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145 halyavin 1
/*
6429 siemargl 2
 *  TCCPE.C - PE file output for the Tiny C Compiler
145 halyavin 3
 *
6429 siemargl 4
 *  Copyright (c) 2005-2007 grischka
5
 *
145 halyavin 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
 
6429 siemargl 21
#include "tcc.h"
145 halyavin 22
 
6429 siemargl 23
#ifndef _WIN32
24
#define stricmp strcasecmp
25
#define strnicmp strncasecmp
26
#endif
145 halyavin 27
 
6429 siemargl 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
# define REL_TYPE_DIRECT R_X86_64_64
38
# define R_XXX_THUNKFIX R_X86_64_PC32
39
# define R_XXX_RELATIVE R_X86_64_RELATIVE
40
# define IMAGE_FILE_MACHINE 0x8664
41
# define RSRC_RELTYPE 3
42
 
43
#elif defined TCC_TARGET_ARM
44
# define ADDR3264 DWORD
45
# define REL_TYPE_DIRECT R_ARM_ABS32
46
# define R_XXX_THUNKFIX R_ARM_ABS32
47
# define R_XXX_RELATIVE R_ARM_RELATIVE
48
# define IMAGE_FILE_MACHINE 0x01C0
49
# define RSRC_RELTYPE 7 /* ??? (not tested) */
50
 
51
#elif defined TCC_TARGET_I386
52
# define ADDR3264 DWORD
53
# define REL_TYPE_DIRECT R_386_32
54
# define R_XXX_THUNKFIX R_386_32
55
# define R_XXX_RELATIVE R_386_RELATIVE
56
# define IMAGE_FILE_MACHINE 0x014C
57
# define RSRC_RELTYPE 7 /* DIR32NB */
58
 
59
#endif
60
 
61
#ifdef _WIN32
62
void dbg_printf (const char *fmt, ...)
63
{
64
    char buffer[4000];
65
    va_list arg;
66
    int x;
67
    va_start(arg, fmt);
68
    x = vsprintf (buffer, fmt, arg);
69
    strcpy(buffer+x, "\n");
70
    OutputDebugString(buffer);
71
}
72
#endif
73
 
74
/* ----------------------------------------------------------- */
75
#ifndef IMAGE_NT_SIGNATURE
76
/* ----------------------------------------------------------- */
145 halyavin 77
/* definitions below are from winnt.h */
78
 
6429 siemargl 79
typedef unsigned char BYTE;
80
typedef unsigned short WORD;
81
typedef unsigned int DWORD;
82
typedef unsigned long long ULONGLONG;
83
#pragma pack(push, 1)
145 halyavin 84
 
6429 siemargl 85
typedef struct _IMAGE_DOS_HEADER {  /* DOS .EXE header */
86
    WORD e_magic;         /* Magic number */
87
    WORD e_cblp;          /* Bytes on last page of file */
88
    WORD e_cp;            /* Pages in file */
89
    WORD e_crlc;          /* Relocations */
90
    WORD e_cparhdr;       /* Size of header in paragraphs */
91
    WORD e_minalloc;      /* Minimum extra paragraphs needed */
92
    WORD e_maxalloc;      /* Maximum extra paragraphs needed */
93
    WORD e_ss;            /* Initial (relative) SS value */
94
    WORD e_sp;            /* Initial SP value */
95
    WORD e_csum;          /* Checksum */
96
    WORD e_ip;            /* Initial IP value */
97
    WORD e_cs;            /* Initial (relative) CS value */
98
    WORD e_lfarlc;        /* File address of relocation table */
99
    WORD e_ovno;          /* Overlay number */
100
    WORD e_res[4];        /* Reserved words */
101
    WORD e_oemid;         /* OEM identifier (for e_oeminfo) */
102
    WORD e_oeminfo;       /* OEM information; e_oemid specific */
103
    WORD e_res2[10];      /* Reserved words */
104
    DWORD e_lfanew;        /* File address of new exe header */
145 halyavin 105
} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;
106
 
6429 siemargl 107
#define IMAGE_NT_SIGNATURE  0x00004550  /* PE00 */
145 halyavin 108
#define SIZE_OF_NT_SIGNATURE 4
109
 
110
typedef struct _IMAGE_FILE_HEADER {
6429 siemargl 111
    WORD    Machine;
112
    WORD    NumberOfSections;
113
    DWORD   TimeDateStamp;
114
    DWORD   PointerToSymbolTable;
115
    DWORD   NumberOfSymbols;
116
    WORD    SizeOfOptionalHeader;
117
    WORD    Characteristics;
145 halyavin 118
} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;
119
 
120
 
121
#define IMAGE_SIZEOF_FILE_HEADER 20
122
 
123
typedef struct _IMAGE_DATA_DIRECTORY {
6429 siemargl 124
    DWORD   VirtualAddress;
125
    DWORD   Size;
145 halyavin 126
} IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY;
127
 
128
 
129
typedef struct _IMAGE_OPTIONAL_HEADER {
130
    /* Standard fields. */
6429 siemargl 131
    WORD    Magic;
132
    BYTE    MajorLinkerVersion;
133
    BYTE    MinorLinkerVersion;
134
    DWORD   SizeOfCode;
135
    DWORD   SizeOfInitializedData;
136
    DWORD   SizeOfUninitializedData;
137
    DWORD   AddressOfEntryPoint;
138
    DWORD   BaseOfCode;
139
#ifndef TCC_TARGET_X86_64
140
    DWORD   BaseOfData;
141
#endif
145 halyavin 142
    /* NT additional fields. */
6429 siemargl 143
    ADDR3264 ImageBase;
144
    DWORD   SectionAlignment;
145
    DWORD   FileAlignment;
146
    WORD    MajorOperatingSystemVersion;
147
    WORD    MinorOperatingSystemVersion;
148
    WORD    MajorImageVersion;
149
    WORD    MinorImageVersion;
150
    WORD    MajorSubsystemVersion;
151
    WORD    MinorSubsystemVersion;
152
    DWORD   Win32VersionValue;
153
    DWORD   SizeOfImage;
154
    DWORD   SizeOfHeaders;
155
    DWORD   CheckSum;
156
    WORD    Subsystem;
157
    WORD    DllCharacteristics;
158
    ADDR3264 SizeOfStackReserve;
159
    ADDR3264 SizeOfStackCommit;
160
    ADDR3264 SizeOfHeapReserve;
161
    ADDR3264 SizeOfHeapCommit;
162
    DWORD   LoaderFlags;
163
    DWORD   NumberOfRvaAndSizes;
145 halyavin 164
    IMAGE_DATA_DIRECTORY DataDirectory[16];
6429 siemargl 165
} IMAGE_OPTIONAL_HEADER32, IMAGE_OPTIONAL_HEADER64, IMAGE_OPTIONAL_HEADER;
145 halyavin 166
 
6429 siemargl 167
#define IMAGE_DIRECTORY_ENTRY_EXPORT          0   /* Export Directory */
168
#define IMAGE_DIRECTORY_ENTRY_IMPORT          1   /* Import Directory */
169
#define IMAGE_DIRECTORY_ENTRY_RESOURCE        2   /* Resource Directory */
170
#define IMAGE_DIRECTORY_ENTRY_EXCEPTION       3   /* Exception Directory */
171
#define IMAGE_DIRECTORY_ENTRY_SECURITY        4   /* Security Directory */
172
#define IMAGE_DIRECTORY_ENTRY_BASERELOC       5   /* Base Relocation Table */
173
#define IMAGE_DIRECTORY_ENTRY_DEBUG           6   /* Debug Directory */
145 halyavin 174
/*      IMAGE_DIRECTORY_ENTRY_COPYRIGHT       7      (X86 usage) */
6429 siemargl 175
#define IMAGE_DIRECTORY_ENTRY_ARCHITECTURE    7   /* Architecture Specific Data */
176
#define IMAGE_DIRECTORY_ENTRY_GLOBALPTR       8   /* RVA of GP */
177
#define IMAGE_DIRECTORY_ENTRY_TLS             9   /* TLS Directory */
178
#define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG    10   /* Load Configuration Directory */
179
#define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT   11   /* Bound Import Directory in headers */
180
#define IMAGE_DIRECTORY_ENTRY_IAT            12   /* Import Address Table */
181
#define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT   13   /* Delay Load Import Descriptors */
182
#define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR 14   /* COM Runtime descriptor */
145 halyavin 183
 
184
/* Section header format. */
6429 siemargl 185
#define IMAGE_SIZEOF_SHORT_NAME         8
145 halyavin 186
 
187
typedef struct _IMAGE_SECTION_HEADER {
6429 siemargl 188
    BYTE    Name[IMAGE_SIZEOF_SHORT_NAME];
145 halyavin 189
    union {
6429 siemargl 190
            DWORD   PhysicalAddress;
191
            DWORD   VirtualSize;
145 halyavin 192
    } Misc;
6429 siemargl 193
    DWORD   VirtualAddress;
194
    DWORD   SizeOfRawData;
195
    DWORD   PointerToRawData;
196
    DWORD   PointerToRelocations;
197
    DWORD   PointerToLinenumbers;
198
    WORD    NumberOfRelocations;
199
    WORD    NumberOfLinenumbers;
200
    DWORD   Characteristics;
145 halyavin 201
} IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER;
202
 
6429 siemargl 203
#define IMAGE_SIZEOF_SECTION_HEADER     40
145 halyavin 204
 
6429 siemargl 205
typedef struct _IMAGE_EXPORT_DIRECTORY {
206
    DWORD Characteristics;
207
    DWORD TimeDateStamp;
208
    WORD MajorVersion;
209
    WORD MinorVersion;
210
    DWORD Name;
211
    DWORD Base;
212
    DWORD NumberOfFunctions;
213
    DWORD NumberOfNames;
214
    DWORD AddressOfFunctions;
215
    DWORD AddressOfNames;
216
    DWORD AddressOfNameOrdinals;
217
} IMAGE_EXPORT_DIRECTORY,*PIMAGE_EXPORT_DIRECTORY;
218
 
219
typedef struct _IMAGE_IMPORT_DESCRIPTOR {
220
    union {
221
        DWORD Characteristics;
222
        DWORD OriginalFirstThunk;
223
    };
224
    DWORD TimeDateStamp;
225
    DWORD ForwarderChain;
226
    DWORD Name;
227
    DWORD FirstThunk;
228
} IMAGE_IMPORT_DESCRIPTOR;
229
 
145 halyavin 230
typedef struct _IMAGE_BASE_RELOCATION {
6429 siemargl 231
    DWORD   VirtualAddress;
232
    DWORD   SizeOfBlock;
145 halyavin 233
//  WORD    TypeOffset[1];
234
} IMAGE_BASE_RELOCATION;
235
 
6429 siemargl 236
#define IMAGE_SIZEOF_BASE_RELOCATION     8
145 halyavin 237
 
6429 siemargl 238
#define IMAGE_REL_BASED_ABSOLUTE         0
239
#define IMAGE_REL_BASED_HIGH             1
240
#define IMAGE_REL_BASED_LOW              2
241
#define IMAGE_REL_BASED_HIGHLOW          3
242
#define IMAGE_REL_BASED_HIGHADJ          4
243
#define IMAGE_REL_BASED_MIPS_JMPADDR     5
244
#define IMAGE_REL_BASED_SECTION          6
245
#define IMAGE_REL_BASED_REL32            7
145 halyavin 246
 
6429 siemargl 247
#pragma pack(pop)
145 halyavin 248
 
249
/* ----------------------------------------------------------- */
6429 siemargl 250
#endif /* ndef IMAGE_NT_SIGNATURE */
251
/* ----------------------------------------------------------- */
252
#pragma pack(push, 1)
145 halyavin 253
 
6429 siemargl 254
struct pe_header
255
{
256
    IMAGE_DOS_HEADER doshdr;
257
    BYTE dosstub[0x40];
258
    DWORD nt_sig;
259
    IMAGE_FILE_HEADER filehdr;
260
#ifdef TCC_TARGET_X86_64
261
    IMAGE_OPTIONAL_HEADER64 opthdr;
262
#else
263
#ifdef _WIN64
264
    IMAGE_OPTIONAL_HEADER32 opthdr;
265
#else
266
    IMAGE_OPTIONAL_HEADER opthdr;
267
#endif
268
#endif
145 halyavin 269
};
270
 
6429 siemargl 271
struct pe_reloc_header {
272
    DWORD offset;
273
    DWORD size;
145 halyavin 274
};
275
 
6429 siemargl 276
struct pe_rsrc_header {
277
    struct _IMAGE_FILE_HEADER filehdr;
278
    struct _IMAGE_SECTION_HEADER sectionhdr;
145 halyavin 279
};
280
 
6429 siemargl 281
struct pe_rsrc_reloc {
145 halyavin 282
    DWORD offset;
283
    DWORD size;
6429 siemargl 284
    WORD type;
145 halyavin 285
};
286
 
6429 siemargl 287
#pragma pack(pop)
288
 
145 halyavin 289
/* ------------------------------------------------------------- */
290
/* internal temporary structures */
291
 
6429 siemargl 292
/*
293
#define IMAGE_SCN_CNT_CODE                  0x00000020
294
#define IMAGE_SCN_CNT_INITIALIZED_DATA      0x00000040
295
#define IMAGE_SCN_CNT_UNINITIALIZED_DATA    0x00000080
296
#define IMAGE_SCN_MEM_DISCARDABLE           0x02000000
297
#define IMAGE_SCN_MEM_SHARED                0x10000000
298
#define IMAGE_SCN_MEM_EXECUTE               0x20000000
299
#define IMAGE_SCN_MEM_READ                  0x40000000
300
#define IMAGE_SCN_MEM_WRITE                 0x80000000
301
*/
145 halyavin 302
 
303
enum {
304
    sec_text = 0,
6429 siemargl 305
    sec_data ,
306
    sec_bss ,
307
    sec_idata ,
308
    sec_pdata ,
309
    sec_other ,
310
    sec_rsrc ,
311
    sec_stab ,
312
    sec_reloc ,
313
    sec_last
145 halyavin 314
};
315
 
6429 siemargl 316
static const DWORD pe_sec_flags[] = {
317
    0x60000020, /* ".text"     , */
318
    0xC0000040, /* ".data"     , */
319
    0xC0000080, /* ".bss"      , */
320
    0x40000040, /* ".idata"    , */
321
    0x40000040, /* ".pdata"    , */
322
    0xE0000060, /* < other >   , */
323
    0x40000040, /* ".rsrc"     , */
324
    0x42000802, /* ".stab"     , */
325
    0x42000040, /* ".reloc"    , */
145 halyavin 326
};
327
 
328
struct section_info {
6429 siemargl 329
    int cls, ord;
330
    char name[32];
145 halyavin 331
    DWORD sh_addr;
332
    DWORD sh_size;
6429 siemargl 333
    DWORD sh_flags;
145 halyavin 334
    unsigned char *data;
335
    DWORD data_size;
6429 siemargl 336
    IMAGE_SECTION_HEADER ish;
145 halyavin 337
};
338
 
339
struct import_symbol {
340
    int sym_index;
6429 siemargl 341
    int iat_index;
342
    int thk_offset;
145 halyavin 343
};
344
 
345
struct pe_import_info {
346
    int dll_index;
347
    int sym_count;
348
    struct import_symbol **symbols;
349
};
350
 
351
struct pe_info {
6429 siemargl 352
    TCCState *s1;
353
    Section *reloc;
354
    Section *thunk;
145 halyavin 355
    const char *filename;
6429 siemargl 356
    int type;
145 halyavin 357
    DWORD sizeofheaders;
6429 siemargl 358
    ADDR3264 imagebase;
145 halyavin 359
    DWORD start_addr;
360
    DWORD imp_offs;
361
    DWORD imp_size;
362
    DWORD iat_offs;
363
    DWORD iat_size;
364
    DWORD exp_offs;
365
    DWORD exp_size;
6429 siemargl 366
    int subsystem;
367
    DWORD section_align;
368
    DWORD file_align;
369
    struct section_info *sec_info;
145 halyavin 370
    int sec_count;
371
    struct pe_import_info **imp_info;
372
    int imp_count;
373
};
374
 
375
#define PE_NUL 0
376
#define PE_DLL 1
377
#define PE_GUI 2
378
#define PE_EXE 3
6429 siemargl 379
#define PE_RUN 4
145 halyavin 380
 
6429 siemargl 381
/* --------------------------------------------*/
382
 
383
static const char *pe_export_name(TCCState *s1, ElfW(Sym) *sym)
145 halyavin 384
{
6429 siemargl 385
    const char *name = symtab_section->link->data + sym->st_name;
386
    if (s1->leading_underscore && name[0] == '_' && !(sym->st_other & ST_PE_STDCALL))
387
        return name + 1;
388
    return name;
145 halyavin 389
}
390
 
6429 siemargl 391
static int pe_find_import(TCCState * s1, ElfW(Sym) *sym)
145 halyavin 392
{
6429 siemargl 393
    char buffer[200];
394
    const char *s, *p;
395
    int sym_index = 0, n = 0;
145 halyavin 396
 
6429 siemargl 397
    do {
398
        s = pe_export_name(s1, sym);
399
        if (n) {
400
            /* second try: */
401
	    if (sym->st_other & ST_PE_STDCALL) {
402
                /* try w/0 stdcall deco (windows API convention) */
403
	        p = strrchr(s, '@');
404
	        if (!p || s[0] != '_')
405
	            break;
406
	        strcpy(buffer, s+1)[p-s-1] = 0;
407
	    } else if (s[0] != '_') { /* try non-ansi function */
408
	        buffer[0] = '_', strcpy(buffer + 1, s);
409
	    } else if (0 == memcmp(s, "__imp__", 7)) { /* mingw 2.0 */
410
	        strcpy(buffer, s + 6);
411
	    } else if (0 == memcmp(s, "_imp___", 7)) { /* mingw 3.7 */
412
	        strcpy(buffer, s + 6);
413
	    } else {
414
	        break;
415
	    }
416
	    s = buffer;
145 halyavin 417
        }
6429 siemargl 418
        sym_index = find_elf_sym(s1->dynsymtab_section, s);
419
        // printf("find (%d) %d %s\n", n, sym_index, s);
420
    } while (0 == sym_index && ++n < 2);
421
    return sym_index;
145 halyavin 422
}
423
 
424
/*----------------------------------------------------------------------------*/
425
 
6429 siemargl 426
static int dynarray_assoc(void **pp, int n, int key)
145 halyavin 427
{
428
    int i;
429
    for (i = 0; i < n; ++i, ++pp)
6429 siemargl 430
    if (key == **(int **) pp)
431
        return i;
145 halyavin 432
    return -1;
433
}
434
 
435
#if 0
6429 siemargl 436
ST_FN DWORD umin(DWORD a, DWORD b)
145 halyavin 437
{
438
    return a < b ? a : b;
439
}
440
#endif
441
 
6429 siemargl 442
static DWORD umax(DWORD a, DWORD b)
145 halyavin 443
{
444
    return a < b ? b : a;
445
}
446
 
6429 siemargl 447
static DWORD pe_file_align(struct pe_info *pe, DWORD n)
145 halyavin 448
{
6429 siemargl 449
    return (n + (pe->file_align - 1)) & ~(pe->file_align - 1);
145 halyavin 450
}
451
 
6429 siemargl 452
static DWORD pe_virtual_align(struct pe_info *pe, DWORD n)
145 halyavin 453
{
6429 siemargl 454
    return (n + (pe->section_align - 1)) & ~(pe->section_align - 1);
145 halyavin 455
}
456
 
6429 siemargl 457
static void pe_align_section(Section *s, int a)
145 halyavin 458
{
6429 siemargl 459
    int i = s->data_offset & (a-1);
460
    if (i)
461
        section_ptr_add(s, a - i);
145 halyavin 462
}
463
 
6429 siemargl 464
static void pe_set_datadir(struct pe_header *hdr, int dir, DWORD addr, DWORD size)
145 halyavin 465
{
6429 siemargl 466
    hdr->opthdr.DataDirectory[dir].VirtualAddress = addr;
467
    hdr->opthdr.DataDirectory[dir].Size = size;
145 halyavin 468
}
469
 
6429 siemargl 470
static int pe_fwrite(void *data, unsigned len, FILE *fp, DWORD *psum)
471
{
472
    if (psum) {
473
        DWORD sum = *psum;
474
        WORD *p = data;
475
        int i;
476
        for (i = len; i > 0; i -= 2) {
477
            sum += (i >= 2) ? *p++ : *(BYTE*)p;
478
            sum = (sum + (sum >> 16)) & 0xFFFF;
479
        }
480
        *psum = sum;
481
    }
482
    return len == fwrite(data, 1, len, fp) ? 0 : -1;
483
}
145 halyavin 484
 
6429 siemargl 485
static void pe_fpad(FILE *fp, DWORD new_pos)
486
{
487
    DWORD pos = ftell(fp);
488
    while (++pos <= new_pos)
489
        fputc(0, fp);
490
}
491
 
145 halyavin 492
/*----------------------------------------------------------------------------*/
6429 siemargl 493
static int pe_write(struct pe_info *pe)
145 halyavin 494
{
6429 siemargl 495
    static const struct pe_header pe_template = {
496
    {
497
    /* IMAGE_DOS_HEADER doshdr */
498
    0x5A4D, /*WORD e_magic;         Magic number */
499
    0x0090, /*WORD e_cblp;          Bytes on last page of file */
500
    0x0003, /*WORD e_cp;            Pages in file */
501
    0x0000, /*WORD e_crlc;          Relocations */
502
 
503
    0x0004, /*WORD e_cparhdr;       Size of header in paragraphs */
504
    0x0000, /*WORD e_minalloc;      Minimum extra paragraphs needed */
505
    0xFFFF, /*WORD e_maxalloc;      Maximum extra paragraphs needed */
506
    0x0000, /*WORD e_ss;            Initial (relative) SS value */
507
 
508
    0x00B8, /*WORD e_sp;            Initial SP value */
509
    0x0000, /*WORD e_csum;          Checksum */
510
    0x0000, /*WORD e_ip;            Initial IP value */
511
    0x0000, /*WORD e_cs;            Initial (relative) CS value */
512
    0x0040, /*WORD e_lfarlc;        File address of relocation table */
513
    0x0000, /*WORD e_ovno;          Overlay number */
514
    {0,0,0,0}, /*WORD e_res[4];     Reserved words */
515
    0x0000, /*WORD e_oemid;         OEM identifier (for e_oeminfo) */
516
    0x0000, /*WORD e_oeminfo;       OEM information; e_oemid specific */
517
    {0,0,0,0,0,0,0,0,0,0}, /*WORD e_res2[10];      Reserved words */
518
    0x00000080  /*DWORD   e_lfanew;        File address of new exe header */
519
    },{
520
    /* BYTE dosstub[0x40] */
521
    /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */
522
    0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,0x4c,0xcd,0x21,0x54,0x68,
523
    0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,0x20,0x63,0x61,0x6e,0x6e,0x6f,
524
    0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,0x69,0x6e,0x20,0x44,0x4f,0x53,0x20,
525
    0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0d,0x0a,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
526
    },
527
    0x00004550, /* DWORD nt_sig = IMAGE_NT_SIGNATURE */
528
    {
529
    /* IMAGE_FILE_HEADER filehdr */
530
    IMAGE_FILE_MACHINE, /*WORD    Machine; */
531
    0x0003, /*WORD    NumberOfSections; */
532
    0x00000000, /*DWORD   TimeDateStamp; */
533
    0x00000000, /*DWORD   PointerToSymbolTable; */
534
    0x00000000, /*DWORD   NumberOfSymbols; */
535
#if defined(TCC_TARGET_X86_64)
536
    0x00F0, /*WORD    SizeOfOptionalHeader; */
537
    0x022F  /*WORD    Characteristics; */
538
#define CHARACTERISTICS_DLL 0x222E
539
#elif defined(TCC_TARGET_I386)
540
    0x00E0, /*WORD    SizeOfOptionalHeader; */
541
    0x030F  /*WORD    Characteristics; */
542
#define CHARACTERISTICS_DLL 0x230E
543
#elif defined(TCC_TARGET_ARM)
544
    0x00E0, /*WORD    SizeOfOptionalHeader; */
545
    0x010F, /*WORD    Characteristics; */
546
#define CHARACTERISTICS_DLL 0x230F
547
#endif
548
},{
549
    /* IMAGE_OPTIONAL_HEADER opthdr */
550
    /* Standard fields. */
551
#ifdef TCC_TARGET_X86_64
552
    0x020B, /*WORD    Magic; */
553
#else
554
    0x010B, /*WORD    Magic; */
555
#endif
556
    0x06, /*BYTE    MajorLinkerVersion; */
557
    0x00, /*BYTE    MinorLinkerVersion; */
558
    0x00000000, /*DWORD   SizeOfCode; */
559
    0x00000000, /*DWORD   SizeOfInitializedData; */
560
    0x00000000, /*DWORD   SizeOfUninitializedData; */
561
    0x00000000, /*DWORD   AddressOfEntryPoint; */
562
    0x00000000, /*DWORD   BaseOfCode; */
563
#ifndef TCC_TARGET_X86_64
564
    0x00000000, /*DWORD   BaseOfData; */
565
#endif
566
    /* NT additional fields. */
567
#if defined(TCC_TARGET_ARM)
568
    0x00100000,	    /*DWORD   ImageBase; */
569
#else
570
    0x00400000,	    /*DWORD   ImageBase; */
571
#endif
572
    0x00001000, /*DWORD   SectionAlignment; */
573
    0x00000200, /*DWORD   FileAlignment; */
574
    0x0004, /*WORD    MajorOperatingSystemVersion; */
575
    0x0000, /*WORD    MinorOperatingSystemVersion; */
576
    0x0000, /*WORD    MajorImageVersion; */
577
    0x0000, /*WORD    MinorImageVersion; */
578
    0x0004, /*WORD    MajorSubsystemVersion; */
579
    0x0000, /*WORD    MinorSubsystemVersion; */
580
    0x00000000, /*DWORD   Win32VersionValue; */
581
    0x00000000, /*DWORD   SizeOfImage; */
582
    0x00000200, /*DWORD   SizeOfHeaders; */
583
    0x00000000, /*DWORD   CheckSum; */
584
    0x0002, /*WORD    Subsystem; */
585
    0x0000, /*WORD    DllCharacteristics; */
586
    0x00100000, /*DWORD   SizeOfStackReserve; */
587
    0x00001000, /*DWORD   SizeOfStackCommit; */
588
    0x00100000, /*DWORD   SizeOfHeapReserve; */
589
    0x00001000, /*DWORD   SizeOfHeapCommit; */
590
    0x00000000, /*DWORD   LoaderFlags; */
591
    0x00000010, /*DWORD   NumberOfRvaAndSizes; */
592
 
593
    /* IMAGE_DATA_DIRECTORY DataDirectory[16]; */
594
    {{0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0},
595
     {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}}
596
    }};
597
 
598
    struct pe_header pe_header = pe_template;
599
 
145 halyavin 600
    int i;
601
    FILE *op;
6429 siemargl 602
    DWORD file_offset, sum;
603
    struct section_info *si;
604
    IMAGE_SECTION_HEADER *psh;
145 halyavin 605
 
606
    op = fopen(pe->filename, "wb");
607
    if (NULL == op) {
6429 siemargl 608
        tcc_error_noabort("could not write '%s': %s", pe->filename, strerror(errno));
609
        return -1;
145 halyavin 610
    }
611
 
6429 siemargl 612
    pe->sizeofheaders = pe_file_align(pe,
613
        sizeof (struct pe_header)
614
        + pe->sec_count * sizeof (IMAGE_SECTION_HEADER)
615
        );
145 halyavin 616
 
617
    file_offset = pe->sizeofheaders;
618
 
6429 siemargl 619
    if (2 == pe->s1->verbose)
620
        printf("-------------------------------"
621
               "\n  virt   file   size  section" "\n");
145 halyavin 622
    for (i = 0; i < pe->sec_count; ++i) {
6429 siemargl 623
        DWORD addr, size;
624
        const char *sh_name;
145 halyavin 625
 
6429 siemargl 626
        si = pe->sec_info + i;
627
        sh_name = si->name;
628
        addr = si->sh_addr - pe->imagebase;
629
        size = si->sh_size;
630
        psh = &si->ish;
145 halyavin 631
 
6429 siemargl 632
        if (2 == pe->s1->verbose)
633
            printf("%6x %6x %6x  %s\n",
634
                (unsigned)addr, (unsigned)file_offset, (unsigned)size, sh_name);
145 halyavin 635
 
6429 siemargl 636
        switch (si->cls) {
637
            case sec_text:
638
                pe_header.opthdr.BaseOfCode = addr;
639
                pe_header.opthdr.AddressOfEntryPoint = addr + pe->start_addr;
640
                break;
145 halyavin 641
 
6429 siemargl 642
            case sec_data:
643
#ifndef TCC_TARGET_X86_64
644
                pe_header.opthdr.BaseOfData = addr;
645
#endif
646
                break;
145 halyavin 647
 
6429 siemargl 648
            case sec_bss:
649
                break;
145 halyavin 650
 
6429 siemargl 651
            case sec_reloc:
652
                pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_BASERELOC, addr, size);
653
                break;
145 halyavin 654
 
6429 siemargl 655
            case sec_rsrc:
656
                pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_RESOURCE, addr, size);
657
                break;
145 halyavin 658
 
6429 siemargl 659
            case sec_pdata:
660
                pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_EXCEPTION, addr, size);
661
                break;
145 halyavin 662
 
6429 siemargl 663
            case sec_stab:
664
                break;
665
        }
145 halyavin 666
 
6429 siemargl 667
        if (pe->thunk == pe->s1->sections[si->ord]) {
668
            if (pe->imp_size) {
669
                pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_IMPORT,
670
                    pe->imp_offs + addr, pe->imp_size);
671
                pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_IAT,
672
                    pe->iat_offs + addr, pe->iat_size);
673
            }
674
            if (pe->exp_size) {
675
                pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_EXPORT,
676
                    pe->exp_offs + addr, pe->exp_size);
677
            }
678
        }
145 halyavin 679
 
6429 siemargl 680
        strncpy((char*)psh->Name, sh_name, sizeof psh->Name);
681
 
682
        psh->Characteristics = pe_sec_flags[si->cls];
683
        psh->VirtualAddress = addr;
684
        psh->Misc.VirtualSize = size;
685
        pe_header.opthdr.SizeOfImage =
686
            umax(pe_virtual_align(pe, size + addr), pe_header.opthdr.SizeOfImage);
687
 
688
        if (si->data_size) {
689
            psh->PointerToRawData = file_offset;
690
            file_offset = pe_file_align(pe, file_offset + si->data_size);
691
            psh->SizeOfRawData = file_offset - psh->PointerToRawData;
692
        }
145 halyavin 693
    }
694
 
6429 siemargl 695
    //pe_header.filehdr.TimeDateStamp = time(NULL);
696
    pe_header.filehdr.NumberOfSections = pe->sec_count;
697
    pe_header.opthdr.SizeOfHeaders = pe->sizeofheaders;
698
    pe_header.opthdr.ImageBase = pe->imagebase;
699
    pe_header.opthdr.Subsystem = pe->subsystem;
700
    if (pe->s1->pe_stack_size)
701
        pe_header.opthdr.SizeOfStackReserve = pe->s1->pe_stack_size;
702
    if (PE_DLL == pe->type)
703
        pe_header.filehdr.Characteristics = CHARACTERISTICS_DLL;
145 halyavin 704
 
6429 siemargl 705
    sum = 0;
706
    pe_fwrite(&pe_header, sizeof pe_header, op, &sum);
707
    for (i = 0; i < pe->sec_count; ++i)
708
        pe_fwrite(&pe->sec_info[i].ish, sizeof(IMAGE_SECTION_HEADER), op, &sum);
709
    pe_fpad(op, pe->sizeofheaders);
710
    for (i = 0; i < pe->sec_count; ++i) {
711
        si = pe->sec_info + i;
712
        psh = &si->ish;
713
        if (si->data_size) {
714
            pe_fwrite(si->data, si->data_size, op, &sum);
715
            file_offset = psh->PointerToRawData + psh->SizeOfRawData;
716
            pe_fpad(op, file_offset);
717
        }
718
    }
145 halyavin 719
 
6429 siemargl 720
    pe_header.opthdr.CheckSum = sum + file_offset;
721
    fseek(op, offsetof(struct pe_header, opthdr.CheckSum), SEEK_SET);
722
    pe_fwrite(&pe_header.opthdr.CheckSum, sizeof pe_header.opthdr.CheckSum, op, NULL);
723
    fclose (op);
145 halyavin 724
 
6429 siemargl 725
    if (2 == pe->s1->verbose)
726
        printf("-------------------------------\n");
727
    if (pe->s1->verbose)
728
        printf("<- %s (%u bytes)\n", pe->filename, (unsigned)file_offset);
145 halyavin 729
 
730
    return 0;
731
}
732
 
733
/*----------------------------------------------------------------------------*/
6429 siemargl 734
 
735
static struct import_symbol *pe_add_import(struct pe_info *pe, int sym_index)
145 halyavin 736
{
737
    int i;
738
    int dll_index;
739
    struct pe_import_info *p;
740
    struct import_symbol *s;
6429 siemargl 741
    ElfW(Sym) *isym;
145 halyavin 742
 
6429 siemargl 743
    isym = (ElfW(Sym) *)pe->s1->dynsymtab_section->data + sym_index;
744
    dll_index = isym->st_size;
745
 
746
    i = dynarray_assoc ((void**)pe->imp_info, pe->imp_count, dll_index);
145 halyavin 747
    if (-1 != i) {
6429 siemargl 748
        p = pe->imp_info[i];
749
        goto found_dll;
145 halyavin 750
    }
751
    p = tcc_mallocz(sizeof *p);
752
    p->dll_index = dll_index;
6429 siemargl 753
    dynarray_add((void***)&pe->imp_info, &pe->imp_count, p);
145 halyavin 754
 
6429 siemargl 755
found_dll:
756
    i = dynarray_assoc ((void**)p->symbols, p->sym_count, sym_index);
145 halyavin 757
    if (-1 != i)
6429 siemargl 758
        return p->symbols[i];
759
 
145 halyavin 760
    s = tcc_mallocz(sizeof *s);
6429 siemargl 761
    dynarray_add((void***)&p->symbols, &p->sym_count, s);
145 halyavin 762
    s->sym_index = sym_index;
6429 siemargl 763
    return s;
145 halyavin 764
}
765
 
766
/*----------------------------------------------------------------------------*/
6429 siemargl 767
static void pe_build_imports(struct pe_info *pe)
145 halyavin 768
{
769
    int thk_ptr, ent_ptr, dll_ptr, sym_cnt, i;
6429 siemargl 770
    DWORD rva_base = pe->thunk->sh_addr - pe->imagebase;
145 halyavin 771
    int ndlls = pe->imp_count;
772
 
773
    for (sym_cnt = i = 0; i < ndlls; ++i)
6429 siemargl 774
        sym_cnt += pe->imp_info[i]->sym_count;
145 halyavin 775
 
776
    if (0 == sym_cnt)
6429 siemargl 777
        return;
145 halyavin 778
 
779
    pe_align_section(pe->thunk, 16);
780
 
781
    pe->imp_offs = dll_ptr = pe->thunk->data_offset;
6429 siemargl 782
    pe->imp_size = (ndlls + 1) * sizeof(IMAGE_IMPORT_DESCRIPTOR);
145 halyavin 783
    pe->iat_offs = dll_ptr + pe->imp_size;
6429 siemargl 784
    pe->iat_size = (sym_cnt + ndlls) * sizeof(ADDR3264);
785
    section_ptr_add(pe->thunk, pe->imp_size + 2*pe->iat_size);
145 halyavin 786
 
787
    thk_ptr = pe->iat_offs;
788
    ent_ptr = pe->iat_offs + pe->iat_size;
6429 siemargl 789
 
145 halyavin 790
    for (i = 0; i < pe->imp_count; ++i) {
6429 siemargl 791
        IMAGE_IMPORT_DESCRIPTOR *hdr;
792
        int k, n, dllindex;
793
        ADDR3264 v;
794
        struct pe_import_info *p = pe->imp_info[i];
795
        const char *name;
796
        DLLReference *dllref;
145 halyavin 797
 
6429 siemargl 798
        dllindex = p->dll_index;
799
        if (dllindex)
800
            name = (dllref = pe->s1->loaded_dlls[dllindex-1])->name;
801
        else
802
            name = "", dllref = NULL;
145 halyavin 803
 
6429 siemargl 804
        /* put the dll name into the import header */
805
        v = put_elf_str(pe->thunk, name);
806
        hdr = (IMAGE_IMPORT_DESCRIPTOR*)(pe->thunk->data + dll_ptr);
807
        hdr->FirstThunk = thk_ptr + rva_base;
808
        hdr->OriginalFirstThunk = ent_ptr + rva_base;
809
        hdr->Name = v + rva_base;
145 halyavin 810
 
6429 siemargl 811
        for (k = 0, n = p->sym_count; k <= n; ++k) {
812
            if (k < n) {
813
                int iat_index = p->symbols[k]->iat_index;
814
                int sym_index = p->symbols[k]->sym_index;
815
                ElfW(Sym) *imp_sym = (ElfW(Sym) *)pe->s1->dynsymtab_section->data + sym_index;
816
                ElfW(Sym) *org_sym = (ElfW(Sym) *)symtab_section->data + iat_index;
817
                const char *name = pe->s1->dynsymtab_section->link->data + imp_sym->st_name;
818
                int ordinal;
145 halyavin 819
 
6429 siemargl 820
                org_sym->st_value = thk_ptr;
821
                org_sym->st_shndx = pe->thunk->sh_num;
145 halyavin 822
 
6429 siemargl 823
                if (dllref)
824
                    v = 0, ordinal = imp_sym->st_value; /* ordinal from pe_load_def */
825
                else
826
                    ordinal = 0, v = imp_sym->st_value; /* address from tcc_add_symbol() */
145 halyavin 827
 
6429 siemargl 828
#ifdef TCC_IS_NATIVE
829
                if (pe->type == PE_RUN) {
830
                    if (dllref) {
831
                        if ( !dllref->handle )
832
                            dllref->handle = LoadLibrary(dllref->name);
833
                        v = (ADDR3264)GetProcAddress(dllref->handle, ordinal?(LPCSTR)NULL+ordinal:name);
834
                    }
835
                    if (!v)
836
                        tcc_error_noabort("can't build symbol '%s'", name);
837
                } else
838
#endif
839
                if (ordinal) {
840
                    v = ordinal | (ADDR3264)1 << (sizeof(ADDR3264)*8 - 1);
841
                } else {
842
                    v = pe->thunk->data_offset + rva_base;
843
                    section_ptr_add(pe->thunk, sizeof(WORD)); /* hint, not used */
844
                    put_elf_str(pe->thunk, name);
845
                }
846
 
847
            } else {
848
                v = 0; /* last entry is zero */
849
            }
850
 
851
            *(ADDR3264*)(pe->thunk->data+thk_ptr) =
852
            *(ADDR3264*)(pe->thunk->data+ent_ptr) = v;
853
            thk_ptr += sizeof (ADDR3264);
854
            ent_ptr += sizeof (ADDR3264);
855
        }
856
        dll_ptr += sizeof(IMAGE_IMPORT_DESCRIPTOR);
857
        dynarray_reset(&p->symbols, &p->sym_count);
145 halyavin 858
    }
6429 siemargl 859
    dynarray_reset(&pe->imp_info, &pe->imp_count);
145 halyavin 860
}
861
 
862
/* ------------------------------------------------------------- */
6429 siemargl 863
 
864
struct pe_sort_sym
145 halyavin 865
{
6429 siemargl 866
    int index;
867
    const char *name;
868
};
869
 
870
static int sym_cmp(const void *va, const void *vb)
871
{
872
    const char *ca = (*(struct pe_sort_sym**)va)->name;
873
    const char *cb = (*(struct pe_sort_sym**)vb)->name;
145 halyavin 874
    return strcmp(ca, cb);
875
}
876
 
6429 siemargl 877
static void pe_build_exports(struct pe_info *pe)
145 halyavin 878
{
6429 siemargl 879
    ElfW(Sym) *sym;
880
    int sym_index, sym_end;
881
    DWORD rva_base, func_o, name_o, ord_o, str_o;
882
    IMAGE_EXPORT_DIRECTORY *hdr;
883
    int sym_count, ord;
884
    struct pe_sort_sym **sorted, *p;
145 halyavin 885
 
6429 siemargl 886
    FILE *op;
887
    char buf[MAX_PATH];
888
    const char *dllname;
889
    const char *name;
145 halyavin 890
 
6429 siemargl 891
    rva_base = pe->thunk->sh_addr - pe->imagebase;
892
    sym_count = 0, sorted = NULL, op = NULL;
893
 
894
    sym_end = symtab_section->data_offset / sizeof(ElfW(Sym));
895
    for (sym_index = 1; sym_index < sym_end; ++sym_index) {
896
        sym = (ElfW(Sym)*)symtab_section->data + sym_index;
897
        name = pe_export_name(pe->s1, sym);
898
        if ((sym->st_other & ST_PE_EXPORT)
899
            /* export only symbols from actually written sections */
900
            && pe->s1->sections[sym->st_shndx]->sh_addr) {
901
            p = tcc_malloc(sizeof *p);
902
            p->index = sym_index;
903
            p->name = name;
904
            dynarray_add((void***)&sorted, &sym_count, p);
905
        }
906
#if 0
907
        if (sym->st_other & ST_PE_EXPORT)
908
            printf("export: %s\n", name);
909
        if (sym->st_other & ST_PE_STDCALL)
910
            printf("stdcall: %s\n", name);
911
#endif
145 halyavin 912
    }
913
 
914
    if (0 == sym_count)
6429 siemargl 915
        return;
145 halyavin 916
 
6429 siemargl 917
    qsort (sorted, sym_count, sizeof *sorted, sym_cmp);
918
 
145 halyavin 919
    pe_align_section(pe->thunk, 16);
6429 siemargl 920
    dllname = tcc_basename(pe->filename);
145 halyavin 921
 
922
    pe->exp_offs = pe->thunk->data_offset;
6429 siemargl 923
    func_o = pe->exp_offs + sizeof(IMAGE_EXPORT_DIRECTORY);
924
    name_o = func_o + sym_count * sizeof (DWORD);
925
    ord_o = name_o + sym_count * sizeof (DWORD);
926
    str_o = ord_o + sym_count * sizeof(WORD);
145 halyavin 927
 
6429 siemargl 928
    hdr = section_ptr_add(pe->thunk, str_o - pe->exp_offs);
929
    hdr->Characteristics        = 0;
930
    hdr->Base                   = 1;
931
    hdr->NumberOfFunctions      = sym_count;
932
    hdr->NumberOfNames          = sym_count;
933
    hdr->AddressOfFunctions     = func_o + rva_base;
934
    hdr->AddressOfNames         = name_o + rva_base;
935
    hdr->AddressOfNameOrdinals  = ord_o + rva_base;
936
    hdr->Name                   = str_o + rva_base;
937
    put_elf_str(pe->thunk, dllname);
145 halyavin 938
 
6429 siemargl 939
#if 1
940
    /* automatically write exports to .def */
941
    pstrcpy(buf, sizeof buf, pe->filename);
942
    strcpy(tcc_fileextension(buf), ".def");
943
    op = fopen(buf, "w");
944
    if (NULL == op) {
945
        tcc_error_noabort("could not create '%s': %s", buf, strerror(errno));
946
    } else {
947
        fprintf(op, "LIBRARY %s\n\nEXPORTS\n", dllname);
948
        if (pe->s1->verbose)
949
            printf("<- %s (%d symbols)\n", buf, sym_count);
950
    }
951
#endif
145 halyavin 952
 
953
    for (ord = 0; ord < sym_count; ++ord)
954
    {
6429 siemargl 955
        p = sorted[ord], sym_index = p->index, name = p->name;
956
        /* insert actual address later in pe_relocate_rva */
957
        put_elf_reloc(symtab_section, pe->thunk,
958
            func_o, R_XXX_RELATIVE, sym_index);
959
        *(DWORD*)(pe->thunk->data + name_o)
960
            = pe->thunk->data_offset + rva_base;
961
        *(WORD*)(pe->thunk->data + ord_o)
962
            = ord;
963
        put_elf_str(pe->thunk, name);
964
        func_o += sizeof (DWORD);
965
        name_o += sizeof (DWORD);
966
        ord_o += sizeof (WORD);
967
        if (op)
968
            fprintf(op, "%s\n", name);
145 halyavin 969
    }
970
    pe->exp_size = pe->thunk->data_offset - pe->exp_offs;
6429 siemargl 971
    dynarray_reset(&sorted, &sym_count);
972
    if (op)
973
        fclose(op);
145 halyavin 974
}
975
 
976
/* ------------------------------------------------------------- */
6429 siemargl 977
static void pe_build_reloc (struct pe_info *pe)
145 halyavin 978
{
979
    DWORD offset, block_ptr, addr;
980
    int count, i;
6429 siemargl 981
    ElfW_Rel *rel, *rel_end;
145 halyavin 982
    Section *s = NULL, *sr;
6429 siemargl 983
 
145 halyavin 984
    offset = addr = block_ptr = count = i = 0;
985
    rel = rel_end = NULL;
986
 
6429 siemargl 987
    for(;;) {
988
        if (rel < rel_end) {
989
            int type = ELFW(R_TYPE)(rel->r_info);
990
            addr = rel->r_offset + s->sh_addr;
991
            ++ rel;
992
            if (type != REL_TYPE_DIRECT)
993
                continue;
994
            if (count == 0) { /* new block */
995
                block_ptr = pe->reloc->data_offset;
996
                section_ptr_add(pe->reloc, sizeof(struct pe_reloc_header));
997
                offset = addr & 0xFFFFFFFF<<12;
998
            }
999
            if ((addr -= offset)  < (1<<12)) { /* one block spans 4k addresses */
1000
                WORD *wp = section_ptr_add(pe->reloc, sizeof (WORD));
1001
                *wp = addr | IMAGE_REL_BASED_HIGHLOW<<12;
1002
                ++count;
1003
                continue;
1004
            }
1005
            -- rel;
1006
 
1007
        } else if (i < pe->sec_count) {
1008
            sr = (s = pe->s1->sections[pe->sec_info[i++].ord])->reloc;
1009
            if (sr) {
1010
                rel = (ElfW_Rel *)sr->data;
1011
                rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
1012
            }
1013
            continue;
1014
        }
1015
 
1016
        if (count) {
1017
            /* store the last block and ready for a new one */
1018
            struct pe_reloc_header *hdr;
1019
            if (count & 1) /* align for DWORDS */
1020
                section_ptr_add(pe->reloc, sizeof(WORD)), ++count;
1021
            hdr = (struct pe_reloc_header *)(pe->reloc->data + block_ptr);
1022
            hdr -> offset = offset - pe->imagebase;
1023
            hdr -> size = count * sizeof(WORD) + sizeof(struct pe_reloc_header);
1024
            count = 0;
1025
        }
1026
 
1027
        if (rel >= rel_end)
1028
            break;
145 halyavin 1029
    }
1030
}
1031
 
1032
/* ------------------------------------------------------------- */
6429 siemargl 1033
static int pe_section_class(Section *s)
145 halyavin 1034
{
6429 siemargl 1035
    int type, flags;
1036
    const char *name;
1037
 
1038
    type = s->sh_type;
1039
    flags = s->sh_flags;
1040
    name = s->name;
1041
    if (flags & SHF_ALLOC) {
1042
        if (type == SHT_PROGBITS) {
1043
            if (flags & SHF_EXECINSTR)
1044
                return sec_text;
1045
            if (flags & SHF_WRITE)
1046
                return sec_data;
1047
            if (0 == strcmp(name, ".rsrc"))
1048
                return sec_rsrc;
1049
            if (0 == strcmp(name, ".iedat"))
1050
                return sec_idata;
1051
            if (0 == strcmp(name, ".pdata"))
1052
                return sec_pdata;
1053
            return sec_other;
1054
        } else if (type == SHT_NOBITS) {
1055
            if (flags & SHF_WRITE)
1056
                return sec_bss;
1057
        }
1058
    } else {
1059
        if (0 == strcmp(name, ".reloc"))
1060
            return sec_reloc;
1061
        if (0 == strncmp(name, ".stab", 5)) /* .stab and .stabstr */
1062
            return sec_stab;
1063
    }
1064
    return -1;
1065
}
1066
 
1067
static int pe_assign_addresses (struct pe_info *pe)
1068
{
1069
    int i, k, o, c;
145 halyavin 1070
    DWORD addr;
6429 siemargl 1071
    int *section_order;
1072
    struct section_info *si;
1073
    Section *s;
145 halyavin 1074
 
6429 siemargl 1075
    // pe->thunk = new_section(pe->s1, ".iedat", SHT_PROGBITS, SHF_ALLOC);
1076
 
1077
    section_order = tcc_malloc(pe->s1->nb_sections * sizeof (int));
1078
    for (o = k = 0 ; k < sec_last; ++k) {
1079
        for (i = 1; i < pe->s1->nb_sections; ++i) {
1080
            s = pe->s1->sections[i];
1081
            if (k == pe_section_class(s)) {
1082
                // printf("%s %d\n", s->name, k);
1083
                s->sh_addr = pe->imagebase;
1084
                section_order[o++] = i;
1085
            }
1086
        }
1087
    }
1088
 
1089
    pe->sec_info = tcc_mallocz(o * sizeof (struct section_info));
145 halyavin 1090
    addr = pe->imagebase + 1;
1091
 
6429 siemargl 1092
    for (i = 0; i < o; ++i)
1093
    {
1094
        k = section_order[i];
1095
        s = pe->s1->sections[k];
1096
        c = pe_section_class(s);
1097
        si = &pe->sec_info[pe->sec_count];
145 halyavin 1098
 
1099
#ifdef PE_MERGE_DATA
6429 siemargl 1100
        if (c == sec_bss && pe->sec_count && si[-1].cls == sec_data) {
1101
            /* append .bss to .data */
1102
            s->sh_addr = addr = ((addr-1) | (s->sh_addralign-1)) + 1;
1103
            addr += s->data_offset;
1104
            si[-1].sh_size = addr - si[-1].sh_addr;
1105
            continue;
1106
        }
145 halyavin 1107
#endif
6429 siemargl 1108
        if (c == sec_stab && 0 == pe->s1->do_debug)
1109
            continue;
145 halyavin 1110
 
6429 siemargl 1111
        strcpy(si->name, s->name);
1112
        si->cls = c;
1113
        si->ord = k;
1114
        si->sh_addr = s->sh_addr = addr = pe_virtual_align(pe, addr);
1115
        si->sh_flags = s->sh_flags;
145 halyavin 1116
 
6429 siemargl 1117
        if (c == sec_data && NULL == pe->thunk)
1118
            pe->thunk = s;
145 halyavin 1119
 
6429 siemargl 1120
        if (s == pe->thunk) {
1121
            pe_build_imports(pe);
1122
            pe_build_exports(pe);
1123
        }
1124
 
1125
        if (c == sec_reloc)
1126
            pe_build_reloc (pe);
1127
 
1128
        if (s->data_offset)
1129
        {
1130
            if (s->sh_type != SHT_NOBITS) {
1131
                si->data = s->data;
1132
                si->data_size = s->data_offset;
1133
            }
1134
 
1135
            addr += s->data_offset;
1136
            si->sh_size = s->data_offset;
1137
            ++pe->sec_count;
1138
        }
1139
        // printf("%08x %05x %s\n", si->sh_addr, si->sh_size, si->name);
145 halyavin 1140
    }
6429 siemargl 1141
 
1142
#if 0
1143
    for (i = 1; i < pe->s1->nb_sections; ++i) {
1144
        Section *s = pe->s1->sections[i];
1145
        int type = s->sh_type;
1146
        int flags = s->sh_flags;
1147
        printf("section %-16s %-10s %5x %s,%s,%s\n",
1148
            s->name,
1149
            type == SHT_PROGBITS ? "progbits" :
1150
            type == SHT_NOBITS ? "nobits" :
1151
            type == SHT_SYMTAB ? "symtab" :
1152
            type == SHT_STRTAB ? "strtab" :
1153
            type == SHT_RELX ? "rel" : "???",
1154
            s->data_offset,
1155
            flags & SHF_ALLOC ? "alloc" : "",
1156
            flags & SHF_WRITE ? "write" : "",
1157
            flags & SHF_EXECINSTR ? "exec" : ""
1158
            );
1159
    }
1160
    pe->s1->verbose = 2;
1161
#endif
1162
 
1163
    tcc_free(section_order);
145 halyavin 1164
    return 0;
1165
}
1166
 
6429 siemargl 1167
/* ------------------------------------------------------------- */
1168
static void pe_relocate_rva (struct pe_info *pe, Section *s)
1169
{
1170
    Section *sr = s->reloc;
1171
    ElfW_Rel *rel, *rel_end;
1172
    rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
1173
    for(rel = (ElfW_Rel *)sr->data; rel < rel_end; rel++) {
1174
        if (ELFW(R_TYPE)(rel->r_info) == R_XXX_RELATIVE) {
1175
            int sym_index = ELFW(R_SYM)(rel->r_info);
1176
            DWORD addr = s->sh_addr;
1177
            if (sym_index) {
1178
                ElfW(Sym) *sym = (ElfW(Sym) *)symtab_section->data + sym_index;
1179
                addr = sym->st_value;
1180
            }
1181
            // printf("reloc rva %08x %08x %s\n", (DWORD)rel->r_offset, addr, s->name);
1182
            *(DWORD*)(s->data + rel->r_offset) += addr - pe->imagebase;
1183
        }
1184
    }
1185
}
1186
 
145 halyavin 1187
/*----------------------------------------------------------------------------*/
6429 siemargl 1188
 
1189
static int pe_isafunc(int sym_index)
145 halyavin 1190
{
6429 siemargl 1191
    Section *sr = text_section->reloc;
1192
    ElfW_Rel *rel, *rel_end;
1193
    Elf32_Word info = ELF32_R_INFO(sym_index, R_386_PC32);
1194
    if (!sr)
1195
        return 0;
1196
    rel_end = (ElfW_Rel *)(sr->data + sr->data_offset);
1197
    for (rel = (ElfW_Rel *)sr->data; rel < rel_end; rel++)
1198
        if (rel->r_info == info)
1199
            return 1;
1200
    return 0;
1201
}
1202
 
1203
/*----------------------------------------------------------------------------*/
1204
static int pe_check_symbols(struct pe_info *pe)
1205
{
1206
    ElfW(Sym) *sym;
1207
    int sym_index, sym_end;
145 halyavin 1208
    int ret = 0;
1209
 
1210
    pe_align_section(text_section, 8);
1211
 
6429 siemargl 1212
    sym_end = symtab_section->data_offset / sizeof(ElfW(Sym));
1213
    for (sym_index = 1; sym_index < sym_end; ++sym_index) {
1214
 
1215
        sym = (ElfW(Sym) *)symtab_section->data + sym_index;
1216
        if (sym->st_shndx == SHN_UNDEF) {
1217
 
1218
            const char *name = symtab_section->link->data + sym->st_name;
1219
            unsigned type = ELFW(ST_TYPE)(sym->st_info);
1220
            int imp_sym = pe_find_import(pe->s1, sym);
1221
            struct import_symbol *is;
1222
 
1223
            if (0 == imp_sym)
1224
                goto not_found;
1225
 
1226
            if (type == STT_NOTYPE) {
1227
                /* symbols from assembler have no type, find out which */
1228
                if (pe_isafunc(sym_index))
1229
                    type = STT_FUNC;
1230
                else
1231
                    type = STT_OBJECT;
1232
            }
1233
 
1234
            is = pe_add_import(pe, imp_sym);
1235
 
1236
            if (type == STT_FUNC) {
1237
                unsigned long offset = is->thk_offset;
1238
                if (offset) {
1239
                    /* got aliased symbol, like stricmp and _stricmp */
1240
 
1241
                } else {
1242
                    char buffer[100];
1243
                    WORD *p;
1244
 
1245
                    offset = text_section->data_offset;
1246
                    /* add the 'jmp IAT[x]' instruction */
1247
#ifdef TCC_TARGET_ARM
1248
                    p = section_ptr_add(text_section, 8+4); // room for code and address
1249
                    (*(DWORD*)(p)) = 0xE59FC000; // arm code ldr ip, [pc] ; PC+8+0 = 0001xxxx
1250
                    (*(DWORD*)(p+2)) = 0xE59CF000; // arm code ldr pc, [ip]
1251
#else
1252
                    p = section_ptr_add(text_section, 8);
1253
                    *p = 0x25FF;
1254
#ifdef TCC_TARGET_X86_64
1255
                    *(DWORD*)(p+1) = (DWORD)-4;
1256
#endif
1257
#endif
1258
                    /* add a helper symbol, will be patched later in
1259
                       pe_build_imports */
1260
                    sprintf(buffer, "IAT.%s", name);
1261
                    is->iat_index = put_elf_sym(
1262
                        symtab_section, 0, sizeof(DWORD),
1263
                        ELFW(ST_INFO)(STB_GLOBAL, STT_OBJECT),
1264
                        0, SHN_UNDEF, buffer);
1265
#ifdef TCC_TARGET_ARM
1266
                    put_elf_reloc(symtab_section, text_section,
1267
                        offset + 8, R_XXX_THUNKFIX, is->iat_index); // offset to IAT position
1268
#else
1269
                    put_elf_reloc(symtab_section, text_section,
1270
                        offset + 2, R_XXX_THUNKFIX, is->iat_index);
1271
#endif
1272
                    is->thk_offset = offset;
1273
                }
1274
 
1275
                /* tcc_realloc might have altered sym's address */
1276
                sym = (ElfW(Sym) *)symtab_section->data + sym_index;
1277
 
1278
                /* patch the original symbol */
1279
                sym->st_value = offset;
1280
                sym->st_shndx = text_section->sh_num;
1281
                sym->st_other &= ~ST_PE_EXPORT; /* do not export */
1282
                continue;
1283
            }
1284
 
1285
            if (type == STT_OBJECT) { /* data, ptr to that should be */
1286
                if (0 == is->iat_index) {
1287
                    /* original symbol will be patched later in pe_build_imports */
1288
                    is->iat_index = sym_index;
1289
                    continue;
1290
                }
1291
            }
1292
 
1293
        not_found:
1294
            tcc_error_noabort("undefined symbol '%s'", name);
1295
            ret = -1;
1296
 
1297
        } else if (pe->s1->rdynamic
1298
                   && ELFW(ST_BIND)(sym->st_info) != STB_LOCAL) {
1299
            /* if -rdynamic option, then export all non local symbols */
1300
            sym->st_other |= ST_PE_EXPORT;
1301
        }
145 halyavin 1302
    }
1303
    return ret;
1304
}
1305
 
1306
/*----------------------------------------------------------------------------*/
1307
#ifdef PE_PRINT_SECTIONS
6429 siemargl 1308
static void pe_print_section(FILE * f, Section * s)
1309
{
1310
    /* just if you'r curious */
145 halyavin 1311
    BYTE *p, *e, b;
1312
    int i, n, l, m;
1313
    p = s->data;
1314
    e = s->data + s->data_offset;
1315
    l = e - p;
1316
 
1317
    fprintf(f, "section  \"%s\"", s->name);
1318
    if (s->link)
6429 siemargl 1319
        fprintf(f, "\nlink     \"%s\"", s->link->name);
145 halyavin 1320
    if (s->reloc)
6429 siemargl 1321
        fprintf(f, "\nreloc    \"%s\"", s->reloc->name);
1322
    fprintf(f, "\nv_addr   %08X", (unsigned)s->sh_addr);
1323
    fprintf(f, "\ncontents %08X", (unsigned)l);
145 halyavin 1324
    fprintf(f, "\n\n");
1325
 
1326
    if (s->sh_type == SHT_NOBITS)
6429 siemargl 1327
        return;
145 halyavin 1328
 
6429 siemargl 1329
    if (0 == l)
1330
        return;
1331
 
145 halyavin 1332
    if (s->sh_type == SHT_SYMTAB)
6429 siemargl 1333
        m = sizeof(ElfW(Sym));
1334
    else if (s->sh_type == SHT_RELX)
1335
        m = sizeof(ElfW_Rel);
145 halyavin 1336
    else
6429 siemargl 1337
        m = 16;
145 halyavin 1338
 
6429 siemargl 1339
    fprintf(f, "%-8s", "offset");
1340
    for (i = 0; i < m; ++i)
1341
        fprintf(f, " %02x", i);
1342
    n = 56;
145 halyavin 1343
 
6429 siemargl 1344
    if (s->sh_type == SHT_SYMTAB || s->sh_type == SHT_RELX) {
1345
        const char *fields1[] = {
1346
            "name",
1347
            "value",
1348
            "size",
1349
            "bind",
1350
            "type",
1351
            "other",
1352
            "shndx",
1353
            NULL
1354
        };
1355
 
1356
        const char *fields2[] = {
1357
            "offs",
1358
            "type",
1359
            "symb",
1360
            NULL
1361
        };
1362
 
1363
        const char **p;
1364
 
1365
        if (s->sh_type == SHT_SYMTAB)
1366
            p = fields1, n = 106;
1367
        else
1368
            p = fields2, n = 58;
1369
 
1370
        for (i = 0; p[i]; ++i)
1371
            fprintf(f, "%6s", p[i]);
1372
        fprintf(f, "  symbol");
145 halyavin 1373
    }
6429 siemargl 1374
 
1375
    fprintf(f, "\n");
1376
    for (i = 0; i < n; ++i)
1377
        fprintf(f, "-");
1378
    fprintf(f, "\n");
1379
 
1380
    for (i = 0; i < l;)
1381
    {
1382
        fprintf(f, "%08X", i);
1383
        for (n = 0; n < m; ++n) {
1384
            if (n + i < l)
1385
                fprintf(f, " %02X", p[i + n]);
1386
            else
1387
                fprintf(f, "   ");
1388
        }
1389
 
1390
        if (s->sh_type == SHT_SYMTAB) {
1391
            ElfW(Sym) *sym = (ElfW(Sym) *) (p + i);
1392
            const char *name = s->link->data + sym->st_name;
1393
            fprintf(f, "  %04X  %04X  %04X   %02X    %02X    %02X   %04X  \"%s\"",
1394
                    (unsigned)sym->st_name,
1395
                    (unsigned)sym->st_value,
1396
                    (unsigned)sym->st_size,
1397
                    (unsigned)ELFW(ST_BIND)(sym->st_info),
1398
                    (unsigned)ELFW(ST_TYPE)(sym->st_info),
1399
                    (unsigned)sym->st_other,
1400
                    (unsigned)sym->st_shndx,
1401
                    name);
1402
 
1403
        } else if (s->sh_type == SHT_RELX) {
1404
            ElfW_Rel *rel = (ElfW_Rel *) (p + i);
1405
            ElfW(Sym) *sym =
1406
                (ElfW(Sym) *) s->link->data + ELFW(R_SYM)(rel->r_info);
1407
            const char *name = s->link->link->data + sym->st_name;
1408
            fprintf(f, "  %04X   %02X   %04X  \"%s\"",
1409
                    (unsigned)rel->r_offset,
1410
                    (unsigned)ELFW(R_TYPE)(rel->r_info),
1411
                    (unsigned)ELFW(R_SYM)(rel->r_info),
1412
                    name);
1413
        } else {
1414
            fprintf(f, "   ");
1415
            for (n = 0; n < m; ++n) {
1416
                if (n + i < l) {
1417
                    b = p[i + n];
1418
                    if (b < 32 || b >= 127)
1419
                        b = '.';
1420
                    fprintf(f, "%c", b);
1421
                }
1422
            }
1423
        }
1424
        i += m;
1425
        fprintf(f, "\n");
1426
    }
145 halyavin 1427
    fprintf(f, "\n\n");
1428
}
6429 siemargl 1429
 
1430
static void pe_print_sections(TCCState *s1, const char *fname)
1431
{
1432
    Section *s;
1433
    FILE *f;
1434
    int i;
1435
    f = fopen(fname, "w");
1436
    for (i = 1; i < s1->nb_sections; ++i) {
1437
        s = s1->sections[i];
1438
        pe_print_section(f, s);
1439
    }
1440
    pe_print_section(f, s1->dynsymtab_section);
1441
    fclose(f);
1442
}
145 halyavin 1443
#endif
1444
 
6429 siemargl 1445
/* ------------------------------------------------------------- */
1446
/* helper function for load/store to insert one more indirection */
1447
 
1448
ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2)
145 halyavin 1449
{
6429 siemargl 1450
    Sym *sym;
1451
    ElfW(Sym) *esym;
1452
    int r2;
145 halyavin 1453
 
6429 siemargl 1454
    if ((sv->r & (VT_VALMASK|VT_SYM)) != (VT_CONST|VT_SYM) || (sv->r2 != VT_CONST))
1455
        return sv;
1456
    sym = sv->sym;
1457
    if ((sym->type.t & (VT_EXTERN|VT_STATIC)) != VT_EXTERN)
1458
        return sv;
1459
    if (!sym->c)
1460
        put_extern_sym(sym, NULL, 0, 0);
1461
    esym = &((ElfW(Sym) *)symtab_section->data)[sym->c];
1462
    if (!(esym->st_other & ST_PE_IMPORT))
1463
        return sv;
1464
 
1465
    // printf("import %04x %04x %04x %s\n", sv->type.t, sym->type.t, sv->r, get_tok_str(sv->sym->v, NULL));
1466
 
1467
    memset(v2, 0, sizeof *v2);
1468
    v2->type.t = VT_PTR;
1469
    v2->r = VT_CONST | VT_SYM | VT_LVAL;
1470
    v2->sym = sv->sym;
1471
 
1472
    r2 = get_reg(RC_INT);
1473
    load(r2, v2);
1474
    v2->r = r2;
1475
 
1476
    if ((uint32_t)sv->c.i) {
1477
        vpushv(v2);
1478
        vpushi(sv->c.i);
1479
        gen_opi('+');
1480
        *v2 = *vtop--;
145 halyavin 1481
    }
6429 siemargl 1482
 
1483
    v2->type.t = sv->type.t;
1484
    v2->r |= sv->r & VT_LVAL;
1485
    return v2;
1486
}
1487
 
1488
ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value)
1489
{
1490
    return add_elf_sym(
1491
        s1->dynsymtab_section,
1492
        value,
1493
        dllindex, /* st_size */
1494
        ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE),
1495
        0,
9305 Coldy 1496
#ifndef TCC_TARGET_KX
1497
        value ? SHN_ABS :
1498
#endif
1499
		SHN_UNDEF,
6429 siemargl 1500
        name
1501
        );
1502
}
1503
 
1504
static int add_dllref(TCCState *s1, const char *dllname)
1505
{
1506
    DLLReference *dllref;
1507
    int i;
1508
    for (i = 0; i < s1->nb_loaded_dlls; ++i)
1509
        if (0 == strcmp(s1->loaded_dlls[i]->name, dllname))
1510
            return i + 1;
1511
    dllref = tcc_mallocz(sizeof(DLLReference) + strlen(dllname));
1512
    strcpy(dllref->name, dllname);
1513
    dynarray_add((void ***) &s1->loaded_dlls, &s1->nb_loaded_dlls, dllref);
1514
    return s1->nb_loaded_dlls;
1515
}
1516
 
1517
/* ------------------------------------------------------------- */
1518
 
1519
static int read_mem(int fd, unsigned offset, void *buffer, unsigned len)
1520
{
1521
    lseek(fd, offset, SEEK_SET);
1522
    return len == read(fd, buffer, len);
1523
}
1524
 
1525
/* -------------------------------------------------------------
1526
 *  This is for compiled windows resources in 'coff' format
1527
 *  as generated by 'windres.exe -O coff ...'.
1528
 */
1529
 
1530
static int pe_load_res(TCCState *s1, int fd)
1531
{
1532
    struct pe_rsrc_header hdr;
1533
    Section *rsrc_section;
1534
    int i, ret = -1;
1535
    BYTE *ptr;
1536
    unsigned offs;
1537
 
1538
    if (!read_mem(fd, 0, &hdr, sizeof hdr))
1539
        goto quit;
1540
 
1541
    if (hdr.filehdr.Machine != IMAGE_FILE_MACHINE
1542
        || hdr.filehdr.NumberOfSections != 1
1543
        || strcmp(hdr.sectionhdr.Name, ".rsrc") != 0)
1544
        goto quit;
1545
 
1546
    rsrc_section = new_section(s1, ".rsrc", SHT_PROGBITS, SHF_ALLOC);
1547
    ptr = section_ptr_add(rsrc_section, hdr.sectionhdr.SizeOfRawData);
1548
    offs = hdr.sectionhdr.PointerToRawData;
1549
    if (!read_mem(fd, offs, ptr, hdr.sectionhdr.SizeOfRawData))
1550
        goto quit;
1551
    offs = hdr.sectionhdr.PointerToRelocations;
1552
    for (i = 0; i < hdr.sectionhdr.NumberOfRelocations; ++i)
1553
    {
1554
        struct pe_rsrc_reloc rel;
1555
        if (!read_mem(fd, offs, &rel, sizeof rel))
1556
            goto quit;
1557
        // printf("rsrc_reloc: %x %x %x\n", rel.offset, rel.size, rel.type);
1558
        if (rel.type != RSRC_RELTYPE)
1559
            goto quit;
1560
        put_elf_reloc(symtab_section, rsrc_section,
1561
            rel.offset, R_XXX_RELATIVE, 0);
1562
        offs += sizeof rel;
1563
    }
1564
    ret = 0;
1565
quit:
145 halyavin 1566
    return ret;
1567
}
1568
 
1569
/* ------------------------------------------------------------- */
9284 Coldy 1570
#if !defined(TCC_TARGET_MEOS) || defined (TCC_TARGET_KX)
6429 siemargl 1571
static int pe_load_def(TCCState *s1, int fd)
145 halyavin 1572
{
9305 Coldy 1573
    int state = 0, ret = -1, dllindex = 0, ord = 0;
6429 siemargl 1574
    char line[400], dllname[80], *p, *x;
1575
    FILE *fp;
145 halyavin 1576
 
9284 Coldy 1577
#ifdef TCC_TARGET_KX
1578
	fp = fopen(file->filename, "rb");
1579
#else
6429 siemargl 1580
    fp = fdopen(dup(fd), "rb");
9284 Coldy 1581
#endif
6429 siemargl 1582
    while (fgets(line, sizeof line, fp))
1583
    {
1584
        p = trimfront(trimback(line, strchr(line, 0)));
1585
        if (0 == *p || ';' == *p)
1586
            continue;
145 halyavin 1587
 
6429 siemargl 1588
        switch (state) {
1589
        case 0:
1590
            if (0 != strnicmp(p, "LIBRARY", 7))
1591
                goto quit;
1592
            pstrcpy(dllname, sizeof dllname, trimfront(p+7));
1593
            ++state;
1594
            continue;
145 halyavin 1595
 
6429 siemargl 1596
        case 1:
9305 Coldy 1597
#ifdef TCC_TARGET_KX
1598
		    {
1599
			      char* p1 = strstr(p, "prefix");
1600
			      if (p1) {
1601
				    p[p1 - p - 1] = 0;
1602
				    ord = -1; // All exports used prefix
1603
			    }
1604
		    }
1605
#endif
6429 siemargl 1606
            if (0 != stricmp(p, "EXPORTS"))
1607
                goto quit;
1608
            ++state;
1609
            continue;
145 halyavin 1610
 
6429 siemargl 1611
        case 2:
1612
            dllindex = add_dllref(s1, dllname);
1613
            ++state;
9305 Coldy 1614
#ifdef TCC_TARGET_KX
1615
			     if (ord == - 1) {
1616
				    char* tmp = strchr(dllname, '.');
1617
				    int n = tmp - dllname;
1618
				    dllname[n] = '_';
1619
				    dllname[n + 1] = 0;
1620
			    }
1621
#endif
6429 siemargl 1622
            /* fall through */
1623
        default:
9305 Coldy 1624
#ifdef TCC_TARGET_KX
1625
			     if ((ord == -1) && p != strstr(p, dllname))
1626
				    tcc_error_noabort("Wrong prefix for %s", p);
1627
#else
6429 siemargl 1628
            /* get ordinal and will store in sym->st_value */
9305 Coldy 1629
            //ord = 0; // ord  is assign in begining of function
6429 siemargl 1630
            x = strchr(p, ' ');
1631
            if (x) {
1632
                *x = 0, x = strrchr(x + 1, '@');
1633
                if (x) {
1634
                    char *d;
1635
                    ord = (int)strtol(x + 1, &d, 10);
1636
                    if (*d)
1637
                        ord = 0;
1638
                }
1639
            }
9305 Coldy 1640
#endif
6429 siemargl 1641
            pe_putimport(s1, dllindex, p, ord);
1642
            continue;
1643
        }
145 halyavin 1644
    }
6429 siemargl 1645
    ret = 0;
1646
quit:
1647
    fclose(fp);
1648
    return ret;
1649
}
1650
#else
1651
static int pe_load_def(TCCState *s1, int fd)
1652
{ return 0; }
1653
#endif
1654
 
1655
/* ------------------------------------------------------------- */
1656
#define TINY_IMPDEF_GET_EXPORT_NAMES_ONLY
1657
#include "win32/tools/tiny_impdef.c"
1658
 
1659
static int pe_load_dll(TCCState *s1, const char *dllname, int fd)
1660
{
1661
    char *p, *q;
1662
    int index;
1663
    p = get_export_names(fd);
1664
    if (!p)
1665
        return -1;
1666
    index = add_dllref(s1, dllname);
1667
    for (q = p; *q; q += 1 + strlen(q))
1668
        pe_putimport(s1, index, q, 0);
1669
    tcc_free(p);
145 halyavin 1670
    return 0;
1671
}
1672
 
1673
/* ------------------------------------------------------------- */
6429 siemargl 1674
ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd)
145 halyavin 1675
{
6429 siemargl 1676
    int ret = -1;
1677
    char buf[10];
1678
    if (0 == strcmp(tcc_fileextension(filename), ".def"))
1679
        ret = pe_load_def(s1, fd);
1680
    else if (pe_load_res(s1, fd) == 0)
1681
        ret = 0;
1682
    else if (read_mem(fd, 0, buf, sizeof buf) && 0 == strncmp(buf, "MZ", 2))
1683
        ret = pe_load_dll(s1, tcc_basename(filename), fd);
1684
    return ret;
145 halyavin 1685
}
1686
 
1687
/* ------------------------------------------------------------- */
6429 siemargl 1688
#ifdef TCC_TARGET_X86_64
1689
static unsigned pe_add_uwwind_info(TCCState *s1)
145 halyavin 1690
{
6429 siemargl 1691
    if (NULL == s1->uw_pdata) {
1692
        s1->uw_pdata = find_section(tcc_state, ".pdata");
1693
        s1->uw_pdata->sh_addralign = 4;
1694
        s1->uw_sym = put_elf_sym(symtab_section, 0, 0, 0, 0, text_section->sh_num, NULL);
1695
    }
1696
 
1697
    if (0 == s1->uw_offs) {
1698
        /* As our functions all have the same stackframe, we use one entry for all */
1699
        static const unsigned char uw_info[] = {
1700
            0x01, // UBYTE: 3 Version , UBYTE: 5 Flags
1701
            0x04, // UBYTE Size of prolog
1702
            0x02, // UBYTE Count of unwind codes
1703
            0x05, // UBYTE: 4 Frame Register (rbp), UBYTE: 4 Frame Register offset (scaled)
1704
            // USHORT * n Unwind codes array
1705
            // 0x0b, 0x01, 0xff, 0xff, // stack size
1706
            0x04, 0x03, // set frame ptr (mov rsp -> rbp)
1707
            0x01, 0x50  // push reg (rbp)
1708
        };
1709
 
1710
        Section *s = text_section;
1711
        unsigned char *p;
1712
 
1713
        section_ptr_add(s, -s->data_offset & 3); /* align */
1714
        s1->uw_offs = s->data_offset;
1715
        p = section_ptr_add(s, sizeof uw_info);
1716
        memcpy(p, uw_info, sizeof uw_info);
1717
    }
1718
 
1719
    return s1->uw_offs;
1720
}
1721
 
1722
ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack)
1723
{
1724
    TCCState *s1 = tcc_state;
1725
    Section *pd;
1726
    unsigned o, n, d;
1727
    struct /* _RUNTIME_FUNCTION */ {
1728
      DWORD BeginAddress;
1729
      DWORD EndAddress;
1730
      DWORD UnwindData;
1731
    } *p;
1732
 
1733
    d = pe_add_uwwind_info(s1);
1734
    pd = s1->uw_pdata;
1735
    o = pd->data_offset;
1736
    p = section_ptr_add(pd, sizeof *p);
1737
 
1738
    /* record this function */
1739
    p->BeginAddress = start;
1740
    p->EndAddress = end;
1741
    p->UnwindData = d;
1742
 
1743
    /* put relocations on it */
1744
    for (n = o + sizeof *p; o < n; o += sizeof p->BeginAddress)
1745
        put_elf_reloc(symtab_section, pd, o,  R_X86_64_RELATIVE, s1->uw_sym);
1746
}
1747
#endif
1748
/* ------------------------------------------------------------- */
1749
#ifdef TCC_TARGET_X86_64
1750
#define PE_STDSYM(n,s) n
1751
#else
1752
#define PE_STDSYM(n,s) "_" n s
1753
#endif
1754
 
1755
static void pe_add_runtime(TCCState *s1, struct pe_info *pe)
1756
{
145 halyavin 1757
    const char *start_symbol;
6429 siemargl 1758
    int pe_type = 0;
145 halyavin 1759
 
6429 siemargl 1760
    if (find_elf_sym(symtab_section, PE_STDSYM("WinMain","@16")))
1761
        pe_type = PE_GUI;
145 halyavin 1762
    else
6429 siemargl 1763
    if (TCC_OUTPUT_DLL == s1->output_type) {
145 halyavin 1764
        pe_type = PE_DLL;
6429 siemargl 1765
        /* need this for 'tccelf.c:relocate_section()' */
145 halyavin 1766
        s1->output_type = TCC_OUTPUT_EXE;
1767
    }
6429 siemargl 1768
    else
1769
        pe_type = PE_EXE;
145 halyavin 1770
 
1771
    start_symbol =
6429 siemargl 1772
        TCC_OUTPUT_MEMORY == s1->output_type
1773
        ? PE_GUI == pe_type ? "__runwinmain" : "_main"
1774
        : PE_DLL == pe_type ? PE_STDSYM("__dllstart","@12")
1775
        : PE_GUI == pe_type ? "__winstart" : "__start"
1776
        ;
145 halyavin 1777
 
6429 siemargl 1778
    if (!s1->leading_underscore || strchr(start_symbol, '@'))
1779
        ++start_symbol;
1780
 
145 halyavin 1781
    /* grab the startup code from libtcc1 */
6429 siemargl 1782
    if (TCC_OUTPUT_MEMORY != s1->output_type || PE_GUI == pe_type)
1783
        add_elf_sym(symtab_section,
1784
            0, 0,
1785
            ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0,
1786
            SHN_UNDEF, start_symbol);
145 halyavin 1787
 
6429 siemargl 1788
    tcc_add_pragma_libs(s1);
1789
 
145 halyavin 1790
    if (0 == s1->nostdlib) {
6429 siemargl 1791
        static const char *libs[] = {
1792
            "tcc1", "msvcrt", "kernel32", "", "user32", "gdi32", NULL
1793
        };
1794
        const char **pp, *p;
1795
        for (pp = libs; 0 != (p = *pp); ++pp) {
1796
            if (0 == *p) {
1797
                if (PE_DLL != pe_type && PE_GUI != pe_type)
1798
                    break;
1799
            } else if (tcc_add_library_err(s1, p) < 0) {
1800
                break;
1801
            }
1802
        }
145 halyavin 1803
    }
1804
 
6429 siemargl 1805
    if (TCC_OUTPUT_MEMORY == s1->output_type) {
1806
        pe_type = PE_RUN;
1807
#ifdef TCC_IS_NATIVE
1808
        s1->runtime_main = start_symbol;
1809
#endif
1810
    } else {
1811
        pe->start_addr = (DWORD)(uintptr_t)tcc_get_symbol_err(s1, start_symbol);
1812
    }
145 halyavin 1813
 
6429 siemargl 1814
    pe->type = pe_type;
145 halyavin 1815
}
1816
 
6429 siemargl 1817
ST_FUNC int pe_output_file(TCCState * s1, const char *filename)
145 halyavin 1818
{
1819
    int ret;
1820
    struct pe_info pe;
1821
    int i;
6429 siemargl 1822
 
145 halyavin 1823
    memset(&pe, 0, sizeof pe);
1824
    pe.filename = filename;
1825
    pe.s1 = s1;
1826
 
6429 siemargl 1827
    pe_add_runtime(s1, &pe);
1828
    tcc_add_bcheck(s1);
1829
    relocate_common_syms(); /* assign bss adresses */
1830
    tcc_add_linker_symbols(s1);
1831
 
145 halyavin 1832
    ret = pe_check_symbols(&pe);
6429 siemargl 1833
    if (ret)
1834
        ;
1835
    else if (filename) {
1836
        if (PE_DLL == pe.type) {
1837
            pe.reloc = new_section(pe.s1, ".reloc", SHT_PROGBITS, 0);
1838
            /* XXX: check if is correct for arm-pe target */
1839
            pe.imagebase = 0x10000000;
1840
        } else {
1841
#if defined(TCC_TARGET_ARM)
1842
            pe.imagebase = 0x00010000;
1843
#else
1844
            pe.imagebase = 0x00400000;
1845
#endif
1846
        }
1847
 
1848
#if defined(TCC_TARGET_ARM)
1849
        /* we use "console" subsystem by default */
1850
        pe.subsystem = 9;
1851
#else
1852
        if (PE_DLL == pe.type || PE_GUI == pe.type)
1853
            pe.subsystem = 2;
1854
        else
1855
            pe.subsystem = 3;
1856
#endif
1857
        /* Allow override via -Wl,-subsystem=... option */
1858
        if (s1->pe_subsystem != 0)
1859
            pe.subsystem = s1->pe_subsystem;
1860
 
1861
        /* set default file/section alignment */
1862
	if (pe.subsystem == 1) {
1863
	    pe.section_align = 0x20;
1864
	    pe.file_align = 0x20;
1865
	} else {
1866
	    pe.section_align = 0x1000;
1867
	    pe.file_align = 0x200;
145 halyavin 1868
	}
6429 siemargl 1869
 
1870
        if (s1->section_align != 0)
1871
            pe.section_align = s1->section_align;
1872
        if (s1->pe_file_align != 0)
1873
            pe.file_align = s1->pe_file_align;
1874
 
1875
        if ((pe.subsystem >= 10) && (pe.subsystem <= 12))
1876
            pe.imagebase = 0;
1877
 
1878
        if (s1->has_text_addr)
1879
            pe.imagebase = s1->text_addr;
1880
 
1881
        pe_assign_addresses(&pe);
1882
        relocate_syms(s1, 0);
1883
        for (i = 1; i < s1->nb_sections; ++i) {
1884
            Section *s = s1->sections[i];
1885
            if (s->reloc) {
1886
                relocate_section(s1, s);
1887
                pe_relocate_rva(&pe, s);
1888
            }
1889
        }
1890
        if (s1->nb_errors)
1891
            ret = -1;
1892
        else
1893
            ret = pe_write(&pe);
1894
        tcc_free(pe.sec_info);
1895
    } else {
1896
#ifdef TCC_IS_NATIVE
1897
        pe.thunk = data_section;
1898
        pe_build_imports(&pe);
1899
#endif
145 halyavin 1900
    }
6429 siemargl 1901
 
145 halyavin 1902
#ifdef PE_PRINT_SECTIONS
6429 siemargl 1903
    pe_print_sections(s1, "tcc.log");
145 halyavin 1904
#endif
1905
    return ret;
1906
}
1907
 
6429 siemargl 1908
/* ------------------------------------------------------------- */