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)
49 /* ----------------------------------------------------------- */
50 #ifndef IMAGE_NT_SIGNATURE
51 /* ----------------------------------------------------------- */
52 /* definitions below are from winnt.h */
54 typedef unsigned char BYTE
;
55 typedef unsigned short WORD
;
56 typedef unsigned long DWORD
;
57 typedef unsigned long long ULONGLONG
;
60 typedef struct _IMAGE_DOS_HEADER
{ /* DOS .EXE header */
61 WORD e_magic
; /* Magic number */
62 WORD e_cblp
; /* Bytes on last page of file */
63 WORD e_cp
; /* Pages in file */
64 WORD e_crlc
; /* Relocations */
65 WORD e_cparhdr
; /* Size of header in paragraphs */
66 WORD e_minalloc
; /* Minimum extra paragraphs needed */
67 WORD e_maxalloc
; /* Maximum extra paragraphs needed */
68 WORD e_ss
; /* Initial (relative) SS value */
69 WORD e_sp
; /* Initial SP value */
70 WORD e_csum
; /* Checksum */
71 WORD e_ip
; /* Initial IP value */
72 WORD e_cs
; /* Initial (relative) CS value */
73 WORD e_lfarlc
; /* File address of relocation table */
74 WORD e_ovno
; /* Overlay number */
75 WORD e_res
[4]; /* Reserved words */
76 WORD e_oemid
; /* OEM identifier (for e_oeminfo) */
77 WORD e_oeminfo
; /* OEM information; e_oemid specific */
78 WORD e_res2
[10]; /* Reserved words */
79 DWORD e_lfanew
; /* File address of new exe header */
80 } IMAGE_DOS_HEADER
, *PIMAGE_DOS_HEADER
;
82 #define IMAGE_NT_SIGNATURE 0x00004550 /* PE00 */
83 #define SIZE_OF_NT_SIGNATURE 4
85 typedef struct _IMAGE_FILE_HEADER
{
87 WORD NumberOfSections
;
89 DWORD PointerToSymbolTable
;
90 DWORD NumberOfSymbols
;
91 WORD SizeOfOptionalHeader
;
93 } IMAGE_FILE_HEADER
, *PIMAGE_FILE_HEADER
;
96 #define IMAGE_SIZEOF_FILE_HEADER 20
98 typedef struct _IMAGE_DATA_DIRECTORY
{
101 } IMAGE_DATA_DIRECTORY
, *PIMAGE_DATA_DIRECTORY
;
104 typedef struct _IMAGE_OPTIONAL_HEADER
{
105 /* Standard fields. */
107 BYTE MajorLinkerVersion
;
108 BYTE MinorLinkerVersion
;
110 DWORD SizeOfInitializedData
;
111 DWORD SizeOfUninitializedData
;
112 DWORD AddressOfEntryPoint
;
114 #ifndef TCC_TARGET_X86_64
117 /* NT additional fields. */
119 DWORD SectionAlignment
;
121 WORD MajorOperatingSystemVersion
;
122 WORD MinorOperatingSystemVersion
;
123 WORD MajorImageVersion
;
124 WORD MinorImageVersion
;
125 WORD MajorSubsystemVersion
;
126 WORD MinorSubsystemVersion
;
127 DWORD Win32VersionValue
;
132 WORD DllCharacteristics
;
133 ADDR3264 SizeOfStackReserve
;
134 ADDR3264 SizeOfStackCommit
;
135 ADDR3264 SizeOfHeapReserve
;
136 ADDR3264 SizeOfHeapCommit
;
138 DWORD NumberOfRvaAndSizes
;
139 IMAGE_DATA_DIRECTORY DataDirectory
[16];
140 } IMAGE_OPTIONAL_HEADER32
, IMAGE_OPTIONAL_HEADER64
, IMAGE_OPTIONAL_HEADER
;
142 #define IMAGE_DIRECTORY_ENTRY_EXPORT 0 /* Export Directory */
143 #define IMAGE_DIRECTORY_ENTRY_IMPORT 1 /* Import Directory */
144 #define IMAGE_DIRECTORY_ENTRY_RESOURCE 2 /* Resource Directory */
145 #define IMAGE_DIRECTORY_ENTRY_EXCEPTION 3 /* Exception Directory */
146 #define IMAGE_DIRECTORY_ENTRY_SECURITY 4 /* Security Directory */
147 #define IMAGE_DIRECTORY_ENTRY_BASERELOC 5 /* Base Relocation Table */
148 #define IMAGE_DIRECTORY_ENTRY_DEBUG 6 /* Debug Directory */
149 /* IMAGE_DIRECTORY_ENTRY_COPYRIGHT 7 (X86 usage) */
150 #define IMAGE_DIRECTORY_ENTRY_ARCHITECTURE 7 /* Architecture Specific Data */
151 #define IMAGE_DIRECTORY_ENTRY_GLOBALPTR 8 /* RVA of GP */
152 #define IMAGE_DIRECTORY_ENTRY_TLS 9 /* TLS Directory */
153 #define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG 10 /* Load Configuration Directory */
154 #define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT 11 /* Bound Import Directory in headers */
155 #define IMAGE_DIRECTORY_ENTRY_IAT 12 /* Import Address Table */
156 #define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT 13 /* Delay Load Import Descriptors */
157 #define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR 14 /* COM Runtime descriptor */
159 /* Section header format. */
160 #define IMAGE_SIZEOF_SHORT_NAME 8
162 typedef struct _IMAGE_SECTION_HEADER
{
163 BYTE Name
[IMAGE_SIZEOF_SHORT_NAME
];
165 DWORD PhysicalAddress
;
168 DWORD VirtualAddress
;
170 DWORD PointerToRawData
;
171 DWORD PointerToRelocations
;
172 DWORD PointerToLinenumbers
;
173 WORD NumberOfRelocations
;
174 WORD NumberOfLinenumbers
;
175 DWORD Characteristics
;
176 } IMAGE_SECTION_HEADER
, *PIMAGE_SECTION_HEADER
;
178 #define IMAGE_SIZEOF_SECTION_HEADER 40
180 typedef struct _IMAGE_EXPORT_DIRECTORY
{
181 DWORD Characteristics
;
187 DWORD NumberOfFunctions
;
189 DWORD AddressOfFunctions
;
190 DWORD AddressOfNames
;
191 DWORD AddressOfNameOrdinals
;
192 } IMAGE_EXPORT_DIRECTORY
,*PIMAGE_EXPORT_DIRECTORY
;
194 typedef struct _IMAGE_IMPORT_DESCRIPTOR
{
196 DWORD Characteristics
;
197 DWORD OriginalFirstThunk
;
200 DWORD ForwarderChain
;
203 } IMAGE_IMPORT_DESCRIPTOR
;
205 typedef struct _IMAGE_BASE_RELOCATION
{
206 DWORD VirtualAddress
;
208 // WORD TypeOffset[1];
209 } IMAGE_BASE_RELOCATION
;
211 #define IMAGE_SIZEOF_BASE_RELOCATION 8
213 #define IMAGE_REL_BASED_ABSOLUTE 0
214 #define IMAGE_REL_BASED_HIGH 1
215 #define IMAGE_REL_BASED_LOW 2
216 #define IMAGE_REL_BASED_HIGHLOW 3
217 #define IMAGE_REL_BASED_HIGHADJ 4
218 #define IMAGE_REL_BASED_MIPS_JMPADDR 5
219 #define IMAGE_REL_BASED_SECTION 6
220 #define IMAGE_REL_BASED_REL32 7
224 /* ----------------------------------------------------------- */
225 #endif /* ndef IMAGE_NT_SIGNATURE */
226 /* ----------------------------------------------------------- */
227 #pragma pack(push, 1)
231 IMAGE_DOS_HEADER doshdr
;
234 IMAGE_FILE_HEADER filehdr
;
235 #ifdef TCC_TARGET_X86_64
236 IMAGE_OPTIONAL_HEADER64 opthdr
;
239 IMAGE_OPTIONAL_HEADER32 opthdr
;
241 IMAGE_OPTIONAL_HEADER opthdr
;
246 struct pe_reloc_header
{
251 struct pe_rsrc_header
{
252 struct _IMAGE_FILE_HEADER filehdr
;
253 struct _IMAGE_SECTION_HEADER sectionhdr
;
256 struct pe_rsrc_reloc
{
264 /* ----------------------------------------------------------- */
265 ST_DATA
struct pe_header pe_header
= {
267 /* IMAGE_DOS_HEADER doshdr */
268 0x5A4D, /*WORD e_magic; Magic number */
269 0x0090, /*WORD e_cblp; Bytes on last page of file */
270 0x0003, /*WORD e_cp; Pages in file */
271 0x0000, /*WORD e_crlc; Relocations */
273 0x0004, /*WORD e_cparhdr; Size of header in paragraphs */
274 0x0000, /*WORD e_minalloc; Minimum extra paragraphs needed */
275 0xFFFF, /*WORD e_maxalloc; Maximum extra paragraphs needed */
276 0x0000, /*WORD e_ss; Initial (relative) SS value */
278 0x00B8, /*WORD e_sp; Initial SP value */
279 0x0000, /*WORD e_csum; Checksum */
280 0x0000, /*WORD e_ip; Initial IP value */
281 0x0000, /*WORD e_cs; Initial (relative) CS value */
282 0x0040, /*WORD e_lfarlc; File address of relocation table */
283 0x0000, /*WORD e_ovno; Overlay number */
284 {0,0,0,0}, /*WORD e_res[4]; Reserved words */
285 0x0000, /*WORD e_oemid; OEM identifier (for e_oeminfo) */
286 0x0000, /*WORD e_oeminfo; OEM information; e_oemid specific */
287 {0,0,0,0,0,0,0,0,0,0}, /*WORD e_res2[10]; Reserved words */
288 0x00000080 /*DWORD e_lfanew; File address of new exe header */
290 /* BYTE dosstub[0x40] */
291 /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */
292 0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,0x4c,0xcd,0x21,0x54,0x68,
293 0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,0x20,0x63,0x61,0x6e,0x6e,0x6f,
294 0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,0x69,0x6e,0x20,0x44,0x4f,0x53,0x20,
295 0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0d,0x0a,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
297 0x00004550, /* DWORD nt_sig = IMAGE_NT_SIGNATURE */
299 /* IMAGE_FILE_HEADER filehdr */
300 #ifdef TCC_TARGET_X86_64
301 0x8664, /*WORD Machine; */
303 0x014C, /*WORD Machine; */
305 0x0003, /*WORD NumberOfSections; */
306 0x00000000, /*DWORD TimeDateStamp; */
307 0x00000000, /*DWORD PointerToSymbolTable; */
308 0x00000000, /*DWORD NumberOfSymbols; */
309 #ifdef TCC_TARGET_X86_64
310 0x00F0, /*WORD SizeOfOptionalHeader; */
311 0x022F /*WORD Characteristics; */
312 #define CHARACTERISTICS_DLL 0x222E
314 0x00E0, /*WORD SizeOfOptionalHeader; */
315 0x030F /*WORD Characteristics; */
316 #define CHARACTERISTICS_DLL 0x230E
319 /* IMAGE_OPTIONAL_HEADER opthdr */
320 /* Standard fields. */
321 #ifdef TCC_TARGET_X86_64
322 0x020B, /*WORD Magic; */
324 0x010B, /*WORD Magic; */
326 0x06, /*BYTE MajorLinkerVersion; */
327 0x00, /*BYTE MinorLinkerVersion; */
328 0x00000000, /*DWORD SizeOfCode; */
329 0x00000000, /*DWORD SizeOfInitializedData; */
330 0x00000000, /*DWORD SizeOfUninitializedData; */
331 0x00000000, /*DWORD AddressOfEntryPoint; */
332 0x00000000, /*DWORD BaseOfCode; */
333 #ifndef TCC_TARGET_X86_64
334 0x00000000, /*DWORD BaseOfData; */
336 /* NT additional fields. */
337 0x00400000, /*DWORD ImageBase; */
338 0x00001000, /*DWORD SectionAlignment; */
339 0x00000200, /*DWORD FileAlignment; */
340 0x0004, /*WORD MajorOperatingSystemVersion; */
341 0x0000, /*WORD MinorOperatingSystemVersion; */
342 0x0000, /*WORD MajorImageVersion; */
343 0x0000, /*WORD MinorImageVersion; */
344 0x0004, /*WORD MajorSubsystemVersion; */
345 0x0000, /*WORD MinorSubsystemVersion; */
346 0x00000000, /*DWORD Win32VersionValue; */
347 0x00000000, /*DWORD SizeOfImage; */
348 0x00000200, /*DWORD SizeOfHeaders; */
349 0x00000000, /*DWORD CheckSum; */
350 0x0002, /*WORD Subsystem; */
351 0x0000, /*WORD DllCharacteristics; */
352 0x00100000, /*DWORD SizeOfStackReserve; */
353 0x00001000, /*DWORD SizeOfStackCommit; */
354 0x00100000, /*DWORD SizeOfHeapReserve; */
355 0x00001000, /*DWORD SizeOfHeapCommit; */
356 0x00000000, /*DWORD LoaderFlags; */
357 0x00000010, /*DWORD NumberOfRvaAndSizes; */
359 /* IMAGE_DATA_DIRECTORY DataDirectory[16]; */
360 {{0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0},
361 {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}}
364 /* ------------------------------------------------------------- */
365 /* internal temporary structures */
368 #define IMAGE_SCN_CNT_CODE 0x00000020
369 #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040
370 #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080
371 #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000
372 #define IMAGE_SCN_MEM_SHARED 0x10000000
373 #define IMAGE_SCN_MEM_EXECUTE 0x20000000
374 #define IMAGE_SCN_MEM_READ 0x40000000
375 #define IMAGE_SCN_MEM_WRITE 0x80000000
390 ST_DATA DWORD pe_sec_flags
[] = {
391 0x60000020, /* ".text" , */
392 0xC0000040, /* ".data" , */
393 0xC0000080, /* ".bss" , */
394 0x40000040, /* ".idata" , */
395 0xE0000060, /* < other > , */
396 0x40000040, /* ".rsrc" , */
397 0x42000802, /* ".stab" , */
398 0x42000040, /* ".reloc" , */
401 struct section_info
{
409 IMAGE_SECTION_HEADER ish
;
412 struct import_symbol
{
418 struct pe_import_info
{
421 struct import_symbol
**symbols
;
428 const char *filename
;
439 struct section_info
*sec_info
;
441 struct pe_import_info
**imp_info
;
445 /* ------------------------------------------------------------- */
453 void error_noabort(const char *, ...);
456 void dbg_printf (const char *fmt
, ...)
462 x
= vsprintf (buffer
, fmt
, arg
);
463 strcpy(buffer
+x
, "\n");
464 OutputDebugString(buffer
);
468 /* --------------------------------------------*/
470 ST_FN
const char* get_alt_symbol(char *buffer
, const char *symbol
)
473 p
= strrchr(symbol
, '@');
474 if (p
&& isnum(p
[1]) && symbol
[0] == '_') { /* stdcall decor */
475 strcpy(buffer
, symbol
+1)[p
-symbol
-1] = 0;
476 } else if (symbol
[0] != '_') { /* try non-ansi function */
477 buffer
[0] = '_', strcpy(buffer
+ 1, symbol
);
478 } else if (0 == memcmp(symbol
, "__imp__", 7)) { /* mingw 2.0 */
479 strcpy(buffer
, symbol
+ 6);
480 } else if (0 == memcmp(symbol
, "_imp___", 7)) { /* mingw 3.7 */
481 strcpy(buffer
, symbol
+ 6);
488 ST_FN
int pe_find_import(TCCState
* s1
, const char *symbol
)
492 int sym_index
, n
= 0;
494 s
= n
? get_alt_symbol(buffer
, symbol
) : symbol
;
495 sym_index
= find_elf_sym(s1
->dynsymtab_section
, s
);
496 // printf("find (%d) %d %s\n", n, sym_index, s);
497 } while (0 == sym_index
&& ++n
< 2);
501 /*----------------------------------------------------------------------------*/
503 ST_FN
int dynarray_assoc(void **pp
, int n
, int key
)
506 for (i
= 0; i
< n
; ++i
, ++pp
)
507 if (key
== **(int **) pp
)
513 ST_FN DWORD
umin(DWORD a
, DWORD b
)
515 return a
< b
? a
: b
;
519 ST_FN DWORD
umax(DWORD a
, DWORD b
)
521 return a
< b
? b
: a
;
524 ST_FN
void pe_fpad(FILE *fp
, DWORD new_pos
)
526 DWORD pos
= ftell(fp
);
527 while (++pos
<= new_pos
)
531 ST_FN DWORD
pe_file_align(DWORD n
)
533 return (n
+ (0x200 - 1)) & ~(0x200 - 1);
536 ST_FN DWORD
pe_virtual_align(DWORD n
)
538 return (n
+ (0x1000 - 1)) & ~(0x1000 - 1);
541 ST_FN
void pe_align_section(Section
*s
, int a
)
543 int i
= s
->data_offset
& (a
-1);
545 section_ptr_add(s
, a
- i
);
548 ST_FN
void pe_set_datadir(int dir
, DWORD addr
, DWORD size
)
550 pe_header
.opthdr
.DataDirectory
[dir
].VirtualAddress
= addr
;
551 pe_header
.opthdr
.DataDirectory
[dir
].Size
= size
;
554 /*----------------------------------------------------------------------------*/
555 ST_FN
int pe_write(struct pe_info
*pe
)
559 DWORD file_offset
, r
;
561 op
= fopen(pe
->filename
, "wb");
563 error_noabort("could not write '%s': %s", pe
->filename
, strerror(errno
));
567 pe
->sizeofheaders
= pe_file_align(
569 + pe
->sec_count
* sizeof (IMAGE_SECTION_HEADER
)
572 file_offset
= pe
->sizeofheaders
;
573 pe_fpad(op
, file_offset
);
575 if (2 == pe
->s1
->verbose
)
576 printf("-------------------------------"
577 "\n virt file size section" "\n");
579 for (i
= 0; i
< pe
->sec_count
; ++i
) {
580 struct section_info
*si
= pe
->sec_info
+ i
;
581 const char *sh_name
= si
->name
;
582 unsigned long addr
= si
->sh_addr
- pe
->imagebase
;
583 unsigned long size
= si
->sh_size
;
584 IMAGE_SECTION_HEADER
*psh
= &si
->ish
;
586 if (2 == pe
->s1
->verbose
)
587 printf("%6lx %6lx %6lx %s\n",
588 addr
, file_offset
, size
, sh_name
);
592 pe_header
.opthdr
.BaseOfCode
= addr
;
593 pe_header
.opthdr
.AddressOfEntryPoint
= addr
+ pe
->start_addr
;
597 #ifndef TCC_TARGET_X86_64
598 pe_header
.opthdr
.BaseOfData
= addr
;
606 pe_set_datadir(IMAGE_DIRECTORY_ENTRY_BASERELOC
, addr
, size
);
610 pe_set_datadir(IMAGE_DIRECTORY_ENTRY_RESOURCE
, addr
, size
);
617 if (pe
->thunk
== pe
->s1
->sections
[si
->ord
]) {
619 pe_set_datadir(IMAGE_DIRECTORY_ENTRY_IMPORT
,
620 pe
->imp_offs
+ addr
, pe
->imp_size
);
621 pe_set_datadir(IMAGE_DIRECTORY_ENTRY_IAT
,
622 pe
->iat_offs
+ addr
, pe
->iat_size
);
625 pe_set_datadir(IMAGE_DIRECTORY_ENTRY_EXPORT
,
626 pe
->exp_offs
+ addr
, pe
->exp_size
);
630 strcpy((char*)psh
->Name
, sh_name
);
632 psh
->Characteristics
= pe_sec_flags
[si
->cls
];
633 psh
->VirtualAddress
= addr
;
634 psh
->Misc
.VirtualSize
= size
;
635 pe_header
.opthdr
.SizeOfImage
=
636 umax(pe_virtual_align(size
+ addr
), pe_header
.opthdr
.SizeOfImage
);
639 psh
->PointerToRawData
= r
= file_offset
;
640 fwrite(si
->data
, 1, si
->data_size
, op
);
641 file_offset
= pe_file_align(file_offset
+ si
->data_size
);
642 psh
->SizeOfRawData
= file_offset
- r
;
643 pe_fpad(op
, file_offset
);
647 // pe_header.filehdr.TimeDateStamp = time(NULL);
648 pe_header
.filehdr
.NumberOfSections
= pe
->sec_count
;
649 pe_header
.opthdr
.SizeOfHeaders
= pe
->sizeofheaders
;
650 pe_header
.opthdr
.ImageBase
= pe
->imagebase
;
651 if (PE_DLL
== pe
->type
)
652 pe_header
.filehdr
.Characteristics
= CHARACTERISTICS_DLL
;
653 else if (PE_GUI
!= pe
->type
)
654 pe_header
.opthdr
.Subsystem
= 3;
656 fseek(op
, SEEK_SET
, 0);
657 fwrite(&pe_header
, 1, sizeof pe_header
, op
);
658 for (i
= 0; i
< pe
->sec_count
; ++i
)
659 fwrite(&pe
->sec_info
[i
].ish
, 1, sizeof(IMAGE_SECTION_HEADER
), op
);
662 if (2 == pe
->s1
->verbose
)
663 printf("-------------------------------\n");
665 printf("<- %s (%lu bytes)\n", pe
->filename
, file_offset
);
670 /*----------------------------------------------------------------------------*/
672 #ifdef TCC_TARGET_X86_64
673 #define ELFW_R_(type) ELF64_R_##type
674 #define ElfW_Rel ElfW(Rela)
676 #define REL_TYPE_DIRECT R_X86_64_64
677 #define R_XXX_THUNKFIX R_X86_64_PC32
678 #define R_XXX_RELATIVE R_X86_64_RELATIVE
680 #define ELFW_ST_BIND ELF64_ST_BIND
681 #define ELFW_ST_TYPE ELF64_ST_TYPE
682 #define ELFW_ST_INFO ELF64_ST_INFO
684 #define ELFW_R_(type) ELF32_R_##type
685 #define ElfW_Rel ElfW(Rel)
687 #define REL_TYPE_DIRECT R_386_32
688 #define R_XXX_THUNKFIX R_386_32
689 #define R_XXX_RELATIVE R_386_RELATIVE
691 #define ELFW_ST_BIND ELF32_ST_BIND
692 #define ELFW_ST_TYPE ELF32_ST_TYPE
693 #define ELFW_ST_INFO ELF32_ST_INFO
695 /*----------------------------------------------------------------------------*/
697 ST_FN
struct import_symbol
*pe_add_import(struct pe_info
*pe
, int sym_index
)
701 struct pe_import_info
*p
;
702 struct import_symbol
*s
;
704 dll_index
= ((ElfW(Sym
) *)pe
->s1
->dynsymtab_section
->data
+ sym_index
)->st_value
;
708 i
= dynarray_assoc ((void**)pe
->imp_info
, pe
->imp_count
, dll_index
);
713 p
= tcc_mallocz(sizeof *p
);
714 p
->dll_index
= dll_index
;
715 dynarray_add((void***)&pe
->imp_info
, &pe
->imp_count
, p
);
718 i
= dynarray_assoc ((void**)p
->symbols
, p
->sym_count
, sym_index
);
720 return p
->symbols
[i
];
722 s
= tcc_mallocz(sizeof *s
);
723 dynarray_add((void***)&p
->symbols
, &p
->sym_count
, s
);
724 s
->sym_index
= sym_index
;
728 /*----------------------------------------------------------------------------*/
729 ST_FN
void pe_build_imports(struct pe_info
*pe
)
731 int thk_ptr
, ent_ptr
, dll_ptr
, sym_cnt
, i
;
732 DWORD rva_base
= pe
->thunk
->sh_addr
- pe
->imagebase
;
733 int ndlls
= pe
->imp_count
;
735 for (sym_cnt
= i
= 0; i
< ndlls
; ++i
)
736 sym_cnt
+= pe
->imp_info
[i
]->sym_count
;
741 pe_align_section(pe
->thunk
, 16);
743 pe
->imp_offs
= dll_ptr
= pe
->thunk
->data_offset
;
744 pe
->imp_size
= (ndlls
+ 1) * sizeof(IMAGE_IMPORT_DESCRIPTOR
);
745 pe
->iat_offs
= dll_ptr
+ pe
->imp_size
;
746 pe
->iat_size
= (sym_cnt
+ ndlls
) * sizeof(ADDR3264
);
747 section_ptr_add(pe
->thunk
, pe
->imp_size
+ 2*pe
->iat_size
);
749 thk_ptr
= pe
->iat_offs
;
750 ent_ptr
= pe
->iat_offs
+ pe
->iat_size
;
752 for (i
= 0; i
< pe
->imp_count
; ++i
) {
753 IMAGE_IMPORT_DESCRIPTOR
*hdr
;
756 struct pe_import_info
*p
= pe
->imp_info
[i
];
757 const char *name
= pe
->s1
->loaded_dlls
[p
->dll_index
-1]->name
;
759 /* put the dll name into the import header */
760 v
= put_elf_str(pe
->thunk
, name
);
762 hdr
= (IMAGE_IMPORT_DESCRIPTOR
*)(pe
->thunk
->data
+ dll_ptr
);
763 hdr
->FirstThunk
= thk_ptr
+ rva_base
;
764 hdr
->OriginalFirstThunk
= ent_ptr
+ rva_base
;
765 hdr
->Name
= v
+ rva_base
;
767 for (k
= 0, n
= p
->sym_count
; k
<= n
; ++k
) {
769 int iat_index
= p
->symbols
[k
]->iat_index
;
770 int sym_index
= p
->symbols
[k
]->sym_index
;
771 ElfW(Sym
) *imp_sym
= (ElfW(Sym
) *)pe
->s1
->dynsymtab_section
->data
+ sym_index
;
772 ElfW(Sym
) *org_sym
= (ElfW(Sym
) *)symtab_section
->data
+ iat_index
;
773 const char *name
= pe
->s1
->dynsymtab_section
->link
->data
+ imp_sym
->st_name
;
775 org_sym
->st_value
= thk_ptr
;
776 org_sym
->st_shndx
= pe
->thunk
->sh_num
;
777 v
= pe
->thunk
->data_offset
+ rva_base
;
778 section_ptr_add(pe
->thunk
, sizeof(WORD
)); /* hint, not used */
779 put_elf_str(pe
->thunk
, name
);
781 if (pe
->type
== PE_RUN
) {
782 DLLReference
*dllref
= pe
->s1
->loaded_dlls
[imp_sym
->st_value
-1];
783 if ( !dllref
->handle
)
784 dllref
->handle
= LoadLibrary(dllref
->name
);
785 v
= (ADDR3264
)GetProcAddress(dllref
->handle
, name
);
787 error_noabort("undefined symbol '%s'", name
);
791 v
= 0; /* last entry is zero */
793 *(ADDR3264
*)(pe
->thunk
->data
+thk_ptr
) =
794 *(ADDR3264
*)(pe
->thunk
->data
+ent_ptr
) = v
;
795 thk_ptr
+= sizeof (ADDR3264
);
796 ent_ptr
+= sizeof (ADDR3264
);
798 dll_ptr
+= sizeof(IMAGE_IMPORT_DESCRIPTOR
);
799 dynarray_reset(&p
->symbols
, &p
->sym_count
);
801 dynarray_reset(&pe
->imp_info
, &pe
->imp_count
);
804 /* ------------------------------------------------------------- */
806 For now only functions are exported. Export of data
807 would work, but import requires compiler support to
808 do an additional indirection.
811 __declspec(dllimport) extern int something;
813 needs to be translated to:
824 ST_FN
int sym_cmp(const void *va
, const void *vb
)
826 const char *ca
= (*(struct pe_sort_sym
**)va
)->name
;
827 const char *cb
= (*(struct pe_sort_sym
**)vb
)->name
;
828 return strcmp(ca
, cb
);
831 ST_FN
void pe_build_exports(struct pe_info
*pe
)
834 int sym_index
, sym_end
;
835 DWORD rva_base
, func_o
, name_o
, ord_o
, str_o
;
836 IMAGE_EXPORT_DIRECTORY
*hdr
;
838 struct pe_sort_sym
**sorted
, *p
;
845 rva_base
= pe
->thunk
->sh_addr
- pe
->imagebase
;
846 sym_count
= 0, sorted
= NULL
, op
= NULL
;
848 sym_end
= symtab_section
->data_offset
/ sizeof(ElfW(Sym
));
849 for (sym_index
= 1; sym_index
< sym_end
; ++sym_index
) {
850 sym
= (ElfW(Sym
)*)symtab_section
->data
+ sym_index
;
851 name
= symtab_section
->link
->data
+ sym
->st_name
;
852 if ((sym
->st_other
& 1)
853 /* export only symbols from actually written sections */
854 && pe
->s1
->sections
[sym
->st_shndx
]->sh_addr
) {
855 p
= tcc_malloc(sizeof *p
);
856 p
->index
= sym_index
;
858 dynarray_add((void***)&sorted
, &sym_count
, p
);
861 if (sym
->st_other
& 1)
862 printf("export: %s\n", name
);
863 if (sym
->st_other
& 2)
864 printf("stdcall: %s\n", name
);
871 qsort (sorted
, sym_count
, sizeof *sorted
, sym_cmp
);
873 pe_align_section(pe
->thunk
, 16);
874 dllname
= tcc_basename(pe
->filename
);
876 pe
->exp_offs
= pe
->thunk
->data_offset
;
877 func_o
= pe
->exp_offs
+ sizeof(IMAGE_EXPORT_DIRECTORY
);
878 name_o
= func_o
+ sym_count
* sizeof (DWORD
);
879 ord_o
= name_o
+ sym_count
* sizeof (DWORD
);
880 str_o
= ord_o
+ sym_count
* sizeof(WORD
);
882 hdr
= section_ptr_add(pe
->thunk
, str_o
- pe
->exp_offs
);
883 hdr
->Characteristics
= 0;
885 hdr
->NumberOfFunctions
= sym_count
;
886 hdr
->NumberOfNames
= sym_count
;
887 hdr
->AddressOfFunctions
= func_o
+ rva_base
;
888 hdr
->AddressOfNames
= name_o
+ rva_base
;
889 hdr
->AddressOfNameOrdinals
= ord_o
+ rva_base
;
890 hdr
->Name
= str_o
+ rva_base
;
891 put_elf_str(pe
->thunk
, dllname
);
894 /* automatically write exports to <output-filename>.def */
895 strcpy(buf
, pe
->filename
);
896 strcpy(tcc_fileextension(buf
), ".def");
897 op
= fopen(buf
, "w");
899 error_noabort("could not create '%s': %s", buf
, strerror(errno
));
901 fprintf(op
, "LIBRARY %s\n\nEXPORTS\n", dllname
);
903 printf("<- %s (%d symbols)\n", buf
, sym_count
);
907 for (ord
= 0; ord
< sym_count
; ++ord
)
909 p
= sorted
[ord
], sym_index
= p
->index
, name
= p
->name
;
910 /* insert actual address later in pe_relocate_rva */
911 put_elf_reloc(symtab_section
, pe
->thunk
,
912 func_o
, R_XXX_RELATIVE
, sym_index
);
913 *(DWORD
*)(pe
->thunk
->data
+ name_o
)
914 = pe
->thunk
->data_offset
+ rva_base
;
915 *(WORD
*)(pe
->thunk
->data
+ ord_o
)
917 put_elf_str(pe
->thunk
, name
);
918 func_o
+= sizeof (DWORD
);
919 name_o
+= sizeof (DWORD
);
920 ord_o
+= sizeof (WORD
);
922 fprintf(op
, "%s\n", name
);
924 pe
->exp_size
= pe
->thunk
->data_offset
- pe
->exp_offs
;
925 dynarray_reset(&sorted
, &sym_count
);
928 /* ------------------------------------------------------------- */
929 ST_FN
void pe_build_reloc (struct pe_info
*pe
)
931 DWORD offset
, block_ptr
, addr
;
933 ElfW_Rel
*rel
, *rel_end
;
934 Section
*s
= NULL
, *sr
;
936 offset
= addr
= block_ptr
= count
= i
= 0;
937 rel
= rel_end
= NULL
;
941 int type
= ELFW_R_(TYPE
)(rel
->r_info
);
942 addr
= rel
->r_offset
+ s
->sh_addr
;
944 if (type
!= REL_TYPE_DIRECT
)
946 if (count
== 0) { /* new block */
947 block_ptr
= pe
->reloc
->data_offset
;
948 section_ptr_add(pe
->reloc
, sizeof(struct pe_reloc_header
));
949 offset
= addr
& 0xFFFFFFFF<<12;
951 if ((addr
-= offset
) < (1<<12)) { /* one block spans 4k addresses */
952 WORD
*wp
= section_ptr_add(pe
->reloc
, sizeof (WORD
));
953 *wp
= addr
| IMAGE_REL_BASED_HIGHLOW
<<12;
959 } else if (i
< pe
->sec_count
) {
960 sr
= (s
= pe
->s1
->sections
[pe
->sec_info
[i
++].ord
])->reloc
;
962 rel
= (ElfW_Rel
*)sr
->data
;
963 rel_end
= (ElfW_Rel
*)(sr
->data
+ sr
->data_offset
);
969 /* store the last block and ready for a new one */
970 struct pe_reloc_header
*hdr
;
971 if (count
& 1) /* align for DWORDS */
972 section_ptr_add(pe
->reloc
, sizeof(WORD
)), ++count
;
973 hdr
= (struct pe_reloc_header
*)(pe
->reloc
->data
+ block_ptr
);
974 hdr
-> offset
= offset
- pe
->imagebase
;
975 hdr
-> size
= count
* sizeof(WORD
) + sizeof(struct pe_reloc_header
);
984 /* ------------------------------------------------------------- */
985 ST_FN
int pe_section_class(Section
*s
)
993 if (flags
& SHF_ALLOC
) {
994 if (type
== SHT_PROGBITS
) {
995 if (flags
& SHF_EXECINSTR
)
997 if (flags
& SHF_WRITE
)
999 if (0 == strcmp(name
, ".rsrc"))
1001 if (0 == strcmp(name
, ".iedat"))
1004 } else if (type
== SHT_NOBITS
) {
1005 if (flags
& SHF_WRITE
)
1009 if (0 == strcmp(name
, ".reloc"))
1011 if (0 == strncmp(name
, ".stab", 5)) /* .stab and .stabstr */
1017 ST_FN
int pe_assign_addresses (struct pe_info
*pe
)
1022 struct section_info
*si
;
1025 // pe->thunk = new_section(pe->s1, ".iedat", SHT_PROGBITS, SHF_ALLOC);
1027 section_order
= tcc_malloc(pe
->s1
->nb_sections
* sizeof (int));
1028 for (o
= k
= 0 ; k
< sec_last
; ++k
) {
1029 for (i
= 1; i
< pe
->s1
->nb_sections
; ++i
) {
1030 s
= pe
->s1
->sections
[i
];
1031 if (k
== pe_section_class(s
)) {
1032 // printf("%s %d\n", s->name, k);
1033 s
->sh_addr
= pe
->imagebase
;
1034 section_order
[o
++] = i
;
1039 pe
->sec_info
= tcc_mallocz(o
* sizeof (struct section_info
));
1040 addr
= pe
->imagebase
+ 1;
1042 for (i
= 0; i
< o
; ++i
)
1044 k
= section_order
[i
];
1045 s
= pe
->s1
->sections
[k
];
1046 c
= pe_section_class(s
);
1047 si
= &pe
->sec_info
[pe
->sec_count
];
1049 #ifdef PE_MERGE_DATA
1050 if (c
== sec_bss
&& pe
->sec_count
&& si
[-1].cls
== sec_data
) {
1051 /* append .bss to .data */
1052 s
->sh_addr
= addr
= ((addr
-1) | 15) + 1;
1053 addr
+= s
->data_offset
;
1054 si
[-1].sh_size
= addr
- si
[-1].sh_addr
;
1058 strcpy(si
->name
, s
->name
);
1061 si
->sh_addr
= s
->sh_addr
= addr
= pe_virtual_align(addr
);
1062 si
->sh_flags
= s
->sh_flags
;
1064 if (c
== sec_data
&& NULL
== pe
->thunk
)
1067 if (s
== pe
->thunk
) {
1068 pe_build_imports(pe
);
1069 pe_build_exports(pe
);
1073 pe_build_reloc (pe
);
1077 if (s
->sh_type
!= SHT_NOBITS
) {
1079 si
->data_size
= s
->data_offset
;
1082 addr
+= s
->data_offset
;
1083 si
->sh_size
= s
->data_offset
;
1086 // printf("%08x %05x %s\n", si->sh_addr, si->sh_size, si->name);
1090 for (i
= 1; i
< pe
->s1
->nb_sections
; ++i
) {
1091 Section
*s
= pe
->s1
->sections
[i
];
1092 int type
= s
->sh_type
;
1093 int flags
= s
->sh_flags
;
1094 printf("section %-16s %-10s %5x %s,%s,%s\n",
1096 type
== SHT_PROGBITS
? "progbits" :
1097 type
== SHT_NOBITS
? "nobits" :
1098 type
== SHT_SYMTAB
? "symtab" :
1099 type
== SHT_STRTAB
? "strtab" :
1100 type
== SHT_RELX
? "rel" : "???",
1102 flags
& SHF_ALLOC
? "alloc" : "",
1103 flags
& SHF_WRITE
? "write" : "",
1104 flags
& SHF_EXECINSTR
? "exec" : ""
1107 pe
->s1
->verbose
= 2;
1110 tcc_free(section_order
);
1114 /* ------------------------------------------------------------- */
1115 ST_FN
void pe_relocate_rva (struct pe_info
*pe
, Section
*s
)
1117 Section
*sr
= s
->reloc
;
1118 ElfW_Rel
*rel
, *rel_end
;
1119 rel_end
= (ElfW_Rel
*)(sr
->data
+ sr
->data_offset
);
1120 for(rel
= (ElfW_Rel
*)sr
->data
; rel
< rel_end
; rel
++) {
1121 if (ELFW_R_(TYPE
)(rel
->r_info
) == R_XXX_RELATIVE
) {
1122 int sym_index
= ELFW_R_(SYM
)(rel
->r_info
);
1123 DWORD addr
= s
->sh_addr
;
1125 ElfW(Sym
) *sym
= (ElfW(Sym
) *)symtab_section
->data
+ sym_index
;
1126 addr
= sym
->st_value
;
1128 // printf("reloc rva %08x %08x\n", (DWORD)rel->r_offset, addr);
1129 *(DWORD
*)(s
->data
+ rel
->r_offset
) += addr
- pe
->imagebase
;
1134 /*----------------------------------------------------------------------------*/
1135 ST_FN
int pe_check_symbols(struct pe_info
*pe
)
1138 int sym_index
, sym_end
;
1141 pe_align_section(text_section
, 8);
1143 sym_end
= symtab_section
->data_offset
/ sizeof(ElfW(Sym
));
1144 for (sym_index
= 1; sym_index
< sym_end
; ++sym_index
) {
1146 sym
= (ElfW(Sym
) *)symtab_section
->data
+ sym_index
;
1147 if (sym
->st_shndx
== SHN_UNDEF
) {
1149 const char *name
= symtab_section
->link
->data
+ sym
->st_name
;
1150 unsigned type
= ELFW_ST_TYPE(sym
->st_info
);
1151 int imp_sym
= pe_find_import(pe
->s1
, name
);
1152 struct import_symbol
*is
;
1156 is
= pe_add_import(pe
, imp_sym
);
1160 if (type
== STT_FUNC
) {
1161 unsigned long offset
= is
->thk_offset
;
1163 /* got aliased symbol, like stricmp and _stricmp */
1169 offset
= text_section
->data_offset
;
1170 /* add the 'jmp IAT[x]' instruction */
1171 p
= section_ptr_add(text_section
, 8);
1173 #ifdef TCC_TARGET_X86_64
1174 *(DWORD
*)(p
+1) = (DWORD
)-4;
1176 /* add a helper symbol, will be patched later in
1178 sprintf(buffer
, "IAT.%s", name
);
1179 is
->iat_index
= put_elf_sym(
1180 symtab_section
, 0, sizeof(DWORD
),
1181 ELFW_ST_INFO(STB_GLOBAL
, STT_OBJECT
),
1182 0, SHN_UNDEF
, buffer
);
1183 put_elf_reloc(symtab_section
, text_section
,
1184 offset
+ 2, R_XXX_THUNKFIX
, is
->iat_index
);
1185 is
->thk_offset
= offset
;
1188 /* tcc_realloc might have altered sym's address */
1189 sym
= (ElfW(Sym
) *)symtab_section
->data
+ sym_index
;
1191 /* patch the original symbol */
1192 sym
->st_value
= offset
;
1193 sym
->st_shndx
= text_section
->sh_num
;
1194 sym
->st_other
&= ~1; /* do not export */
1198 if (type
== STT_OBJECT
) { /* data, ptr to that should be */
1199 if (0 == is
->iat_index
) {
1200 /* original symbol will be patched later in pe_build_imports */
1201 is
->iat_index
= sym_index
;
1207 error_noabort("undefined symbol '%s'", name
);
1210 } else if (pe
->s1
->rdynamic
1211 && ELFW_ST_BIND(sym
->st_info
) != STB_LOCAL
) {
1212 /* if -rdynamic option, then export all non local symbols */
1219 /*----------------------------------------------------------------------------*/
1220 #ifdef PE_PRINT_SECTIONS
1221 ST_FN
void pe_print_section(FILE * f
, Section
* s
)
1223 /* just if you'r curious */
1227 e
= s
->data
+ s
->data_offset
;
1230 fprintf(f
, "section \"%s\"", s
->name
);
1232 fprintf(f
, "\nlink \"%s\"", s
->link
->name
);
1234 fprintf(f
, "\nreloc \"%s\"", s
->reloc
->name
);
1235 fprintf(f
, "\nv_addr %08X", (unsigned)s
->sh_addr
);
1236 fprintf(f
, "\ncontents %08X", (unsigned)l
);
1239 if (s
->sh_type
== SHT_NOBITS
)
1245 if (s
->sh_type
== SHT_SYMTAB
)
1246 m
= sizeof(ElfW(Sym
));
1247 else if (s
->sh_type
== SHT_RELX
)
1248 m
= sizeof(ElfW_Rel
);
1252 fprintf(f
, "%-8s", "offset");
1253 for (i
= 0; i
< m
; ++i
)
1254 fprintf(f
, " %02x", i
);
1257 if (s
->sh_type
== SHT_SYMTAB
|| s
->sh_type
== SHT_RELX
) {
1258 const char *fields1
[] = {
1269 const char *fields2
[] = {
1278 if (s
->sh_type
== SHT_SYMTAB
)
1279 p
= fields1
, n
= 106;
1281 p
= fields2
, n
= 58;
1283 for (i
= 0; p
[i
]; ++i
)
1284 fprintf(f
, "%6s", p
[i
]);
1285 fprintf(f
, " symbol");
1289 for (i
= 0; i
< n
; ++i
)
1295 fprintf(f
, "%08X", i
);
1296 for (n
= 0; n
< m
; ++n
) {
1298 fprintf(f
, " %02X", p
[i
+ n
]);
1303 if (s
->sh_type
== SHT_SYMTAB
) {
1304 ElfW(Sym
) *sym
= (ElfW(Sym
) *) (p
+ i
);
1305 const char *name
= s
->link
->data
+ sym
->st_name
;
1306 fprintf(f
, " %04X %04X %04X %02X %02X %02X %04X \"%s\"",
1307 (unsigned)sym
->st_name
,
1308 (unsigned)sym
->st_value
,
1309 (unsigned)sym
->st_size
,
1310 (unsigned)ELFW_ST_BIND(sym
->st_info
),
1311 (unsigned)ELFW_ST_TYPE(sym
->st_info
),
1312 (unsigned)sym
->st_other
,
1313 (unsigned)sym
->st_shndx
,
1316 } else if (s
->sh_type
== SHT_RELX
) {
1317 ElfW_Rel
*rel
= (ElfW_Rel
*) (p
+ i
);
1319 (ElfW(Sym
) *) s
->link
->data
+ ELFW_R_(SYM
)(rel
->r_info
);
1320 const char *name
= s
->link
->link
->data
+ sym
->st_name
;
1321 fprintf(f
, " %04X %02X %04X \"%s\"",
1322 (unsigned)rel
->r_offset
,
1323 (unsigned)ELFW_R_(TYPE
)(rel
->r_info
),
1324 (unsigned)ELFW_R_(SYM
)(rel
->r_info
),
1328 for (n
= 0; n
< m
; ++n
) {
1331 if (b
< 32 || b
>= 127)
1333 fprintf(f
, "%c", b
);
1343 ST_FN
void pe_print_sections(TCCState
*s1
, const char *fname
)
1348 f
= fopen(fname
, "w");
1349 for (i
= 1; i
< s1
->nb_sections
; ++i
) {
1350 s
= s1
->sections
[i
];
1351 pe_print_section(f
, s
);
1353 pe_print_section(f
, s1
->dynsymtab_section
);
1358 /* -------------------------------------------------------------
1359 * This is for compiled windows resources in 'coff' format
1360 * as generated by 'windres.exe -O coff ...'.
1363 PUB_FN
int pe_test_res_file(void *v
, int size
)
1365 struct pe_rsrc_header
*p
= (struct pe_rsrc_header
*)v
;
1367 size
>= IMAGE_SIZEOF_FILE_HEADER
+ IMAGE_SIZEOF_SHORT_NAME
/* = 28 */
1368 && p
->filehdr
.Machine
== 0x014C
1369 && 1 == p
->filehdr
.NumberOfSections
1370 && 0 == strcmp(p
->sectionhdr
.Name
, ".rsrc")
1374 ST_FN
int read_n(int fd
, void *ptr
, unsigned size
)
1376 return size
== read(fd
, ptr
, size
);
1379 PUB_FN
int pe_load_res_file(TCCState
*s1
, int fd
)
1381 struct pe_rsrc_header hdr
;
1382 Section
*rsrc_section
;
1386 lseek (fd
, 0, SEEK_SET
);
1387 if (!read_n(fd
, &hdr
, sizeof hdr
))
1389 if (!pe_test_res_file(&hdr
, sizeof hdr
))
1392 rsrc_section
= new_section(s1
, ".rsrc", SHT_PROGBITS
, SHF_ALLOC
);
1393 ptr
= section_ptr_add(rsrc_section
, hdr
.sectionhdr
.SizeOfRawData
);
1394 lseek (fd
, hdr
.sectionhdr
.PointerToRawData
, SEEK_SET
);
1395 if (!read_n(fd
, ptr
, hdr
.sectionhdr
.SizeOfRawData
))
1398 lseek (fd
, hdr
.sectionhdr
.PointerToRelocations
, SEEK_SET
);
1399 for (i
= 0; i
< hdr
.sectionhdr
.NumberOfRelocations
; ++i
)
1401 struct pe_rsrc_reloc rel
;
1402 if (!read_n(fd
, &rel
, sizeof rel
))
1404 // printf("rsrc_reloc: %x %x %x\n", rel.offset, rel.size, rel.type);
1405 if (rel
.type
!= 7) /* DIR32NB */
1407 put_elf_reloc(symtab_section
, rsrc_section
,
1408 rel
.offset
, R_XXX_RELATIVE
, 0);
1413 error_noabort("unrecognized resource file format");
1417 /* ------------------------------------------------------------- */
1418 ST_FN
char *trimfront(char *p
)
1420 while (*p
&& (unsigned char)*p
<= ' ')
1425 ST_FN
char *trimback(char *a
, char *e
)
1427 while (e
> a
&& (unsigned char)e
[-1] <= ' ')
1433 ST_FN
char *get_line(char *line
, int size
, FILE *fp
)
1435 if (NULL
== fgets(line
, size
, fp
))
1437 trimback(line
, strchr(line
, 0));
1438 return trimfront(line
);
1441 /* ------------------------------------------------------------- */
1442 PUB_FN
int pe_load_def_file(TCCState
*s1
, int fd
)
1444 DLLReference
*dllref
;
1445 int state
= 0, ret
= -1;
1446 char line
[400], dllname
[80], *p
;
1447 FILE *fp
= fdopen(dup(fd
), "rb");
1453 p
= get_line(line
, sizeof line
, fp
);
1456 if (0 == *p
|| ';' == *p
)
1460 if (0 != strnicmp(p
, "LIBRARY", 7))
1462 strcpy(dllname
, trimfront(p
+7));
1467 if (0 != stricmp(p
, "EXPORTS"))
1473 dllref
= tcc_mallocz(sizeof(DLLReference
) + strlen(dllname
));
1474 strcpy(dllref
->name
, dllname
);
1475 dynarray_add((void ***) &s1
->loaded_dlls
, &s1
->nb_loaded_dlls
, dllref
);
1479 add_elf_sym(s1
->dynsymtab_section
,
1480 s1
->nb_loaded_dlls
, 0,
1481 ELFW_ST_INFO(STB_GLOBAL
, STT_FUNC
), 0,
1482 text_section
->sh_num
, p
);
1491 error_noabort("unrecognized export definition file format");
1495 /* ------------------------------------------------------------- */
1496 #ifdef TCC_TARGET_X86_64
1497 #define PE_STDSYM(n,s) n
1499 #define PE_STDSYM(n,s) "_" n s
1502 ST_FN
void pe_add_runtime_ex(TCCState
*s1
, struct pe_info
*pe
)
1504 const char *start_symbol
;
1505 unsigned long addr
= 0;
1508 if (find_elf_sym(symtab_section
, PE_STDSYM("WinMain","@16")))
1511 if (TCC_OUTPUT_DLL
== s1
->output_type
) {
1513 /* need this for 'tccelf.c:relocate_section()' */
1514 s1
->output_type
= TCC_OUTPUT_EXE
;
1518 TCC_OUTPUT_MEMORY
== s1
->output_type
1519 ? PE_GUI
== pe_type
? "_runwinmain" : NULL
1520 : PE_DLL
== pe_type
? PE_STDSYM("_dllstart","@12")
1521 : PE_GUI
== pe_type
? "_winstart" : "_start"
1524 /* grab the startup code from libtcc1 */
1526 add_elf_sym(symtab_section
,
1528 ELFW_ST_INFO(STB_GLOBAL
, STT_NOTYPE
), 0,
1529 SHN_UNDEF
, start_symbol
);
1531 if (0 == s1
->nostdlib
) {
1532 static const char *libs
[] = {
1533 "tcc1", "msvcrt", "kernel32", "", "user32", "gdi32", NULL
1535 const char **pp
, *p
;
1536 for (pp
= libs
; 0 != (p
= *pp
); ++pp
) {
1538 if (PE_DLL
!= pe_type
&& PE_GUI
!= pe_type
)
1540 } else if (tcc_add_library(s1
, p
) < 0)
1541 error_noabort("cannot find library: %s", p
);
1546 addr
= (uplong
)tcc_get_symbol_err(s1
, start_symbol
);
1547 if (s1
->output_type
== TCC_OUTPUT_MEMORY
&& addr
)
1548 /* for -run GUI's, put '_runwinmain' instead of 'main' */
1549 add_elf_sym(symtab_section
,
1551 ELFW_ST_INFO(STB_GLOBAL
, STT_NOTYPE
), 0,
1552 text_section
->sh_num
, "main");
1556 pe
->start_addr
= addr
;
1559 PUB_FN
int pe_output_file(TCCState
* s1
, const char *filename
)
1565 memset(&pe
, 0, sizeof pe
);
1566 pe
.filename
= filename
;
1569 pe_add_runtime_ex(s1
, &pe
);
1570 relocate_common_syms(); /* assign bss adresses */
1571 tcc_add_linker_symbols(s1
);
1573 ret
= pe_check_symbols(&pe
);
1578 if (PE_DLL
== pe
.type
) {
1579 pe
.reloc
= new_section(pe
.s1
, ".reloc", SHT_PROGBITS
, 0);
1580 pe
.imagebase
= 0x10000000;
1582 pe
.imagebase
= 0x00400000;
1584 pe_assign_addresses(&pe
);
1585 relocate_syms(s1
, 0);
1586 for (i
= 1; i
< s1
->nb_sections
; ++i
) {
1587 Section
*s
= s1
->sections
[i
];
1589 relocate_section(s1
, s
);
1590 pe_relocate_rva(&pe
, s
);
1596 ret
= pe_write(&pe
);
1597 tcc_free(pe
.sec_info
);
1599 #ifndef TCC_IS_NATIVE
1600 error_noabort("-run supported only on native platform");
1603 pe
.thunk
= data_section
;
1604 pe_build_imports(&pe
);
1607 #ifdef PE_PRINT_SECTIONS
1608 pe_print_sections(s1
, "tcc.log");
1613 /* ------------------------------------------------------------- */
1614 #endif /* def TCC_TARGET_PE */
1615 /* ------------------------------------------------------------- */