type not ET_EXEC or ET_DYN");
- return FALSE;
- }
- if (!((mEhdr->e_machine == EM_X86_64) || (mEhdr->e_machine == EM_AARCH64))) {
- Error (NULL, 0, 3000, "Unsupported", "ELF e_machine not EM_X86_64 or EM_AARCH64");
- return FALSE;
- }
- if (mEhdr->e_version != EV_CURRENT) {
- Error (NULL, 0, 3000, "Unsupported", "ELF e_version (%u) not EV_CURRENT (%d)", (unsigned) mEhdr->e_version, EV_CURRENT);
- return FALSE;
- }
-
- //
- // Update section header pointers
- //
- VerboseMsg ("Update Header Pointers");
- mShdrBase = (Elf_Shdr *)((UINT8 *)mEhdr + mEhdr->e_shoff);
- mPhdrBase = (Elf_Phdr *)((UINT8 *)mEhdr + mEhdr->e_phoff);
-
- //
- // Create COFF Section offset buffer and zero.
- //
- VerboseMsg ("Create COFF Section Offset Buffer");
- mCoffSectionsOffset = (UINT32 *)malloc(mEhdr->e_shnum * sizeof (UINT32));
- memset(mCoffSectionsOffset, 0, mEhdr->e_shnum * sizeof(UINT32));
-
- //
- // Fill in function pointers.
- //
- VerboseMsg ("Fill in Function Pointers");
- ElfFunctions->ScanSections = ScanSections64;
- ElfFunctions->WriteSections = WriteSections64;
- ElfFunctions->WriteRelocations = WriteRelocations64;
- ElfFunctions->WriteDebug = WriteDebug64;
- ElfFunctions->SetImageSize = SetImageSize64;
- ElfFunctions->CleanUp = CleanUp64;
-
- return TRUE;
-}
-
-
-//
-// Header by Index functions
-//
-STATIC
-Elf_Shdr*
-GetShdrByIndex (
- UINT32 Num
- )
-{
- if (Num >= mEhdr->e_shnum)
- return NULL;
- return (Elf_Shdr*)((UINT8*)mShdrBase + Num * mEhdr->e_shentsize);
-}
-
-STATIC
-UINT32
-CoffAlign (
- UINT32 Offset
- )
-{
- return (Offset + mCoffAlignment - 1) & ~(mCoffAlignment - 1);
-}
-
-//
-// filter functions
-//
-STATIC
-BOOLEAN
-IsTextShdr (
- Elf_Shdr *Shdr
- )
-{
- return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == SHF_ALLOC);
-}
-
-STATIC
-BOOLEAN
-IsHiiRsrcShdr (
- Elf_Shdr *Shdr
- )
-{
- Elf_Shdr *Namedr = GetShdrByIndex(mEhdr->e_shstrndx);
-
- return (BOOLEAN) (strcmp((CHAR8*)mEhdr + Namedr->sh_offset + Shdr->sh_name, ELF_HII_SECTION_NAME) == 0);
-}
-
-STATIC
-BOOLEAN
-IsDataShdr (
- Elf_Shdr *Shdr
- )
-{
- if (IsHiiRsrcShdr(Shdr)) {
- return FALSE;
- }
- return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE);
-}
-
-//
-// Elf functions interface implementation
-//
-
-STATIC
-VOID
-ScanSections64 (
- VOID
- )
-{
- UINT32 i;
- EFI_IMAGE_DOS_HEADER *DosHdr;
- EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
- UINT32 CoffEntry;
- UINT32 SectionCount;
- BOOLEAN FoundText;
-
- CoffEntry = 0;
- mCoffOffset = 0;
- mTextOffset = 0;
- FoundText = FALSE;
-
- //
- // Coff file start with a DOS header.
- //
- mCoffOffset = sizeof(EFI_IMAGE_DOS_HEADER) + 0x40;
- mNtHdrOffset = mCoffOffset;
- switch (mEhdr->e_machine) {
- case EM_X86_64:
- case EM_IA_64:
- case EM_AARCH64:
- mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);
- break;
- default:
- VerboseMsg ("%s unknown e_machine type. Assume X64", (UINTN)mEhdr->e_machine);
- mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);
- break;
- }
-
- mTableOffset = mCoffOffset;
- mCoffOffset += mCoffNbrSections * sizeof(EFI_IMAGE_SECTION_HEADER);
-
- //
- // First text sections.
- //
- mCoffOffset = CoffAlign(mCoffOffset);
- SectionCount = 0;
- for (i = 0; i < mEhdr->e_shnum; i++) {
- Elf_Shdr *shdr = GetShdrByIndex(i);
- if (IsTextShdr(shdr)) {
- if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {
- // the alignment field is valid
- if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {
- // if the section address is aligned we must align PE/COFF
- mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));
- } else if ((shdr->sh_addr % shdr->sh_addralign) != (mCoffOffset % shdr->sh_addralign)) {
- // ARM RVCT tools have behavior outside of the ELF specification to try
- // and make images smaller. If sh_addr is not aligned to sh_addralign
- // then the section needs to preserve sh_addr MOD sh_addralign.
- // Normally doing nothing here works great.
- Error (NULL, 0, 3000, "Invalid", "Unsupported section alignment.");
- }
- }
-
- /* Relocate entry. */
- if ((mEhdr->e_entry >= shdr->sh_addr) &&
- (mEhdr->e_entry < shdr->sh_addr + shdr->sh_size)) {
- CoffEntry = (UINT32) (mCoffOffset + mEhdr->e_entry - shdr->sh_addr);
- }
-
- //
- // Set mTextOffset with the offset of the first '.text' section
- //
- if (!FoundText) {
- mTextOffset = mCoffOffset;
- FoundText = TRUE;
- }
-
- mCoffSectionsOffset[i] = mCoffOffset;
- mCoffOffset += (UINT32) shdr->sh_size;
- SectionCount ++;
- }
- }
-
- if (!FoundText) {
- Error (NULL, 0, 3000, "Invalid", "Did not find any '.text' section.");
- assert (FALSE);
- }
-
- if (mEhdr->e_machine != EM_ARM) {
- mCoffOffset = CoffAlign(mCoffOffset);
- }
-
- if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {
- Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 text section. Source level debug might not work correctly.", mInImageName);
- }
-
- //
- // Then data sections.
- //
- mDataOffset = mCoffOffset;
- SectionCount = 0;
- for (i = 0; i < mEhdr->e_shnum; i++) {
- Elf_Shdr *shdr = GetShdrByIndex(i);
- if (IsDataShdr(shdr)) {
- if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {
- // the alignment field is valid
- if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {
- // if the section address is aligned we must align PE/COFF
- mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));
- } else if ((shdr->sh_addr % shdr->sh_addralign) != (mCoffOffset % shdr->sh_addralign)) {
- // ARM RVCT tools have behavior outside of the ELF specification to try
- // and make images smaller. If sh_addr is not aligned to sh_addralign
- // then the section needs to preserve sh_addr MOD sh_addralign.
- // Normally doing nothing here works great.
- Error (NULL, 0, 3000, "Invalid", "Unsupported section alignment.");
- }
- }
- mCoffSectionsOffset[i] = mCoffOffset;
- mCoffOffset += (UINT32) shdr->sh_size;
- SectionCount ++;
- }
- }
- mCoffOffset = CoffAlign(mCoffOffset);
-
- if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {
- Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 data section. Source level debug might not work correctly.", mInImageName);
- }
-
- //
- // The HII resource sections.
- //
- mHiiRsrcOffset = mCoffOffset;
- for (i = 0; i < mEhdr->e_shnum; i++) {
- Elf_Shdr *shdr = GetShdrByIndex(i);
- if (IsHiiRsrcShdr(shdr)) {
- if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {
- // the alignment field is valid
- if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {
- // if the section address is aligned we must align PE/COFF
- mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));
- } else if ((shdr->sh_addr % shdr->sh_addralign) != (mCoffOffset % shdr->sh_addralign)) {
- // ARM RVCT tools have behavior outside of the ELF specification to try
- // and make images smaller. If sh_addr is not aligned to sh_addralign
- // then the section needs to preserve sh_addr MOD sh_addralign.
- // Normally doing nothing here works great.
- Error (NULL, 0, 3000, "Invalid", "Unsupported section alignment.");
- }
- }
- if (shdr->sh_size != 0) {
- mCoffSectionsOffset[i] = mCoffOffset;
- mCoffOffset += (UINT32) shdr->sh_size;
- mCoffOffset = CoffAlign(mCoffOffset);
- SetHiiResourceHeader ((UINT8*) mEhdr + shdr->sh_offset, mHiiRsrcOffset);
- }
- break;
- }
- }
-
- mRelocOffset = mCoffOffset;
-
- //
- // Allocate base Coff file. Will be expanded later for relocations.
- //
- mCoffFile = (UINT8 *)malloc(mCoffOffset);
- memset(mCoffFile, 0, mCoffOffset);
-
- //
- // Fill headers.
- //
- DosHdr = (EFI_IMAGE_DOS_HEADER *)mCoffFile;
- DosHdr->e_magic = EFI_IMAGE_DOS_SIGNATURE;
- DosHdr->e_lfanew = mNtHdrOffset;
-
- NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION*)(mCoffFile + mNtHdrOffset);
-
- NtHdr->Pe32Plus.Signature = EFI_IMAGE_NT_SIGNATURE;
-
- switch (mEhdr->e_machine) {
- case EM_X86_64:
- NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;
- NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
- break;
- case EM_IA_64:
- NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_IPF;
- NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
- break;
- case EM_AARCH64:
- NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_AARCH64;
- NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
- break;
- default:
- VerboseMsg ("%s unknown e_machine type. Assume X64", (UINTN)mEhdr->e_machine);
- NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;
- NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
- }
-
- NtHdr->Pe32Plus.FileHeader.NumberOfSections = mCoffNbrSections;
- NtHdr->Pe32Plus.FileHeader.TimeDateStamp = (UINT32) time(NULL);
- mImageTimeStamp = NtHdr->Pe32Plus.FileHeader.TimeDateStamp;
- NtHdr->Pe32Plus.FileHeader.PointerToSymbolTable = 0;
- NtHdr->Pe32Plus.FileHeader.NumberOfSymbols = 0;
- NtHdr->Pe32Plus.FileHeader.SizeOfOptionalHeader = sizeof(NtHdr->Pe32Plus.OptionalHeader);
- NtHdr->Pe32Plus.FileHeader.Characteristics = EFI_IMAGE_FILE_EXECUTABLE_IMAGE
- | EFI_IMAGE_FILE_LINE_NUMS_STRIPPED
- | EFI_IMAGE_FILE_LOCAL_SYMS_STRIPPED
- | EFI_IMAGE_FILE_LARGE_ADDRESS_AWARE;
-
- NtHdr->Pe32Plus.OptionalHeader.SizeOfCode = mDataOffset - mTextOffset;
- NtHdr->Pe32Plus.OptionalHeader.SizeOfInitializedData = mRelocOffset - mDataOffset;
- NtHdr->Pe32Plus.OptionalHeader.SizeOfUninitializedData = 0;
- NtHdr->Pe32Plus.OptionalHeader.AddressOfEntryPoint = CoffEntry;
-
- NtHdr->Pe32Plus.OptionalHeader.BaseOfCode = mTextOffset;
-
- NtHdr->Pe32Plus.OptionalHeader.ImageBase = 0;
- NtHdr->Pe32Plus.OptionalHeader.SectionAlignment = mCoffAlignment;
- NtHdr->Pe32Plus.OptionalHeader.FileAlignment = mCoffAlignment;
- NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = 0;
-
- NtHdr->Pe32Plus.OptionalHeader.SizeOfHeaders = mTextOffset;
- NtHdr->Pe32Plus.OptionalHeader.NumberOfRvaAndSizes = EFI_IMAGE_NUMBER_OF_DIRECTORY_ENTRIES;
-
- //
- // Section headers.
- //
- if ((mDataOffset - mTextOffset) > 0) {
- CreateSectionHeader (".text", mTextOffset, mDataOffset - mTextOffset,
- EFI_IMAGE_SCN_CNT_CODE
- | EFI_IMAGE_SCN_MEM_EXECUTE
- | EFI_IMAGE_SCN_MEM_READ);
- } else {
- // Don't make a section of size 0.
- NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
- }
-
- if ((mHiiRsrcOffset - mDataOffset) > 0) {
- CreateSectionHeader (".data", mDataOffset, mHiiRsrcOffset - mDataOffset,
- EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
- | EFI_IMAGE_SCN_MEM_WRITE
- | EFI_IMAGE_SCN_MEM_READ);
- } else {
- // Don't make a section of size 0.
- NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
- }
-
- if ((mRelocOffset - mHiiRsrcOffset) > 0) {
- CreateSectionHeader (".rsrc", mHiiRsrcOffset, mRelocOffset - mHiiRsrcOffset,
- EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
- | EFI_IMAGE_SCN_MEM_READ);
-
- NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].Size = mRelocOffset - mHiiRsrcOffset;
- NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress = mHiiRsrcOffset;
- } else {
- // Don't make a section of size 0.
- NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
- }
-
-}
-
-STATIC
-BOOLEAN
-WriteSections64 (
- SECTION_FILTER_TYPES FilterType
- )
-{
- UINT32 Idx;
- Elf_Shdr *SecShdr;
- UINT32 SecOffset;
- BOOLEAN (*Filter)(Elf_Shdr *);
-
- //
- // Initialize filter pointer
- //
- switch (FilterType) {
- case SECTION_TEXT:
- Filter = IsTextShdr;
- break;
- case SECTION_HII:
- Filter = IsHiiRsrcShdr;
- break;
- case SECTION_DATA:
- Filter = IsDataShdr;
- break;
- default:
- return FALSE;
- }
-
- //
- // First: copy sections.
- //
- for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {
- Elf_Shdr *Shdr = GetShdrByIndex(Idx);
- if ((*Filter)(Shdr)) {
- switch (Shdr->sh_type) {
- case SHT_PROGBITS:
- /* Copy. */
- memcpy(mCoffFile + mCoffSectionsOffset[Idx],
- (UINT8*)mEhdr + Shdr->sh_offset,
- (size_t) Shdr->sh_size);
- break;
-
- case SHT_NOBITS:
- memset(mCoffFile + mCoffSectionsOffset[Idx], 0, (size_t) Shdr->sh_size);
- break;
-
- default:
- //
- // Ignore for unkown section type.
- //
- VerboseMsg ("%s unknown section type %x. We directly copy this section into Coff file", mInImageName, (unsigned)Shdr->sh_type);
- break;
- }
- }
- }
-
- //
- // Second: apply relocations.
- //
- VerboseMsg ("Applying Relocations...");
- for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {
- //
- // Determine if this is a relocation section.
- //
- Elf_Shdr *RelShdr = GetShdrByIndex(Idx);
- if ((RelShdr->sh_type != SHT_REL) && (RelShdr->sh_type != SHT_RELA)) {
- continue;
- }
-
- //
- // Relocation section found. Now extract section information that the relocations
- // apply to in the ELF data and the new COFF data.
- //
- SecShdr = GetShdrByIndex(RelShdr->sh_info);
- SecOffset = mCoffSectionsOffset[RelShdr->sh_info];
-
- //
- // Only process relocations for the current filter type.
- //
- if (RelShdr->sh_type == SHT_RELA && (*Filter)(SecShdr)) {
- UINT64 RelIdx;
-
- //
- // Determine the symbol table referenced by the relocation data.
- //
- Elf_Shdr *SymtabShdr = GetShdrByIndex(RelShdr->sh_link);
- UINT8 *Symtab = (UINT8*)mEhdr + SymtabShdr->sh_offset;
-
- //
- // Process all relocation entries for this section.
- //
- for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += (UINT32) RelShdr->sh_entsize) {
-
- //
- // Set pointer to relocation entry
- //
- Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);
-
- //
- // Set pointer to symbol table entry associated with the relocation entry.
- //
- Elf_Sym *Sym = (Elf_Sym *)(Symtab + ELF_R_SYM(Rel->r_info) * SymtabShdr->sh_entsize);
-
- Elf_Shdr *SymShdr;
- UINT8 *Targ;
-
- //
- // Check section header index found in symbol table and get the section
- // header location.
- //
- if (Sym->st_shndx == SHN_UNDEF
- || Sym->st_shndx == SHN_ABS
- || Sym->st_shndx > mEhdr->e_shnum) {
- Error (NULL, 0, 3000, "Invalid", "%s bad symbol definition.", mInImageName);
- }
- SymShdr = GetShdrByIndex(Sym->st_shndx);
-
- //
- // Convert the relocation data to a pointer into the coff file.
- //
- // Note:
- // r_offset is the virtual address of the storage unit to be relocated.
- // sh_addr is the virtual address for the base of the section.
- //
- // r_offset in a memory address.
- // Convert it to a pointer in the coff file.
- //
- Targ = mCoffFile + SecOffset + (Rel->r_offset - SecShdr->sh_addr);
-
- //
- // Determine how to handle each relocation type based on the machine type.
- //
- if (mEhdr->e_machine == EM_X86_64) {
- switch (ELF_R_TYPE(Rel->r_info)) {
- case R_X86_64_NONE:
- break;
- case R_X86_64_64:
- //
- // Absolute relocation.
- //
- VerboseMsg ("R_X86_64_64");
- VerboseMsg ("Offset: 0x%08X, Addend: 0x%016LX",
- (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
- *(UINT64 *)Targ);
- *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];
- VerboseMsg ("Relocation: 0x%016LX", *(UINT64*)Targ);
- break;
- case R_X86_64_32:
- VerboseMsg ("R_X86_64_32");
- VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",
- (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
- *(UINT32 *)Targ);
- *(UINT32 *)Targ = (UINT32)((UINT64)(*(UINT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);
- VerboseMsg ("Relocation: 0x%08X", *(UINT32*)Targ);
- break;
- case R_X86_64_32S:
- VerboseMsg ("R_X86_64_32S");
- VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",
- (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
- *(UINT32 *)Targ);
- *(INT32 *)Targ = (INT32)((INT64)(*(INT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);
- VerboseMsg ("Relocation: 0x%08X", *(UINT32*)Targ);
- break;
- case R_X86_64_PC32:
- //
- // Relative relocation: Symbol - Ip + Addend
- //
- VerboseMsg ("R_X86_64_PC32");
- VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",
- (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
- *(UINT32 *)Targ);
- *(UINT32 *)Targ = (UINT32) (*(UINT32 *)Targ
- + (mCoffSectionsOffset[Sym->st_shndx] - SymShdr->sh_addr)
- - (SecOffset - SecShdr->sh_addr));
- VerboseMsg ("Relocation: 0x%08X", *(UINT32 *)Targ);
- break;
- default:
- Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
- }
- } else if (mEhdr->e_machine == EM_AARCH64) {
-
- // AARCH64 GCC uses RELA relocation, so all relocations have to be fixed up.
- // As opposed to ARM32 using REL.
-
- switch (ELF_R_TYPE(Rel->r_info)) {
-
- case R_AARCH64_LD_PREL_LO19:
- if (Rel->r_addend != 0 ) { /* TODO */
- Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_LD_PREL_LO19 Need to fixup with addend!.");
- }
- break;
-
- case R_AARCH64_CALL26:
- if (Rel->r_addend != 0 ) { /* TODO */
- Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_CALL26 Need to fixup with addend!.");
- }
- break;
-
- case R_AARCH64_JUMP26:
- if (Rel->r_addend != 0 ) { /* TODO : AArch64 '-O2' optimisation. */
- Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_JUMP26 Need to fixup with addend!.");
- }
- break;
-
- case R_AARCH64_ADR_PREL_PG_HI21:
- // TODO : AArch64 'small' memory model.
- Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADR_PREL_PG_HI21.", mInImageName);
- break;
-
- case R_AARCH64_ADD_ABS_LO12_NC:
- // TODO : AArch64 'small' memory model.
- Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADD_ABS_LO12_NC.", mInImageName);
- break;
-
- // Absolute relocations.
- case R_AARCH64_ABS64:
- *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];
- break;
-
- default:
- Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
- }
- } else {
- Error (NULL, 0, 3000, "Invalid", "Not a supported machine type");
- }
- }
- }
- }
-
- return TRUE;
-}
-
-STATIC
-VOID
-WriteRelocations64 (
- VOID
- )
-{
- UINT32 Index;
- EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
- EFI_IMAGE_DATA_DIRECTORY *Dir;
-
- for (Index = 0; Index < mEhdr->e_shnum; Index++) {
- Elf_Shdr *RelShdr = GetShdrByIndex(Index);
- if ((RelShdr->sh_type == SHT_REL) || (RelShdr->sh_type == SHT_RELA)) {
- Elf_Shdr *SecShdr = GetShdrByIndex (RelShdr->sh_info);
- if (IsTextShdr(SecShdr) || IsDataShdr(SecShdr)) {
- UINT64 RelIdx;
-
- for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += RelShdr->sh_entsize) {
- Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);
-
- if (mEhdr->e_machine == EM_X86_64) {
- switch (ELF_R_TYPE(Rel->r_info)) {
- case R_X86_64_NONE:
- case R_X86_64_PC32:
- break;
- case R_X86_64_64:
- VerboseMsg ("EFI_IMAGE_REL_BASED_DIR64 Offset: 0x%08X",
- mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));
- CoffAddFixup(
- (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
- + (Rel->r_offset - SecShdr->sh_addr)),
- EFI_IMAGE_REL_BASED_DIR64);
- break;
- case R_X86_64_32S:
- case R_X86_64_32:
- VerboseMsg ("EFI_IMAGE_REL_BASED_HIGHLOW Offset: 0x%08X",
- mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));
- CoffAddFixup(
- (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
- + (Rel->r_offset - SecShdr->sh_addr)),
- EFI_IMAGE_REL_BASED_HIGHLOW);
- break;
- default:
- Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
- }
- } else if (mEhdr->e_machine == EM_AARCH64) {
- // AArch64 GCC uses RELA relocation, so all relocations has to be fixed up. ARM32 uses REL.
- switch (ELF_R_TYPE(Rel->r_info)) {
- case R_AARCH64_LD_PREL_LO19:
- break;
-
- case R_AARCH64_CALL26:
- break;
-
- case R_AARCH64_JUMP26:
- break;
-
- case R_AARCH64_ADR_PREL_PG_HI21:
- // TODO : AArch64 'small' memory model.
- Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADR_PREL_PG_HI21.", mInImageName);
- break;
-
- case R_AARCH64_ADD_ABS_LO12_NC:
- // TODO : AArch64 'small' memory model.
- Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADD_ABS_LO12_NC.", mInImageName);
- break;
-
- case R_AARCH64_ABS64:
- CoffAddFixup(
- (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
- + (Rel->r_offset - SecShdr->sh_addr)),
- EFI_IMAGE_REL_BASED_DIR64);
- break;
-
- case R_AARCH64_ABS32:
- CoffAddFixup(
- (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
- + (Rel->r_offset - SecShdr->sh_addr)),
- EFI_IMAGE_REL_BASED_HIGHLOW);
- break;
-
- default:
- Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
- }
- } else {
- Error (NULL, 0, 3000, "Not Supported", "This tool does not support relocations for ELF with e_machine %u (processor type).", (unsigned) mEhdr->e_machine);
- }
- }
- }
- }
- }
-
- //
- // Pad by adding empty entries.
- //
- while (mCoffOffset & (mCoffAlignment - 1)) {
- CoffAddFixupEntry(0);
- }
-
- NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);
- Dir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC];
- Dir->Size = mCoffOffset - mRelocOffset;
- if (Dir->Size == 0) {
- // If no relocations, null out the directory entry and don't add the .reloc section
- Dir->VirtualAddress = 0;
- NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
- } else {
- Dir->VirtualAddress = mRelocOffset;
- CreateSectionHeader (".reloc", mRelocOffset, mCoffOffset - mRelocOffset,
- EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
- | EFI_IMAGE_SCN_MEM_DISCARDABLE
- | EFI_IMAGE_SCN_MEM_READ);
- }
-}
-
-STATIC
-VOID
-WriteDebug64 (
- VOID
- )
-{
- UINT32 Len;
- UINT32 DebugOffset;
- EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
- EFI_IMAGE_DATA_DIRECTORY *DataDir;
- EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *Dir;
- EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY *Nb10;
-
- Len = strlen(mInImageName) + 1;
- DebugOffset = mCoffOffset;
-
- mCoffOffset += sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY)
- + sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY)
- + Len;
- mCoffOffset = CoffAlign(mCoffOffset);
-
- mCoffFile = realloc(mCoffFile, mCoffOffset);
- memset(mCoffFile + DebugOffset, 0, mCoffOffset - DebugOffset);
-
- Dir = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY*)(mCoffFile + DebugOffset);
- Dir->Type = EFI_IMAGE_DEBUG_TYPE_CODEVIEW;
- Dir->SizeOfData = sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY) + Len;
- Dir->RVA = DebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);
- Dir->FileOffset = DebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);
-
- Nb10 = (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY*)(Dir + 1);
- Nb10->Signature = CODEVIEW_SIGNATURE_NB10;
- strcpy ((char *)(Nb10 + 1), mInImageName);
-
-
- NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);
- DataDir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG];
- DataDir->VirtualAddress = DebugOffset;
- DataDir->Size = mCoffOffset - DebugOffset;
- if (DataDir->Size == 0) {
- // If no debug, null out the directory entry and don't add the .debug section
- DataDir->VirtualAddress = 0;
- NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
- } else {
- DataDir->VirtualAddress = DebugOffset;
- CreateSectionHeader (".debug", DebugOffset, mCoffOffset - DebugOffset,
- EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
- | EFI_IMAGE_SCN_MEM_DISCARDABLE
- | EFI_IMAGE_SCN_MEM_READ);
-
- }
-}
-
-STATIC
-VOID
-SetImageSize64 (
- VOID
- )
-{
- EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
-
- //
- // Set image size
- //
- NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);
- NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = mCoffOffset;
-}
-
-STATIC
-VOID
-CleanUp64 (
- VOID
- )
-{
- if (mCoffSectionsOffset != NULL) {
- free (mCoffSectionsOffset);
- }
-}
-
-
+/** @file
+
+Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
+Portions copyright (c) 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 "WinNtInclude.h"
+
+#ifndef __GNUC__
+#include <windows.h>
+#include <io.h>
+#endif
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <ctype.h>
+
+#include <Common/UefiBaseTypes.h>
+#include <IndustryStandard/PeImage.h>
+
+#include "PeCoffLib.h"
+#include "EfiUtilityMsgs.h"
+
+#include "GenFw.h"
+#include "ElfConvert.h"
+#include "Elf64Convert.h"
+
+STATIC
+VOID
+ScanSections64 (
+ VOID
+ );
+
+STATIC
+BOOLEAN
+WriteSections64 (
+ SECTION_FILTER_TYPES FilterType
+ );
+
+STATIC
+VOID
+WriteRelocations64 (
+ VOID
+ );
+
+STATIC
+VOID
+WriteDebug64 (
+ VOID
+ );
+
+STATIC
+VOID
+SetImageSize64 (
+ VOID
+ );
+
+STATIC
+VOID
+CleanUp64 (
+ VOID
+ );
+
+//
+// Rename ELF32 strucutres to common names to help when porting to ELF64.
+//
+typedef Elf64_Shdr Elf_Shdr;
+typedef Elf64_Ehdr Elf_Ehdr;
+typedef Elf64_Rel Elf_Rel;
+typedef Elf64_Rela Elf_Rela;
+typedef Elf64_Sym Elf_Sym;
+typedef Elf64_Phdr Elf_Phdr;
+typedef Elf64_Dyn Elf_Dyn;
+#define ELFCLASS ELFCLASS64
+#define ELF_R_TYPE(r) ELF64_R_TYPE(r)
+#define ELF_R_SYM(r) ELF64_R_SYM(r)
+
+//
+// Well known ELF structures.
+//
+STATIC Elf_Ehdr *mEhdr;
+STATIC Elf_Shdr *mShdrBase;
+STATIC Elf_Phdr *mPhdrBase;
+
+//
+// Coff information
+//
+STATIC const UINT32 mCoffAlignment = 0x20;
+
+//
+// PE section alignment.
+//
+STATIC const UINT16 mCoffNbrSections = 5;
+
+//
+// ELF sections to offset in Coff file.
+//
+STATIC UINT32 *mCoffSectionsOffset = NULL;
+
+//
+// Offsets in COFF file
+//
+STATIC UINT32 mNtHdrOffset;
+STATIC UINT32 mTextOffset;
+STATIC UINT32 mDataOffset;
+STATIC UINT32 mHiiRsrcOffset;
+STATIC UINT32 mRelocOffset;
+
+//
+// Initialization Function
+//
+BOOLEAN
+InitializeElf64 (
+ UINT8 *FileBuffer,
+ ELF_FUNCTION_TABLE *ElfFunctions
+ )
+{
+ //
+ // Initialize data pointer and structures.
+ //
+ VerboseMsg ("Set EHDR");
+ mEhdr = (Elf_Ehdr*) FileBuffer;
+
+ //
+ // Check the ELF64 specific header information.
+ //
+ VerboseMsg ("Check ELF64 Header Information");
+ if (mEhdr->e_ident[EI_CLASS] != ELFCLASS64) {
+ Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFCLASS64");
+ return FALSE;
+ }
+ if (mEhdr->e_ident[EI_DATA] != ELFDATA2LSB) {
+ Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFDATA2LSB");
+ return FALSE;
+ }
+ if ((mEhdr->e_type != ET_EXEC) && (mEhdr->e_type != ET_DYN)) {
+ Error (NULL, 0, 3000, "Unsupported", "ELF e_type not ET_EXEC or ET_DYN");
+ return FALSE;
+ }
+ if (!((mEhdr->e_machine == EM_X86_64) || (mEhdr->e_machine == EM_AARCH64))) {
+ Error (NULL, 0, 3000, "Unsupported", "ELF e_machine not EM_X86_64 or EM_AARCH64");
+ return FALSE;
+ }
+ if (mEhdr->e_version != EV_CURRENT) {
+ Error (NULL, 0, 3000, "Unsupported", "ELF e_version (%u) not EV_CURRENT (%d)", (unsigned) mEhdr->e_version, EV_CURRENT);
+ return FALSE;
+ }
+
+ //
+ // Update section header pointers
+ //
+ VerboseMsg ("Update Header Pointers");
+ mShdrBase = (Elf_Shdr *)((UINT8 *)mEhdr + mEhdr->e_shoff);
+ mPhdrBase = (Elf_Phdr *)((UINT8 *)mEhdr + mEhdr->e_phoff);
+
+ //
+ // Create COFF Section offset buffer and zero.
+ //
+ VerboseMsg ("Create COFF Section Offset Buffer");
+ mCoffSectionsOffset = (UINT32 *)malloc(mEhdr->e_shnum * sizeof (UINT32));
+ memset(mCoffSectionsOffset, 0, mEhdr->e_shnum * sizeof(UINT32));
+
+ //
+ // Fill in function pointers.
+ //
+ VerboseMsg ("Fill in Function Pointers");
+ ElfFunctions->ScanSections = ScanSections64;
+ ElfFunctions->WriteSections = WriteSections64;
+ ElfFunctions->WriteRelocations = WriteRelocations64;
+ ElfFunctions->WriteDebug = WriteDebug64;
+ ElfFunctions->SetImageSize = SetImageSize64;
+ ElfFunctions->CleanUp = CleanUp64;
+
+ return TRUE;
+}
+
+
+//
+// Header by Index functions
+//
+STATIC
+Elf_Shdr*
+GetShdrByIndex (
+ UINT32 Num
+ )
+{
+ if (Num >= mEhdr->e_shnum)
+ return NULL;
+ return (Elf_Shdr*)((UINT8*)mShdrBase + Num * mEhdr->e_shentsize);
+}
+
+STATIC
+UINT32
+CoffAlign (
+ UINT32 Offset
+ )
+{
+ return (Offset + mCoffAlignment - 1) & ~(mCoffAlignment - 1);
+}
+
+//
+// filter functions
+//
+STATIC
+BOOLEAN
+IsTextShdr (
+ Elf_Shdr *Shdr
+ )
+{
+ return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == SHF_ALLOC);
+}
+
+STATIC
+BOOLEAN
+IsHiiRsrcShdr (
+ Elf_Shdr *Shdr
+ )
+{
+ Elf_Shdr *Namedr = GetShdrByIndex(mEhdr->e_shstrndx);
+
+ return (BOOLEAN) (strcmp((CHAR8*)mEhdr + Namedr->sh_offset + Shdr->sh_name, ELF_HII_SECTION_NAME) == 0);
+}
+
+STATIC
+BOOLEAN
+IsDataShdr (
+ Elf_Shdr *Shdr
+ )
+{
+ if (IsHiiRsrcShdr(Shdr)) {
+ return FALSE;
+ }
+ return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE);
+}
+
+//
+// Elf functions interface implementation
+//
+
+STATIC
+VOID
+ScanSections64 (
+ VOID
+ )
+{
+ UINT32 i;
+ EFI_IMAGE_DOS_HEADER *DosHdr;
+ EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
+ UINT32 CoffEntry;
+ UINT32 SectionCount;
+ BOOLEAN FoundText;
+
+ CoffEntry = 0;
+ mCoffOffset = 0;
+ mTextOffset = 0;
+ FoundText = FALSE;
+
+ //
+ // Coff file start with a DOS header.
+ //
+ mCoffOffset = sizeof(EFI_IMAGE_DOS_HEADER) + 0x40;
+ mNtHdrOffset = mCoffOffset;
+ switch (mEhdr->e_machine) {
+ case EM_X86_64:
+ case EM_IA_64:
+ case EM_AARCH64:
+ mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);
+ break;
+ default:
+ VerboseMsg ("%s unknown e_machine type. Assume X64", (UINTN)mEhdr->e_machine);
+ mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);
+ break;
+ }
+
+ mTableOffset = mCoffOffset;
+ mCoffOffset += mCoffNbrSections * sizeof(EFI_IMAGE_SECTION_HEADER);
+
+ //
+ // First text sections.
+ //
+ mCoffOffset = CoffAlign(mCoffOffset);
+ SectionCount = 0;
+ for (i = 0; i < mEhdr->e_shnum; i++) {
+ Elf_Shdr *shdr = GetShdrByIndex(i);
+ if (IsTextShdr(shdr)) {
+ if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {
+ // the alignment field is valid
+ if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {
+ // if the section address is aligned we must align PE/COFF
+ mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));
+ } else if ((shdr->sh_addr % shdr->sh_addralign) != (mCoffOffset % shdr->sh_addralign)) {
+ // ARM RVCT tools have behavior outside of the ELF specification to try
+ // and make images smaller. If sh_addr is not aligned to sh_addralign
+ // then the section needs to preserve sh_addr MOD sh_addralign.
+ // Normally doing nothing here works great.
+ Error (NULL, 0, 3000, "Invalid", "Unsupported section alignment.");
+ }
+ }
+
+ /* Relocate entry. */
+ if ((mEhdr->e_entry >= shdr->sh_addr) &&
+ (mEhdr->e_entry < shdr->sh_addr + shdr->sh_size)) {
+ CoffEntry = (UINT32) (mCoffOffset + mEhdr->e_entry - shdr->sh_addr);
+ }
+
+ //
+ // Set mTextOffset with the offset of the first '.text' section
+ //
+ if (!FoundText) {
+ mTextOffset = mCoffOffset;
+ FoundText = TRUE;
+ }
+
+ mCoffSectionsOffset[i] = mCoffOffset;
+ mCoffOffset += (UINT32) shdr->sh_size;
+ SectionCount ++;
+ }
+ }
+
+ if (!FoundText) {
+ Error (NULL, 0, 3000, "Invalid", "Did not find any '.text' section.");
+ assert (FALSE);
+ }
+
+ if (mEhdr->e_machine != EM_ARM) {
+ mCoffOffset = CoffAlign(mCoffOffset);
+ }
+
+ if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {
+ Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 text section. Source level debug might not work correctly.", mInImageName);
+ }
+
+ //
+ // Then data sections.
+ //
+ mDataOffset = mCoffOffset;
+ SectionCount = 0;
+ for (i = 0; i < mEhdr->e_shnum; i++) {
+ Elf_Shdr *shdr = GetShdrByIndex(i);
+ if (IsDataShdr(shdr)) {
+ if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {
+ // the alignment field is valid
+ if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {
+ // if the section address is aligned we must align PE/COFF
+ mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));
+ } else if ((shdr->sh_addr % shdr->sh_addralign) != (mCoffOffset % shdr->sh_addralign)) {
+ // ARM RVCT tools have behavior outside of the ELF specification to try
+ // and make images smaller. If sh_addr is not aligned to sh_addralign
+ // then the section needs to preserve sh_addr MOD sh_addralign.
+ // Normally doing nothing here works great.
+ Error (NULL, 0, 3000, "Invalid", "Unsupported section alignment.");
+ }
+ }
+ mCoffSectionsOffset[i] = mCoffOffset;
+ mCoffOffset += (UINT32) shdr->sh_size;
+ SectionCount ++;
+ }
+ }
+ mCoffOffset = CoffAlign(mCoffOffset);
+
+ if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {
+ Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 data section. Source level debug might not work correctly.", mInImageName);
+ }
+
+ //
+ // The HII resource sections.
+ //
+ mHiiRsrcOffset = mCoffOffset;
+ for (i = 0; i < mEhdr->e_shnum; i++) {
+ Elf_Shdr *shdr = GetShdrByIndex(i);
+ if (IsHiiRsrcShdr(shdr)) {
+ if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {
+ // the alignment field is valid
+ if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {
+ // if the section address is aligned we must align PE/COFF
+ mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));
+ } else if ((shdr->sh_addr % shdr->sh_addralign) != (mCoffOffset % shdr->sh_addralign)) {
+ // ARM RVCT tools have behavior outside of the ELF specification to try
+ // and make images smaller. If sh_addr is not aligned to sh_addralign
+ // then the section needs to preserve sh_addr MOD sh_addralign.
+ // Normally doing nothing here works great.
+ Error (NULL, 0, 3000, "Invalid", "Unsupported section alignment.");
+ }
+ }
+ if (shdr->sh_size != 0) {
+ mCoffSectionsOffset[i] = mCoffOffset;
+ mCoffOffset += (UINT32) shdr->sh_size;
+ mCoffOffset = CoffAlign(mCoffOffset);
+ SetHiiResourceHeader ((UINT8*) mEhdr + shdr->sh_offset, mHiiRsrcOffset);
+ }
+ break;
+ }
+ }
+
+ mRelocOffset = mCoffOffset;
+
+ //
+ // Allocate base Coff file. Will be expanded later for relocations.
+ //
+ mCoffFile = (UINT8 *)malloc(mCoffOffset);
+ memset(mCoffFile, 0, mCoffOffset);
+
+ //
+ // Fill headers.
+ //
+ DosHdr = (EFI_IMAGE_DOS_HEADER *)mCoffFile;
+ DosHdr->e_magic = EFI_IMAGE_DOS_SIGNATURE;
+ DosHdr->e_lfanew = mNtHdrOffset;
+
+ NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION*)(mCoffFile + mNtHdrOffset);
+
+ NtHdr->Pe32Plus.Signature = EFI_IMAGE_NT_SIGNATURE;
+
+ switch (mEhdr->e_machine) {
+ case EM_X86_64:
+ NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;
+ NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
+ break;
+ case EM_IA_64:
+ NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_IPF;
+ NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
+ break;
+ case EM_AARCH64:
+ NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_AARCH64;
+ NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
+ break;
+ default:
+ VerboseMsg ("%s unknown e_machine type. Assume X64", (UINTN)mEhdr->e_machine);
+ NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;
+ NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
+ }
+
+ NtHdr->Pe32Plus.FileHeader.NumberOfSections = mCoffNbrSections;
+ NtHdr->Pe32Plus.FileHeader.TimeDateStamp = (UINT32) time(NULL);
+ mImageTimeStamp = NtHdr->Pe32Plus.FileHeader.TimeDateStamp;
+ NtHdr->Pe32Plus.FileHeader.PointerToSymbolTable = 0;
+ NtHdr->Pe32Plus.FileHeader.NumberOfSymbols = 0;
+ NtHdr->Pe32Plus.FileHeader.SizeOfOptionalHeader = sizeof(NtHdr->Pe32Plus.OptionalHeader);
+ NtHdr->Pe32Plus.FileHeader.Characteristics = EFI_IMAGE_FILE_EXECUTABLE_IMAGE
+ | EFI_IMAGE_FILE_LINE_NUMS_STRIPPED
+ | EFI_IMAGE_FILE_LOCAL_SYMS_STRIPPED
+ | EFI_IMAGE_FILE_LARGE_ADDRESS_AWARE;
+
+ NtHdr->Pe32Plus.OptionalHeader.SizeOfCode = mDataOffset - mTextOffset;
+ NtHdr->Pe32Plus.OptionalHeader.SizeOfInitializedData = mRelocOffset - mDataOffset;
+ NtHdr->Pe32Plus.OptionalHeader.SizeOfUninitializedData = 0;
+ NtHdr->Pe32Plus.OptionalHeader.AddressOfEntryPoint = CoffEntry;
+
+ NtHdr->Pe32Plus.OptionalHeader.BaseOfCode = mTextOffset;
+
+ NtHdr->Pe32Plus.OptionalHeader.ImageBase = 0;
+ NtHdr->Pe32Plus.OptionalHeader.SectionAlignment = mCoffAlignment;
+ NtHdr->Pe32Plus.OptionalHeader.FileAlignment = mCoffAlignment;
+ NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = 0;
+
+ NtHdr->Pe32Plus.OptionalHeader.SizeOfHeaders = mTextOffset;
+ NtHdr->Pe32Plus.OptionalHeader.NumberOfRvaAndSizes = EFI_IMAGE_NUMBER_OF_DIRECTORY_ENTRIES;
+
+ //
+ // Section headers.
+ //
+ if ((mDataOffset - mTextOffset) > 0) {
+ CreateSectionHeader (".text", mTextOffset, mDataOffset - mTextOffset,
+ EFI_IMAGE_SCN_CNT_CODE
+ | EFI_IMAGE_SCN_MEM_EXECUTE
+ | EFI_IMAGE_SCN_MEM_READ);
+ } else {
+ // Don't make a section of size 0.
+ NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
+ }
+
+ if ((mHiiRsrcOffset - mDataOffset) > 0) {
+ CreateSectionHeader (".data", mDataOffset, mHiiRsrcOffset - mDataOffset,
+ EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
+ | EFI_IMAGE_SCN_MEM_WRITE
+ | EFI_IMAGE_SCN_MEM_READ);
+ } else {
+ // Don't make a section of size 0.
+ NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
+ }
+
+ if ((mRelocOffset - mHiiRsrcOffset) > 0) {
+ CreateSectionHeader (".rsrc", mHiiRsrcOffset, mRelocOffset - mHiiRsrcOffset,
+ EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
+ | EFI_IMAGE_SCN_MEM_READ);
+
+ NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].Size = mRelocOffset - mHiiRsrcOffset;
+ NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress = mHiiRsrcOffset;
+ } else {
+ // Don't make a section of size 0.
+ NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
+ }
+
+}
+
+STATIC
+BOOLEAN
+WriteSections64 (
+ SECTION_FILTER_TYPES FilterType
+ )
+{
+ UINT32 Idx;
+ Elf_Shdr *SecShdr;
+ UINT32 SecOffset;
+ BOOLEAN (*Filter)(Elf_Shdr *);
+
+ //
+ // Initialize filter pointer
+ //
+ switch (FilterType) {
+ case SECTION_TEXT:
+ Filter = IsTextShdr;
+ break;
+ case SECTION_HII:
+ Filter = IsHiiRsrcShdr;
+ break;
+ case SECTION_DATA:
+ Filter = IsDataShdr;
+ break;
+ default:
+ return FALSE;
+ }
+
+ //
+ // First: copy sections.
+ //
+ for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {
+ Elf_Shdr *Shdr = GetShdrByIndex(Idx);
+ if ((*Filter)(Shdr)) {
+ switch (Shdr->sh_type) {
+ case SHT_PROGBITS:
+ /* Copy. */
+ memcpy(mCoffFile + mCoffSectionsOffset[Idx],
+ (UINT8*)mEhdr + Shdr->sh_offset,
+ (size_t) Shdr->sh_size);
+ break;
+
+ case SHT_NOBITS:
+ memset(mCoffFile + mCoffSectionsOffset[Idx], 0, (size_t) Shdr->sh_size);
+ break;
+
+ default:
+ //
+ // Ignore for unkown section type.
+ //
+ VerboseMsg ("%s unknown section type %x. We directly copy this section into Coff file", mInImageName, (unsigned)Shdr->sh_type);
+ break;
+ }
+ }
+ }
+
+ //
+ // Second: apply relocations.
+ //
+ VerboseMsg ("Applying Relocations...");
+ for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {
+ //
+ // Determine if this is a relocation section.
+ //
+ Elf_Shdr *RelShdr = GetShdrByIndex(Idx);
+ if ((RelShdr->sh_type != SHT_REL) && (RelShdr->sh_type != SHT_RELA)) {
+ continue;
+ }
+
+ //
+ // Relocation section found. Now extract section information that the relocations
+ // apply to in the ELF data and the new COFF data.
+ //
+ SecShdr = GetShdrByIndex(RelShdr->sh_info);
+ SecOffset = mCoffSectionsOffset[RelShdr->sh_info];
+
+ //
+ // Only process relocations for the current filter type.
+ //
+ if (RelShdr->sh_type == SHT_RELA && (*Filter)(SecShdr)) {
+ UINT64 RelIdx;
+
+ //
+ // Determine the symbol table referenced by the relocation data.
+ //
+ Elf_Shdr *SymtabShdr = GetShdrByIndex(RelShdr->sh_link);
+ UINT8 *Symtab = (UINT8*)mEhdr + SymtabShdr->sh_offset;
+
+ //
+ // Process all relocation entries for this section.
+ //
+ for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += (UINT32) RelShdr->sh_entsize) {
+
+ //
+ // Set pointer to relocation entry
+ //
+ Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);
+
+ //
+ // Set pointer to symbol table entry associated with the relocation entry.
+ //
+ Elf_Sym *Sym = (Elf_Sym *)(Symtab + ELF_R_SYM(Rel->r_info) * SymtabShdr->sh_entsize);
+
+ Elf_Shdr *SymShdr;
+ UINT8 *Targ;
+
+ //
+ // Check section header index found in symbol table and get the section
+ // header location.
+ //
+ if (Sym->st_shndx == SHN_UNDEF
+ || Sym->st_shndx == SHN_ABS
+ || Sym->st_shndx > mEhdr->e_shnum) {
+ Error (NULL, 0, 3000, "Invalid", "%s bad symbol definition.", mInImageName);
+ }
+ SymShdr = GetShdrByIndex(Sym->st_shndx);
+
+ //
+ // Convert the relocation data to a pointer into the coff file.
+ //
+ // Note:
+ // r_offset is the virtual address of the storage unit to be relocated.
+ // sh_addr is the virtual address for the base of the section.
+ //
+ // r_offset in a memory address.
+ // Convert it to a pointer in the coff file.
+ //
+ Targ = mCoffFile + SecOffset + (Rel->r_offset - SecShdr->sh_addr);
+
+ //
+ // Determine how to handle each relocation type based on the machine type.
+ //
+ if (mEhdr->e_machine == EM_X86_64) {
+ switch (ELF_R_TYPE(Rel->r_info)) {
+ case R_X86_64_NONE:
+ break;
+ case R_X86_64_64:
+ //
+ // Absolute relocation.
+ //
+ VerboseMsg ("R_X86_64_64");
+ VerboseMsg ("Offset: 0x%08X, Addend: 0x%016LX",
+ (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
+ *(UINT64 *)Targ);
+ *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];
+ VerboseMsg ("Relocation: 0x%016LX", *(UINT64*)Targ);
+ break;
+ case R_X86_64_32:
+ VerboseMsg ("R_X86_64_32");
+ VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",
+ (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
+ *(UINT32 *)Targ);
+ *(UINT32 *)Targ = (UINT32)((UINT64)(*(UINT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);
+ VerboseMsg ("Relocation: 0x%08X", *(UINT32*)Targ);
+ break;
+ case R_X86_64_32S:
+ VerboseMsg ("R_X86_64_32S");
+ VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",
+ (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
+ *(UINT32 *)Targ);
+ *(INT32 *)Targ = (INT32)((INT64)(*(INT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);
+ VerboseMsg ("Relocation: 0x%08X", *(UINT32*)Targ);
+ break;
+ case R_X86_64_PC32:
+ //
+ // Relative relocation: Symbol - Ip + Addend
+ //
+ VerboseMsg ("R_X86_64_PC32");
+ VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",
+ (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
+ *(UINT32 *)Targ);
+ *(UINT32 *)Targ = (UINT32) (*(UINT32 *)Targ
+ + (mCoffSectionsOffset[Sym->st_shndx] - SymShdr->sh_addr)
+ - (SecOffset - SecShdr->sh_addr));
+ VerboseMsg ("Relocation: 0x%08X", *(UINT32 *)Targ);
+ break;
+ default:
+ Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
+ }
+ } else if (mEhdr->e_machine == EM_AARCH64) {
+
+ // AARCH64 GCC uses RELA relocation, so all relocations have to be fixed up.
+ // As opposed to ARM32 using REL.
+
+ switch (ELF_R_TYPE(Rel->r_info)) {
+
+ case R_AARCH64_LD_PREL_LO19:
+ if (Rel->r_addend != 0 ) { /* TODO */
+ Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_LD_PREL_LO19 Need to fixup with addend!.");
+ }
+ break;
+
+ case R_AARCH64_CALL26:
+ if (Rel->r_addend != 0 ) { /* TODO */
+ Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_CALL26 Need to fixup with addend!.");
+ }
+ break;
+
+ case R_AARCH64_JUMP26:
+ if (Rel->r_addend != 0 ) { /* TODO : AArch64 '-O2' optimisation. */
+ Error (NULL, 0, 3000, "Invalid", "AArch64: R_AARCH64_JUMP26 Need to fixup with addend!.");
+ }
+ break;
+
+ case R_AARCH64_ADR_PREL_PG_HI21:
+ // TODO : AArch64 'small' memory model.
+ Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADR_PREL_PG_HI21.", mInImageName);
+ break;
+
+ case R_AARCH64_ADD_ABS_LO12_NC:
+ // TODO : AArch64 'small' memory model.
+ Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADD_ABS_LO12_NC.", mInImageName);
+ break;
+
+ // Absolute relocations.
+ case R_AARCH64_ABS64:
+ *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];
+ break;
+
+ default:
+ Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
+ }
+ } else {
+ Error (NULL, 0, 3000, "Invalid", "Not a supported machine type");
+ }
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+STATIC
+VOID
+WriteRelocations64 (
+ VOID
+ )
+{
+ UINT32 Index;
+ EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
+ EFI_IMAGE_DATA_DIRECTORY *Dir;
+
+ for (Index = 0; Index < mEhdr->e_shnum; Index++) {
+ Elf_Shdr *RelShdr = GetShdrByIndex(Index);
+ if ((RelShdr->sh_type == SHT_REL) || (RelShdr->sh_type == SHT_RELA)) {
+ Elf_Shdr *SecShdr = GetShdrByIndex (RelShdr->sh_info);
+ if (IsTextShdr(SecShdr) || IsDataShdr(SecShdr)) {
+ UINT64 RelIdx;
+
+ for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += RelShdr->sh_entsize) {
+ Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);
+
+ if (mEhdr->e_machine == EM_X86_64) {
+ switch (ELF_R_TYPE(Rel->r_info)) {
+ case R_X86_64_NONE:
+ case R_X86_64_PC32:
+ break;
+ case R_X86_64_64:
+ VerboseMsg ("EFI_IMAGE_REL_BASED_DIR64 Offset: 0x%08X",
+ mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));
+ CoffAddFixup(
+ (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
+ + (Rel->r_offset - SecShdr->sh_addr)),
+ EFI_IMAGE_REL_BASED_DIR64);
+ break;
+ case R_X86_64_32S:
+ case R_X86_64_32:
+ VerboseMsg ("EFI_IMAGE_REL_BASED_HIGHLOW Offset: 0x%08X",
+ mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));
+ CoffAddFixup(
+ (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
+ + (Rel->r_offset - SecShdr->sh_addr)),
+ EFI_IMAGE_REL_BASED_HIGHLOW);
+ break;
+ default:
+ Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
+ }
+ } else if (mEhdr->e_machine == EM_AARCH64) {
+ // AArch64 GCC uses RELA relocation, so all relocations has to be fixed up. ARM32 uses REL.
+ switch (ELF_R_TYPE(Rel->r_info)) {
+ case R_AARCH64_LD_PREL_LO19:
+ break;
+
+ case R_AARCH64_CALL26:
+ break;
+
+ case R_AARCH64_JUMP26:
+ break;
+
+ case R_AARCH64_ADR_PREL_PG_HI21:
+ // TODO : AArch64 'small' memory model.
+ Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADR_PREL_PG_HI21.", mInImageName);
+ break;
+
+ case R_AARCH64_ADD_ABS_LO12_NC:
+ // TODO : AArch64 'small' memory model.
+ Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation R_AARCH64_ADD_ABS_LO12_NC.", mInImageName);
+ break;
+
+ case R_AARCH64_ABS64:
+ CoffAddFixup(
+ (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
+ + (Rel->r_offset - SecShdr->sh_addr)),
+ EFI_IMAGE_REL_BASED_DIR64);
+ break;
+
+ case R_AARCH64_ABS32:
+ CoffAddFixup(
+ (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
+ + (Rel->r_offset - SecShdr->sh_addr)),
+ EFI_IMAGE_REL_BASED_HIGHLOW);
+ break;
+
+ default:
+ Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
+ }
+ } else {
+ Error (NULL, 0, 3000, "Not Supported", "This tool does not support relocations for ELF with e_machine %u (processor type).", (unsigned) mEhdr->e_machine);
+ }
+ }
+ }
+ }
+ }
+
+ //
+ // Pad by adding empty entries.
+ //
+ while (mCoffOffset & (mCoffAlignment - 1)) {
+ CoffAddFixupEntry(0);
+ }
+
+ NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);
+ Dir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC];
+ Dir->Size = mCoffOffset - mRelocOffset;
+ if (Dir->Size == 0) {
+ // If no relocations, null out the directory entry and don't add the .reloc section
+ Dir->VirtualAddress = 0;
+ NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
+ } else {
+ Dir->VirtualAddress = mRelocOffset;
+ CreateSectionHeader (".reloc", mRelocOffset, mCoffOffset - mRelocOffset,
+ EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
+ | EFI_IMAGE_SCN_MEM_DISCARDABLE
+ | EFI_IMAGE_SCN_MEM_READ);
+ }
+}
+
+STATIC
+VOID
+WriteDebug64 (
+ VOID
+ )
+{
+ UINT32 Len;
+ UINT32 DebugOffset;
+ EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
+ EFI_IMAGE_DATA_DIRECTORY *DataDir;
+ EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *Dir;
+ EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY *Nb10;
+
+ Len = strlen(mInImageName) + 1;
+ DebugOffset = mCoffOffset;
+
+ mCoffOffset += sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY)
+ + sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY)
+ + Len;
+ mCoffOffset = CoffAlign(mCoffOffset);
+
+ mCoffFile = realloc(mCoffFile, mCoffOffset);
+ memset(mCoffFile + DebugOffset, 0, mCoffOffset - DebugOffset);
+
+ Dir = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY*)(mCoffFile + DebugOffset);
+ Dir->Type = EFI_IMAGE_DEBUG_TYPE_CODEVIEW;
+ Dir->SizeOfData = sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY) + Len;
+ Dir->RVA = DebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);
+ Dir->FileOffset = DebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);
+
+ Nb10 = (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY*)(Dir + 1);
+ Nb10->Signature = CODEVIEW_SIGNATURE_NB10;
+ strcpy ((char *)(Nb10 + 1), mInImageName);
+
+
+ NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);
+ DataDir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG];
+ DataDir->VirtualAddress = DebugOffset;
+ DataDir->Size = mCoffOffset - DebugOffset;
+ if (DataDir->Size == 0) {
+ // If no debug, null out the directory entry and don't add the .debug section
+ DataDir->VirtualAddress = 0;
+ NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
+ } else {
+ DataDir->VirtualAddress = DebugOffset;
+ CreateSectionHeader (".debug", DebugOffset, mCoffOffset - DebugOffset,
+ EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
+ | EFI_IMAGE_SCN_MEM_DISCARDABLE
+ | EFI_IMAGE_SCN_MEM_READ);
+
+ }
+}
+
+STATIC
+VOID
+SetImageSize64 (
+ VOID
+ )
+{
+ EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
+
+ //
+ // Set image size
+ //
+ NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);
+ NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = mCoffOffset;
+}
+
+STATIC
+VOID
+CleanUp64 (
+ VOID
+ )
+{
+ if (mCoffSectionsOffset != NULL) {
+ free (mCoffSectionsOffset);
+ }
+}
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 09:39:19 +0000