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weak definitions overrule non-weak prototypes
[tinycc.git] / tccpe.c
blob6631473c8e508209da3ceddae2d4f6a088befab8
1 /*
2 * TCCPE.C - PE file output for the Tiny C Compiler
3 *
4 * Copyright (c) 2005-2007 grischka
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include "tcc.h"
22
23 #ifndef _WIN32
24 #define stricmp strcasecmp
25 #define strnicmp strncasecmp
26 #endif
27
28 #ifndef MAX_PATH
29 #define MAX_PATH 260
30 #endif
31
32 #define PE_MERGE_DATA
33 // #define PE_PRINT_SECTIONS
34
35 #ifdef TCC_TARGET_X86_64
36 # define ADDR3264 ULONGLONG
37 #else
38 # define ADDR3264 DWORD
39 #endif
40
41 #if defined _WIN32 && (defined _WIN64) == (defined TCC_TARGET_X86_64)
42 #define TCC_IS_NATIVE
43 #endif
44
45 #ifdef _WIN32
46 void dbg_printf (const char *fmt, ...)
47 {
48 char buffer[4000];
49 va_list arg;
50 int x;
51 va_start(arg, fmt);
52 x = vsprintf (buffer, fmt, arg);
53 strcpy(buffer+x, "\n");
54 OutputDebugString(buffer);
55 }
56 #endif
57
58 /* ----------------------------------------------------------- */
59 #ifndef IMAGE_NT_SIGNATURE
60 /* ----------------------------------------------------------- */
61 /* definitions below are from winnt.h */
62
63 typedef unsigned char BYTE;
64 typedef unsigned short WORD;
65 typedef unsigned int DWORD;
66 typedef unsigned long long ULONGLONG;
67 #pragma pack(push, 1)
68
69 typedef struct _IMAGE_DOS_HEADER { /* DOS .EXE header */
70 WORD e_magic; /* Magic number */
71 WORD e_cblp; /* Bytes on last page of file */
72 WORD e_cp; /* Pages in file */
73 WORD e_crlc; /* Relocations */
74 WORD e_cparhdr; /* Size of header in paragraphs */
75 WORD e_minalloc; /* Minimum extra paragraphs needed */
76 WORD e_maxalloc; /* Maximum extra paragraphs needed */
77 WORD e_ss; /* Initial (relative) SS value */
78 WORD e_sp; /* Initial SP value */
79 WORD e_csum; /* Checksum */
80 WORD e_ip; /* Initial IP value */
81 WORD e_cs; /* Initial (relative) CS value */
82 WORD e_lfarlc; /* File address of relocation table */
83 WORD e_ovno; /* Overlay number */
84 WORD e_res[4]; /* Reserved words */
85 WORD e_oemid; /* OEM identifier (for e_oeminfo) */
86 WORD e_oeminfo; /* OEM information; e_oemid specific */
87 WORD e_res2[10]; /* Reserved words */
88 DWORD e_lfanew; /* File address of new exe header */
89 } IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;
90
91 #define IMAGE_NT_SIGNATURE 0x00004550 /* PE00 */
92 #define SIZE_OF_NT_SIGNATURE 4
93
94 typedef struct _IMAGE_FILE_HEADER {
95 WORD Machine;
96 WORD NumberOfSections;
97 DWORD TimeDateStamp;
98 DWORD PointerToSymbolTable;
99 DWORD NumberOfSymbols;
100 WORD SizeOfOptionalHeader;
101 WORD Characteristics;
102 } IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;
103
104
105 #define IMAGE_SIZEOF_FILE_HEADER 20
106
107 typedef struct _IMAGE_DATA_DIRECTORY {
108 DWORD VirtualAddress;
109 DWORD Size;
110 } IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY;
111
112
113 typedef struct _IMAGE_OPTIONAL_HEADER {
114 /* Standard fields. */
115 WORD Magic;
116 BYTE MajorLinkerVersion;
117 BYTE MinorLinkerVersion;
118 DWORD SizeOfCode;
119 DWORD SizeOfInitializedData;
120 DWORD SizeOfUninitializedData;
121 DWORD AddressOfEntryPoint;
122 DWORD BaseOfCode;
123 #ifndef TCC_TARGET_X86_64
124 DWORD BaseOfData;
125 #endif
126 /* NT additional fields. */
127 ADDR3264 ImageBase;
128 DWORD SectionAlignment;
129 DWORD FileAlignment;
130 WORD MajorOperatingSystemVersion;
131 WORD MinorOperatingSystemVersion;
132 WORD MajorImageVersion;
133 WORD MinorImageVersion;
134 WORD MajorSubsystemVersion;
135 WORD MinorSubsystemVersion;
136 DWORD Win32VersionValue;
137 DWORD SizeOfImage;
138 DWORD SizeOfHeaders;
139 DWORD CheckSum;
140 WORD Subsystem;
141 WORD DllCharacteristics;
142 ADDR3264 SizeOfStackReserve;
143 ADDR3264 SizeOfStackCommit;
144 ADDR3264 SizeOfHeapReserve;
145 ADDR3264 SizeOfHeapCommit;
146 DWORD LoaderFlags;
147 DWORD NumberOfRvaAndSizes;
148 IMAGE_DATA_DIRECTORY DataDirectory[16];
149 } IMAGE_OPTIONAL_HEADER32, IMAGE_OPTIONAL_HEADER64, IMAGE_OPTIONAL_HEADER;
150
151 #define IMAGE_DIRECTORY_ENTRY_EXPORT 0 /* Export Directory */
152 #define IMAGE_DIRECTORY_ENTRY_IMPORT 1 /* Import Directory */
153 #define IMAGE_DIRECTORY_ENTRY_RESOURCE 2 /* Resource Directory */
154 #define IMAGE_DIRECTORY_ENTRY_EXCEPTION 3 /* Exception Directory */
155 #define IMAGE_DIRECTORY_ENTRY_SECURITY 4 /* Security Directory */
156 #define IMAGE_DIRECTORY_ENTRY_BASERELOC 5 /* Base Relocation Table */
157 #define IMAGE_DIRECTORY_ENTRY_DEBUG 6 /* Debug Directory */
158 /* IMAGE_DIRECTORY_ENTRY_COPYRIGHT 7 (X86 usage) */
159 #define IMAGE_DIRECTORY_ENTRY_ARCHITECTURE 7 /* Architecture Specific Data */
160 #define IMAGE_DIRECTORY_ENTRY_GLOBALPTR 8 /* RVA of GP */
161 #define IMAGE_DIRECTORY_ENTRY_TLS 9 /* TLS Directory */
162 #define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG 10 /* Load Configuration Directory */
163 #define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT 11 /* Bound Import Directory in headers */
164 #define IMAGE_DIRECTORY_ENTRY_IAT 12 /* Import Address Table */
165 #define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT 13 /* Delay Load Import Descriptors */
166 #define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR 14 /* COM Runtime descriptor */
167
168 /* Section header format. */
169 #define IMAGE_SIZEOF_SHORT_NAME 8
170
171 typedef struct _IMAGE_SECTION_HEADER {
172 BYTE Name[IMAGE_SIZEOF_SHORT_NAME];
173 union {
174 DWORD PhysicalAddress;
175 DWORD VirtualSize;
176 } Misc;
177 DWORD VirtualAddress;
178 DWORD SizeOfRawData;
179 DWORD PointerToRawData;
180 DWORD PointerToRelocations;
181 DWORD PointerToLinenumbers;
182 WORD NumberOfRelocations;
183 WORD NumberOfLinenumbers;
184 DWORD Characteristics;
185 } IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER;
186
187 #define IMAGE_SIZEOF_SECTION_HEADER 40
188
189 typedef struct _IMAGE_EXPORT_DIRECTORY {
190 DWORD Characteristics;
191 DWORD TimeDateStamp;
192 WORD MajorVersion;
193 WORD MinorVersion;
194 DWORD Name;
195 DWORD Base;
196 DWORD NumberOfFunctions;
197 DWORD NumberOfNames;
198 DWORD AddressOfFunctions;
199 DWORD AddressOfNames;
200 DWORD AddressOfNameOrdinals;
201 } IMAGE_EXPORT_DIRECTORY,*PIMAGE_EXPORT_DIRECTORY;
202
203 typedef struct _IMAGE_IMPORT_DESCRIPTOR {
204 union {
205 DWORD Characteristics;
206 DWORD OriginalFirstThunk;
207 };
208 DWORD TimeDateStamp;
209 DWORD ForwarderChain;
210 DWORD Name;
211 DWORD FirstThunk;
212 } IMAGE_IMPORT_DESCRIPTOR;
213
214 typedef struct _IMAGE_BASE_RELOCATION {
215 DWORD VirtualAddress;
216 DWORD SizeOfBlock;
217 // WORD TypeOffset[1];
218 } IMAGE_BASE_RELOCATION;
219
220 #define IMAGE_SIZEOF_BASE_RELOCATION 8
221
222 #define IMAGE_REL_BASED_ABSOLUTE 0
223 #define IMAGE_REL_BASED_HIGH 1
224 #define IMAGE_REL_BASED_LOW 2
225 #define IMAGE_REL_BASED_HIGHLOW 3
226 #define IMAGE_REL_BASED_HIGHADJ 4
227 #define IMAGE_REL_BASED_MIPS_JMPADDR 5
228 #define IMAGE_REL_BASED_SECTION 6
229 #define IMAGE_REL_BASED_REL32 7
230
231 #pragma pack(pop)
232
233 /* ----------------------------------------------------------- */
234 #endif /* ndef IMAGE_NT_SIGNATURE */
235 /* ----------------------------------------------------------- */
236 #pragma pack(push, 1)
237
238 struct pe_header
239 {
240 IMAGE_DOS_HEADER doshdr;
241 BYTE dosstub[0x40];
242 DWORD nt_sig;
243 IMAGE_FILE_HEADER filehdr;
244 #ifdef TCC_TARGET_X86_64
245 IMAGE_OPTIONAL_HEADER64 opthdr;
246 #else
247 #ifdef _WIN64
248 IMAGE_OPTIONAL_HEADER32 opthdr;
249 #else
250 IMAGE_OPTIONAL_HEADER opthdr;
251 #endif
252 #endif
253 };
254
255 struct pe_reloc_header {
256 DWORD offset;
257 DWORD size;
258 };
259
260 struct pe_rsrc_header {
261 struct _IMAGE_FILE_HEADER filehdr;
262 struct _IMAGE_SECTION_HEADER sectionhdr;
263 };
264
265 struct pe_rsrc_reloc {
266 DWORD offset;
267 DWORD size;
268 WORD type;
269 };
270
271 #pragma pack(pop)
272
273 /* ------------------------------------------------------------- */
274 /* internal temporary structures */
275
276 /*
277 #define IMAGE_SCN_CNT_CODE 0x00000020
278 #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040
279 #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080
280 #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000
281 #define IMAGE_SCN_MEM_SHARED 0x10000000
282 #define IMAGE_SCN_MEM_EXECUTE 0x20000000
283 #define IMAGE_SCN_MEM_READ 0x40000000
284 #define IMAGE_SCN_MEM_WRITE 0x80000000
285 */
286
287 enum {
288 sec_text = 0,
289 sec_data ,
290 sec_bss ,
291 sec_idata ,
292 sec_pdata ,
293 sec_other ,
294 sec_rsrc ,
295 sec_stab ,
296 sec_reloc ,
297 sec_last
298 };
299
300 static const DWORD pe_sec_flags[] = {
301 0x60000020, /* ".text" , */
302 0xC0000040, /* ".data" , */
303 0xC0000080, /* ".bss" , */
304 0x40000040, /* ".idata" , */
305 0x40000040, /* ".pdata" , */
306 0xE0000060, /* < other > , */
307 0x40000040, /* ".rsrc" , */
308 0x42000802, /* ".stab" , */
309 0x42000040, /* ".reloc" , */
310 };
311
312 struct section_info {
313 int cls, ord;
314 char name[32];
315 DWORD sh_addr;
316 DWORD sh_size;
317 DWORD sh_flags;
318 unsigned char *data;
319 DWORD data_size;
320 IMAGE_SECTION_HEADER ish;
321 };
322
323 struct import_symbol {
324 int sym_index;
325 int iat_index;
326 int thk_offset;
327 };
328
329 struct pe_import_info {
330 int dll_index;
331 int sym_count;
332 struct import_symbol **symbols;
333 };
334
335 struct pe_info {
336 TCCState *s1;
337 Section *reloc;
338 Section *thunk;
339 const char *filename;
340 int type;
341 DWORD sizeofheaders;
342 DWORD imagebase;
343 DWORD start_addr;
344 DWORD imp_offs;
345 DWORD imp_size;
346 DWORD iat_offs;
347 DWORD iat_size;
348 DWORD exp_offs;
349 DWORD exp_size;
350 int subsystem;
351 DWORD section_align;
352 DWORD file_align;
353 struct section_info *sec_info;
354 int sec_count;
355 struct pe_import_info **imp_info;
356 int imp_count;
357 };
358
359 #define PE_NUL 0
360 #define PE_DLL 1
361 #define PE_GUI 2
362 #define PE_EXE 3
363 #define PE_RUN 4
364
365 /* --------------------------------------------*/
366
367 static const char* get_alt_symbol(char *buffer, const char *symbol)
368 {
369 const char *p;
370 p = strrchr(symbol, '@');
371 if (p && isnum(p[1]) && symbol[0] == '_') { /* stdcall decor */
372 strcpy(buffer, symbol+1)[p-symbol-1] = 0;
373 } else if (symbol[0] != '_') { /* try non-ansi function */
374 buffer[0] = '_', strcpy(buffer + 1, symbol);
375 } else if (0 == memcmp(symbol, "__imp__", 7)) { /* mingw 2.0 */
376 strcpy(buffer, symbol + 6);
377 } else if (0 == memcmp(symbol, "_imp___", 7)) { /* mingw 3.7 */
378 strcpy(buffer, symbol + 6);
379 } else {
380 return symbol;
381 }
382 return buffer;
383 }
384
385 static int pe_find_import(TCCState * s1, const char *symbol)
386 {
387 char buffer[200];
388 const char *s;
389 int sym_index, n = 0;
390 do {
391 s = n ? get_alt_symbol(buffer, symbol) : symbol;
392 sym_index = find_elf_sym(s1->dynsymtab_section, s);
393 // printf("find (%d) %d %s\n", n, sym_index, s);
394 } while (0 == sym_index && ++n < 2);
395 return sym_index;
396 }
397
398 /*----------------------------------------------------------------------------*/
399
400 static int dynarray_assoc(void **pp, int n, int key)
401 {
402 int i;
403 for (i = 0; i < n; ++i, ++pp)
404 if (key == **(int **) pp)
405 return i;
406 return -1;
407 }
408
409 #if 0
410 ST_FN DWORD umin(DWORD a, DWORD b)
411 {
412 return a < b ? a : b;
413 }
414 #endif
415
416 static DWORD umax(DWORD a, DWORD b)
417 {
418 return a < b ? b : a;
419 }
420
421 static DWORD pe_file_align(struct pe_info *pe, DWORD n)
422 {
423 return (n + (pe->file_align - 1)) & ~(pe->file_align - 1);
424 }
425
426 static DWORD pe_virtual_align(struct pe_info *pe, DWORD n)
427 {
428 return (n + (pe->section_align - 1)) & ~(pe->section_align - 1);
429 }
430
431 static void pe_align_section(Section *s, int a)
432 {
433 int i = s->data_offset & (a-1);
434 if (i)
435 section_ptr_add(s, a - i);
436 }
437
438 static void pe_set_datadir(struct pe_header *hdr, int dir, DWORD addr, DWORD size)
439 {
440 hdr->opthdr.DataDirectory[dir].VirtualAddress = addr;
441 hdr->opthdr.DataDirectory[dir].Size = size;
442 }
443
444 static int pe_fwrite(void *data, unsigned len, FILE *fp, DWORD *psum)
445 {
446 if (psum) {
447 DWORD sum = *psum;
448 WORD *p = data;
449 int i;
450 for (i = len; i > 0; i -= 2) {
451 sum += (i >= 2) ? *p++ : *(BYTE*)p;
452 sum = (sum + (sum >> 16)) & 0xFFFF;
453 }
454 *psum = sum;
455 }
456 return len == fwrite(data, 1, len, fp) ? 0 : -1;
457 }
458
459 static void pe_fpad(FILE *fp, DWORD new_pos)
460 {
461 DWORD pos = ftell(fp);
462 while (++pos <= new_pos)
463 fputc(0, fp);
464 }
465
466 /*----------------------------------------------------------------------------*/
467 static int pe_write(struct pe_info *pe)
468 {
469 static const struct pe_header pe_template = {
470 {
471 /* IMAGE_DOS_HEADER doshdr */
472 0x5A4D, /*WORD e_magic; Magic number */
473 0x0090, /*WORD e_cblp; Bytes on last page of file */
474 0x0003, /*WORD e_cp; Pages in file */
475 0x0000, /*WORD e_crlc; Relocations */
476
477 0x0004, /*WORD e_cparhdr; Size of header in paragraphs */
478 0x0000, /*WORD e_minalloc; Minimum extra paragraphs needed */
479 0xFFFF, /*WORD e_maxalloc; Maximum extra paragraphs needed */
480 0x0000, /*WORD e_ss; Initial (relative) SS value */
481
482 0x00B8, /*WORD e_sp; Initial SP value */
483 0x0000, /*WORD e_csum; Checksum */
484 0x0000, /*WORD e_ip; Initial IP value */
485 0x0000, /*WORD e_cs; Initial (relative) CS value */
486 0x0040, /*WORD e_lfarlc; File address of relocation table */
487 0x0000, /*WORD e_ovno; Overlay number */
488 {0,0,0,0}, /*WORD e_res[4]; Reserved words */
489 0x0000, /*WORD e_oemid; OEM identifier (for e_oeminfo) */
490 0x0000, /*WORD e_oeminfo; OEM information; e_oemid specific */
491 {0,0,0,0,0,0,0,0,0,0}, /*WORD e_res2[10]; Reserved words */
492 0x00000080 /*DWORD e_lfanew; File address of new exe header */
493 },{
494 /* BYTE dosstub[0x40] */
495 /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */
496 0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,0x4c,0xcd,0x21,0x54,0x68,
497 0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,0x20,0x63,0x61,0x6e,0x6e,0x6f,
498 0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,0x69,0x6e,0x20,0x44,0x4f,0x53,0x20,
499 0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0d,0x0a,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
500 },
501 0x00004550, /* DWORD nt_sig = IMAGE_NT_SIGNATURE */
502 {
503 /* IMAGE_FILE_HEADER filehdr */
504 #if defined(TCC_TARGET_I386)
505 0x014C, /*WORD Machine; */
506 #elif defined(TCC_TARGET_X86_64)
507 0x8664, /*WORD Machine; */
508 #elif defined(TCC_TARGET_ARM)
509 0x01C0, /*WORD Machine; */
510 #endif
511 0x0003, /*WORD NumberOfSections; */
512 0x00000000, /*DWORD TimeDateStamp; */
513 0x00000000, /*DWORD PointerToSymbolTable; */
514 0x00000000, /*DWORD NumberOfSymbols; */
515 #if defined(TCC_TARGET_X86_64)
516 0x00F0, /*WORD SizeOfOptionalHeader; */
517 0x022F /*WORD Characteristics; */
518 #define CHARACTERISTICS_DLL 0x222E
519 #elif defined(TCC_TARGET_I386)
520 0x00E0, /*WORD SizeOfOptionalHeader; */
521 0x030F /*WORD Characteristics; */
522 #define CHARACTERISTICS_DLL 0x230E
523 #elif defined(TCC_TARGET_ARM)
524 0x00E0, /*WORD SizeOfOptionalHeader; */
525 0x010F, /*WORD Characteristics; */
526 #define CHARACTERISTICS_DLL 0x230F
527 #endif
528 },{
529 /* IMAGE_OPTIONAL_HEADER opthdr */
530 /* Standard fields. */
531 #ifdef TCC_TARGET_X86_64
532 0x020B, /*WORD Magic; */
533 #else
534 0x010B, /*WORD Magic; */
535 #endif
536 0x06, /*BYTE MajorLinkerVersion; */
537 0x00, /*BYTE MinorLinkerVersion; */
538 0x00000000, /*DWORD SizeOfCode; */
539 0x00000000, /*DWORD SizeOfInitializedData; */
540 0x00000000, /*DWORD SizeOfUninitializedData; */
541 0x00000000, /*DWORD AddressOfEntryPoint; */
542 0x00000000, /*DWORD BaseOfCode; */
543 #ifndef TCC_TARGET_X86_64
544 0x00000000, /*DWORD BaseOfData; */
545 #endif
546 /* NT additional fields. */
547 #if defined(TCC_TARGET_ARM)
548 0x00100000, /*DWORD ImageBase; */
549 #else
550 0x00400000, /*DWORD ImageBase; */
551 #endif
552 0x00001000, /*DWORD SectionAlignment; */
553 0x00000200, /*DWORD FileAlignment; */
554 0x0004, /*WORD MajorOperatingSystemVersion; */
555 0x0000, /*WORD MinorOperatingSystemVersion; */
556 0x0000, /*WORD MajorImageVersion; */
557 0x0000, /*WORD MinorImageVersion; */
558 0x0004, /*WORD MajorSubsystemVersion; */
559 0x0000, /*WORD MinorSubsystemVersion; */
560 0x00000000, /*DWORD Win32VersionValue; */
561 0x00000000, /*DWORD SizeOfImage; */
562 0x00000200, /*DWORD SizeOfHeaders; */
563 0x00000000, /*DWORD CheckSum; */
564 0x0002, /*WORD Subsystem; */
565 0x0000, /*WORD DllCharacteristics; */
566 0x00100000, /*DWORD SizeOfStackReserve; */
567 0x00001000, /*DWORD SizeOfStackCommit; */
568 0x00100000, /*DWORD SizeOfHeapReserve; */
569 0x00001000, /*DWORD SizeOfHeapCommit; */
570 0x00000000, /*DWORD LoaderFlags; */
571 0x00000010, /*DWORD NumberOfRvaAndSizes; */
572
573 /* IMAGE_DATA_DIRECTORY DataDirectory[16]; */
574 {{0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0},
575 {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}}
576 }};
577
578 struct pe_header pe_header = pe_template;
579
580 int i;
581 FILE *op;
582 DWORD file_offset, sum;
583 struct section_info *si;
584 IMAGE_SECTION_HEADER *psh;
585
586 op = fopen(pe->filename, "wb");
587 if (NULL == op) {
588 error_noabort("could not write '%s': %s", pe->filename, strerror(errno));
589 return -1;
590 }
591
592 pe->sizeofheaders = pe_file_align(pe,
593 sizeof (struct pe_header)
594 + pe->sec_count * sizeof (IMAGE_SECTION_HEADER)
595 );
596
597 file_offset = pe->sizeofheaders;
598
599 if (2 == pe->s1->verbose)
600 printf("-------------------------------"
601 "\n virt file size section" "\n");
602 for (i = 0; i < pe->sec_count; ++i) {
603 DWORD addr, size;
604 const char *sh_name;
605
606 si = pe->sec_info + i;
607 sh_name = si->name;
608 addr = si->sh_addr - pe->imagebase;
609 size = si->sh_size;
610 psh = &si->ish;
611
612 if (2 == pe->s1->verbose)
613 printf("%6x %6x %6x %s\n",
614 (unsigned)addr, (unsigned)file_offset, (unsigned)size, sh_name);
615
616 switch (si->cls) {
617 case sec_text:
618 pe_header.opthdr.BaseOfCode = addr;
619 pe_header.opthdr.AddressOfEntryPoint = addr + pe->start_addr;
620 break;
621
622 case sec_data:
623 #ifndef TCC_TARGET_X86_64
624 pe_header.opthdr.BaseOfData = addr;
625 #endif
626 break;
627
628 case sec_bss:
629 break;
630
631 case sec_reloc:
632 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_BASERELOC, addr, size);
633 break;
634
635 case sec_rsrc:
636 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_RESOURCE, addr, size);
637 break;
638
639 case sec_pdata:
640 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_EXCEPTION, addr, size);
641 break;
642
643 case sec_stab:
644 break;
645 }
646
647 if (pe->thunk == pe->s1->sections[si->ord]) {
648 if (pe->imp_size) {
649 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_IMPORT,
650 pe->imp_offs + addr, pe->imp_size);
651 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_IAT,
652 pe->iat_offs + addr, pe->iat_size);
653 }
654 if (pe->exp_size) {
655 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_EXPORT,
656 pe->exp_offs + addr, pe->exp_size);
657 }
658 }
659
660 strcpy((char*)psh->Name, sh_name);
661
662 psh->Characteristics = pe_sec_flags[si->cls];
663 psh->VirtualAddress = addr;
664 psh->Misc.VirtualSize = size;
665 pe_header.opthdr.SizeOfImage =
666 umax(pe_virtual_align(pe, size + addr), pe_header.opthdr.SizeOfImage);
667
668 if (si->data_size) {
669 psh->PointerToRawData = file_offset;
670 file_offset = pe_file_align(pe, file_offset + si->data_size);
671 psh->SizeOfRawData = file_offset - psh->PointerToRawData;
672 }
673 }
674
675 //pe_header.filehdr.TimeDateStamp = time(NULL);
676 pe_header.filehdr.NumberOfSections = pe->sec_count;
677 pe_header.opthdr.SizeOfHeaders = pe->sizeofheaders;
678 pe_header.opthdr.ImageBase = pe->imagebase;
679 if (PE_DLL == pe->type)
680 pe_header.filehdr.Characteristics = CHARACTERISTICS_DLL;
681 else if (PE_GUI != pe->type)
682 pe_header.opthdr.Subsystem = 3;
683 if (pe->subsystem == 9) // WinCE
684 pe_header.opthdr.Subsystem = 9;
685
686 sum = 0;
687 pe_fwrite(&pe_header, sizeof pe_header, op, &sum);
688 for (i = 0; i < pe->sec_count; ++i)
689 pe_fwrite(&pe->sec_info[i].ish, sizeof(IMAGE_SECTION_HEADER), op, &sum);
690 pe_fpad(op, pe->sizeofheaders);
691 for (i = 0; i < pe->sec_count; ++i) {
692 si = pe->sec_info + i;
693 psh = &si->ish;
694 if (si->data_size) {
695 pe_fwrite(si->data, si->data_size, op, &sum);
696 file_offset = psh->PointerToRawData + psh->SizeOfRawData;
697 pe_fpad(op, file_offset);
698 }
699 }
700
701 pe_header.opthdr.CheckSum = sum + file_offset;
702 fseek(op, offsetof(struct pe_header, opthdr.CheckSum), SEEK_SET);
703 pe_fwrite(&pe_header.opthdr.CheckSum, sizeof pe_header.opthdr.CheckSum, op, NULL);
704 fclose (op);
705
706 if (2 == pe->s1->verbose)
707 printf("-------------------------------\n");
708 if (pe->s1->verbose)
709 printf("<- %s (%u bytes)\n", pe->filename, (unsigned)file_offset);
710
711 return 0;
712 }
713
714 /*----------------------------------------------------------------------------*/
715
716 #if defined(TCC_TARGET_X86_64)
717 #define ELFW_R_(type) ELF64_R_##type
718 #define ElfW_Rel ElfW(Rela)
719
720 #define REL_TYPE_DIRECT R_X86_64_64
721 #define R_XXX_THUNKFIX R_X86_64_PC32
722 #define R_XXX_RELATIVE R_X86_64_RELATIVE
723
724 #define ELFW_ST_BIND ELF64_ST_BIND
725 #define ELFW_ST_TYPE ELF64_ST_TYPE
726 #define ELFW_ST_INFO ELF64_ST_INFO
727 #elif defined(TCC_TARGET_I386)
728 #define ELFW_R_(type) ELF32_R_##type
729 #define ElfW_Rel ElfW(Rel)
730
731 #define REL_TYPE_DIRECT R_386_32
732 #define R_XXX_THUNKFIX R_386_32
733 #define R_XXX_RELATIVE R_386_RELATIVE
734
735 #define ELFW_ST_BIND ELF32_ST_BIND
736 #define ELFW_ST_TYPE ELF32_ST_TYPE
737 #define ELFW_ST_INFO ELF32_ST_INFO
738 #elif defined(TCC_TARGET_ARM)
739 #define ELFW_R_(type) ELF32_R_##type
740 #define ElfW_Rel ElfW(Rel)
741
742 #define REL_TYPE_DIRECT R_ARM_ABS32
743 #define R_XXX_THUNKFIX R_ARM_ABS32
744 #define R_XXX_RELATIVE R_ARM_RELATIVE
745
746 #define ELFW_ST_BIND ELF32_ST_BIND
747 #define ELFW_ST_TYPE ELF32_ST_TYPE
748 #define ELFW_ST_INFO ELF32_ST_INFO
749 #endif
750 /*----------------------------------------------------------------------------*/
751
752 static struct import_symbol *pe_add_import(struct pe_info *pe, int sym_index)
753 {
754 int i;
755 int dll_index;
756 struct pe_import_info *p;
757 struct import_symbol *s;
758 ElfW(Sym) *isym;
759
760 isym = (ElfW(Sym) *)pe->s1->dynsymtab_section->data + sym_index;
761 dll_index = isym->st_size;
762
763 i = dynarray_assoc ((void**)pe->imp_info, pe->imp_count, dll_index);
764 if (-1 != i) {
765 p = pe->imp_info[i];
766 goto found_dll;
767 }
768 p = tcc_mallocz(sizeof *p);
769 p->dll_index = dll_index;
770 dynarray_add((void***)&pe->imp_info, &pe->imp_count, p);
771
772 found_dll:
773 i = dynarray_assoc ((void**)p->symbols, p->sym_count, sym_index);
774 if (-1 != i)
775 return p->symbols[i];
776
777 s = tcc_mallocz(sizeof *s);
778 dynarray_add((void***)&p->symbols, &p->sym_count, s);
779 s->sym_index = sym_index;
780 return s;
781 }
782
783 /*----------------------------------------------------------------------------*/
784 static void pe_build_imports(struct pe_info *pe)
785 {
786 int thk_ptr, ent_ptr, dll_ptr, sym_cnt, i;
787 DWORD rva_base = pe->thunk->sh_addr - pe->imagebase;
788 int ndlls = pe->imp_count;
789
790 for (sym_cnt = i = 0; i < ndlls; ++i)
791 sym_cnt += pe->imp_info[i]->sym_count;
792
793 if (0 == sym_cnt)
794 return;
795
796 pe_align_section(pe->thunk, 16);
797
798 pe->imp_offs = dll_ptr = pe->thunk->data_offset;
799 pe->imp_size = (ndlls + 1) * sizeof(IMAGE_IMPORT_DESCRIPTOR);
800 pe->iat_offs = dll_ptr + pe->imp_size;
801 pe->iat_size = (sym_cnt + ndlls) * sizeof(ADDR3264);
802 section_ptr_add(pe->thunk, pe->imp_size + 2*pe->iat_size);
803
804 thk_ptr = pe->iat_offs;
805 ent_ptr = pe->iat_offs + pe->iat_size;
806
807 for (i = 0; i < pe->imp_count; ++i) {
808 IMAGE_IMPORT_DESCRIPTOR *hdr;
809 int k, n, dllindex;
810 ADDR3264 v;
811 struct pe_import_info *p = pe->imp_info[i];
812 const char *name;
813 DLLReference *dllref;
814
815 dllindex = p->dll_index;
816 if (dllindex)
817 name = (dllref = pe->s1->loaded_dlls[dllindex-1])->name;
818 else
819 name = "", dllref = NULL;
820
821 /* put the dll name into the import header */
822 v = put_elf_str(pe->thunk, name);
823 hdr = (IMAGE_IMPORT_DESCRIPTOR*)(pe->thunk->data + dll_ptr);
824 hdr->FirstThunk = thk_ptr + rva_base;
825 hdr->OriginalFirstThunk = ent_ptr + rva_base;
826 hdr->Name = v + rva_base;
827
828 for (k = 0, n = p->sym_count; k <= n; ++k) {
829 if (k < n) {
830 int iat_index = p->symbols[k]->iat_index;
831 int sym_index = p->symbols[k]->sym_index;
832 ElfW(Sym) *imp_sym = (ElfW(Sym) *)pe->s1->dynsymtab_section->data + sym_index;
833 ElfW(Sym) *org_sym = (ElfW(Sym) *)symtab_section->data + iat_index;
834 const char *name = pe->s1->dynsymtab_section->link->data + imp_sym->st_name;
835
836 org_sym->st_value = thk_ptr;
837 org_sym->st_shndx = pe->thunk->sh_num;
838 v = pe->thunk->data_offset + rva_base;
839 section_ptr_add(pe->thunk, sizeof(WORD)); /* hint, not used */
840 put_elf_str(pe->thunk, name);
841 #ifdef TCC_IS_NATIVE
842 if (pe->type == PE_RUN) {
843 v = imp_sym->st_value;
844 if (dllref) {
845 if ( !dllref->handle )
846 dllref->handle = LoadLibrary(dllref->name);
847 v = (ADDR3264)GetProcAddress(dllref->handle, name);
848 }
849 if (!v)
850 error_noabort("undefined symbol '%s'", name);
851 }
852 #endif
853 } else {
854 v = 0; /* last entry is zero */
855 }
856 *(ADDR3264*)(pe->thunk->data+thk_ptr) =
857 *(ADDR3264*)(pe->thunk->data+ent_ptr) = v;
858 thk_ptr += sizeof (ADDR3264);
859 ent_ptr += sizeof (ADDR3264);
860 }
861 dll_ptr += sizeof(IMAGE_IMPORT_DESCRIPTOR);
862 dynarray_reset(&p->symbols, &p->sym_count);
863 }
864 dynarray_reset(&pe->imp_info, &pe->imp_count);
865 }
866
867 /* ------------------------------------------------------------- */
868
869 struct pe_sort_sym
870 {
871 int index;
872 const char *name;
873 };
874
875 static int sym_cmp(const void *va, const void *vb)
876 {
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);
880 }
881
882 static void pe_build_exports(struct pe_info *pe)
883 {
884 ElfW(Sym) *sym;
885 int sym_index, sym_end;
886 DWORD rva_base, func_o, name_o, ord_o, str_o;
887 IMAGE_EXPORT_DIRECTORY *hdr;
888 int sym_count, ord;
889 struct pe_sort_sym **sorted, *p;
890
891 FILE *op;
892 char buf[MAX_PATH];
893 const char *dllname;
894 const char *name;
895
896 rva_base = pe->thunk->sh_addr - pe->imagebase;
897 sym_count = 0, sorted = NULL, op = NULL;
898
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;
908 p->name = name;
909 dynarray_add((void***)&sorted, &sym_count, p);
910 }
911 #if 0
912 if (sym->st_other & 1)
913 printf("export: %s\n", name);
914 if (sym->st_other & 2)
915 printf("stdcall: %s\n", name);
916 #endif
917 }
918
919 if (0 == sym_count)
920 return;
921
922 qsort (sorted, sym_count, sizeof *sorted, sym_cmp);
923
924 pe_align_section(pe->thunk, 16);
925 dllname = tcc_basename(pe->filename);
926
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);
932
933 hdr = section_ptr_add(pe->thunk, str_o - pe->exp_offs);
934 hdr->Characteristics = 0;
935 hdr->Base = 1;
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);
943
944 #if 1
945 /* automatically write exports to <output-filename>.def */
946 strcpy(buf, pe->filename);
947 strcpy(tcc_fileextension(buf), ".def");
948 op = fopen(buf, "w");
949 if (NULL == op) {
950 error_noabort("could not create '%s': %s", buf, strerror(errno));
951 } else {
952 fprintf(op, "LIBRARY %s\n\nEXPORTS\n", dllname);
953 if (pe->s1->verbose)
954 printf("<- %s (%d symbols)\n", buf, sym_count);
955 }
956 #endif
957
958 for (ord = 0; ord < sym_count; ++ord)
959 {
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)
967 = ord;
968 put_elf_str(pe->thunk, name);
969 func_o += sizeof (DWORD);
970 name_o += sizeof (DWORD);
971 ord_o += sizeof (WORD);
972 if (op)
973 fprintf(op, "%s\n", name);
974 }
975 pe->exp_size = pe->thunk->data_offset - pe->exp_offs;
976 dynarray_reset(&sorted, &sym_count);
977 if (op)
978 fclose(op);
979 }
980
981 /* ------------------------------------------------------------- */
982 static void pe_build_reloc (struct pe_info *pe)
983 {
984 DWORD offset, block_ptr, addr;
985 int count, i;
986 ElfW_Rel *rel, *rel_end;
987 Section *s = NULL, *sr;
988
989 offset = addr = block_ptr = count = i = 0;
990 rel = rel_end = NULL;
991
992 for(;;) {
993 if (rel < rel_end) {
994 int type = ELFW_R_(TYPE)(rel->r_info);
995 addr = rel->r_offset + s->sh_addr;
996 ++ rel;
997 if (type != REL_TYPE_DIRECT)
998 continue;
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;
1003 }
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;
1007 ++count;
1008 continue;
1009 }
1010 -- rel;
1011
1012 } else if (i < pe->sec_count) {
1013 sr = (s = pe->s1->sections[pe->sec_info[i++].ord])->reloc;
1014 if (sr) {
1015 rel = (ElfW_Rel *)sr->data;
1016 rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
1017 }
1018 continue;
1019 }
1020
1021 if (count) {
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);
1029 count = 0;
1030 }
1031
1032 if (rel >= rel_end)
1033 break;
1034 }
1035 }
1036
1037 /* ------------------------------------------------------------- */
1038 static int pe_section_class(Section *s)
1039 {
1040 int type, flags;
1041 const char *name;
1042
1043 type = s->sh_type;
1044 flags = s->sh_flags;
1045 name = s->name;
1046 if (flags & SHF_ALLOC) {
1047 if (type == SHT_PROGBITS) {
1048 if (flags & SHF_EXECINSTR)
1049 return sec_text;
1050 if (flags & SHF_WRITE)
1051 return sec_data;
1052 if (0 == strcmp(name, ".rsrc"))
1053 return sec_rsrc;
1054 if (0 == strcmp(name, ".iedat"))
1055 return sec_idata;
1056 if (0 == strcmp(name, ".pdata"))
1057 return sec_pdata;
1058 return sec_other;
1059 } else if (type == SHT_NOBITS) {
1060 if (flags & SHF_WRITE)
1061 return sec_bss;
1062 }
1063 } else {
1064 if (0 == strcmp(name, ".reloc"))
1065 return sec_reloc;
1066 if (0 == strncmp(name, ".stab", 5)) /* .stab and .stabstr */
1067 return sec_stab;
1068 }
1069 return -1;
1070 }
1071
1072 static int pe_assign_addresses (struct pe_info *pe)
1073 {
1074 int i, k, o, c;
1075 DWORD addr;
1076 int *section_order;
1077 struct section_info *si;
1078 Section *s;
1079
1080 // pe->thunk = new_section(pe->s1, ".iedat", SHT_PROGBITS, SHF_ALLOC);
1081
1082 section_order = tcc_malloc(pe->s1->nb_sections * sizeof (int));
1083 for (o = k = 0 ; k < sec_last; ++k) {
1084 for (i = 1; i < pe->s1->nb_sections; ++i) {
1085 s = pe->s1->sections[i];
1086 if (k == pe_section_class(s)) {
1087 // printf("%s %d\n", s->name, k);
1088 s->sh_addr = pe->imagebase;
1089 section_order[o++] = i;
1090 }
1091 }
1092 }
1093
1094 pe->sec_info = tcc_mallocz(o * sizeof (struct section_info));
1095 addr = pe->imagebase + 1;
1096
1097 for (i = 0; i < o; ++i)
1098 {
1099 k = section_order[i];
1100 s = pe->s1->sections[k];
1101 c = pe_section_class(s);
1102 si = &pe->sec_info[pe->sec_count];
1103
1104 #ifdef PE_MERGE_DATA
1105 if (c == sec_bss && pe->sec_count && si[-1].cls == sec_data) {
1106 /* append .bss to .data */
1107 s->sh_addr = addr = ((addr-1) | (s->sh_addralign-1)) + 1;
1108 addr += s->data_offset;
1109 si[-1].sh_size = addr - si[-1].sh_addr;
1110 continue;
1111 }
1112 #endif
1113 strcpy(si->name, s->name);
1114 si->cls = c;
1115 si->ord = k;
1116 si->sh_addr = s->sh_addr = addr = pe_virtual_align(pe, addr);
1117 si->sh_flags = s->sh_flags;
1118
1119 if (c == sec_data && NULL == pe->thunk)
1120 pe->thunk = s;
1121
1122 if (s == pe->thunk) {
1123 pe_build_imports(pe);
1124 pe_build_exports(pe);
1125 }
1126
1127 if (c == sec_reloc)
1128 pe_build_reloc (pe);
1129
1130 if (s->data_offset)
1131 {
1132 if (s->sh_type != SHT_NOBITS) {
1133 si->data = s->data;
1134 si->data_size = s->data_offset;
1135 }
1136
1137 addr += s->data_offset;
1138 si->sh_size = s->data_offset;
1139 ++pe->sec_count;
1140 }
1141 // printf("%08x %05x %s\n", si->sh_addr, si->sh_size, si->name);
1142 }
1143
1144 #if 0
1145 for (i = 1; i < pe->s1->nb_sections; ++i) {
1146 Section *s = pe->s1->sections[i];
1147 int type = s->sh_type;
1148 int flags = s->sh_flags;
1149 printf("section %-16s %-10s %5x %s,%s,%s\n",
1150 s->name,
1151 type == SHT_PROGBITS ? "progbits" :
1152 type == SHT_NOBITS ? "nobits" :
1153 type == SHT_SYMTAB ? "symtab" :
1154 type == SHT_STRTAB ? "strtab" :
1155 type == SHT_RELX ? "rel" : "???",
1156 s->data_offset,
1157 flags & SHF_ALLOC ? "alloc" : "",
1158 flags & SHF_WRITE ? "write" : "",
1159 flags & SHF_EXECINSTR ? "exec" : ""
1160 );
1161 }
1162 pe->s1->verbose = 2;
1163 #endif
1164
1165 tcc_free(section_order);
1166 return 0;
1167 }
1168
1169 /* ------------------------------------------------------------- */
1170 static void pe_relocate_rva (struct pe_info *pe, Section *s)
1171 {
1172 Section *sr = s->reloc;
1173 ElfW_Rel *rel, *rel_end;
1174 rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
1175 for(rel = (ElfW_Rel *)sr->data; rel < rel_end; rel++) {
1176 if (ELFW_R_(TYPE)(rel->r_info) == R_XXX_RELATIVE) {
1177 int sym_index = ELFW_R_(SYM)(rel->r_info);
1178 DWORD addr = s->sh_addr;
1179 if (sym_index) {
1180 ElfW(Sym) *sym = (ElfW(Sym) *)symtab_section->data + sym_index;
1181 addr = sym->st_value;
1182 }
1183 // printf("reloc rva %08x %08x %s\n", (DWORD)rel->r_offset, addr, s->name);
1184 *(DWORD*)(s->data + rel->r_offset) += addr - pe->imagebase;
1185 }
1186 }
1187 }
1188
1189 /*----------------------------------------------------------------------------*/
1190
1191 static int pe_isafunc(int sym_index)
1192 {
1193 Section *sr = text_section->reloc;
1194 ElfW_Rel *rel, *rel_end;
1195 Elf32_Word info = ELF32_R_INFO(sym_index, R_386_PC32);
1196 if (!sr)
1197 return 0;
1198 rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
1199 for (rel = (ElfW_Rel *)sr->data; rel < rel_end; rel++)
1200 if (rel->r_info == info)
1201 return 1;
1202 return 0;
1203 }
1204
1205 /*----------------------------------------------------------------------------*/
1206 static int pe_check_symbols(struct pe_info *pe)
1207 {
1208 ElfW(Sym) *sym;
1209 int sym_index, sym_end;
1210 int ret = 0;
1211
1212 pe_align_section(text_section, 8);
1213
1214 sym_end = symtab_section->data_offset / sizeof(ElfW(Sym));
1215 for (sym_index = 1; sym_index < sym_end; ++sym_index) {
1216
1217 sym = (ElfW(Sym) *)symtab_section->data + sym_index;
1218 if (sym->st_shndx == SHN_UNDEF) {
1219
1220 const char *name = symtab_section->link->data + sym->st_name;
1221 unsigned type = ELFW_ST_TYPE(sym->st_info);
1222 int imp_sym = pe_find_import(pe->s1, name);
1223 struct import_symbol *is;
1224
1225 if (0 == imp_sym)
1226 goto not_found;
1227
1228 if (type == STT_NOTYPE) {
1229 /* symbols from assembler have no type, find out which */
1230 if (pe_isafunc(sym_index))
1231 type = STT_FUNC;
1232 else
1233 type = STT_OBJECT;
1234 }
1235
1236 is = pe_add_import(pe, imp_sym);
1237
1238 if (type == STT_FUNC) {
1239 unsigned long offset = is->thk_offset;
1240 if (offset) {
1241 /* got aliased symbol, like stricmp and _stricmp */
1242
1243 } else {
1244 char buffer[100];
1245 WORD *p;
1246
1247 offset = text_section->data_offset;
1248 /* add the 'jmp IAT[x]' instruction */
1249 #ifdef TCC_TARGET_ARM
1250 p = section_ptr_add(text_section, 8+4); // room for code and address
1251 (*(DWORD*)(p)) = 0xE59FC000; // arm code ldr ip, [pc] ; PC+8+0 = 0001xxxx
1252 (*(DWORD*)(p+2)) = 0xE59CF000; // arm code ldr pc, [ip]
1253 #else
1254 p = section_ptr_add(text_section, 8);
1255 *p = 0x25FF;
1256 #ifdef TCC_TARGET_X86_64
1257 *(DWORD*)(p+1) = (DWORD)-4;
1258 #endif
1259 #endif
1260 /* add a helper symbol, will be patched later in
1261 pe_build_imports */
1262 sprintf(buffer, "IAT.%s", name);
1263 is->iat_index = put_elf_sym(
1264 symtab_section, 0, sizeof(DWORD),
1265 ELFW_ST_INFO(STB_GLOBAL, STT_OBJECT),
1266 0, SHN_UNDEF, buffer);
1267 #ifdef TCC_TARGET_ARM
1268 put_elf_reloc(symtab_section, text_section,
1269 offset + 8, R_XXX_THUNKFIX, is->iat_index); // offset to IAT position
1270 #else
1271 put_elf_reloc(symtab_section, text_section,
1272 offset + 2, R_XXX_THUNKFIX, is->iat_index);
1273 #endif
1274 is->thk_offset = offset;
1275 }
1276
1277 /* tcc_realloc might have altered sym's address */
1278 sym = (ElfW(Sym) *)symtab_section->data + sym_index;
1279
1280 /* patch the original symbol */
1281 sym->st_value = offset;
1282 sym->st_shndx = text_section->sh_num;
1283 sym->st_other &= ~1; /* do not export */
1284 continue;
1285 }
1286
1287 if (type == STT_OBJECT) { /* data, ptr to that should be */
1288 if (0 == is->iat_index) {
1289 /* original symbol will be patched later in pe_build_imports */
1290 is->iat_index = sym_index;
1291 continue;
1292 }
1293 }
1294
1295 not_found:
1296 error_noabort("undefined symbol '%s'", name);
1297 ret = -1;
1298
1299 } else if (pe->s1->rdynamic
1300 && ELFW_ST_BIND(sym->st_info) != STB_LOCAL) {
1301 /* if -rdynamic option, then export all non local symbols */
1302 sym->st_other |= 1;
1303 }
1304 }
1305 return ret;
1306 }
1307
1308 /*----------------------------------------------------------------------------*/
1309 #ifdef PE_PRINT_SECTIONS
1310 static void pe_print_section(FILE * f, Section * s)
1311 {
1312 /* just if you'r curious */
1313 BYTE *p, *e, b;
1314 int i, n, l, m;
1315 p = s->data;
1316 e = s->data + s->data_offset;
1317 l = e - p;
1318
1319 fprintf(f, "section \"%s\"", s->name);
1320 if (s->link)
1321 fprintf(f, "\nlink \"%s\"", s->link->name);
1322 if (s->reloc)
1323 fprintf(f, "\nreloc \"%s\"", s->reloc->name);
1324 fprintf(f, "\nv_addr %08X", (unsigned)s->sh_addr);
1325 fprintf(f, "\ncontents %08X", (unsigned)l);
1326 fprintf(f, "\n\n");
1327
1328 if (s->sh_type == SHT_NOBITS)
1329 return;
1330
1331 if (0 == l)
1332 return;
1333
1334 if (s->sh_type == SHT_SYMTAB)
1335 m = sizeof(ElfW(Sym));
1336 else if (s->sh_type == SHT_RELX)
1337 m = sizeof(ElfW_Rel);
1338 else
1339 m = 16;
1340
1341 fprintf(f, "%-8s", "offset");
1342 for (i = 0; i < m; ++i)
1343 fprintf(f, " %02x", i);
1344 n = 56;
1345
1346 if (s->sh_type == SHT_SYMTAB || s->sh_type == SHT_RELX) {
1347 const char *fields1[] = {
1348 "name",
1349 "value",
1350 "size",
1351 "bind",
1352 "type",
1353 "other",
1354 "shndx",
1355 NULL
1356 };
1357
1358 const char *fields2[] = {
1359 "offs",
1360 "type",
1361 "symb",
1362 NULL
1363 };
1364
1365 const char **p;
1366
1367 if (s->sh_type == SHT_SYMTAB)
1368 p = fields1, n = 106;
1369 else
1370 p = fields2, n = 58;
1371
1372 for (i = 0; p[i]; ++i)
1373 fprintf(f, "%6s", p[i]);
1374 fprintf(f, " symbol");
1375 }
1376
1377 fprintf(f, "\n");
1378 for (i = 0; i < n; ++i)
1379 fprintf(f, "-");
1380 fprintf(f, "\n");
1381
1382 for (i = 0; i < l;)
1383 {
1384 fprintf(f, "%08X", i);
1385 for (n = 0; n < m; ++n) {
1386 if (n + i < l)
1387 fprintf(f, " %02X", p[i + n]);
1388 else
1389 fprintf(f, " ");
1390 }
1391
1392 if (s->sh_type == SHT_SYMTAB) {
1393 ElfW(Sym) *sym = (ElfW(Sym) *) (p + i);
1394 const char *name = s->link->data + sym->st_name;
1395 fprintf(f, " %04X %04X %04X %02X %02X %02X %04X \"%s\"",
1396 (unsigned)sym->st_name,
1397 (unsigned)sym->st_value,
1398 (unsigned)sym->st_size,
1399 (unsigned)ELFW_ST_BIND(sym->st_info),
1400 (unsigned)ELFW_ST_TYPE(sym->st_info),
1401 (unsigned)sym->st_other,
1402 (unsigned)sym->st_shndx,
1403 name);
1404
1405 } else if (s->sh_type == SHT_RELX) {
1406 ElfW_Rel *rel = (ElfW_Rel *) (p + i);
1407 ElfW(Sym) *sym =
1408 (ElfW(Sym) *) s->link->data + ELFW_R_(SYM)(rel->r_info);
1409 const char *name = s->link->link->data + sym->st_name;
1410 fprintf(f, " %04X %02X %04X \"%s\"",
1411 (unsigned)rel->r_offset,
1412 (unsigned)ELFW_R_(TYPE)(rel->r_info),
1413 (unsigned)ELFW_R_(SYM)(rel->r_info),
1414 name);
1415 } else {
1416 fprintf(f, " ");
1417 for (n = 0; n < m; ++n) {
1418 if (n + i < l) {
1419 b = p[i + n];
1420 if (b < 32 || b >= 127)
1421 b = '.';
1422 fprintf(f, "%c", b);
1423 }
1424 }
1425 }
1426 i += m;
1427 fprintf(f, "\n");
1428 }
1429 fprintf(f, "\n\n");
1430 }
1431
1432 static void pe_print_sections(TCCState *s1, const char *fname)
1433 {
1434 Section *s;
1435 FILE *f;
1436 int i;
1437 f = fopen(fname, "w");
1438 for (i = 1; i < s1->nb_sections; ++i) {
1439 s = s1->sections[i];
1440 pe_print_section(f, s);
1441 }
1442 pe_print_section(f, s1->dynsymtab_section);
1443 fclose(f);
1444 }
1445 #endif
1446
1447 /* ------------------------------------------------------------- */
1448 /* helper function for load/store to insert one more indirection */
1449
1450 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2)
1451 {
1452 Sym *sym;
1453 ElfW(Sym) *esym;
1454 int r2;
1455
1456 if ((sv->r & (VT_VALMASK|VT_SYM)) != (VT_CONST|VT_SYM) || (sv->r2 != VT_CONST))
1457 return sv;
1458 sym = sv->sym;
1459 if ((sym->type.t & (VT_EXTERN|VT_STATIC)) != VT_EXTERN)
1460 return sv;
1461 if (!sym->c)
1462 put_extern_sym(sym, NULL, 0, 0);
1463 esym = &((ElfW(Sym) *)symtab_section->data)[sym->c];
1464 if (!(esym->st_other & 4))
1465 return sv;
1466
1467 // printf("import %04x %04x %04x %s\n", sv->type.t, sym->type.t, sv->r, get_tok_str(sv->sym->v, NULL));
1468
1469 memset(v2, 0, sizeof *v2);
1470 v2->type.t = VT_PTR;
1471 v2->r = VT_CONST | VT_SYM | VT_LVAL;
1472 v2->sym = sv->sym;
1473
1474 r2 = get_reg(RC_INT);
1475 load(r2, v2);
1476 v2->r = r2;
1477
1478 if (sv->c.ui) {
1479 vpushv(v2);
1480 vpushi(sv->c.ui);
1481 gen_opi('+');
1482 *v2 = *vtop--;
1483 }
1484
1485 v2->type.t = sv->type.t;
1486 v2->r |= sv->r & VT_LVAL;
1487 return v2;
1488 }
1489
1490 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, const void *value)
1491 {
1492 return add_elf_sym(
1493 s1->dynsymtab_section,
1494 (uplong)value,
1495 dllindex, /* st_size */
1496 ELFW_ST_INFO(STB_GLOBAL, STT_NOTYPE),
1497 0,
1498 value ? SHN_ABS : SHN_UNDEF,
1499 name
1500 );
1501 }
1502
1503 static int add_dllref(TCCState *s1, const char *dllname)
1504 {
1505 DLLReference *dllref;
1506 int i;
1507 for (i = 0; i < s1->nb_loaded_dlls; ++i)
1508 if (0 == strcmp(s1->loaded_dlls[i]->name, dllname))
1509 return i + 1;
1510 dllref = tcc_mallocz(sizeof(DLLReference) + strlen(dllname));
1511 strcpy(dllref->name, dllname);
1512 dynarray_add((void ***) &s1->loaded_dlls, &s1->nb_loaded_dlls, dllref);
1513 return s1->nb_loaded_dlls;
1514 }
1515
1516 /* ------------------------------------------------------------- */
1517
1518 static int read_mem(FILE *fp, unsigned offset, void *buffer, unsigned len)
1519 {
1520 fseek(fp, offset, 0);
1521 return len == fread(buffer, 1, len, fp);
1522 }
1523
1524 /* -------------------------------------------------------------
1525 * This is for compiled windows resources in 'coff' format
1526 * as generated by 'windres.exe -O coff ...'.
1527 */
1528
1529 static int pe_load_res(TCCState *s1, FILE *fp)
1530 {
1531 struct pe_rsrc_header hdr;
1532 Section *rsrc_section;
1533 int i, ret = -1;
1534 BYTE *ptr;
1535 unsigned offs;
1536
1537 if (!read_mem(fp, 0, &hdr, sizeof hdr))
1538 goto quit;
1539
1540 if (hdr.filehdr.Machine != 0x014C
1541 || hdr.filehdr.NumberOfSections != 1
1542 || strcmp(hdr.sectionhdr.Name, ".rsrc") != 0)
1543 goto quit;
1544
1545 rsrc_section = new_section(s1, ".rsrc", SHT_PROGBITS, SHF_ALLOC);
1546 ptr = section_ptr_add(rsrc_section, hdr.sectionhdr.SizeOfRawData);
1547 offs = hdr.sectionhdr.PointerToRawData;
1548 if (!read_mem(fp, offs, ptr, hdr.sectionhdr.SizeOfRawData))
1549 goto quit;
1550 offs = hdr.sectionhdr.PointerToRelocations;
1551 for (i = 0; i < hdr.sectionhdr.NumberOfRelocations; ++i)
1552 {
1553 struct pe_rsrc_reloc rel;
1554 if (!read_mem(fp, offs, &rel, sizeof rel))
1555 goto quit;
1556 // printf("rsrc_reloc: %x %x %x\n", rel.offset, rel.size, rel.type);
1557 if (rel.type != 7) /* DIR32NB */
1558 goto quit;
1559 put_elf_reloc(symtab_section, rsrc_section,
1560 rel.offset, R_XXX_RELATIVE, 0);
1561 offs += sizeof rel;
1562 }
1563 ret = 0;
1564 quit:
1565 return ret;
1566 }
1567
1568 /* ------------------------------------------------------------- */
1569 static char *trimfront(char *p)
1570 {
1571 while (*p && (unsigned char)*p <= ' ')
1572 ++p;
1573 return p;
1574 }
1575
1576 static char *trimback(char *a, char *e)
1577 {
1578 while (e > a && (unsigned char)e[-1] <= ' ')
1579 --e;
1580 *e = 0;;
1581 return a;
1582 }
1583
1584 static char *get_line(char *line, int size, FILE *fp)
1585 {
1586 if (NULL == fgets(line, size, fp))
1587 return NULL;
1588 trimback(line, strchr(line, 0));
1589 return trimfront(line);
1590 }
1591
1592 /* ------------------------------------------------------------- */
1593 static int pe_load_def(TCCState *s1, FILE *fp)
1594 {
1595 int state = 0, ret = -1, dllindex = 0;
1596 char line[400], dllname[80], *p;
1597
1598 for (;;) {
1599 p = get_line(line, sizeof line, fp);
1600 if (NULL == p)
1601 break;
1602 if (0 == *p || ';' == *p)
1603 continue;
1604 switch (state) {
1605 case 0:
1606 if (0 != strnicmp(p, "LIBRARY", 7))
1607 goto quit;
1608 strcpy(dllname, trimfront(p+7));
1609 ++state;
1610 continue;
1611
1612 case 1:
1613 if (0 != stricmp(p, "EXPORTS"))
1614 goto quit;
1615 ++state;
1616 continue;
1617
1618 case 2:
1619 dllindex = add_dllref(s1, dllname);
1620 ++state;
1621
1622 default:
1623 pe_putimport(s1, dllindex, p, NULL);
1624 continue;
1625 }
1626 }
1627 ret = 0;
1628 quit:
1629 return ret;
1630 }
1631
1632 /* ------------------------------------------------------------- */
1633 #define TINY_IMPDEF_GET_EXPORT_NAMES_ONLY
1634 #include "win32/tools/tiny_impdef.c"
1635
1636 static int pe_load_dll(TCCState *s1, const char *dllname, FILE *fp)
1637 {
1638 char *p, *q;
1639 int index;
1640 p = get_export_names(fp);
1641 if (!p)
1642 return -1;
1643 index = add_dllref(s1, dllname);
1644 for (q = p; *q; q += 1 + strlen(q))
1645 pe_putimport(s1, index, q, NULL);
1646 tcc_free(p);
1647 return 0;
1648 }
1649
1650 /* ------------------------------------------------------------- */
1651 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd)
1652 {
1653 FILE *fp = fdopen(dup(fd), "rb");
1654 int ret = -1;
1655 char buf[10];
1656 if (fp) {
1657 if (0 == strcmp(tcc_fileextension(filename), ".def"))
1658 ret = pe_load_def(s1, fp);
1659 else if (pe_load_res(s1, fp) == 0)
1660 ret = 0;
1661 else if (read_mem(fp, 0, buf, sizeof buf) && 0 == strncmp(buf, "MZ", 2))
1662 ret = pe_load_dll(s1, tcc_basename(filename), fp);
1663 fclose(fp);
1664 }
1665 return ret;
1666 }
1667
1668 ST_FUNC int pe_add_dll(struct TCCState *s, const char *libname)
1669 {
1670 static const char *pat[] = {
1671 "%s.def", "lib%s.def", "%s.dll", "lib%s.dll", NULL
1672 };
1673 const char **p = pat;
1674 do {
1675 char buf[MAX_PATH];
1676 snprintf(buf, sizeof(buf), *p, libname);
1677 if (tcc_add_dll(s, buf, 0) == 0)
1678 return 0;
1679 } while (*++p);
1680 return -1;
1681 }
1682
1683 /* ------------------------------------------------------------- */
1684 #ifdef TCC_TARGET_X86_64
1685 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack)
1686 {
1687 static const char uw_info[] = {
1688 0x01, // UBYTE: 3 Version , UBYTE: 5 Flags
1689 0x04, // UBYTE Size of prolog
1690 0x02, // UBYTE Count of unwind codes
1691 0x05, // UBYTE: 4 Frame Register (rbp), UBYTE: 4 Frame Register offset (scaled)
1692 // USHORT * n Unwind codes array
1693 // 0x0b, 0x01, 0xff, 0xff, // stack size
1694 0x04, 0x03, // set frame ptr (mov rsp -> rbp)
1695 0x01, 0x50 // push reg (rbp)
1696 };
1697
1698 struct pe_uw *pe_uw = &tcc_state->pe_unwind;
1699
1700 Section *uw, *pd;
1701 WORD *p1;
1702 DWORD *p2;
1703 unsigned o2;
1704
1705 uw = data_section;
1706 pd = pe_uw->pdata;
1707 if (NULL == pd)
1708 {
1709 pe_uw->pdata = pd = find_section(tcc_state, ".pdata");
1710 pe_uw->pdata->sh_addralign = 4;
1711 section_ptr_add(uw, -uw->data_offset & 3);
1712 pe_uw->offs_1 = uw->data_offset;
1713 p1 = section_ptr_add(uw, sizeof uw_info);
1714 /* use one common entry for all functions */
1715 memcpy(p1, uw_info, sizeof uw_info);
1716 pe_uw->sym_1 = put_elf_sym(symtab_section, 0, 0, 0, 0, text_section->sh_num, NULL);
1717 pe_uw->sym_2 = put_elf_sym(symtab_section, 0, 0, 0, 0, uw->sh_num, NULL);
1718 }
1719
1720 o2 = pd->data_offset;
1721 p2 = section_ptr_add(pd, 3 * sizeof (DWORD));
1722 /* record this function */
1723 p2[0] = start;
1724 p2[1] = end;
1725 p2[2] = pe_uw->offs_1;
1726 /* put relocations on it */
1727 put_elf_reloc(symtab_section, pd, o2, R_X86_64_RELATIVE, pe_uw->sym_1);
1728 put_elf_reloc(symtab_section, pd, o2+4, R_X86_64_RELATIVE, pe_uw->sym_1);
1729 put_elf_reloc(symtab_section, pd, o2+8, R_X86_64_RELATIVE, pe_uw->sym_2);
1730 }
1731 #endif
1732
1733 /* ------------------------------------------------------------- */
1734 #ifdef TCC_TARGET_X86_64
1735 #define PE_STDSYM(n,s) n
1736 #else
1737 #define PE_STDSYM(n,s) "_" n s
1738 #endif
1739
1740 static void pe_add_runtime_ex(TCCState *s1, struct pe_info *pe)
1741 {
1742 const char *start_symbol;
1743 unsigned long addr = 0;
1744 int pe_type = 0;
1745
1746 if (find_elf_sym(symtab_section, PE_STDSYM("WinMain","@16")))
1747 pe_type = PE_GUI;
1748 else
1749 if (TCC_OUTPUT_DLL == s1->output_type) {
1750 pe_type = PE_DLL;
1751 /* need this for 'tccelf.c:relocate_section()' */
1752 s1->output_type = TCC_OUTPUT_EXE;
1753 }
1754 else
1755 pe_type = PE_EXE;
1756
1757 start_symbol =
1758 TCC_OUTPUT_MEMORY == s1->output_type
1759 ? PE_GUI == pe_type ? "_runwinmain" : NULL
1760 : PE_DLL == pe_type ? PE_STDSYM("_dllstart","@12")
1761 : PE_GUI == pe_type ? "_winstart" : "_start"
1762 ;
1763
1764 /* grab the startup code from libtcc1 */
1765 if (start_symbol)
1766 add_elf_sym(symtab_section,
1767 0, 0,
1768 ELFW_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0,
1769 SHN_UNDEF, start_symbol);
1770
1771 if (0 == s1->nostdlib) {
1772 static const char *libs[] = {
1773 "tcc1", "msvcrt", "kernel32", "", "user32", "gdi32", NULL
1774 };
1775 const char **pp, *p;
1776 for (pp = libs; 0 != (p = *pp); ++pp) {
1777 if (0 == *p) {
1778 if (PE_DLL != pe_type && PE_GUI != pe_type)
1779 break;
1780 } else if (tcc_add_library(s1, p) < 0)
1781 error_noabort("cannot find library: %s", p);
1782 }
1783 }
1784
1785 if (TCC_OUTPUT_MEMORY == s1->output_type)
1786 pe_type = PE_RUN;
1787
1788 if (start_symbol) {
1789 addr = (uplong)tcc_get_symbol_err(s1, start_symbol);
1790 if (PE_RUN == pe_type && addr)
1791 /* for -run GUI's, put '_runwinmain' instead of 'main' */
1792 add_elf_sym(symtab_section,
1793 addr, 0,
1794 ELFW_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0,
1795 text_section->sh_num, "main");
1796 }
1797
1798 pe->type = pe_type;
1799 pe->start_addr = addr;
1800 }
1801
1802 ST_FUNC int pe_output_file(TCCState * s1, const char *filename)
1803 {
1804 int ret;
1805 struct pe_info pe;
1806 int i;
1807
1808 memset(&pe, 0, sizeof pe);
1809 pe.filename = filename;
1810 pe.s1 = s1;
1811
1812 tcc_add_bcheck(s1);
1813 pe_add_runtime_ex(s1, &pe);
1814 relocate_common_syms(); /* assign bss adresses */
1815 tcc_add_linker_symbols(s1);
1816
1817 ret = pe_check_symbols(&pe);
1818 if (ret)
1819 ;
1820 else if (filename) {
1821 if (PE_DLL == pe.type) {
1822 pe.reloc = new_section(pe.s1, ".reloc", SHT_PROGBITS, 0);
1823 /* XXX: check if is correct for arm-pe target */
1824 pe.imagebase = 0x10000000;
1825 } else {
1826 #if defined(TCC_TARGET_ARM)
1827 pe.imagebase = 0x00010000;
1828 #else
1829 pe.imagebase = 0x00400000;
1830 #endif
1831 }
1832
1833 /* if no subsystem specified, we use "console" subsystem by default */
1834 if (s1->pe_subsystem != 0)
1835 pe.subsystem = s1->pe_subsystem;
1836 else
1837 #if defined(TCC_TARGET_ARM)
1838 pe.subsystem = 9;
1839 #else
1840 pe.subsystem = 3;
1841 #endif
1842 /* set default file/section alignment */
1843 if (pe.subsystem == 1) {
1844 pe.section_align = 0x20;
1845 pe.file_align = 0x20;
1846 } else {
1847 pe.section_align = 0x1000;
1848 pe.file_align = 0x200;
1849 }
1850
1851 if (s1->section_align != 0)
1852 pe.section_align = s1->section_align;
1853 if (s1->pe_file_align != 0)
1854 pe.file_align = s1->pe_file_align;
1855
1856 if ((pe.subsystem >= 10) && (pe.subsystem <= 12))
1857 pe.imagebase = 0;
1858
1859 if (s1->has_text_addr)
1860 pe.imagebase = s1->text_addr;
1861
1862 pe_assign_addresses(&pe);
1863 relocate_syms(s1, 0);
1864 for (i = 1; i < s1->nb_sections; ++i) {
1865 Section *s = s1->sections[i];
1866 if (s->reloc) {
1867 relocate_section(s1, s);
1868 pe_relocate_rva(&pe, s);
1869 }
1870 }
1871 if (s1->nb_errors)
1872 ret = -1;
1873 else
1874 ret = pe_write(&pe);
1875 tcc_free(pe.sec_info);
1876 } else {
1877 #ifndef TCC_IS_NATIVE
1878 error_noabort("-run supported only on native platform");
1879 #endif
1880 pe.thunk = data_section;
1881 pe_build_imports(&pe);
1882 }
1883
1884 #ifdef PE_PRINT_SECTIONS
1885 pe_print_sections(s1, "tcc.log");
1886 #endif
1887 return ret;
1888 }
1889
1890 /* ------------------------------------------------------------- */
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