dbg.h@ 50003

Last change on this file since 50003 was 50003, checked in by vboxsync, 11 years ago
iprt/dbg.h: Increased the fixed symbol length.
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File size: 63.9 KB

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1	/* $Id: dbg.h 50003 2013-12-25 17:59:47Z vboxsync $ */
2	/** @file
3	* IPRT - Debugging Routines.
4	*/
5
6	/*
7	* Copyright (C) 2008-2013 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	#ifndef ___iprt_dbg_h
28	#define ___iprt_dbg_h
29
30	#include <iprt/types.h>
31	#include <iprt/stdarg.h>
32	#include <iprt/ldr.h>
33
34	RT_C_DECLS_BEGIN
35
36	# ifdef IN_RING3
37
38	/** @defgroup grp_rt_dbg RTDbg - Debugging Routines
39	* @ingroup grp_rt
40	* @{
41	*/
42
43
44	/** Debug segment index. */
45	typedef uint32_t RTDBGSEGIDX;
46	/** Pointer to a debug segment index. */
47	typedef RTDBGSEGIDX *PRTDBGSEGIDX;
48	/** Pointer to a const debug segment index. */
49	typedef RTDBGSEGIDX const *PCRTDBGSEGIDX;
50	/** NIL debug segment index. */
51	#define NIL_RTDBGSEGIDX UINT32_C(0xffffffff)
52	/** The last normal segment index. */
53	#define RTDBGSEGIDX_LAST UINT32_C(0xffffffef)
54	/** Special segment index that indicates that the offset is a relative
55	* virtual address (RVA). I.e. an offset from the start of the module. */
56	#define RTDBGSEGIDX_RVA UINT32_C(0xfffffff0)
57	/** Special segment index that indicates that the offset is a absolute. */
58	#define RTDBGSEGIDX_ABS UINT32_C(0xfffffff1)
59	/** The last valid special segment index. */
60	#define RTDBGSEGIDX_SPECIAL_LAST RTDBGSEGIDX_ABS
61	/** The last valid special segment index. */
62	#define RTDBGSEGIDX_SPECIAL_FIRST (RTDBGSEGIDX_LAST + 1U)
63
64
65
66	/** @name RTDBGSYMADDR_FLAGS_XXX
67	* Flags used when looking up a symbol by address.
68	* @{ */
69	/** Less or equal address. (default) */
70	#define RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL UINT32_C(0)
71	/** Greater or equal address. */
72	#define RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL UINT32_C(1)
73	/** Mask of valid flags. */
74	#define RTDBGSYMADDR_FLAGS_VALID_MASK UINT32_C(1)
75	/** @} */
76
77
78	/** Max length (including '\\0') of a segment name. */
79	#define RTDBG_SEGMENT_NAME_LENGTH (128 - 8 - 8 - 8 - 4 - 4)
80
81	/**
82	* Debug module segment.
83	*/
84	typedef struct RTDBGSEGMENT
85	{
86	/** The load address.
87	* RTUINTPTR_MAX if not applicable. */
88	RTUINTPTR Address;
89	/** The image relative virtual address of the segment.
90	* RTUINTPTR_MAX if not applicable. */
91	RTUINTPTR uRva;
92	/** The segment size. */
93	RTUINTPTR cb;
94	/** The segment flags. (reserved) */
95	uint32_t fFlags;
96	/** The segment index. */
97	RTDBGSEGIDX iSeg;
98	/** Symbol name. */
99	char szName[RTDBG_SEGMENT_NAME_LENGTH];
100	} RTDBGSEGMENT;
101	/** Pointer to a debug module segment. */
102	typedef RTDBGSEGMENT *PRTDBGSEGMENT;
103	/** Pointer to a const debug module segment. */
104	typedef RTDBGSEGMENT const *PCRTDBGSEGMENT;
105
106
107
108	/** Max length (including '\\0') of a symbol name. */
109	#define RTDBG_SYMBOL_NAME_LENGTH (512 - 8 - 8 - 8 - 4 - 4 - 8)
110
111	/**
112	* Debug symbol.
113	*/
114	typedef struct RTDBGSYMBOL
115	{
116	/** Symbol value (address).
117	* This depends a bit who you ask. It will be the same as offSeg when you
118	* as RTDbgMod, but the mapping address if you ask RTDbgAs. */
119	RTUINTPTR Value;
120	/** Symbol size. */
121	RTUINTPTR cb;
122	/** Offset into the segment specified by iSeg. */
123	RTUINTPTR offSeg;
124	/** Segment number. */
125	RTDBGSEGIDX iSeg;
126	/** Symbol Flags. (reserved). */
127	uint32_t fFlags;
128	/** Symbol ordinal.
129	* This is set to UINT32_MAX if the ordinals aren't supported. */
130	uint32_t iOrdinal;
131	/** Symbol name. */
132	char szName[RTDBG_SYMBOL_NAME_LENGTH];
133	} RTDBGSYMBOL;
134	/** Pointer to debug symbol. */
135	typedef RTDBGSYMBOL *PRTDBGSYMBOL;
136	/** Pointer to const debug symbol. */
137	typedef const RTDBGSYMBOL *PCRTDBGSYMBOL;
138
139	/**
140	* Allocate a new symbol structure.
141	*
142	* @returns Pointer to a new structure on success, NULL on failure.
143	*/
144	RTDECL(PRTDBGSYMBOL) RTDbgSymbolAlloc(void);
145
146	/**
147	* Duplicates a symbol structure.
148	*
149	* @returns Pointer to duplicate on success, NULL on failure.
150	*
151	* @param pSymInfo The symbol info to duplicate.
152	*/
153	RTDECL(PRTDBGSYMBOL) RTDbgSymbolDup(PCRTDBGSYMBOL pSymInfo);
154
155	/**
156	* Free a symbol structure previously allocated by a RTDbg method.
157	*
158	* @param pSymInfo The symbol info to free. NULL is ignored.
159	*/
160	RTDECL(void) RTDbgSymbolFree(PRTDBGSYMBOL pSymInfo);
161
162
163	/** Max length (including '\\0') of a debug info file name. */
164	#define RTDBG_FILE_NAME_LENGTH (260)
165
166
167	/**
168	* Debug line number information.
169	*/
170	typedef struct RTDBGLINE
171	{
172	/** Address.
173	* This depends a bit who you ask. It will be the same as offSeg when you
174	* as RTDbgMod, but the mapping address if you ask RTDbgAs. */
175	RTUINTPTR Address;
176	/** Offset into the segment specified by iSeg. */
177	RTUINTPTR offSeg;
178	/** Segment number. */
179	RTDBGSEGIDX iSeg;
180	/** Line number. */
181	uint32_t uLineNo;
182	/** Symbol ordinal.
183	* This is set to UINT32_MAX if the ordinals aren't supported. */
184	uint32_t iOrdinal;
185	/** Filename. */
186	char szFilename[RTDBG_FILE_NAME_LENGTH];
187	} RTDBGLINE;
188	/** Pointer to debug line number. */
189	typedef RTDBGLINE *PRTDBGLINE;
190	/** Pointer to const debug line number. */
191	typedef const RTDBGLINE *PCRTDBGLINE;
192
193	/**
194	* Allocate a new line number structure.
195	*
196	* @returns Pointer to a new structure on success, NULL on failure.
197	*/
198	RTDECL(PRTDBGLINE) RTDbgLineAlloc(void);
199
200	/**
201	* Duplicates a line number structure.
202	*
203	* @returns Pointer to duplicate on success, NULL on failure.
204	*
205	* @param pLine The line number to duplicate.
206	*/
207	RTDECL(PRTDBGLINE) RTDbgLineDup(PCRTDBGLINE pLine);
208
209	/**
210	* Free a line number structure previously allocated by a RTDbg method.
211	*
212	* @param pLine The line number to free. NULL is ignored.
213	*/
214	RTDECL(void) RTDbgLineFree(PRTDBGLINE pLine);
215
216
217	/** @defgroup grp_rt_dbgcfg RTDbgCfg - Debugging Configuration
218	*
219	* The settings used when loading and processing debug info is kept in a
220	* RTDBGCFG instance since it's generally shared for a whole debugging session
221	* and anyhow would be a major pain to pass as individual parameters to each
222	* call. The debugging config API not only keeps the settings information but
223	* also provide APIs for making use of it, and in some cases, like for instance
224	* symbol severs, retriving and maintaining it.
225	*
226	* @todo Work in progress - APIs are still missing, adding when needed.
227	*
228	* @{
229	*/
230
231	/** Debugging configuration handle. */
232	typedef struct RTDBGCFGINT *RTDBGCFG;
233	/** Pointer to a debugging configuration handle. */
234	typedef RTDBGCFG *PRTDBGCFG;
235	/** NIL debug configuration handle. */
236	#define NIL_RTDBGCFG ((RTDBGCFG)0)
237
238	/** @name RTDBGCFG_FLAGS_XXX - Debugging configuration flags.
239	* @{ */
240	/** Use deferred loading. */
241	#define RTDBGCFG_FLAGS_DEFERRED RT_BIT_64(0)
242	/** Don't use the symbol server (http). */
243	#define RTDBGCFG_FLAGS_NO_SYM_SRV RT_BIT_64(1)
244	/** Don't use system search paths.
245	* On windows this means not using _NT_ALT_SYMBOL_PATH, _NT_SYMBOL_PATH,
246	* _NT_SOURCE_PATH, and _NT_EXECUTABLE_PATH.
247	* On other systems the effect has yet to be determined. */
248	#define RTDBGCFG_FLAGS_NO_SYSTEM_PATHS RT_BIT_64(2)
249	/** Don't search the debug and image paths recursively. */
250	#define RTDBGCFG_FLAGS_NO_RECURSIV_SEARCH RT_BIT_64(3)
251	/** Don't search the source paths recursively. */
252	#define RTDBGCFG_FLAGS_NO_RECURSIV_SRC_SEARCH RT_BIT_64(4)
253	/** @} */
254
255	/**
256	* Debugging configuration properties.
257	*
258	* The search paths are using the DOS convention of semicolon as separator
259	* character. The the special 'srv' + asterisk syntax known from the windows
260	* debugger search paths are also supported to some extent, as is 'cache' +
261	* asterisk.
262	*/
263	typedef enum RTDBGCFGPROP
264	{
265	/** The customary invalid 0 value. */
266	RTDBGCFGPROP_INVALID = 0,
267	/** RTDBGCFG_FLAGS_XXX.
268	* Env: _FLAGS
269	* The environment variable can be specified as a unsigned value or one or more
270	* mnemonics separated by spaces. */
271	RTDBGCFGPROP_FLAGS,
272	/** List of paths to search for symbol files and images.
273	* Env: _PATH */
274	RTDBGCFGPROP_PATH,
275	/** List of symbol file suffixes (semicolon separated).
276	* Env: _SUFFIXES */
277	RTDBGCFGPROP_SUFFIXES,
278	/** List of paths to search for source files.
279	* Env: _SRC_PATH */
280	RTDBGCFGPROP_SRC_PATH,
281	/** End of valid values. */
282	RTDBGCFGPROP_END,
283	/** The customary 32-bit type hack. */
284	RTDBGCFGPROP_32BIT_HACK = 0x7fffffff
285	} RTDBGCFGPROP;
286
287	/**
288	* Configuration property change operation.
289	*/
290	typedef enum RTDBGCFGOP
291	{
292	/** Customary invalid 0 value. */
293	RTDBGCFGOP_INVALID = 0,
294	/** Replace the current value with the given one. */
295	RTDBGCFGOP_SET,
296	/** Append the given value to the existing one. For integer values this is
297	* considered a bitwise OR operation. */
298	RTDBGCFGOP_APPEND,
299	/** Prepend the given value to the existing one. For integer values this is
300	* considered a bitwise OR operation. */
301	RTDBGCFGOP_PREPEND,
302	/** Removes the value from the existing one. For interger values the value is
303	* complemented and ANDed with the existing one, clearing all the specified
304	* flags/bits. */
305	RTDBGCFGOP_REMOVE,
306	/** End of valid values. */
307	RTDBGCFGOP_END,
308	/** Customary 32-bit type hack. */
309	RTDBGCFGOP_32BIT_HACK = 0x7fffffff
310	} RTDBGCFGOP;
311
312
313
314	/**
315	* Initializes a debugging configuration.
316	*
317	* @returns IPRT status code.
318	* @param phDbgCfg Where to return the configuration handle.
319	* @param pszEnvVarPrefix The environment variable prefix. If NULL, the
320	* environment is not consulted.
321	* @param fNativePaths Whether to pick up native paths from the
322	* environment.
323	*
324	* @sa RTDbgCfgChangeString, RTDbgCfgChangeUInt.
325	*/
326	RTDECL(int) RTDbgCfgCreate(PRTDBGCFG phDbgCfg, const char *pszEnvVarPrefix, bool fNativePaths);
327
328	/**
329	* Retains a new reference to a debugging config.
330	*
331	* @returns New reference count.
332	* UINT32_MAX is returned if the handle is invalid (asserted).
333	* @param hDbgCfg The config handle.
334	*/
335	RTDECL(uint32_t) RTDbgCfgRetain(RTDBGCFG hDbgCfg);
336
337	/**
338	* Releases a references to a debugging config.
339	*
340	* @returns New reference count, if 0 the config was freed. UINT32_MAX is
341	* returned if the handle is invalid (asserted).
342	* @param hDbgCfg The config handle.
343	*/
344	RTDECL(uint32_t) RTDbgCfgRelease(RTDBGCFG hDbgCfg);
345
346	/**
347	* Changes a property value by string.
348	*
349	* For string values the string is used more or less as given. For integer
350	* values and flags, it can contains both values (ORed together) or property
351	* specific mnemonics (ORed / ~ANDed).
352	*
353	* @returns IPRT status code.
354	* @retval VERR_DBG_CFG_INVALID_VALUE
355	* @param hDbgCfg The debugging configuration handle.
356	* @param enmProp The property to change.
357	* @param enmOp How to change the property.
358	* @param pszValue The property value to apply.
359	*/
360	RTDECL(int) RTDbgCfgChangeString(RTDBGCFG hDbgCfg, RTDBGCFGPROP enmProp, RTDBGCFGOP enmOp, const char *pszValue);
361
362	/**
363	* Changes a property value by unsigned integer (64-bit).
364	*
365	* This can only be applied to integer and flag properties.
366	*
367	* @returns IPRT status code.
368	* @retval VERR_DBG_CFG_NOT_UINT_PROP
369	* @param hDbgCfg The debugging configuration handle.
370	* @param enmProp The property to change.
371	* @param enmOp How to change the property.
372	* @param uValue The property value to apply.
373	*/
374	RTDECL(int) RTDbgCfgChangeUInt(RTDBGCFG hDbgCfg, RTDBGCFGPROP enmProp, RTDBGCFGOP enmOp, uint64_t uValue);
375
376	/**
377	* Query a property value as string.
378	*
379	* Integer and flags properties are returned as a list of mnemonics if possible,
380	* otherwise as simple hex values.
381	*
382	* @returns IPRT status code.
383	* @retval VERR_BUFFER_OVERFLOW if there isn't sufficient buffer space. Nothing
384	* is written.
385	* @param hDbgCfg The debugging configuration handle.
386	* @param enmProp The property to change.
387	* @param pszValue The output buffer.
388	* @param cbValue The size of the output buffer.
389	*/
390	RTDECL(int) RTDbgCfgQueryString(RTDBGCFG hDbgCfg, RTDBGCFGPROP enmProp, char *pszValue, size_t cbValue);
391
392	/**
393	* Query a property value as unsigned integer (64-bit).
394	*
395	* Only integer and flags properties can be queried this way.
396	*
397	* @returns IPRT status code.
398	* @retval VERR_DBG_CFG_NOT_UINT_PROP
399	* @param hDbgCfg The debugging configuration handle.
400	* @param enmProp The property to change.
401	* @param puValue Where to return the value.
402	*/
403	RTDECL(int) RTDbgCfgQueryUInt(RTDBGCFG hDbgCfg, RTDBGCFGPROP enmProp, uint64_t *puValue);
404
405	/**
406	* Log callback.
407	*
408	* @param hDbgCfg The debug config instance.
409	* @param iLevel The message level.
410	* @param pszMsg The message.
411	* @param pvUser User argument.
412	*/
413	typedef DECLCALLBACK(void) FNRTDBGCFGLOG(RTDBGCFG hDbgCfg, uint32_t iLevel, const char pszMsg, void pvUser);
414	/** Pointer to a log callback. */
415	typedef FNRTDBGCFGLOG *PFNRTDBGCFGLOG;
416
417	/**
418	* Sets the log callback for the configuration.
419	*
420	* This will fail if there is already a log callback present, unless pfnCallback
421	* is NULL.
422	*
423	* @returns IPRT status code.
424	* @param hDbgCfg The debugging configuration handle.
425	* @param pfnCallback The callback function. NULL to unset.
426	* @param pvUser The user argument.
427	*/
428	RTDECL(int) RTDbgCfgSetLogCallback(RTDBGCFG hDbgCfg, PFNRTDBGCFGLOG pfnCallback, void *pvUser);
429
430	/**
431	* Callback used by the RTDbgCfgOpen function to try out a file that was found.
432	*
433	* @returns On statuses other than VINF_CALLBACK_RETURN and
434	* VERR_CALLBACK_RETURN the search will continue till the end of the
435	* list. These status codes will not necessarily be propagated to the
436	* caller in any consistent manner.
437	* @retval VINF_CALLBACK_RETURN if successuflly opened the file and it's time
438	* to return
439	* @retval VERR_CALLBACK_RETURN if we shouldn't stop searching.
440	*
441	* @param hDbgCfg The debugging configuration handle.
442	* @param pszFilename The path to the file that should be tried out.
443	* @param pvUser1 First user parameter.
444	* @param pvUser2 Second user parameter.
445	*/
446	typedef DECLCALLBACK(int) FNDBGCFGOPEN(RTDBGCFG hDbgCfg, const char pszFilename, void pvUser1, void *pvUser2);
447	/** Pointer to a open-file callback used to the RTDbgCfgOpen functions. */
448	typedef FNDBGCFGOPEN *PFNDBGCFGOPEN;
449
450
451	RTDECL(int) RTDbgCfgOpenPeImage(RTDBGCFG hDbgCfg, const char *pszFilename, uint32_t cbImage, uint32_t uTimestamp,
452	PFNDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2);
453	RTDECL(int) RTDbgCfgOpenPdb70(RTDBGCFG hDbgCfg, const char *pszFilename, PCRTUUID pUuid, uint32_t uAge,
454	PFNDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2);
455	RTDECL(int) RTDbgCfgOpenPdb20(RTDBGCFG hDbgCfg, const char *pszFilename, uint32_t cbImage, uint32_t uTimestamp, uint32_t uAge,
456	PFNDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2);
457	RTDECL(int) RTDbgCfgOpenDbg(RTDBGCFG hDbgCfg, const char *pszFilename, uint32_t cbImage, uint32_t uTimestamp,
458	PFNDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2);
459	RTDECL(int) RTDbgCfgOpenDwo(RTDBGCFG hDbgCfg, const char *pszFilename, uint32_t uCrc32,
460	PFNDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2);
461	RTDECL(int) RTDbgCfgOpenDsymBundle(RTDBGCFG hDbgCfg, const char *pszFilename, PCRTUUID pUuid,
462	PFNDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2);
463	RTDECL(int) RTDbgCfgOpenMachOImage(RTDBGCFG hDbgCfg, const char *pszFilename, PCRTUUID pUuid,
464	PFNDBGCFGOPEN pfnCallback, void pvUser1, void pvUser2);
465
466
467	/** @name Static symbol cache configuration
468	* @{ */
469	/** The cache subdirectory containing the UUID mappings for .dSYM bundles.
470	* The UUID mappings implemented by IPRT are splitting the image/dsym UUID up
471	* into five 4 digit parts that maps to directories and one twelve digit part
472	* that maps to a symbolic link. The symlink points to the file in the
473	* Contents/Resources/DWARF/ directory of the .dSYM bundle for a .dSYM map, and
474	* to the image file (Contents/MacOS/bundlename for bundles) for image map.
475	*
476	* According to available documentation, both lldb and gdb are able to use these
477	* UUID maps to find debug info while debugging. See:
478	* http://lldb.llvm.org/symbols.html
479	*/
480	#define RTDBG_CACHE_UUID_MAP_DIR_DSYMS "dsym-uuids"
481	/** The cache subdirectory containing the UUID mappings for image files. */
482	#define RTDBG_CACHE_UUID_MAP_DIR_IMAGES "image-uuids"
483	/** Suffix used for the cached .dSYM debug files.
484	* In .dSYM bundles only the .dSYM/Contents/Resources/DWARF/debug-file is
485	* copied into the cache, and in order to not clash with the stripped/rich image
486	* file, the cache tool slaps this suffix onto the name. */
487	#define RTDBG_CACHE_DSYM_FILE_SUFFIX ".dwarf"
488	/** @} */
489
490
491	/** @} */
492
493
494	/** @defgroup grp_rt_dbgas RTDbgAs - Debug Address Space
495	* @{
496	*/
497
498	/**
499	* Creates an empty address space.
500	*
501	* @returns IPRT status code.
502	*
503	* @param phDbgAs Where to store the address space handle on success.
504	* @param FirstAddr The first address in the address space.
505	* @param LastAddr The last address in the address space.
506	* @param pszName The name of the address space.
507	*/
508	RTDECL(int) RTDbgAsCreate(PRTDBGAS phDbgAs, RTUINTPTR FirstAddr, RTUINTPTR LastAddr, const char *pszName);
509
510	/**
511	* Variant of RTDbgAsCreate that takes a name format string.
512	*
513	* @returns IPRT status code.
514	*
515	* @param phDbgAs Where to store the address space handle on success.
516	* @param FirstAddr The first address in the address space.
517	* @param LastAddr The last address in the address space.
518	* @param pszNameFmt The name format of the address space.
519	* @param va Format arguments.
520	*/
521	RTDECL(int) RTDbgAsCreateV(PRTDBGAS phDbgAs, RTUINTPTR FirstAddr, RTUINTPTR LastAddr, const char *pszNameFmt, va_list va);
522
523	/**
524	* Variant of RTDbgAsCreate that takes a name format string.
525	*
526	* @returns IPRT status code.
527	*
528	* @param phDbgAs Where to store the address space handle on success.
529	* @param FirstAddr The first address in the address space.
530	* @param LastAddr The last address in the address space.
531	* @param pszNameFmt The name format of the address space.
532	* @param ... Format arguments.
533	*/
534	RTDECL(int) RTDbgAsCreateF(PRTDBGAS phDbgAs, RTUINTPTR FirstAddr, RTUINTPTR LastAddr, const char *pszNameFmt, ...);
535
536	/**
537	* Retains a reference to the address space.
538	*
539	* @returns New reference count, UINT32_MAX on invalid handle (asserted).
540	*
541	* @param hDbgAs The address space handle.
542	*
543	* @remarks Will not take any locks.
544	*/
545	RTDECL(uint32_t) RTDbgAsRetain(RTDBGAS hDbgAs);
546
547	/**
548	* Release a reference to the address space.
549	*
550	* When the reference count reaches zero, the address space is destroyed.
551	* That means unlinking all the modules it currently contains, potentially
552	* causing some or all of them to be destroyed as they are managed by
553	* reference counting.
554	*
555	* @returns New reference count, UINT32_MAX on invalid handle (asserted).
556	*
557	* @param hDbgAs The address space handle. The NIL handle is quietly
558	* ignored and 0 is returned.
559	*
560	* @remarks Will not take any locks.
561	*/
562	RTDECL(uint32_t) RTDbgAsRelease(RTDBGAS hDbgAs);
563
564	/**
565	* Locks the address space for exclusive access.
566	*
567	* @returns IRPT status code
568	* @param hDbgAs The address space handle.
569	*/
570	RTDECL(int) RTDbgAsLockExcl(RTDBGAS hDbgAs);
571
572	/**
573	* Counters the actions of one RTDbgAsUnlockExcl call.
574	*
575	* @returns IRPT status code
576	* @param hDbgAs The address space handle.
577	*/
578	RTDECL(int) RTDbgAsUnlockExcl(RTDBGAS hDbgAs);
579
580	/**
581	* Gets the name of an address space.
582	*
583	* @returns read only address space name.
584	* NULL if hDbgAs is invalid.
585	*
586	* @param hDbgAs The address space handle.
587	*
588	* @remarks Will not take any locks.
589	*/
590	RTDECL(const char *) RTDbgAsName(RTDBGAS hDbgAs);
591
592	/**
593	* Gets the first address in an address space.
594	*
595	* @returns The address.
596	* 0 if hDbgAs is invalid.
597	*
598	* @param hDbgAs The address space handle.
599	*
600	* @remarks Will not take any locks.
601	*/
602	RTDECL(RTUINTPTR) RTDbgAsFirstAddr(RTDBGAS hDbgAs);
603
604	/**
605	* Gets the last address in an address space.
606	*
607	* @returns The address.
608	* 0 if hDbgAs is invalid.
609	*
610	* @param hDbgAs The address space handle.
611	*
612	* @remarks Will not take any locks.
613	*/
614	RTDECL(RTUINTPTR) RTDbgAsLastAddr(RTDBGAS hDbgAs);
615
616	/**
617	* Gets the number of modules in the address space.
618	*
619	* This can be used together with RTDbgAsModuleByIndex
620	* to enumerate the modules.
621	*
622	* @returns The number of modules.
623	*
624	* @param hDbgAs The address space handle.
625	*
626	* @remarks Will not take any locks.
627	*/
628	RTDECL(uint32_t) RTDbgAsModuleCount(RTDBGAS hDbgAs);
629
630	/** @name Flags for RTDbgAsModuleLink and RTDbgAsModuleLinkSeg
631	* @{ */
632	/** Replace all conflicting module.
633	* (The conflicting modules will be removed the address space and their
634	* references released.) */
635	#define RTDBGASLINK_FLAGS_REPLACE RT_BIT_32(0)
636	/** Mask containing the valid flags. */
637	#define RTDBGASLINK_FLAGS_VALID_MASK UINT32_C(0x00000001)
638	/** @} */
639
640	/**
641	* Links a module into the address space at the give address.
642	*
643	* The size of the mapping is determined using RTDbgModImageSize().
644	*
645	* @returns IPRT status code.
646	* @retval VERR_OUT_OF_RANGE if the specified address will put the module
647	* outside the address space.
648	* @retval VERR_ADDRESS_CONFLICT if the mapping clashes with existing mappings.
649	*
650	* @param hDbgAs The address space handle.
651	* @param hDbgMod The module handle of the module to be linked in.
652	* @param ImageAddr The address to link the module at.
653	* @param fFlags See RTDBGASLINK_FLAGS_*.
654	*/
655	RTDECL(int) RTDbgAsModuleLink(RTDBGAS hDbgAs, RTDBGMOD hDbgMod, RTUINTPTR ImageAddr, uint32_t fFlags);
656
657	/**
658	* Links a segment into the address space at the give address.
659	*
660	* The size of the mapping is determined using RTDbgModSegmentSize().
661	*
662	* @returns IPRT status code.
663	* @retval VERR_OUT_OF_RANGE if the specified address will put the module
664	* outside the address space.
665	* @retval VERR_ADDRESS_CONFLICT if the mapping clashes with existing mappings.
666	*
667	* @param hDbgAs The address space handle.
668	* @param hDbgMod The module handle.
669	* @param iSeg The segment number (0-based) of the segment to be
670	* linked in.
671	* @param SegAddr The address to link the segment at.
672	* @param fFlags See RTDBGASLINK_FLAGS_*.
673	*/
674	RTDECL(int) RTDbgAsModuleLinkSeg(RTDBGAS hDbgAs, RTDBGMOD hDbgMod, RTDBGSEGIDX iSeg, RTUINTPTR SegAddr, uint32_t fFlags);
675
676	/**
677	* Unlinks all the mappings of a module from the address space.
678	*
679	* @returns IPRT status code.
680	* @retval VERR_NOT_FOUND if the module wasn't found.
681	*
682	* @param hDbgAs The address space handle.
683	* @param hDbgMod The module handle of the module to be unlinked.
684	*/
685	RTDECL(int) RTDbgAsModuleUnlink(RTDBGAS hDbgAs, RTDBGMOD hDbgMod);
686
687	/**
688	* Unlinks the mapping at the specified address.
689	*
690	* @returns IPRT status code.
691	* @retval VERR_NOT_FOUND if no module or segment is mapped at that address.
692	*
693	* @param hDbgAs The address space handle.
694	* @param Addr The address within the mapping to be unlinked.
695	*/
696	RTDECL(int) RTDbgAsModuleUnlinkByAddr(RTDBGAS hDbgAs, RTUINTPTR Addr);
697
698	/**
699	* Get a the handle of a module in the address space by is index.
700	*
701	* @returns A retained handle to the specified module. The caller must release
702	* the returned reference.
703	* NIL_RTDBGMOD if invalid index or handle.
704	*
705	* @param hDbgAs The address space handle.
706	* @param iModule The index of the module to get.
707	*
708	* @remarks The module indexes may change after calls to RTDbgAsModuleLink,
709	* RTDbgAsModuleLinkSeg, RTDbgAsModuleUnlink and
710	* RTDbgAsModuleUnlinkByAddr.
711	*/
712	RTDECL(RTDBGMOD) RTDbgAsModuleByIndex(RTDBGAS hDbgAs, uint32_t iModule);
713
714	/**
715	* Queries mapping module information by handle.
716	*
717	* @returns IPRT status code.
718	* @retval VERR_NOT_FOUND if no mapping was found at the specified address.
719	*
720	* @param hDbgAs The address space handle.
721	* @param Addr Address within the mapping of the module or segment.
722	* @param phMod Where to the return the retained module handle.
723	* Optional.
724	* @param pAddr Where to return the base address of the mapping.
725	* Optional.
726	* @param piSeg Where to return the segment index. This is set to
727	* NIL if the entire module is mapped as a single
728	* mapping. Optional.
729	*/
730	RTDECL(int) RTDbgAsModuleByAddr(RTDBGAS hDbgAs, RTUINTPTR Addr, PRTDBGMOD phMod, PRTUINTPTR pAddr, PRTDBGSEGIDX piSeg);
731
732	/**
733	* Queries mapping module information by name.
734	*
735	* @returns IPRT status code.
736	* @retval VERR_NOT_FOUND if no mapping was found at the specified address.
737	* @retval VERR_OUT_OF_RANGE if the name index was out of range.
738	*
739	* @param hDbgAs The address space handle.
740	* @param pszName The module name.
741	* @param iName There can be more than one module by the same name
742	* in an address space. This argument indicates which
743	* is meant. (0 based)
744	* @param phMod Where to the return the retained module handle.
745	*/
746	RTDECL(int) RTDbgAsModuleByName(RTDBGAS hDbgAs, const char *pszName, uint32_t iName, PRTDBGMOD phMod);
747
748	/**
749	* Information about a mapping.
750	*
751	* This is used by RTDbgAsModuleGetMapByIndex.
752	*/
753	typedef struct RTDBGASMAPINFO
754	{
755	/** The mapping address. */
756	RTUINTPTR Address;
757	/** The segment mapped there.
758	* This is NIL_RTDBGSEGIDX if the entire module image is mapped here. */
759	RTDBGSEGIDX iSeg;
760	} RTDBGASMAPINFO;
761	/** Pointer to info about an address space mapping. */
762	typedef RTDBGASMAPINFO *PRTDBGASMAPINFO;
763	/** Pointer to const info about an address space mapping. */
764	typedef RTDBGASMAPINFO const *PCRTDBGASMAPINFO;
765
766	/**
767	* Queries mapping information for a module given by index.
768	*
769	* @returns IRPT status code.
770	* @retval VERR_INVALID_HANDLE if hDbgAs is invalid.
771	* @retval VERR_OUT_OF_RANGE if the name index was out of range.
772	* @retval VINF_BUFFER_OVERFLOW if the array is too small and the returned
773	* information is incomplete.
774	*
775	* @param hDbgAs The address space handle.
776	* @param iModule The index of the module to get.
777	* @param paMappings Where to return the mapping information. The buffer
778	* size is given by *pcMappings.
779	* @param pcMappings IN: Size of the paMappings array. OUT: The number of
780	* entries returned.
781	* @param fFlags Flags for reserved for future use. MBZ.
782	*
783	* @remarks See remarks for RTDbgAsModuleByIndex regarding the volatility of the
784	* iModule parameter.
785	*/
786	RTDECL(int) RTDbgAsModuleQueryMapByIndex(RTDBGAS hDbgAs, uint32_t iModule, PRTDBGASMAPINFO paMappings, uint32_t *pcMappings, uint32_t fFlags);
787
788	/**
789	* Adds a symbol to a module in the address space.
790	*
791	* @returns IPRT status code. See RTDbgModSymbolAdd for more specific ones.
792	* @retval VERR_INVALID_HANDLE if hDbgAs is invalid.
793	* @retval VERR_NOT_FOUND if no module was found at the specified address.
794	* @retval VERR_NOT_SUPPORTED if the module interpret doesn't support adding
795	* custom symbols.
796	*
797	* @param hDbgAs The address space handle.
798	* @param pszSymbol The symbol name.
799	* @param Addr The address of the symbol.
800	* @param cb The size of the symbol.
801	* @param fFlags Symbol flags.
802	* @param piOrdinal Where to return the symbol ordinal on success. If
803	* the interpreter doesn't do ordinals, this will be set to
804	* UINT32_MAX. Optional
805	*/
806	RTDECL(int) RTDbgAsSymbolAdd(RTDBGAS hDbgAs, const char pszSymbol, RTUINTPTR Addr, RTUINTPTR cb, uint32_t fFlags, uint32_t piOrdinal);
807
808	/**
809	* Query a symbol by address.
810	*
811	* @returns IPRT status code. See RTDbgModSymbolAddr for more specific ones.
812	* @retval VERR_INVALID_HANDLE if hDbgAs is invalid.
813	* @retval VERR_NOT_FOUND if the address couldn't be mapped to a module.
814	* @retval VERR_INVALID_PARAMETER if incorrect flags.
815	*
816	* @param hDbgAs The address space handle.
817	* @param Addr The address which closest symbol is requested.
818	* @param fFlags Symbol search flags, see RTDBGSYMADDR_FLAGS_XXX.
819	* @param poffDisp Where to return the distance between the symbol
820	* and address. Optional.
821	* @param pSymbol Where to return the symbol info.
822	* @param phMod Where to return the module handle. Optional.
823	*/
824	RTDECL(int) RTDbgAsSymbolByAddr(RTDBGAS hDbgAs, RTUINTPTR Addr, uint32_t fFlags,
825	PRTINTPTR poffDisp, PRTDBGSYMBOL pSymbol, PRTDBGMOD phMod);
826
827	/**
828	* Query a symbol by address.
829	*
830	* @returns IPRT status code. See RTDbgModSymbolAddrA for more specific ones.
831	* @retval VERR_INVALID_HANDLE if hDbgAs is invalid.
832	* @retval VERR_NOT_FOUND if the address couldn't be mapped to a module.
833	* @retval VERR_INVALID_PARAMETER if incorrect flags.
834	*
835	* @param hDbgAs The address space handle.
836	* @param Addr The address which closest symbol is requested.
837	* @param fFlags Symbol search flags, see RTDBGSYMADDR_FLAGS_XXX.
838	* @param poffDisp Where to return the distance between the symbol
839	* and address. Optional.
840	* @param ppSymInfo Where to return the pointer to the allocated symbol
841	* info. Always set. Free with RTDbgSymbolFree.
842	* @param phMod Where to return the module handle. Optional.
843	*/
844	RTDECL(int) RTDbgAsSymbolByAddrA(RTDBGAS hDbgAs, RTUINTPTR Addr, uint32_t fFlags,
845	PRTINTPTR poffDisp, PRTDBGSYMBOL *ppSymInfo, PRTDBGMOD phMod);
846
847	/**
848	* Query a symbol by name.
849	*
850	* @returns IPRT status code.
851	* @retval VERR_SYMBOL_NOT_FOUND if not found.
852	*
853	* @param hDbgAs The address space handle.
854	* @param pszSymbol The symbol name. It is possible to limit the scope
855	* of the search by prefixing the symbol with a module
856	* name pattern followed by a bang (!) character.
857	* RTStrSimplePatternNMatch is used for the matching.
858	* @param pSymbol Where to return the symbol info.
859	* @param phMod Where to return the module handle. Optional.
860	*/
861	RTDECL(int) RTDbgAsSymbolByName(RTDBGAS hDbgAs, const char *pszSymbol, PRTDBGSYMBOL pSymbol, PRTDBGMOD phMod);
862
863	/**
864	* Query a symbol by name, allocating the returned symbol structure.
865	*
866	* @returns IPRT status code.
867	* @retval VERR_SYMBOL_NOT_FOUND if not found.
868	*
869	* @param hDbgAs The address space handle.
870	* @param pszSymbol The symbol name. See RTDbgAsSymbolByName for more.
871	* @param ppSymbol Where to return the pointer to the allocated
872	* symbol info. Always set. Free with RTDbgSymbolFree.
873	* @param phMod Where to return the module handle. Optional.
874	*/
875	RTDECL(int) RTDbgAsSymbolByNameA(RTDBGAS hDbgAs, const char pszSymbol, PRTDBGSYMBOL ppSymbol, PRTDBGMOD phMod);
876
877	/**
878	* Adds a line number to a module in the address space.
879	*
880	* @returns IPRT status code. See RTDbgModLineAdd for more specific ones.
881	* @retval VERR_INVALID_HANDLE if hDbgAs is invalid.
882	* @retval VERR_NOT_FOUND if no module was found at the specified address.
883	* @retval VERR_NOT_SUPPORTED if the module interpret doesn't support adding
884	* custom symbols.
885	*
886	* @param hDbgAs The address space handle.
887	* @param pszFile The file name.
888	* @param uLineNo The line number.
889	* @param Addr The address of the symbol.
890	* @param piOrdinal Where to return the line number ordinal on success.
891	* If the interpreter doesn't do ordinals, this will be
892	* set to UINT32_MAX. Optional.
893	*/
894	RTDECL(int) RTDbgAsLineAdd(RTDBGAS hDbgAs, const char pszFile, uint32_t uLineNo, RTUINTPTR Addr, uint32_t piOrdinal);
895
896	/**
897	* Query a line number by address.
898	*
899	* @returns IPRT status code. See RTDbgModLineAddrA for more specific ones.
900	* @retval VERR_INVALID_HANDLE if hDbgAs is invalid.
901	* @retval VERR_NOT_FOUND if the address couldn't be mapped to a module.
902	*
903	* @param hDbgAs The address space handle.
904	* @param Addr The address which closest symbol is requested.
905	* @param poffDisp Where to return the distance between the line
906	* number and address.
907	* @param pLine Where to return the line number information.
908	* @param phMod Where to return the module handle. Optional.
909	*/
910	RTDECL(int) RTDbgAsLineByAddr(RTDBGAS hDbgAs, RTUINTPTR Addr, PRTINTPTR poffDisp, PRTDBGLINE pLine, PRTDBGMOD phMod);
911
912	/**
913	* Query a line number by address.
914	*
915	* @returns IPRT status code. See RTDbgModLineAddrA for more specific ones.
916	* @retval VERR_INVALID_HANDLE if hDbgAs is invalid.
917	* @retval VERR_NOT_FOUND if the address couldn't be mapped to a module.
918	*
919	* @param hDbgAs The address space handle.
920	* @param Addr The address which closest symbol is requested.
921	* @param poffDisp Where to return the distance between the line
922	* number and address.
923	* @param ppLine Where to return the pointer to the allocated line
924	* number info. Always set. Free with RTDbgLineFree.
925	* @param phMod Where to return the module handle. Optional.
926	*/
927	RTDECL(int) RTDbgAsLineByAddrA(RTDBGAS hDbgAs, RTUINTPTR Addr, PRTINTPTR poffDisp, PRTDBGLINE *ppLine, PRTDBGMOD phMod);
928
929	/** @todo Missing some bits here. */
930
931	/** @} */
932
933
934	/** @defgroup grp_rt_dbgmod RTDbgMod - Debug Module Interpreter
935	* @{
936	*/
937
938	/**
939	* Creates a module based on the default debug info container.
940	*
941	* This can be used to manually load a module and its symbol. The primary user
942	* group is the debug info interpreters, which use this API to create an
943	* efficient debug info container behind the scenes and forward all queries to
944	* it once the info has been loaded.
945	*
946	* @returns IPRT status code.
947	*
948	* @param phDbgMod Where to return the module handle.
949	* @param pszName The name of the module (mandatory).
950	* @param cbSeg The size of initial segment. If zero, segments will
951	* have to be added manually using RTDbgModSegmentAdd.
952	* @param fFlags Flags reserved for future extensions, MBZ for now.
953	*/
954	RTDECL(int) RTDbgModCreate(PRTDBGMOD phDbgMod, const char *pszName, RTUINTPTR cbSeg, uint32_t fFlags);
955
956	RTDECL(int) RTDbgModCreateFromImage(PRTDBGMOD phDbgMod, const char pszFilename, const char pszName,
957	RTLDRARCH enmArch, RTDBGCFG hDbgCfg);
958	RTDECL(int) RTDbgModCreateFromMap(PRTDBGMOD phDbgMod, const char pszFilename, const char pszName, RTUINTPTR uSubtrahend,
959	RTDBGCFG hDbgCfg);
960	RTDECL(int) RTDbgModCreateFromPeImage(PRTDBGMOD phDbgMod, const char pszFilename, const char pszName, RTLDRMOD hLdrMod,
961	uint32_t cbImage, uint32_t uTimeDateStamp, RTDBGCFG hDbgCfg);
962	RTDECL(int) RTDbgModCreateFromDbg(PRTDBGMOD phDbgMod, const char pszFilename, const char pszName, uint32_t cbImage,
963	uint32_t uTimeDateStamp, RTDBGCFG hDbgCfg);
964	RTDECL(int) RTDbgModCreateFromPdb(PRTDBGMOD phDbgMod, const char pszFilename, const char pszName, uint32_t cbImage,
965	PCRTUUID pUuid, uint32_t Age, RTDBGCFG hDbgCfg);
966	RTDECL(int) RTDbgModCreateFromDwo(PRTDBGMOD phDbgMod, const char pszFilename, const char pszName, uint32_t cbImage,
967	uint32_t uCrc32, RTDBGCFG hDbgCfg);
968	RTDECL(int) RTDbgModCreateFromMachOImage(PRTDBGMOD phDbgMod, const char pszFilename, const char pszName,
969	RTLDRARCH enmArch, uint32_t cbImage, uint32_t cSegs, PCRTDBGSEGMENT paSegs,
970	PCRTUUID pUuid, RTDBGCFG hDbgCfg, uint32_t fFlags);
971
972	/** @name Flags for RTDbgModCreate and friends.
973	* @{ */
974	/** Overrides the hDbgCfg settings and forces an image and/or symbol file
975	* search. RTDbgModCreate will quietly ignore this flag. */
976	#define RTDBGMOD_F_NOT_DEFERRED RT_BIT_32(0)
977	/** @} */
978
979
980	/**
981	* Retains another reference to the module.
982	*
983	* @returns New reference count, UINT32_MAX on invalid handle (asserted).
984	*
985	* @param hDbgMod The module handle.
986	*
987	* @remarks Will not take any locks.
988	*/
989	RTDECL(uint32_t) RTDbgModRetain(RTDBGMOD hDbgMod);
990
991	/**
992	* Release a reference to the module.
993	*
994	* When the reference count reaches zero, the module is destroyed.
995	*
996	* @returns New reference count, UINT32_MAX on invalid handle (asserted).
997	*
998	* @param hDbgMod The module handle. The NIL handle is quietly ignored
999	* and 0 is returned.
1000	*
1001	* @remarks Will not take any locks.
1002	*/
1003	RTDECL(uint32_t) RTDbgModRelease(RTDBGMOD hDbgMod);
1004
1005	/**
1006	* Removes all content from the debug module (container), optionally only
1007	* leaving segments and image size intact.
1008	*
1009	* This is only possible on container modules, i.e. created by RTDbgModCreate().
1010	*
1011	* @returns IPRT status code.
1012	* @param hDbgMod The module handle.
1013	* @param fLeaveSegments Whether to leave segments (and image size) as is.
1014	*/
1015	RTDECL(int) RTDbgModRemoveAll(RTDBGMOD hDbgMod, bool fLeaveSegments);
1016
1017	/**
1018	* Gets the module name.
1019	*
1020	* @returns Pointer to a read only string containing the name.
1021	*
1022	* @param hDbgMod The module handle.
1023	*/
1024	RTDECL(const char *) RTDbgModName(RTDBGMOD hDbgMod);
1025
1026	/**
1027	* Gets the name of the debug info file we're using.
1028	*
1029	* @returns Pointer to a read only string containing the filename, NULL if we
1030	* don't use one.
1031	*
1032	* @param hDbgMod The module handle.
1033	*/
1034	RTDECL(const char *) RTDbgModDebugFile(RTDBGMOD hDbgMod);
1035
1036	/**
1037	* Gets the image filename (as specified by the user).
1038	*
1039	* @returns Pointer to a read only string containing the filename.
1040	*
1041	* @param hDbgMod The module handle.
1042	*/
1043	RTDECL(const char *) RTDbgModImageFile(RTDBGMOD hDbgMod);
1044
1045	/**
1046	* Gets the image filename actually used if it differs from RTDbgModImageFile.
1047	*
1048	* @returns Pointer to a read only string containing the filename, NULL if same
1049	* as RTDBgModImageFile.
1050	*
1051	* @param hDbgMod The module handle.
1052	*/
1053	RTDECL(const char *) RTDbgModImageFileUsed(RTDBGMOD hDbgMod);
1054
1055	/**
1056	* Checks if the loading of the debug info has been postponed.
1057	*
1058	* @returns true if postponed, false if not or invalid handle.
1059	* @param hDbgMod The module handle.
1060	*/
1061	RTDECL(bool) RTDbgModIsDeferred(RTDBGMOD hDbgMod);
1062
1063	/**
1064	* Checks if the debug info is exports only.
1065	*
1066	* @returns true if exports only, false if not or invalid handle.
1067	* @param hDbgMod The module handle.
1068	*/
1069	RTDECL(bool) RTDbgModIsExports(RTDBGMOD hDbgMod);
1070
1071	/**
1072	* Converts an image relative address to a segment:offset address.
1073	*
1074	* @returns Segment index on success.
1075	* NIL_RTDBGSEGIDX is returned if the module handle or the RVA are
1076	* invalid.
1077	*
1078	* @param hDbgMod The module handle.
1079	* @param uRva The image relative address to convert.
1080	* @param poffSeg Where to return the segment offset. Optional.
1081	*/
1082	RTDECL(RTDBGSEGIDX) RTDbgModRvaToSegOff(RTDBGMOD hDbgMod, RTUINTPTR uRva, PRTUINTPTR poffSeg);
1083
1084	/**
1085	* Image size when mapped if segments are mapped adjacently.
1086	*
1087	* For ELF, PE, and Mach-O images this is (usually) a natural query, for LX and
1088	* NE and such it's a bit odder and the answer may not make much sense for them.
1089	*
1090	* @returns Image mapped size.
1091	* RTUINTPTR_MAX is returned if the handle is invalid.
1092	*
1093	* @param hDbgMod The module handle.
1094	*/
1095	RTDECL(RTUINTPTR) RTDbgModImageSize(RTDBGMOD hDbgMod);
1096
1097	/**
1098	* Gets the module tag value if any.
1099	*
1100	* @returns The tag. 0 if hDbgMod is invalid.
1101	*
1102	* @param hDbgMod The module handle.
1103	*/
1104	RTDECL(uint64_t) RTDbgModGetTag(RTDBGMOD hDbgMod);
1105
1106	/**
1107	* Tags or untags the module.
1108	*
1109	* @returns IPRT status code.
1110	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1111	*
1112	* @param hDbgMod The module handle.
1113	* @param uTag The tag value. The convention is that 0 is no tag
1114	* and any other value means it's tagged. It's adviced
1115	* to use some kind of unique number like an address
1116	* (global or string cache for instance) to avoid
1117	* collisions with other users
1118	*/
1119	RTDECL(int) RTDbgModSetTag(RTDBGMOD hDbgMod, uint64_t uTag);
1120
1121
1122	/**
1123	* Adds a segment to the module. Optional feature.
1124	*
1125	* This method is intended used for manually constructing debug info for a
1126	* module. The main usage is from other debug info interpreters that want to
1127	* avoid writing a debug info database and instead uses the standard container
1128	* behind the scenes.
1129	*
1130	* @returns IPRT status code.
1131	* @retval VERR_NOT_SUPPORTED if this feature isn't support by the debug info
1132	* interpreter. This is a common return code.
1133	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1134	* @retval VERR_DBG_ADDRESS_WRAP if uRva+cb wraps around.
1135	* @retval VERR_DBG_SEGMENT_NAME_OUT_OF_RANGE if pszName is too short or long.
1136	* @retval VERR_INVALID_PARAMETER if fFlags contains undefined flags.
1137	* @retval VERR_DBG_SPECIAL_SEGMENT if *piSeg is a special segment.
1138	* @retval VERR_DBG_INVALID_SEGMENT_INDEX if *piSeg doesn't meet expectations.
1139	*
1140	* @param hDbgMod The module handle.
1141	* @param uRva The image relative address of the segment.
1142	* @param cb The size of the segment.
1143	* @param pszName The segment name. Does not normally need to be
1144	* unique, although this is somewhat up to the
1145	* debug interpreter to decide.
1146	* @param fFlags Segment flags. Reserved for future used, MBZ.
1147	* @param piSeg The segment index or NIL_RTDBGSEGIDX on input.
1148	* The assigned segment index on successful return.
1149	* Optional.
1150	*/
1151	RTDECL(int) RTDbgModSegmentAdd(RTDBGMOD hDbgMod, RTUINTPTR uRva, RTUINTPTR cb, const char *pszName,
1152	uint32_t fFlags, PRTDBGSEGIDX piSeg);
1153
1154	/**
1155	* Gets the number of segments in the module.
1156	*
1157	* This is can be used to determine the range which can be passed to
1158	* RTDbgModSegmentByIndex and derivates.
1159	*
1160	* @returns The segment relative address.
1161	* NIL_RTDBGSEGIDX if the handle is invalid.
1162	*
1163	* @param hDbgMod The module handle.
1164	*/
1165	RTDECL(RTDBGSEGIDX) RTDbgModSegmentCount(RTDBGMOD hDbgMod);
1166
1167	/**
1168	* Query information about a segment.
1169	*
1170	* This can be used together with RTDbgModSegmentCount to enumerate segments.
1171	* The index starts a 0 and stops one below RTDbgModSegmentCount.
1172	*
1173	* @returns IPRT status code.
1174	* @retval VERR_DBG_INVALID_SEGMENT_INDEX if iSeg is too high.
1175	* @retval VERR_DBG_SPECIAL_SEGMENT if iSeg indicates a special segment.
1176	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1177	*
1178	* @param hDbgMod The module handle.
1179	* @param iSeg The segment index. No special segments.
1180	* @param pSegInfo Where to return the segment info. The
1181	* RTDBGSEGMENT::Address member will be set to
1182	* RTUINTPTR_MAX or the load address used at link time.
1183	*/
1184	RTDECL(int) RTDbgModSegmentByIndex(RTDBGMOD hDbgMod, RTDBGSEGIDX iSeg, PRTDBGSEGMENT pSegInfo);
1185
1186	/**
1187	* Gets the size of a segment.
1188	*
1189	* This is a just a wrapper around RTDbgModSegmentByIndex.
1190	*
1191	* @returns The segment size.
1192	* RTUINTPTR_MAX is returned if either the handle and segment index are
1193	* invalid.
1194	*
1195	* @param hDbgMod The module handle.
1196	* @param iSeg The segment index. RTDBGSEGIDX_ABS is not allowed.
1197	* If RTDBGSEGIDX_RVA is used, the functions returns
1198	* the same value as RTDbgModImageSize.
1199	*/
1200	RTDECL(RTUINTPTR) RTDbgModSegmentSize(RTDBGMOD hDbgMod, RTDBGSEGIDX iSeg);
1201
1202	/**
1203	* Gets the image relative address of a segment.
1204	*
1205	* This is a just a wrapper around RTDbgModSegmentByIndex.
1206	*
1207	* @returns The segment relative address.
1208	* RTUINTPTR_MAX is returned if either the handle and segment index are
1209	* invalid.
1210	*
1211	* @param hDbgMod The module handle.
1212	* @param iSeg The segment index. No special segment indexes
1213	* allowed (asserted).
1214	*/
1215	RTDECL(RTUINTPTR) RTDbgModSegmentRva(RTDBGMOD hDbgMod, RTDBGSEGIDX iSeg);
1216
1217
1218	/**
1219	* Adds a line number to the module.
1220	*
1221	* @returns IPRT status code.
1222	* @retval VERR_NOT_SUPPORTED if the module interpret doesn't support adding
1223	* custom symbols. This is a common place occurrence.
1224	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1225	* @retval VERR_DBG_SYMBOL_NAME_OUT_OF_RANGE if the symbol name is too long or
1226	* short.
1227	* @retval VERR_DBG_INVALID_RVA if an image relative address is specified and
1228	* it's not inside any of the segments defined by the module.
1229	* @retval VERR_DBG_INVALID_SEGMENT_INDEX if the segment index isn't valid.
1230	* @retval VERR_DBG_INVALID_SEGMENT_OFFSET if the segment offset is beyond the
1231	* end of the segment.
1232	* @retval VERR_DBG_ADDRESS_WRAP if off+cb wraps around.
1233	* @retval VERR_INVALID_PARAMETER if the symbol flags sets undefined bits.
1234	*
1235	* @param hDbgMod The module handle.
1236	* @param pszSymbol The symbol name.
1237	* @param iSeg The segment index.
1238	* @param off The segment offset.
1239	* @param cb The size of the symbol. Can be zero, although this
1240	* may depend somewhat on the debug interpreter.
1241	* @param fFlags Symbol flags. Reserved for the future, MBZ.
1242	* @param piOrdinal Where to return the symbol ordinal on success. If
1243	* the interpreter doesn't do ordinals, this will be set to
1244	* UINT32_MAX. Optional.
1245	*/
1246	RTDECL(int) RTDbgModSymbolAdd(RTDBGMOD hDbgMod, const char *pszSymbol, RTDBGSEGIDX iSeg, RTUINTPTR off,
1247	RTUINTPTR cb, uint32_t fFlags, uint32_t *piOrdinal);
1248
1249	/**
1250	* Gets the symbol count.
1251	*
1252	* This can be used together wtih RTDbgModSymbolByOrdinal or
1253	* RTDbgModSymbolByOrdinalA to enumerate all the symbols.
1254	*
1255	* @returns The number of symbols in the module.
1256	* UINT32_MAX is returned if the module handle is invalid or some other
1257	* error occurs.
1258	*
1259	* @param hDbgMod The module handle.
1260	*/
1261	RTDECL(uint32_t) RTDbgModSymbolCount(RTDBGMOD hDbgMod);
1262
1263	/**
1264	* Queries symbol information by ordinal number.
1265	*
1266	* @returns IPRT status code.
1267	* @retval VERR_SYMBOL_NOT_FOUND if there is no symbol at the given number.
1268	* @retval VERR_DBG_NO_SYMBOLS if there aren't any symbols.
1269	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1270	* @retval VERR_NOT_SUPPORTED if lookup by ordinal is not supported.
1271	*
1272	* @param hDbgMod The module handle.
1273	* @param iOrdinal The symbol ordinal number. 0-based. The highest
1274	* number is RTDbgModSymbolCount() - 1.
1275	* @param pSymInfo Where to store the symbol information.
1276	*/
1277	RTDECL(int) RTDbgModSymbolByOrdinal(RTDBGMOD hDbgMod, uint32_t iOrdinal, PRTDBGSYMBOL pSymInfo);
1278
1279	/**
1280	* Queries symbol information by ordinal number.
1281	*
1282	* @returns IPRT status code.
1283	* @retval VERR_DBG_NO_SYMBOLS if there aren't any symbols.
1284	* @retval VERR_NOT_SUPPORTED if lookup by ordinal is not supported.
1285	* @retval VERR_SYMBOL_NOT_FOUND if there is no symbol at the given number.
1286	* @retval VERR_NO_MEMORY if RTDbgSymbolAlloc fails.
1287	*
1288	* @param hDbgMod The module handle.
1289	* @param iOrdinal The symbol ordinal number. 0-based. The highest
1290	* number is RTDbgModSymbolCount() - 1.
1291	* @param ppSymInfo Where to store the pointer to the returned
1292	* symbol information. Always set. Free with
1293	* RTDbgSymbolFree.
1294	*/
1295	RTDECL(int) RTDbgModSymbolByOrdinalA(RTDBGMOD hDbgMod, uint32_t iOrdinal, PRTDBGSYMBOL *ppSymInfo);
1296
1297	/**
1298	* Queries symbol information by address.
1299	*
1300	* The returned symbol is what the debug info interpreter considers the symbol
1301	* most applicable to the specified address. This usually means a symbol with an
1302	* address equal or lower than the requested.
1303	*
1304	* @returns IPRT status code.
1305	* @retval VERR_SYMBOL_NOT_FOUND if no suitable symbol was found.
1306	* @retval VERR_DBG_NO_SYMBOLS if there aren't any symbols.
1307	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1308	* @retval VERR_DBG_INVALID_RVA if an image relative address is specified and
1309	* it's not inside any of the segments defined by the module.
1310	* @retval VERR_DBG_INVALID_SEGMENT_INDEX if the segment index isn't valid.
1311	* @retval VERR_DBG_INVALID_SEGMENT_OFFSET if the segment offset is beyond the
1312	* end of the segment.
1313	* @retval VERR_INVALID_PARAMETER if incorrect flags.
1314	*
1315	* @param hDbgMod The module handle.
1316	* @param iSeg The segment number.
1317	* @param off The offset into the segment.
1318	* @param fFlags Symbol search flags, see RTDBGSYMADDR_FLAGS_XXX.
1319	* @param poffDisp Where to store the distance between the
1320	* specified address and the returned symbol.
1321	* Optional.
1322	* @param pSymInfo Where to store the symbol information.
1323	*/
1324	RTDECL(int) RTDbgModSymbolByAddr(RTDBGMOD hDbgMod, RTDBGSEGIDX iSeg, RTUINTPTR off, uint32_t fFlags,
1325	PRTINTPTR poffDisp, PRTDBGSYMBOL pSymInfo);
1326
1327	/**
1328	* Queries symbol information by address.
1329	*
1330	* The returned symbol is what the debug info interpreter considers the symbol
1331	* most applicable to the specified address. This usually means a symbol with an
1332	* address equal or lower than the requested.
1333	*
1334	* @returns IPRT status code.
1335	* @retval VERR_SYMBOL_NOT_FOUND if no suitable symbol was found.
1336	* @retval VERR_DBG_NO_SYMBOLS if there aren't any symbols.
1337	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1338	* @retval VERR_DBG_INVALID_RVA if an image relative address is specified and
1339	* it's not inside any of the segments defined by the module.
1340	* @retval VERR_DBG_INVALID_SEGMENT_INDEX if the segment index isn't valid.
1341	* @retval VERR_DBG_INVALID_SEGMENT_OFFSET if the segment offset is beyond the
1342	* end of the segment.
1343	* @retval VERR_NO_MEMORY if RTDbgSymbolAlloc fails.
1344	* @retval VERR_INVALID_PARAMETER if incorrect flags.
1345	*
1346	* @param hDbgMod The module handle.
1347	* @param iSeg The segment index.
1348	* @param off The offset into the segment.
1349	* @param fFlags Symbol search flags, see RTDBGSYMADDR_FLAGS_XXX.
1350	* @param poffDisp Where to store the distance between the
1351	* specified address and the returned symbol. Optional.
1352	* @param ppSymInfo Where to store the pointer to the returned
1353	* symbol information. Always set. Free with
1354	* RTDbgSymbolFree.
1355	*/
1356	RTDECL(int) RTDbgModSymbolByAddrA(RTDBGMOD hDbgMod, RTDBGSEGIDX iSeg, RTUINTPTR off, uint32_t fFlags,
1357	PRTINTPTR poffDisp, PRTDBGSYMBOL *ppSymInfo);
1358
1359	/**
1360	* Queries symbol information by symbol name.
1361	*
1362	* @returns IPRT status code.
1363	* @retval VERR_DBG_NO_SYMBOLS if there aren't any symbols.
1364	* @retval VERR_SYMBOL_NOT_FOUND if no suitable symbol was found.
1365	* @retval VERR_DBG_SYMBOL_NAME_OUT_OF_RANGE if the symbol name is too long or
1366	* short.
1367	*
1368	* @param hDbgMod The module handle.
1369	* @param pszSymbol The symbol name.
1370	* @param pSymInfo Where to store the symbol information.
1371	*/
1372	RTDECL(int) RTDbgModSymbolByName(RTDBGMOD hDbgMod, const char *pszSymbol, PRTDBGSYMBOL pSymInfo);
1373
1374	/**
1375	* Queries symbol information by symbol name.
1376	*
1377	* @returns IPRT status code.
1378	* @retval VERR_DBG_NO_SYMBOLS if there aren't any symbols.
1379	* @retval VERR_SYMBOL_NOT_FOUND if no suitable symbol was found.
1380	* @retval VERR_DBG_SYMBOL_NAME_OUT_OF_RANGE if the symbol name is too long or
1381	* short.
1382	* @retval VERR_NO_MEMORY if RTDbgSymbolAlloc fails.
1383	*
1384	* @param hDbgMod The module handle.
1385	* @param pszSymbol The symbol name.
1386	* @param ppSymInfo Where to store the pointer to the returned
1387	* symbol information. Always set. Free with
1388	* RTDbgSymbolFree.
1389	*/
1390	RTDECL(int) RTDbgModSymbolByNameA(RTDBGMOD hDbgMod, const char pszSymbol, PRTDBGSYMBOL ppSymInfo);
1391
1392	/**
1393	* Adds a line number to the module.
1394	*
1395	* @returns IPRT status code.
1396	* @retval VERR_NOT_SUPPORTED if the module interpret doesn't support adding
1397	* custom symbols. This should be consider a normal response.
1398	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1399	* @retval VERR_DBG_FILE_NAME_OUT_OF_RANGE if the file name is too longer or
1400	* empty.
1401	* @retval VERR_DBG_INVALID_RVA if an image relative address is specified and
1402	* it's not inside any of the segments defined by the module.
1403	* @retval VERR_DBG_INVALID_SEGMENT_INDEX if the segment index isn't valid.
1404	* @retval VERR_DBG_INVALID_SEGMENT_OFFSET if the segment offset is beyond the
1405	* end of the segment.
1406	* @retval VERR_INVALID_PARAMETER if the line number flags sets undefined bits.
1407	*
1408	* @param hDbgMod The module handle.
1409	* @param pszFile The file name.
1410	* @param uLineNo The line number.
1411	* @param iSeg The segment index.
1412	* @param off The segment offset.
1413	* @param piOrdinal Where to return the line number ordinal on
1414	* success. If the interpreter doesn't do ordinals,
1415	* this will be set to UINT32_MAX. Optional.
1416	*/
1417	RTDECL(int) RTDbgModLineAdd(RTDBGMOD hDbgMod, const char *pszFile, uint32_t uLineNo,
1418	RTDBGSEGIDX iSeg, RTUINTPTR off, uint32_t *piOrdinal);
1419
1420	/**
1421	* Gets the line number count.
1422	*
1423	* This can be used together wtih RTDbgModLineByOrdinal or RTDbgModSymbolByLineA
1424	* to enumerate all the line number information.
1425	*
1426	* @returns The number of line numbers in the module.
1427	* UINT32_MAX is returned if the module handle is invalid or some other
1428	* error occurs.
1429	*
1430	* @param hDbgMod The module handle.
1431	*/
1432	RTDECL(uint32_t) RTDbgModLineCount(RTDBGMOD hDbgMod);
1433
1434	/**
1435	* Queries line number information by ordinal number.
1436	*
1437	* This can be used to enumerate the line numbers for the module. Use
1438	* RTDbgModLineCount() to figure the end of the ordinals.
1439	*
1440	* @returns IPRT status code.
1441	* @retval VERR_DBG_NO_LINE_NUMBERS if there aren't any line numbers.
1442	* @retval VERR_DBG_LINE_NOT_FOUND if there is no line number with that
1443	* ordinal.
1444	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1445
1446	* @param hDbgMod The module handle.
1447	* @param iOrdinal The line number ordinal number.
1448	* @param pLineInfo Where to store the information about the line
1449	* number.
1450	*/
1451	RTDECL(int) RTDbgModLineByOrdinal(RTDBGMOD hDbgMod, uint32_t iOrdinal, PRTDBGLINE pLineInfo);
1452
1453	/**
1454	* Queries line number information by ordinal number.
1455	*
1456	* This can be used to enumerate the line numbers for the module. Use
1457	* RTDbgModLineCount() to figure the end of the ordinals.
1458	*
1459	* @returns IPRT status code.
1460	* @retval VERR_DBG_NO_LINE_NUMBERS if there aren't any line numbers.
1461	* @retval VERR_DBG_LINE_NOT_FOUND if there is no line number with that
1462	* ordinal.
1463	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1464	* @retval VERR_NO_MEMORY if RTDbgLineAlloc fails.
1465	*
1466	* @param hDbgMod The module handle.
1467	* @param iOrdinal The line number ordinal number.
1468	* @param ppLineInfo Where to store the pointer to the returned line
1469	* number information. Always set. Free with
1470	* RTDbgLineFree.
1471	*/
1472	RTDECL(int) RTDbgModLineByOrdinalA(RTDBGMOD hDbgMod, uint32_t iOrdinal, PRTDBGLINE *ppLineInfo);
1473
1474	/**
1475	* Queries line number information by address.
1476	*
1477	* The returned line number is what the debug info interpreter considers the
1478	* one most applicable to the specified address. This usually means a line
1479	* number with an address equal or lower than the requested.
1480	*
1481	* @returns IPRT status code.
1482	* @retval VERR_DBG_NO_LINE_NUMBERS if there aren't any line numbers.
1483	* @retval VERR_DBG_LINE_NOT_FOUND if no suitable line number was found.
1484	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1485	* @retval VERR_DBG_INVALID_RVA if an image relative address is specified and
1486	* it's not inside any of the segments defined by the module.
1487	* @retval VERR_DBG_INVALID_SEGMENT_INDEX if the segment index isn't valid.
1488	* @retval VERR_DBG_INVALID_SEGMENT_OFFSET if the segment offset is beyond the
1489	* end of the segment.
1490	*
1491	* @param hDbgMod The module handle.
1492	* @param iSeg The segment number.
1493	* @param off The offset into the segment.
1494	* @param poffDisp Where to store the distance between the
1495	* specified address and the returned symbol.
1496	* Optional.
1497	* @param pLineInfo Where to store the line number information.
1498	*/
1499	RTDECL(int) RTDbgModLineByAddr(RTDBGMOD hDbgMod, RTDBGSEGIDX iSeg, RTUINTPTR off, PRTINTPTR poffDisp, PRTDBGLINE pLineInfo);
1500
1501	/**
1502	* Queries line number information by address.
1503	*
1504	* The returned line number is what the debug info interpreter considers the
1505	* one most applicable to the specified address. This usually means a line
1506	* number with an address equal or lower than the requested.
1507	*
1508	* @returns IPRT status code.
1509	* @retval VERR_DBG_NO_LINE_NUMBERS if there aren't any line numbers.
1510	* @retval VERR_DBG_LINE_NOT_FOUND if no suitable line number was found.
1511	* @retval VERR_INVALID_HANDLE if hDbgMod is invalid.
1512	* @retval VERR_DBG_INVALID_RVA if an image relative address is specified and
1513	* it's not inside any of the segments defined by the module.
1514	* @retval VERR_DBG_INVALID_SEGMENT_INDEX if the segment index isn't valid.
1515	* @retval VERR_DBG_INVALID_SEGMENT_OFFSET if the segment offset is beyond the
1516	* end of the segment.
1517	* @retval VERR_NO_MEMORY if RTDbgLineAlloc fails.
1518	*
1519	* @param hDbgMod The module handle.
1520	* @param iSeg The segment number.
1521	* @param off The offset into the segment.
1522	* @param poffDisp Where to store the distance between the
1523	* specified address and the returned symbol.
1524	* Optional.
1525	* @param ppLineInfo Where to store the pointer to the returned line
1526	* number information. Always set. Free with
1527	* RTDbgLineFree.
1528	*/
1529	RTDECL(int) RTDbgModLineByAddrA(RTDBGMOD hDbgMod, RTDBGSEGIDX iSeg, RTUINTPTR off, PRTINTPTR poffDisp, PRTDBGLINE *ppLineInfo);
1530	/** @} */
1531
1532	# endif /* IN_RING3 */
1533
1534
1535	/** @name Kernel Debug Info API
1536	*
1537	* This is a specialized API for obtaining symbols and structure information
1538	* about the running kernel. It is relatively OS specific. Its purpose and
1539	* operation is doesn't map all that well onto RTDbgMod, so a few dedicated
1540	* functions was created for it.
1541	*
1542	* @{ */
1543
1544	/** Handle to the kernel debug info. */
1545	typedef struct RTDBGKRNLINFOINT *RTDBGKRNLINFO;
1546	/** Pointer to a kernel debug info handle. */
1547	typedef RTDBGKRNLINFO *PRTDBGKRNLINFO;
1548	/** Nil kernel debug info handle. */
1549	#define NIL_RTDBGKRNLINFO ((RTDBGKRNLINFO)0)
1550
1551	/**
1552	* Opens the kernel debug info.
1553	*
1554	* @returns IPRT status code. Can fail for any number of reasons.
1555	*
1556	* @param phKrnlInfo Where to return the kernel debug info handle on
1557	* success.
1558	* @param fFlags Flags reserved for future use. Must be zero.
1559	*/
1560	RTR0DECL(int) RTR0DbgKrnlInfoOpen(PRTDBGKRNLINFO phKrnlInfo, uint32_t fFlags);
1561
1562	/**
1563	* Retains a reference to the kernel debug info handle.
1564	*
1565	* @returns New reference count, UINT32_MAX on invalid handle (asserted).
1566	* @param hKrnlInfo The kernel info handle.
1567	*/
1568	RTR0DECL(uint32_t) RTR0DbgKrnlInfoRetain(RTDBGKRNLINFO hKrnlInfo);
1569
1570
1571	/**
1572	* Releases a reference to the kernel debug info handle, destroying it when the
1573	* counter reaches zero.
1574	*
1575	* @returns New reference count, UINT32_MAX on invalid handle (asserted).
1576	* @param hKrnlInfo The kernel info handle. NIL_RTDBGKRNLINFO is
1577	* quietly ignored.
1578	*/
1579	RTR0DECL(uint32_t) RTR0DbgKrnlInfoRelease(RTDBGKRNLINFO hKrnlInfo);
1580
1581	/**
1582	* Queries the offset (in bytes) of a member of a kernel structure.
1583	*
1584	* @returns IPRT status code.
1585	* @retval VINF_SUCCESS and offset at @a poffMember.
1586	* @retval VERR_NOT_FOUND if the structure or the member was not found.
1587	* @retval VERR_INVALID_HANDLE if hKrnlInfo is bad.
1588	* @retval VERR_INVALID_POINTER if any of the pointers are bad.
1589	*
1590	* @param hKrnlInfo The kernel info handle.
1591	* @param pszStructure The structure name.
1592	* @param pszMember The member name.
1593	* @param poffMember Where to return the offset.
1594	*/
1595	RTR0DECL(int) RTR0DbgKrnlInfoQueryMember(RTDBGKRNLINFO hKrnlInfo, const char *pszStructure,
1596	const char pszMember, size_t poffMember);
1597
1598
1599	/**
1600	* Queries the value (usually the address) of a kernel symbol.
1601	*
1602	* This may go looking for the symbol in other modules, in which case it will
1603	* always check the kernel symbol table first.
1604	*
1605	* @returns IPRT status code.
1606	* @retval VINF_SUCCESS and value at @a ppvSymbol.
1607	* @retval VERR_SYMBOL_NOT_FOUND
1608	* @retval VERR_INVALID_HANDLE if hKrnlInfo is bad.
1609	* @retval VERR_INVALID_POINTER if any of the pointers are bad.
1610	*
1611	* @param hKrnlInfo The kernel info handle.
1612	* @param pszModule Reserved for future extensions. Pass NULL.
1613	* @param pszSymbol The C name of the symbol.
1614	* @param ppvSymbol Where to return the symbol value, passing NULL is
1615	* OK. This may be modified even on failure, in
1616	* particular, it will be set to NULL when
1617	* VERR_SYMBOL_NOT_FOUND is returned.
1618	*
1619	* @sa RTLdrGetSymbol.
1620	*/
1621	RTR0DECL(int) RTR0DbgKrnlInfoQuerySymbol(RTDBGKRNLINFO hKrnlInfo, const char *pszModule,
1622	const char pszSymbol, void *ppvSymbol);
1623	/** @} */
1624
1625	/** @} */
1626
1627	RT_C_DECLS_END
1628
1629	#endif
1630

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source: vbox/trunk/include/iprt/dbg.h@ 50003

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