BaseTools/Source/C/GenFw/Elf64Convert.c

   1 /** @file
   2 Elf64 convert solution
   3
   4 Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
   5 Portions copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>
   6
   7 This program and the accompanying materials are licensed and made available
   8 under the terms and conditions of the BSD License which accompanies this
   9 distribution.  The full text of the license may be found at
  10 http://opensource.org/licenses/bsd-license.php
  11
  12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14
  15 **/
  16
  17 #include "WinNtInclude.h"
  18
  19 #ifndef __GNUC__
  20 #include <windows.h>
  21 #include <io.h>
  22 #endif
  23 #include <assert.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <time.h>
  28 #include <ctype.h>
  29
  30 #include <Common/UefiBaseTypes.h>
  31 #include <IndustryStandard/PeImage.h>
  32
  33 #include "PeCoffLib.h"
  34 #include "EfiUtilityMsgs.h"
  35
  36 #include "GenFw.h"
  37 #include "ElfConvert.h"
  38 #include "Elf64Convert.h"
  39
  40 STATIC
  41 VOID
  42 ScanSections64 (
  43   VOID
  44   );
  45
  46 STATIC
  47 BOOLEAN
  48 WriteSections64 (
  49   SECTION_FILTER_TYPES  FilterType
  50   );
  51
  52 STATIC
  53 VOID
  54 WriteRelocations64 (
  55   VOID
  56   );
  57
  58 STATIC
  59 VOID
  60 WriteDebug64 (
  61   VOID
  62   );
  63
  64 STATIC
  65 VOID
  66 SetImageSize64 (
  67   VOID
  68   );
  69
  70 STATIC
  71 VOID
  72 CleanUp64 (
  73   VOID
  74   );
  75
  76 //
  77 // Rename ELF32 strucutres to common names to help when porting to ELF64.
  78 //
  79 typedef Elf64_Shdr Elf_Shdr;
  80 typedef Elf64_Ehdr Elf_Ehdr;
  81 typedef Elf64_Rel Elf_Rel;
  82 typedef Elf64_Rela Elf_Rela;
  83 typedef Elf64_Sym Elf_Sym;
  84 typedef Elf64_Phdr Elf_Phdr;
  85 typedef Elf64_Dyn Elf_Dyn;
  86 #define ELFCLASS ELFCLASS64
  87 #define ELF_R_TYPE(r) ELF64_R_TYPE(r)
  88 #define ELF_R_SYM(r) ELF64_R_SYM(r)
  89
  90 //
  91 // Well known ELF structures.
  92 //
  93 STATIC Elf_Ehdr *mEhdr;
  94 STATIC Elf_Shdr *mShdrBase;
  95 STATIC Elf_Phdr *mPhdrBase;
  96
  97 //
  98 // Coff information
  99 //
 100 STATIC UINT32 mCoffAlignment = 0x20;
 101
 102 //
 103 // PE section alignment.
 104 //
 105 STATIC const UINT16 mCoffNbrSections = 4;
 106
 107 //
 108 // ELF sections to offset in Coff file.
 109 //
 110 STATIC UINT32 *mCoffSectionsOffset = NULL;
 111
 112 //
 113 // Offsets in COFF file
 114 //
 115 STATIC UINT32 mNtHdrOffset;
 116 STATIC UINT32 mTextOffset;
 117 STATIC UINT32 mDataOffset;
 118 STATIC UINT32 mHiiRsrcOffset;
 119 STATIC UINT32 mRelocOffset;
 120 STATIC UINT32 mDebugOffset;
 121
 122 //
 123 // Initialization Function
 124 //
 125 BOOLEAN
 126 InitializeElf64 (
 127   UINT8               *FileBuffer,
 128   ELF_FUNCTION_TABLE  *ElfFunctions
 129   )
 130 {
 131   //
 132   // Initialize data pointer and structures.
 133   //
 134   VerboseMsg ("Set EHDR");
 135   mEhdr = (Elf_Ehdr*) FileBuffer;
 136
 137   //
 138   // Check the ELF64 specific header information.
 139   //
 140   VerboseMsg ("Check ELF64 Header Information");
 141   if (mEhdr->e_ident[EI_CLASS] != ELFCLASS64) {
 142     Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFCLASS64");
 143     return FALSE;
 144   }
 145   if (mEhdr->e_ident[EI_DATA] != ELFDATA2LSB) {
 146     Error (NULL, 0, 3000, "Unsupported", "ELF EI_DATA not ELFDATA2LSB");
 147     return FALSE;
 148   }
 149   if ((mEhdr->e_type != ET_EXEC) && (mEhdr->e_type != ET_DYN)) {
 150     Error (NULL, 0, 3000, "Unsupported", "ELF e_type not ET_EXEC or ET_DYN");
 151     return FALSE;
 152   }
 153   if (!((mEhdr->e_machine == EM_X86_64) || (mEhdr->e_machine == EM_AARCH64))) {
 154     Error (NULL, 0, 3000, "Unsupported", "ELF e_machine not EM_X86_64 or EM_AARCH64");
 155     return FALSE;
 156   }
 157   if (mEhdr->e_version != EV_CURRENT) {
 158     Error (NULL, 0, 3000, "Unsupported", "ELF e_version (%u) not EV_CURRENT (%d)", (unsigned) mEhdr->e_version, EV_CURRENT);
 159     return FALSE;
 160   }
 161
 162   //
 163   // Update section header pointers
 164   //
 165   VerboseMsg ("Update Header Pointers");
 166   mShdrBase  = (Elf_Shdr *)((UINT8 *)mEhdr + mEhdr->e_shoff);
 167   mPhdrBase = (Elf_Phdr *)((UINT8 *)mEhdr + mEhdr->e_phoff);
 168
 169   //
 170   // Create COFF Section offset buffer and zero.
 171   //
 172   VerboseMsg ("Create COFF Section Offset Buffer");
 173   mCoffSectionsOffset = (UINT32 *)malloc(mEhdr->e_shnum * sizeof (UINT32));
 174   if (mCoffSectionsOffset == NULL) {
 175     Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");
 176     return FALSE;
 177   }
 178   memset(mCoffSectionsOffset, 0, mEhdr->e_shnum * sizeof(UINT32));
 179
 180   //
 181   // Fill in function pointers.
 182   //
 183   VerboseMsg ("Fill in Function Pointers");
 184   ElfFunctions->ScanSections = ScanSections64;
 185   ElfFunctions->WriteSections = WriteSections64;
 186   ElfFunctions->WriteRelocations = WriteRelocations64;
 187   ElfFunctions->WriteDebug = WriteDebug64;
 188   ElfFunctions->SetImageSize = SetImageSize64;
 189   ElfFunctions->CleanUp = CleanUp64;
 190
 191   return TRUE;
 192 }
 193
 194
 195 //
 196 // Header by Index functions
 197 //
 198 STATIC
 199 Elf_Shdr*
 200 GetShdrByIndex (
 201   UINT32 Num
 202   )
 203 {
 204   if (Num >= mEhdr->e_shnum) {
 205     Error (NULL, 0, 3000, "Invalid", "GetShdrByIndex: Index %u is too high.", Num);
 206     exit(EXIT_FAILURE);
 207   }
 208
 209   return (Elf_Shdr*)((UINT8*)mShdrBase + Num * mEhdr->e_shentsize);
 210 }
 211
 212 STATIC
 213 UINT32
 214 CoffAlign (
 215   UINT32 Offset
 216   )
 217 {
 218   return (Offset + mCoffAlignment - 1) & ~(mCoffAlignment - 1);
 219 }
 220
 221 STATIC
 222 UINT32
 223 DebugRvaAlign (
 224   UINT32 Offset
 225   )
 226 {
 227   return (Offset + 3) & ~3;
 228 }
 229
 230 //
 231 // filter functions
 232 //
 233 STATIC
 234 BOOLEAN
 235 IsTextShdr (
 236   Elf_Shdr *Shdr
 237   )
 238 {
 239   return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == SHF_ALLOC);
 240 }
 241
 242 STATIC
 243 BOOLEAN
 244 IsHiiRsrcShdr (
 245   Elf_Shdr *Shdr
 246   )
 247 {
 248   Elf_Shdr *Namedr = GetShdrByIndex(mEhdr->e_shstrndx);
 249
 250   return (BOOLEAN) (strcmp((CHAR8*)mEhdr + Namedr->sh_offset + Shdr->sh_name, ELF_HII_SECTION_NAME) == 0);
 251 }
 252
 253 STATIC
 254 BOOLEAN
 255 IsDataShdr (
 256   Elf_Shdr *Shdr
 257   )
 258 {
 259   if (IsHiiRsrcShdr(Shdr)) {
 260     return FALSE;
 261   }
 262   return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) == (SHF_ALLOC | SHF_WRITE);
 263 }
 264
 265 STATIC
 266 BOOLEAN
 267 IsStrtabShdr (
 268   Elf_Shdr *Shdr
 269   )
 270 {
 271   Elf_Shdr *Namedr = GetShdrByIndex(mEhdr->e_shstrndx);
 272
 273   return (BOOLEAN) (strcmp((CHAR8*)mEhdr + Namedr->sh_offset + Shdr->sh_name, ELF_STRTAB_SECTION_NAME) == 0);
 274 }
 275
 276 STATIC
 277 Elf_Shdr *
 278 FindStrtabShdr (
 279   VOID
 280   )
 281 {
 282   UINT32 i;
 283   for (i = 0; i < mEhdr->e_shnum; i++) {
 284     Elf_Shdr *shdr = GetShdrByIndex(i);
 285     if (IsStrtabShdr(shdr)) {
 286       return shdr;
 287     }
 288   }
 289   return NULL;
 290 }
 291
 292 STATIC
 293 const UINT8 *
 294 GetSymName (
 295   Elf_Sym *Sym
 296   )
 297 {
 298   Elf_Shdr *StrtabShdr;
 299   UINT8    *StrtabContents;
 300   BOOLEAN  foundEnd;
 301   UINT32   i;
 302
 303   if (Sym->st_name == 0) {
 304     return NULL;
 305   }
 306
 307   StrtabShdr = FindStrtabShdr();
 308   if (StrtabShdr == NULL) {
 309     return NULL;
 310   }
 311
 312   assert(Sym->st_name < StrtabShdr->sh_size);
 313
 314   StrtabContents = (UINT8*)mEhdr + StrtabShdr->sh_offset;
 315
 316   foundEnd = FALSE;
 317   for (i= Sym->st_name; (i < StrtabShdr->sh_size) && !foundEnd; i++) {
 318     foundEnd = (BOOLEAN)(StrtabContents[i] == 0);
 319   }
 320   assert(foundEnd);
 321
 322   return StrtabContents + Sym->st_name;
 323 }
 324
 325 //
 326 // Elf functions interface implementation
 327 //
 328
 329 STATIC
 330 VOID
 331 ScanSections64 (
 332   VOID
 333   )
 334 {
 335   UINT32                          i;
 336   EFI_IMAGE_DOS_HEADER            *DosHdr;
 337   EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
 338   UINT32                          CoffEntry;
 339   UINT32                          SectionCount;
 340   BOOLEAN                         FoundSection;
 341
 342   CoffEntry = 0;
 343   mCoffOffset = 0;
 344
 345   //
 346   // Coff file start with a DOS header.
 347   //
 348   mCoffOffset = sizeof(EFI_IMAGE_DOS_HEADER) + 0x40;
 349   mNtHdrOffset = mCoffOffset;
 350   switch (mEhdr->e_machine) {
 351   case EM_X86_64:
 352   case EM_IA_64:
 353   case EM_AARCH64:
 354     mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);
 355   break;
 356   default:
 357     VerboseMsg ("%s unknown e_machine type %hu. Assume X64", mInImageName, mEhdr->e_machine);
 358     mCoffOffset += sizeof (EFI_IMAGE_NT_HEADERS64);
 359   break;
 360   }
 361
 362   mTableOffset = mCoffOffset;
 363   mCoffOffset += mCoffNbrSections * sizeof(EFI_IMAGE_SECTION_HEADER);
 364
 365   //
 366   // Set mCoffAlignment to the maximum alignment of the input sections
 367   // we care about
 368   //
 369   for (i = 0; i < mEhdr->e_shnum; i++) {
 370     Elf_Shdr *shdr = GetShdrByIndex(i);
 371     if (shdr->sh_addralign <= mCoffAlignment) {
 372       continue;
 373     }
 374     if (IsTextShdr(shdr) || IsDataShdr(shdr) || IsHiiRsrcShdr(shdr)) {
 375       mCoffAlignment = (UINT32)shdr->sh_addralign;
 376     }
 377   }
 378
 379   //
 380   // Check if mCoffAlignment is larger than MAX_COFF_ALIGNMENT
 381   //
 382   if (mCoffAlignment > MAX_COFF_ALIGNMENT) {
 383     Error (NULL, 0, 3000, "Invalid", "Section alignment is larger than MAX_COFF_ALIGNMENT.");
 384     assert (FALSE);
 385   }
 386
 387
 388   //
 389   // Move the PE/COFF header right before the first section. This will help us
 390   // save space when converting to TE.
 391   //
 392   if (mCoffAlignment > mCoffOffset) {
 393     mNtHdrOffset += mCoffAlignment - mCoffOffset;
 394     mTableOffset += mCoffAlignment - mCoffOffset;
 395     mCoffOffset = mCoffAlignment;
 396   }
 397
 398   //
 399   // First text sections.
 400   //
 401   mCoffOffset = CoffAlign(mCoffOffset);
 402   mTextOffset = mCoffOffset;
 403   FoundSection = FALSE;
 404   SectionCount = 0;
 405   for (i = 0; i < mEhdr->e_shnum; i++) {
 406     Elf_Shdr *shdr = GetShdrByIndex(i);
 407     if (IsTextShdr(shdr)) {
 408       if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {
 409         // the alignment field is valid
 410         if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {
 411           // if the section address is aligned we must align PE/COFF
 412           mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));
 413         } else {
 414           Error (NULL, 0, 3000, "Invalid", "Section address not aligned to its own alignment.");
 415         }
 416       }
 417
 418       /* Relocate entry.  */
 419       if ((mEhdr->e_entry >= shdr->sh_addr) &&
 420           (mEhdr->e_entry < shdr->sh_addr + shdr->sh_size)) {
 421         CoffEntry = (UINT32) (mCoffOffset + mEhdr->e_entry - shdr->sh_addr);
 422       }
 423
 424       //
 425       // Set mTextOffset with the offset of the first '.text' section
 426       //
 427       if (!FoundSection) {
 428         mTextOffset = mCoffOffset;
 429         FoundSection = TRUE;
 430       }
 431
 432       mCoffSectionsOffset[i] = mCoffOffset;
 433       mCoffOffset += (UINT32) shdr->sh_size;
 434       SectionCount ++;
 435     }
 436   }
 437
 438   if (!FoundSection) {
 439     Error (NULL, 0, 3000, "Invalid", "Did not find any '.text' section.");
 440     assert (FALSE);
 441   }
 442
 443   mDebugOffset = DebugRvaAlign(mCoffOffset);
 444   mCoffOffset = CoffAlign(mCoffOffset);
 445
 446   if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {
 447     Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 text section. Source level debug might not work correctly.", mInImageName);
 448   }
 449
 450   //
 451   //  Then data sections.
 452   //
 453   mDataOffset = mCoffOffset;
 454   FoundSection = FALSE;
 455   SectionCount = 0;
 456   for (i = 0; i < mEhdr->e_shnum; i++) {
 457     Elf_Shdr *shdr = GetShdrByIndex(i);
 458     if (IsDataShdr(shdr)) {
 459       if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {
 460         // the alignment field is valid
 461         if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {
 462           // if the section address is aligned we must align PE/COFF
 463           mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));
 464         } else {
 465           Error (NULL, 0, 3000, "Invalid", "Section address not aligned to its own alignment.");
 466         }
 467       }
 468
 469       //
 470       // Set mDataOffset with the offset of the first '.data' section
 471       //
 472       if (!FoundSection) {
 473         mDataOffset = mCoffOffset;
 474         FoundSection = TRUE;
 475       }
 476       mCoffSectionsOffset[i] = mCoffOffset;
 477       mCoffOffset += (UINT32) shdr->sh_size;
 478       SectionCount ++;
 479     }
 480   }
 481
 482   //
 483   // Make room for .debug data in .data (or .text if .data is empty) instead of
 484   // putting it in a section of its own. This is explicitly allowed by the
 485   // PE/COFF spec, and prevents bloat in the binary when using large values for
 486   // section alignment.
 487   //
 488   if (SectionCount > 0) {
 489     mDebugOffset = DebugRvaAlign(mCoffOffset);
 490   }
 491   mCoffOffset = mDebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY) +
 492                 sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY) +
 493                 strlen(mInImageName) + 1;
 494
 495   mCoffOffset = CoffAlign(mCoffOffset);
 496   if (SectionCount == 0) {
 497     mDataOffset = mCoffOffset;
 498   }
 499
 500   if (SectionCount > 1 && mOutImageType == FW_EFI_IMAGE) {
 501     Warning (NULL, 0, 0, NULL, "Mulitple sections in %s are merged into 1 data section. Source level debug might not work correctly.", mInImageName);
 502   }
 503
 504   //
 505   //  The HII resource sections.
 506   //
 507   mHiiRsrcOffset = mCoffOffset;
 508   for (i = 0; i < mEhdr->e_shnum; i++) {
 509     Elf_Shdr *shdr = GetShdrByIndex(i);
 510     if (IsHiiRsrcShdr(shdr)) {
 511       if ((shdr->sh_addralign != 0) && (shdr->sh_addralign != 1)) {
 512         // the alignment field is valid
 513         if ((shdr->sh_addr & (shdr->sh_addralign - 1)) == 0) {
 514           // if the section address is aligned we must align PE/COFF
 515           mCoffOffset = (UINT32) ((mCoffOffset + shdr->sh_addralign - 1) & ~(shdr->sh_addralign - 1));
 516         } else {
 517           Error (NULL, 0, 3000, "Invalid", "Section address not aligned to its own alignment.");
 518         }
 519       }
 520       if (shdr->sh_size != 0) {
 521         mHiiRsrcOffset = mCoffOffset;
 522         mCoffSectionsOffset[i] = mCoffOffset;
 523         mCoffOffset += (UINT32) shdr->sh_size;
 524         mCoffOffset = CoffAlign(mCoffOffset);
 525         SetHiiResourceHeader ((UINT8*) mEhdr + shdr->sh_offset, mHiiRsrcOffset);
 526       }
 527       break;
 528     }
 529   }
 530
 531   mRelocOffset = mCoffOffset;
 532
 533   //
 534   // Allocate base Coff file.  Will be expanded later for relocations.
 535   //
 536   mCoffFile = (UINT8 *)malloc(mCoffOffset);
 537   if (mCoffFile == NULL) {
 538     Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");
 539   }
 540   assert (mCoffFile != NULL);
 541   memset(mCoffFile, 0, mCoffOffset);
 542
 543   //
 544   // Fill headers.
 545   //
 546   DosHdr = (EFI_IMAGE_DOS_HEADER *)mCoffFile;
 547   DosHdr->e_magic = EFI_IMAGE_DOS_SIGNATURE;
 548   DosHdr->e_lfanew = mNtHdrOffset;
 549
 550   NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION*)(mCoffFile + mNtHdrOffset);
 551
 552   NtHdr->Pe32Plus.Signature = EFI_IMAGE_NT_SIGNATURE;
 553
 554   switch (mEhdr->e_machine) {
 555   case EM_X86_64:
 556     NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;
 557     NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
 558     break;
 559   case EM_IA_64:
 560     NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_IPF;
 561     NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
 562     break;
 563   case EM_AARCH64:
 564     NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_AARCH64;
 565     NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
 566     break;
 567   default:
 568     VerboseMsg ("%s unknown e_machine type. Assume X64", (UINTN)mEhdr->e_machine);
 569     NtHdr->Pe32Plus.FileHeader.Machine = EFI_IMAGE_MACHINE_X64;
 570     NtHdr->Pe32Plus.OptionalHeader.Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
 571   }
 572
 573   NtHdr->Pe32Plus.FileHeader.NumberOfSections = mCoffNbrSections;
 574   NtHdr->Pe32Plus.FileHeader.TimeDateStamp = (UINT32) time(NULL);
 575   mImageTimeStamp = NtHdr->Pe32Plus.FileHeader.TimeDateStamp;
 576   NtHdr->Pe32Plus.FileHeader.PointerToSymbolTable = 0;
 577   NtHdr->Pe32Plus.FileHeader.NumberOfSymbols = 0;
 578   NtHdr->Pe32Plus.FileHeader.SizeOfOptionalHeader = sizeof(NtHdr->Pe32Plus.OptionalHeader);
 579   NtHdr->Pe32Plus.FileHeader.Characteristics = EFI_IMAGE_FILE_EXECUTABLE_IMAGE
 580     | EFI_IMAGE_FILE_LINE_NUMS_STRIPPED
 581     | EFI_IMAGE_FILE_LOCAL_SYMS_STRIPPED
 582     | EFI_IMAGE_FILE_LARGE_ADDRESS_AWARE;
 583
 584   NtHdr->Pe32Plus.OptionalHeader.SizeOfCode = mDataOffset - mTextOffset;
 585   NtHdr->Pe32Plus.OptionalHeader.SizeOfInitializedData = mRelocOffset - mDataOffset;
 586   NtHdr->Pe32Plus.OptionalHeader.SizeOfUninitializedData = 0;
 587   NtHdr->Pe32Plus.OptionalHeader.AddressOfEntryPoint = CoffEntry;
 588
 589   NtHdr->Pe32Plus.OptionalHeader.BaseOfCode = mTextOffset;
 590
 591   NtHdr->Pe32Plus.OptionalHeader.ImageBase = 0;
 592   NtHdr->Pe32Plus.OptionalHeader.SectionAlignment = mCoffAlignment;
 593   NtHdr->Pe32Plus.OptionalHeader.FileAlignment = mCoffAlignment;
 594   NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = 0;
 595
 596   NtHdr->Pe32Plus.OptionalHeader.SizeOfHeaders = mTextOffset;
 597   NtHdr->Pe32Plus.OptionalHeader.NumberOfRvaAndSizes = EFI_IMAGE_NUMBER_OF_DIRECTORY_ENTRIES;
 598
 599   //
 600   // Section headers.
 601   //
 602   if ((mDataOffset - mTextOffset) > 0) {
 603     CreateSectionHeader (".text", mTextOffset, mDataOffset - mTextOffset,
 604             EFI_IMAGE_SCN_CNT_CODE
 605             | EFI_IMAGE_SCN_MEM_EXECUTE
 606             | EFI_IMAGE_SCN_MEM_READ);
 607   } else {
 608     // Don't make a section of size 0.
 609     NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
 610   }
 611
 612   if ((mHiiRsrcOffset - mDataOffset) > 0) {
 613     CreateSectionHeader (".data", mDataOffset, mHiiRsrcOffset - mDataOffset,
 614             EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
 615             | EFI_IMAGE_SCN_MEM_WRITE
 616             | EFI_IMAGE_SCN_MEM_READ);
 617   } else {
 618     // Don't make a section of size 0.
 619     NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
 620   }
 621
 622   if ((mRelocOffset - mHiiRsrcOffset) > 0) {
 623     CreateSectionHeader (".rsrc", mHiiRsrcOffset, mRelocOffset - mHiiRsrcOffset,
 624             EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
 625             | EFI_IMAGE_SCN_MEM_READ);
 626
 627     NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].Size = mRelocOffset - mHiiRsrcOffset;
 628     NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress = mHiiRsrcOffset;
 629   } else {
 630     // Don't make a section of size 0.
 631     NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
 632   }
 633
 634 }
 635
 636 STATIC
 637 BOOLEAN
 638 WriteSections64 (
 639   SECTION_FILTER_TYPES  FilterType
 640   )
 641 {
 642   UINT32      Idx;
 643   Elf_Shdr    *SecShdr;
 644   UINT32      SecOffset;
 645   BOOLEAN     (*Filter)(Elf_Shdr *);
 646
 647   //
 648   // Initialize filter pointer
 649   //
 650   switch (FilterType) {
 651     case SECTION_TEXT:
 652       Filter = IsTextShdr;
 653       break;
 654     case SECTION_HII:
 655       Filter = IsHiiRsrcShdr;
 656       break;
 657     case SECTION_DATA:
 658       Filter = IsDataShdr;
 659       break;
 660     default:
 661       return FALSE;
 662   }
 663
 664   //
 665   // First: copy sections.
 666   //
 667   for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {
 668     Elf_Shdr *Shdr = GetShdrByIndex(Idx);
 669     if ((*Filter)(Shdr)) {
 670       switch (Shdr->sh_type) {
 671       case SHT_PROGBITS:
 672         /* Copy.  */
 673         memcpy(mCoffFile + mCoffSectionsOffset[Idx],
 674               (UINT8*)mEhdr + Shdr->sh_offset,
 675               (size_t) Shdr->sh_size);
 676         break;
 677
 678       case SHT_NOBITS:
 679         memset(mCoffFile + mCoffSectionsOffset[Idx], 0, (size_t) Shdr->sh_size);
 680         break;
 681
 682       default:
 683         //
 684         //  Ignore for unkown section type.
 685         //
 686         VerboseMsg ("%s unknown section type %x. We directly copy this section into Coff file", mInImageName, (unsigned)Shdr->sh_type);
 687         break;
 688       }
 689     }
 690   }
 691
 692   //
 693   // Second: apply relocations.
 694   //
 695   VerboseMsg ("Applying Relocations...");
 696   for (Idx = 0; Idx < mEhdr->e_shnum; Idx++) {
 697     //
 698     // Determine if this is a relocation section.
 699     //
 700     Elf_Shdr *RelShdr = GetShdrByIndex(Idx);
 701     if ((RelShdr->sh_type != SHT_REL) && (RelShdr->sh_type != SHT_RELA)) {
 702       continue;
 703     }
 704
 705     //
 706     // If this is a ET_DYN (PIE) executable, we will encounter a dynamic SHT_RELA
 707     // section that applies to the entire binary, and which will have its section
 708     // index set to #0 (which is a NULL section with the SHF_ALLOC bit cleared).
 709     //
 710     // In the absence of GOT based relocations (which we currently don't support),
 711     // this RELA section will contain redundant R_xxx_RELATIVE relocations, one
 712     // for every R_xxx_xx64 relocation appearing in the per-section RELA sections.
 713     // (i.e., .rela.text and .rela.data)
 714     //
 715     if (RelShdr->sh_info == 0) {
 716       continue;
 717     }
 718
 719     //
 720     // Relocation section found.  Now extract section information that the relocations
 721     // apply to in the ELF data and the new COFF data.
 722     //
 723     SecShdr = GetShdrByIndex(RelShdr->sh_info);
 724     SecOffset = mCoffSectionsOffset[RelShdr->sh_info];
 725
 726     //
 727     // Only process relocations for the current filter type.
 728     //
 729     if (RelShdr->sh_type == SHT_RELA && (*Filter)(SecShdr)) {
 730       UINT64 RelIdx;
 731
 732       //
 733       // Determine the symbol table referenced by the relocation data.
 734       //
 735       Elf_Shdr *SymtabShdr = GetShdrByIndex(RelShdr->sh_link);
 736       UINT8 *Symtab = (UINT8*)mEhdr + SymtabShdr->sh_offset;
 737
 738       //
 739       // Process all relocation entries for this section.
 740       //
 741       for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += (UINT32) RelShdr->sh_entsize) {
 742
 743         //
 744         // Set pointer to relocation entry
 745         //
 746         Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);
 747
 748         //
 749         // Set pointer to symbol table entry associated with the relocation entry.
 750         //
 751         Elf_Sym  *Sym = (Elf_Sym *)(Symtab + ELF_R_SYM(Rel->r_info) * SymtabShdr->sh_entsize);
 752
 753         Elf_Shdr *SymShdr;
 754         UINT8    *Targ;
 755
 756         //
 757         // Check section header index found in symbol table and get the section
 758         // header location.
 759         //
 760         if (Sym->st_shndx == SHN_UNDEF
 761             || Sym->st_shndx >= mEhdr->e_shnum) {
 762           const UINT8 *SymName = GetSymName(Sym);
 763           if (SymName == NULL) {
 764             SymName = (const UINT8 *)"<unknown>";
 765           }
 766
 767           Error (NULL, 0, 3000, "Invalid",
 768                  "%s: Bad definition for symbol '%s'@%#llx or unsupported symbol type.  "
 769                  "For example, absolute and undefined symbols are not supported.",
 770                  mInImageName, SymName, Sym->st_value);
 771
 772           exit(EXIT_FAILURE);
 773         }
 774         SymShdr = GetShdrByIndex(Sym->st_shndx);
 775
 776         //
 777         // Convert the relocation data to a pointer into the coff file.
 778         //
 779         // Note:
 780         //   r_offset is the virtual address of the storage unit to be relocated.
 781         //   sh_addr is the virtual address for the base of the section.
 782         //
 783         //   r_offset in a memory address.
 784         //   Convert it to a pointer in the coff file.
 785         //
 786         Targ = mCoffFile + SecOffset + (Rel->r_offset - SecShdr->sh_addr);
 787
 788         //
 789         // Determine how to handle each relocation type based on the machine type.
 790         //
 791         if (mEhdr->e_machine == EM_X86_64) {
 792           switch (ELF_R_TYPE(Rel->r_info)) {
 793           case R_X86_64_NONE:
 794             break;
 795           case R_X86_64_64:
 796             //
 797             // Absolute relocation.
 798             //
 799             VerboseMsg ("R_X86_64_64");
 800             VerboseMsg ("Offset: 0x%08X, Addend: 0x%016LX",
 801               (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
 802               *(UINT64 *)Targ);
 803             *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];
 804             VerboseMsg ("Relocation:  0x%016LX", *(UINT64*)Targ);
 805             break;
 806           case R_X86_64_32:
 807             VerboseMsg ("R_X86_64_32");
 808             VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",
 809               (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
 810               *(UINT32 *)Targ);
 811             *(UINT32 *)Targ = (UINT32)((UINT64)(*(UINT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);
 812             VerboseMsg ("Relocation:  0x%08X", *(UINT32*)Targ);
 813             break;
 814           case R_X86_64_32S:
 815             VerboseMsg ("R_X86_64_32S");
 816             VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",
 817               (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
 818               *(UINT32 *)Targ);
 819             *(INT32 *)Targ = (INT32)((INT64)(*(INT32 *)Targ) - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx]);
 820             VerboseMsg ("Relocation:  0x%08X", *(UINT32*)Targ);
 821             break;
 822
 823           case R_X86_64_PLT32:
 824             //
 825             // Treat R_X86_64_PLT32 relocations as R_X86_64_PC32: this is
 826             // possible since we know all code symbol references resolve to
 827             // definitions in the same module (UEFI has no shared libraries),
 828             // and so there is never a reason to jump via a PLT entry,
 829             // allowing us to resolve the reference using the symbol directly.
 830             //
 831             VerboseMsg ("Treating R_X86_64_PLT32 as R_X86_64_PC32 ...");
 832             /* fall through */
 833           case R_X86_64_PC32:
 834             //
 835             // Relative relocation: Symbol - Ip + Addend
 836             //
 837             VerboseMsg ("R_X86_64_PC32");
 838             VerboseMsg ("Offset: 0x%08X, Addend: 0x%08X",
 839               (UINT32)(SecOffset + (Rel->r_offset - SecShdr->sh_addr)),
 840               *(UINT32 *)Targ);
 841             *(UINT32 *)Targ = (UINT32) (*(UINT32 *)Targ
 842               + (mCoffSectionsOffset[Sym->st_shndx] - SymShdr->sh_addr)
 843               - (SecOffset - SecShdr->sh_addr));
 844             VerboseMsg ("Relocation:  0x%08X", *(UINT32 *)Targ);
 845             break;
 846           default:
 847             Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
 848           }
 849         } else if (mEhdr->e_machine == EM_AARCH64) {
 850
 851           switch (ELF_R_TYPE(Rel->r_info)) {
 852
 853           case R_AARCH64_ADR_PREL_PG_HI21:
 854             //
 855             // AArch64 PG_H21 relocations are typically paired with ABS_LO12
 856             // relocations, where a PC-relative reference with +/- 4 GB range is
 857             // split into a relative high part and an absolute low part. Since
 858             // the absolute low part represents the offset into a 4 KB page, we
 859             // either have to convert the ADRP into an ADR instruction, or we
 860             // need to use a section alignment of at least 4 KB, so that the
 861             // binary appears at a correct offset at runtime. In any case, we
 862             // have to make sure that the 4 KB relative offsets of both the
 863             // section containing the reference as well as the section to which
 864             // it refers have not been changed during PE/COFF conversion (i.e.,
 865             // in ScanSections64() above).
 866             //
 867             if (mCoffAlignment < 0x1000) {
 868               //
 869               // Attempt to convert the ADRP into an ADR instruction.
 870               // This is only possible if the symbol is within +/- 1 MB.
 871               //
 872               INT64 Offset;
 873
 874               // Decode the ADRP instruction
 875               Offset = (INT32)((*(UINT32 *)Targ & 0xffffe0) << 8);
 876               Offset = (Offset << (6 - 5)) | ((*(UINT32 *)Targ & 0x60000000) >> (29 - 12));
 877
 878               //
 879               // ADRP offset is relative to the previous page boundary,
 880               // whereas ADR offset is relative to the instruction itself.
 881               // So fix up the offset so it points to the page containing
 882               // the symbol.
 883               //
 884               Offset -= (UINTN)(Targ - mCoffFile) & 0xfff;
 885
 886               if (Offset < -0x100000 || Offset > 0xfffff) {
 887                 Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s  due to its size (> 1 MB), this module requires 4 KB section alignment.",
 888                   mInImageName);
 889                 break;
 890               }
 891
 892               // Re-encode the offset as an ADR instruction
 893               *(UINT32 *)Targ &= 0x1000001f;
 894               *(UINT32 *)Targ |= ((Offset & 0x1ffffc) << (5 - 2)) | ((Offset & 0x3) << 29);
 895             }
 896             /* fall through */
 897
 898           case R_AARCH64_ADD_ABS_LO12_NC:
 899           case R_AARCH64_LDST8_ABS_LO12_NC:
 900           case R_AARCH64_LDST16_ABS_LO12_NC:
 901           case R_AARCH64_LDST32_ABS_LO12_NC:
 902           case R_AARCH64_LDST64_ABS_LO12_NC:
 903           case R_AARCH64_LDST128_ABS_LO12_NC:
 904             if (((SecShdr->sh_addr ^ SecOffset) & 0xfff) != 0 ||
 905                 ((SymShdr->sh_addr ^ mCoffSectionsOffset[Sym->st_shndx]) & 0xfff) != 0) {
 906               Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s AARCH64 small code model requires identical ELF and PE/COFF section offsets modulo 4 KB.",
 907                 mInImageName);
 908               break;
 909             }
 910             /* fall through */
 911
 912           case R_AARCH64_ADR_PREL_LO21:
 913           case R_AARCH64_CONDBR19:
 914           case R_AARCH64_LD_PREL_LO19:
 915           case R_AARCH64_CALL26:
 916           case R_AARCH64_JUMP26:
 917           case R_AARCH64_PREL64:
 918           case R_AARCH64_PREL32:
 919           case R_AARCH64_PREL16:
 920             //
 921             // The GCC toolchains (i.e., binutils) may corrupt section relative
 922             // relocations when emitting relocation sections into fully linked
 923             // binaries. More specifically, they tend to fail to take into
 924             // account the fact that a '.rodata + XXX' relocation needs to have
 925             // its addend recalculated once .rodata is merged into the .text
 926             // section, and the relocation emitted into the .rela.text section.
 927             //
 928             // We cannot really recover from this loss of information, so the
 929             // only workaround is to prevent having to recalculate any relative
 930             // relocations at all, by using a linker script that ensures that
 931             // the offset between the Place and the Symbol is the same in both
 932             // the ELF and the PE/COFF versions of the binary.
 933             //
 934             if ((SymShdr->sh_addr - SecShdr->sh_addr) !=
 935                 (mCoffSectionsOffset[Sym->st_shndx] - SecOffset)) {
 936               Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s AARCH64 relative relocations require identical ELF and PE/COFF section offsets",
 937                 mInImageName);
 938             }
 939             break;
 940
 941           // Absolute relocations.
 942           case R_AARCH64_ABS64:
 943             *(UINT64 *)Targ = *(UINT64 *)Targ - SymShdr->sh_addr + mCoffSectionsOffset[Sym->st_shndx];
 944             break;
 945
 946           default:
 947             Error (NULL, 0, 3000, "Invalid", "WriteSections64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
 948           }
 949         } else {
 950           Error (NULL, 0, 3000, "Invalid", "Not a supported machine type");
 951         }
 952       }
 953     }
 954   }
 955
 956   return TRUE;
 957 }
 958
 959 STATIC
 960 VOID
 961 WriteRelocations64 (
 962   VOID
 963   )
 964 {
 965   UINT32                           Index;
 966   EFI_IMAGE_OPTIONAL_HEADER_UNION  *NtHdr;
 967   EFI_IMAGE_DATA_DIRECTORY         *Dir;
 968
 969   for (Index = 0; Index < mEhdr->e_shnum; Index++) {
 970     Elf_Shdr *RelShdr = GetShdrByIndex(Index);
 971     if ((RelShdr->sh_type == SHT_REL) || (RelShdr->sh_type == SHT_RELA)) {
 972       Elf_Shdr *SecShdr = GetShdrByIndex (RelShdr->sh_info);
 973       if (IsTextShdr(SecShdr) || IsDataShdr(SecShdr)) {
 974         UINT64 RelIdx;
 975
 976         for (RelIdx = 0; RelIdx < RelShdr->sh_size; RelIdx += RelShdr->sh_entsize) {
 977           Elf_Rela *Rel = (Elf_Rela *)((UINT8*)mEhdr + RelShdr->sh_offset + RelIdx);
 978
 979           if (mEhdr->e_machine == EM_X86_64) {
 980             switch (ELF_R_TYPE(Rel->r_info)) {
 981             case R_X86_64_NONE:
 982             case R_X86_64_PC32:
 983             case R_X86_64_PLT32:
 984               break;
 985             case R_X86_64_64:
 986               VerboseMsg ("EFI_IMAGE_REL_BASED_DIR64 Offset: 0x%08X",
 987                 mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));
 988               CoffAddFixup(
 989                 (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
 990                 + (Rel->r_offset - SecShdr->sh_addr)),
 991                 EFI_IMAGE_REL_BASED_DIR64);
 992               break;
 993             case R_X86_64_32S:
 994             case R_X86_64_32:
 995               VerboseMsg ("EFI_IMAGE_REL_BASED_HIGHLOW Offset: 0x%08X",
 996                 mCoffSectionsOffset[RelShdr->sh_info] + (Rel->r_offset - SecShdr->sh_addr));
 997               CoffAddFixup(
 998                 (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
 999                 + (Rel->r_offset - SecShdr->sh_addr)),
1000                 EFI_IMAGE_REL_BASED_HIGHLOW);
1001               break;
1002             default:
1003               Error (NULL, 0, 3000, "Invalid", "%s unsupported ELF EM_X86_64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
1004             }
1005           } else if (mEhdr->e_machine == EM_AARCH64) {
1006
1007             switch (ELF_R_TYPE(Rel->r_info)) {
1008             case R_AARCH64_ADR_PREL_LO21:
1009             case R_AARCH64_CONDBR19:
1010             case R_AARCH64_LD_PREL_LO19:
1011             case R_AARCH64_CALL26:
1012             case R_AARCH64_JUMP26:
1013             case R_AARCH64_PREL64:
1014             case R_AARCH64_PREL32:
1015             case R_AARCH64_PREL16:
1016             case R_AARCH64_ADR_PREL_PG_HI21:
1017             case R_AARCH64_ADD_ABS_LO12_NC:
1018             case R_AARCH64_LDST8_ABS_LO12_NC:
1019             case R_AARCH64_LDST16_ABS_LO12_NC:
1020             case R_AARCH64_LDST32_ABS_LO12_NC:
1021             case R_AARCH64_LDST64_ABS_LO12_NC:
1022             case R_AARCH64_LDST128_ABS_LO12_NC:
1023               //
1024               // No fixups are required for relative relocations, provided that
1025               // the relative offsets between sections have been preserved in
1026               // the ELF to PE/COFF conversion. We have already asserted that
1027               // this is the case in WriteSections64 ().
1028               //
1029               break;
1030
1031             case R_AARCH64_ABS64:
1032               CoffAddFixup(
1033                 (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
1034                 + (Rel->r_offset - SecShdr->sh_addr)),
1035                 EFI_IMAGE_REL_BASED_DIR64);
1036               break;
1037
1038             case R_AARCH64_ABS32:
1039               CoffAddFixup(
1040                 (UINT32) ((UINT64) mCoffSectionsOffset[RelShdr->sh_info]
1041                 + (Rel->r_offset - SecShdr->sh_addr)),
1042                 EFI_IMAGE_REL_BASED_HIGHLOW);
1043              break;
1044
1045             default:
1046                 Error (NULL, 0, 3000, "Invalid", "WriteRelocations64(): %s unsupported ELF EM_AARCH64 relocation 0x%x.", mInImageName, (unsigned) ELF_R_TYPE(Rel->r_info));
1047             }
1048           } else {
1049             Error (NULL, 0, 3000, "Not Supported", "This tool does not support relocations for ELF with e_machine %u (processor type).", (unsigned) mEhdr->e_machine);
1050           }
1051         }
1052       }
1053     }
1054   }
1055
1056   //
1057   // Pad by adding empty entries.
1058   //
1059   while (mCoffOffset & (mCoffAlignment - 1)) {
1060     CoffAddFixupEntry(0);
1061   }
1062
1063   NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);
1064   Dir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC];
1065   Dir->Size = mCoffOffset - mRelocOffset;
1066   if (Dir->Size == 0) {
1067     // If no relocations, null out the directory entry and don't add the .reloc section
1068     Dir->VirtualAddress = 0;
1069     NtHdr->Pe32Plus.FileHeader.NumberOfSections--;
1070   } else {
1071     Dir->VirtualAddress = mRelocOffset;
1072     CreateSectionHeader (".reloc", mRelocOffset, mCoffOffset - mRelocOffset,
1073             EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
1074             | EFI_IMAGE_SCN_MEM_DISCARDABLE
1075             | EFI_IMAGE_SCN_MEM_READ);
1076   }
1077 }
1078
1079 STATIC
1080 VOID
1081 WriteDebug64 (
1082   VOID
1083   )
1084 {
1085   UINT32                              Len;
1086   EFI_IMAGE_OPTIONAL_HEADER_UNION     *NtHdr;
1087   EFI_IMAGE_DATA_DIRECTORY            *DataDir;
1088   EFI_IMAGE_DEBUG_DIRECTORY_ENTRY     *Dir;
1089   EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY *Nb10;
1090
1091   Len = strlen(mInImageName) + 1;
1092
1093   Dir = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY*)(mCoffFile + mDebugOffset);
1094   Dir->Type = EFI_IMAGE_DEBUG_TYPE_CODEVIEW;
1095   Dir->SizeOfData = sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY) + Len;
1096   Dir->RVA = mDebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);
1097   Dir->FileOffset = mDebugOffset + sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);
1098
1099   Nb10 = (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY*)(Dir + 1);
1100   Nb10->Signature = CODEVIEW_SIGNATURE_NB10;
1101   strcpy ((char *)(Nb10 + 1), mInImageName);
1102
1103
1104   NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);
1105   DataDir = &NtHdr->Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG];
1106   DataDir->VirtualAddress = mDebugOffset;
1107   DataDir->Size = sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY);
1108 }
1109
1110 STATIC
1111 VOID
1112 SetImageSize64 (
1113   VOID
1114   )
1115 {
1116   EFI_IMAGE_OPTIONAL_HEADER_UNION *NtHdr;
1117
1118   //
1119   // Set image size
1120   //
1121   NtHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)(mCoffFile + mNtHdrOffset);
1122   NtHdr->Pe32Plus.OptionalHeader.SizeOfImage = mCoffOffset;
1123 }
1124
1125 STATIC
1126 VOID
1127 CleanUp64 (
1128   VOID
1129   )
1130 {
1131   if (mCoffSectionsOffset != NULL) {
1132     free (mCoffSectionsOffset);
1133   }
1134 }
1135
1136