3 Copyright (c) 2004, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 Converts a pe32+ image to an FW image type
22 #include "WinNtInclude.h"
25 // List of OS and CPU which support ELF to PE conversion
45 #include <Common/UefiBaseTypes.h>
46 #include <Common/EfiImage.h>
48 #include "CommonLib.h"
49 #include "EfiUtilityMsgs.c"
52 // Version of this utility
54 #define UTILITY_NAME "FwImage"
55 #define UTILITY_MAJOR_VERSION 1
56 #define UTILITY_MINOR_VERSION 0
59 typedef unsigned long ULONG
;
60 typedef unsigned char UCHAR
;
61 typedef unsigned char *PUCHAR
;
62 typedef unsigned short USHORT
;
73 printf ("%s v%d.%d -EDK Utility for Converting a pe32+ image to an FW image type.\n", UTILITY_NAME
, UTILITY_MAJOR_VERSION
, UTILITY_MINOR_VERSION
);
74 printf ("Copyright (c) 1999-2006 Intel Corporation. All rights reserved.\n");
84 printf ("\nUsage: " UTILITY_NAME
" {-t time-date} {-h|--help|-?|/?|-V|--version} \n\
85 [BASE|SEC|PEI_CORE|PEIM|DXE_CORE|DXE_DRIVER|DXE_RUNTIME_DRIVER|\n\
86 DXE_SAL_DRIVER|DXE_SMM_DRIVER|TOOL|UEFI_DRIVER|UEFI_APPLICATION|\n\
87 USER_DEFINED] peimage [outimage]\n");
100 UCHAR Buffer
[8 * 1024];
102 fseek (in
, 0, SEEK_END
);
103 filesize
= ftell (in
);
105 fseek (in
, 0, SEEK_SET
);
106 fseek (out
, 0, SEEK_SET
);
109 while (offset
< filesize
) {
110 length
= sizeof (Buffer
);
111 if (filesize
- offset
< length
) {
112 length
= filesize
- offset
;
115 fread (Buffer
, length
, 1, in
);
116 fwrite (Buffer
, length
, 1, out
);
120 if ((ULONG
) ftell (out
) != filesize
) {
121 Error (NULL
, 0, 0, "write error", NULL
);
125 return STATUS_SUCCESS
;
136 fseek (in
, 0, SEEK_END
);
137 *Length
= ftell (in
);
138 *Buffer
= malloc (*Length
);
139 fseek (in
, 0, SEEK_SET
);
140 fread (*Buffer
, *Length
, 1, in
);
141 return STATUS_SUCCESS
;
152 fseek (out
, 0, SEEK_SET
);
153 fwrite (Buffer
, Length
, 1, out
);
154 if ((ULONG
) ftell (out
) != Length
) {
155 Error (NULL
, 0, 0, "write error", NULL
);
159 return STATUS_SUCCESS
;
168 return (FileBuffer
[EI_MAG0
] == ELFMAG0
169 && FileBuffer
[EI_MAG1
] == ELFMAG1
170 && FileBuffer
[EI_MAG2
] == ELFMAG2
171 && FileBuffer
[EI_MAG3
] == ELFMAG3
);
174 typedef Elf32_Shdr Elf_Shdr
;
175 typedef Elf32_Ehdr Elf_Ehdr
;
176 typedef Elf32_Rel Elf_Rel
;
177 typedef Elf32_Sym Elf_Sym
;
178 #define ELFCLASS ELFCLASS32
179 #define ELF_R_TYPE(r) ELF32_R_TYPE(r)
180 #define ELF_R_SYM(r) ELF32_R_SYM(r)
183 // Well known ELF structures.
189 // PE section alignment.
191 const UINT32 CoffAlignment
= 0x20;
192 const UINT32 CoffNbrSections
= 4;
195 // Current offset in coff file.
200 // Result Coff file in memory.
205 // Offset in Coff file of headers and sections.
214 // ELF sections to offset in Coff file.
216 UINT32
*CoffSectionsOffset
;
218 EFI_IMAGE_BASE_RELOCATION
*CoffBaseRel
;
219 UINT16
*CoffEntryRel
;
226 return (Offset
+ CoffAlignment
- 1) & ~(CoffAlignment
- 1);
234 if (Num
>= Ehdr
->e_shnum
)
236 return (Elf_Shdr
*)((UINT8
*)ShdrBase
+ Num
* Ehdr
->e_shentsize
);
245 // Note: Magic has already been tested.
247 if (Ehdr
->e_ident
[EI_CLASS
] != ELFCLASS
)
249 if (Ehdr
->e_ident
[EI_DATA
] != ELFDATA2LSB
)
251 if (Ehdr
->e_type
!= ET_EXEC
)
253 if (Ehdr
->e_machine
!= EM_386
)
255 if (Ehdr
->e_version
!= EV_CURRENT
)
258 ShdrBase
= (Elf_Shdr
*)((UINT8
*)Ehdr
+ Ehdr
->e_shoff
);
260 CoffSectionsOffset
= (UINT32
*)malloc(Ehdr
->e_shnum
* sizeof (UINT32
));
261 memset(CoffSectionsOffset
, 0, Ehdr
->e_shnum
* sizeof(UINT32
));
270 return (Shdr
->sh_flags
& (SHF_WRITE
| SHF_ALLOC
)) == SHF_ALLOC
;
278 return (Shdr
->sh_flags
& (SHF_WRITE
| SHF_ALLOC
)) == (SHF_ALLOC
| SHF_WRITE
);
289 EFI_IMAGE_SECTION_HEADER
*Hdr
;
290 Hdr
= (EFI_IMAGE_SECTION_HEADER
*)(CoffFile
+ TableOffset
);
292 strcpy(Hdr
->Name
, Name
);
293 Hdr
->Misc
.VirtualSize
= Size
;
294 Hdr
->VirtualAddress
= Offset
;
295 Hdr
->SizeOfRawData
= Size
;
296 Hdr
->PointerToRawData
= Offset
;
297 Hdr
->PointerToRelocations
= 0;
298 Hdr
->PointerToLinenumbers
= 0;
299 Hdr
->NumberOfRelocations
= 0;
300 Hdr
->NumberOfLinenumbers
= 0;
301 Hdr
->Characteristics
= Flags
;
303 TableOffset
+= sizeof (EFI_IMAGE_SECTION_HEADER
);
312 EFI_IMAGE_DOS_HEADER
*DosHdr
;
313 EFI_IMAGE_NT_HEADERS
*NtHdr
;
314 UINT32 CoffEntry
= 0;
319 // Coff file start with a DOS header.
321 CoffOffset
= sizeof(EFI_IMAGE_DOS_HEADER
) + 0x40;
322 NtHdrOffset
= CoffOffset
;
323 CoffOffset
+= sizeof(EFI_IMAGE_NT_HEADERS
);
324 TableOffset
= CoffOffset
;
325 CoffOffset
+= CoffNbrSections
* sizeof(EFI_IMAGE_SECTION_HEADER
);
328 // First text sections.
330 CoffOffset
= CoffAlign(CoffOffset
);
331 TextOffset
= CoffOffset
;
332 for (i
= 0; i
< Ehdr
->e_shnum
; i
++) {
333 Elf_Shdr
*shdr
= GetShdrByIndex(i
);
334 if (IsTextShdr(shdr
)) {
335 /* Relocate entry. */
336 if (Ehdr
->e_entry
>= shdr
->sh_addr
337 && Ehdr
->e_entry
< shdr
->sh_addr
+ shdr
->sh_size
) {
338 CoffEntry
= CoffOffset
+ Ehdr
->e_entry
- shdr
->sh_addr
;
340 CoffSectionsOffset
[i
] = CoffOffset
;
341 CoffOffset
+= shdr
->sh_size
;
344 CoffOffset
= CoffAlign(CoffOffset
);
347 // Then data sections.
349 DataOffset
= CoffOffset
;
350 for (i
= 0; i
< Ehdr
->e_shnum
; i
++) {
351 Elf_Shdr
*shdr
= GetShdrByIndex(i
);
352 if (IsDataShdr(shdr
)) {
353 CoffSectionsOffset
[i
] = CoffOffset
;
354 CoffOffset
+= shdr
->sh_size
;
357 CoffOffset
= CoffAlign(CoffOffset
);
359 RelocOffset
= CoffOffset
;
362 // Allocate base Coff file. Will be expanded later for relocations.
364 CoffFile
= (UINT8
*)malloc(CoffOffset
);
365 memset(CoffFile
, 0, CoffOffset
);
370 DosHdr
= (EFI_IMAGE_DOS_HEADER
*)CoffFile
;
371 DosHdr
->e_magic
= EFI_IMAGE_DOS_SIGNATURE
;
372 DosHdr
->e_lfanew
= NtHdrOffset
;
374 NtHdr
= (EFI_IMAGE_NT_HEADERS
*)(CoffFile
+ NtHdrOffset
);
376 NtHdr
->Signature
= EFI_IMAGE_NT_SIGNATURE
;
378 NtHdr
->FileHeader
.Machine
= EFI_IMAGE_MACHINE_IA32
;
379 NtHdr
->FileHeader
.NumberOfSections
= CoffNbrSections
;
380 NtHdr
->FileHeader
.TimeDateStamp
= time(NULL
);
381 NtHdr
->FileHeader
.PointerToSymbolTable
= 0;
382 NtHdr
->FileHeader
.NumberOfSymbols
= 0;
383 NtHdr
->FileHeader
.SizeOfOptionalHeader
= sizeof(NtHdr
->OptionalHeader
);
384 NtHdr
->FileHeader
.Characteristics
= EFI_IMAGE_FILE_EXECUTABLE_IMAGE
385 | EFI_IMAGE_FILE_LINE_NUMS_STRIPPED
386 | EFI_IMAGE_FILE_LOCAL_SYMS_STRIPPED
387 | EFI_IMAGE_FILE_32BIT_MACHINE
;
389 NtHdr
->OptionalHeader
.Magic
= EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC
;
390 NtHdr
->OptionalHeader
.SizeOfCode
= DataOffset
- TextOffset
;
391 NtHdr
->OptionalHeader
.SizeOfInitializedData
= RelocOffset
- DataOffset
;
392 NtHdr
->OptionalHeader
.SizeOfUninitializedData
= 0;
393 NtHdr
->OptionalHeader
.AddressOfEntryPoint
= CoffEntry
;
394 NtHdr
->OptionalHeader
.BaseOfCode
= TextOffset
;
396 NtHdr
->OptionalHeader
.BaseOfData
= DataOffset
;
397 NtHdr
->OptionalHeader
.ImageBase
= 0;
398 NtHdr
->OptionalHeader
.SectionAlignment
= CoffAlignment
;
399 NtHdr
->OptionalHeader
.FileAlignment
= CoffAlignment
;
400 NtHdr
->OptionalHeader
.SizeOfImage
= 0;
402 NtHdr
->OptionalHeader
.SizeOfHeaders
= TextOffset
;
403 NtHdr
->OptionalHeader
.NumberOfRvaAndSizes
= EFI_IMAGE_NUMBER_OF_DIRECTORY_ENTRIES
;
408 CreateSectionHeader (".text", TextOffset
, DataOffset
- TextOffset
,
409 EFI_IMAGE_SCN_CNT_CODE
410 | EFI_IMAGE_SCN_MEM_EXECUTE
411 | EFI_IMAGE_SCN_MEM_READ
);
412 CreateSectionHeader (".data", DataOffset
, RelocOffset
- DataOffset
,
413 EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
414 | EFI_IMAGE_SCN_MEM_WRITE
415 | EFI_IMAGE_SCN_MEM_READ
);
420 int (*Filter
)(Elf_Shdr
*)
426 // First: copy sections.
428 for (Idx
= 0; Idx
< Ehdr
->e_shnum
; Idx
++) {
429 Elf_Shdr
*Shdr
= GetShdrByIndex(Idx
);
430 if ((*Filter
)(Shdr
)) {
431 switch (Shdr
->sh_type
) {
434 memcpy(CoffFile
+ CoffSectionsOffset
[Idx
],
435 (UINT8
*)Ehdr
+ Shdr
->sh_offset
,
439 memset(CoffFile
+ CoffSectionsOffset
[Idx
], 0, Shdr
->sh_size
);
442 Error (NULL
, 0, 0, InImageName
, "unhandle section type %x",
443 (UINTN
)Shdr
->sh_type
);
449 // Second: apply relocations.
451 for (Idx
= 0; Idx
< Ehdr
->e_shnum
; Idx
++) {
452 Elf_Shdr
*RelShdr
= GetShdrByIndex(Idx
);
453 if (RelShdr
->sh_type
!= SHT_REL
)
455 Elf_Shdr
*SecShdr
= GetShdrByIndex(RelShdr
->sh_info
);
456 UINT32 SecOffset
= CoffSectionsOffset
[RelShdr
->sh_info
];
457 if (RelShdr
->sh_type
== SHT_REL
&& (*Filter
)(SecShdr
)) {
459 Elf_Shdr
*SymtabShdr
= GetShdrByIndex(RelShdr
->sh_link
);
460 UINT8
*Symtab
= (UINT8
*)Ehdr
+ SymtabShdr
->sh_offset
;
462 for (RelIdx
= 0; RelIdx
< RelShdr
->sh_size
; RelIdx
+= RelShdr
->sh_entsize
) {
463 Elf_Rel
*Rel
= (Elf_Rel
*)((UINT8
*)Ehdr
+ RelShdr
->sh_offset
+ RelIdx
);
464 Elf_Sym
*Sym
= (Elf_Sym
*)
465 (Symtab
+ ELF_R_SYM(Rel
->r_info
) * SymtabShdr
->sh_entsize
);
469 if (Sym
->st_shndx
== SHN_UNDEF
470 || Sym
->st_shndx
== SHN_ABS
471 || Sym
->st_shndx
> Ehdr
->e_shnum
) {
472 Error (NULL
, 0, 0, InImageName
, "bad symbol definition");
474 SymShdr
= GetShdrByIndex(Sym
->st_shndx
);
477 // Note: r_offset in a memory address.
478 // Convert it to a pointer in the coff file.
480 Targ
= CoffFile
+ SecOffset
+ (Rel
->r_offset
- SecShdr
->sh_addr
);
482 switch (ELF_R_TYPE(Rel
->r_info
)) {
487 // Absolute relocation.
489 *(UINT32
*)Targ
= *(UINT32
*)Targ
- SymShdr
->sh_addr
490 + CoffSectionsOffset
[Sym
->st_shndx
];
494 // Relative relocation: Symbol - Ip + Addend
496 *(UINT32
*)Targ
= *(UINT32
*)Targ
497 + (CoffSectionsOffset
[Sym
->st_shndx
] - SymShdr
->sh_addr
)
498 - (SecOffset
- SecShdr
->sh_addr
);
501 Error (NULL
, 0, 0, InImageName
, "unhandled relocation type %x",
502 ELF_R_TYPE(Rel
->r_info
));
516 CoffBaseRel
->SizeOfBlock
+= 2;
526 if (CoffBaseRel
== NULL
527 || CoffBaseRel
->VirtualAddress
!= (Offset
& ~0xfff)) {
528 if (CoffBaseRel
!= NULL
) {
530 // Add a null entry (is it required ?)
532 CoffAddFixupEntry (0);
534 // Pad for alignment.
536 if (CoffOffset
% 4 != 0)
537 CoffAddFixupEntry (0);
542 CoffOffset
+ sizeof(EFI_IMAGE_BASE_RELOCATION
) + 2*0x1000);
543 memset(CoffFile
+ CoffOffset
, 0,
544 sizeof(EFI_IMAGE_BASE_RELOCATION
) + 2*0x1000);
546 CoffBaseRel
= (EFI_IMAGE_BASE_RELOCATION
*)(CoffFile
+ CoffOffset
);
547 CoffBaseRel
->VirtualAddress
= Offset
& ~0xfff;
548 CoffBaseRel
->SizeOfBlock
= sizeof(EFI_IMAGE_BASE_RELOCATION
);
550 CoffEntryRel
= (UINT16
*)(CoffBaseRel
+ 1);
551 CoffOffset
+= sizeof(EFI_IMAGE_BASE_RELOCATION
);
557 CoffAddFixupEntry((Type
<< 12) | (Offset
& 0xfff));
566 EFI_IMAGE_NT_HEADERS
*NtHdr
;
567 EFI_IMAGE_DATA_DIRECTORY
*Dir
;
569 for (Idx
= 0; Idx
< Ehdr
->e_shnum
; Idx
++) {
570 Elf_Shdr
*RelShdr
= GetShdrByIndex(Idx
);
571 if (RelShdr
->sh_type
== SHT_REL
) {
572 Elf_Shdr
*SecShdr
= GetShdrByIndex(RelShdr
->sh_info
);
573 if (IsTextShdr(SecShdr
) || IsDataShdr(SecShdr
)) {
575 for (RelIdx
= 0; RelIdx
< RelShdr
->sh_size
; RelIdx
+= RelShdr
->sh_entsize
) {
576 Elf_Rel
*Rel
= (Elf_Rel
*)
577 ((UINT8
*)Ehdr
+ RelShdr
->sh_offset
+ RelIdx
);
578 switch (ELF_R_TYPE(Rel
->r_info
)) {
583 CoffAddFixup(CoffSectionsOffset
[RelShdr
->sh_info
]
584 + (Rel
->r_offset
- SecShdr
->sh_addr
),
585 EFI_IMAGE_REL_BASED_HIGHLOW
);
588 Error (NULL
, 0, 0, InImageName
, "unhandled relocation type %x",
589 ELF_R_TYPE(Rel
->r_info
));
597 // Pad by adding empty entries.
599 while (CoffOffset
& (CoffAlignment
- 1)) {
600 CoffAddFixupEntry(0);
603 CreateSectionHeader (".reloc", RelocOffset
, CoffOffset
- RelocOffset
,
604 EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
605 | EFI_IMAGE_SCN_MEM_DISCARDABLE
606 | EFI_IMAGE_SCN_MEM_READ
);
608 NtHdr
= (EFI_IMAGE_NT_HEADERS
*)(CoffFile
+ NtHdrOffset
);
609 Dir
= &NtHdr
->OptionalHeader
.DataDirectory
[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC
];
610 Dir
->VirtualAddress
= RelocOffset
;
611 Dir
->Size
= CoffOffset
- RelocOffset
;
619 UINT32 Len
= strlen(InImageName
) + 1;
620 UINT32 DebugOffset
= CoffOffset
;
621 EFI_IMAGE_NT_HEADERS
*NtHdr
;
622 EFI_IMAGE_DATA_DIRECTORY
*DataDir
;
623 EFI_IMAGE_DEBUG_DIRECTORY_ENTRY
*Dir
;
624 EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY
*Nb10
;
626 CoffOffset
+= sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY
)
627 + sizeof(EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY
)
629 CoffOffset
= CoffAlign(CoffOffset
);
632 (CoffFile
, CoffOffset
);
633 memset(CoffFile
+ DebugOffset
, 0, CoffOffset
- DebugOffset
);
635 Dir
= (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY
*)(CoffFile
+ DebugOffset
);
636 Dir
->Type
= EFI_IMAGE_DEBUG_TYPE_CODEVIEW
;
637 Dir
->SizeOfData
= sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY
) + Len
;
638 Dir
->RVA
= DebugOffset
+ sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY
);
639 Dir
->FileOffset
= DebugOffset
+ sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY
);
641 Nb10
= (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY
*)(Dir
+ 1);
642 Nb10
->Signature
= CODEVIEW_SIGNATURE_NB10
;
643 strcpy ((PUCHAR
)(Nb10
+ 1), InImageName
);
645 CreateSectionHeader (".debug", DebugOffset
, CoffOffset
- DebugOffset
,
646 EFI_IMAGE_SCN_CNT_INITIALIZED_DATA
647 | EFI_IMAGE_SCN_MEM_DISCARDABLE
648 | EFI_IMAGE_SCN_MEM_READ
);
650 NtHdr
= (EFI_IMAGE_NT_HEADERS
*)(CoffFile
+ NtHdrOffset
);
651 DataDir
= &NtHdr
->OptionalHeader
.DataDirectory
[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG
];
652 DataDir
->VirtualAddress
= DebugOffset
;
653 DataDir
->Size
= CoffOffset
- DebugOffset
;
662 EFI_IMAGE_NT_HEADERS
*NtHdr
;
665 // Check header, read section table.
667 Ehdr
= (Elf32_Ehdr
*)*FileBuffer
;
668 if (!CheckElfHeader())
672 // Compute sections new address.
677 // Write and relocate sections.
679 WriteSections(IsTextShdr
);
680 WriteSections(IsDataShdr
);
683 // Translate and write relocations.
692 NtHdr
= (EFI_IMAGE_NT_HEADERS
*)(CoffFile
+ NtHdrOffset
);
693 NtHdr
->OptionalHeader
.SizeOfImage
= CoffOffset
;
699 *FileBuffer
= CoffFile
;
700 *FileLength
= CoffOffset
;
717 argc - Number of command line parameters.
718 argv - Array of pointers to command line parameter strings.
721 STATUS_SUCCESS - Utility exits successfully.
722 STATUS_ERROR - Some error occurred during execution.
735 EFI_IMAGE_DOS_HEADER
*DosHdr
;
736 EFI_IMAGE_NT_HEADERS
*PeHdr
;
737 EFI_IMAGE_OPTIONAL_HEADER32
*Optional32
;
738 EFI_IMAGE_OPTIONAL_HEADER64
*Optional64
;
740 struct tm TimeStruct
;
741 EFI_IMAGE_DOS_HEADER BackupDosHdr
;
746 BOOLEAN TimeStampPresent
;
747 UINTN AllignedRelocSize
;
749 EFI_IMAGE_SECTION_HEADER
*SectionHeader
;
752 RUNTIME_FUNCTION
*RuntimeFunction
;
753 UNWIND_INFO
*UnwindInfo
;
755 SetUtilityName (UTILITY_NAME
);
757 // Assign to fix compile warning
763 TimeStampPresent
= FALSE
;
770 if ((strcmp(argv
[1], "-h") == 0) || (strcmp(argv
[1], "--help") == 0) ||
771 (strcmp(argv
[1], "-?") == 0) || (strcmp(argv
[1], "/?") == 0)) {
776 if ((strcmp(argv
[1], "-V") == 0) || (strcmp(argv
[1], "--version") == 0)) {
782 // Look for -t time-date option first. If the time is "0", then
785 if ((argc
> 2) && !strcmp (argv
[1], "-t")) {
786 TimeStampPresent
= TRUE
;
787 if (strcmp (argv
[2], "0") != 0) {
789 // Convert the string to a value
791 memset ((char *) &TimeStruct
, 0, sizeof (TimeStruct
));
793 argv
[2], "%d/%d/%d,%d:%d:%d",
794 &TimeStruct
.tm_mon
, /* months since January - [0,11] */
795 &TimeStruct
.tm_mday
, /* day of the month - [1,31] */
796 &TimeStruct
.tm_year
, /* years since 1900 */
797 &TimeStruct
.tm_hour
, /* hours since midnight - [0,23] */
798 &TimeStruct
.tm_min
, /* minutes after the hour - [0,59] */
799 &TimeStruct
.tm_sec
/* seconds after the minute - [0,59] */
801 Error (NULL
, 0, 0, argv
[2], "failed to convert to mm/dd/yyyy,hh:mm:ss format");
805 // Now fixup some of the fields
808 TimeStruct
.tm_year
-= 1900;
810 // Sanity-check values?
813 TimeStamp
= mktime (&TimeStruct
);
814 if (TimeStamp
== (time_t) - 1) {
815 Error (NULL
, 0, 0, argv
[2], "failed to convert time");
820 // Skip over the args
826 // Check for enough args
833 InImageName
= argv
[2];
836 OutImageName
= argv
[3];
839 // Get new image type
842 if (*p
== '/' || *p
== '\\') {
846 if (stricmp (p
, "app") == 0 || stricmp (p
, "UEFI_APPLICATION") == 0) {
847 Type
= EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION
;
850 } else if (stricmp (p
, "bsdrv") == 0 || stricmp (p
, "DXE_DRIVER") == 0) {
851 Type
= EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
;
854 } else if (stricmp (p
, "rtdrv") == 0 || stricmp (p
, "DXE_RUNTIME_DRIVER") == 0) {
855 Type
= EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER
;
858 } else if (stricmp (p
, "rtdrv") == 0 || stricmp (p
, "DXE_SAL_DRIVER") == 0) {
859 Type
= EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER
;
861 } else if (stricmp (p
, "SEC") == 0) {
862 Type
= EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
;
864 } else if (stricmp (p
, "peim") == 0 ||
865 stricmp (p
, "BASE") == 0 ||
866 stricmp (p
, "PEI_CORE") == 0 ||
867 stricmp (p
, "PEIM") == 0 ||
868 stricmp (p
, "DXE_SMM_DRIVER") == 0 ||
869 stricmp (p
, "TOOL") == 0 ||
870 stricmp (p
, "UEFI_APPLICATION") == 0 ||
871 stricmp (p
, "USER_DEFINED") == 0 ||
872 stricmp (p
, "UEFI_DRIVER") == 0 ||
873 stricmp (p
, "DXE_CORE") == 0
875 Type
= EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
;
885 fpIn
= fopen (InImageName
, "rb");
887 Error (NULL
, 0, 0, InImageName
, "failed to open input file for reading");
891 FReadFile (fpIn
, (VOID
**)&FileBuffer
, &FileLength
);
894 if (IsElfHeader(FileBuffer
)) {
895 ConvertElf(&FileBuffer
, &FileLength
);
899 // Read the dos & pe hdrs of the image
901 DosHdr
= (EFI_IMAGE_DOS_HEADER
*)FileBuffer
;
902 if (DosHdr
->e_magic
!= EFI_IMAGE_DOS_SIGNATURE
) {
903 Error (NULL
, 0, 0, InImageName
, "DOS header signature not found in source image");
908 PeHdr
= (EFI_IMAGE_NT_HEADERS
*)(FileBuffer
+ DosHdr
->e_lfanew
);
909 if (PeHdr
->Signature
!= EFI_IMAGE_NT_SIGNATURE
) {
910 Error (NULL
, 0, 0, InImageName
, "PE header signature not found in source image");
918 strcpy (outname
, InImageName
);
920 for (p
= outname
; *p
; p
++) {
933 OutImageName
= outname
;
936 fpOut
= fopen (OutImageName
, "w+b");
938 Error (NULL
, 0, 0, OutImageName
, "could not open output file for writing");
944 // Zero all unused fields of the DOS header
946 memcpy (&BackupDosHdr
, DosHdr
, sizeof (EFI_IMAGE_DOS_HEADER
));
947 memset (DosHdr
, 0, sizeof (EFI_IMAGE_DOS_HEADER
));
948 DosHdr
->e_magic
= BackupDosHdr
.e_magic
;
949 DosHdr
->e_lfanew
= BackupDosHdr
.e_lfanew
;
951 for (Index
= sizeof (EFI_IMAGE_DOS_HEADER
); Index
< (ULONG
) DosHdr
->e_lfanew
; Index
++) {
952 FileBuffer
[Index
] = DosHdr
->e_cp
;
956 // Patch the PE header
958 PeHdr
->OptionalHeader
.Subsystem
= (USHORT
) Type
;
959 if (TimeStampPresent
) {
960 PeHdr
->FileHeader
.TimeDateStamp
= (UINT32
) TimeStamp
;
963 if (PeHdr
->OptionalHeader
.Magic
== EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC
) {
964 Optional32
= (EFI_IMAGE_OPTIONAL_HEADER32
*)&PeHdr
->OptionalHeader
;
965 Optional32
->MajorLinkerVersion
= 0;
966 Optional32
->MinorLinkerVersion
= 0;
967 Optional32
->MajorOperatingSystemVersion
= 0;
968 Optional32
->MinorOperatingSystemVersion
= 0;
969 Optional32
->MajorImageVersion
= 0;
970 Optional32
->MinorImageVersion
= 0;
971 Optional32
->MajorSubsystemVersion
= 0;
972 Optional32
->MinorSubsystemVersion
= 0;
973 Optional32
->Win32VersionValue
= 0;
974 Optional32
->CheckSum
= 0;
975 Optional32
->SizeOfStackReserve
= 0;
976 Optional32
->SizeOfStackCommit
= 0;
977 Optional32
->SizeOfHeapReserve
= 0;
978 Optional32
->SizeOfHeapCommit
= 0;
981 // Strip zero padding at the end of the .reloc section
983 if (Optional32
->NumberOfRvaAndSizes
>= 6) {
984 if (Optional32
->DataDirectory
[5].Size
!= 0) {
985 SectionHeader
= (EFI_IMAGE_SECTION_HEADER
*)(FileBuffer
+ DosHdr
->e_lfanew
+ sizeof(UINT32
) + sizeof (EFI_IMAGE_FILE_HEADER
) + PeHdr
->FileHeader
.SizeOfOptionalHeader
);
986 for (Index
= 0; Index
< PeHdr
->FileHeader
.NumberOfSections
; Index
++, SectionHeader
++) {
988 // Look for the Section Header that starts as the same virtual address as the Base Relocation Data Directory
990 if (SectionHeader
->VirtualAddress
== Optional32
->DataDirectory
[5].VirtualAddress
) {
991 SectionHeader
->Misc
.VirtualSize
= Optional32
->DataDirectory
[5].Size
;
992 AllignedRelocSize
= (Optional32
->DataDirectory
[5].Size
+ Optional32
->FileAlignment
- 1) & (~(Optional32
->FileAlignment
- 1));
994 // Check to see if there is zero padding at the end of the base relocations
996 if (AllignedRelocSize
< SectionHeader
->SizeOfRawData
) {
998 // Check to see if the base relocations are at the end of the file
1000 if (SectionHeader
->PointerToRawData
+ SectionHeader
->SizeOfRawData
== Optional32
->SizeOfImage
) {
1002 // All the required conditions are met to strip the zero padding of the end of the base relocations section
1004 Optional32
->SizeOfImage
-= (SectionHeader
->SizeOfRawData
- AllignedRelocSize
);
1005 Optional32
->SizeOfInitializedData
-= (SectionHeader
->SizeOfRawData
- AllignedRelocSize
);
1006 SectionHeader
->SizeOfRawData
= AllignedRelocSize
;
1007 FileLength
= Optional32
->SizeOfImage
;
1015 if (PeHdr
->OptionalHeader
.Magic
== EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC
) {
1016 Optional64
= (EFI_IMAGE_OPTIONAL_HEADER64
*)&PeHdr
->OptionalHeader
;
1017 Optional64
->MajorLinkerVersion
= 0;
1018 Optional64
->MinorLinkerVersion
= 0;
1019 Optional64
->MajorOperatingSystemVersion
= 0;
1020 Optional64
->MinorOperatingSystemVersion
= 0;
1021 Optional64
->MajorImageVersion
= 0;
1022 Optional64
->MinorImageVersion
= 0;
1023 Optional64
->MajorSubsystemVersion
= 0;
1024 Optional64
->MinorSubsystemVersion
= 0;
1025 Optional64
->Win32VersionValue
= 0;
1026 Optional64
->CheckSum
= 0;
1027 Optional64
->SizeOfStackReserve
= 0;
1028 Optional64
->SizeOfStackCommit
= 0;
1029 Optional64
->SizeOfHeapReserve
= 0;
1030 Optional64
->SizeOfHeapCommit
= 0;
1033 // Zero the .pdata section if the machine type is X64 and the Debug Directory is empty
1035 if (PeHdr
->FileHeader
.Machine
== 0x8664) { // X64
1036 if (Optional64
->NumberOfRvaAndSizes
>= 4) {
1037 if (Optional64
->NumberOfRvaAndSizes
< 7 || (Optional64
->NumberOfRvaAndSizes
>= 7 && Optional64
->DataDirectory
[6].Size
== 0)) {
1038 SectionHeader
= (EFI_IMAGE_SECTION_HEADER
*)(FileBuffer
+ DosHdr
->e_lfanew
+ sizeof(UINT32
) + sizeof (EFI_IMAGE_FILE_HEADER
) + PeHdr
->FileHeader
.SizeOfOptionalHeader
);
1039 for (Index
= 0; Index
< PeHdr
->FileHeader
.NumberOfSections
; Index
++, SectionHeader
++) {
1040 if (SectionHeader
->VirtualAddress
== Optional64
->DataDirectory
[3].VirtualAddress
) {
1041 RuntimeFunction
= (RUNTIME_FUNCTION
*)(FileBuffer
+ SectionHeader
->PointerToRawData
);
1042 for (Index1
= 0; Index1
< Optional64
->DataDirectory
[3].Size
/ sizeof (RUNTIME_FUNCTION
); Index1
++, RuntimeFunction
++) {
1043 SectionHeader
= (EFI_IMAGE_SECTION_HEADER
*)(FileBuffer
+ DosHdr
->e_lfanew
+ sizeof(UINT32
) + sizeof (EFI_IMAGE_FILE_HEADER
) + PeHdr
->FileHeader
.SizeOfOptionalHeader
);
1044 for (Index2
= 0; Index2
< PeHdr
->FileHeader
.NumberOfSections
; Index2
++, SectionHeader
++) {
1045 if (RuntimeFunction
->UnwindInfoAddress
> SectionHeader
->VirtualAddress
&& RuntimeFunction
->UnwindInfoAddress
< (SectionHeader
->VirtualAddress
+ SectionHeader
->SizeOfRawData
)) {
1046 UnwindInfo
= (UNWIND_INFO
*)(FileBuffer
+ SectionHeader
->PointerToRawData
+ (RuntimeFunction
->UnwindInfoAddress
- SectionHeader
->VirtualAddress
));
1047 if (UnwindInfo
->Version
== 1) {
1048 memset (UnwindInfo
+ 1, 0, UnwindInfo
->CountOfUnwindCodes
* sizeof (UINT16
));
1049 memset (UnwindInfo
, 0, sizeof (UNWIND_INFO
));
1053 memset (RuntimeFunction
, 0, sizeof (RUNTIME_FUNCTION
));
1059 Optional64
->DataDirectory
[3].Size
= 0;
1060 Optional64
->DataDirectory
[3].VirtualAddress
= 0;
1066 // Strip zero padding at the end of the .reloc section
1068 if (Optional64
->NumberOfRvaAndSizes
>= 6) {
1069 if (Optional64
->DataDirectory
[5].Size
!= 0) {
1070 SectionHeader
= (EFI_IMAGE_SECTION_HEADER
*)(FileBuffer
+ DosHdr
->e_lfanew
+ sizeof(UINT32
) + sizeof (EFI_IMAGE_FILE_HEADER
) + PeHdr
->FileHeader
.SizeOfOptionalHeader
);
1071 for (Index
= 0; Index
< PeHdr
->FileHeader
.NumberOfSections
; Index
++, SectionHeader
++) {
1073 // Look for the Section Header that starts as the same virtual address as the Base Relocation Data Directory
1075 if (SectionHeader
->VirtualAddress
== Optional64
->DataDirectory
[5].VirtualAddress
) {
1076 SectionHeader
->Misc
.VirtualSize
= Optional64
->DataDirectory
[5].Size
;
1077 AllignedRelocSize
= (Optional64
->DataDirectory
[5].Size
+ Optional64
->FileAlignment
- 1) & (~(Optional64
->FileAlignment
- 1));
1079 // Check to see if there is zero padding at the end of the base relocations
1081 if (AllignedRelocSize
< SectionHeader
->SizeOfRawData
) {
1083 // Check to see if the base relocations are at the end of the file
1085 if (SectionHeader
->PointerToRawData
+ SectionHeader
->SizeOfRawData
== Optional64
->SizeOfImage
) {
1087 // All the required conditions are met to strip the zero padding of the end of the base relocations section
1089 Optional64
->SizeOfImage
-= (SectionHeader
->SizeOfRawData
- AllignedRelocSize
);
1090 Optional64
->SizeOfInitializedData
-= (SectionHeader
->SizeOfRawData
- AllignedRelocSize
);
1091 SectionHeader
->SizeOfRawData
= AllignedRelocSize
;
1092 FileLength
= Optional64
->SizeOfImage
;
1101 FWriteFile (fpOut
, FileBuffer
, FileLength
);
1109 // printf ("Created %s\n", OutImageName);
1111 return STATUS_SUCCESS
;