ldr.h@ 69105

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1	/** @file
2	* IPRT - Loader.
3	*/
4
5	/*
6	* Copyright (C) 2006-2017 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.
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	* Open a binary image file, extended version.
390	*
391	* @returns iprt status code.
392	* @param pszFilename Image filename.
393	* @param fFlags Valid RTLDR_O_XXX combination.
394	* @param enmArch CPU architecture specifier for the image to be loaded.
395	* @param phLdrMod Where to store the handle to the loader module.
396	* @param pErrInfo Where to return extended error information. Optional.
397	*/
398	RTDECL(int) RTLdrOpenEx(const char *pszFilename, uint32_t fFlags, RTLDRARCH enmArch, PRTLDRMOD phLdrMod, PRTERRINFO pErrInfo);
399
400	/**
401	* Opens a binary image file using kLdr.
402	*
403	* @returns iprt status code.
404	* @param pszFilename Image filename.
405	* @param phLdrMod Where to store the handle to the loaded module.
406	* @param fFlags Valid RTLDR_O_XXX combination.
407	* @param enmArch CPU architecture specifier for the image to be loaded.
408	* @remark Primarily for testing the loader.
409	*/
410	RTDECL(int) RTLdrOpenkLdr(const char *pszFilename, uint32_t fFlags, RTLDRARCH enmArch, PRTLDRMOD phLdrMod);
411
412	/**
413	* Open part with reader.
414	*
415	* @returns iprt status code.
416	* @param pReader The loader reader instance which will provide the raw
417	* image bits. The reader instance will be consumed on
418	* success. On failure, the caller has to do the cleaning
419	* up.
420	* @param fFlags Valid RTLDR_O_XXX combination.
421	* @param enmArch Architecture specifier.
422	* @param phMod Where to store the handle.
423	* @param pErrInfo Where to return extended error information. Optional.
424	*/
425	RTDECL(int) RTLdrOpenWithReader(PRTLDRREADER pReader, uint32_t fFlags, RTLDRARCH enmArch, PRTLDRMOD phMod, PRTERRINFO pErrInfo);
426
427	/**
428	* Called to read @a cb bytes at @a off into @a pvBuf.
429	*
430	* @returns IPRT status code
431	* @param pvBuf The output buffer.
432	* @param cb The number of bytes to read.
433	* @param off Where to start reading.
434	* @param pvUser The user parameter.
435	*/
436	typedef DECLCALLBACK(int) FNRTLDRRDRMEMREAD(void pvBuf, size_t cb, size_t off, void pvUser);
437	/** Pointer to a RTLdrOpenInMemory reader callback. */
438	typedef FNRTLDRRDRMEMREAD *PFNRTLDRRDRMEMREAD;
439
440	/**
441	* Called to when the module is unloaded (or done loading) to release resources
442	* associated with it (@a pvUser).
443	*
444	* @returns IPRT status code
445	* @param pvUser The user parameter.
446	*/
447	typedef DECLCALLBACK(void) FNRTLDRRDRMEMDTOR(void *pvUser);
448	/** Pointer to a RTLdrOpenInMemory destructor callback. */
449	typedef FNRTLDRRDRMEMDTOR *PFNRTLDRRDRMEMDTOR;
450
451	/**
452	* Open a in-memory image or an image with a custom reader callback.
453	*
454	* @returns IPRT status code.
455	* @param pszName The image name.
456	* @param fFlags Valid RTLDR_O_XXX combination.
457	* @param enmArch CPU architecture specifier for the image to be loaded.
458	* @param cbImage The size of the image (fake file).
459	* @param pfnRead The read function. If NULL is passed in, a default
460	* reader function is provided that assumes @a pvUser
461	* points to the raw image bits, at least @a cbImage of
462	* valid memory.
463	* @param pfnDtor The destructor function. If NULL is passed, a default
464	* destructor will be provided that passes @a pvUser to
465	* RTMemFree.
466	* @param pvUser The user argument or, if any of the callbacks are NULL,
467	* a pointer to a memory block.
468	* @param phLdrMod Where to return the module handle.
469	*
470	* @remarks With the exception of invalid @a pfnDtor and/or @a pvUser
471	* parameters, the pfnDtor methods (or the default one if NULL) will
472	* always be invoked. The destruction of pvUser is entirely in the
473	* hands of this method once it's called.
474	*/
475	RTDECL(int) RTLdrOpenInMemory(const char *pszName, uint32_t fFlags, RTLDRARCH enmArch, size_t cbImage,
476	PFNRTLDRRDRMEMREAD pfnRead, PFNRTLDRRDRMEMDTOR pfnDtor, void *pvUser,
477	PRTLDRMOD phLdrMod);
478
479	/**
480	* Closes a loader module handle.
481	*
482	* The handle can be obtained using any of the RTLdrLoad(), RTLdrOpen()
483	* and RTLdrOpenInMemory() functions.
484	*
485	* @returns iprt status code.
486	* @param hLdrMod The loader module handle.
487	*/
488	RTDECL(int) RTLdrClose(RTLDRMOD hLdrMod);
489
490	/**
491	* Gets the address of a named exported symbol.
492	*
493	* @returns iprt status code.
494	* @retval VERR_LDR_FORWARDER forwarder, use pfnQueryForwarderInfo. Buffer size
495	* hint in @a ppvValue.
496	* @param hLdrMod The loader module handle.
497	* @param pszSymbol Symbol name.
498	* @param ppvValue Where to store the symbol value. Note that this is restricted to the
499	* pointer size used on the host!
500	*/
501	RTDECL(int) RTLdrGetSymbol(RTLDRMOD hLdrMod, const char pszSymbol, void *ppvValue);
502
503	/**
504	* Gets the address of a named exported symbol.
505	*
506	* This function differs from the plain one in that it can deal with
507	* both GC and HC address sizes, and that it can calculate the symbol
508	* value relative to any given base address.
509	*
510	* @returns iprt status code.
511	* @retval VERR_LDR_FORWARDER forwarder, use pfnQueryForwarderInfo. Buffer size
512	* hint in @a pValue.
513	* @param hLdrMod The loader module handle.
514	* @param pvBits Optional pointer to the loaded image.
515	* Set this to NULL if no RTLdrGetBits() processed image bits are available.
516	* Not supported for RTLdrLoad() images.
517	* @param BaseAddress Image load address.
518	* Not supported for RTLdrLoad() images.
519	* @param iOrdinal Symbol ordinal number, pass UINT32_MAX if pszSymbol
520	* should be used instead.
521	* @param pszSymbol Symbol name.
522	* @param pValue Where to store the symbol value.
523	*/
524	RTDECL(int) RTLdrGetSymbolEx(RTLDRMOD hLdrMod, const void *pvBits, RTLDRADDR BaseAddress,
525	uint32_t iOrdinal, const char *pszSymbol, PRTLDRADDR pValue);
526
527	/**
528	* Gets the address of a named exported function.
529	*
530	* Same as RTLdrGetSymbol, but skips the status code and pointer to return
531	* variable stuff.
532	*
533	* @returns Pointer to the function if found, NULL if not.
534	* @param hLdrMod The loader module handle.
535	* @param pszSymbol Function name.
536	*/
537	RTDECL(PFNRT) RTLdrGetFunction(RTLDRMOD hLdrMod, const char *pszSymbol);
538
539	/**
540	* Information about an imported symbol.
541	*/
542	typedef struct RTLDRIMPORTINFO
543	{
544	/** Symbol table entry number, UINT32_MAX if not available. */
545	uint32_t iSelfOrdinal;
546	/** The ordinal of the imported symbol in szModule, UINT32_MAX if not used. */
547	uint32_t iOrdinal;
548	/** The symbol name, NULL if not used. This points to the char immediately
549	* following szModule when returned by RTLdrQueryForwarderInfo. */
550	const char *pszSymbol;
551	/** The name of the module being imported from. */
552	char szModule[1];
553	} RTLDRIMPORTINFO;
554	/** Pointer to information about an imported symbol. */
555	typedef RTLDRIMPORTINFO *PRTLDRIMPORTINFO;
556	/** Pointer to const information about an imported symbol. */
557	typedef RTLDRIMPORTINFO const *PCRTLDRIMPORTINFO;
558
559	/**
560	* Query information about a forwarded symbol.
561	*
562	* @returns IPRT status code.
563	* @param hLdrMod The loader module handle.
564	* @param pvBits Optional pointer to the loaded image.
565	* Set this to NULL if no RTLdrGetBits() processed image bits are available.
566	* Not supported for RTLdrLoad() images.
567	* @param iOrdinal Symbol ordinal number, pass UINT32_MAX if pszSymbol
568	* should be used instead.
569	* @param pszSymbol Symbol name.
570	* @param pInfo Where to return the forwarder info.
571	* @param cbInfo Size of the buffer @a pInfo points to. For a size
572	* hint, see @a pValue when RTLdrGetSymbolEx returns
573	* VERR_LDR_FORWARDER.
574	*/
575	RTDECL(int) RTLdrQueryForwarderInfo(RTLDRMOD hLdrMod, const void pvBits, uint32_t iOrdinal, const char pszSymbol,
576	PRTLDRIMPORTINFO pInfo, size_t cbInfo);
577
578
579	/**
580	* Gets the size of the loaded image.
581	*
582	* This is not necessarily available for images that has been loaded using
583	* RTLdrLoad().
584	*
585	* @returns image size (in bytes).
586	* @returns ~(size_t)0 on if not available.
587	* @param hLdrMod Handle to the loader module.
588	*/
589	RTDECL(size_t) RTLdrSize(RTLDRMOD hLdrMod);
590
591	/**
592	* Resolve an external symbol during RTLdrGetBits().
593	*
594	* @returns iprt status code.
595	* @param hLdrMod The loader module handle.
596	* @param pszModule Module name.
597	* @param pszSymbol Symbol name, NULL if uSymbol should be used.
598	* @param uSymbol Symbol ordinal, ~0 if pszSymbol should be used.
599	* @param pValue Where to store the symbol value (address).
600	* @param pvUser User argument.
601	*/
602	typedef DECLCALLBACK(int) FNRTLDRIMPORT(RTLDRMOD hLdrMod, const char pszModule, const char pszSymbol, unsigned uSymbol,
603	PRTLDRADDR pValue, void *pvUser);
604	/** Pointer to a FNRTLDRIMPORT() callback function. */
605	typedef FNRTLDRIMPORT *PFNRTLDRIMPORT;
606
607	/**
608	* Loads the image into a buffer provided by the user and applies fixups
609	* for the given base address.
610	*
611	* @returns iprt status code.
612	* @param hLdrMod The load module handle.
613	* @param pvBits Where to put the bits.
614	* Must be as large as RTLdrSize() suggests.
615	* @param BaseAddress The base address.
616	* @param pfnGetImport Callback function for resolving imports one by one.
617	* @param pvUser User argument for the callback.
618	* @remark Not supported for RTLdrLoad() images.
619	*/
620	RTDECL(int) RTLdrGetBits(RTLDRMOD hLdrMod, void pvBits, RTLDRADDR BaseAddress, PFNRTLDRIMPORT pfnGetImport, void pvUser);
621
622	/**
623	* Relocates bits after getting them.
624	* Useful for code which moves around a bit.
625	*
626	* @returns iprt status code.
627	* @param hLdrMod The loader module handle.
628	* @param pvBits Where the image bits are.
629	* Must have been passed to RTLdrGetBits().
630	* @param NewBaseAddress The new base address.
631	* @param OldBaseAddress The old base address.
632	* @param pfnGetImport Callback function for resolving imports one by one.
633	* @param pvUser User argument for the callback.
634	* @remark Not supported for RTLdrLoad() images.
635	*/
636	RTDECL(int) RTLdrRelocate(RTLDRMOD hLdrMod, void *pvBits, RTLDRADDR NewBaseAddress, RTLDRADDR OldBaseAddress,
637	PFNRTLDRIMPORT pfnGetImport, void *pvUser);
638
639	/**
640	* Enumeration callback function used by RTLdrEnumSymbols().
641	*
642	* @returns iprt status code. Failure will stop the enumeration.
643	* @param hLdrMod The loader module handle.
644	* @param pszSymbol Symbol name. NULL if ordinal only.
645	* @param uSymbol Symbol ordinal, ~0 if not used.
646	* @param Value Symbol value.
647	* @param pvUser The user argument specified to RTLdrEnumSymbols().
648	*/
649	typedef DECLCALLBACK(int) FNRTLDRENUMSYMS(RTLDRMOD hLdrMod, const char pszSymbol, unsigned uSymbol, RTLDRADDR Value, void pvUser);
650	/** Pointer to a FNRTLDRENUMSYMS() callback function. */
651	typedef FNRTLDRENUMSYMS *PFNRTLDRENUMSYMS;
652
653	/**
654	* Enumerates all symbols in a module.
655	*
656	* @returns iprt status code.
657	* @param hLdrMod The loader module handle.
658	* @param fFlags Flags indicating what to return and such.
659	* @param pvBits Optional pointer to the loaded image. (RTLDR_ENUM_SYMBOL_FLAGS_*)
660	* Set this to NULL if no RTLdrGetBits() processed image bits are available.
661	* @param BaseAddress Image load address.
662	* @param pfnCallback Callback function.
663	* @param pvUser User argument for the callback.
664	* @remark Not supported for RTLdrLoad() images.
665	*/
666	RTDECL(int) RTLdrEnumSymbols(RTLDRMOD hLdrMod, unsigned fFlags, const void pvBits, RTLDRADDR BaseAddress, PFNRTLDRENUMSYMS pfnCallback, void pvUser);
667
668	/** @name RTLdrEnumSymbols flags.
669	* @{ */
670	/** Returns ALL kinds of symbols. The default is to only return public/exported symbols. */
671	#define RTLDR_ENUM_SYMBOL_FLAGS_ALL RT_BIT(1)
672	/** Ignore forwarders (for use with RTLDR_ENUM_SYMBOL_FLAGS_ALL). */
673	#define RTLDR_ENUM_SYMBOL_FLAGS_NO_FWD RT_BIT(2)
674	/** @} */
675
676
677	/**
678	* Debug info type (as far the loader can tell).
679	*/
680	typedef enum RTLDRDBGINFOTYPE
681	{
682	/** The invalid 0 value. */
683	RTLDRDBGINFOTYPE_INVALID = 0,
684	/** Unknown debug info format. */
685	RTLDRDBGINFOTYPE_UNKNOWN,
686	/** Stabs. */
687	RTLDRDBGINFOTYPE_STABS,
688	/** Debug With Arbitrary Record Format (DWARF). */
689	RTLDRDBGINFOTYPE_DWARF,
690	/** Debug With Arbitrary Record Format (DWARF), in external file (DWO). */
691	RTLDRDBGINFOTYPE_DWARF_DWO,
692	/** Microsoft Codeview debug info. */
693	RTLDRDBGINFOTYPE_CODEVIEW,
694	/** Microsoft Codeview debug info, in external v2.0+ program database (PDB). */
695	RTLDRDBGINFOTYPE_CODEVIEW_PDB20,
696	/** Microsoft Codeview debug info, in external v7.0+ program database (PDB). */
697	RTLDRDBGINFOTYPE_CODEVIEW_PDB70,
698	/** Microsoft Codeview debug info, in external file (DBG). */
699	RTLDRDBGINFOTYPE_CODEVIEW_DBG,
700	/** Microsoft COFF debug info. */
701	RTLDRDBGINFOTYPE_COFF,
702	/** Watcom debug info. */
703	RTLDRDBGINFOTYPE_WATCOM,
704	/** IBM High Level Language debug info. */
705	RTLDRDBGINFOTYPE_HLL,
706	/** The end of the valid debug info values (exclusive). */
707	RTLDRDBGINFOTYPE_END,
708	/** Blow the type up to 32-bits. */
709	RTLDRDBGINFOTYPE_32BIT_HACK = 0x7fffffff
710	} RTLDRDBGINFOTYPE;
711
712
713	/**
714	* Debug info details for the enumeration callback.
715	*/
716	typedef struct RTLDRDBGINFO
717	{
718	/** The kind of debug info. */
719	RTLDRDBGINFOTYPE enmType;
720	/** The debug info ordinal number / id. */
721	uint32_t iDbgInfo;
722	/** The file offset if this type has one specific location in the executable
723	* image file. This is -1 if there isn't any specific file location. */
724	RTFOFF offFile;
725	/** The link address of the debug info if it's loadable. NIL_RTLDRADDR if not
726	* loadable*/
727	RTLDRADDR LinkAddress;
728	/** The size of the debug information. -1 is used if this isn't applicable.*/
729	RTLDRADDR cb;
730	/** This is set if the debug information is found in an external file. NULL
731	* if no external file involved.
732	* @note Putting it outside the union to allow lazy callback implementation. */
733	const char *pszExtFile;
734	/** Type (enmType) specific information. */
735	union
736	{
737	/** RTLDRDBGINFOTYPE_DWARF */
738	struct
739	{
740	/** The section name. */
741	const char *pszSection;
742	} Dwarf;
743
744	/** RTLDRDBGINFOTYPE_DWARF_DWO */
745	struct
746	{
747	/** The CRC32 of the external file. */
748	uint32_t uCrc32;
749	} Dwo;
750
751	/** RTLDRDBGINFOTYPE_CODEVIEW, RTLDRDBGINFOTYPE_COFF */
752	struct
753	{
754	/** The PE image size. */
755	uint32_t cbImage;
756	/** The timestamp. */
757	uint32_t uTimestamp;
758	/** The major version from the entry. */
759	uint32_t uMajorVer;
760	/** The minor version from the entry. */
761	uint32_t uMinorVer;
762	} Cv, Coff;
763
764	/** RTLDRDBGINFOTYPE_CODEVIEW_DBG */
765	struct
766	{
767	/** The PE image size. */
768	uint32_t cbImage;
769	/** The timestamp. */
770	uint32_t uTimestamp;
771	} Dbg;
772
773	/** RTLDRDBGINFOTYPE_CODEVIEW_PDB20*/
774	struct
775	{
776	/** The PE image size. */
777	uint32_t cbImage;
778	/** The timestamp. */
779	uint32_t uTimestamp;
780	/** The PDB age. */
781	uint32_t uAge;
782	} Pdb20;
783
784	/** RTLDRDBGINFOTYPE_CODEVIEW_PDB70 */
785	struct
786	{
787	/** The PE image size. */
788	uint32_t cbImage;
789	/** The PDB age. */
790	uint32_t uAge;
791	/** The UUID. */
792	RTUUID Uuid;
793	} Pdb70;
794	} u;
795	} RTLDRDBGINFO;
796	/** Pointer to debug info details. */
797	typedef RTLDRDBGINFO *PRTLDRDBGINFO;
798	/** Pointer to read only debug info details. */
799	typedef RTLDRDBGINFO const *PCRTLDRDBGINFO;
800
801
802	/**
803	* Debug info enumerator callback.
804	*
805	* @returns VINF_SUCCESS to continue the enumeration. Any other status code
806	* will cause RTLdrEnumDbgInfo to immediately return with that status.
807	*
808	* @param hLdrMod The module handle.
809	* @param pDbgInfo Pointer to a read only structure with the details.
810	* @param pvUser The user parameter specified to RTLdrEnumDbgInfo.
811	*/
812	typedef DECLCALLBACK(int) FNRTLDRENUMDBG(RTLDRMOD hLdrMod, PCRTLDRDBGINFO pDbgInfo, void *pvUser);
813	/** Pointer to a debug info enumerator callback. */
814	typedef FNRTLDRENUMDBG *PFNRTLDRENUMDBG;
815
816	/**
817	* Enumerate the debug info contained in the executable image.
818	*
819	* @returns IPRT status code or whatever pfnCallback returns.
820	*
821	* @param hLdrMod The module handle.
822	* @param pvBits Optional pointer to bits returned by
823	* RTLdrGetBits(). This can be used by some module
824	* interpreters to reduce memory consumption.
825	* @param pfnCallback The callback function.
826	* @param pvUser The user argument.
827	*/
828	RTDECL(int) RTLdrEnumDbgInfo(RTLDRMOD hLdrMod, const void pvBits, PFNRTLDRENUMDBG pfnCallback, void pvUser);
829
830
831	/**
832	* Loader segment.
833	*/
834	typedef struct RTLDRSEG
835	{
836	/** The segment name. Always set to something. */
837	const char *pszName;
838	/** The length of the segment name. */
839	uint32_t cchName;
840	/** The flat selector to use for the segment (i.e. data/code).
841	* Primarily a way for the user to specify selectors for the LX/LE and NE interpreters. */
842	uint16_t SelFlat;
843	/** The 16-bit selector to use for the segment.
844	* Primarily a way for the user to specify selectors for the LX/LE and NE interpreters. */
845	uint16_t Sel16bit;
846	/** Segment flags. */
847	uint32_t fFlags;
848	/** The segment protection (RTMEM_PROT_XXX). */
849	uint32_t fProt;
850	/** The size of the segment. */
851	RTLDRADDR cb;
852	/** The required segment alignment.
853	* The to 0 if the segment isn't supposed to be mapped. */
854	RTLDRADDR Alignment;
855	/** The link address.
856	* Set to NIL_RTLDRADDR if the segment isn't supposed to be mapped or if
857	* the image doesn't have link addresses. */
858	RTLDRADDR LinkAddress;
859	/** File offset of the segment.
860	* Set to -1 if no file backing (like BSS). */
861	RTFOFF offFile;
862	/** Size of the file bits of the segment.
863	* Set to -1 if no file backing (like BSS). */
864	RTFOFF cbFile;
865	/** The relative virtual address when mapped.
866	* Set to NIL_RTLDRADDR if the segment isn't supposed to be mapped. */
867	RTLDRADDR RVA;
868	/** The size of the segment including the alignment gap up to the next segment when mapped.
869	* This is set to NIL_RTLDRADDR if not implemented. */
870	RTLDRADDR cbMapped;
871	} RTLDRSEG;
872	/** Pointer to a loader segment. */
873	typedef RTLDRSEG *PRTLDRSEG;
874	/** Pointer to a read only loader segment. */
875	typedef RTLDRSEG const *PCRTLDRSEG;
876
877
878	/** @name Segment flags
879	* @{ */
880	/** The segment is 16-bit. When not set the default of the target architecture is assumed. */
881	#define RTLDRSEG_FLAG_16BIT UINT32_C(1)
882	/** The segment requires a 16-bit selector alias. (OS/2) */
883	#define RTLDRSEG_FLAG_OS2_ALIAS16 UINT32_C(2)
884	/** Conforming segment (x86 weirdness). (OS/2) */
885	#define RTLDRSEG_FLAG_OS2_CONFORM UINT32_C(4)
886	/** IOPL (ring-2) segment. (OS/2) */
887	#define RTLDRSEG_FLAG_OS2_IOPL UINT32_C(8)
888	/** @} */
889
890	/**
891	* Segment enumerator callback.
892	*
893	* @returns VINF_SUCCESS to continue the enumeration. Any other status code
894	* will cause RTLdrEnumSegments to immediately return with that
895	* status.
896	*
897	* @param hLdrMod The module handle.
898	* @param pSeg The segment information.
899	* @param pvUser The user parameter specified to RTLdrEnumSegments.
900	*/
901	typedef DECLCALLBACK(int) FNRTLDRENUMSEGS(RTLDRMOD hLdrMod, PCRTLDRSEG pSeg, void *pvUser);
902	/** Pointer to a segment enumerator callback. */
903	typedef FNRTLDRENUMSEGS *PFNRTLDRENUMSEGS;
904
905	/**
906	* Enumerate the debug info contained in the executable image.
907	*
908	* @returns IPRT status code or whatever pfnCallback returns.
909	*
910	* @param hLdrMod The module handle.
911	* @param pfnCallback The callback function.
912	* @param pvUser The user argument.
913	*/
914	RTDECL(int) RTLdrEnumSegments(RTLDRMOD hLdrMod, PFNRTLDRENUMSEGS pfnCallback, void *pvUser);
915
916	/**
917	* Converts a link address to a segment:offset address.
918	*
919	* @returns IPRT status code.
920	*
921	* @param hLdrMod The module handle.
922	* @param LinkAddress The link address to convert.
923	* @param piSeg Where to return the segment index.
924	* @param poffSeg Where to return the segment offset.
925	*/
926	RTDECL(int) RTLdrLinkAddressToSegOffset(RTLDRMOD hLdrMod, RTLDRADDR LinkAddress, uint32_t *piSeg, PRTLDRADDR poffSeg);
927
928	/**
929	* Converts a link address to an image relative virtual address (RVA).
930	*
931	* @returns IPRT status code.
932	*
933	* @param hLdrMod The module handle.
934	* @param LinkAddress The link address to convert.
935	* @param pRva Where to return the RVA.
936	*/
937	RTDECL(int) RTLdrLinkAddressToRva(RTLDRMOD hLdrMod, RTLDRADDR LinkAddress, PRTLDRADDR pRva);
938
939	/**
940	* Converts an image relative virtual address (RVA) to a segment:offset.
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) RTLdrSegOffsetToRva(RTLDRMOD hLdrMod, uint32_t iSeg, RTLDRADDR offSeg, PRTLDRADDR pRva);
950
951	/**
952	* Converts a segment:offset into an image relative virtual address (RVA).
953	*
954	* @returns IPRT status code.
955	*
956	* @param hLdrMod The module handle.
957	* @param Rva The link address to convert.
958	* @param piSeg Where to return the segment index.
959	* @param poffSeg Where to return the segment offset.
960	*/
961	RTDECL(int) RTLdrRvaToSegOffset(RTLDRMOD hLdrMod, RTLDRADDR Rva, uint32_t *piSeg, PRTLDRADDR poffSeg);
962
963	/**
964	* Gets the image format.
965	*
966	* @returns Valid image format on success. RTLDRFMT_INVALID on invalid handle or
967	* other errors.
968	* @param hLdrMod The module handle.
969	*/
970	RTDECL(RTLDRFMT) RTLdrGetFormat(RTLDRMOD hLdrMod);
971
972	/**
973	* Gets the image type.
974	*
975	* @returns Valid image type value on success. RTLDRTYPE_INVALID on
976	* invalid handle or other errors.
977	* @param hLdrMod The module handle.
978	*/
979	RTDECL(RTLDRTYPE) RTLdrGetType(RTLDRMOD hLdrMod);
980
981	/**
982	* Gets the image endian-ness.
983	*
984	* @returns Valid image endian value on success. RTLDRENDIAN_INVALID on invalid
985	* handle or other errors.
986	* @param hLdrMod The module handle.
987	*/
988	RTDECL(RTLDRENDIAN) RTLdrGetEndian(RTLDRMOD hLdrMod);
989
990	/**
991	* Gets the image endian-ness.
992	*
993	* @returns Valid image architecture value on success.
994	* RTLDRARCH_INVALID on invalid handle or other errors.
995	* @param hLdrMod The module handle.
996	*/
997	RTDECL(RTLDRARCH) RTLdrGetArch(RTLDRMOD hLdrMod);
998
999	/**
1000	* Loader properties that can be queried thru RTLdrQueryProp.
1001	*/
1002	typedef enum RTLDRPROP
1003	{
1004	RTLDRPROP_INVALID = 0,
1005	/** The image UUID (Mach-O).
1006	* Returns a RTUUID in the buffer. */
1007	RTLDRPROP_UUID,
1008	/** The image timestamp in seconds, genrally since unix epoc.
1009	* Returns a 32-bit or 64-bit signed integer value in the buffer. */
1010	RTLDRPROP_TIMESTAMP_SECONDS,
1011	/** Checks if the image is signed.
1012	* Returns a bool. */
1013	RTLDRPROP_IS_SIGNED,
1014	/** Retrives the PKCS \#7 SignedData blob that signs the image.
1015	* Returns variable sized buffer containing the ASN.1 BER encoding.
1016	*
1017	* @remarks This generally starts with a PKCS \#7 Content structure, the
1018	* SignedData bit is found a few levels down into this as per RFC. */
1019	RTLDRPROP_PKCS7_SIGNED_DATA,
1020
1021	/** Query whether code signature checks are enabled. */
1022	RTLDRPROP_SIGNATURE_CHECKS_ENFORCED,
1023
1024	/** Number of import or needed modules. */
1025	RTLDRPROP_IMPORT_COUNT,
1026	/** Import module by index (32-bit) stored in the buffer. */
1027	RTLDRPROP_IMPORT_MODULE,
1028	/** The file offset of the main executable header.
1029	* This is mainly for PE, NE and LX headers, but also Mach-O FAT. */
1030	RTLDRPROP_FILE_OFF_HEADER,
1031	/** The internal module name.
1032	* This is the SONAME for ELF, export table name for PE, and zero'th resident
1033	* name table entry for LX.
1034	* Returns zero terminated string. */
1035	RTLDRPROP_INTERNAL_NAME,
1036
1037	/** End of valid properties. */
1038	RTLDRPROP_END,
1039	/** Blow the type up to 32 bits. */
1040	RTLDRPROP_32BIT_HACK = 0x7fffffff
1041	} RTLDRPROP;
1042
1043	/**
1044	* Generic method for querying image properties.
1045	*
1046	* @returns IPRT status code.
1047	* @retval VERR_NOT_SUPPORTED if the property query isn't supported (either all
1048	* or that specific property). The caller must handle this result.
1049	* @retval VERR_NOT_FOUND the property was not found in the module. The caller
1050	* must also normally deal with this.
1051	* @retval VERR_INVALID_FUNCTION if the function value is wrong.
1052	* @retval VERR_INVALID_PARAMETER if the buffer size is wrong.
1053	* @retval VERR_BUFFER_OVERFLOW if the function doesn't have a fixed size
1054	* buffer and the buffer isn't big enough. Use RTLdrQueryPropEx.
1055	* @retval VERR_INVALID_HANDLE if the handle is invalid.
1056	*
1057	* @param hLdrMod The module handle.
1058	* @param enmProp The property to query.
1059	* @param pvBuf Pointer to the input / output buffer. In most cases
1060	* it's only used for returning data.
1061	* @param cbBuf The size of the buffer.
1062	*/
1063	RTDECL(int) RTLdrQueryProp(RTLDRMOD hLdrMod, RTLDRPROP enmProp, void *pvBuf, size_t cbBuf);
1064
1065	/**
1066	* Generic method for querying image properties, extended version.
1067	*
1068	* @returns IPRT status code.
1069	* @retval VERR_NOT_SUPPORTED if the property query isn't supported (either all
1070	* or that specific property). The caller must handle this result.
1071	* @retval VERR_NOT_FOUND the property was not found in the module. The caller
1072	* must also normally deal with this.
1073	* @retval VERR_INVALID_FUNCTION if the function value is wrong.
1074	* @retval VERR_INVALID_PARAMETER if the fixed buffer size is wrong. Correct
1075	* size in @a *pcbRet.
1076	* @retval VERR_BUFFER_OVERFLOW if the function doesn't have a fixed size
1077	* buffer and the buffer isn't big enough. Correct size in @a *pcbRet.
1078	* @retval VERR_INVALID_HANDLE if the handle is invalid.
1079	*
1080	* @param hLdrMod The module handle.
1081	* @param enmProp The property to query.
1082	* @param pvBits Optional pointer to bits returned by
1083	* RTLdrGetBits(). This can be utilized by some module
1084	* interpreters to reduce memory consumption and file
1085	* access.
1086	* @param pvBuf Pointer to the input / output buffer. In most cases
1087	* it's only used for returning data.
1088	* @param cbBuf The size of the buffer.
1089	* @param pcbRet Where to return the amount of data returned. On
1090	* buffer size errors, this is set to the correct size.
1091	* Optional.
1092	*/
1093	RTDECL(int) RTLdrQueryPropEx(RTLDRMOD hLdrMod, RTLDRPROP enmProp, void pvBits, void pvBuf, size_t cbBuf, size_t *pcbRet);
1094
1095
1096	/**
1097	* Signature type, see FNRTLDRVALIDATESIGNEDDATA.
1098	*/
1099	typedef enum RTLDRSIGNATURETYPE
1100	{
1101	/** Invalid value. */
1102	RTLDRSIGNATURETYPE_INVALID = 0,
1103	/** A RTPKCS7CONTENTINFO structure w/ RTPKCS7SIGNEDDATA inside.
1104	* It's parsed, so the whole binary ASN.1 representation can be found by
1105	* using RTASN1CORE_GET_RAW_ASN1_PTR() and RTASN1CORE_GET_RAW_ASN1_SIZE(). */
1106	RTLDRSIGNATURETYPE_PKCS7_SIGNED_DATA,
1107	/** End of valid values. */
1108	RTLDRSIGNATURETYPE_END,
1109	/** Make sure the size is 32-bit. */
1110	RTLDRSIGNATURETYPE_32BIT_HACK = 0x7fffffff
1111	} RTLDRSIGNATURETYPE;
1112
1113	/**
1114	* Callback used by RTLdrVerifySignature to verify the signature and associated
1115	* certificates.
1116	*
1117	* @returns IPRT status code.
1118	* @param hLdrMod The module handle.
1119	* @param enmSignature The signature format.
1120	* @param pvSignature The signature data. Format given by @a enmSignature.
1121	* @param cbSignature The size of the buffer @a pvSignature points to.
1122	* @param pErrInfo Pointer to an error info buffer, optional.
1123	* @param pvUser User argument.
1124	*
1125	*/
1126	typedef DECLCALLBACK(int) FNRTLDRVALIDATESIGNEDDATA(RTLDRMOD hLdrMod, RTLDRSIGNATURETYPE enmSignature, void const *pvSignature, size_t cbSignature,
1127	PRTERRINFO pErrInfo, void *pvUser);
1128	/** Pointer to a signature verification callback. */
1129	typedef FNRTLDRVALIDATESIGNEDDATA *PFNRTLDRVALIDATESIGNEDDATA;
1130
1131	/**
1132	* Verify the image signature.
1133	*
1134	* This may permform additional integrity checks on the image structures that
1135	* was not done when opening the image.
1136	*
1137	* @returns IPRT status code.
1138	* @retval VERR_LDRVI_NOT_SIGNED if not signed.
1139	*
1140	* @param hLdrMod The module handle.
1141	* @param pfnCallback Callback that does the signature and certificate
1142	* verficiation.
1143	* @param pvUser User argument for the callback.
1144	* @param pErrInfo Pointer to an error info buffer. Optional.
1145	*/
1146	RTDECL(int) RTLdrVerifySignature(RTLDRMOD hLdrMod, PFNRTLDRVALIDATESIGNEDDATA pfnCallback, void *pvUser, PRTERRINFO pErrInfo);
1147
1148	/**
1149	* Calculate the image hash according the image signing rules.
1150	*
1151	* @returns IPRT status code.
1152	* @param hLdrMod The module handle.
1153	* @param enmDigest Which kind of digest.
1154	* @param pszDigest Where to store the image digest.
1155	* @param cbDigest Size of the buffer @a pszDigest points at.
1156	*/
1157	RTDECL(int) RTLdrHashImage(RTLDRMOD hLdrMod, RTDIGESTTYPE enmDigest, char *pszDigest, size_t cbDigest);
1158
1159	RT_C_DECLS_END
1160
1161	/** @} */
1162
1163	#endif
1164

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