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push 6c2bed22d4a356b01aae243fbf554b5dba1af534
[wine/hacks.git] / tools / winedump / pe.c
blob077109d28f0a2c3f95b0c223e98cf9c00888ec40
1 /*
2 * PE dumping utility
3 *
4 * Copyright 2001 Eric Pouech
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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <stdlib.h>
25 #include <stdarg.h>
26 #include <stdio.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #include <time.h>
31 #ifdef HAVE_SYS_TYPES_H
32 # include <sys/types.h>
33 #endif
34 #ifdef HAVE_SYS_STAT_H
35 # include <sys/stat.h>
36 #endif
37 #ifdef HAVE_SYS_MMAN_H
38 #include <sys/mman.h>
39 #endif
40 #include <fcntl.h>
41
42 #define NONAMELESSUNION
43 #define NONAMELESSSTRUCT
44 #include "windef.h"
45 #include "winbase.h"
46 #include "winedump.h"
47
48 static const IMAGE_NT_HEADERS32* PE_nt_headers;
49
50 const char *get_machine_str(int mach)
51 {
52 switch (mach)
53 {
54 case IMAGE_FILE_MACHINE_UNKNOWN: return "Unknown";
55 case IMAGE_FILE_MACHINE_I860: return "i860";
56 case IMAGE_FILE_MACHINE_I386: return "i386";
57 case IMAGE_FILE_MACHINE_R3000: return "R3000";
58 case IMAGE_FILE_MACHINE_R4000: return "R4000";
59 case IMAGE_FILE_MACHINE_R10000: return "R10000";
60 case IMAGE_FILE_MACHINE_ALPHA: return "Alpha";
61 case IMAGE_FILE_MACHINE_POWERPC: return "PowerPC";
62 case IMAGE_FILE_MACHINE_AMD64: return "AMD64";
63 case IMAGE_FILE_MACHINE_IA64: return "IA64";
64 }
65 return "???";
66 }
67
68 static const void* RVA(unsigned long rva, unsigned long len)
69 {
70 IMAGE_SECTION_HEADER* sectHead;
71 int i;
72
73 if (rva == 0) return NULL;
74
75 sectHead = IMAGE_FIRST_SECTION(PE_nt_headers);
76 for (i = PE_nt_headers->FileHeader.NumberOfSections - 1; i >= 0; i--)
77 {
78 if (sectHead[i].VirtualAddress <= rva &&
79 rva + len <= (DWORD)sectHead[i].VirtualAddress + sectHead[i].SizeOfRawData)
80 {
81 /* return image import directory offset */
82 return PRD(sectHead[i].PointerToRawData + rva - sectHead[i].VirtualAddress, len);
83 }
84 }
85
86 return NULL;
87 }
88
89 static const IMAGE_NT_HEADERS32 *get_nt_header( void )
90 {
91 const IMAGE_DOS_HEADER *dos;
92 dos = PRD(0, sizeof(*dos));
93 if (!dos) return NULL;
94 return PRD(dos->e_lfanew, sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER));
95 }
96
97 static int is_fake_dll( void )
98 {
99 static const char fakedll_signature[] = "Wine placeholder DLL";
100 const IMAGE_DOS_HEADER *dos;
101
102 dos = PRD(0, sizeof(*dos) + sizeof(fakedll_signature));
103
104 if (dos && dos->e_lfanew >= sizeof(*dos) + sizeof(fakedll_signature) &&
105 !memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) return TRUE;
106 return FALSE;
107 }
108
109 static const void *get_dir_and_size(unsigned int idx, unsigned int *size)
110 {
111 if(PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
112 {
113 const IMAGE_OPTIONAL_HEADER64 *opt = (const IMAGE_OPTIONAL_HEADER64*)&PE_nt_headers->OptionalHeader;
114 if (idx >= opt->NumberOfRvaAndSizes)
115 return NULL;
116 if(size)
117 *size = opt->DataDirectory[idx].Size;
118 return RVA(opt->DataDirectory[idx].VirtualAddress,
119 opt->DataDirectory[idx].Size);
120 }
121 else
122 {
123 const IMAGE_OPTIONAL_HEADER32 *opt = (const IMAGE_OPTIONAL_HEADER32*)&PE_nt_headers->OptionalHeader;
124 if (idx >= opt->NumberOfRvaAndSizes)
125 return NULL;
126 if(size)
127 *size = opt->DataDirectory[idx].Size;
128 return RVA(opt->DataDirectory[idx].VirtualAddress,
129 opt->DataDirectory[idx].Size);
130 }
131 }
132
133 static const void* get_dir(unsigned idx)
134 {
135 return get_dir_and_size(idx, 0);
136 }
137
138 static const char * const DirectoryNames[16] = {
139 "EXPORT", "IMPORT", "RESOURCE", "EXCEPTION",
140 "SECURITY", "BASERELOC", "DEBUG", "ARCHITECTURE",
141 "GLOBALPTR", "TLS", "LOAD_CONFIG", "Bound IAT",
142 "IAT", "Delay IAT", "CLR Header", ""
143 };
144
145 static const char *get_magic_type(WORD magic)
146 {
147 switch(magic) {
148 case IMAGE_NT_OPTIONAL_HDR32_MAGIC:
149 return "32bit";
150 case IMAGE_NT_OPTIONAL_HDR64_MAGIC:
151 return "64bit";
152 case IMAGE_ROM_OPTIONAL_HDR_MAGIC:
153 return "ROM";
154 }
155 return "???";
156 }
157
158 static inline void print_word(const char *title, WORD value)
159 {
160 printf(" %-34s 0x%-4X %u\n", title, value, value);
161 }
162
163 static inline void print_dword(const char *title, DWORD value)
164 {
165 printf(" %-34s 0x%-8x %u\n", title, value, value);
166 }
167
168 static inline void print_longlong(const char *title, ULONGLONG value)
169 {
170 printf(" %-34s 0x", title);
171 if(value >> 32)
172 printf("%lx%08lx\n", (unsigned long)(value >> 32), (unsigned long)value);
173 else
174 printf("%lx\n", (unsigned long)value);
175 }
176
177 static inline void print_ver(const char *title, BYTE major, BYTE minor)
178 {
179 printf(" %-34s %u.%02u\n", title, major, minor);
180 }
181
182 static inline void print_subsys(const char *title, WORD value)
183 {
184 const char *str;
185 switch (value)
186 {
187 default:
188 case IMAGE_SUBSYSTEM_UNKNOWN: str = "Unknown"; break;
189 case IMAGE_SUBSYSTEM_NATIVE: str = "Native"; break;
190 case IMAGE_SUBSYSTEM_WINDOWS_GUI: str = "Windows GUI"; break;
191 case IMAGE_SUBSYSTEM_WINDOWS_CUI: str = "Windows CUI"; break;
192 case IMAGE_SUBSYSTEM_OS2_CUI: str = "OS/2 CUI"; break;
193 case IMAGE_SUBSYSTEM_POSIX_CUI: str = "Posix CUI"; break;
194 }
195 printf(" %-34s 0x%X (%s)\n", title, value, str);
196 }
197
198 static inline void print_dllflags(const char *title, WORD value)
199 {
200 printf(" %-34s 0x%X\n", title, value);
201 #define X(f,s) if (value & f) printf(" %s\n", s)
202 X(IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE, "DYNAMIC_BASE");
203 X(IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY, "FORCE_INTEGRITY");
204 X(IMAGE_DLLCHARACTERISTICS_NX_COMPAT, "NX_COMPAT");
205 X(IMAGE_DLLCHARACTERISTICS_NO_ISOLATION, "NO_ISOLATION");
206 X(IMAGE_DLLCHARACTERISTICS_NO_SEH, "NO_SEH");
207 X(IMAGE_DLLCHARACTERISTICS_NO_BIND, "NO_BIND");
208 X(IMAGE_DLLCHARACTERISTICS_WDM_DRIVER, "WDM_DRIVER");
209 X(IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE, "TERMINAL_SERVER_AWARE");
210 #undef X
211 }
212
213 static inline void print_datadirectory(DWORD n, const IMAGE_DATA_DIRECTORY *directory)
214 {
215 unsigned i;
216 printf("Data Directory\n");
217
218 for (i = 0; i < n && i < 16; i++)
219 {
220 printf(" %-12s rva: 0x%-8x size: 0x%-8x\n",
221 DirectoryNames[i], directory[i].VirtualAddress,
222 directory[i].Size);
223 }
224 }
225
226 static void dump_optional_header32(const IMAGE_OPTIONAL_HEADER32 *image_oh, UINT header_size)
227 {
228 IMAGE_OPTIONAL_HEADER32 oh;
229 const IMAGE_OPTIONAL_HEADER32 *optionalHeader;
230
231 /* in case optional header is missing or partial */
232 memset(&oh, 0, sizeof(oh));
233 memcpy(&oh, image_oh, min(header_size, sizeof(oh)));
234 optionalHeader = &oh;
235
236 print_word("Magic", optionalHeader->Magic);
237 print_ver("linker version",
238 optionalHeader->MajorLinkerVersion, optionalHeader->MinorLinkerVersion);
239 print_dword("size of code", optionalHeader->SizeOfCode);
240 print_dword("size of initialized data", optionalHeader->SizeOfInitializedData);
241 print_dword("size of uninitialized data", optionalHeader->SizeOfUninitializedData);
242 print_dword("entrypoint RVA", optionalHeader->AddressOfEntryPoint);
243 print_dword("base of code", optionalHeader->BaseOfCode);
244 print_dword("base of data", optionalHeader->BaseOfData);
245 print_dword("image base", optionalHeader->ImageBase);
246 print_dword("section align", optionalHeader->SectionAlignment);
247 print_dword("file align", optionalHeader->FileAlignment);
248 print_ver("required OS version",
249 optionalHeader->MajorOperatingSystemVersion, optionalHeader->MinorOperatingSystemVersion);
250 print_ver("image version",
251 optionalHeader->MajorImageVersion, optionalHeader->MinorImageVersion);
252 print_ver("subsystem version",
253 optionalHeader->MajorSubsystemVersion, optionalHeader->MinorSubsystemVersion);
254 print_dword("Win32 Version", optionalHeader->Win32VersionValue);
255 print_dword("size of image", optionalHeader->SizeOfImage);
256 print_dword("size of headers", optionalHeader->SizeOfHeaders);
257 print_dword("checksum", optionalHeader->CheckSum);
258 print_subsys("Subsystem", optionalHeader->Subsystem);
259 print_dllflags("DLL characteristics:", optionalHeader->DllCharacteristics);
260 print_dword("stack reserve size", optionalHeader->SizeOfStackReserve);
261 print_dword("stack commit size", optionalHeader->SizeOfStackCommit);
262 print_dword("heap reserve size", optionalHeader->SizeOfHeapReserve);
263 print_dword("heap commit size", optionalHeader->SizeOfHeapCommit);
264 print_dword("loader flags", optionalHeader->LoaderFlags);
265 print_dword("RVAs & sizes", optionalHeader->NumberOfRvaAndSizes);
266 printf("\n");
267 print_datadirectory(optionalHeader->NumberOfRvaAndSizes, optionalHeader->DataDirectory);
268 printf("\n");
269 }
270
271 static void dump_optional_header64(const IMAGE_OPTIONAL_HEADER64 *image_oh, UINT header_size)
272 {
273 IMAGE_OPTIONAL_HEADER64 oh;
274 const IMAGE_OPTIONAL_HEADER64 *optionalHeader;
275
276 /* in case optional header is missing or partial */
277 memset(&oh, 0, sizeof(oh));
278 memcpy(&oh, image_oh, min(header_size, sizeof(oh)));
279 optionalHeader = &oh;
280
281 print_word("Magic", optionalHeader->Magic);
282 print_ver("linker version",
283 optionalHeader->MajorLinkerVersion, optionalHeader->MinorLinkerVersion);
284 print_dword("size of code", optionalHeader->SizeOfCode);
285 print_dword("size of initialized data", optionalHeader->SizeOfInitializedData);
286 print_dword("size of uninitialized data", optionalHeader->SizeOfUninitializedData);
287 print_dword("entrypoint RVA", optionalHeader->AddressOfEntryPoint);
288 print_dword("base of code", optionalHeader->BaseOfCode);
289 print_longlong("image base", optionalHeader->ImageBase);
290 print_dword("section align", optionalHeader->SectionAlignment);
291 print_dword("file align", optionalHeader->FileAlignment);
292 print_ver("required OS version",
293 optionalHeader->MajorOperatingSystemVersion, optionalHeader->MinorOperatingSystemVersion);
294 print_ver("image version",
295 optionalHeader->MajorImageVersion, optionalHeader->MinorImageVersion);
296 print_ver("subsystem version",
297 optionalHeader->MajorSubsystemVersion, optionalHeader->MinorSubsystemVersion);
298 print_dword("Win32 Version", optionalHeader->Win32VersionValue);
299 print_dword("size of image", optionalHeader->SizeOfImage);
300 print_dword("size of headers", optionalHeader->SizeOfHeaders);
301 print_dword("checksum", optionalHeader->CheckSum);
302 print_subsys("Subsystem", optionalHeader->Subsystem);
303 print_dllflags("DLL characteristics:", optionalHeader->DllCharacteristics);
304 print_longlong("stack reserve size", optionalHeader->SizeOfStackReserve);
305 print_longlong("stack commit size", optionalHeader->SizeOfStackCommit);
306 print_longlong("heap reserve size", optionalHeader->SizeOfHeapReserve);
307 print_longlong("heap commit size", optionalHeader->SizeOfHeapCommit);
308 print_dword("loader flags", optionalHeader->LoaderFlags);
309 print_dword("RVAs & sizes", optionalHeader->NumberOfRvaAndSizes);
310 printf("\n");
311 print_datadirectory(optionalHeader->NumberOfRvaAndSizes, optionalHeader->DataDirectory);
312 printf("\n");
313 }
314
315 void dump_optional_header(const IMAGE_OPTIONAL_HEADER32 *optionalHeader, UINT header_size)
316 {
317 printf("Optional Header (%s)\n", get_magic_type(optionalHeader->Magic));
318
319 switch(optionalHeader->Magic) {
320 case IMAGE_NT_OPTIONAL_HDR32_MAGIC:
321 dump_optional_header32(optionalHeader, header_size);
322 break;
323 case IMAGE_NT_OPTIONAL_HDR64_MAGIC:
324 dump_optional_header64((const IMAGE_OPTIONAL_HEADER64 *)optionalHeader, header_size);
325 break;
326 default:
327 printf(" Unknown optional header magic: 0x%-4X\n", optionalHeader->Magic);
328 break;
329 }
330 }
331
332 void dump_file_header(const IMAGE_FILE_HEADER *fileHeader)
333 {
334 printf("File Header\n");
335
336 printf(" Machine: %04X (%s)\n",
337 fileHeader->Machine, get_machine_str(fileHeader->Machine));
338 printf(" Number of Sections: %d\n", fileHeader->NumberOfSections);
339 printf(" TimeDateStamp: %08X (%s) offset %lu\n",
340 fileHeader->TimeDateStamp, get_time_str(fileHeader->TimeDateStamp),
341 Offset(&(fileHeader->TimeDateStamp)));
342 printf(" PointerToSymbolTable: %08X\n", fileHeader->PointerToSymbolTable);
343 printf(" NumberOfSymbols: %08X\n", fileHeader->NumberOfSymbols);
344 printf(" SizeOfOptionalHeader: %04X\n", fileHeader->SizeOfOptionalHeader);
345 printf(" Characteristics: %04X\n", fileHeader->Characteristics);
346 #define X(f,s) if (fileHeader->Characteristics & f) printf(" %s\n", s)
347 X(IMAGE_FILE_RELOCS_STRIPPED, "RELOCS_STRIPPED");
348 X(IMAGE_FILE_EXECUTABLE_IMAGE, "EXECUTABLE_IMAGE");
349 X(IMAGE_FILE_LINE_NUMS_STRIPPED, "LINE_NUMS_STRIPPED");
350 X(IMAGE_FILE_LOCAL_SYMS_STRIPPED, "LOCAL_SYMS_STRIPPED");
351 X(IMAGE_FILE_AGGRESIVE_WS_TRIM, "AGGRESIVE_WS_TRIM");
352 X(IMAGE_FILE_LARGE_ADDRESS_AWARE, "LARGE_ADDRESS_AWARE");
353 X(IMAGE_FILE_16BIT_MACHINE, "16BIT_MACHINE");
354 X(IMAGE_FILE_BYTES_REVERSED_LO, "BYTES_REVERSED_LO");
355 X(IMAGE_FILE_32BIT_MACHINE, "32BIT_MACHINE");
356 X(IMAGE_FILE_DEBUG_STRIPPED, "DEBUG_STRIPPED");
357 X(IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP, "REMOVABLE_RUN_FROM_SWAP");
358 X(IMAGE_FILE_NET_RUN_FROM_SWAP, "NET_RUN_FROM_SWAP");
359 X(IMAGE_FILE_SYSTEM, "SYSTEM");
360 X(IMAGE_FILE_DLL, "DLL");
361 X(IMAGE_FILE_UP_SYSTEM_ONLY, "UP_SYSTEM_ONLY");
362 X(IMAGE_FILE_BYTES_REVERSED_HI, "BYTES_REVERSED_HI");
363 #undef X
364 printf("\n");
365 }
366
367 static void dump_pe_header(void)
368 {
369 dump_file_header(&PE_nt_headers->FileHeader);
370 dump_optional_header((const IMAGE_OPTIONAL_HEADER32*)&PE_nt_headers->OptionalHeader, PE_nt_headers->FileHeader.SizeOfOptionalHeader);
371 }
372
373 void dump_section(const IMAGE_SECTION_HEADER *sectHead)
374 {
375 printf(" %-8.8s VirtSize: 0x%08x VirtAddr: 0x%08x\n",
376 sectHead->Name, sectHead->Misc.VirtualSize, sectHead->VirtualAddress);
377 printf(" raw data offs: 0x%08x raw data size: 0x%08x\n",
378 sectHead->PointerToRawData, sectHead->SizeOfRawData);
379 printf(" relocation offs: 0x%08x relocations: 0x%08x\n",
380 sectHead->PointerToRelocations, sectHead->NumberOfRelocations);
381 printf(" line # offs: %-8u line #'s: %-8u\n",
382 sectHead->PointerToLinenumbers, sectHead->NumberOfLinenumbers);
383 printf(" characteristics: 0x%08x\n", sectHead->Characteristics);
384 printf(" ");
385 #define X(b,s) if (sectHead->Characteristics & b) printf(" " s)
386 /* #define IMAGE_SCN_TYPE_REG 0x00000000 - Reserved */
387 /* #define IMAGE_SCN_TYPE_DSECT 0x00000001 - Reserved */
388 /* #define IMAGE_SCN_TYPE_NOLOAD 0x00000002 - Reserved */
389 /* #define IMAGE_SCN_TYPE_GROUP 0x00000004 - Reserved */
390 /* #define IMAGE_SCN_TYPE_NO_PAD 0x00000008 - Reserved */
391 /* #define IMAGE_SCN_TYPE_COPY 0x00000010 - Reserved */
392
393 X(IMAGE_SCN_CNT_CODE, "CODE");
394 X(IMAGE_SCN_CNT_INITIALIZED_DATA, "INITIALIZED_DATA");
395 X(IMAGE_SCN_CNT_UNINITIALIZED_DATA, "UNINITIALIZED_DATA");
396
397 X(IMAGE_SCN_LNK_OTHER, "LNK_OTHER");
398 X(IMAGE_SCN_LNK_INFO, "LNK_INFO");
399 /* #define IMAGE_SCN_TYPE_OVER 0x00000400 - Reserved */
400 X(IMAGE_SCN_LNK_REMOVE, "LNK_REMOVE");
401 X(IMAGE_SCN_LNK_COMDAT, "LNK_COMDAT");
402
403 /* 0x00002000 - Reserved */
404 /* #define IMAGE_SCN_MEM_PROTECTED 0x00004000 - Obsolete */
405 X(IMAGE_SCN_MEM_FARDATA, "MEM_FARDATA");
406
407 /* #define IMAGE_SCN_MEM_SYSHEAP 0x00010000 - Obsolete */
408 X(IMAGE_SCN_MEM_PURGEABLE, "MEM_PURGEABLE");
409 X(IMAGE_SCN_MEM_16BIT, "MEM_16BIT");
410 X(IMAGE_SCN_MEM_LOCKED, "MEM_LOCKED");
411 X(IMAGE_SCN_MEM_PRELOAD, "MEM_PRELOAD");
412
413 switch (sectHead->Characteristics & IMAGE_SCN_ALIGN_MASK)
414 {
415 #define X2(b,s) case b: printf(" " s); break
416 X2(IMAGE_SCN_ALIGN_1BYTES, "ALIGN_1BYTES");
417 X2(IMAGE_SCN_ALIGN_2BYTES, "ALIGN_2BYTES");
418 X2(IMAGE_SCN_ALIGN_4BYTES, "ALIGN_4BYTES");
419 X2(IMAGE_SCN_ALIGN_8BYTES, "ALIGN_8BYTES");
420 X2(IMAGE_SCN_ALIGN_16BYTES, "ALIGN_16BYTES");
421 X2(IMAGE_SCN_ALIGN_32BYTES, "ALIGN_32BYTES");
422 X2(IMAGE_SCN_ALIGN_64BYTES, "ALIGN_64BYTES");
423 X2(IMAGE_SCN_ALIGN_128BYTES, "ALIGN_128BYTES");
424 X2(IMAGE_SCN_ALIGN_256BYTES, "ALIGN_256BYTES");
425 X2(IMAGE_SCN_ALIGN_512BYTES, "ALIGN_512BYTES");
426 X2(IMAGE_SCN_ALIGN_1024BYTES, "ALIGN_1024BYTES");
427 X2(IMAGE_SCN_ALIGN_2048BYTES, "ALIGN_2048BYTES");
428 X2(IMAGE_SCN_ALIGN_4096BYTES, "ALIGN_4096BYTES");
429 X2(IMAGE_SCN_ALIGN_8192BYTES, "ALIGN_8192BYTES");
430 #undef X2
431 }
432
433 X(IMAGE_SCN_LNK_NRELOC_OVFL, "LNK_NRELOC_OVFL");
434
435 X(IMAGE_SCN_MEM_DISCARDABLE, "MEM_DISCARDABLE");
436 X(IMAGE_SCN_MEM_NOT_CACHED, "MEM_NOT_CACHED");
437 X(IMAGE_SCN_MEM_NOT_PAGED, "MEM_NOT_PAGED");
438 X(IMAGE_SCN_MEM_SHARED, "MEM_SHARED");
439 X(IMAGE_SCN_MEM_EXECUTE, "MEM_EXECUTE");
440 X(IMAGE_SCN_MEM_READ, "MEM_READ");
441 X(IMAGE_SCN_MEM_WRITE, "MEM_WRITE");
442 #undef X
443 printf("\n\n");
444 }
445
446 static void dump_sections(const void *base, const void* addr, unsigned num_sect)
447 {
448 const IMAGE_SECTION_HEADER* sectHead = addr;
449 unsigned i;
450
451 printf("Section Table\n");
452 for (i = 0; i < num_sect; i++, sectHead++)
453 {
454 dump_section(sectHead);
455
456 if (globals.do_dump_rawdata)
457 {
458 dump_data((const unsigned char *)base + sectHead->PointerToRawData, sectHead->SizeOfRawData, " " );
459 printf("\n");
460 }
461 }
462 }
463
464 static void dump_dir_exported_functions(void)
465 {
466 unsigned int size = 0;
467 const IMAGE_EXPORT_DIRECTORY*exportDir = get_dir_and_size(IMAGE_FILE_EXPORT_DIRECTORY, &size);
468 unsigned int i;
469 const DWORD* pFunc;
470 const DWORD* pName;
471 const WORD* pOrdl;
472 DWORD* funcs;
473
474 if (!exportDir) return;
475
476 printf("Exports table:\n");
477 printf("\n");
478 printf(" Name: %s\n", (const char*)RVA(exportDir->Name, sizeof(DWORD)));
479 printf(" Characteristics: %08x\n", exportDir->Characteristics);
480 printf(" TimeDateStamp: %08X %s\n",
481 exportDir->TimeDateStamp, get_time_str(exportDir->TimeDateStamp));
482 printf(" Version: %u.%02u\n", exportDir->MajorVersion, exportDir->MinorVersion);
483 printf(" Ordinal base: %u\n", exportDir->Base);
484 printf(" # of functions: %u\n", exportDir->NumberOfFunctions);
485 printf(" # of Names: %u\n", exportDir->NumberOfNames);
486 printf("Addresses of functions: %08X\n", exportDir->AddressOfFunctions);
487 printf("Addresses of name ordinals: %08X\n", exportDir->AddressOfNameOrdinals);
488 printf("Addresses of names: %08X\n", exportDir->AddressOfNames);
489 printf("\n");
490 printf(" Entry Pt Ordn Name\n");
491
492 pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
493 if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
494 pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD));
495 pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD));
496
497 funcs = calloc( exportDir->NumberOfFunctions, sizeof(*funcs) );
498 if (!funcs) fatal("no memory");
499
500 for (i = 0; i < exportDir->NumberOfNames; i++) funcs[pOrdl[i]] = pName[i];
501
502 for (i = 0; i < exportDir->NumberOfFunctions; i++)
503 {
504 if (!pFunc[i]) continue;
505 printf(" %08X %5u ", pFunc[i], exportDir->Base + i);
506 if (funcs[i])
507 printf("%s", get_symbol_str((const char*)RVA(funcs[i], sizeof(DWORD))));
508 else
509 printf("<by ordinal>");
510
511 /* check for forwarded function */
512 if ((const char *)RVA(pFunc[i],1) >= (const char *)exportDir &&
513 (const char *)RVA(pFunc[i],1) < (const char *)exportDir + size)
514 printf(" (-> %s)", (const char *)RVA(pFunc[i],1));
515 printf("\n");
516 }
517 free(funcs);
518 printf("\n");
519 }
520
521
522 struct runtime_function
523 {
524 DWORD BeginAddress;
525 DWORD EndAddress;
526 DWORD UnwindData;
527 };
528
529 union handler_data
530 {
531 struct runtime_function chain;
532 DWORD handler;
533 };
534
535 struct opcode
536 {
537 BYTE offset;
538 BYTE code : 4;
539 BYTE info : 4;
540 };
541
542 struct unwind_info
543 {
544 BYTE version : 3;
545 BYTE flags : 5;
546 BYTE prolog;
547 BYTE count;
548 BYTE frame_reg : 4;
549 BYTE frame_offset : 4;
550 struct opcode opcodes[1]; /* count entries */
551 /* followed by union handler_data */
552 };
553
554 #define UWOP_PUSH_NONVOL 0
555 #define UWOP_ALLOC_LARGE 1
556 #define UWOP_ALLOC_SMALL 2
557 #define UWOP_SET_FPREG 3
558 #define UWOP_SAVE_NONVOL 4
559 #define UWOP_SAVE_NONVOL_FAR 5
560 #define UWOP_SAVE_XMM128 8
561 #define UWOP_SAVE_XMM128_FAR 9
562 #define UWOP_PUSH_MACHFRAME 10
563
564 #define UNW_FLAG_EHANDLER 1
565 #define UNW_FLAG_UHANDLER 2
566 #define UNW_FLAG_CHAININFO 4
567
568 static void dump_x86_64_unwind_info( const struct runtime_function *function )
569 {
570 static const char * const reg_names[16] =
571 { "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
572 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" };
573
574 union handler_data *handler_data;
575 const struct unwind_info *info;
576 unsigned int i, count;
577
578 printf( "\nFunction %08x-%08x:\n", function->BeginAddress, function->EndAddress );
579 if (function->UnwindData & 1)
580 {
581 const struct runtime_function *next = RVA( function->UnwindData & ~1, sizeof(*next) );
582 printf( " -> function %08x-%08x\n", next->BeginAddress, next->EndAddress );
583 return;
584 }
585 info = RVA( function->UnwindData, sizeof(*info) );
586
587 printf( " unwind info at %08x\n", function->UnwindData );
588 if (info->version != 1)
589 {
590 printf( " *** unknown version %u\n", info->version );
591 return;
592 }
593 printf( " flags %x", info->flags );
594 if (info->flags & UNW_FLAG_EHANDLER) printf( " EHANDLER" );
595 if (info->flags & UNW_FLAG_UHANDLER) printf( " UHANDLER" );
596 if (info->flags & UNW_FLAG_CHAININFO) printf( " CHAININFO" );
597 printf( "\n prolog 0x%x bytes\n", info->prolog );
598
599 if (info->frame_reg)
600 printf( " frame register %s offset 0x%x(%%rsp)\n",
601 reg_names[info->frame_reg], info->frame_offset * 16 );
602
603 for (i = 0; i < info->count; i++)
604 {
605 printf( " 0x%02x: ", info->opcodes[i].offset );
606 switch (info->opcodes[i].code)
607 {
608 case UWOP_PUSH_NONVOL:
609 printf( "push %%%s\n", reg_names[info->opcodes[i].info] );
610 break;
611 case UWOP_ALLOC_LARGE:
612 if (info->opcodes[i].info)
613 {
614 count = *(DWORD *)&info->opcodes[i+1];
615 i += 2;
616 }
617 else
618 {
619 count = *(USHORT *)&info->opcodes[i+1] * 8;
620 i++;
621 }
622 printf( "sub $0x%x,%%rsp\n", count );
623 break;
624 case UWOP_ALLOC_SMALL:
625 count = (info->opcodes[i].info + 1) * 8;
626 printf( "sub $0x%x,%%rsp\n", count );
627 break;
628 case UWOP_SET_FPREG:
629 printf( "lea 0x%x(%%rsp),%s\n",
630 info->frame_offset * 16, reg_names[info->frame_reg] );
631 break;
632 case UWOP_SAVE_NONVOL:
633 count = *(USHORT *)&info->opcodes[i+1] * 8;
634 printf( "mov %%%s,0x%x(%%rsp)\n", reg_names[info->opcodes[i].info], count );
635 i++;
636 break;
637 case UWOP_SAVE_NONVOL_FAR:
638 count = *(DWORD *)&info->opcodes[i+1];
639 printf( "mov %%%s,0x%x(%%rsp)\n", reg_names[info->opcodes[i].info], count );
640 i += 2;
641 break;
642 case UWOP_SAVE_XMM128:
643 count = *(USHORT *)&info->opcodes[i+1] * 16;
644 printf( "movaps %%xmm%u,0x%x(%%rsp)\n", info->opcodes[i].info, count );
645 i++;
646 break;
647 case UWOP_SAVE_XMM128_FAR:
648 count = *(DWORD *)&info->opcodes[i+1];
649 printf( "movaps %%xmm%u,0x%x(%%rsp)\n", info->opcodes[i].info, count );
650 i += 2;
651 break;
652 case UWOP_PUSH_MACHFRAME:
653 printf( "PUSH_MACHFRAME %u\n", info->opcodes[i].info );
654 break;
655 default:
656 printf( "*** unknown code %u\n", info->opcodes[i].code );
657 break;
658 }
659 }
660
661 handler_data = (union handler_data *)&info->opcodes[(info->count + 1) & ~1];
662 if (info->flags & UNW_FLAG_CHAININFO)
663 {
664 printf( " -> function %08x-%08x\n",
665 handler_data->chain.BeginAddress, handler_data->chain.EndAddress );
666 return;
667 }
668 if (info->flags & (UNW_FLAG_EHANDLER | UNW_FLAG_UHANDLER))
669 printf( " handler %08x data at %08x\n", handler_data->handler,
670 (ULONG)(function->UnwindData + (char *)(&handler_data->handler + 1) - (char *)info ));
671 }
672
673 static void dump_dir_exceptions(void)
674 {
675 unsigned int i, size = 0;
676 const struct runtime_function *funcs = get_dir_and_size(IMAGE_FILE_EXCEPTION_DIRECTORY, &size);
677 const IMAGE_FILE_HEADER *file_header = &PE_nt_headers->FileHeader;
678
679 if (!funcs) return;
680
681 if (file_header->Machine == IMAGE_FILE_MACHINE_AMD64)
682 {
683 size /= sizeof(*funcs);
684 printf( "Exception info (%u functions):\n", size );
685 for (i = 0; i < size; i++) dump_x86_64_unwind_info( funcs + i );
686 }
687 else printf( "Exception information not supported for %s binaries\n",
688 get_machine_str(file_header->Machine));
689 }
690
691
692 static void dump_image_thunk_data64(const IMAGE_THUNK_DATA64 *il)
693 {
694 /* FIXME: This does not properly handle large images */
695 const IMAGE_IMPORT_BY_NAME* iibn;
696 for (; il->u1.Ordinal; il++)
697 {
698 if (IMAGE_SNAP_BY_ORDINAL64(il->u1.Ordinal))
699 printf(" %4u <by ordinal>\n", (DWORD)IMAGE_ORDINAL64(il->u1.Ordinal));
700 else
701 {
702 iibn = RVA((DWORD)il->u1.AddressOfData, sizeof(DWORD));
703 if (!iibn)
704 printf("Can't grab import by name info, skipping to next ordinal\n");
705 else
706 printf(" %4u %s %x\n", iibn->Hint, iibn->Name, (DWORD)il->u1.AddressOfData);
707 }
708 }
709 }
710
711 static void dump_image_thunk_data32(const IMAGE_THUNK_DATA32 *il, int offset)
712 {
713 const IMAGE_IMPORT_BY_NAME* iibn;
714 for (; il->u1.Ordinal; il++)
715 {
716 if (IMAGE_SNAP_BY_ORDINAL32(il->u1.Ordinal))
717 printf(" %4u <by ordinal>\n", IMAGE_ORDINAL32(il->u1.Ordinal));
718 else
719 {
720 iibn = RVA((DWORD)il->u1.AddressOfData - offset, sizeof(DWORD));
721 if (!iibn)
722 printf("Can't grab import by name info, skipping to next ordinal\n");
723 else
724 printf(" %4u %s %x\n", iibn->Hint, iibn->Name, (DWORD)il->u1.AddressOfData);
725 }
726 }
727 }
728
729 static void dump_dir_imported_functions(void)
730 {
731 const IMAGE_IMPORT_DESCRIPTOR *importDesc = get_dir(IMAGE_FILE_IMPORT_DIRECTORY);
732 DWORD directorySize;
733
734 if (!importDesc) return;
735 if(PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
736 {
737 const IMAGE_OPTIONAL_HEADER64 *opt = (const IMAGE_OPTIONAL_HEADER64*)&PE_nt_headers->OptionalHeader;
738 directorySize = opt->DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY].Size;
739 }
740 else
741 {
742 const IMAGE_OPTIONAL_HEADER32 *opt = (const IMAGE_OPTIONAL_HEADER32*)&PE_nt_headers->OptionalHeader;
743 directorySize = opt->DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY].Size;
744 }
745
746 printf("Import Table size: %08x\n", directorySize);/* FIXME */
747
748 for (;;)
749 {
750 const IMAGE_THUNK_DATA32* il;
751
752 if (!importDesc->Name || !importDesc->FirstThunk) break;
753
754 printf(" offset %08lx %s\n", Offset(importDesc), (const char*)RVA(importDesc->Name, sizeof(DWORD)));
755 printf(" Hint/Name Table: %08X\n", (DWORD)importDesc->u.OriginalFirstThunk);
756 printf(" TimeDateStamp: %08X (%s)\n",
757 importDesc->TimeDateStamp, get_time_str(importDesc->TimeDateStamp));
758 printf(" ForwarderChain: %08X\n", importDesc->ForwarderChain);
759 printf(" First thunk RVA: %08X\n", (DWORD)importDesc->FirstThunk);
760
761 printf(" Ordn Name\n");
762
763 il = (importDesc->u.OriginalFirstThunk != 0) ?
764 RVA((DWORD)importDesc->u.OriginalFirstThunk, sizeof(DWORD)) :
765 RVA((DWORD)importDesc->FirstThunk, sizeof(DWORD));
766
767 if (!il)
768 printf("Can't grab thunk data, going to next imported DLL\n");
769 else
770 {
771 if(PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
772 dump_image_thunk_data64((const IMAGE_THUNK_DATA64*)il);
773 else
774 dump_image_thunk_data32(il, 0);
775 printf("\n");
776 }
777 importDesc++;
778 }
779 printf("\n");
780 }
781
782 static void dump_dir_delay_imported_functions(void)
783 {
784 const struct ImgDelayDescr
785 {
786 DWORD grAttrs;
787 DWORD szName;
788 DWORD phmod;
789 DWORD pIAT;
790 DWORD pINT;
791 DWORD pBoundIAT;
792 DWORD pUnloadIAT;
793 DWORD dwTimeStamp;
794 } *importDesc = get_dir(IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT);
795 DWORD directorySize;
796
797 if (!importDesc) return;
798 if (PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
799 {
800 const IMAGE_OPTIONAL_HEADER64 *opt = (const IMAGE_OPTIONAL_HEADER64 *)&PE_nt_headers->OptionalHeader;
801 directorySize = opt->DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT].Size;
802 }
803 else
804 {
805 const IMAGE_OPTIONAL_HEADER32 *opt = (const IMAGE_OPTIONAL_HEADER32 *)&PE_nt_headers->OptionalHeader;
806 directorySize = opt->DataDirectory[IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT].Size;
807 }
808
809 printf("Delay Import Table size: %08x\n", directorySize); /* FIXME */
810
811 for (;;)
812 {
813 const IMAGE_THUNK_DATA32* il;
814 int offset = (importDesc->grAttrs & 1) ? 0 : PE_nt_headers->OptionalHeader.ImageBase;
815
816 if (!importDesc->szName || !importDesc->pIAT || !importDesc->pINT) break;
817
818 printf(" grAttrs %08x offset %08lx %s\n", importDesc->grAttrs, Offset(importDesc),
819 (const char *)RVA(importDesc->szName - offset, sizeof(DWORD)));
820 printf(" Hint/Name Table: %08x\n", importDesc->pINT);
821 printf(" TimeDateStamp: %08X (%s)\n",
822 importDesc->dwTimeStamp, get_time_str(importDesc->dwTimeStamp));
823
824 printf(" Ordn Name\n");
825
826 il = RVA(importDesc->pINT - offset, sizeof(DWORD));
827
828 if (!il)
829 printf("Can't grab thunk data, going to next imported DLL\n");
830 else
831 {
832 if (PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
833 dump_image_thunk_data64((const IMAGE_THUNK_DATA64 *)il);
834 else
835 dump_image_thunk_data32(il, offset);
836 printf("\n");
837 }
838 importDesc++;
839 }
840 printf("\n");
841 }
842
843 static void dump_dir_debug_dir(const IMAGE_DEBUG_DIRECTORY* idd, int idx)
844 {
845 const char* str;
846
847 printf("Directory %02u\n", idx + 1);
848 printf(" Characteristics: %08X\n", idd->Characteristics);
849 printf(" TimeDateStamp: %08X %s\n",
850 idd->TimeDateStamp, get_time_str(idd->TimeDateStamp));
851 printf(" Version %u.%02u\n", idd->MajorVersion, idd->MinorVersion);
852 switch (idd->Type)
853 {
854 default:
855 case IMAGE_DEBUG_TYPE_UNKNOWN: str = "UNKNOWN"; break;
856 case IMAGE_DEBUG_TYPE_COFF: str = "COFF"; break;
857 case IMAGE_DEBUG_TYPE_CODEVIEW: str = "CODEVIEW"; break;
858 case IMAGE_DEBUG_TYPE_FPO: str = "FPO"; break;
859 case IMAGE_DEBUG_TYPE_MISC: str = "MISC"; break;
860 case IMAGE_DEBUG_TYPE_EXCEPTION: str = "EXCEPTION"; break;
861 case IMAGE_DEBUG_TYPE_FIXUP: str = "FIXUP"; break;
862 case IMAGE_DEBUG_TYPE_OMAP_TO_SRC: str = "OMAP_TO_SRC"; break;
863 case IMAGE_DEBUG_TYPE_OMAP_FROM_SRC:str = "OMAP_FROM_SRC"; break;
864 case IMAGE_DEBUG_TYPE_BORLAND: str = "BORLAND"; break;
865 case IMAGE_DEBUG_TYPE_RESERVED10: str = "RESERVED10"; break;
866 }
867 printf(" Type: %u (%s)\n", idd->Type, str);
868 printf(" SizeOfData: %u\n", idd->SizeOfData);
869 printf(" AddressOfRawData: %08X\n", idd->AddressOfRawData);
870 printf(" PointerToRawData: %08X\n", idd->PointerToRawData);
871
872 switch (idd->Type)
873 {
874 case IMAGE_DEBUG_TYPE_UNKNOWN:
875 break;
876 case IMAGE_DEBUG_TYPE_COFF:
877 dump_coff(idd->PointerToRawData, idd->SizeOfData,
878 (const char*)PE_nt_headers + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + PE_nt_headers->FileHeader.SizeOfOptionalHeader);
879 break;
880 case IMAGE_DEBUG_TYPE_CODEVIEW:
881 dump_codeview(idd->PointerToRawData, idd->SizeOfData);
882 break;
883 case IMAGE_DEBUG_TYPE_FPO:
884 dump_frame_pointer_omission(idd->PointerToRawData, idd->SizeOfData);
885 break;
886 case IMAGE_DEBUG_TYPE_MISC:
887 {
888 const IMAGE_DEBUG_MISC* misc = PRD(idd->PointerToRawData, idd->SizeOfData);
889 if (!misc) {printf("Can't get misc debug information\n"); break;}
890 printf(" DataType: %u (%s)\n",
891 misc->DataType,
892 (misc->DataType == IMAGE_DEBUG_MISC_EXENAME) ? "Exe name" : "Unknown");
893 printf(" Length: %u\n", misc->Length);
894 printf(" Unicode: %s\n", misc->Unicode ? "Yes" : "No");
895 printf(" Data: %s\n", misc->Data);
896 }
897 break;
898 case IMAGE_DEBUG_TYPE_EXCEPTION:
899 break;
900 case IMAGE_DEBUG_TYPE_FIXUP:
901 break;
902 case IMAGE_DEBUG_TYPE_OMAP_TO_SRC:
903 break;
904 case IMAGE_DEBUG_TYPE_OMAP_FROM_SRC:
905 break;
906 case IMAGE_DEBUG_TYPE_BORLAND:
907 break;
908 case IMAGE_DEBUG_TYPE_RESERVED10:
909 break;
910 }
911 printf("\n");
912 }
913
914 static void dump_dir_debug(void)
915 {
916 const IMAGE_DEBUG_DIRECTORY*debugDir = get_dir(IMAGE_FILE_DEBUG_DIRECTORY);
917 unsigned nb_dbg, i;
918
919 if (!debugDir) return;
920 nb_dbg = PE_nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_DEBUG_DIRECTORY].Size /
921 sizeof(*debugDir);
922 if (!nb_dbg) return;
923
924 printf("Debug Table (%u directories)\n", nb_dbg);
925
926 for (i = 0; i < nb_dbg; i++)
927 {
928 dump_dir_debug_dir(debugDir, i);
929 debugDir++;
930 }
931 printf("\n");
932 }
933
934 static inline void print_clrflags(const char *title, WORD value)
935 {
936 printf(" %-34s 0x%X\n", title, value);
937 #define X(f,s) if (value & f) printf(" %s\n", s)
938 X(COMIMAGE_FLAGS_ILONLY, "ILONLY");
939 X(COMIMAGE_FLAGS_32BITREQUIRED, "32BITREQUIRED");
940 X(COMIMAGE_FLAGS_IL_LIBRARY, "IL_LIBRARY");
941 X(COMIMAGE_FLAGS_STRONGNAMESIGNED, "STRONGNAMESIGNED");
942 X(COMIMAGE_FLAGS_TRACKDEBUGDATA, "TRACKDEBUGDATA");
943 #undef X
944 }
945
946 static inline void print_clrdirectory(const char *title, const IMAGE_DATA_DIRECTORY *dir)
947 {
948 printf(" %-23s rva: 0x%-8x size: 0x%-8x\n", title, dir->VirtualAddress, dir->Size);
949 }
950
951 static void dump_dir_clr_header(void)
952 {
953 unsigned int size = 0;
954 const IMAGE_COR20_HEADER *dir = get_dir_and_size(IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR, &size);
955
956 if (!dir) return;
957
958 printf( "CLR Header\n" );
959 print_dword( "Header Size", dir->cb );
960 print_ver( "Required runtime version", dir->MajorRuntimeVersion, dir->MinorRuntimeVersion );
961 print_clrflags( "Flags", dir->Flags );
962 print_dword( "EntryPointToken", dir->EntryPointToken );
963 printf("\n");
964 printf( "CLR Data Directory\n" );
965 print_clrdirectory( "MetaData", &dir->MetaData );
966 print_clrdirectory( "Resources", &dir->Resources );
967 print_clrdirectory( "StrongNameSignature", &dir->StrongNameSignature );
968 print_clrdirectory( "CodeManagerTable", &dir->CodeManagerTable );
969 print_clrdirectory( "VTableFixups", &dir->VTableFixups );
970 print_clrdirectory( "ExportAddressTableJumps", &dir->ExportAddressTableJumps );
971 print_clrdirectory( "ManagedNativeHeader", &dir->ManagedNativeHeader );
972 printf("\n");
973 }
974
975 static void dump_dir_reloc(void)
976 {
977 unsigned int i, size = 0;
978 const USHORT *relocs;
979 const IMAGE_BASE_RELOCATION *rel = get_dir_and_size(IMAGE_DIRECTORY_ENTRY_BASERELOC, &size);
980 const IMAGE_BASE_RELOCATION *end = (IMAGE_BASE_RELOCATION *)((char *)rel + size);
981 static const char * const names[] =
982 {
983 "BASED_ABSOLUTE",
984 "BASED_HIGH",
985 "BASED_LOW",
986 "BASED_HIGHLOW",
987 "BASED_HIGHADJ",
988 "BASED_MIPS_JMPADDR",
989 "BASED_SECTION",
990 "BASED_REL",
991 "unknown 8",
992 "BASED_IA64_IMM64",
993 "BASED_DIR64",
994 "BASED_HIGH3ADJ",
995 "unknown 12",
996 "unknown 13",
997 "unknown 14",
998 "unknown 15"
999 };
1000
1001 if (!rel) return;
1002
1003 printf( "Relocations\n" );
1004 while (rel < end - 1 && rel->SizeOfBlock)
1005 {
1006 printf( " Page %x\n", rel->VirtualAddress );
1007 relocs = (const USHORT *)(rel + 1);
1008 i = (rel->SizeOfBlock - sizeof(*rel)) / sizeof(USHORT);
1009 while (i--)
1010 {
1011 USHORT offset = *relocs & 0xfff;
1012 int type = *relocs >> 12;
1013 printf( " off %04x type %s\n", offset, names[type] );
1014 relocs++;
1015 }
1016 rel = (const IMAGE_BASE_RELOCATION *)relocs;
1017 }
1018 printf("\n");
1019 }
1020
1021 static void dump_dir_tls(void)
1022 {
1023 IMAGE_TLS_DIRECTORY64 dir;
1024 const DWORD *callbacks;
1025 const IMAGE_TLS_DIRECTORY32 *pdir = get_dir(IMAGE_FILE_THREAD_LOCAL_STORAGE);
1026
1027 if (!pdir) return;
1028
1029 if(PE_nt_headers->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
1030 memcpy(&dir, pdir, sizeof(dir));
1031 else
1032 {
1033 dir.StartAddressOfRawData = pdir->StartAddressOfRawData;
1034 dir.EndAddressOfRawData = pdir->EndAddressOfRawData;
1035 dir.AddressOfIndex = pdir->AddressOfIndex;
1036 dir.AddressOfCallBacks = pdir->AddressOfCallBacks;
1037 dir.SizeOfZeroFill = pdir->SizeOfZeroFill;
1038 dir.Characteristics = pdir->Characteristics;
1039 }
1040
1041 /* FIXME: This does not properly handle large images */
1042 printf( "Thread Local Storage\n" );
1043 printf( " Raw data %08x-%08x (data size %x zero fill size %x)\n",
1044 (DWORD)dir.StartAddressOfRawData, (DWORD)dir.EndAddressOfRawData,
1045 (DWORD)(dir.EndAddressOfRawData - dir.StartAddressOfRawData),
1046 (DWORD)dir.SizeOfZeroFill );
1047 printf( " Index address %08x\n", (DWORD)dir.AddressOfIndex );
1048 printf( " Characteristics %08x\n", dir.Characteristics );
1049 printf( " Callbacks %08x -> {", (DWORD)dir.AddressOfCallBacks );
1050 if (dir.AddressOfCallBacks)
1051 {
1052 DWORD addr = (DWORD)dir.AddressOfCallBacks - PE_nt_headers->OptionalHeader.ImageBase;
1053 while ((callbacks = RVA(addr, sizeof(DWORD))) && *callbacks)
1054 {
1055 printf( " %08x", *callbacks );
1056 addr += sizeof(DWORD);
1057 }
1058 }
1059 printf(" }\n\n");
1060 }
1061
1062 enum FileSig get_kind_dbg(void)
1063 {
1064 const WORD* pw;
1065
1066 pw = PRD(0, sizeof(WORD));
1067 if (!pw) {printf("Can't get main signature, aborting\n"); return 0;}
1068
1069 if (*pw == 0x4944 /* "DI" */) return SIG_DBG;
1070 return SIG_UNKNOWN;
1071 }
1072
1073 void dbg_dump(void)
1074 {
1075 const IMAGE_SEPARATE_DEBUG_HEADER* separateDebugHead;
1076 unsigned nb_dbg;
1077 unsigned i;
1078 const IMAGE_DEBUG_DIRECTORY* debugDir;
1079
1080 separateDebugHead = PRD(0, sizeof(separateDebugHead));
1081 if (!separateDebugHead) {printf("Can't grab the separate header, aborting\n"); return;}
1082
1083 printf ("Signature: %.2s (0x%4X)\n",
1084 (const char*)&separateDebugHead->Signature, separateDebugHead->Signature);
1085 printf ("Flags: 0x%04X\n", separateDebugHead->Flags);
1086 printf ("Machine: 0x%04X (%s)\n",
1087 separateDebugHead->Machine, get_machine_str(separateDebugHead->Machine));
1088 printf ("Characteristics: 0x%04X\n", separateDebugHead->Characteristics);
1089 printf ("TimeDateStamp: 0x%08X (%s)\n",
1090 separateDebugHead->TimeDateStamp, get_time_str(separateDebugHead->TimeDateStamp));
1091 printf ("CheckSum: 0x%08X\n", separateDebugHead->CheckSum);
1092 printf ("ImageBase: 0x%08X\n", separateDebugHead->ImageBase);
1093 printf ("SizeOfImage: 0x%08X\n", separateDebugHead->SizeOfImage);
1094 printf ("NumberOfSections: 0x%08X\n", separateDebugHead->NumberOfSections);
1095 printf ("ExportedNamesSize: 0x%08X\n", separateDebugHead->ExportedNamesSize);
1096 printf ("DebugDirectorySize: 0x%08X\n", separateDebugHead->DebugDirectorySize);
1097
1098 if (!PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER),
1099 separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER)))
1100 {printf("Can't get the sections, aborting\n"); return;}
1101
1102 dump_sections(separateDebugHead, separateDebugHead + 1, separateDebugHead->NumberOfSections);
1103
1104 nb_dbg = separateDebugHead->DebugDirectorySize / sizeof(IMAGE_DEBUG_DIRECTORY);
1105 debugDir = PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER) +
1106 separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER) +
1107 separateDebugHead->ExportedNamesSize,
1108 nb_dbg * sizeof(IMAGE_DEBUG_DIRECTORY));
1109 if (!debugDir) {printf("Couldn't get the debug directory info, aborting\n");return;}
1110
1111 printf("Debug Table (%u directories)\n", nb_dbg);
1112
1113 for (i = 0; i < nb_dbg; i++)
1114 {
1115 dump_dir_debug_dir(debugDir, i);
1116 debugDir++;
1117 }
1118 }
1119
1120 static const char *get_resource_type( unsigned int id )
1121 {
1122 static const char * const types[] =
1123 {
1124 NULL,
1125 "CURSOR",
1126 "BITMAP",
1127 "ICON",
1128 "MENU",
1129 "DIALOG",
1130 "STRING",
1131 "FONTDIR",
1132 "FONT",
1133 "ACCELERATOR",
1134 "RCDATA",
1135 "MESSAGETABLE",
1136 "GROUP_CURSOR",
1137 NULL,
1138 "GROUP_ICON",
1139 NULL,
1140 "VERSION",
1141 "DLGINCLUDE",
1142 NULL,
1143 "PLUGPLAY",
1144 "VXD",
1145 "ANICURSOR",
1146 "ANIICON",
1147 "HTML",
1148 "RT_MANIFEST"
1149 };
1150
1151 if ((size_t)id < sizeof(types)/sizeof(types[0])) return types[id];
1152 return NULL;
1153 }
1154
1155 /* dump an ASCII string with proper escaping */
1156 static int dump_strA( const unsigned char *str, size_t len )
1157 {
1158 static const char escapes[32] = ".......abtnvfr.............e....";
1159 char buffer[256];
1160 char *pos = buffer;
1161 int count = 0;
1162
1163 for (; len; str++, len--)
1164 {
1165 if (pos > buffer + sizeof(buffer) - 8)
1166 {
1167 fwrite( buffer, pos - buffer, 1, stdout );
1168 count += pos - buffer;
1169 pos = buffer;
1170 }
1171 if (*str > 127) /* hex escape */
1172 {
1173 pos += sprintf( pos, "\\x%02x", *str );
1174 continue;
1175 }
1176 if (*str < 32) /* octal or C escape */
1177 {
1178 if (!*str && len == 1) continue; /* do not output terminating NULL */
1179 if (escapes[*str] != '.')
1180 pos += sprintf( pos, "\\%c", escapes[*str] );
1181 else if (len > 1 && str[1] >= '0' && str[1] <= '7')
1182 pos += sprintf( pos, "\\%03o", *str );
1183 else
1184 pos += sprintf( pos, "\\%o", *str );
1185 continue;
1186 }
1187 if (*str == '\\') *pos++ = '\\';
1188 *pos++ = *str;
1189 }
1190 fwrite( buffer, pos - buffer, 1, stdout );
1191 count += pos - buffer;
1192 return count;
1193 }
1194
1195 /* dump a Unicode string with proper escaping */
1196 static int dump_strW( const WCHAR *str, size_t len )
1197 {
1198 static const char escapes[32] = ".......abtnvfr.............e....";
1199 char buffer[256];
1200 char *pos = buffer;
1201 int count = 0;
1202
1203 for (; len; str++, len--)
1204 {
1205 if (pos > buffer + sizeof(buffer) - 8)
1206 {
1207 fwrite( buffer, pos - buffer, 1, stdout );
1208 count += pos - buffer;
1209 pos = buffer;
1210 }
1211 if (*str > 127) /* hex escape */
1212 {
1213 if (len > 1 && str[1] < 128 && isxdigit((char)str[1]))
1214 pos += sprintf( pos, "\\x%04x", *str );
1215 else
1216 pos += sprintf( pos, "\\x%x", *str );
1217 continue;
1218 }
1219 if (*str < 32) /* octal or C escape */
1220 {
1221 if (!*str && len == 1) continue; /* do not output terminating NULL */
1222 if (escapes[*str] != '.')
1223 pos += sprintf( pos, "\\%c", escapes[*str] );
1224 else if (len > 1 && str[1] >= '0' && str[1] <= '7')
1225 pos += sprintf( pos, "\\%03o", *str );
1226 else
1227 pos += sprintf( pos, "\\%o", *str );
1228 continue;
1229 }
1230 if (*str == '\\') *pos++ = '\\';
1231 *pos++ = *str;
1232 }
1233 fwrite( buffer, pos - buffer, 1, stdout );
1234 count += pos - buffer;
1235 return count;
1236 }
1237
1238 /* dump data for a STRING resource */
1239 static void dump_string_data( const WCHAR *ptr, unsigned int size, unsigned int id, const char *prefix )
1240 {
1241 int i;
1242
1243 for (i = 0; i < 16 && size; i++)
1244 {
1245 unsigned len = *ptr++;
1246
1247 if (len >= size)
1248 {
1249 len = size;
1250 size = 0;
1251 }
1252 else size -= len + 1;
1253
1254 if (len)
1255 {
1256 printf( "%s%04x \"", prefix, (id - 1) * 16 + i );
1257 dump_strW( ptr, len );
1258 printf( "\"\n" );
1259 ptr += len;
1260 }
1261 }
1262 }
1263
1264 /* dump data for a MESSAGETABLE resource */
1265 static void dump_msgtable_data( const void *ptr, unsigned int size, unsigned int id, const char *prefix )
1266 {
1267 const MESSAGE_RESOURCE_DATA *data = ptr;
1268 const MESSAGE_RESOURCE_BLOCK *block = data->Blocks;
1269 unsigned i, j;
1270
1271 for (i = 0; i < data->NumberOfBlocks; i++, block++)
1272 {
1273 const MESSAGE_RESOURCE_ENTRY *entry;
1274
1275 entry = (const MESSAGE_RESOURCE_ENTRY *)((const char *)data + block->OffsetToEntries);
1276 for (j = block->LowId; j <= block->HighId; j++)
1277 {
1278 if (entry->Flags & MESSAGE_RESOURCE_UNICODE)
1279 {
1280 const WCHAR *str = (const WCHAR *)entry->Text;
1281 printf( "%s%08x L\"", prefix, j );
1282 dump_strW( str, strlenW(str) );
1283 printf( "\"\n" );
1284 }
1285 else
1286 {
1287 const char *str = (const char *) entry->Text;
1288 printf( "%s%08x \"", prefix, j );
1289 dump_strA( entry->Text, strlen(str) );
1290 printf( "\"\n" );
1291 }
1292 entry = (const MESSAGE_RESOURCE_ENTRY *)((const char *)entry + entry->Length);
1293 }
1294 }
1295 }
1296
1297 static void dump_dir_resource(void)
1298 {
1299 const IMAGE_RESOURCE_DIRECTORY *root = get_dir(IMAGE_FILE_RESOURCE_DIRECTORY);
1300 const IMAGE_RESOURCE_DIRECTORY *namedir;
1301 const IMAGE_RESOURCE_DIRECTORY *langdir;
1302 const IMAGE_RESOURCE_DIRECTORY_ENTRY *e1, *e2, *e3;
1303 const IMAGE_RESOURCE_DIR_STRING_U *string;
1304 const IMAGE_RESOURCE_DATA_ENTRY *data;
1305 int i, j, k;
1306
1307 if (!root) return;
1308
1309 printf( "Resources:" );
1310
1311 for (i = 0; i< root->NumberOfNamedEntries + root->NumberOfIdEntries; i++)
1312 {
1313 e1 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(root + 1) + i;
1314 namedir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + e1->u2.s3.OffsetToDirectory);
1315 for (j = 0; j < namedir->NumberOfNamedEntries + namedir->NumberOfIdEntries; j++)
1316 {
1317 e2 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(namedir + 1) + j;
1318 langdir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + e2->u2.s3.OffsetToDirectory);
1319 for (k = 0; k < langdir->NumberOfNamedEntries + langdir->NumberOfIdEntries; k++)
1320 {
1321 e3 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(langdir + 1) + k;
1322
1323 printf( "\n " );
1324 if (e1->u1.s1.NameIsString)
1325 {
1326 string = (const IMAGE_RESOURCE_DIR_STRING_U*)((const char *)root + e1->u1.s1.NameOffset);
1327 dump_unicode_str( string->NameString, string->Length );
1328 }
1329 else
1330 {
1331 const char *type = get_resource_type( e1->u1.s2.Id );
1332 if (type) printf( "%s", type );
1333 else printf( "%04x", e1->u1.s2.Id );
1334 }
1335
1336 printf( " Name=" );
1337 if (e2->u1.s1.NameIsString)
1338 {
1339 string = (const IMAGE_RESOURCE_DIR_STRING_U*) ((const char *)root + e2->u1.s1.NameOffset);
1340 dump_unicode_str( string->NameString, string->Length );
1341 }
1342 else
1343 printf( "%04x", e2->u1.s2.Id );
1344
1345 printf( " Language=%04x:\n", e3->u1.s2.Id );
1346 data = (const IMAGE_RESOURCE_DATA_ENTRY *)((const char *)root + e3->u2.OffsetToData);
1347 if (e1->u1.s1.NameIsString)
1348 {
1349 dump_data( RVA( data->OffsetToData, data->Size ), data->Size, " " );
1350 }
1351 else switch(e1->u1.s2.Id)
1352 {
1353 case 6:
1354 dump_string_data( RVA( data->OffsetToData, data->Size ), data->Size,
1355 e2->u1.s2.Id, " " );
1356 break;
1357 case 11:
1358 dump_msgtable_data( RVA( data->OffsetToData, data->Size ), data->Size,
1359 e2->u1.s2.Id, " " );
1360 break;
1361 default:
1362 dump_data( RVA( data->OffsetToData, data->Size ), data->Size, " " );
1363 break;
1364 }
1365 }
1366 }
1367 }
1368 printf( "\n\n" );
1369 }
1370
1371 static void dump_debug(void)
1372 {
1373 const char* stabs = NULL;
1374 unsigned szstabs = 0;
1375 const char* stabstr = NULL;
1376 unsigned szstr = 0;
1377 unsigned i;
1378 const IMAGE_SECTION_HEADER* sectHead;
1379
1380 sectHead = (const IMAGE_SECTION_HEADER*)
1381 ((const char*)PE_nt_headers + sizeof(DWORD) +
1382 sizeof(IMAGE_FILE_HEADER) + PE_nt_headers->FileHeader.SizeOfOptionalHeader);
1383
1384 for (i = 0; i < PE_nt_headers->FileHeader.NumberOfSections; i++, sectHead++)
1385 {
1386 if (!strcmp((const char *)sectHead->Name, ".stab"))
1387 {
1388 stabs = RVA(sectHead->VirtualAddress, sectHead->Misc.VirtualSize);
1389 szstabs = sectHead->Misc.VirtualSize;
1390 }
1391 if (!strncmp((const char *)sectHead->Name, ".stabstr", 8))
1392 {
1393 stabstr = RVA(sectHead->VirtualAddress, sectHead->Misc.VirtualSize);
1394 szstr = sectHead->Misc.VirtualSize;
1395 }
1396 }
1397 if (stabs && stabstr)
1398 dump_stabs(stabs, szstabs, stabstr, szstr);
1399 }
1400
1401 enum FileSig get_kind_exec(void)
1402 {
1403 const WORD* pw;
1404 const DWORD* pdw;
1405 const IMAGE_DOS_HEADER* dh;
1406
1407 pw = PRD(0, sizeof(WORD));
1408 if (!pw) {printf("Can't get main signature, aborting\n"); return 0;}
1409
1410 if (*pw != IMAGE_DOS_SIGNATURE) return SIG_UNKNOWN;
1411
1412 if ((dh = PRD(0, sizeof(IMAGE_DOS_HEADER))))
1413 {
1414 /* the signature is the first DWORD */
1415 pdw = PRD(dh->e_lfanew, sizeof(DWORD));
1416 if (pdw)
1417 {
1418 if (*pdw == IMAGE_NT_SIGNATURE) return SIG_PE;
1419 if (*(const WORD *)pdw == IMAGE_OS2_SIGNATURE) return SIG_NE;
1420 if (*(const WORD *)pdw == IMAGE_VXD_SIGNATURE) return SIG_LE;
1421 return SIG_DOS;
1422 }
1423 }
1424 return 0;
1425 }
1426
1427 void pe_dump(void)
1428 {
1429 int all = (globals.dumpsect != NULL) && strcmp(globals.dumpsect, "ALL") == 0;
1430
1431 PE_nt_headers = get_nt_header();
1432 if (is_fake_dll()) printf( "*** This is a Wine fake DLL ***\n\n" );
1433
1434 if (globals.do_dumpheader)
1435 {
1436 dump_pe_header();
1437 /* FIXME: should check ptr */
1438 dump_sections(PRD(0, 1), (const char*)PE_nt_headers + sizeof(DWORD) +
1439 sizeof(IMAGE_FILE_HEADER) + PE_nt_headers->FileHeader.SizeOfOptionalHeader,
1440 PE_nt_headers->FileHeader.NumberOfSections);
1441 }
1442 else if (!globals.dumpsect)
1443 {
1444 /* show at least something here */
1445 dump_pe_header();
1446 }
1447
1448 if (globals.dumpsect)
1449 {
1450 if (all || !strcmp(globals.dumpsect, "import"))
1451 {
1452 dump_dir_imported_functions();
1453 dump_dir_delay_imported_functions();
1454 }
1455 if (all || !strcmp(globals.dumpsect, "export"))
1456 dump_dir_exported_functions();
1457 if (all || !strcmp(globals.dumpsect, "debug"))
1458 dump_dir_debug();
1459 if (all || !strcmp(globals.dumpsect, "resource"))
1460 dump_dir_resource();
1461 if (all || !strcmp(globals.dumpsect, "tls"))
1462 dump_dir_tls();
1463 if (all || !strcmp(globals.dumpsect, "clr"))
1464 dump_dir_clr_header();
1465 if (all || !strcmp(globals.dumpsect, "reloc"))
1466 dump_dir_reloc();
1467 if (all || !strcmp(globals.dumpsect, "except"))
1468 dump_dir_exceptions();
1469 }
1470 if (globals.do_debug)
1471 dump_debug();
1472 }
1473
1474 typedef struct _dll_symbol {
1475 size_t ordinal;
1476 char *symbol;
1477 } dll_symbol;
1478
1479 static dll_symbol *dll_symbols = NULL;
1480 static dll_symbol *dll_current_symbol = NULL;
1481
1482 /* Compare symbols by ordinal for qsort */
1483 static int symbol_cmp(const void *left, const void *right)
1484 {
1485 return ((const dll_symbol *)left)->ordinal > ((const dll_symbol *)right)->ordinal;
1486 }
1487
1488 /*******************************************************************
1489 * dll_close
1490 *
1491 * Free resources used by DLL
1492 */
1493 /* FIXME: Not used yet
1494 static void dll_close (void)
1495 {
1496 dll_symbol* ds;
1497
1498 if (!dll_symbols) {
1499 fatal("No symbols");
1500 }
1501 for (ds = dll_symbols; ds->symbol; ds++)
1502 free(ds->symbol);
1503 free (dll_symbols);
1504 dll_symbols = NULL;
1505 }
1506 */
1507
1508 static void do_grab_sym( void )
1509 {
1510 const IMAGE_EXPORT_DIRECTORY*exportDir;
1511 unsigned i, j;
1512 const DWORD* pName;
1513 const DWORD* pFunc;
1514 const WORD* pOrdl;
1515 const char* ptr;
1516 DWORD* map;
1517
1518 PE_nt_headers = get_nt_header();
1519 if (!(exportDir = get_dir(IMAGE_FILE_EXPORT_DIRECTORY))) return;
1520
1521 pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD));
1522 if (!pName) {printf("Can't grab functions' name table\n"); return;}
1523 pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD));
1524 if (!pOrdl) {printf("Can't grab functions' ordinal table\n"); return;}
1525
1526 /* dll_close(); */
1527
1528 if (!(dll_symbols = malloc((exportDir->NumberOfFunctions + 1) * sizeof(dll_symbol))))
1529 fatal ("Out of memory");
1530 if (exportDir->AddressOfFunctions != exportDir->NumberOfNames || exportDir->Base > 1)
1531 globals.do_ordinals = 1;
1532
1533 /* bit map of used funcs */
1534 map = calloc(((exportDir->NumberOfFunctions + 31) & ~31) / 32, sizeof(DWORD));
1535 if (!map) fatal("no memory");
1536
1537 for (j = 0; j < exportDir->NumberOfNames; j++, pOrdl++)
1538 {
1539 map[*pOrdl / 32] |= 1 << (*pOrdl % 32);
1540 ptr = RVA(*pName++, sizeof(DWORD));
1541 if (!ptr) ptr = "cant_get_function";
1542 dll_symbols[j].symbol = strdup(ptr);
1543 dll_symbols[j].ordinal = exportDir->Base + *pOrdl;
1544 assert(dll_symbols[j].symbol);
1545 }
1546 pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
1547 if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
1548
1549 for (i = 0; i < exportDir->NumberOfFunctions; i++)
1550 {
1551 if (pFunc[i] && !(map[i / 32] & (1 << (i % 32))))
1552 {
1553 char ordinal_text[256];
1554 /* Ordinal only entry */
1555 snprintf (ordinal_text, sizeof(ordinal_text), "%s_%u",
1556 globals.forward_dll ? globals.forward_dll : OUTPUT_UC_DLL_NAME,
1557 exportDir->Base + i);
1558 str_toupper(ordinal_text);
1559 dll_symbols[j].symbol = strdup(ordinal_text);
1560 assert(dll_symbols[j].symbol);
1561 dll_symbols[j].ordinal = exportDir->Base + i;
1562 j++;
1563 assert(j <= exportDir->NumberOfFunctions);
1564 }
1565 }
1566 free(map);
1567
1568 if (NORMAL)
1569 printf("%u named symbols in DLL, %u total, %d unique (ordinal base = %d)\n",
1570 exportDir->NumberOfNames, exportDir->NumberOfFunctions, j, exportDir->Base);
1571
1572 qsort( dll_symbols, j, sizeof(dll_symbol), symbol_cmp );
1573
1574 dll_symbols[j].symbol = NULL;
1575
1576 dll_current_symbol = dll_symbols;
1577 }
1578
1579 /*******************************************************************
1580 * dll_open
1581 *
1582 * Open a DLL and read in exported symbols
1583 */
1584 int dll_open (const char *dll_name)
1585 {
1586 return dump_analysis(dll_name, do_grab_sym, SIG_PE);
1587 }
1588
1589 /*******************************************************************
1590 * dll_next_symbol
1591 *
1592 * Get next exported symbol from dll
1593 */
1594 int dll_next_symbol (parsed_symbol * sym)
1595 {
1596 if (!dll_current_symbol->symbol)
1597 return 1;
1598
1599 assert (dll_symbols);
1600
1601 sym->symbol = strdup (dll_current_symbol->symbol);
1602 sym->ordinal = dll_current_symbol->ordinal;
1603 dll_current_symbol++;
1604 return 0;
1605 }
useful hacks and other patches not (yet) suitable for mainline