2 * TCCPE.C - PE file output for the Tiny C Compiler
4 * Copyright (c) 2005-2007 grischka
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #define ST_DATA static
28 #define stricmp strcasecmp
29 #define strnicmp strncasecmp
37 // #define PE_PRINT_SECTIONS
39 #ifdef TCC_TARGET_X86_64
40 # define ADDR3264 ULONGLONG
42 # define ADDR3264 DWORD
45 #if defined _WIN32 && (defined _WIN64) == (defined TCC_TARGET_X86_64)
50 void dbg_printf (const char *fmt
, ...)
56 x
= vsprintf (buffer
, fmt
, arg
);
57 strcpy(buffer
+x
, "\n");
58 OutputDebugString(buffer
);
62 /* ----------------------------------------------------------- */
63 #ifndef IMAGE_NT_SIGNATURE
64 /* ----------------------------------------------------------- */
65 /* definitions below are from winnt.h */
67 typedef unsigned char BYTE
;
68 typedef unsigned short WORD
;
69 typedef unsigned long DWORD
;
70 typedef unsigned long long ULONGLONG
;
73 typedef struct _IMAGE_DOS_HEADER
{ /* DOS .EXE header */
74 WORD e_magic
; /* Magic number */
75 WORD e_cblp
; /* Bytes on last page of file */
76 WORD e_cp
; /* Pages in file */
77 WORD e_crlc
; /* Relocations */
78 WORD e_cparhdr
; /* Size of header in paragraphs */
79 WORD e_minalloc
; /* Minimum extra paragraphs needed */
80 WORD e_maxalloc
; /* Maximum extra paragraphs needed */
81 WORD e_ss
; /* Initial (relative) SS value */
82 WORD e_sp
; /* Initial SP value */
83 WORD e_csum
; /* Checksum */
84 WORD e_ip
; /* Initial IP value */
85 WORD e_cs
; /* Initial (relative) CS value */
86 WORD e_lfarlc
; /* File address of relocation table */
87 WORD e_ovno
; /* Overlay number */
88 WORD e_res
[4]; /* Reserved words */
89 WORD e_oemid
; /* OEM identifier (for e_oeminfo) */
90 WORD e_oeminfo
; /* OEM information; e_oemid specific */
91 WORD e_res2
[10]; /* Reserved words */
92 DWORD e_lfanew
; /* File address of new exe header */
93 } IMAGE_DOS_HEADER
, *PIMAGE_DOS_HEADER
;
95 #define IMAGE_NT_SIGNATURE 0x00004550 /* PE00 */
96 #define SIZE_OF_NT_SIGNATURE 4
98 typedef struct _IMAGE_FILE_HEADER
{
100 WORD NumberOfSections
;
102 DWORD PointerToSymbolTable
;
103 DWORD NumberOfSymbols
;
104 WORD SizeOfOptionalHeader
;
105 WORD Characteristics
;
106 } IMAGE_FILE_HEADER
, *PIMAGE_FILE_HEADER
;
109 #define IMAGE_SIZEOF_FILE_HEADER 20
111 typedef struct _IMAGE_DATA_DIRECTORY
{
112 DWORD VirtualAddress
;
114 } IMAGE_DATA_DIRECTORY
, *PIMAGE_DATA_DIRECTORY
;
117 typedef struct _IMAGE_OPTIONAL_HEADER
{
118 /* Standard fields. */
120 BYTE MajorLinkerVersion
;
121 BYTE MinorLinkerVersion
;
123 DWORD SizeOfInitializedData
;
124 DWORD SizeOfUninitializedData
;
125 DWORD AddressOfEntryPoint
;
127 #ifndef TCC_TARGET_X86_64
130 /* NT additional fields. */
132 DWORD SectionAlignment
;
134 WORD MajorOperatingSystemVersion
;
135 WORD MinorOperatingSystemVersion
;
136 WORD MajorImageVersion
;
137 WORD MinorImageVersion
;
138 WORD MajorSubsystemVersion
;
139 WORD MinorSubsystemVersion
;
140 DWORD Win32VersionValue
;
145 WORD DllCharacteristics
;
146 ADDR3264 SizeOfStackReserve
;
147 ADDR3264 SizeOfStackCommit
;
148 ADDR3264 SizeOfHeapReserve
;
149 ADDR3264 SizeOfHeapCommit
;
151 DWORD NumberOfRvaAndSizes
;
152 IMAGE_DATA_DIRECTORY DataDirectory
[16];
153 } IMAGE_OPTIONAL_HEADER32
, IMAGE_OPTIONAL_HEADER64
, IMAGE_OPTIONAL_HEADER
;
155 #define IMAGE_DIRECTORY_ENTRY_EXPORT 0 /* Export Directory */
156 #define IMAGE_DIRECTORY_ENTRY_IMPORT 1 /* Import Directory */
157 #define IMAGE_DIRECTORY_ENTRY_RESOURCE 2 /* Resource Directory */
158 #define IMAGE_DIRECTORY_ENTRY_EXCEPTION 3 /* Exception Directory */
159 #define IMAGE_DIRECTORY_ENTRY_SECURITY 4 /* Security Directory */
160 #define IMAGE_DIRECTORY_ENTRY_BASERELOC 5 /* Base Relocation Table */
161 #define IMAGE_DIRECTORY_ENTRY_DEBUG 6 /* Debug Directory */
162 /* IMAGE_DIRECTORY_ENTRY_COPYRIGHT 7 (X86 usage) */
163 #define IMAGE_DIRECTORY_ENTRY_ARCHITECTURE 7 /* Architecture Specific Data */
164 #define IMAGE_DIRECTORY_ENTRY_GLOBALPTR 8 /* RVA of GP */
165 #define IMAGE_DIRECTORY_ENTRY_TLS 9 /* TLS Directory */
166 #define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG 10 /* Load Configuration Directory */
167 #define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT 11 /* Bound Import Directory in headers */
168 #define IMAGE_DIRECTORY_ENTRY_IAT 12 /* Import Address Table */
169 #define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT 13 /* Delay Load Import Descriptors */
170 #define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR 14 /* COM Runtime descriptor */
172 /* Section header format. */
173 #define IMAGE_SIZEOF_SHORT_NAME 8
175 typedef struct _IMAGE_SECTION_HEADER
{
176 BYTE Name
[IMAGE_SIZEOF_SHORT_NAME
];
178 DWORD PhysicalAddress
;
181 DWORD VirtualAddress
;
183 DWORD PointerToRawData
;
184 DWORD PointerToRelocations
;
185 DWORD PointerToLinenumbers
;
186 WORD NumberOfRelocations
;
187 WORD NumberOfLinenumbers
;
188 DWORD Characteristics
;
189 } IMAGE_SECTION_HEADER
, *PIMAGE_SECTION_HEADER
;
191 #define IMAGE_SIZEOF_SECTION_HEADER 40
193 typedef struct _IMAGE_EXPORT_DIRECTORY
{
194 DWORD Characteristics
;
200 DWORD NumberOfFunctions
;
202 DWORD AddressOfFunctions
;
203 DWORD AddressOfNames
;
204 DWORD AddressOfNameOrdinals
;
205 } IMAGE_EXPORT_DIRECTORY
,*PIMAGE_EXPORT_DIRECTORY
;
207 typedef struct _IMAGE_IMPORT_DESCRIPTOR
{
209 DWORD Characteristics
;
210 DWORD OriginalFirstThunk
;
213 DWORD ForwarderChain
;
216 } IMAGE_IMPORT_DESCRIPTOR
;
218 typedef struct _IMAGE_BASE_RELOCATION
{
219 DWORD VirtualAddress
;
221 // WORD TypeOffset[1];
222 } IMAGE_BASE_RELOCATION
;
224 #define IMAGE_SIZEOF_BASE_RELOCATION 8
226 #define IMAGE_REL_BASED_ABSOLUTE 0
227 #define IMAGE_REL_BASED_HIGH 1
228 #define IMAGE_REL_BASED_LOW 2
229 #define IMAGE_REL_BASED_HIGHLOW 3
230 #define IMAGE_REL_BASED_HIGHADJ 4
231 #define IMAGE_REL_BASED_MIPS_JMPADDR 5
232 #define IMAGE_REL_BASED_SECTION 6
233 #define IMAGE_REL_BASED_REL32 7
237 /* ----------------------------------------------------------- */
238 #endif /* ndef IMAGE_NT_SIGNATURE */
239 /* ----------------------------------------------------------- */
240 #pragma pack(push, 1)
244 IMAGE_DOS_HEADER doshdr
;
247 IMAGE_FILE_HEADER filehdr
;
248 #ifdef TCC_TARGET_X86_64
249 IMAGE_OPTIONAL_HEADER64 opthdr
;
252 IMAGE_OPTIONAL_HEADER32 opthdr
;
254 IMAGE_OPTIONAL_HEADER opthdr
;
259 struct pe_reloc_header
{
264 struct pe_rsrc_header
{
265 struct _IMAGE_FILE_HEADER filehdr
;
266 struct _IMAGE_SECTION_HEADER sectionhdr
;
269 struct pe_rsrc_reloc
{
277 /* ------------------------------------------------------------- */
278 /* internal temporary structures */
281 #define IMAGE_SCN_CNT_CODE 0x00000020
282 #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040
283 #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080
284 #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000
285 #define IMAGE_SCN_MEM_SHARED 0x10000000
286 #define IMAGE_SCN_MEM_EXECUTE 0x20000000
287 #define IMAGE_SCN_MEM_READ 0x40000000
288 #define IMAGE_SCN_MEM_WRITE 0x80000000
303 ST_DATA
const DWORD pe_sec_flags
[] = {
304 0x60000020, /* ".text" , */
305 0xC0000040, /* ".data" , */
306 0xC0000080, /* ".bss" , */
307 0x40000040, /* ".idata" , */
308 0xE0000060, /* < other > , */
309 0x40000040, /* ".rsrc" , */
310 0x42000802, /* ".stab" , */
311 0x42000040, /* ".reloc" , */
314 struct section_info
{
322 IMAGE_SECTION_HEADER ish
;
325 struct import_symbol
{
331 struct pe_import_info
{
334 struct import_symbol
**symbols
;
341 const char *filename
;
355 struct section_info
*sec_info
;
357 struct pe_import_info
**imp_info
;
367 /* --------------------------------------------*/
369 ST_FN
const char* get_alt_symbol(char *buffer
, const char *symbol
)
372 p
= strrchr(symbol
, '@');
373 if (p
&& isnum(p
[1]) && symbol
[0] == '_') { /* stdcall decor */
374 strcpy(buffer
, symbol
+1)[p
-symbol
-1] = 0;
375 } else if (symbol
[0] != '_') { /* try non-ansi function */
376 buffer
[0] = '_', strcpy(buffer
+ 1, symbol
);
377 } else if (0 == memcmp(symbol
, "__imp__", 7)) { /* mingw 2.0 */
378 strcpy(buffer
, symbol
+ 6);
379 } else if (0 == memcmp(symbol
, "_imp___", 7)) { /* mingw 3.7 */
380 strcpy(buffer
, symbol
+ 6);
387 ST_FN
int pe_find_import(TCCState
* s1
, const char *symbol
)
391 int sym_index
, n
= 0;
393 s
= n
? get_alt_symbol(buffer
, symbol
) : symbol
;
394 sym_index
= find_elf_sym(s1
->dynsymtab_section
, s
);
395 // printf("find (%d) %d %s\n", n, sym_index, s);
396 } while (0 == sym_index
&& ++n
< 2);
400 /*----------------------------------------------------------------------------*/
402 ST_FN
int dynarray_assoc(void **pp
, int n
, int key
)
405 for (i
= 0; i
< n
; ++i
, ++pp
)
406 if (key
== **(int **) pp
)
412 ST_FN DWORD
umin(DWORD a
, DWORD b
)
414 return a
< b
? a
: b
;
418 ST_FN DWORD
umax(DWORD a
, DWORD b
)
420 return a
< b
? b
: a
;
423 ST_FN DWORD
pe_file_align(struct pe_info
*pe
, DWORD n
)
425 return (n
+ (pe
->file_align
- 1)) & ~(pe
->file_align
- 1);
428 ST_FN DWORD
pe_virtual_align(struct pe_info
*pe
, DWORD n
)
430 return (n
+ (pe
->section_align
- 1)) & ~(pe
->section_align
- 1);
433 ST_FN
void pe_align_section(Section
*s
, int a
)
435 int i
= s
->data_offset
& (a
-1);
437 section_ptr_add(s
, a
- i
);
440 ST_FN
void pe_set_datadir(struct pe_header
*hdr
, int dir
, DWORD addr
, DWORD size
)
442 hdr
->opthdr
.DataDirectory
[dir
].VirtualAddress
= addr
;
443 hdr
->opthdr
.DataDirectory
[dir
].Size
= size
;
446 ST_FN
int pe_fwrite(void *data
, unsigned len
, FILE *fp
, DWORD
*psum
)
452 for (i
= len
; i
> 0; i
-= 2) {
453 sum
+= (i
>= 2) ? *p
++ : *(BYTE
*)p
;
454 sum
= (sum
+ (sum
>> 16)) & 0xFFFF;
458 return len
== fwrite(data
, 1, len
, fp
) ? 0 : -1;
461 ST_FN
void pe_fpad(FILE *fp
, DWORD new_pos
)
463 DWORD pos
= ftell(fp
);
464 while (++pos
<= new_pos
)
468 /*----------------------------------------------------------------------------*/
469 ST_FN
int pe_write(struct pe_info
*pe
)
471 static const struct pe_header pe_template
= {
473 /* IMAGE_DOS_HEADER doshdr */
474 0x5A4D, /*WORD e_magic; Magic number */
475 0x0090, /*WORD e_cblp; Bytes on last page of file */
476 0x0003, /*WORD e_cp; Pages in file */
477 0x0000, /*WORD e_crlc; Relocations */
479 0x0004, /*WORD e_cparhdr; Size of header in paragraphs */
480 0x0000, /*WORD e_minalloc; Minimum extra paragraphs needed */
481 0xFFFF, /*WORD e_maxalloc; Maximum extra paragraphs needed */
482 0x0000, /*WORD e_ss; Initial (relative) SS value */
484 0x00B8, /*WORD e_sp; Initial SP value */
485 0x0000, /*WORD e_csum; Checksum */
486 0x0000, /*WORD e_ip; Initial IP value */
487 0x0000, /*WORD e_cs; Initial (relative) CS value */
488 0x0040, /*WORD e_lfarlc; File address of relocation table */
489 0x0000, /*WORD e_ovno; Overlay number */
490 {0,0,0,0}, /*WORD e_res[4]; Reserved words */
491 0x0000, /*WORD e_oemid; OEM identifier (for e_oeminfo) */
492 0x0000, /*WORD e_oeminfo; OEM information; e_oemid specific */
493 {0,0,0,0,0,0,0,0,0,0}, /*WORD e_res2[10]; Reserved words */
494 0x00000080 /*DWORD e_lfanew; File address of new exe header */
496 /* BYTE dosstub[0x40] */
497 /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */
498 0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,0x4c,0xcd,0x21,0x54,0x68,
499 0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,0x20,0x63,0x61,0x6e,0x6e,0x6f,
500 0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,0x69,0x6e,0x20,0x44,0x4f,0x53,0x20,
501 0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0d,0x0a,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
503 0x00004550, /* DWORD nt_sig = IMAGE_NT_SIGNATURE */
505 /* IMAGE_FILE_HEADER filehdr */
506 #if defined(TCC_TARGET_I386)
507 0x014C, /*WORD Machine; */
508 #elif defined(TCC_TARGET_X86_64)
509 0x8664, /*WORD Machine; */
510 #elif defined(TCC_TARGET_ARM)
511 0x01C0, /*WORD Machine; */
513 0x0003, /*WORD NumberOfSections; */
514 0x00000000, /*DWORD TimeDateStamp; */
515 0x00000000, /*DWORD PointerToSymbolTable; */
516 0x00000000, /*DWORD NumberOfSymbols; */
517 #if defined(TCC_TARGET_X86_64)
518 0x00F0, /*WORD SizeOfOptionalHeader; */
519 0x022F /*WORD Characteristics; */
520 #define CHARACTERISTICS_DLL 0x222E
521 #elif defined(TCC_TARGET_I386)
522 0x00E0, /*WORD SizeOfOptionalHeader; */
523 0x030F /*WORD Characteristics; */
524 #define CHARACTERISTICS_DLL 0x230E
525 #elif defined(TCC_TARGET_ARM)
526 0x00E0, /*WORD SizeOfOptionalHeader; */
527 0x010F, /*WORD Characteristics; */
528 #define CHARACTERISTICS_DLL 0x230F
531 /* IMAGE_OPTIONAL_HEADER opthdr */
532 /* Standard fields. */
533 #ifdef TCC_TARGET_X86_64
534 0x020B, /*WORD Magic; */
536 0x010B, /*WORD Magic; */
538 0x06, /*BYTE MajorLinkerVersion; */
539 0x00, /*BYTE MinorLinkerVersion; */
540 0x00000000, /*DWORD SizeOfCode; */
541 0x00000000, /*DWORD SizeOfInitializedData; */
542 0x00000000, /*DWORD SizeOfUninitializedData; */
543 0x00000000, /*DWORD AddressOfEntryPoint; */
544 0x00000000, /*DWORD BaseOfCode; */
545 #ifndef TCC_TARGET_X86_64
546 0x00000000, /*DWORD BaseOfData; */
548 /* NT additional fields. */
549 #if defined(TCC_TARGET_ARM)
550 0x00100000, /*DWORD ImageBase; */
552 0x00400000, /*DWORD ImageBase; */
554 0x00001000, /*DWORD SectionAlignment; */
555 0x00000200, /*DWORD FileAlignment; */
556 0x0004, /*WORD MajorOperatingSystemVersion; */
557 0x0000, /*WORD MinorOperatingSystemVersion; */
558 0x0000, /*WORD MajorImageVersion; */
559 0x0000, /*WORD MinorImageVersion; */
560 0x0004, /*WORD MajorSubsystemVersion; */
561 0x0000, /*WORD MinorSubsystemVersion; */
562 0x00000000, /*DWORD Win32VersionValue; */
563 0x00000000, /*DWORD SizeOfImage; */
564 0x00000200, /*DWORD SizeOfHeaders; */
565 0x00000000, /*DWORD CheckSum; */
566 0x0002, /*WORD Subsystem; */
567 0x0000, /*WORD DllCharacteristics; */
568 0x00100000, /*DWORD SizeOfStackReserve; */
569 0x00001000, /*DWORD SizeOfStackCommit; */
570 0x00100000, /*DWORD SizeOfHeapReserve; */
571 0x00001000, /*DWORD SizeOfHeapCommit; */
572 0x00000000, /*DWORD LoaderFlags; */
573 0x00000010, /*DWORD NumberOfRvaAndSizes; */
575 /* IMAGE_DATA_DIRECTORY DataDirectory[16]; */
576 {{0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0},
577 {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}}
580 struct pe_header pe_header
= pe_template
;
584 DWORD file_offset
, sum
;
585 struct section_info
*si
;
586 IMAGE_SECTION_HEADER
*psh
;
588 op
= fopen(pe
->filename
, "wb");
590 error_noabort("could not write '%s': %s", pe
->filename
, strerror(errno
));
594 pe
->sizeofheaders
= pe_file_align(pe
,
595 sizeof (struct pe_header
)
596 + pe
->sec_count
* sizeof (IMAGE_SECTION_HEADER
)
599 file_offset
= pe
->sizeofheaders
;
601 if (2 == pe
->s1
->verbose
)
602 printf("-------------------------------"
603 "\n virt file size section" "\n");
604 for (i
= 0; i
< pe
->sec_count
; ++i
) {
605 unsigned long addr
, size
;
608 si
= pe
->sec_info
+ i
;
610 addr
= si
->sh_addr
- pe
->imagebase
;
614 if (2 == pe
->s1
->verbose
)
615 printf("%6lx %6lx %6lx %s\n",
616 addr
, file_offset
, size
, sh_name
);
620 pe_header
.opthdr
.BaseOfCode
= addr
;
621 pe_header
.opthdr
.AddressOfEntryPoint
= addr
+ pe
->start_addr
;
625 #ifndef TCC_TARGET_X86_64
626 pe_header
.opthdr
.BaseOfData
= addr
;
634 pe_set_datadir(&pe_header
, IMAGE_DIRECTORY_ENTRY_BASERELOC
, addr
, size
);
638 pe_set_datadir(&pe_header
, IMAGE_DIRECTORY_ENTRY_RESOURCE
, addr
, size
);
645 if (pe
->thunk
== pe
->s1
->sections
[si
->ord
]) {
647 pe_set_datadir(&pe_header
, IMAGE_DIRECTORY_ENTRY_IMPORT
,
648 pe
->imp_offs
+ addr
, pe
->imp_size
);
649 pe_set_datadir(&pe_header
, IMAGE_DIRECTORY_ENTRY_IAT
,
650 pe
->iat_offs
+ addr
, pe
->iat_size
);
653 pe_set_datadir(&pe_header
, IMAGE_DIRECTORY_ENTRY_EXPORT
,
654 pe
->exp_offs
+ addr
, pe
->exp_size
);
658 strcpy((char*)psh
->Name
, sh_name
);
660 psh
->Characteristics
= pe_sec_flags
[si
->cls
];
661 psh
->VirtualAddress
= addr
;
662 psh
->Misc
.VirtualSize
= size
;
663 pe_header
.opthdr
.SizeOfImage
=
664 umax(pe_virtual_align(pe
, size
+ addr
), pe_header
.opthdr
.SizeOfImage
);
667 psh
->PointerToRawData
= file_offset
;
668 file_offset
= pe_file_align(pe
, file_offset
+ si
->data_size
);
669 psh
->SizeOfRawData
= file_offset
- psh
->PointerToRawData
;
673 //pe_header.filehdr.TimeDateStamp = time(NULL);
674 pe_header
.filehdr
.NumberOfSections
= pe
->sec_count
;
675 pe_header
.opthdr
.SizeOfHeaders
= pe
->sizeofheaders
;
676 pe_header
.opthdr
.ImageBase
= pe
->imagebase
;
677 if (PE_DLL
== pe
->type
)
678 pe_header
.filehdr
.Characteristics
= CHARACTERISTICS_DLL
;
679 else if (PE_GUI
!= pe
->type
)
680 pe_header
.opthdr
.Subsystem
= 3;
683 pe_fwrite(&pe_header
, sizeof pe_header
, op
, &sum
);
684 for (i
= 0; i
< pe
->sec_count
; ++i
)
685 pe_fwrite(&pe
->sec_info
[i
].ish
, sizeof(IMAGE_SECTION_HEADER
), op
, &sum
);
686 pe_fpad(op
, pe
->sizeofheaders
);
687 for (i
= 0; i
< pe
->sec_count
; ++i
) {
688 si
= pe
->sec_info
+ i
;
691 pe_fwrite(si
->data
, si
->data_size
, op
, &sum
);
692 file_offset
= psh
->PointerToRawData
+ psh
->SizeOfRawData
;
693 pe_fpad(op
, file_offset
);
697 pe_header
.opthdr
.CheckSum
= sum
+ file_offset
;
698 fseek(op
, offsetof(struct pe_header
, opthdr
.CheckSum
), SEEK_SET
);
699 pe_fwrite(&pe_header
.opthdr
.CheckSum
, sizeof pe_header
.opthdr
.CheckSum
, op
, NULL
);
702 if (2 == pe
->s1
->verbose
)
703 printf("-------------------------------\n");
705 printf("<- %s (%lu bytes)\n", pe
->filename
, file_offset
);
710 /*----------------------------------------------------------------------------*/
712 #if defined(TCC_TARGET_X86_64)
713 #define ELFW_R_(type) ELF64_R_##type
714 #define ElfW_Rel ElfW(Rela)
716 #define REL_TYPE_DIRECT R_X86_64_64
717 #define R_XXX_THUNKFIX R_X86_64_PC32
718 #define R_XXX_RELATIVE R_X86_64_RELATIVE
720 #define ELFW_ST_BIND ELF64_ST_BIND
721 #define ELFW_ST_TYPE ELF64_ST_TYPE
722 #define ELFW_ST_INFO ELF64_ST_INFO
723 #elif defined(TCC_TARGET_I386)
724 #define ELFW_R_(type) ELF32_R_##type
725 #define ElfW_Rel ElfW(Rel)
727 #define REL_TYPE_DIRECT R_386_32
728 #define R_XXX_THUNKFIX R_386_32
729 #define R_XXX_RELATIVE R_386_RELATIVE
731 #define ELFW_ST_BIND ELF32_ST_BIND
732 #define ELFW_ST_TYPE ELF32_ST_TYPE
733 #define ELFW_ST_INFO ELF32_ST_INFO
734 #elif defined(TCC_TARGET_ARM)
735 #define ELFW_R_(type) ELF32_R_##type
736 #define ElfW_Rel ElfW(Rel)
738 #define REL_TYPE_DIRECT R_ARM_ABS32
739 #define R_XXX_THUNKFIX R_ARM_ABS32
740 #define R_XXX_RELATIVE R_ARM_RELATIVE
742 #define ELFW_ST_BIND ELF32_ST_BIND
743 #define ELFW_ST_TYPE ELF32_ST_TYPE
744 #define ELFW_ST_INFO ELF32_ST_INFO
746 /*----------------------------------------------------------------------------*/
748 ST_FN
struct import_symbol
*pe_add_import(struct pe_info
*pe
, int sym_index
)
752 struct pe_import_info
*p
;
753 struct import_symbol
*s
;
755 dll_index
= ((ElfW(Sym
) *)pe
->s1
->dynsymtab_section
->data
+ sym_index
)->st_value
;
759 i
= dynarray_assoc ((void**)pe
->imp_info
, pe
->imp_count
, dll_index
);
764 p
= tcc_mallocz(sizeof *p
);
765 p
->dll_index
= dll_index
;
766 dynarray_add((void***)&pe
->imp_info
, &pe
->imp_count
, p
);
769 i
= dynarray_assoc ((void**)p
->symbols
, p
->sym_count
, sym_index
);
771 return p
->symbols
[i
];
773 s
= tcc_mallocz(sizeof *s
);
774 dynarray_add((void***)&p
->symbols
, &p
->sym_count
, s
);
775 s
->sym_index
= sym_index
;
779 /*----------------------------------------------------------------------------*/
780 ST_FN
void pe_build_imports(struct pe_info
*pe
)
782 int thk_ptr
, ent_ptr
, dll_ptr
, sym_cnt
, i
;
783 DWORD rva_base
= pe
->thunk
->sh_addr
- pe
->imagebase
;
784 int ndlls
= pe
->imp_count
;
786 for (sym_cnt
= i
= 0; i
< ndlls
; ++i
)
787 sym_cnt
+= pe
->imp_info
[i
]->sym_count
;
792 pe_align_section(pe
->thunk
, 16);
794 pe
->imp_offs
= dll_ptr
= pe
->thunk
->data_offset
;
795 pe
->imp_size
= (ndlls
+ 1) * sizeof(IMAGE_IMPORT_DESCRIPTOR
);
796 pe
->iat_offs
= dll_ptr
+ pe
->imp_size
;
797 pe
->iat_size
= (sym_cnt
+ ndlls
) * sizeof(ADDR3264
);
798 section_ptr_add(pe
->thunk
, pe
->imp_size
+ 2*pe
->iat_size
);
800 thk_ptr
= pe
->iat_offs
;
801 ent_ptr
= pe
->iat_offs
+ pe
->iat_size
;
803 for (i
= 0; i
< pe
->imp_count
; ++i
) {
804 IMAGE_IMPORT_DESCRIPTOR
*hdr
;
807 struct pe_import_info
*p
= pe
->imp_info
[i
];
808 const char *name
= pe
->s1
->loaded_dlls
[p
->dll_index
-1]->name
;
810 /* put the dll name into the import header */
811 v
= put_elf_str(pe
->thunk
, name
);
813 hdr
= (IMAGE_IMPORT_DESCRIPTOR
*)(pe
->thunk
->data
+ dll_ptr
);
814 hdr
->FirstThunk
= thk_ptr
+ rva_base
;
815 hdr
->OriginalFirstThunk
= ent_ptr
+ rva_base
;
816 hdr
->Name
= v
+ rva_base
;
818 for (k
= 0, n
= p
->sym_count
; k
<= n
; ++k
) {
820 int iat_index
= p
->symbols
[k
]->iat_index
;
821 int sym_index
= p
->symbols
[k
]->sym_index
;
822 ElfW(Sym
) *imp_sym
= (ElfW(Sym
) *)pe
->s1
->dynsymtab_section
->data
+ sym_index
;
823 ElfW(Sym
) *org_sym
= (ElfW(Sym
) *)symtab_section
->data
+ iat_index
;
824 const char *name
= pe
->s1
->dynsymtab_section
->link
->data
+ imp_sym
->st_name
;
826 org_sym
->st_value
= thk_ptr
;
827 org_sym
->st_shndx
= pe
->thunk
->sh_num
;
828 v
= pe
->thunk
->data_offset
+ rva_base
;
829 section_ptr_add(pe
->thunk
, sizeof(WORD
)); /* hint, not used */
830 put_elf_str(pe
->thunk
, name
);
832 if (pe
->type
== PE_RUN
) {
833 DLLReference
*dllref
= pe
->s1
->loaded_dlls
[imp_sym
->st_value
-1];
834 if ( !dllref
->handle
)
835 dllref
->handle
= LoadLibrary(dllref
->name
);
836 v
= (ADDR3264
)GetProcAddress(dllref
->handle
, name
);
838 error_noabort("undefined symbol '%s'", name
);
842 v
= 0; /* last entry is zero */
844 *(ADDR3264
*)(pe
->thunk
->data
+thk_ptr
) =
845 *(ADDR3264
*)(pe
->thunk
->data
+ent_ptr
) = v
;
846 thk_ptr
+= sizeof (ADDR3264
);
847 ent_ptr
+= sizeof (ADDR3264
);
849 dll_ptr
+= sizeof(IMAGE_IMPORT_DESCRIPTOR
);
850 dynarray_reset(&p
->symbols
, &p
->sym_count
);
852 dynarray_reset(&pe
->imp_info
, &pe
->imp_count
);
855 /* ------------------------------------------------------------- */
857 For now only functions are exported. Export of data
858 would work, but import requires compiler support to
859 do an additional indirection.
862 __declspec(dllimport) extern int something;
864 needs to be translated to:
875 ST_FN
int sym_cmp(const void *va
, const void *vb
)
877 const char *ca
= (*(struct pe_sort_sym
**)va
)->name
;
878 const char *cb
= (*(struct pe_sort_sym
**)vb
)->name
;
879 return strcmp(ca
, cb
);
882 ST_FN
void pe_build_exports(struct pe_info
*pe
)
885 int sym_index
, sym_end
;
886 DWORD rva_base
, func_o
, name_o
, ord_o
, str_o
;
887 IMAGE_EXPORT_DIRECTORY
*hdr
;
889 struct pe_sort_sym
**sorted
, *p
;
896 rva_base
= pe
->thunk
->sh_addr
- pe
->imagebase
;
897 sym_count
= 0, sorted
= NULL
, op
= NULL
;
899 sym_end
= symtab_section
->data_offset
/ sizeof(ElfW(Sym
));
900 for (sym_index
= 1; sym_index
< sym_end
; ++sym_index
) {
901 sym
= (ElfW(Sym
)*)symtab_section
->data
+ sym_index
;
902 name
= symtab_section
->link
->data
+ sym
->st_name
;
903 if ((sym
->st_other
& 1)
904 /* export only symbols from actually written sections */
905 && pe
->s1
->sections
[sym
->st_shndx
]->sh_addr
) {
906 p
= tcc_malloc(sizeof *p
);
907 p
->index
= sym_index
;
909 dynarray_add((void***)&sorted
, &sym_count
, p
);
912 if (sym
->st_other
& 1)
913 printf("export: %s\n", name
);
914 if (sym
->st_other
& 2)
915 printf("stdcall: %s\n", name
);
922 qsort (sorted
, sym_count
, sizeof *sorted
, sym_cmp
);
924 pe_align_section(pe
->thunk
, 16);
925 dllname
= tcc_basename(pe
->filename
);
927 pe
->exp_offs
= pe
->thunk
->data_offset
;
928 func_o
= pe
->exp_offs
+ sizeof(IMAGE_EXPORT_DIRECTORY
);
929 name_o
= func_o
+ sym_count
* sizeof (DWORD
);
930 ord_o
= name_o
+ sym_count
* sizeof (DWORD
);
931 str_o
= ord_o
+ sym_count
* sizeof(WORD
);
933 hdr
= section_ptr_add(pe
->thunk
, str_o
- pe
->exp_offs
);
934 hdr
->Characteristics
= 0;
936 hdr
->NumberOfFunctions
= sym_count
;
937 hdr
->NumberOfNames
= sym_count
;
938 hdr
->AddressOfFunctions
= func_o
+ rva_base
;
939 hdr
->AddressOfNames
= name_o
+ rva_base
;
940 hdr
->AddressOfNameOrdinals
= ord_o
+ rva_base
;
941 hdr
->Name
= str_o
+ rva_base
;
942 put_elf_str(pe
->thunk
, dllname
);
945 /* automatically write exports to <output-filename>.def */
946 strcpy(buf
, pe
->filename
);
947 strcpy(tcc_fileextension(buf
), ".def");
948 op
= fopen(buf
, "w");
950 error_noabort("could not create '%s': %s", buf
, strerror(errno
));
952 fprintf(op
, "LIBRARY %s\n\nEXPORTS\n", dllname
);
954 printf("<- %s (%d symbols)\n", buf
, sym_count
);
958 for (ord
= 0; ord
< sym_count
; ++ord
)
960 p
= sorted
[ord
], sym_index
= p
->index
, name
= p
->name
;
961 /* insert actual address later in pe_relocate_rva */
962 put_elf_reloc(symtab_section
, pe
->thunk
,
963 func_o
, R_XXX_RELATIVE
, sym_index
);
964 *(DWORD
*)(pe
->thunk
->data
+ name_o
)
965 = pe
->thunk
->data_offset
+ rva_base
;
966 *(WORD
*)(pe
->thunk
->data
+ ord_o
)
968 put_elf_str(pe
->thunk
, name
);
969 func_o
+= sizeof (DWORD
);
970 name_o
+= sizeof (DWORD
);
971 ord_o
+= sizeof (WORD
);
973 fprintf(op
, "%s\n", name
);
975 pe
->exp_size
= pe
->thunk
->data_offset
- pe
->exp_offs
;
976 dynarray_reset(&sorted
, &sym_count
);
981 /* ------------------------------------------------------------- */
982 ST_FN
void pe_build_reloc (struct pe_info
*pe
)
984 DWORD offset
, block_ptr
, addr
;
986 ElfW_Rel
*rel
, *rel_end
;
987 Section
*s
= NULL
, *sr
;
989 offset
= addr
= block_ptr
= count
= i
= 0;
990 rel
= rel_end
= NULL
;
994 int type
= ELFW_R_(TYPE
)(rel
->r_info
);
995 addr
= rel
->r_offset
+ s
->sh_addr
;
997 if (type
!= REL_TYPE_DIRECT
)
999 if (count
== 0) { /* new block */
1000 block_ptr
= pe
->reloc
->data_offset
;
1001 section_ptr_add(pe
->reloc
, sizeof(struct pe_reloc_header
));
1002 offset
= addr
& 0xFFFFFFFF<<12;
1004 if ((addr
-= offset
) < (1<<12)) { /* one block spans 4k addresses */
1005 WORD
*wp
= section_ptr_add(pe
->reloc
, sizeof (WORD
));
1006 *wp
= addr
| IMAGE_REL_BASED_HIGHLOW
<<12;
1012 } else if (i
< pe
->sec_count
) {
1013 sr
= (s
= pe
->s1
->sections
[pe
->sec_info
[i
++].ord
])->reloc
;
1015 rel
= (ElfW_Rel
*)sr
->data
;
1016 rel_end
= (ElfW_Rel
*)(sr
->data
+ sr
->data_offset
);
1022 /* store the last block and ready for a new one */
1023 struct pe_reloc_header
*hdr
;
1024 if (count
& 1) /* align for DWORDS */
1025 section_ptr_add(pe
->reloc
, sizeof(WORD
)), ++count
;
1026 hdr
= (struct pe_reloc_header
*)(pe
->reloc
->data
+ block_ptr
);
1027 hdr
-> offset
= offset
- pe
->imagebase
;
1028 hdr
-> size
= count
* sizeof(WORD
) + sizeof(struct pe_reloc_header
);
1037 /* ------------------------------------------------------------- */
1038 ST_FN
int pe_section_class(Section
*s
)
1044 flags
= s
->sh_flags
;
1046 if (flags
& SHF_ALLOC
) {
1047 if (type
== SHT_PROGBITS
) {
1048 if (flags
& SHF_EXECINSTR
)
1050 if (flags
& SHF_WRITE
)
1052 if (0 == strcmp(name
, ".rsrc"))
1054 if (0 == strcmp(name
, ".iedat"))
1057 } else if (type
== SHT_NOBITS
) {
1058 if (flags
& SHF_WRITE
)
1062 if (0 == strcmp(name
, ".reloc"))
1064 if (0 == strncmp(name
, ".stab", 5)) /* .stab and .stabstr */
1070 ST_FN
int pe_assign_addresses (struct pe_info
*pe
)
1075 struct section_info
*si
;
1078 // pe->thunk = new_section(pe->s1, ".iedat", SHT_PROGBITS, SHF_ALLOC);
1080 section_order
= tcc_malloc(pe
->s1
->nb_sections
* sizeof (int));
1081 for (o
= k
= 0 ; k
< sec_last
; ++k
) {
1082 for (i
= 1; i
< pe
->s1
->nb_sections
; ++i
) {
1083 s
= pe
->s1
->sections
[i
];
1084 if (k
== pe_section_class(s
)) {
1085 // printf("%s %d\n", s->name, k);
1086 s
->sh_addr
= pe
->imagebase
;
1087 section_order
[o
++] = i
;
1092 pe
->sec_info
= tcc_mallocz(o
* sizeof (struct section_info
));
1093 addr
= pe
->imagebase
+ 1;
1095 for (i
= 0; i
< o
; ++i
)
1097 k
= section_order
[i
];
1098 s
= pe
->s1
->sections
[k
];
1099 c
= pe_section_class(s
);
1100 si
= &pe
->sec_info
[pe
->sec_count
];
1102 #ifdef PE_MERGE_DATA
1103 if (c
== sec_bss
&& pe
->sec_count
&& si
[-1].cls
== sec_data
) {
1104 /* append .bss to .data */
1105 s
->sh_addr
= addr
= ((addr
-1) | 15) + 1;
1106 addr
+= s
->data_offset
;
1107 si
[-1].sh_size
= addr
- si
[-1].sh_addr
;
1111 strcpy(si
->name
, s
->name
);
1114 si
->sh_addr
= s
->sh_addr
= addr
= pe_virtual_align(pe
, addr
);
1115 si
->sh_flags
= s
->sh_flags
;
1117 if (c
== sec_data
&& NULL
== pe
->thunk
)
1120 if (s
== pe
->thunk
) {
1121 pe_build_imports(pe
);
1122 pe_build_exports(pe
);
1126 pe_build_reloc (pe
);
1130 if (s
->sh_type
!= SHT_NOBITS
) {
1132 si
->data_size
= s
->data_offset
;
1135 addr
+= s
->data_offset
;
1136 si
->sh_size
= s
->data_offset
;
1139 // printf("%08x %05x %s\n", si->sh_addr, si->sh_size, si->name);
1143 for (i
= 1; i
< pe
->s1
->nb_sections
; ++i
) {
1144 Section
*s
= pe
->s1
->sections
[i
];
1145 int type
= s
->sh_type
;
1146 int flags
= s
->sh_flags
;
1147 printf("section %-16s %-10s %5x %s,%s,%s\n",
1149 type
== SHT_PROGBITS
? "progbits" :
1150 type
== SHT_NOBITS
? "nobits" :
1151 type
== SHT_SYMTAB
? "symtab" :
1152 type
== SHT_STRTAB
? "strtab" :
1153 type
== SHT_RELX
? "rel" : "???",
1155 flags
& SHF_ALLOC
? "alloc" : "",
1156 flags
& SHF_WRITE
? "write" : "",
1157 flags
& SHF_EXECINSTR
? "exec" : ""
1160 pe
->s1
->verbose
= 2;
1163 tcc_free(section_order
);
1167 /* ------------------------------------------------------------- */
1168 ST_FN
void pe_relocate_rva (struct pe_info
*pe
, Section
*s
)
1170 Section
*sr
= s
->reloc
;
1171 ElfW_Rel
*rel
, *rel_end
;
1172 rel_end
= (ElfW_Rel
*)(sr
->data
+ sr
->data_offset
);
1173 for(rel
= (ElfW_Rel
*)sr
->data
; rel
< rel_end
; rel
++) {
1174 if (ELFW_R_(TYPE
)(rel
->r_info
) == R_XXX_RELATIVE
) {
1175 int sym_index
= ELFW_R_(SYM
)(rel
->r_info
);
1176 DWORD addr
= s
->sh_addr
;
1178 ElfW(Sym
) *sym
= (ElfW(Sym
) *)symtab_section
->data
+ sym_index
;
1179 addr
= sym
->st_value
;
1181 // printf("reloc rva %08x %08x\n", (DWORD)rel->r_offset, addr);
1182 *(DWORD
*)(s
->data
+ rel
->r_offset
) += addr
- pe
->imagebase
;
1187 /*----------------------------------------------------------------------------*/
1188 ST_FN
int pe_check_symbols(struct pe_info
*pe
)
1191 int sym_index
, sym_end
;
1194 pe_align_section(text_section
, 8);
1196 sym_end
= symtab_section
->data_offset
/ sizeof(ElfW(Sym
));
1197 for (sym_index
= 1; sym_index
< sym_end
; ++sym_index
) {
1199 sym
= (ElfW(Sym
) *)symtab_section
->data
+ sym_index
;
1200 if (sym
->st_shndx
== SHN_UNDEF
) {
1202 const char *name
= symtab_section
->link
->data
+ sym
->st_name
;
1203 unsigned type
= ELFW_ST_TYPE(sym
->st_info
);
1204 int imp_sym
= pe_find_import(pe
->s1
, name
);
1205 struct import_symbol
*is
;
1209 is
= pe_add_import(pe
, imp_sym
);
1213 if (type
== STT_FUNC
) {
1214 unsigned long offset
= is
->thk_offset
;
1216 /* got aliased symbol, like stricmp and _stricmp */
1222 offset
= text_section
->data_offset
;
1223 /* add the 'jmp IAT[x]' instruction */
1224 p
= section_ptr_add(text_section
, 8);
1226 #ifdef TCC_TARGET_X86_64
1227 *(DWORD
*)(p
+1) = (DWORD
)-4;
1229 /* add a helper symbol, will be patched later in
1231 sprintf(buffer
, "IAT.%s", name
);
1232 is
->iat_index
= put_elf_sym(
1233 symtab_section
, 0, sizeof(DWORD
),
1234 ELFW_ST_INFO(STB_GLOBAL
, STT_OBJECT
),
1235 0, SHN_UNDEF
, buffer
);
1236 put_elf_reloc(symtab_section
, text_section
,
1237 offset
+ 2, R_XXX_THUNKFIX
, is
->iat_index
);
1238 is
->thk_offset
= offset
;
1241 /* tcc_realloc might have altered sym's address */
1242 sym
= (ElfW(Sym
) *)symtab_section
->data
+ sym_index
;
1244 /* patch the original symbol */
1245 sym
->st_value
= offset
;
1246 sym
->st_shndx
= text_section
->sh_num
;
1247 sym
->st_other
&= ~1; /* do not export */
1251 if (type
== STT_OBJECT
) { /* data, ptr to that should be */
1252 if (0 == is
->iat_index
) {
1253 /* original symbol will be patched later in pe_build_imports */
1254 is
->iat_index
= sym_index
;
1260 error_noabort("undefined symbol '%s'", name
);
1263 } else if (pe
->s1
->rdynamic
1264 && ELFW_ST_BIND(sym
->st_info
) != STB_LOCAL
) {
1265 /* if -rdynamic option, then export all non local symbols */
1272 /*----------------------------------------------------------------------------*/
1273 #ifdef PE_PRINT_SECTIONS
1274 ST_FN
void pe_print_section(FILE * f
, Section
* s
)
1276 /* just if you'r curious */
1280 e
= s
->data
+ s
->data_offset
;
1283 fprintf(f
, "section \"%s\"", s
->name
);
1285 fprintf(f
, "\nlink \"%s\"", s
->link
->name
);
1287 fprintf(f
, "\nreloc \"%s\"", s
->reloc
->name
);
1288 fprintf(f
, "\nv_addr %08X", (unsigned)s
->sh_addr
);
1289 fprintf(f
, "\ncontents %08X", (unsigned)l
);
1292 if (s
->sh_type
== SHT_NOBITS
)
1298 if (s
->sh_type
== SHT_SYMTAB
)
1299 m
= sizeof(ElfW(Sym
));
1300 else if (s
->sh_type
== SHT_RELX
)
1301 m
= sizeof(ElfW_Rel
);
1305 fprintf(f
, "%-8s", "offset");
1306 for (i
= 0; i
< m
; ++i
)
1307 fprintf(f
, " %02x", i
);
1310 if (s
->sh_type
== SHT_SYMTAB
|| s
->sh_type
== SHT_RELX
) {
1311 const char *fields1
[] = {
1322 const char *fields2
[] = {
1331 if (s
->sh_type
== SHT_SYMTAB
)
1332 p
= fields1
, n
= 106;
1334 p
= fields2
, n
= 58;
1336 for (i
= 0; p
[i
]; ++i
)
1337 fprintf(f
, "%6s", p
[i
]);
1338 fprintf(f
, " symbol");
1342 for (i
= 0; i
< n
; ++i
)
1348 fprintf(f
, "%08X", i
);
1349 for (n
= 0; n
< m
; ++n
) {
1351 fprintf(f
, " %02X", p
[i
+ n
]);
1356 if (s
->sh_type
== SHT_SYMTAB
) {
1357 ElfW(Sym
) *sym
= (ElfW(Sym
) *) (p
+ i
);
1358 const char *name
= s
->link
->data
+ sym
->st_name
;
1359 fprintf(f
, " %04X %04X %04X %02X %02X %02X %04X \"%s\"",
1360 (unsigned)sym
->st_name
,
1361 (unsigned)sym
->st_value
,
1362 (unsigned)sym
->st_size
,
1363 (unsigned)ELFW_ST_BIND(sym
->st_info
),
1364 (unsigned)ELFW_ST_TYPE(sym
->st_info
),
1365 (unsigned)sym
->st_other
,
1366 (unsigned)sym
->st_shndx
,
1369 } else if (s
->sh_type
== SHT_RELX
) {
1370 ElfW_Rel
*rel
= (ElfW_Rel
*) (p
+ i
);
1372 (ElfW(Sym
) *) s
->link
->data
+ ELFW_R_(SYM
)(rel
->r_info
);
1373 const char *name
= s
->link
->link
->data
+ sym
->st_name
;
1374 fprintf(f
, " %04X %02X %04X \"%s\"",
1375 (unsigned)rel
->r_offset
,
1376 (unsigned)ELFW_R_(TYPE
)(rel
->r_info
),
1377 (unsigned)ELFW_R_(SYM
)(rel
->r_info
),
1381 for (n
= 0; n
< m
; ++n
) {
1384 if (b
< 32 || b
>= 127)
1386 fprintf(f
, "%c", b
);
1396 ST_FN
void pe_print_sections(TCCState
*s1
, const char *fname
)
1401 f
= fopen(fname
, "w");
1402 for (i
= 1; i
< s1
->nb_sections
; ++i
) {
1403 s
= s1
->sections
[i
];
1404 pe_print_section(f
, s
);
1406 pe_print_section(f
, s1
->dynsymtab_section
);
1411 /* ------------------------------------------------------------- */
1413 ST_FN
int read_mem(FILE *fp
, unsigned offset
, void *buffer
, unsigned len
)
1415 fseek(fp
, offset
, 0);
1416 return len
== fread(buffer
, 1, len
, fp
);
1419 /* -------------------------------------------------------------
1420 * This is for compiled windows resources in 'coff' format
1421 * as generated by 'windres.exe -O coff ...'.
1424 ST_FN
int pe_load_res(TCCState
*s1
, FILE *fp
)
1426 struct pe_rsrc_header hdr
;
1427 Section
*rsrc_section
;
1432 if (!read_mem(fp
, 0, &hdr
, sizeof hdr
))
1435 if (hdr
.filehdr
.Machine
!= 0x014C
1436 || hdr
.filehdr
.NumberOfSections
!= 1
1437 || strcmp(hdr
.sectionhdr
.Name
, ".rsrc") != 0)
1440 rsrc_section
= new_section(s1
, ".rsrc", SHT_PROGBITS
, SHF_ALLOC
);
1441 ptr
= section_ptr_add(rsrc_section
, hdr
.sectionhdr
.SizeOfRawData
);
1442 offs
= hdr
.sectionhdr
.PointerToRawData
;
1443 if (!read_mem(fp
, offs
, ptr
, hdr
.sectionhdr
.SizeOfRawData
))
1445 offs
= hdr
.sectionhdr
.PointerToRelocations
;
1446 for (i
= 0; i
< hdr
.sectionhdr
.NumberOfRelocations
; ++i
)
1448 struct pe_rsrc_reloc rel
;
1449 if (!read_mem(fp
, offs
, &rel
, sizeof rel
))
1451 // printf("rsrc_reloc: %x %x %x\n", rel.offset, rel.size, rel.type);
1452 if (rel
.type
!= 7) /* DIR32NB */
1454 put_elf_reloc(symtab_section
, rsrc_section
,
1455 rel
.offset
, R_XXX_RELATIVE
, 0);
1463 /* ------------------------------------------------------------- */
1464 ST_FN
char *trimfront(char *p
)
1466 while (*p
&& (unsigned char)*p
<= ' ')
1471 ST_FN
char *trimback(char *a
, char *e
)
1473 while (e
> a
&& (unsigned char)e
[-1] <= ' ')
1479 ST_FN
char *get_line(char *line
, int size
, FILE *fp
)
1481 if (NULL
== fgets(line
, size
, fp
))
1483 trimback(line
, strchr(line
, 0));
1484 return trimfront(line
);
1487 /* ------------------------------------------------------------- */
1488 ST_FN
int pe_load_def(TCCState
*s1
, FILE *fp
)
1490 DLLReference
*dllref
;
1491 int state
= 0, ret
= -1;
1492 char line
[400], dllname
[80], *p
;
1495 p
= get_line(line
, sizeof line
, fp
);
1498 if (0 == *p
|| ';' == *p
)
1502 if (0 != strnicmp(p
, "LIBRARY", 7))
1504 strcpy(dllname
, trimfront(p
+7));
1509 if (0 != stricmp(p
, "EXPORTS"))
1515 dllref
= tcc_mallocz(sizeof(DLLReference
) + strlen(dllname
));
1516 strcpy(dllref
->name
, dllname
);
1517 dynarray_add((void ***) &s1
->loaded_dlls
, &s1
->nb_loaded_dlls
, dllref
);
1521 add_elf_sym(s1
->dynsymtab_section
,
1522 s1
->nb_loaded_dlls
, 0,
1523 ELFW_ST_INFO(STB_GLOBAL
, STT_FUNC
), 0,
1524 text_section
->sh_num
, p
);
1533 /* ------------------------------------------------------------- */
1534 #define TINY_IMPDEF_GET_EXPORT_NAMES_ONLY
1535 #include "win32/tools/tiny_impdef.c"
1537 ST_FN
int pe_load_dll(TCCState
*s1
, const char *dllname
, FILE *fp
)
1541 p
= get_export_names(fp
);
1543 DLLReference
*dllref
;
1544 dllref
= tcc_mallocz(sizeof(DLLReference
) + strlen(dllname
));
1545 strcpy(dllref
->name
, dllname
);
1546 dynarray_add((void ***) &s1
->loaded_dlls
, &s1
->nb_loaded_dlls
, dllref
);
1547 for (q
= p
, i
= 0; *q
; ++i
) {
1548 add_elf_sym(s1
->dynsymtab_section
,
1549 s1
->nb_loaded_dlls
, 0,
1550 ELFW_ST_INFO(STB_GLOBAL
, STT_FUNC
), 0,
1551 text_section
->sh_num
, q
);
1559 /* ------------------------------------------------------------- */
1560 PUB_FN
int pe_load_file(struct TCCState
*s1
, const char *filename
, int fd
)
1562 FILE *fp
= fdopen(dup(fd
), "rb");
1566 if (0 == strcmp(tcc_fileextension(filename
), ".def"))
1567 ret
= pe_load_def(s1
, fp
);
1568 else if (pe_load_res(s1
, fp
) == 0)
1570 else if (read_mem(fp
, 0, buf
, sizeof buf
) && 0 == strncmp(buf
, "MZ", 2))
1571 ret
= pe_load_dll(s1
, tcc_basename(filename
), fp
);
1577 int pe_add_dll(struct TCCState
*s
, const char *libraryname
)
1580 snprintf(buf
, sizeof(buf
), "%s.def", libraryname
);
1581 if (tcc_add_dll(s
, buf
, 0) == 0)
1583 snprintf(buf
, sizeof(buf
), "%s.dll", libraryname
);
1584 if (tcc_add_dll(s
, buf
, 0) == 0)
1589 /* ------------------------------------------------------------- */
1590 #ifdef TCC_TARGET_X86_64
1591 #define PE_STDSYM(n,s) n
1593 #define PE_STDSYM(n,s) "_" n s
1596 ST_FN
void pe_add_runtime_ex(TCCState
*s1
, struct pe_info
*pe
)
1598 const char *start_symbol
;
1599 unsigned long addr
= 0;
1602 if (find_elf_sym(symtab_section
, PE_STDSYM("WinMain","@16")))
1605 if (TCC_OUTPUT_DLL
== s1
->output_type
) {
1607 /* need this for 'tccelf.c:relocate_section()' */
1608 s1
->output_type
= TCC_OUTPUT_EXE
;
1612 TCC_OUTPUT_MEMORY
== s1
->output_type
1613 ? PE_GUI
== pe_type
? "_runwinmain" : NULL
1614 : PE_DLL
== pe_type
? PE_STDSYM("_dllstart","@12")
1615 : PE_GUI
== pe_type
? "_winstart" : "_start"
1618 /* grab the startup code from libtcc1 */
1620 add_elf_sym(symtab_section
,
1622 ELFW_ST_INFO(STB_GLOBAL
, STT_NOTYPE
), 0,
1623 SHN_UNDEF
, start_symbol
);
1625 if (0 == s1
->nostdlib
) {
1626 static const char *libs
[] = {
1627 "tcc1", "msvcrt", "kernel32", "", "user32", "gdi32", NULL
1629 const char **pp
, *p
;
1630 for (pp
= libs
; 0 != (p
= *pp
); ++pp
) {
1632 if (PE_DLL
!= pe_type
&& PE_GUI
!= pe_type
)
1634 } else if (tcc_add_library(s1
, p
) < 0)
1635 error_noabort("cannot find library: %s", p
);
1640 addr
= (uplong
)tcc_get_symbol_err(s1
, start_symbol
);
1641 if (s1
->output_type
== TCC_OUTPUT_MEMORY
&& addr
)
1642 /* for -run GUI's, put '_runwinmain' instead of 'main' */
1643 add_elf_sym(symtab_section
,
1645 ELFW_ST_INFO(STB_GLOBAL
, STT_NOTYPE
), 0,
1646 text_section
->sh_num
, "main");
1650 pe
->start_addr
= addr
;
1653 PUB_FN
int pe_output_file(TCCState
* s1
, const char *filename
)
1659 memset(&pe
, 0, sizeof pe
);
1660 pe
.filename
= filename
;
1663 pe_add_runtime_ex(s1
, &pe
);
1664 relocate_common_syms(); /* assign bss adresses */
1665 tcc_add_linker_symbols(s1
);
1667 ret
= pe_check_symbols(&pe
);
1672 if (PE_DLL
== pe
.type
) {
1673 pe
.reloc
= new_section(pe
.s1
, ".reloc", SHT_PROGBITS
, 0);
1674 /* XXX: check if is correct for arm-pe target */
1675 pe
.imagebase
= 0x10000000;
1677 #if defined(TCC_TARGET_ARM)
1678 pe
.imagebase
= 0x00010000;
1680 pe
.imagebase
= 0x00400000;
1684 /* if no subsystem specified, we use "console" subsystem by default */
1685 if (s1
->pe_subsystem
!= 0)
1686 pe
.subsystem
= s1
->pe_subsystem
;
1688 #if defined(TCC_TARGET_ARM)
1693 /* set default file/section alignment */
1694 if (pe
.subsystem
== 1) {
1695 pe
.section_align
= 0x20;
1696 pe
.file_align
= 0x20;
1698 pe
.section_align
= 0x1000;
1699 pe
.file_align
= 0x200;
1702 if (s1
->section_align
!= 0)
1703 pe
.section_align
= s1
->section_align
;
1704 if (s1
->pe_file_align
!= 0)
1705 pe
.file_align
= s1
->pe_file_align
;
1707 if ((pe
.subsystem
>= 10) && (pe
.subsystem
<= 12))
1710 if (s1
->has_text_addr
)
1711 pe
.imagebase
= s1
->text_addr
;
1713 pe_assign_addresses(&pe
);
1714 relocate_syms(s1
, 0);
1715 for (i
= 1; i
< s1
->nb_sections
; ++i
) {
1716 Section
*s
= s1
->sections
[i
];
1718 relocate_section(s1
, s
);
1719 pe_relocate_rva(&pe
, s
);
1725 ret
= pe_write(&pe
);
1726 tcc_free(pe
.sec_info
);
1728 #ifndef TCC_IS_NATIVE
1729 error_noabort("-run supported only on native platform");
1732 pe
.thunk
= data_section
;
1733 pe_build_imports(&pe
);
1736 #ifdef PE_PRINT_SECTIONS
1737 pe_print_sections(s1
, "tcc.log");
1742 /* ------------------------------------------------------------- */
1743 #endif /* def TCC_TARGET_PE */
1744 /* ------------------------------------------------------------- */