ldr.h@ 57004

Last change on this file since 57004 was 56309, checked in by vboxsync, 9 years ago
RTLdrLoad[Ex]/NT: Reimplemented backend with proper unicode conversion and added RTLDRLOAD_FLAGS_NT_SEARCH_DLL_LOAD_DIR flag.
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1	/** @file
2	* IPRT - Loader.
3	*/
4
5	/*
6	* Copyright (C) 2006-2015 Oracle Corporation
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*/
25
26	#ifndef ___iprt_ldr_h
27	#define ___iprt_ldr_h
28
29	#include <iprt/cdefs.h>
30	#include <iprt/types.h>
31
32
33	/** @defgroup grp_ldr RTLdr - Loader
34	* @ingroup grp_rt
35	* @{
36	*/
37
38
39	RT_C_DECLS_BEGIN
40
41	/** Loader address (unsigned integer). */
42	typedef RTUINTPTR RTLDRADDR;
43	/** Pointer to a loader address. */
44	typedef RTLDRADDR *PRTLDRADDR;
45	/** Pointer to a const loader address. */
46	typedef RTLDRADDR const *PCRTLDRADDR;
47	/** The max loader address value. */
48	#define RTLDRADDR_MAX RTUINTPTR_MAX
49	/** NIL loader address value. */
50	#define NIL_RTLDRADDR RTLDRADDR_MAX
51
52
53	/**
54	* Loader module format.
55	*/
56	typedef enum RTLDRFMT
57	{
58	/** The usual invalid 0 format. */
59	RTLDRFMT_INVALID = 0,
60	/** The native OS loader. */
61	RTLDRFMT_NATIVE,
62	/** The AOUT loader. */
63	RTLDRFMT_AOUT,
64	/** The ELF loader. */
65	RTLDRFMT_ELF,
66	/** The LX loader. */
67	RTLDRFMT_LX,
68	/** The Mach-O loader. */
69	RTLDRFMT_MACHO,
70	/** The PE loader. */
71	RTLDRFMT_PE,
72	/** The end of the valid format values (exclusive). */
73	RTLDRFMT_END,
74	/** Hack to blow the type up to 32-bit. */
75	RTLDRFMT_32BIT_HACK = 0x7fffffff
76	} RTLDRFMT;
77
78
79	/**
80	* Loader module type.
81	*/
82	typedef enum RTLDRTYPE
83	{
84	/** The usual invalid 0 type. */
85	RTLDRTYPE_INVALID = 0,
86	/** Object file. */
87	RTLDRTYPE_OBJECT,
88	/** Executable module, fixed load address. */
89	RTLDRTYPE_EXECUTABLE_FIXED,
90	/** Executable module, relocatable, non-fixed load address. */
91	RTLDRTYPE_EXECUTABLE_RELOCATABLE,
92	/** Executable module, position independent code, non-fixed load address. */
93	RTLDRTYPE_EXECUTABLE_PIC,
94	/** Shared library, fixed load address.
95	* Typically a system library. */
96	RTLDRTYPE_SHARED_LIBRARY_FIXED,
97	/** Shared library, relocatable, non-fixed load address. */
98	RTLDRTYPE_SHARED_LIBRARY_RELOCATABLE,
99	/** Shared library, position independent code, non-fixed load address. */
100	RTLDRTYPE_SHARED_LIBRARY_PIC,
101	/** DLL that contains no code or data only imports and exports. (Chiefly OS/2.) */
102	RTLDRTYPE_FORWARDER_DLL,
103	/** Core or dump. */
104	RTLDRTYPE_CORE,
105	/** Debug module (debug info with empty code & data segments). */
106	RTLDRTYPE_DEBUG_INFO,
107	/** The end of the valid types values (exclusive). */
108	RTLDRTYPE_END,
109	/** Hack to blow the type up to 32-bit. */
110	RTLDRTYPE_32BIT_HACK = 0x7fffffff
111	} RTLDRTYPE;
112
113
114	/**
115	* Loader endian indicator.
116	*/
117	typedef enum RTLDRENDIAN
118	{
119	/** The usual invalid endian. */
120	RTLDRENDIAN_INVALID,
121	/** Little endian. */
122	RTLDRENDIAN_LITTLE,
123	/** Bit endian. */
124	RTLDRENDIAN_BIG,
125	/** Endianness doesn't have a meaning in the context. */
126	RTLDRENDIAN_NA,
127	/** The end of the valid endian values (exclusive). */
128	RTLDRENDIAN_END,
129	/** Hack to blow the type up to 32-bit. */
130	RTLDRENDIAN_32BIT_HACK = 0x7fffffff
131	} RTLDRENDIAN;
132
133
134	/** Pointer to a loader reader instance. */
135	typedef struct RTLDRREADER *PRTLDRREADER;
136	/**
137	* Loader image reader instance.
138	*
139	* @remarks The reader will typically have a larger structure wrapping this one
140	* for storing necessary instance variables.
141	*
142	* The loader ASSUMES the caller serializes all access to the
143	* individual loader module handlers, thus no serialization is required
144	* when implementing this interface.
145	*/
146	typedef struct RTLDRREADER
147	{
148	/** Magic value (RTLDRREADER_MAGIC). */
149	uintptr_t uMagic;
150
151	/**
152	* Reads bytes at a give place in the raw image.
153	*
154	* @returns iprt status code.
155	* @param pReader Pointer to the reader instance.
156	* @param pvBuf Where to store the bits.
157	* @param cb Number of bytes to read.
158	* @param off Where to start reading relative to the start of the raw image.
159	*/
160	DECLCALLBACKMEMBER(int, pfnRead)(PRTLDRREADER pReader, void *pvBuf, size_t cb, RTFOFF off);
161
162	/**
163	* Tells end position of last read.
164	*
165	* @returns position relative to start of the raw image.
166	* @param pReader Pointer to the reader instance.
167	*/
168	DECLCALLBACKMEMBER(RTFOFF, pfnTell)(PRTLDRREADER pReader);
169
170	/**
171	* Gets the size of the raw image bits.
172	*
173	* @returns size of raw image bits in bytes.
174	* @param pReader Pointer to the reader instance.
175	*/
176	DECLCALLBACKMEMBER(RTFOFF, pfnSize)(PRTLDRREADER pReader);
177
178	/**
179	* Map the bits into memory.
180	*
181	* The mapping will be freed upon calling pfnDestroy() if not pfnUnmap()
182	* is called before that. The mapping is read only.
183	*
184	* @returns iprt status code.
185	* @param pReader Pointer to the reader instance.
186	* @param ppvBits Where to store the address of the memory mapping on success.
187	* The size of the mapping can be obtained by calling pfnSize().
188	*/
189	DECLCALLBACKMEMBER(int, pfnMap)(PRTLDRREADER pReader, const void **ppvBits);
190
191	/**
192	* Unmap bits.
193	*
194	* @returns iprt status code.
195	* @param pReader Pointer to the reader instance.
196	* @param pvBits Memory pointer returned by pfnMap().
197	*/
198	DECLCALLBACKMEMBER(int, pfnUnmap)(PRTLDRREADER pReader, const void *pvBits);
199
200	/**
201	* Gets the most appropriate log name.
202	*
203	* @returns Pointer to readonly log name.
204	* @param pReader Pointer to the reader instance.
205	*/
206	DECLCALLBACKMEMBER(const char *, pfnLogName)(PRTLDRREADER pReader);
207
208	/**
209	* Releases all resources associated with the reader instance.
210	* The instance is invalid after this call returns.
211	*
212	* @returns iprt status code.
213	* @param pReader Pointer to the reader instance.
214	*/
215	DECLCALLBACKMEMBER(int, pfnDestroy)(PRTLDRREADER pReader);
216	} RTLDRREADER;
217
218	/** Magic value for RTLDRREADER (Gordon Matthew Thomas Sumner / Sting). */
219	#define RTLDRREADER_MAGIC UINT32_C(0x19511002)
220
221
222	/**
223	* Gets the default file suffix for DLL/SO/DYLIB/whatever.
224	*
225	* @returns The stuff (readonly).
226	*/
227	RTDECL(const char *) RTLdrGetSuff(void);
228
229	/**
230	* Checks if a library is loadable or not.
231	*
232	* This may attempt load and unload the library.
233	*
234	* @returns true/false accordingly.
235	* @param pszFilename Image filename.
236	*/
237	RTDECL(bool) RTLdrIsLoadable(const char *pszFilename);
238
239	/**
240	* Loads a dynamic load library (/shared object) image file using native
241	* OS facilities.
242	*
243	* The filename will be appended the default DLL/SO extension of
244	* the platform if it have been omitted. This means that it's not
245	* possible to load DLLs/SOs with no extension using this interface,
246	* but that's not a bad tradeoff.
247	*
248	* If no path is specified in the filename, the OS will usually search it's library
249	* path to find the image file.
250	*
251	* @returns iprt status code.
252	* @param pszFilename Image filename.
253	* @param phLdrMod Where to store the handle to the loader module.
254	*/
255	RTDECL(int) RTLdrLoad(const char *pszFilename, PRTLDRMOD phLdrMod);
256
257	/**
258	* Loads a dynamic load library (/shared object) image file using native
259	* OS facilities.
260	*
261	* The filename will be appended the default DLL/SO extension of
262	* the platform if it have been omitted. This means that it's not
263	* possible to load DLLs/SOs with no extension using this interface,
264	* but that's not a bad tradeoff.
265	*
266	* If no path is specified in the filename, the OS will usually search it's library
267	* path to find the image file.
268	*
269	* @returns iprt status code.
270	* @param pszFilename Image filename.
271	* @param phLdrMod Where to store the handle to the loader module.
272	* @param fFlags See RTLDRLOAD_FLAGS_XXX.
273	* @param pErrInfo Where to return extended error information. Optional.
274	*/
275	RTDECL(int) RTLdrLoadEx(const char *pszFilename, PRTLDRMOD phLdrMod, uint32_t fFlags, PRTERRINFO pErrInfo);
276
277	/** @defgroup RTLDRLOAD_FLAGS_XXX RTLdrLoadEx flags.
278	* @{ */
279	/** Symbols defined in this library are not made available to resolve
280	* references in subsequently loaded libraries (default). */
281	#define RTLDRLOAD_FLAGS_LOCAL UINT32_C(0)
282	/** Symbols defined in this library will be made available for symbol
283	* resolution of subsequently loaded libraries. */
284	#define RTLDRLOAD_FLAGS_GLOBAL RT_BIT_32(0)
285	/** Do not unload the library upon RTLdrClose. (For system libs.) */
286	#define RTLDRLOAD_FLAGS_NO_UNLOAD RT_BIT_32(1)
287	/** Windows/NT: Search the DLL load directory for imported DLLs - W7,
288	* Vista, and W2K8 requires KB2533623 to be installed to support this; not
289	* supported on XP, W2K3 or earlier. Ignored on other platforms. */
290	#define RTLDRLOAD_FLAGS_NT_SEARCH_DLL_LOAD_DIR RT_BIT_32(2)
291	/** The mask of valid flag bits. */
292	#define RTLDRLOAD_FLAGS_VALID_MASK UINT32_C(0x00000007)
293	/** @} */
294
295	/**
296	* Loads a dynamic load library (/shared object) image file residing in one of
297	* the default system library locations.
298	*
299	* Only the system library locations are searched. No suffix is required.
300	*
301	* @returns iprt status code.
302	* @param pszFilename Image filename. No path.
303	* @param fNoUnload Do not unload the library when RTLdrClose is called.
304	* @param phLdrMod Where to store the handle to the loaded module.
305	*/
306	RTDECL(int) RTLdrLoadSystem(const char *pszFilename, bool fNoUnload, PRTLDRMOD phLdrMod);
307
308	/**
309	* Combines RTLdrLoadSystem and RTLdrGetSymbol, with fNoUnload set to true.
310	*
311	* @returns The symbol value, NULL on failure. (If you care for a less boolean
312	* status, go thru the necessary API calls yourself.)
313	* @param pszFilename Image filename. No path.
314	* @param pszSymbol Symbol name.
315	*/
316	RTDECL(void ) RTLdrGetSystemSymbol(const char pszFilename, const char *pszSymbol);
317
318	/**
319	* Loads a dynamic load library (/shared object) image file residing in the
320	* RTPathAppPrivateArch() directory.
321	*
322	* Suffix is not required.
323	*
324	* @returns iprt status code.
325	* @param pszFilename Image filename. No path.
326	* @param phLdrMod Where to store the handle to the loaded module.
327	*/
328	RTDECL(int) RTLdrLoadAppPriv(const char *pszFilename, PRTLDRMOD phLdrMod);
329
330	/**
331	* Gets the native module handle for a module loaded by RTLdrLoad, RTLdrLoadEx,
332	* RTLdrLoadSystem, or RTLdrLoadAppPriv.
333	*
334	* @returns Native handle on success, ~(uintptr_t)0 on failure.
335	* @param hLdrMod The loader module handle.
336	*/
337	RTDECL(uintptr_t) RTLdrGetNativeHandle(RTLDRMOD hLdrMod);
338
339
340	/**
341	* Image architecuture specifier for RTLdrOpenEx.
342	*/
343	typedef enum RTLDRARCH
344	{
345	RTLDRARCH_INVALID = 0,
346	/** Whatever. */
347	RTLDRARCH_WHATEVER,
348	/** The host architecture. */
349	RTLDRARCH_HOST,
350	/** 32-bit x86. */
351	RTLDRARCH_X86_32,
352	/** AMD64 (64-bit x86 if you like). */
353	RTLDRARCH_AMD64,
354	/** End of the valid values. */
355	RTLDRARCH_END,
356	/** Make sure the type is a full 32-bit. */
357	RTLDRARCH_32BIT_HACK = 0x7fffffff
358	} RTLDRARCH;
359	/** Pointer to a RTLDRARCH. */
360	typedef RTLDRARCH *PRTLDRARCH;
361
362	/** @name RTLDR_O_XXX - RTLdrOpen flags.
363	* @{ */
364	/** Open for debugging or introspection reasons.
365	* This will skip a few of the stricter validations when loading images. */
366	#define RTLDR_O_FOR_DEBUG RT_BIT_32(0)
367	/** Open for signature validation. */
368	#define RTLDR_O_FOR_VALIDATION RT_BIT_32(1)
369	/** The arch specification is just a guideline for FAT binaries. */
370	#define RTLDR_O_WHATEVER_ARCH RT_BIT_32(2)
371	/** Ignore the architecture specification if there is no code. */
372	#define RTLDR_O_IGNORE_ARCH_IF_NO_CODE RT_BIT_32(3)
373	/** Mask of valid flags. */
374	#define RTLDR_O_VALID_MASK UINT32_C(0x0000000f)
375	/** @} */
376
377	/**
378	* Open a binary image file, extended version.
379	*
380	* @returns iprt status code.
381	* @param pszFilename Image filename.
382	* @param fFlags Valid RTLDR_O_XXX combination.
383	* @param enmArch CPU architecture specifier for the image to be loaded.
384	* @param phLdrMod Where to store the handle to the loader module.
385	*/
386	RTDECL(int) RTLdrOpen(const char *pszFilename, uint32_t fFlags, RTLDRARCH enmArch, PRTLDRMOD phLdrMod);
387
388	/**
389	* Opens a binary image file using kLdr.
390	*
391	* @returns iprt status code.
392	* @param pszFilename Image filename.
393	* @param phLdrMod Where to store the handle to the loaded module.
394	* @param fFlags Valid RTLDR_O_XXX combination.
395	* @param enmArch CPU architecture specifier for the image to be loaded.
396	* @remark Primarily for testing the loader.
397	*/
398	RTDECL(int) RTLdrOpenkLdr(const char *pszFilename, uint32_t fFlags, RTLDRARCH enmArch, PRTLDRMOD phLdrMod);
399
400	/**
401	* Open part with reader.
402	*
403	* @returns iprt status code.
404	* @param pReader The loader reader instance which will provide the raw
405	* image bits. The reader instance will be consumed on
406	* success. On failure, the caller has to do the cleaning
407	* up.
408	* @param fFlags Valid RTLDR_O_XXX combination.
409	* @param enmArch Architecture specifier.
410	* @param phMod Where to store the handle.
411	* @param pErrInfo Where to return extended error information. Optional.
412	*/
413	RTDECL(int) RTLdrOpenWithReader(PRTLDRREADER pReader, uint32_t fFlags, RTLDRARCH enmArch, PRTLDRMOD phMod, PRTERRINFO pErrInfo);
414
415	/**
416	* Called to read @a cb bytes at @a off into @a pvBuf.
417	*
418	* @returns IPRT status code
419	* @param pvBuf The output buffer.
420	* @param cb The number of bytes to read.
421	* @param off Where to start reading.
422	* @param pvUser The user parameter.
423	*/
424	typedef DECLCALLBACK(int) FNRTLDRRDRMEMREAD(void pvBuf, size_t cb, size_t off, void pvUser);
425	/** Pointer to a RTLdrOpenInMemory reader callback. */
426	typedef FNRTLDRRDRMEMREAD *PFNRTLDRRDRMEMREAD;
427
428	/**
429	* Called to when the module is unloaded (or done loading) to release resources
430	* associated with it (@a pvUser).
431	*
432	* @returns IPRT status code
433	* @param pvUser The user parameter.
434	*/
435	typedef DECLCALLBACK(void) FNRTLDRRDRMEMDTOR(void *pvUser);
436	/** Pointer to a RTLdrOpenInMemory destructor callback. */
437	typedef FNRTLDRRDRMEMDTOR *PFNRTLDRRDRMEMDTOR;
438
439	/**
440	* Open a in-memory image or an image with a custom reader callback.
441	*
442	* @returns IPRT status code.
443	* @param pszName The image name.
444	* @param fFlags Valid RTLDR_O_XXX combination.
445	* @param enmArch CPU architecture specifier for the image to be loaded.
446	* @param cbImage The size of the image (fake file).
447	* @param pfnRead The read function. If NULL is passed in, a default
448	* reader function is provided that assumes @a pvUser
449	* points to the raw image bits, at least @a cbImage of
450	* valid memory.
451	* @param pfnDtor The destructor function. If NULL is passed, a default
452	* destructor will be provided that passes @a pvUser to
453	* RTMemFree.
454	* @param pvUser The user argument or, if any of the callbacks are NULL,
455	* a pointer to a memory block.
456	* @param phLdrMod Where to return the module handle.
457	*
458	* @remarks With the exception of invalid @a pfnDtor and/or @a pvUser
459	* parameters, the pfnDtor methods (or the default one if NULL) will
460	* always be invoked. The destruction of pvUser is entirely in the
461	* hands of this method once it's called.
462	*/
463	RTDECL(int) RTLdrOpenInMemory(const char *pszName, uint32_t fFlags, RTLDRARCH enmArch, size_t cbImage,
464	PFNRTLDRRDRMEMREAD pfnRead, PFNRTLDRRDRMEMDTOR pfnDtor, void *pvUser,
465	PRTLDRMOD phLdrMod);
466
467	/**
468	* Closes a loader module handle.
469	*
470	* The handle can be obtained using any of the RTLdrLoad(), RTLdrOpen()
471	* and RTLdrOpenInMemory() functions.
472	*
473	* @returns iprt status code.
474	* @param hLdrMod The loader module handle.
475	*/
476	RTDECL(int) RTLdrClose(RTLDRMOD hLdrMod);
477
478	/**
479	* Gets the address of a named exported symbol.
480	*
481	* @returns iprt status code.
482	* @retval VERR_LDR_FORWARDER forwarder, use pfnQueryForwarderInfo. Buffer size
483	* hint in @a ppvValue.
484	* @param hLdrMod The loader module handle.
485	* @param pszSymbol Symbol name.
486	* @param ppvValue Where to store the symbol value. Note that this is restricted to the
487	* pointer size used on the host!
488	*/
489	RTDECL(int) RTLdrGetSymbol(RTLDRMOD hLdrMod, const char pszSymbol, void *ppvValue);
490
491	/**
492	* Gets the address of a named exported symbol.
493	*
494	* This function differs from the plain one in that it can deal with
495	* both GC and HC address sizes, and that it can calculate the symbol
496	* value relative to any given base address.
497	*
498	* @returns iprt status code.
499	* @retval VERR_LDR_FORWARDER forwarder, use pfnQueryForwarderInfo. Buffer size
500	* hint in @a pValue.
501	* @param hLdrMod The loader module handle.
502	* @param pvBits Optional pointer to the loaded image.
503	* Set this to NULL if no RTLdrGetBits() processed image bits are available.
504	* Not supported for RTLdrLoad() images.
505	* @param BaseAddress Image load address.
506	* Not supported for RTLdrLoad() images.
507	* @param iOrdinal Symbol ordinal number, pass UINT32_MAX if pszSymbol
508	* should be used instead.
509	* @param pszSymbol Symbol name.
510	* @param pValue Where to store the symbol value.
511	*/
512	RTDECL(int) RTLdrGetSymbolEx(RTLDRMOD hLdrMod, const void *pvBits, RTLDRADDR BaseAddress,
513	uint32_t iOrdinal, const char *pszSymbol, PRTLDRADDR pValue);
514
515	/**
516	* Gets the address of a named exported function.
517	*
518	* Same as RTLdrGetSymbol, but skips the status code and pointer to return
519	* variable stuff.
520	*
521	* @returns Pointer to the function if found, NULL if not.
522	* @param hLdrMod The loader module handle.
523	* @param pszSymbol Function name.
524	*/
525	RTDECL(PFNRT) RTLdrGetFunction(RTLDRMOD hLdrMod, const char *pszSymbol);
526
527	/**
528	* Information about an imported symbol.
529	*/
530	typedef struct RTLDRIMPORTINFO
531	{
532	/** Symbol table entry number, UINT32_MAX if not available. */
533	uint32_t iSelfOrdinal;
534	/** The ordinal of the imported symbol in szModule, UINT32_MAX if not used. */
535	uint32_t iOrdinal;
536	/** The symbol name, NULL if not used. This points to the char immediately
537	* following szModule when returned by RTLdrQueryForwarderInfo. */
538	const char *pszSymbol;
539	/** The name of the module being imported from. */
540	char szModule[1];
541	} RTLDRIMPORTINFO;
542	/** Pointer to information about an imported symbol. */
543	typedef RTLDRIMPORTINFO *PRTLDRIMPORTINFO;
544	/** Pointer to const information about an imported symbol. */
545	typedef RTLDRIMPORTINFO const *PCRTLDRIMPORTINFO;
546
547	/**
548	* Query information about a forwarded symbol.
549	*
550	* @returns IPRT status code.
551	* @param hLdrMod The loader module handle.
552	* @param pvBits Optional pointer to the loaded image.
553	* Set this to NULL if no RTLdrGetBits() processed image bits are available.
554	* Not supported for RTLdrLoad() images.
555	* @param iOrdinal Symbol ordinal number, pass UINT32_MAX if pszSymbol
556	* should be used instead.
557	* @param pszSymbol Symbol name.
558	* @param pInfo Where to return the forwarder info.
559	* @param cbInfo Size of the buffer @a pInfo points to. For a size
560	* hint, see @a pValue when RTLdrGetSymbolEx returns
561	* VERR_LDR_FORWARDER.
562	*/
563	RTDECL(int) RTLdrQueryForwarderInfo(RTLDRMOD hLdrMod, const void pvBits, uint32_t iOrdinal, const char pszSymbol,
564	PRTLDRIMPORTINFO pInfo, size_t cbInfo);
565
566
567	/**
568	* Gets the size of the loaded image.
569	*
570	* This is not necessarily available for images that has been loaded using
571	* RTLdrLoad().
572	*
573	* @returns image size (in bytes).
574	* @returns ~(size_t)0 on if not available.
575	* @param hLdrMod Handle to the loader module.
576	*/
577	RTDECL(size_t) RTLdrSize(RTLDRMOD hLdrMod);
578
579	/**
580	* Resolve an external symbol during RTLdrGetBits().
581	*
582	* @returns iprt status code.
583	* @param hLdrMod The loader module handle.
584	* @param pszModule Module name.
585	* @param pszSymbol Symbol name, NULL if uSymbol should be used.
586	* @param uSymbol Symbol ordinal, ~0 if pszSymbol should be used.
587	* @param pValue Where to store the symbol value (address).
588	* @param pvUser User argument.
589	*/
590	typedef DECLCALLBACK(int) RTLDRIMPORT(RTLDRMOD hLdrMod, const char pszModule, const char pszSymbol, unsigned uSymbol,
591	PRTLDRADDR pValue, void *pvUser);
592	/** Pointer to a FNRTLDRIMPORT() callback function. */
593	typedef RTLDRIMPORT *PFNRTLDRIMPORT;
594
595	/**
596	* Loads the image into a buffer provided by the user and applies fixups
597	* for the given base address.
598	*
599	* @returns iprt status code.
600	* @param hLdrMod The load module handle.
601	* @param pvBits Where to put the bits.
602	* Must be as large as RTLdrSize() suggests.
603	* @param BaseAddress The base address.
604	* @param pfnGetImport Callback function for resolving imports one by one.
605	* @param pvUser User argument for the callback.
606	* @remark Not supported for RTLdrLoad() images.
607	*/
608	RTDECL(int) RTLdrGetBits(RTLDRMOD hLdrMod, void pvBits, RTLDRADDR BaseAddress, PFNRTLDRIMPORT pfnGetImport, void pvUser);
609
610	/**
611	* Relocates bits after getting them.
612	* Useful for code which moves around a bit.
613	*
614	* @returns iprt status code.
615	* @param hLdrMod The loader module handle.
616	* @param pvBits Where the image bits are.
617	* Must have been passed to RTLdrGetBits().
618	* @param NewBaseAddress The new base address.
619	* @param OldBaseAddress The old base address.
620	* @param pfnGetImport Callback function for resolving imports one by one.
621	* @param pvUser User argument for the callback.
622	* @remark Not supported for RTLdrLoad() images.
623	*/
624	RTDECL(int) RTLdrRelocate(RTLDRMOD hLdrMod, void *pvBits, RTLDRADDR NewBaseAddress, RTLDRADDR OldBaseAddress,
625	PFNRTLDRIMPORT pfnGetImport, void *pvUser);
626
627	/**
628	* Enumeration callback function used by RTLdrEnumSymbols().
629	*
630	* @returns iprt status code. Failure will stop the enumeration.
631	* @param hLdrMod The loader module handle.
632	* @param pszSymbol Symbol name. NULL if ordinal only.
633	* @param uSymbol Symbol ordinal, ~0 if not used.
634	* @param Value Symbol value.
635	* @param pvUser The user argument specified to RTLdrEnumSymbols().
636	*/
637	typedef DECLCALLBACK(int) RTLDRENUMSYMS(RTLDRMOD hLdrMod, const char pszSymbol, unsigned uSymbol, RTLDRADDR Value, void pvUser);
638	/** Pointer to a RTLDRENUMSYMS() callback function. */
639	typedef RTLDRENUMSYMS *PFNRTLDRENUMSYMS;
640
641	/**
642	* Enumerates all symbols in a module.
643	*
644	* @returns iprt status code.
645	* @param hLdrMod The loader module handle.
646	* @param fFlags Flags indicating what to return and such.
647	* @param pvBits Optional pointer to the loaded image. (RTLDR_ENUM_SYMBOL_FLAGS_*)
648	* Set this to NULL if no RTLdrGetBits() processed image bits are available.
649	* @param BaseAddress Image load address.
650	* @param pfnCallback Callback function.
651	* @param pvUser User argument for the callback.
652	* @remark Not supported for RTLdrLoad() images.
653	*/
654	RTDECL(int) RTLdrEnumSymbols(RTLDRMOD hLdrMod, unsigned fFlags, const void pvBits, RTLDRADDR BaseAddress, PFNRTLDRENUMSYMS pfnCallback, void pvUser);
655
656	/** @name RTLdrEnumSymbols flags.
657	* @{ */
658	/** Returns ALL kinds of symbols. The default is to only return public/exported symbols. */
659	#define RTLDR_ENUM_SYMBOL_FLAGS_ALL RT_BIT(1)
660	/** Ignore forwarders (for use with RTLDR_ENUM_SYMBOL_FLAGS_ALL). */
661	#define RTLDR_ENUM_SYMBOL_FLAGS_NO_FWD RT_BIT(2)
662	/** @} */
663
664
665	/**
666	* Debug info type (as far the loader can tell).
667	*/
668	typedef enum RTLDRDBGINFOTYPE
669	{
670	/** The invalid 0 value. */
671	RTLDRDBGINFOTYPE_INVALID = 0,
672	/** Unknown debug info format. */
673	RTLDRDBGINFOTYPE_UNKNOWN,
674	/** Stabs. */
675	RTLDRDBGINFOTYPE_STABS,
676	/** Debug With Arbitrary Record Format (DWARF). */
677	RTLDRDBGINFOTYPE_DWARF,
678	/** Debug With Arbitrary Record Format (DWARF), in external file (DWO). */
679	RTLDRDBGINFOTYPE_DWARF_DWO,
680	/** Microsoft Codeview debug info. */
681	RTLDRDBGINFOTYPE_CODEVIEW,
682	/** Microsoft Codeview debug info, in external v2.0+ program database (PDB). */
683	RTLDRDBGINFOTYPE_CODEVIEW_PDB20,
684	/** Microsoft Codeview debug info, in external v7.0+ program database (PDB). */
685	RTLDRDBGINFOTYPE_CODEVIEW_PDB70,
686	/** Microsoft Codeview debug info, in external file (DBG). */
687	RTLDRDBGINFOTYPE_CODEVIEW_DBG,
688	/** Microsoft COFF debug info. */
689	RTLDRDBGINFOTYPE_COFF,
690	/** Watcom debug info. */
691	RTLDRDBGINFOTYPE_WATCOM,
692	/** IBM High Level Language debug info.. */
693	RTLDRDBGINFOTYPE_HLL,
694	/** The end of the valid debug info values (exclusive). */
695	RTLDRDBGINFOTYPE_END,
696	/** Blow the type up to 32-bits. */
697	RTLDRDBGINFOTYPE_32BIT_HACK = 0x7fffffff
698	} RTLDRDBGINFOTYPE;
699
700
701	/**
702	* Debug info details for the enumeration callback.
703	*/
704	typedef struct RTLDRDBGINFO
705	{
706	/** The kind of debug info. */
707	RTLDRDBGINFOTYPE enmType;
708	/** The debug info ordinal number / id. */
709	uint32_t iDbgInfo;
710	/** The file offset if this type has one specific location in the executable
711	* image file. This is -1 if there isn't any specific file location. */
712	RTFOFF offFile;
713	/** The link address of the debug info if it's loadable. NIL_RTLDRADDR if not
714	* loadable*/
715	RTLDRADDR LinkAddress;
716	/** The size of the debug information. -1 is used if this isn't applicable.*/
717	RTLDRADDR cb;
718	/** This is set if the debug information is found in an external file. NULL
719	* if no external file involved.
720	* @note Putting it outside the union to allow lazy callback implementation. */
721	const char *pszExtFile;
722	/** Type (enmType) specific information. */
723	union
724	{
725	/** RTLDRDBGINFOTYPE_DWARF */
726	struct
727	{
728	/** The section name. */
729	const char *pszSection;
730	} Dwarf;
731
732	/** RTLDRDBGINFOTYPE_DWARF_DWO */
733	struct
734	{
735	/** The CRC32 of the external file. */
736	uint32_t uCrc32;
737	} Dwo;
738
739	/** RTLDRDBGINFOTYPE_CODEVIEW, RTLDRDBGINFOTYPE_COFF */
740	struct
741	{
742	/** The PE image size. */
743	uint32_t cbImage;
744	/** The timestamp. */
745	uint32_t uTimestamp;
746	/** The major version from the entry. */
747	uint32_t uMajorVer;
748	/** The minor version from the entry. */
749	uint32_t uMinorVer;
750	} Cv, Coff;
751
752	/** RTLDRDBGINFOTYPE_CODEVIEW_DBG */
753	struct
754	{
755	/** The PE image size. */
756	uint32_t cbImage;
757	/** The timestamp. */
758	uint32_t uTimestamp;
759	} Dbg;
760
761	/** RTLDRDBGINFOTYPE_CODEVIEW_PDB20*/
762	struct
763	{
764	/** The PE image size. */
765	uint32_t cbImage;
766	/** The timestamp. */
767	uint32_t uTimestamp;
768	/** The PDB age. */
769	uint32_t uAge;
770	} Pdb20;
771
772	/** RTLDRDBGINFOTYPE_CODEVIEW_PDB70 */
773	struct
774	{
775	/** The PE image size. */
776	uint32_t cbImage;
777	/** The PDB age. */
778	uint32_t uAge;
779	/** The UUID. */
780	RTUUID Uuid;
781	} Pdb70;
782	} u;
783	} RTLDRDBGINFO;
784	/** Pointer to debug info details. */
785	typedef RTLDRDBGINFO *PRTLDRDBGINFO;
786	/** Pointer to read only debug info details. */
787	typedef RTLDRDBGINFO const *PCRTLDRDBGINFO;
788
789
790	/**
791	* Debug info enumerator callback.
792	*
793	* @returns VINF_SUCCESS to continue the enumeration. Any other status code
794	* will cause RTLdrEnumDbgInfo to immediately return with that status.
795	*
796	* @param hLdrMod The module handle.
797	* @param pDbgInfo Pointer to a read only structure with the details.
798	* @param pvUser The user parameter specified to RTLdrEnumDbgInfo.
799	*/
800	typedef DECLCALLBACK(int) FNRTLDRENUMDBG(RTLDRMOD hLdrMod, PCRTLDRDBGINFO pDbgInfo, void *pvUser);
801	/** Pointer to a debug info enumerator callback. */
802	typedef FNRTLDRENUMDBG *PFNRTLDRENUMDBG;
803
804	/**
805	* Enumerate the debug info contained in the executable image.
806	*
807	* @returns IPRT status code or whatever pfnCallback returns.
808	*
809	* @param hLdrMod The module handle.
810	* @param pvBits Optional pointer to bits returned by
811	* RTLdrGetBits(). This can be used by some module
812	* interpreters to reduce memory consumption.
813	* @param pfnCallback The callback function.
814	* @param pvUser The user argument.
815	*/
816	RTDECL(int) RTLdrEnumDbgInfo(RTLDRMOD hLdrMod, const void pvBits, PFNRTLDRENUMDBG pfnCallback, void pvUser);
817
818
819	/**
820	* Loader segment.
821	*/
822	typedef struct RTLDRSEG
823	{
824	/** The segment name. Always set to something. */
825	const char *pszName;
826	/** The length of the segment name. */
827	uint32_t cchName;
828	/** The flat selector to use for the segment (i.e. data/code).
829	* Primarily a way for the user to specify selectors for the LX/LE and NE interpreters. */
830	uint16_t SelFlat;
831	/** The 16-bit selector to use for the segment.
832	* Primarily a way for the user to specify selectors for the LX/LE and NE interpreters. */
833	uint16_t Sel16bit;
834	/** Segment flags. */
835	uint32_t fFlags;
836	/** The segment protection (RTMEM_PROT_XXX). */
837	uint32_t fProt;
838	/** The size of the segment. */
839	RTLDRADDR cb;
840	/** The required segment alignment.
841	* The to 0 if the segment isn't supposed to be mapped. */
842	RTLDRADDR Alignment;
843	/** The link address.
844	* Set to NIL_RTLDRADDR if the segment isn't supposed to be mapped or if
845	* the image doesn't have link addresses. */
846	RTLDRADDR LinkAddress;
847	/** File offset of the segment.
848	* Set to -1 if no file backing (like BSS). */
849	RTFOFF offFile;
850	/** Size of the file bits of the segment.
851	* Set to -1 if no file backing (like BSS). */
852	RTFOFF cbFile;
853	/** The relative virtual address when mapped.
854	* Set to NIL_RTLDRADDR if the segment isn't supposed to be mapped. */
855	RTLDRADDR RVA;
856	/** The size of the segment including the alignment gap up to the next segment when mapped.
857	* This is set to NIL_RTLDRADDR if not implemented. */
858	RTLDRADDR cbMapped;
859	} RTLDRSEG;
860	/** Pointer to a loader segment. */
861	typedef RTLDRSEG *PRTLDRSEG;
862	/** Pointer to a read only loader segment. */
863	typedef RTLDRSEG const *PCRTLDRSEG;
864
865
866	/** @name Segment flags
867	* @{ */
868	/** The segment is 16-bit. When not set the default of the target architecture is assumed. */
869	#define RTLDRSEG_FLAG_16BIT UINT32_C(1)
870	/** The segment requires a 16-bit selector alias. (OS/2) */
871	#define RTLDRSEG_FLAG_OS2_ALIAS16 UINT32_C(2)
872	/** Conforming segment (x86 weirdness). (OS/2) */
873	#define RTLDRSEG_FLAG_OS2_CONFORM UINT32_C(4)
874	/** IOPL (ring-2) segment. (OS/2) */
875	#define RTLDRSEG_FLAG_OS2_IOPL UINT32_C(8)
876	/** @} */
877
878	/**
879	* Segment enumerator callback.
880	*
881	* @returns VINF_SUCCESS to continue the enumeration. Any other status code
882	* will cause RTLdrEnumSegments to immediately return with that
883	* status.
884	*
885	* @param hLdrMod The module handle.
886	* @param pSeg The segment information.
887	* @param pvUser The user parameter specified to RTLdrEnumSegments.
888	*/
889	typedef DECLCALLBACK(int) FNRTLDRENUMSEGS(RTLDRMOD hLdrMod, PCRTLDRSEG pSeg, void *pvUser);
890	/** Pointer to a segment enumerator callback. */
891	typedef FNRTLDRENUMSEGS *PFNRTLDRENUMSEGS;
892
893	/**
894	* Enumerate the debug info contained in the executable image.
895	*
896	* @returns IPRT status code or whatever pfnCallback returns.
897	*
898	* @param hLdrMod The module handle.
899	* @param pfnCallback The callback function.
900	* @param pvUser The user argument.
901	*/
902	RTDECL(int) RTLdrEnumSegments(RTLDRMOD hLdrMod, PFNRTLDRENUMSEGS pfnCallback, void *pvUser);
903
904	/**
905	* Converts a link address to a segment:offset address.
906	*
907	* @returns IPRT status code.
908	*
909	* @param hLdrMod The module handle.
910	* @param LinkAddress The link address to convert.
911	* @param piSeg Where to return the segment index.
912	* @param poffSeg Where to return the segment offset.
913	*/
914	RTDECL(int) RTLdrLinkAddressToSegOffset(RTLDRMOD hLdrMod, RTLDRADDR LinkAddress, uint32_t *piSeg, PRTLDRADDR poffSeg);
915
916	/**
917	* Converts a link address to an image relative virtual address (RVA).
918	*
919	* @returns IPRT status code.
920	*
921	* @param hLdrMod The module handle.
922	* @param LinkAddress The link address to convert.
923	* @param pRva Where to return the RVA.
924	*/
925	RTDECL(int) RTLdrLinkAddressToRva(RTLDRMOD hLdrMod, RTLDRADDR LinkAddress, PRTLDRADDR pRva);
926
927	/**
928	* Converts an image relative virtual address (RVA) to a segment:offset.
929	*
930	* @returns IPRT status code.
931	*
932	* @param hLdrMod The module handle.
933	* @param Rva The link address to convert.
934	* @param piSeg Where to return the segment index.
935	* @param poffSeg Where to return the segment offset.
936	*/
937	RTDECL(int) RTLdrSegOffsetToRva(RTLDRMOD hLdrMod, uint32_t iSeg, RTLDRADDR offSeg, PRTLDRADDR pRva);
938
939	/**
940	* Converts a segment:offset into an image relative virtual address (RVA).
941	*
942	* @returns IPRT status code.
943	*
944	* @param hLdrMod The module handle.
945	* @param iSeg The segment index.
946	* @param offSeg The segment offset.
947	* @param pRva Where to return the RVA.
948	*/
949	RTDECL(int) RTLdrRvaToSegOffset(RTLDRMOD hLdrMod, RTLDRADDR Rva, uint32_t *piSeg, PRTLDRADDR poffSeg);
950
951	/**
952	* Gets the image format.
953	*
954	* @returns Valid image format on success. RTLDRFMT_INVALID on invalid handle or
955	* other errors.
956	* @param hLdrMod The module handle.
957	*/
958	RTDECL(RTLDRFMT) RTLdrGetFormat(RTLDRMOD hLdrMod);
959
960	/**
961	* Gets the image type.
962	*
963	* @returns Valid image type value on success. RTLDRTYPE_INVALID on
964	* invalid handle or other errors.
965	* @param hLdrMod The module handle.
966	*/
967	RTDECL(RTLDRTYPE) RTLdrGetType(RTLDRMOD hLdrMod);
968
969	/**
970	* Gets the image endian-ness.
971	*
972	* @returns Valid image endian value on success. RTLDRENDIAN_INVALID on invalid
973	* handle or other errors.
974	* @param hLdrMod The module handle.
975	*/
976	RTDECL(RTLDRENDIAN) RTLdrGetEndian(RTLDRMOD hLdrMod);
977
978	/**
979	* Gets the image endian-ness.
980	*
981	* @returns Valid image architecture value on success.
982	* RTLDRARCH_INVALID on invalid handle or other errors.
983	* @param hLdrMod The module handle.
984	*/
985	RTDECL(RTLDRARCH) RTLdrGetArch(RTLDRMOD hLdrMod);
986
987	/**
988	* Loader properties that can be queried thru RTLdrQueryProp.
989	*/
990	typedef enum RTLDRPROP
991	{
992	RTLDRPROP_INVALID = 0,
993	/** The image UUID (Mach-O).
994	* Returns a RTUUID in the buffer. */
995	RTLDRPROP_UUID,
996	/** The image timestamp in seconds, genrally since unix epoc.
997	* Returns a 32-bit or 64-bit signed integer value in the buffer. */
998	RTLDRPROP_TIMESTAMP_SECONDS,
999	/** Checks if the image is signed.
1000	* Returns a bool. */
1001	RTLDRPROP_IS_SIGNED,
1002	/** Retrives the PKCS \#7 SignedData blob that signs the image.
1003	* Returns variable sized buffer containing the ASN.1 BER encoding.
1004	*
1005	* @remarks This generally starts with a PKCS \#7 Content structure, the
1006	* SignedData bit is found a few levels down into this as per RFC. */
1007	RTLDRPROP_PKCS7_SIGNED_DATA,
1008
1009	/** Query whether code signature checks are enabled. */
1010	RTLDRPROP_SIGNATURE_CHECKS_ENFORCED,
1011
1012	/** Number of import or needed modules. */
1013	RTLDRPROP_IMPORT_COUNT,
1014	/** Import module by index (32-bit) stored in the buffer. */
1015	RTLDRPROP_IMPORT_MODULE,
1016
1017	/** End of valid properties. */
1018	RTLDRPROP_END,
1019	/** Blow the type up to 32 bits. */
1020	RTLDRPROP_32BIT_HACK = 0x7fffffff
1021	} RTLDRPROP;
1022
1023	/**
1024	* Generic method for querying image properties.
1025	*
1026	* @returns IPRT status code.
1027	* @retval VERR_NOT_SUPPORTED if the property query isn't supported (either all
1028	* or that specific property). The caller must handle this result.
1029	* @retval VERR_NOT_FOUND the property was not found in the module. The caller
1030	* must also normally deal with this.
1031	* @retval VERR_INVALID_FUNCTION if the function value is wrong.
1032	* @retval VERR_INVALID_PARAMETER if the buffer size is wrong.
1033	* @retval VERR_BUFFER_OVERFLOW if the function doesn't have a fixed size
1034	* buffer and the buffer isn't big enough. Use RTLdrQueryPropEx.
1035	* @retval VERR_INVALID_HANDLE if the handle is invalid.
1036	*
1037	* @param hLdrMod The module handle.
1038	* @param enmLdrProp The property to query.
1039	* @param pvBuf Pointer to the input / output buffer. In most cases
1040	* it's only used for returning data.
1041	* @param cbBuf The size of the buffer.
1042	*/
1043	RTDECL(int) RTLdrQueryProp(RTLDRMOD hLdrMod, RTLDRPROP enmProp, void *pvBuf, size_t cbBuf);
1044
1045	/**
1046	* Generic method for querying image properties, extended version.
1047	*
1048	* @returns IPRT status code.
1049	* @retval VERR_NOT_SUPPORTED if the property query isn't supported (either all
1050	* or that specific property). The caller must handle this result.
1051	* @retval VERR_NOT_FOUND the property was not found in the module. The caller
1052	* must also normally deal with this.
1053	* @retval VERR_INVALID_FUNCTION if the function value is wrong.
1054	* @retval VERR_INVALID_PARAMETER if the fixed buffer size is wrong. Correct
1055	* size in @a *pcbRet.
1056	* @retval VERR_BUFFER_OVERFLOW if the function doesn't have a fixed size
1057	* buffer and the buffer isn't big enough. Correct size in @a *pcbRet.
1058	* @retval VERR_INVALID_HANDLE if the handle is invalid.
1059	*
1060	* @param hLdrMod The module handle.
1061	* @param enmLdrProp The property to query.
1062	* @param pvBits Optional pointer to bits returned by
1063	* RTLdrGetBits(). This can be utilized by some module
1064	* interpreters to reduce memory consumption and file
1065	* access.
1066	* @param pvBuf Pointer to the input / output buffer. In most cases
1067	* it's only used for returning data.
1068	* @param cbBuf The size of the buffer.
1069	* @param pcbRet Where to return the amount of data returned. On
1070	* buffer size errors, this is set to the correct size.
1071	* Optional.
1072	*/
1073	RTDECL(int) RTLdrQueryPropEx(RTLDRMOD hLdrMod, RTLDRPROP enmProp, void pvBits, void pvBuf, size_t cbBuf, size_t *pcbBuf);
1074
1075
1076	/**
1077	* Signature type, see FNRTLDRVALIDATESIGNEDDATA.
1078	*/
1079	typedef enum RTLDRSIGNATURETYPE
1080	{
1081	/** Invalid value. */
1082	RTLDRSIGNATURETYPE_INVALID = 0,
1083	/** A RTPKCS7CONTENTINFO structure w/ RTPKCS7SIGNEDDATA inside.
1084	* It's parsed, so the whole binary ASN.1 representation can be found by
1085	* using RTASN1CORE_GET_RAW_ASN1_PTR() and RTASN1CORE_GET_RAW_ASN1_SIZE(). */
1086	RTLDRSIGNATURETYPE_PKCS7_SIGNED_DATA,
1087	/** End of valid values. */
1088	RTLDRSIGNATURETYPE_END,
1089	/** Make sure the size is 32-bit. */
1090	RTLDRSIGNATURETYPE_32BIT_HACK = 0x7fffffff
1091	} RTLDRSIGNATURETYPE;
1092
1093	/**
1094	* Callback used by RTLdrVerifySignature to verify the signature and associated
1095	* certificates.
1096	*
1097	* @returns IPRT status code.
1098	* @param hLdrMod The module handle.
1099	* @param enmSignature The signature format.
1100	* @param pvSignature The signature data. Format given by @a enmSignature.
1101	* @param cbSignature The size of the buffer @a pvSignature points to.
1102	* @param pErrInfo Pointer to an error info buffer, optional.
1103	* @param pvUser User argument.
1104	*
1105	*/
1106	typedef DECLCALLBACK(int) FNRTLDRVALIDATESIGNEDDATA(RTLDRMOD hLdrMod, RTLDRSIGNATURETYPE enmSignature, void const *pvSignature, size_t cbSignature,
1107	PRTERRINFO pErrInfo, void *pvUser);
1108	/** Pointer to a signature verification callback. */
1109	typedef FNRTLDRVALIDATESIGNEDDATA *PFNRTLDRVALIDATESIGNEDDATA;
1110
1111	/**
1112	* Verify the image signature.
1113	*
1114	* This may permform additional integrity checks on the image structures that
1115	* was not done when opening the image.
1116	*
1117	* @returns IPRT status code.
1118	* @retval VERR_LDRVI_NOT_SIGNED if not signed.
1119	*
1120	* @param hLdrMod The module handle.
1121	* @param pfnCallback Callback that does the signature and certificate
1122	* verficiation.
1123	* @param pvUser User argument for the callback.
1124	* @param pErrInfo Pointer to an error info buffer. Optional.
1125	*/
1126	RTDECL(int) RTLdrVerifySignature(RTLDRMOD hLdrMod, PFNRTLDRVALIDATESIGNEDDATA pfnCallback, void *pvUser, PRTERRINFO pErrInfo);
1127
1128	/**
1129	* Calculate the image hash according the image signing rules.
1130	*
1131	* @returns IPRT status code.
1132	* @param hLdrMod The module handle.
1133	* @param enmDigest Which kind of digest.
1134	* @param pszDigest Where to store the image digest.
1135	* @param cbDigest Size of the buffer @a pszDigest points at.
1136	*/
1137	RTDECL(int) RTLdrHashImage(RTLDRMOD hLdrMod, RTDIGESTTYPE enmDigest, char *pszDigest, size_t cbDigest);
1138
1139	RT_C_DECLS_END
1140
1141	/** @} */
1142
1143	#endif
1144

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