VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/dbg/dbgmodnm.cpp@ 42072

Last change on this file since 42072 was 41783, checked in by vboxsync, 13 years ago

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1/* $Id: dbgmodnm.cpp 41783 2012-06-16 19:24:15Z vboxsync $ */
2/** @file
3 * IPRT - Debug Map Reader For NM Like Mapfiles.
4 */
5
6/*
7 * Copyright (C) 2009 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*******************************************************************************
29* Header Files *
30*******************************************************************************/
31#include <iprt/dbg.h>
32#include "internal/iprt.h"
33
34#include <iprt/err.h>
35#include <iprt/ctype.h>
36#include <iprt/mem.h>
37#include <iprt/stream.h>
38#include <iprt/string.h>
39#include "internal/dbgmod.h"
40
41
42/*******************************************************************************
43* Structures and Typedefs *
44*******************************************************************************/
45/**
46 * Instance data.
47 */
48typedef struct RTDBGMODNM
49{
50 /** The debug container containing doing the real work. */
51 RTDBGMOD hCnt;
52} RTDBGMODNM;
53/** Pointer to instance data NM map reader. */
54typedef RTDBGMODNM *PRTDBGMODNM;
55
56
57
58/** @interface_method_impl{RTDBGMODVTDBG,pfnLineByAddr} */
59static DECLCALLBACK(int) rtDbgModNm_LineByAddr(PRTDBGMODINT pMod, RTDBGSEGIDX iSeg, RTUINTPTR off,
60 PRTINTPTR poffDisp, PRTDBGLINE pLineInfo)
61{
62 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
63 return RTDbgModLineByAddr(pThis->hCnt, iSeg, off, poffDisp, pLineInfo);
64}
65
66
67/** @interface_method_impl{RTDBGMODVTDBG,pfnLineByOrdinal} */
68static DECLCALLBACK(int) rtDbgModNm_LineByOrdinal(PRTDBGMODINT pMod, uint32_t iOrdinal, PRTDBGLINE pLineInfo)
69{
70 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
71 return RTDbgModLineByOrdinal(pThis->hCnt, iOrdinal, pLineInfo);
72}
73
74
75/** @interface_method_impl{RTDBGMODVTDBG,pfnLineCount} */
76static DECLCALLBACK(uint32_t) rtDbgModNm_LineCount(PRTDBGMODINT pMod)
77{
78 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
79 return RTDbgModLineCount(pThis->hCnt);
80}
81
82
83/** @interface_method_impl{RTDBGMODVTDBG,pfnLineAdd} */
84static DECLCALLBACK(int) rtDbgModNm_LineAdd(PRTDBGMODINT pMod, const char *pszFile, size_t cchFile, uint32_t uLineNo,
85 uint32_t iSeg, RTUINTPTR off, uint32_t *piOrdinal)
86{
87 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
88 Assert(!pszFile[cchFile]); NOREF(cchFile);
89 return RTDbgModLineAdd(pThis->hCnt, pszFile, uLineNo, iSeg, off, piOrdinal);
90}
91
92
93/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolByAddr} */
94static DECLCALLBACK(int) rtDbgModNm_SymbolByAddr(PRTDBGMODINT pMod, RTDBGSEGIDX iSeg, RTUINTPTR off, uint32_t fFlags,
95 PRTINTPTR poffDisp, PRTDBGSYMBOL pSymInfo)
96{
97 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
98 return RTDbgModSymbolByAddr(pThis->hCnt, iSeg, off, fFlags, poffDisp, pSymInfo);
99}
100
101
102/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolByName} */
103static DECLCALLBACK(int) rtDbgModNm_SymbolByName(PRTDBGMODINT pMod, const char *pszSymbol, size_t cchSymbol,
104 PRTDBGSYMBOL pSymInfo)
105{
106 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
107 Assert(!pszSymbol[cchSymbol]); NOREF(cchSymbol);
108 return RTDbgModSymbolByName(pThis->hCnt, pszSymbol, pSymInfo);
109}
110
111
112/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolByOrdinal} */
113static DECLCALLBACK(int) rtDbgModNm_SymbolByOrdinal(PRTDBGMODINT pMod, uint32_t iOrdinal, PRTDBGSYMBOL pSymInfo)
114{
115 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
116 return RTDbgModSymbolByOrdinal(pThis->hCnt, iOrdinal, pSymInfo);
117}
118
119
120/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolCount} */
121static DECLCALLBACK(uint32_t) rtDbgModNm_SymbolCount(PRTDBGMODINT pMod)
122{
123 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
124 return RTDbgModSymbolCount(pThis->hCnt);
125}
126
127
128/** @interface_method_impl{RTDBGMODVTDBG,pfnSymbolAdd} */
129static DECLCALLBACK(int) rtDbgModNm_SymbolAdd(PRTDBGMODINT pMod, const char *pszSymbol, size_t cchSymbol,
130 RTDBGSEGIDX iSeg, RTUINTPTR off, RTUINTPTR cb, uint32_t fFlags,
131 uint32_t *piOrdinal)
132{
133 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
134 Assert(!pszSymbol[cchSymbol]); NOREF(cchSymbol);
135 return RTDbgModSymbolAdd(pThis->hCnt, pszSymbol, iSeg, off, cb, fFlags, piOrdinal);
136}
137
138
139/** @interface_method_impl{RTDBGMODVTDBG,pfnSegmentByIndex} */
140static DECLCALLBACK(int) rtDbgModNm_SegmentByIndex(PRTDBGMODINT pMod, RTDBGSEGIDX iSeg, PRTDBGSEGMENT pSegInfo)
141{
142 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
143 return RTDbgModSegmentByIndex(pThis->hCnt, iSeg, pSegInfo);
144}
145
146
147/** @interface_method_impl{RTDBGMODVTDBG,pfnSegmentCount} */
148static DECLCALLBACK(RTDBGSEGIDX) rtDbgModNm_SegmentCount(PRTDBGMODINT pMod)
149{
150 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
151 return RTDbgModSegmentCount(pThis->hCnt);
152}
153
154
155/** @interface_method_impl{RTDBGMODVTDBG,pfnSegmentAdd} */
156static DECLCALLBACK(int) rtDbgModNm_SegmentAdd(PRTDBGMODINT pMod, RTUINTPTR uRva, RTUINTPTR cb, const char *pszName,
157 size_t cchName, uint32_t fFlags, PRTDBGSEGIDX piSeg)
158{
159 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
160 Assert(!pszName[cchName]); NOREF(cchName);
161 return RTDbgModSegmentAdd(pThis->hCnt, uRva, cb, pszName, fFlags, piSeg);
162}
163
164
165/** @interface_method_impl{RTDBGMODVTDBG,pfnImageSize} */
166static DECLCALLBACK(RTUINTPTR) rtDbgModNm_ImageSize(PRTDBGMODINT pMod)
167{
168 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
169 return RTDbgModImageSize(pThis->hCnt);
170}
171
172
173/** @interface_method_impl{RTDBGMODVTDBG,pfnRvaToSegOff} */
174static DECLCALLBACK(RTDBGSEGIDX) rtDbgModNm_RvaToSegOff(PRTDBGMODINT pMod, RTUINTPTR uRva, PRTUINTPTR poffSeg)
175{
176 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
177 return RTDbgModRvaToSegOff(pThis->hCnt, uRva, poffSeg);
178}
179
180
181/** @interface_method_impl{RTDBGMODVTDBG,pfnClose} */
182static DECLCALLBACK(int) rtDbgModNm_Close(PRTDBGMODINT pMod)
183{
184 PRTDBGMODNM pThis = (PRTDBGMODNM)pMod->pvDbgPriv;
185 RTDbgModRelease(pThis->hCnt);
186 pThis->hCnt = NIL_RTDBGMOD;
187 RTMemFree(pThis);
188 return VINF_SUCCESS;
189}
190
191
192/**
193 * Scans a NM-like map file.
194 *
195 * This implements both passes to avoid code duplication.
196 *
197 * @returns IPRT status code.
198 * @param pThis The instance data.
199 * @param pStrm The stream.
200 * @param fAddSymbols false in the first pass, true in the second.
201 */
202static int rtDbgModNmScanFile(PRTDBGMODNM pThis, PRTSTREAM pStrm, bool fAddSymbols)
203{
204 /*
205 * Try parse the stream.
206 */
207 RTUINTPTR SegZeroRva = fAddSymbols ? RTDbgModSegmentRva(pThis->hCnt, 0/*iSeg*/) : 0;
208 char szSym[RTDBG_SYMBOL_NAME_LENGTH] = "";
209 size_t cchMod = 0;
210 size_t offSym = 0;
211 unsigned cchAddr = 0;
212 uint64_t u64Low = UINT64_MAX;
213 uint64_t u64High = 0;
214 int fWithType = -1;
215 char szLine[512];
216 int rc;
217 while (RT_SUCCESS(rc = RTStrmGetLine(pStrm, szLine, sizeof(szLine))))
218 {
219 char chType;
220 if (RT_C_IS_XDIGIT(szLine[0]))
221 {
222 /*
223 * This is really what C was made for, string parsing.
224 */
225 /* The symbol value (address). */
226 uint64_t u64Addr;
227 char *psz;
228 rc = RTStrToUInt64Ex(szLine, &psz, 16, &u64Addr);
229 if (rc != VWRN_TRAILING_CHARS)
230 return VERR_DBG_NOT_NM_MAP_FILE;
231
232 /* Check the address width. */
233 if (cchAddr == 0)
234 cchAddr = psz == &szLine[8] ? 8 : 16;
235 if (psz != &szLine[cchAddr])
236 return VERR_DBG_NOT_NM_MAP_FILE;
237
238 /* Get the type and check for single space before symbol. */
239 char *pszName;
240 if (fWithType < 0)
241 fWithType = RT_C_IS_BLANK(szLine[cchAddr + 2]) ? 1 : 0; /* have type? Linux 2.4 /proc/ksyms doesn't. */
242 if (fWithType)
243 {
244 chType = szLine[cchAddr + 1];
245 pszName = &szLine[cchAddr + 3];
246 if ( RT_C_IS_BLANK(chType)
247 || !RT_C_IS_BLANK(szLine[cchAddr + 2])
248 || RT_C_IS_BLANK(szLine[cchAddr + 3]))
249 return VERR_DBG_NOT_NM_MAP_FILE;
250 }
251 else
252 {
253 chType = 'T';
254 pszName = &szLine[cchAddr + 1];
255 }
256
257 /* Find the end of the symbol name. */
258 char *pszNameEnd = pszName;
259 char ch;
260 while ((ch = *pszNameEnd) != '\0' && !RT_C_IS_SPACE(ch))
261 pszNameEnd++;
262
263 /* Any module name (linux /proc/kallsyms) following in brackets? */
264 char *pszModName = pszNameEnd;
265 char *pszModNameEnd = pszModName;
266 if (*pszModName)
267 {
268 *pszModName++ = '\0';
269 pszModNameEnd = pszModName = RTStrStripL(pszModName);
270 if (*pszModName != '\0')
271 {
272 if (*pszModName != '[')
273 return VERR_DBG_NOT_LINUX_KALLSYMS;
274 pszModNameEnd = ++pszModName;
275 while ((ch = *pszModNameEnd) != '\0' && ch != ']')
276 pszModNameEnd++;
277 if (ch != ']')
278 return VERR_DBG_NOT_LINUX_KALLSYMS;
279 char *pszEnd = pszModNameEnd + 1;
280 if ((size_t)(pszModNameEnd - pszModName) >= 128) /* lazy bird */
281 return VERR_DBG_NOT_LINUX_KALLSYMS;
282 *pszModNameEnd = '\0';
283 if (*pszEnd)
284 pszEnd = RTStrStripL(pszEnd);
285 if (*pszEnd)
286 return VERR_DBG_NOT_LINUX_KALLSYMS;
287 }
288 }
289
290 /*
291 * Did the module change? Then update the symbol prefix.
292 */
293 if ( cchMod != (size_t)(pszModNameEnd - pszModName)
294 || memcmp(pszModName, szSym, cchMod))
295 {
296 cchMod = pszModNameEnd - pszModName;
297 if (cchMod == 0)
298 offSym = 0;
299 else
300 {
301 memcpy(szSym, pszModName, cchMod);
302 szSym[cchMod] = '.';
303 offSym = cchMod + 1;
304 }
305 szSym[offSym] = '\0';
306 }
307
308 /*
309 * Validate the type and add the symbol if it's a type we care for.
310 */
311 uint32_t fFlags = 0;
312 RTDBGSEGIDX iSegSym = 0;
313 switch (chType)
314 {
315 /* absolute */
316 case 'a':
317 case '?': /* /proc/kallsyms */
318 iSegSym = RTDBGSEGIDX_ABS;
319 /// @todo fFlags |= RTDBG_SYM_FLAGS_LOCAL;
320 break;
321 case 'A':
322 iSegSym = RTDBGSEGIDX_ABS;
323 /// @todo fFlags |= RTDBG_SYM_FLAGS_PUBLIC;
324 break;
325
326 case 'b':
327 /// @todo fFlags |= RTDBG_SYM_FLAGS_LOCAL;
328 break;
329 case 'B':
330 /// @todo fFlags |= RTDBG_SYM_FLAGS_PUBLIC;
331 break;
332
333 case 'c':
334 /// @todo fFlags |= RTDBG_SYM_FLAGS_LOCAL | RTDBG_SYM_FLAGS_COMMON;
335 break;
336 case 'C':
337 /// @todo fFlags |= RTDBG_SYM_FLAGS_PUBLIC | RTDBG_SYM_FLAGS_COMMON;
338 break;
339
340 case 'd':
341 /// @todo fFlags |= RTDBG_SYM_FLAGS_LOCAL;
342 break;
343 case 'D':
344 /// @todo fFlags |= RTDBG_SYM_FLAGS_PUBLIC;
345 break;
346
347 case 'g':
348 /// @todo fFlags |= RTDBG_SYM_FLAGS_LOCAL;
349 break;
350 case 'G':
351 /// @todo fFlags |= RTDBG_SYM_FLAGS_PUBLIC;
352 break;
353
354 case 'i':
355 /// @todo fFlags |= RTDBG_SYM_FLAGS_LOCAL;
356 break;
357 case 'I':
358 /// @todo fFlags |= RTDBG_SYM_FLAGS_PUBLIC;
359 break;
360
361 case 'r':
362 /// @todo fFlags |= RTDBG_SYM_FLAGS_LOCAL | RTDBG_SYM_FLAGS_CONST;
363 break;
364 case 'R':
365 /// @todo fFlags |= RTDBG_SYM_FLAGS_PUBLIC | RTDBG_SYM_FLAGS_CONST;
366 break;
367
368 case 's':
369 /// @todo fFlags |= RTDBG_SYM_FLAGS_LOCAL;
370 break;
371 case 'S':
372 /// @todo fFlags |= RTDBG_SYM_FLAGS_PUBLIC;
373 break;
374
375 case 't':
376 /// @todo fFlags |= RTDBG_SYM_FLAGS_LOCAL | RTDBG_SYM_FLAGS_TEXT;
377 break;
378 case 'T':
379 /// @todo fFlags |= RTDBG_SYM_FLAGS_PUBLIC | RTDBG_SYM_FLAGS_TEXT;
380 break;
381
382 case 'w':
383 /// @todo fFlags |= RTDBG_SYM_FLAGS_WEAK | RTDBG_SYM_FLAGS_LOCAL; //???
384 break;
385 case 'W':
386 /// @todo fFlags |= RTDBG_SYM_FLAGS_WEAK | RTDBG_SYM_FLAGS_PUBLIC;
387 break;
388
389 case 'N': /* debug */
390 case 'n':
391 case '-': /* stabs */
392 case 'u': /* undefined (/proc/kallsyms) */
393 case 'U':
394 case 'v': /* weakext */
395 case 'V':
396 iSegSym = NIL_RTDBGSEGIDX;
397 break;
398
399 default:
400 return VERR_DBG_NOT_NM_MAP_FILE;
401 }
402
403 if (iSegSym != NIL_RTDBGSEGIDX)
404 {
405 if (fAddSymbols)
406 {
407 size_t cchName = pszNameEnd - pszName;
408 if (cchName >= sizeof(szSym) - offSym)
409 cchName = sizeof(szSym) - offSym - 1;
410 memcpy(&szSym[offSym], pszName, cchName + 1);
411 if (iSegSym == 0)
412 rc = RTDbgModSymbolAdd(pThis->hCnt, szSym, iSegSym, u64Addr - SegZeroRva, 0/*cb*/, fFlags, NULL);
413 else
414 rc = RTDbgModSymbolAdd(pThis->hCnt, szSym, iSegSym, u64Addr, 0/*cb*/, fFlags, NULL);
415 if ( RT_FAILURE(rc)
416 && rc != VERR_DBG_DUPLICATE_SYMBOL
417 && rc != VERR_DBG_ADDRESS_CONFLICT) /* (don't be too strict) */
418 return rc;
419 }
420
421 /* Track segment span. */
422 if (iSegSym == 0)
423 {
424 if (u64Low > u64Addr)
425 u64Low = u64Addr;
426 if (u64High < u64Addr)
427 u64High = u64Addr;
428 }
429 }
430 }
431 else
432 {
433 /*
434 * This is either a blank line or a symbol without an address.
435 */
436 RTStrStripR(szLine);
437 if (szLine[0])
438 {
439 size_t cch = strlen(szLine);
440 if (cchAddr == 0)
441 cchAddr = cch < 16+3 || szLine[8+1] != ' ' ? 8 : 16;
442 if (cch < cchAddr+3+1)
443 return VERR_DBG_NOT_NM_MAP_FILE;
444 chType = szLine[cchAddr + 1];
445 if ( chType != 'U'
446 && chType != 'w')
447 return VERR_DBG_NOT_NM_MAP_FILE;
448 char *pszType = RTStrStripL(szLine);
449 if (pszType != &szLine[cchAddr + 1])
450 return VERR_DBG_NOT_NM_MAP_FILE;
451 if (!RT_C_IS_BLANK(szLine[cchAddr + 2]))
452 return VERR_DBG_NOT_NM_MAP_FILE;
453 }
454 /* else: blank - ignored */
455 }
456 }
457
458 /*
459 * The final segment.
460 */
461 if (rc == VERR_EOF)
462 {
463 if (fAddSymbols)
464 rc = VINF_SUCCESS;
465 else
466 {
467 if ( u64Low != UINT64_MAX
468 || u64High != 0)
469 rc = RTDbgModSegmentAdd(pThis->hCnt, u64Low, u64High - u64Low + 1, "main", 0, NULL);
470 else /* No sensible symbols... throw an error instead? */
471 rc = RTDbgModSegmentAdd(pThis->hCnt, 0, 0, "main", 0, NULL);
472 }
473 }
474
475 return rc;
476}
477
478
479/** @interface_method_impl{RTDBGMODVTDBG,pfnTryOpen} */
480static DECLCALLBACK(int) rtDbgModNm_TryOpen(PRTDBGMODINT pMod)
481{
482 /*
483 * Fend off images.
484 */
485 if ( !pMod->pszDbgFile
486 || pMod->pImgVt)
487 return VERR_DBG_NO_MATCHING_INTERPRETER;
488
489 /*
490 * Try open the file and create an instance.
491 */
492 PRTSTREAM pStrm;
493 int rc = RTStrmOpen(pMod->pszDbgFile, "r", &pStrm);
494 if (RT_SUCCESS(rc))
495 {
496 PRTDBGMODNM pThis = (PRTDBGMODNM)RTMemAlloc(sizeof(*pThis));
497 if (pThis)
498 {
499 rc = RTDbgModCreate(&pThis->hCnt, pMod->pszName, 0 /*cbSeg*/, 0 /*fFlags*/);
500 if (RT_SUCCESS(rc))
501 {
502 /*
503 * Scan the file twice, first to figure the segment
504 * sizes, then to add the symbol.
505 */
506 rc = rtDbgModNmScanFile(pThis, pStrm, false /*fAddSymbols*/);
507 if (RT_SUCCESS(rc))
508 rc = RTStrmRewind(pStrm);
509 if (RT_SUCCESS(rc))
510 rc = rtDbgModNmScanFile(pThis, pStrm, true /*fAddSymbols*/);
511 if (RT_SUCCESS(rc))
512 {
513 RTStrmClose(pStrm);
514 pMod->pvDbgPriv = pThis;
515 return rc;
516 }
517 }
518 RTDbgModRelease(pThis->hCnt);
519 }
520 else
521 rc = VERR_NO_MEMORY;
522 RTStrmClose(pStrm);
523 }
524 return rc;
525}
526
527
528
529/** Virtual function table for the NM-like map file reader. */
530DECL_HIDDEN_CONST(RTDBGMODVTDBG) const g_rtDbgModVtDbgNm =
531{
532 /*.u32Magic = */ RTDBGMODVTDBG_MAGIC,
533 /*.fSupports = */ RT_DBGTYPE_MAP,
534 /*.pszName = */ "nm",
535 /*.pfnTryOpen = */ rtDbgModNm_TryOpen,
536 /*.pfnClose = */ rtDbgModNm_Close,
537
538 /*.pfnRvaToSegOff = */ rtDbgModNm_RvaToSegOff,
539 /*.pfnImageSize = */ rtDbgModNm_ImageSize,
540
541 /*.pfnSegmentAdd = */ rtDbgModNm_SegmentAdd,
542 /*.pfnSegmentCount = */ rtDbgModNm_SegmentCount,
543 /*.pfnSegmentByIndex = */ rtDbgModNm_SegmentByIndex,
544
545 /*.pfnSymbolAdd = */ rtDbgModNm_SymbolAdd,
546 /*.pfnSymbolCount = */ rtDbgModNm_SymbolCount,
547 /*.pfnSymbolByOrdinal = */ rtDbgModNm_SymbolByOrdinal,
548 /*.pfnSymbolByName = */ rtDbgModNm_SymbolByName,
549 /*.pfnSymbolByAddr = */ rtDbgModNm_SymbolByAddr,
550
551 /*.pfnLineAdd = */ rtDbgModNm_LineAdd,
552 /*.pfnLineCount = */ rtDbgModNm_LineCount,
553 /*.pfnLineByOrdinal = */ rtDbgModNm_LineByOrdinal,
554 /*.pfnLineByAddr = */ rtDbgModNm_LineByAddr,
555
556 /*.u32EndMagic = */ RTDBGMODVTDBG_MAGIC
557};
558
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