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weak redefinition of a symbol should weaken the original
[tinycc.git] / tccpe.c
blobde2575a40379e9fdc65730cb8a7a1589562c623b
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 *pe_export_name(TCCState *s1, ElfW(Sym) *sym)
368 {
369 const char *name = symtab_section->link->data + sym->st_name;
370 if (s1->leading_underscore && name[0] == '_' && !(sym->st_other & 2))
371 return name + 1;
372 return name;
373 }
374
375 static int pe_find_import(TCCState * s1, ElfW(Sym) *sym)
376 {
377 char buffer[200];
378 const char *s, *p;
379 int sym_index, n = 0;
380
381 do {
382 s = pe_export_name(s1, sym);
383 if (n) {
384 /* second try: */
385 if (sym->st_other & 2) {
386 /* try w/0 stdcall deco (windows API convention) */
387 p = strrchr(s, '@');
388 if (!p || s[0] != '_')
389 break;
390 strcpy(buffer, s+1)[p-s-1] = 0;
391 } else if (s[0] != '_') { /* try non-ansi function */
392 buffer[0] = '_', strcpy(buffer + 1, s);
393 } else if (0 == memcmp(s, "__imp__", 7)) { /* mingw 2.0 */
394 strcpy(buffer, s + 6);
395 } else if (0 == memcmp(s, "_imp___", 7)) { /* mingw 3.7 */
396 strcpy(buffer, s + 6);
397 } else {
398 break;
399 }
400 s = buffer;
401 }
402 sym_index = find_elf_sym(s1->dynsymtab_section, s);
403 // printf("find (%d) %d %s\n", n, sym_index, s);
404 } while (0 == sym_index && ++n < 2);
405 return sym_index;
406 }
407
408 /*----------------------------------------------------------------------------*/
409
410 static int dynarray_assoc(void **pp, int n, int key)
411 {
412 int i;
413 for (i = 0; i < n; ++i, ++pp)
414 if (key == **(int **) pp)
415 return i;
416 return -1;
417 }
418
419 #if 0
420 ST_FN DWORD umin(DWORD a, DWORD b)
421 {
422 return a < b ? a : b;
423 }
424 #endif
425
426 static DWORD umax(DWORD a, DWORD b)
427 {
428 return a < b ? b : a;
429 }
430
431 static DWORD pe_file_align(struct pe_info *pe, DWORD n)
432 {
433 return (n + (pe->file_align - 1)) & ~(pe->file_align - 1);
434 }
435
436 static DWORD pe_virtual_align(struct pe_info *pe, DWORD n)
437 {
438 return (n + (pe->section_align - 1)) & ~(pe->section_align - 1);
439 }
440
441 static void pe_align_section(Section *s, int a)
442 {
443 int i = s->data_offset & (a-1);
444 if (i)
445 section_ptr_add(s, a - i);
446 }
447
448 static void pe_set_datadir(struct pe_header *hdr, int dir, DWORD addr, DWORD size)
449 {
450 hdr->opthdr.DataDirectory[dir].VirtualAddress = addr;
451 hdr->opthdr.DataDirectory[dir].Size = size;
452 }
453
454 static int pe_fwrite(void *data, unsigned len, FILE *fp, DWORD *psum)
455 {
456 if (psum) {
457 DWORD sum = *psum;
458 WORD *p = data;
459 int i;
460 for (i = len; i > 0; i -= 2) {
461 sum += (i >= 2) ? *p++ : *(BYTE*)p;
462 sum = (sum + (sum >> 16)) & 0xFFFF;
463 }
464 *psum = sum;
465 }
466 return len == fwrite(data, 1, len, fp) ? 0 : -1;
467 }
468
469 static void pe_fpad(FILE *fp, DWORD new_pos)
470 {
471 DWORD pos = ftell(fp);
472 while (++pos <= new_pos)
473 fputc(0, fp);
474 }
475
476 /*----------------------------------------------------------------------------*/
477 static int pe_write(struct pe_info *pe)
478 {
479 static const struct pe_header pe_template = {
480 {
481 /* IMAGE_DOS_HEADER doshdr */
482 0x5A4D, /*WORD e_magic; Magic number */
483 0x0090, /*WORD e_cblp; Bytes on last page of file */
484 0x0003, /*WORD e_cp; Pages in file */
485 0x0000, /*WORD e_crlc; Relocations */
486
487 0x0004, /*WORD e_cparhdr; Size of header in paragraphs */
488 0x0000, /*WORD e_minalloc; Minimum extra paragraphs needed */
489 0xFFFF, /*WORD e_maxalloc; Maximum extra paragraphs needed */
490 0x0000, /*WORD e_ss; Initial (relative) SS value */
491
492 0x00B8, /*WORD e_sp; Initial SP value */
493 0x0000, /*WORD e_csum; Checksum */
494 0x0000, /*WORD e_ip; Initial IP value */
495 0x0000, /*WORD e_cs; Initial (relative) CS value */
496 0x0040, /*WORD e_lfarlc; File address of relocation table */
497 0x0000, /*WORD e_ovno; Overlay number */
498 {0,0,0,0}, /*WORD e_res[4]; Reserved words */
499 0x0000, /*WORD e_oemid; OEM identifier (for e_oeminfo) */
500 0x0000, /*WORD e_oeminfo; OEM information; e_oemid specific */
501 {0,0,0,0,0,0,0,0,0,0}, /*WORD e_res2[10]; Reserved words */
502 0x00000080 /*DWORD e_lfanew; File address of new exe header */
503 },{
504 /* BYTE dosstub[0x40] */
505 /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */
506 0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,0x4c,0xcd,0x21,0x54,0x68,
507 0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,0x20,0x63,0x61,0x6e,0x6e,0x6f,
508 0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,0x69,0x6e,0x20,0x44,0x4f,0x53,0x20,
509 0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0d,0x0a,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
510 },
511 0x00004550, /* DWORD nt_sig = IMAGE_NT_SIGNATURE */
512 {
513 /* IMAGE_FILE_HEADER filehdr */
514 #if defined(TCC_TARGET_I386)
515 0x014C, /*WORD Machine; */
516 #elif defined(TCC_TARGET_X86_64)
517 0x8664, /*WORD Machine; */
518 #elif defined(TCC_TARGET_ARM)
519 0x01C0, /*WORD Machine; */
520 #endif
521 0x0003, /*WORD NumberOfSections; */
522 0x00000000, /*DWORD TimeDateStamp; */
523 0x00000000, /*DWORD PointerToSymbolTable; */
524 0x00000000, /*DWORD NumberOfSymbols; */
525 #if defined(TCC_TARGET_X86_64)
526 0x00F0, /*WORD SizeOfOptionalHeader; */
527 0x022F /*WORD Characteristics; */
528 #define CHARACTERISTICS_DLL 0x222E
529 #elif defined(TCC_TARGET_I386)
530 0x00E0, /*WORD SizeOfOptionalHeader; */
531 0x030F /*WORD Characteristics; */
532 #define CHARACTERISTICS_DLL 0x230E
533 #elif defined(TCC_TARGET_ARM)
534 0x00E0, /*WORD SizeOfOptionalHeader; */
535 0x010F, /*WORD Characteristics; */
536 #define CHARACTERISTICS_DLL 0x230F
537 #endif
538 },{
539 /* IMAGE_OPTIONAL_HEADER opthdr */
540 /* Standard fields. */
541 #ifdef TCC_TARGET_X86_64
542 0x020B, /*WORD Magic; */
543 #else
544 0x010B, /*WORD Magic; */
545 #endif
546 0x06, /*BYTE MajorLinkerVersion; */
547 0x00, /*BYTE MinorLinkerVersion; */
548 0x00000000, /*DWORD SizeOfCode; */
549 0x00000000, /*DWORD SizeOfInitializedData; */
550 0x00000000, /*DWORD SizeOfUninitializedData; */
551 0x00000000, /*DWORD AddressOfEntryPoint; */
552 0x00000000, /*DWORD BaseOfCode; */
553 #ifndef TCC_TARGET_X86_64
554 0x00000000, /*DWORD BaseOfData; */
555 #endif
556 /* NT additional fields. */
557 #if defined(TCC_TARGET_ARM)
558 0x00100000, /*DWORD ImageBase; */
559 #else
560 0x00400000, /*DWORD ImageBase; */
561 #endif
562 0x00001000, /*DWORD SectionAlignment; */
563 0x00000200, /*DWORD FileAlignment; */
564 0x0004, /*WORD MajorOperatingSystemVersion; */
565 0x0000, /*WORD MinorOperatingSystemVersion; */
566 0x0000, /*WORD MajorImageVersion; */
567 0x0000, /*WORD MinorImageVersion; */
568 0x0004, /*WORD MajorSubsystemVersion; */
569 0x0000, /*WORD MinorSubsystemVersion; */
570 0x00000000, /*DWORD Win32VersionValue; */
571 0x00000000, /*DWORD SizeOfImage; */
572 0x00000200, /*DWORD SizeOfHeaders; */
573 0x00000000, /*DWORD CheckSum; */
574 0x0002, /*WORD Subsystem; */
575 0x0000, /*WORD DllCharacteristics; */
576 0x00100000, /*DWORD SizeOfStackReserve; */
577 0x00001000, /*DWORD SizeOfStackCommit; */
578 0x00100000, /*DWORD SizeOfHeapReserve; */
579 0x00001000, /*DWORD SizeOfHeapCommit; */
580 0x00000000, /*DWORD LoaderFlags; */
581 0x00000010, /*DWORD NumberOfRvaAndSizes; */
582
583 /* IMAGE_DATA_DIRECTORY DataDirectory[16]; */
584 {{0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0},
585 {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}}
586 }};
587
588 struct pe_header pe_header = pe_template;
589
590 int i;
591 FILE *op;
592 DWORD file_offset, sum;
593 struct section_info *si;
594 IMAGE_SECTION_HEADER *psh;
595
596 op = fopen(pe->filename, "wb");
597 if (NULL == op) {
598 error_noabort("could not write '%s': %s", pe->filename, strerror(errno));
599 return -1;
600 }
601
602 pe->sizeofheaders = pe_file_align(pe,
603 sizeof (struct pe_header)
604 + pe->sec_count * sizeof (IMAGE_SECTION_HEADER)
605 );
606
607 file_offset = pe->sizeofheaders;
608
609 if (2 == pe->s1->verbose)
610 printf("-------------------------------"
611 "\n virt file size section" "\n");
612 for (i = 0; i < pe->sec_count; ++i) {
613 DWORD addr, size;
614 const char *sh_name;
615
616 si = pe->sec_info + i;
617 sh_name = si->name;
618 addr = si->sh_addr - pe->imagebase;
619 size = si->sh_size;
620 psh = &si->ish;
621
622 if (2 == pe->s1->verbose)
623 printf("%6x %6x %6x %s\n",
624 (unsigned)addr, (unsigned)file_offset, (unsigned)size, sh_name);
625
626 switch (si->cls) {
627 case sec_text:
628 pe_header.opthdr.BaseOfCode = addr;
629 pe_header.opthdr.AddressOfEntryPoint = addr + pe->start_addr;
630 break;
631
632 case sec_data:
633 #ifndef TCC_TARGET_X86_64
634 pe_header.opthdr.BaseOfData = addr;
635 #endif
636 break;
637
638 case sec_bss:
639 break;
640
641 case sec_reloc:
642 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_BASERELOC, addr, size);
643 break;
644
645 case sec_rsrc:
646 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_RESOURCE, addr, size);
647 break;
648
649 case sec_pdata:
650 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_EXCEPTION, addr, size);
651 break;
652
653 case sec_stab:
654 break;
655 }
656
657 if (pe->thunk == pe->s1->sections[si->ord]) {
658 if (pe->imp_size) {
659 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_IMPORT,
660 pe->imp_offs + addr, pe->imp_size);
661 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_IAT,
662 pe->iat_offs + addr, pe->iat_size);
663 }
664 if (pe->exp_size) {
665 pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_EXPORT,
666 pe->exp_offs + addr, pe->exp_size);
667 }
668 }
669
670 strcpy((char*)psh->Name, sh_name);
671
672 psh->Characteristics = pe_sec_flags[si->cls];
673 psh->VirtualAddress = addr;
674 psh->Misc.VirtualSize = size;
675 pe_header.opthdr.SizeOfImage =
676 umax(pe_virtual_align(pe, size + addr), pe_header.opthdr.SizeOfImage);
677
678 if (si->data_size) {
679 psh->PointerToRawData = file_offset;
680 file_offset = pe_file_align(pe, file_offset + si->data_size);
681 psh->SizeOfRawData = file_offset - psh->PointerToRawData;
682 }
683 }
684
685 //pe_header.filehdr.TimeDateStamp = time(NULL);
686 pe_header.filehdr.NumberOfSections = pe->sec_count;
687 pe_header.opthdr.SizeOfHeaders = pe->sizeofheaders;
688 pe_header.opthdr.ImageBase = pe->imagebase;
689 if (PE_DLL == pe->type)
690 pe_header.filehdr.Characteristics = CHARACTERISTICS_DLL;
691 else if (PE_GUI != pe->type)
692 pe_header.opthdr.Subsystem = 3;
693 if (pe->subsystem == 9) // WinCE
694 pe_header.opthdr.Subsystem = 9;
695
696 sum = 0;
697 pe_fwrite(&pe_header, sizeof pe_header, op, &sum);
698 for (i = 0; i < pe->sec_count; ++i)
699 pe_fwrite(&pe->sec_info[i].ish, sizeof(IMAGE_SECTION_HEADER), op, &sum);
700 pe_fpad(op, pe->sizeofheaders);
701 for (i = 0; i < pe->sec_count; ++i) {
702 si = pe->sec_info + i;
703 psh = &si->ish;
704 if (si->data_size) {
705 pe_fwrite(si->data, si->data_size, op, &sum);
706 file_offset = psh->PointerToRawData + psh->SizeOfRawData;
707 pe_fpad(op, file_offset);
708 }
709 }
710
711 pe_header.opthdr.CheckSum = sum + file_offset;
712 fseek(op, offsetof(struct pe_header, opthdr.CheckSum), SEEK_SET);
713 pe_fwrite(&pe_header.opthdr.CheckSum, sizeof pe_header.opthdr.CheckSum, op, NULL);
714 fclose (op);
715
716 if (2 == pe->s1->verbose)
717 printf("-------------------------------\n");
718 if (pe->s1->verbose)
719 printf("<- %s (%u bytes)\n", pe->filename, (unsigned)file_offset);
720
721 return 0;
722 }
723
724 /*----------------------------------------------------------------------------*/
725
726 #if defined(TCC_TARGET_X86_64)
727 #define ELFW_R_(type) ELF64_R_##type
728 #define ElfW_Rel ElfW(Rela)
729
730 #define REL_TYPE_DIRECT R_X86_64_64
731 #define R_XXX_THUNKFIX R_X86_64_PC32
732 #define R_XXX_RELATIVE R_X86_64_RELATIVE
733
734 #define ELFW_ST_BIND ELF64_ST_BIND
735 #define ELFW_ST_TYPE ELF64_ST_TYPE
736 #define ELFW_ST_INFO ELF64_ST_INFO
737 #elif defined(TCC_TARGET_I386)
738 #define ELFW_R_(type) ELF32_R_##type
739 #define ElfW_Rel ElfW(Rel)
740
741 #define REL_TYPE_DIRECT R_386_32
742 #define R_XXX_THUNKFIX R_386_32
743 #define R_XXX_RELATIVE R_386_RELATIVE
744
745 #define ELFW_ST_BIND ELF32_ST_BIND
746 #define ELFW_ST_TYPE ELF32_ST_TYPE
747 #define ELFW_ST_INFO ELF32_ST_INFO
748 #elif defined(TCC_TARGET_ARM)
749 #define ELFW_R_(type) ELF32_R_##type
750 #define ElfW_Rel ElfW(Rel)
751
752 #define REL_TYPE_DIRECT R_ARM_ABS32
753 #define R_XXX_THUNKFIX R_ARM_ABS32
754 #define R_XXX_RELATIVE R_ARM_RELATIVE
755
756 #define ELFW_ST_BIND ELF32_ST_BIND
757 #define ELFW_ST_TYPE ELF32_ST_TYPE
758 #define ELFW_ST_INFO ELF32_ST_INFO
759 #endif
760 /*----------------------------------------------------------------------------*/
761
762 static struct import_symbol *pe_add_import(struct pe_info *pe, int sym_index)
763 {
764 int i;
765 int dll_index;
766 struct pe_import_info *p;
767 struct import_symbol *s;
768 ElfW(Sym) *isym;
769
770 isym = (ElfW(Sym) *)pe->s1->dynsymtab_section->data + sym_index;
771 dll_index = isym->st_size;
772
773 i = dynarray_assoc ((void**)pe->imp_info, pe->imp_count, dll_index);
774 if (-1 != i) {
775 p = pe->imp_info[i];
776 goto found_dll;
777 }
778 p = tcc_mallocz(sizeof *p);
779 p->dll_index = dll_index;
780 dynarray_add((void***)&pe->imp_info, &pe->imp_count, p);
781
782 found_dll:
783 i = dynarray_assoc ((void**)p->symbols, p->sym_count, sym_index);
784 if (-1 != i)
785 return p->symbols[i];
786
787 s = tcc_mallocz(sizeof *s);
788 dynarray_add((void***)&p->symbols, &p->sym_count, s);
789 s->sym_index = sym_index;
790 return s;
791 }
792
793 /*----------------------------------------------------------------------------*/
794 static void pe_build_imports(struct pe_info *pe)
795 {
796 int thk_ptr, ent_ptr, dll_ptr, sym_cnt, i;
797 DWORD rva_base = pe->thunk->sh_addr - pe->imagebase;
798 int ndlls = pe->imp_count;
799
800 for (sym_cnt = i = 0; i < ndlls; ++i)
801 sym_cnt += pe->imp_info[i]->sym_count;
802
803 if (0 == sym_cnt)
804 return;
805
806 pe_align_section(pe->thunk, 16);
807
808 pe->imp_offs = dll_ptr = pe->thunk->data_offset;
809 pe->imp_size = (ndlls + 1) * sizeof(IMAGE_IMPORT_DESCRIPTOR);
810 pe->iat_offs = dll_ptr + pe->imp_size;
811 pe->iat_size = (sym_cnt + ndlls) * sizeof(ADDR3264);
812 section_ptr_add(pe->thunk, pe->imp_size + 2*pe->iat_size);
813
814 thk_ptr = pe->iat_offs;
815 ent_ptr = pe->iat_offs + pe->iat_size;
816
817 for (i = 0; i < pe->imp_count; ++i) {
818 IMAGE_IMPORT_DESCRIPTOR *hdr;
819 int k, n, dllindex;
820 ADDR3264 v;
821 struct pe_import_info *p = pe->imp_info[i];
822 const char *name;
823 DLLReference *dllref;
824
825 dllindex = p->dll_index;
826 if (dllindex)
827 name = (dllref = pe->s1->loaded_dlls[dllindex-1])->name;
828 else
829 name = "", dllref = NULL;
830
831 /* put the dll name into the import header */
832 v = put_elf_str(pe->thunk, name);
833 hdr = (IMAGE_IMPORT_DESCRIPTOR*)(pe->thunk->data + dll_ptr);
834 hdr->FirstThunk = thk_ptr + rva_base;
835 hdr->OriginalFirstThunk = ent_ptr + rva_base;
836 hdr->Name = v + rva_base;
837
838 for (k = 0, n = p->sym_count; k <= n; ++k) {
839 if (k < n) {
840 int iat_index = p->symbols[k]->iat_index;
841 int sym_index = p->symbols[k]->sym_index;
842 ElfW(Sym) *imp_sym = (ElfW(Sym) *)pe->s1->dynsymtab_section->data + sym_index;
843 ElfW(Sym) *org_sym = (ElfW(Sym) *)symtab_section->data + iat_index;
844 const char *name = pe->s1->dynsymtab_section->link->data + imp_sym->st_name;
845
846 org_sym->st_value = thk_ptr;
847 org_sym->st_shndx = pe->thunk->sh_num;
848 v = pe->thunk->data_offset + rva_base;
849 section_ptr_add(pe->thunk, sizeof(WORD)); /* hint, not used */
850 put_elf_str(pe->thunk, name);
851 #ifdef TCC_IS_NATIVE
852 if (pe->type == PE_RUN) {
853 v = imp_sym->st_value;
854 if (dllref) {
855 if ( !dllref->handle )
856 dllref->handle = LoadLibrary(dllref->name);
857 v = (ADDR3264)GetProcAddress(dllref->handle, name);
858 }
859 if (!v)
860 error_noabort("undefined symbol '%s'", name);
861 }
862 #endif
863 } else {
864 v = 0; /* last entry is zero */
865 }
866 *(ADDR3264*)(pe->thunk->data+thk_ptr) =
867 *(ADDR3264*)(pe->thunk->data+ent_ptr) = v;
868 thk_ptr += sizeof (ADDR3264);
869 ent_ptr += sizeof (ADDR3264);
870 }
871 dll_ptr += sizeof(IMAGE_IMPORT_DESCRIPTOR);
872 dynarray_reset(&p->symbols, &p->sym_count);
873 }
874 dynarray_reset(&pe->imp_info, &pe->imp_count);
875 }
876
877 /* ------------------------------------------------------------- */
878
879 struct pe_sort_sym
880 {
881 int index;
882 const char *name;
883 };
884
885 static int sym_cmp(const void *va, const void *vb)
886 {
887 const char *ca = (*(struct pe_sort_sym**)va)->name;
888 const char *cb = (*(struct pe_sort_sym**)vb)->name;
889 return strcmp(ca, cb);
890 }
891
892 static void pe_build_exports(struct pe_info *pe)
893 {
894 ElfW(Sym) *sym;
895 int sym_index, sym_end;
896 DWORD rva_base, func_o, name_o, ord_o, str_o;
897 IMAGE_EXPORT_DIRECTORY *hdr;
898 int sym_count, ord;
899 struct pe_sort_sym **sorted, *p;
900
901 FILE *op;
902 char buf[MAX_PATH];
903 const char *dllname;
904 const char *name;
905
906 rva_base = pe->thunk->sh_addr - pe->imagebase;
907 sym_count = 0, sorted = NULL, op = NULL;
908
909 sym_end = symtab_section->data_offset / sizeof(ElfW(Sym));
910 for (sym_index = 1; sym_index < sym_end; ++sym_index) {
911 sym = (ElfW(Sym)*)symtab_section->data + sym_index;
912 name = pe_export_name(pe->s1, sym);
913 if ((sym->st_other & 1)
914 /* export only symbols from actually written sections */
915 && pe->s1->sections[sym->st_shndx]->sh_addr) {
916 p = tcc_malloc(sizeof *p);
917 p->index = sym_index;
918 p->name = name;
919 dynarray_add((void***)&sorted, &sym_count, p);
920 }
921 #if 0
922 if (sym->st_other & 1)
923 printf("export: %s\n", name);
924 if (sym->st_other & 2)
925 printf("stdcall: %s\n", name);
926 #endif
927 }
928
929 if (0 == sym_count)
930 return;
931
932 qsort (sorted, sym_count, sizeof *sorted, sym_cmp);
933
934 pe_align_section(pe->thunk, 16);
935 dllname = tcc_basename(pe->filename);
936
937 pe->exp_offs = pe->thunk->data_offset;
938 func_o = pe->exp_offs + sizeof(IMAGE_EXPORT_DIRECTORY);
939 name_o = func_o + sym_count * sizeof (DWORD);
940 ord_o = name_o + sym_count * sizeof (DWORD);
941 str_o = ord_o + sym_count * sizeof(WORD);
942
943 hdr = section_ptr_add(pe->thunk, str_o - pe->exp_offs);
944 hdr->Characteristics = 0;
945 hdr->Base = 1;
946 hdr->NumberOfFunctions = sym_count;
947 hdr->NumberOfNames = sym_count;
948 hdr->AddressOfFunctions = func_o + rva_base;
949 hdr->AddressOfNames = name_o + rva_base;
950 hdr->AddressOfNameOrdinals = ord_o + rva_base;
951 hdr->Name = str_o + rva_base;
952 put_elf_str(pe->thunk, dllname);
953
954 #if 1
955 /* automatically write exports to <output-filename>.def */
956 strcpy(buf, pe->filename);
957 strcpy(tcc_fileextension(buf), ".def");
958 op = fopen(buf, "w");
959 if (NULL == op) {
960 error_noabort("could not create '%s': %s", buf, strerror(errno));
961 } else {
962 fprintf(op, "LIBRARY %s\n\nEXPORTS\n", dllname);
963 if (pe->s1->verbose)
964 printf("<- %s (%d symbols)\n", buf, sym_count);
965 }
966 #endif
967
968 for (ord = 0; ord < sym_count; ++ord)
969 {
970 p = sorted[ord], sym_index = p->index, name = p->name;
971 /* insert actual address later in pe_relocate_rva */
972 put_elf_reloc(symtab_section, pe->thunk,
973 func_o, R_XXX_RELATIVE, sym_index);
974 *(DWORD*)(pe->thunk->data + name_o)
975 = pe->thunk->data_offset + rva_base;
976 *(WORD*)(pe->thunk->data + ord_o)
977 = ord;
978 put_elf_str(pe->thunk, name);
979 func_o += sizeof (DWORD);
980 name_o += sizeof (DWORD);
981 ord_o += sizeof (WORD);
982 if (op)
983 fprintf(op, "%s\n", name);
984 }
985 pe->exp_size = pe->thunk->data_offset - pe->exp_offs;
986 dynarray_reset(&sorted, &sym_count);
987 if (op)
988 fclose(op);
989 }
990
991 /* ------------------------------------------------------------- */
992 static void pe_build_reloc (struct pe_info *pe)
993 {
994 DWORD offset, block_ptr, addr;
995 int count, i;
996 ElfW_Rel *rel, *rel_end;
997 Section *s = NULL, *sr;
998
999 offset = addr = block_ptr = count = i = 0;
1000 rel = rel_end = NULL;
1001
1002 for(;;) {
1003 if (rel < rel_end) {
1004 int type = ELFW_R_(TYPE)(rel->r_info);
1005 addr = rel->r_offset + s->sh_addr;
1006 ++ rel;
1007 if (type != REL_TYPE_DIRECT)
1008 continue;
1009 if (count == 0) { /* new block */
1010 block_ptr = pe->reloc->data_offset;
1011 section_ptr_add(pe->reloc, sizeof(struct pe_reloc_header));
1012 offset = addr & 0xFFFFFFFF<<12;
1013 }
1014 if ((addr -= offset) < (1<<12)) { /* one block spans 4k addresses */
1015 WORD *wp = section_ptr_add(pe->reloc, sizeof (WORD));
1016 *wp = addr | IMAGE_REL_BASED_HIGHLOW<<12;
1017 ++count;
1018 continue;
1019 }
1020 -- rel;
1021
1022 } else if (i < pe->sec_count) {
1023 sr = (s = pe->s1->sections[pe->sec_info[i++].ord])->reloc;
1024 if (sr) {
1025 rel = (ElfW_Rel *)sr->data;
1026 rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
1027 }
1028 continue;
1029 }
1030
1031 if (count) {
1032 /* store the last block and ready for a new one */
1033 struct pe_reloc_header *hdr;
1034 if (count & 1) /* align for DWORDS */
1035 section_ptr_add(pe->reloc, sizeof(WORD)), ++count;
1036 hdr = (struct pe_reloc_header *)(pe->reloc->data + block_ptr);
1037 hdr -> offset = offset - pe->imagebase;
1038 hdr -> size = count * sizeof(WORD) + sizeof(struct pe_reloc_header);
1039 count = 0;
1040 }
1041
1042 if (rel >= rel_end)
1043 break;
1044 }
1045 }
1046
1047 /* ------------------------------------------------------------- */
1048 static int pe_section_class(Section *s)
1049 {
1050 int type, flags;
1051 const char *name;
1052
1053 type = s->sh_type;
1054 flags = s->sh_flags;
1055 name = s->name;
1056 if (flags & SHF_ALLOC) {
1057 if (type == SHT_PROGBITS) {
1058 if (flags & SHF_EXECINSTR)
1059 return sec_text;
1060 if (flags & SHF_WRITE)
1061 return sec_data;
1062 if (0 == strcmp(name, ".rsrc"))
1063 return sec_rsrc;
1064 if (0 == strcmp(name, ".iedat"))
1065 return sec_idata;
1066 if (0 == strcmp(name, ".pdata"))
1067 return sec_pdata;
1068 return sec_other;
1069 } else if (type == SHT_NOBITS) {
1070 if (flags & SHF_WRITE)
1071 return sec_bss;
1072 }
1073 } else {
1074 if (0 == strcmp(name, ".reloc"))
1075 return sec_reloc;
1076 if (0 == strncmp(name, ".stab", 5)) /* .stab and .stabstr */
1077 return sec_stab;
1078 }
1079 return -1;
1080 }
1081
1082 static int pe_assign_addresses (struct pe_info *pe)
1083 {
1084 int i, k, o, c;
1085 DWORD addr;
1086 int *section_order;
1087 struct section_info *si;
1088 Section *s;
1089
1090 // pe->thunk = new_section(pe->s1, ".iedat", SHT_PROGBITS, SHF_ALLOC);
1091
1092 section_order = tcc_malloc(pe->s1->nb_sections * sizeof (int));
1093 for (o = k = 0 ; k < sec_last; ++k) {
1094 for (i = 1; i < pe->s1->nb_sections; ++i) {
1095 s = pe->s1->sections[i];
1096 if (k == pe_section_class(s)) {
1097 // printf("%s %d\n", s->name, k);
1098 s->sh_addr = pe->imagebase;
1099 section_order[o++] = i;
1100 }
1101 }
1102 }
1103
1104 pe->sec_info = tcc_mallocz(o * sizeof (struct section_info));
1105 addr = pe->imagebase + 1;
1106
1107 for (i = 0; i < o; ++i)
1108 {
1109 k = section_order[i];
1110 s = pe->s1->sections[k];
1111 c = pe_section_class(s);
1112 si = &pe->sec_info[pe->sec_count];
1113
1114 #ifdef PE_MERGE_DATA
1115 if (c == sec_bss && pe->sec_count && si[-1].cls == sec_data) {
1116 /* append .bss to .data */
1117 s->sh_addr = addr = ((addr-1) | (s->sh_addralign-1)) + 1;
1118 addr += s->data_offset;
1119 si[-1].sh_size = addr - si[-1].sh_addr;
1120 continue;
1121 }
1122 #endif
1123 strcpy(si->name, s->name);
1124 si->cls = c;
1125 si->ord = k;
1126 si->sh_addr = s->sh_addr = addr = pe_virtual_align(pe, addr);
1127 si->sh_flags = s->sh_flags;
1128
1129 if (c == sec_data && NULL == pe->thunk)
1130 pe->thunk = s;
1131
1132 if (s == pe->thunk) {
1133 pe_build_imports(pe);
1134 pe_build_exports(pe);
1135 }
1136
1137 if (c == sec_reloc)
1138 pe_build_reloc (pe);
1139
1140 if (s->data_offset)
1141 {
1142 if (s->sh_type != SHT_NOBITS) {
1143 si->data = s->data;
1144 si->data_size = s->data_offset;
1145 }
1146
1147 addr += s->data_offset;
1148 si->sh_size = s->data_offset;
1149 ++pe->sec_count;
1150 }
1151 // printf("%08x %05x %s\n", si->sh_addr, si->sh_size, si->name);
1152 }
1153
1154 #if 0
1155 for (i = 1; i < pe->s1->nb_sections; ++i) {
1156 Section *s = pe->s1->sections[i];
1157 int type = s->sh_type;
1158 int flags = s->sh_flags;
1159 printf("section %-16s %-10s %5x %s,%s,%s\n",
1160 s->name,
1161 type == SHT_PROGBITS ? "progbits" :
1162 type == SHT_NOBITS ? "nobits" :
1163 type == SHT_SYMTAB ? "symtab" :
1164 type == SHT_STRTAB ? "strtab" :
1165 type == SHT_RELX ? "rel" : "???",
1166 s->data_offset,
1167 flags & SHF_ALLOC ? "alloc" : "",
1168 flags & SHF_WRITE ? "write" : "",
1169 flags & SHF_EXECINSTR ? "exec" : ""
1170 );
1171 }
1172 pe->s1->verbose = 2;
1173 #endif
1174
1175 tcc_free(section_order);
1176 return 0;
1177 }
1178
1179 /* ------------------------------------------------------------- */
1180 static void pe_relocate_rva (struct pe_info *pe, Section *s)
1181 {
1182 Section *sr = s->reloc;
1183 ElfW_Rel *rel, *rel_end;
1184 rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
1185 for(rel = (ElfW_Rel *)sr->data; rel < rel_end; rel++) {
1186 if (ELFW_R_(TYPE)(rel->r_info) == R_XXX_RELATIVE) {
1187 int sym_index = ELFW_R_(SYM)(rel->r_info);
1188 DWORD addr = s->sh_addr;
1189 if (sym_index) {
1190 ElfW(Sym) *sym = (ElfW(Sym) *)symtab_section->data + sym_index;
1191 addr = sym->st_value;
1192 }
1193 // printf("reloc rva %08x %08x %s\n", (DWORD)rel->r_offset, addr, s->name);
1194 *(DWORD*)(s->data + rel->r_offset) += addr - pe->imagebase;
1195 }
1196 }
1197 }
1198
1199 /*----------------------------------------------------------------------------*/
1200
1201 static int pe_isafunc(int sym_index)
1202 {
1203 Section *sr = text_section->reloc;
1204 ElfW_Rel *rel, *rel_end;
1205 Elf32_Word info = ELF32_R_INFO(sym_index, R_386_PC32);
1206 if (!sr)
1207 return 0;
1208 rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
1209 for (rel = (ElfW_Rel *)sr->data; rel < rel_end; rel++)
1210 if (rel->r_info == info)
1211 return 1;
1212 return 0;
1213 }
1214
1215 /*----------------------------------------------------------------------------*/
1216 static int pe_check_symbols(struct pe_info *pe)
1217 {
1218 ElfW(Sym) *sym;
1219 int sym_index, sym_end;
1220 int ret = 0;
1221
1222 pe_align_section(text_section, 8);
1223
1224 sym_end = symtab_section->data_offset / sizeof(ElfW(Sym));
1225 for (sym_index = 1; sym_index < sym_end; ++sym_index) {
1226
1227 sym = (ElfW(Sym) *)symtab_section->data + sym_index;
1228 if (sym->st_shndx == SHN_UNDEF) {
1229
1230 const char *name = symtab_section->link->data + sym->st_name;
1231 unsigned type = ELFW_ST_TYPE(sym->st_info);
1232 int imp_sym = pe_find_import(pe->s1, sym);
1233 struct import_symbol *is;
1234
1235 if (0 == imp_sym)
1236 goto not_found;
1237
1238 if (type == STT_NOTYPE) {
1239 /* symbols from assembler have no type, find out which */
1240 if (pe_isafunc(sym_index))
1241 type = STT_FUNC;
1242 else
1243 type = STT_OBJECT;
1244 }
1245
1246 is = pe_add_import(pe, imp_sym);
1247
1248 if (type == STT_FUNC) {
1249 unsigned long offset = is->thk_offset;
1250 if (offset) {
1251 /* got aliased symbol, like stricmp and _stricmp */
1252
1253 } else {
1254 char buffer[100];
1255 WORD *p;
1256
1257 offset = text_section->data_offset;
1258 /* add the 'jmp IAT[x]' instruction */
1259 #ifdef TCC_TARGET_ARM
1260 p = section_ptr_add(text_section, 8+4); // room for code and address
1261 (*(DWORD*)(p)) = 0xE59FC000; // arm code ldr ip, [pc] ; PC+8+0 = 0001xxxx
1262 (*(DWORD*)(p+2)) = 0xE59CF000; // arm code ldr pc, [ip]
1263 #else
1264 p = section_ptr_add(text_section, 8);
1265 *p = 0x25FF;
1266 #ifdef TCC_TARGET_X86_64
1267 *(DWORD*)(p+1) = (DWORD)-4;
1268 #endif
1269 #endif
1270 /* add a helper symbol, will be patched later in
1271 pe_build_imports */
1272 sprintf(buffer, "IAT.%s", name);
1273 is->iat_index = put_elf_sym(
1274 symtab_section, 0, sizeof(DWORD),
1275 ELFW_ST_INFO(STB_GLOBAL, STT_OBJECT),
1276 0, SHN_UNDEF, buffer);
1277 #ifdef TCC_TARGET_ARM
1278 put_elf_reloc(symtab_section, text_section,
1279 offset + 8, R_XXX_THUNKFIX, is->iat_index); // offset to IAT position
1280 #else
1281 put_elf_reloc(symtab_section, text_section,
1282 offset + 2, R_XXX_THUNKFIX, is->iat_index);
1283 #endif
1284 is->thk_offset = offset;
1285 }
1286
1287 /* tcc_realloc might have altered sym's address */
1288 sym = (ElfW(Sym) *)symtab_section->data + sym_index;
1289
1290 /* patch the original symbol */
1291 sym->st_value = offset;
1292 sym->st_shndx = text_section->sh_num;
1293 sym->st_other &= ~1; /* do not export */
1294 continue;
1295 }
1296
1297 if (type == STT_OBJECT) { /* data, ptr to that should be */
1298 if (0 == is->iat_index) {
1299 /* original symbol will be patched later in pe_build_imports */
1300 is->iat_index = sym_index;
1301 continue;
1302 }
1303 }
1304
1305 not_found:
1306 error_noabort("undefined symbol '%s'", name);
1307 ret = -1;
1308
1309 } else if (pe->s1->rdynamic
1310 && ELFW_ST_BIND(sym->st_info) != STB_LOCAL) {
1311 /* if -rdynamic option, then export all non local symbols */
1312 sym->st_other |= 1;
1313 }
1314 }
1315 return ret;
1316 }
1317
1318 /*----------------------------------------------------------------------------*/
1319 #ifdef PE_PRINT_SECTIONS
1320 static void pe_print_section(FILE * f, Section * s)
1321 {
1322 /* just if you'r curious */
1323 BYTE *p, *e, b;
1324 int i, n, l, m;
1325 p = s->data;
1326 e = s->data + s->data_offset;
1327 l = e - p;
1328
1329 fprintf(f, "section \"%s\"", s->name);
1330 if (s->link)
1331 fprintf(f, "\nlink \"%s\"", s->link->name);
1332 if (s->reloc)
1333 fprintf(f, "\nreloc \"%s\"", s->reloc->name);
1334 fprintf(f, "\nv_addr %08X", (unsigned)s->sh_addr);
1335 fprintf(f, "\ncontents %08X", (unsigned)l);
1336 fprintf(f, "\n\n");
1337
1338 if (s->sh_type == SHT_NOBITS)
1339 return;
1340
1341 if (0 == l)
1342 return;
1343
1344 if (s->sh_type == SHT_SYMTAB)
1345 m = sizeof(ElfW(Sym));
1346 else if (s->sh_type == SHT_RELX)
1347 m = sizeof(ElfW_Rel);
1348 else
1349 m = 16;
1350
1351 fprintf(f, "%-8s", "offset");
1352 for (i = 0; i < m; ++i)
1353 fprintf(f, " %02x", i);
1354 n = 56;
1355
1356 if (s->sh_type == SHT_SYMTAB || s->sh_type == SHT_RELX) {
1357 const char *fields1[] = {
1358 "name",
1359 "value",
1360 "size",
1361 "bind",
1362 "type",
1363 "other",
1364 "shndx",
1365 NULL
1366 };
1367
1368 const char *fields2[] = {
1369 "offs",
1370 "type",
1371 "symb",
1372 NULL
1373 };
1374
1375 const char **p;
1376
1377 if (s->sh_type == SHT_SYMTAB)
1378 p = fields1, n = 106;
1379 else
1380 p = fields2, n = 58;
1381
1382 for (i = 0; p[i]; ++i)
1383 fprintf(f, "%6s", p[i]);
1384 fprintf(f, " symbol");
1385 }
1386
1387 fprintf(f, "\n");
1388 for (i = 0; i < n; ++i)
1389 fprintf(f, "-");
1390 fprintf(f, "\n");
1391
1392 for (i = 0; i < l;)
1393 {
1394 fprintf(f, "%08X", i);
1395 for (n = 0; n < m; ++n) {
1396 if (n + i < l)
1397 fprintf(f, " %02X", p[i + n]);
1398 else
1399 fprintf(f, " ");
1400 }
1401
1402 if (s->sh_type == SHT_SYMTAB) {
1403 ElfW(Sym) *sym = (ElfW(Sym) *) (p + i);
1404 const char *name = s->link->data + sym->st_name;
1405 fprintf(f, " %04X %04X %04X %02X %02X %02X %04X \"%s\"",
1406 (unsigned)sym->st_name,
1407 (unsigned)sym->st_value,
1408 (unsigned)sym->st_size,
1409 (unsigned)ELFW_ST_BIND(sym->st_info),
1410 (unsigned)ELFW_ST_TYPE(sym->st_info),
1411 (unsigned)sym->st_other,
1412 (unsigned)sym->st_shndx,
1413 name);
1414
1415 } else if (s->sh_type == SHT_RELX) {
1416 ElfW_Rel *rel = (ElfW_Rel *) (p + i);
1417 ElfW(Sym) *sym =
1418 (ElfW(Sym) *) s->link->data + ELFW_R_(SYM)(rel->r_info);
1419 const char *name = s->link->link->data + sym->st_name;
1420 fprintf(f, " %04X %02X %04X \"%s\"",
1421 (unsigned)rel->r_offset,
1422 (unsigned)ELFW_R_(TYPE)(rel->r_info),
1423 (unsigned)ELFW_R_(SYM)(rel->r_info),
1424 name);
1425 } else {
1426 fprintf(f, " ");
1427 for (n = 0; n < m; ++n) {
1428 if (n + i < l) {
1429 b = p[i + n];
1430 if (b < 32 || b >= 127)
1431 b = '.';
1432 fprintf(f, "%c", b);
1433 }
1434 }
1435 }
1436 i += m;
1437 fprintf(f, "\n");
1438 }
1439 fprintf(f, "\n\n");
1440 }
1441
1442 static void pe_print_sections(TCCState *s1, const char *fname)
1443 {
1444 Section *s;
1445 FILE *f;
1446 int i;
1447 f = fopen(fname, "w");
1448 for (i = 1; i < s1->nb_sections; ++i) {
1449 s = s1->sections[i];
1450 pe_print_section(f, s);
1451 }
1452 pe_print_section(f, s1->dynsymtab_section);
1453 fclose(f);
1454 }
1455 #endif
1456
1457 /* ------------------------------------------------------------- */
1458 /* helper function for load/store to insert one more indirection */
1459
1460 ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2)
1461 {
1462 Sym *sym;
1463 ElfW(Sym) *esym;
1464 int r2;
1465
1466 if ((sv->r & (VT_VALMASK|VT_SYM)) != (VT_CONST|VT_SYM) || (sv->r2 != VT_CONST))
1467 return sv;
1468 sym = sv->sym;
1469 if ((sym->type.t & (VT_EXTERN|VT_STATIC)) != VT_EXTERN)
1470 return sv;
1471 if (!sym->c)
1472 put_extern_sym(sym, NULL, 0, 0);
1473 esym = &((ElfW(Sym) *)symtab_section->data)[sym->c];
1474 if (!(esym->st_other & 4))
1475 return sv;
1476
1477 // printf("import %04x %04x %04x %s\n", sv->type.t, sym->type.t, sv->r, get_tok_str(sv->sym->v, NULL));
1478
1479 memset(v2, 0, sizeof *v2);
1480 v2->type.t = VT_PTR;
1481 v2->r = VT_CONST | VT_SYM | VT_LVAL;
1482 v2->sym = sv->sym;
1483
1484 r2 = get_reg(RC_INT);
1485 load(r2, v2);
1486 v2->r = r2;
1487
1488 if (sv->c.ui) {
1489 vpushv(v2);
1490 vpushi(sv->c.ui);
1491 gen_opi('+');
1492 *v2 = *vtop--;
1493 }
1494
1495 v2->type.t = sv->type.t;
1496 v2->r |= sv->r & VT_LVAL;
1497 return v2;
1498 }
1499
1500 ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, const void *value)
1501 {
1502 return add_elf_sym(
1503 s1->dynsymtab_section,
1504 (uplong)value,
1505 dllindex, /* st_size */
1506 ELFW_ST_INFO(STB_GLOBAL, STT_NOTYPE),
1507 0,
1508 value ? SHN_ABS : SHN_UNDEF,
1509 name
1510 );
1511 }
1512
1513 static int add_dllref(TCCState *s1, const char *dllname)
1514 {
1515 DLLReference *dllref;
1516 int i;
1517 for (i = 0; i < s1->nb_loaded_dlls; ++i)
1518 if (0 == strcmp(s1->loaded_dlls[i]->name, dllname))
1519 return i + 1;
1520 dllref = tcc_mallocz(sizeof(DLLReference) + strlen(dllname));
1521 strcpy(dllref->name, dllname);
1522 dynarray_add((void ***) &s1->loaded_dlls, &s1->nb_loaded_dlls, dllref);
1523 return s1->nb_loaded_dlls;
1524 }
1525
1526 /* ------------------------------------------------------------- */
1527
1528 static int read_mem(FILE *fp, unsigned offset, void *buffer, unsigned len)
1529 {
1530 fseek(fp, offset, 0);
1531 return len == fread(buffer, 1, len, fp);
1532 }
1533
1534 /* -------------------------------------------------------------
1535 * This is for compiled windows resources in 'coff' format
1536 * as generated by 'windres.exe -O coff ...'.
1537 */
1538
1539 static int pe_load_res(TCCState *s1, FILE *fp)
1540 {
1541 struct pe_rsrc_header hdr;
1542 Section *rsrc_section;
1543 int i, ret = -1;
1544 BYTE *ptr;
1545 unsigned offs;
1546
1547 if (!read_mem(fp, 0, &hdr, sizeof hdr))
1548 goto quit;
1549
1550 if (hdr.filehdr.Machine != 0x014C
1551 || hdr.filehdr.NumberOfSections != 1
1552 || strcmp(hdr.sectionhdr.Name, ".rsrc") != 0)
1553 goto quit;
1554
1555 rsrc_section = new_section(s1, ".rsrc", SHT_PROGBITS, SHF_ALLOC);
1556 ptr = section_ptr_add(rsrc_section, hdr.sectionhdr.SizeOfRawData);
1557 offs = hdr.sectionhdr.PointerToRawData;
1558 if (!read_mem(fp, offs, ptr, hdr.sectionhdr.SizeOfRawData))
1559 goto quit;
1560 offs = hdr.sectionhdr.PointerToRelocations;
1561 for (i = 0; i < hdr.sectionhdr.NumberOfRelocations; ++i)
1562 {
1563 struct pe_rsrc_reloc rel;
1564 if (!read_mem(fp, offs, &rel, sizeof rel))
1565 goto quit;
1566 // printf("rsrc_reloc: %x %x %x\n", rel.offset, rel.size, rel.type);
1567 if (rel.type != 7) /* DIR32NB */
1568 goto quit;
1569 put_elf_reloc(symtab_section, rsrc_section,
1570 rel.offset, R_XXX_RELATIVE, 0);
1571 offs += sizeof rel;
1572 }
1573 ret = 0;
1574 quit:
1575 return ret;
1576 }
1577
1578 /* ------------------------------------------------------------- */
1579 static char *trimfront(char *p)
1580 {
1581 while (*p && (unsigned char)*p <= ' ')
1582 ++p;
1583 return p;
1584 }
1585
1586 static char *trimback(char *a, char *e)
1587 {
1588 while (e > a && (unsigned char)e[-1] <= ' ')
1589 --e;
1590 *e = 0;;
1591 return a;
1592 }
1593
1594 static char *get_line(char *line, int size, FILE *fp)
1595 {
1596 if (NULL == fgets(line, size, fp))
1597 return NULL;
1598 trimback(line, strchr(line, 0));
1599 return trimfront(line);
1600 }
1601
1602 /* ------------------------------------------------------------- */
1603 static int pe_load_def(TCCState *s1, FILE *fp)
1604 {
1605 int state = 0, ret = -1, dllindex = 0;
1606 char line[400], dllname[80], *p;
1607
1608 for (;;) {
1609 p = get_line(line, sizeof line, fp);
1610 if (NULL == p)
1611 break;
1612 if (0 == *p || ';' == *p)
1613 continue;
1614 switch (state) {
1615 case 0:
1616 if (0 != strnicmp(p, "LIBRARY", 7))
1617 goto quit;
1618 strcpy(dllname, trimfront(p+7));
1619 ++state;
1620 continue;
1621
1622 case 1:
1623 if (0 != stricmp(p, "EXPORTS"))
1624 goto quit;
1625 ++state;
1626 continue;
1627
1628 case 2:
1629 dllindex = add_dllref(s1, dllname);
1630 ++state;
1631
1632 default:
1633 pe_putimport(s1, dllindex, p, NULL);
1634 continue;
1635 }
1636 }
1637 ret = 0;
1638 quit:
1639 return ret;
1640 }
1641
1642 /* ------------------------------------------------------------- */
1643 #define TINY_IMPDEF_GET_EXPORT_NAMES_ONLY
1644 #include "win32/tools/tiny_impdef.c"
1645
1646 static int pe_load_dll(TCCState *s1, const char *dllname, FILE *fp)
1647 {
1648 char *p, *q;
1649 int index;
1650 p = get_export_names(fp);
1651 if (!p)
1652 return -1;
1653 index = add_dllref(s1, dllname);
1654 for (q = p; *q; q += 1 + strlen(q))
1655 pe_putimport(s1, index, q, NULL);
1656 tcc_free(p);
1657 return 0;
1658 }
1659
1660 /* ------------------------------------------------------------- */
1661 ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd)
1662 {
1663 FILE *fp = fdopen(dup(fd), "rb");
1664 int ret = -1;
1665 char buf[10];
1666 if (fp) {
1667 if (0 == strcmp(tcc_fileextension(filename), ".def"))
1668 ret = pe_load_def(s1, fp);
1669 else if (pe_load_res(s1, fp) == 0)
1670 ret = 0;
1671 else if (read_mem(fp, 0, buf, sizeof buf) && 0 == strncmp(buf, "MZ", 2))
1672 ret = pe_load_dll(s1, tcc_basename(filename), fp);
1673 fclose(fp);
1674 }
1675 return ret;
1676 }
1677
1678 ST_FUNC int pe_add_dll(struct TCCState *s, const char *libname)
1679 {
1680 static const char *pat[] = {
1681 "%s.def", "lib%s.def", "%s.dll", "lib%s.dll", NULL
1682 };
1683 const char **p = pat;
1684 do {
1685 char buf[MAX_PATH];
1686 snprintf(buf, sizeof(buf), *p, libname);
1687 if (tcc_add_dll(s, buf, 0) == 0)
1688 return 0;
1689 } while (*++p);
1690 return -1;
1691 }
1692
1693 /* ------------------------------------------------------------- */
1694 #ifdef TCC_TARGET_X86_64
1695 ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack)
1696 {
1697 static const char uw_info[] = {
1698 0x01, // UBYTE: 3 Version , UBYTE: 5 Flags
1699 0x04, // UBYTE Size of prolog
1700 0x02, // UBYTE Count of unwind codes
1701 0x05, // UBYTE: 4 Frame Register (rbp), UBYTE: 4 Frame Register offset (scaled)
1702 // USHORT * n Unwind codes array
1703 // 0x0b, 0x01, 0xff, 0xff, // stack size
1704 0x04, 0x03, // set frame ptr (mov rsp -> rbp)
1705 0x01, 0x50 // push reg (rbp)
1706 };
1707
1708 struct pe_uw *pe_uw = &tcc_state->pe_unwind;
1709
1710 Section *uw, *pd;
1711 WORD *p1;
1712 DWORD *p2;
1713 unsigned o2;
1714
1715 uw = data_section;
1716 pd = pe_uw->pdata;
1717 if (NULL == pd)
1718 {
1719 pe_uw->pdata = pd = find_section(tcc_state, ".pdata");
1720 pe_uw->pdata->sh_addralign = 4;
1721 section_ptr_add(uw, -uw->data_offset & 3);
1722 pe_uw->offs_1 = uw->data_offset;
1723 p1 = section_ptr_add(uw, sizeof uw_info);
1724 /* use one common entry for all functions */
1725 memcpy(p1, uw_info, sizeof uw_info);
1726 pe_uw->sym_1 = put_elf_sym(symtab_section, 0, 0, 0, 0, text_section->sh_num, NULL);
1727 pe_uw->sym_2 = put_elf_sym(symtab_section, 0, 0, 0, 0, uw->sh_num, NULL);
1728 }
1729
1730 o2 = pd->data_offset;
1731 p2 = section_ptr_add(pd, 3 * sizeof (DWORD));
1732 /* record this function */
1733 p2[0] = start;
1734 p2[1] = end;
1735 p2[2] = pe_uw->offs_1;
1736 /* put relocations on it */
1737 put_elf_reloc(symtab_section, pd, o2, R_X86_64_RELATIVE, pe_uw->sym_1);
1738 put_elf_reloc(symtab_section, pd, o2+4, R_X86_64_RELATIVE, pe_uw->sym_1);
1739 put_elf_reloc(symtab_section, pd, o2+8, R_X86_64_RELATIVE, pe_uw->sym_2);
1740 }
1741 #endif
1742
1743 /* ------------------------------------------------------------- */
1744 #ifdef TCC_TARGET_X86_64
1745 #define PE_STDSYM(n,s) n
1746 #else
1747 #define PE_STDSYM(n,s) "_" n s
1748 #endif
1749
1750 static void pe_add_runtime_ex(TCCState *s1, struct pe_info *pe)
1751 {
1752 const char *start_symbol;
1753 unsigned long addr = 0;
1754 int pe_type = 0;
1755
1756 if (find_elf_sym(symtab_section, PE_STDSYM("WinMain","@16")))
1757 pe_type = PE_GUI;
1758 else
1759 if (TCC_OUTPUT_DLL == s1->output_type) {
1760 pe_type = PE_DLL;
1761 /* need this for 'tccelf.c:relocate_section()' */
1762 s1->output_type = TCC_OUTPUT_EXE;
1763 }
1764 else
1765 pe_type = PE_EXE;
1766
1767 start_symbol =
1768 TCC_OUTPUT_MEMORY == s1->output_type
1769 ? PE_GUI == pe_type ? "__runwinmain" : "_main"
1770 : PE_DLL == pe_type ? PE_STDSYM("__dllstart","@12")
1771 : PE_GUI == pe_type ? "__winstart" : "__start"
1772 ;
1773
1774 if (!s1->leading_underscore || strchr(start_symbol, '@')) {
1775 ++start_symbol;
1776 if (start_symbol[0] != '_')
1777 start_symbol = NULL;
1778 }
1779
1780 /* grab the startup code from libtcc1 */
1781 if (start_symbol)
1782 add_elf_sym(symtab_section,
1783 0, 0,
1784 ELFW_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0,
1785 SHN_UNDEF, start_symbol);
1786
1787 if (0 == s1->nostdlib) {
1788 static const char *libs[] = {
1789 "tcc1", "msvcrt", "kernel32", "", "user32", "gdi32", NULL
1790 };
1791 const char **pp, *p;
1792 for (pp = libs; 0 != (p = *pp); ++pp) {
1793 if (0 == *p) {
1794 if (PE_DLL != pe_type && PE_GUI != pe_type)
1795 break;
1796 } else if (tcc_add_library(s1, p) < 0)
1797 error_noabort("cannot find library: %s", p);
1798 }
1799 }
1800
1801 if (TCC_OUTPUT_MEMORY == s1->output_type)
1802 pe_type = PE_RUN;
1803
1804 if (start_symbol) {
1805 addr = (uplong)tcc_get_symbol_err(s1, start_symbol);
1806 if (PE_RUN == pe_type && addr)
1807 /* for -run GUI's, put '_runwinmain' instead of 'main' */
1808 add_elf_sym(symtab_section,
1809 addr, 0,
1810 ELFW_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0,
1811 text_section->sh_num, "main");
1812 }
1813
1814 pe->type = pe_type;
1815 pe->start_addr = addr;
1816 }
1817
1818 ST_FUNC int pe_output_file(TCCState * s1, const char *filename)
1819 {
1820 int ret;
1821 struct pe_info pe;
1822 int i;
1823
1824 memset(&pe, 0, sizeof pe);
1825 pe.filename = filename;
1826 pe.s1 = s1;
1827
1828 tcc_add_bcheck(s1);
1829 pe_add_runtime_ex(s1, &pe);
1830 relocate_common_syms(); /* assign bss adresses */
1831 tcc_add_linker_symbols(s1);
1832
1833 ret = pe_check_symbols(&pe);
1834 if (ret)
1835 ;
1836 else if (filename) {
1837 if (PE_DLL == pe.type) {
1838 pe.reloc = new_section(pe.s1, ".reloc", SHT_PROGBITS, 0);
1839 /* XXX: check if is correct for arm-pe target */
1840 pe.imagebase = 0x10000000;
1841 } else {
1842 #if defined(TCC_TARGET_ARM)
1843 pe.imagebase = 0x00010000;
1844 #else
1845 pe.imagebase = 0x00400000;
1846 #endif
1847 }
1848
1849 /* if no subsystem specified, we use "console" subsystem by default */
1850 if (s1->pe_subsystem != 0)
1851 pe.subsystem = s1->pe_subsystem;
1852 else
1853 #if defined(TCC_TARGET_ARM)
1854 pe.subsystem = 9;
1855 #else
1856 pe.subsystem = 3;
1857 #endif
1858 /* set default file/section alignment */
1859 if (pe.subsystem == 1) {
1860 pe.section_align = 0x20;
1861 pe.file_align = 0x20;
1862 } else {
1863 pe.section_align = 0x1000;
1864 pe.file_align = 0x200;
1865 }
1866
1867 if (s1->section_align != 0)
1868 pe.section_align = s1->section_align;
1869 if (s1->pe_file_align != 0)
1870 pe.file_align = s1->pe_file_align;
1871
1872 if ((pe.subsystem >= 10) && (pe.subsystem <= 12))
1873 pe.imagebase = 0;
1874
1875 if (s1->has_text_addr)
1876 pe.imagebase = s1->text_addr;
1877
1878 pe_assign_addresses(&pe);
1879 relocate_syms(s1, 0);
1880 for (i = 1; i < s1->nb_sections; ++i) {
1881 Section *s = s1->sections[i];
1882 if (s->reloc) {
1883 relocate_section(s1, s);
1884 pe_relocate_rva(&pe, s);
1885 }
1886 }
1887 if (s1->nb_errors)
1888 ret = -1;
1889 else
1890 ret = pe_write(&pe);
1891 tcc_free(pe.sec_info);
1892 } else {
1893 #ifndef TCC_IS_NATIVE
1894 error_noabort("-run supported only on native platform");
1895 #endif
1896 pe.thunk = data_section;
1897 pe_build_imports(&pe);
1898 }
1899
1900 #ifdef PE_PRINT_SECTIONS
1901 pe_print_sections(s1, "tcc.log");
1902 #endif
1903 return ret;
1904 }
1905
1906 /* ------------------------------------------------------------- */
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