DBGPlugInSolaris.cpp@ 68155

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1	/* $Id: DBGPlugInSolaris.cpp 63567 2016-08-16 14:06:54Z vboxsync $ */
2	/** @file
3	* DBGPlugInSolaris - Debugger and Guest OS Digger Plugin For Solaris.
4	*/
5
6	/*
7	* Copyright (C) 2008-2016 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
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_DBGF /// @todo add new log group.
23	#include "DBGPlugIns.h"
24	#include "DBGPlugInCommonELF.h"
25	#include <VBox/vmm/dbgf.h>
26	#include <iprt/asm.h>
27	#include <iprt/mem.h>
28	#include <iprt/stream.h>
29	#include <iprt/string.h>
30
31
32	/*********************************************************************************************************************************
33	* Defined Constants And Macros *
34	*********************************************************************************************************************************/
35	/** Solaris on little endian ASCII systems. */
36	#define DIG_SOL_MOD_TAG UINT64_C(0x00736972616c6f53)
37
38
39	/*********************************************************************************************************************************
40	* Structures and Typedefs *
41	*********************************************************************************************************************************/
42
43	/** @name InternalSolaris structures
44	* @{ */
45
46	/** sys/modctl.h */
47	typedef struct SOL32v11_modctl
48	{
49	uint32_t mod_next; /*< 0 /
50	uint32_t mod_prev; /*< 4 /
51	int32_t mod_id; /*< 8 /
52	uint32_t mod_mp; /*< c Pointer to the kernel runtime loader bits. /
53	uint32_t mod_inprogress_thread; /*< 10 /
54	uint32_t mod_modinfo; /*< 14 /
55	uint32_t mod_linkage; /*< 18 /
56	uint32_t mod_filename; /*< 1c /
57	uint32_t mod_modname; /*< 20 /
58	int8_t mod_busy; /*< 24 /
59	int8_t mod_want; /*< 25 /
60	int8_t mod_prim; /*< 26 this is 1 for 'unix' and a few others. /
61	int8_t mod_unused_padding; /*< 27 /
62	int32_t mod_ref; /*< 28 /
63	int8_t mod_loaded; /*< 2c /
64	int8_t mod_installed; /*< 2d /
65	int8_t mod_loadflags; /*< 2e /
66	int8_t mod_delay_unload; /*< 2f /
67	uint32_t mod_requisites; /*< 30 /
68	uint32_t mod___unused; /*< 34 /
69	int32_t mod_loadcnt; /*< 38 /
70	int32_t mod_nenabled; /*< 3c /
71	uint32_t mod_text; /*< 40 /
72	uint32_t mod_text_size; /*< 44 /
73	int32_t mod_gencount; /*< 48 /
74	uint32_t mod_requisite_loading; /*< 4c /
75	} SOL32v11_modctl_t;
76	AssertCompileSize(SOL32v11_modctl_t, 0x50);
77
78	typedef struct SOL64v11_modctl
79	{
80	uint64_t mod_next; /*< 0 /
81	uint64_t mod_prev; /*< 8 /
82	int32_t mod_id; /*< 10 /
83	int32_t mod_padding0;
84	uint64_t mod_mp; /*< 18 Pointer to the kernel runtime loader bits. /
85	uint64_t mod_inprogress_thread; /*< 20 /
86	uint64_t mod_modinfo; /*< 28 /
87	uint64_t mod_linkage; /*< 30 /
88	uint64_t mod_filename; /*< 38 /
89	uint64_t mod_modname; /*< 40 /
90	int8_t mod_busy; /*< 48 /
91	int8_t mod_want; /*< 49 /
92	int8_t mod_prim; /*< 4a this is 1 for 'unix' and a few others. /
93	int8_t mod_unused_padding; /*< 4b /
94	int32_t mod_ref; /*< 4c /
95	int8_t mod_loaded; /*< 50 /
96	int8_t mod_installed; /*< 51 /
97	int8_t mod_loadflags; /*< 52 /
98	int8_t mod_delay_unload; /*< 53 /
99	int32_t mod_padding1;
100	uint64_t mod_requisites; /*< 58 /
101	uint64_t mod___unused; /*< 60 /
102	int32_t mod_loadcnt; /*< 68 /
103	int32_t mod_nenabled; /*< 6c /
104	uint64_t mod_text; /*< 70 /
105	uint64_t mod_text_size; /*< 78 /
106	int32_t mod_gencount; /*< 80 /
107	int32_t mod_padding2;
108	uint64_t mod_requisite_loading; /*< 88 /
109	} SOL64v11_modctl_t;
110	AssertCompileSize(SOL64v11_modctl_t, 0x90);
111
112	typedef struct SOL32v9_modctl
113	{
114	uint32_t mod_next; /*< 0 /
115	uint32_t mod_prev; /*< 4 /
116	int32_t mod_id; /*< 8 /
117	uint32_t mod_mp; /*< c Pointer to the kernel runtime loader bits. /
118	uint32_t mod_inprogress_thread; /*< 10 /
119	uint32_t mod_modinfo; /*< 14 /
120	uint32_t mod_linkage; /*< 18 /
121	uint32_t mod_filename; /*< 1c /
122	uint32_t mod_modname; /*< 20 /
123	int32_t mod_busy; /*< 24 /
124	int32_t mod_stub; /*< 28 DIFF 1 /
125	int8_t mod_loaded; /*< 2c /
126	int8_t mod_installed; /*< 2d /
127	int8_t mod_loadflags; /*< 2e /
128	int8_t mod_want; /*< 2f DIFF 2 /
129	uint32_t mod_requisites; /*< 30 /
130	uint32_t mod_dependents; /*< 34 DIFF 3 /
131	int32_t mod_loadcnt; /*< 38 /
132	/* DIFF 4: 4 bytes added in v11 */
133	uint32_t mod_text; /*< 3c /
134	uint32_t mod_text_size; /*< 40 /
135	/* DIFF 5: 8 bytes added in v11 */
136	} SOL32v9_modctl_t;
137	AssertCompileSize(SOL32v9_modctl_t, 0x44);
138
139	typedef struct SOL64v9_modctl
140	{
141	uint64_t mod_next; /*< 0 /
142	uint64_t mod_prev; /*< 8 /
143	int32_t mod_id; /*< 10 /
144	int32_t mod_padding0;
145	uint64_t mod_mp; /*< 18 Pointer to the kernel runtime loader bits. /
146	uint64_t mod_inprogress_thread; /*< 20 /
147	uint64_t mod_modinfo; /*< 28 /
148	uint64_t mod_linkage; /*< 30 /
149	uint64_t mod_filename; /*< 38 /
150	uint64_t mod_modname; /*< 40 /
151	int32_t mod_busy; /*< 48 /
152	int32_t mod_stub; /*< 4c DIFF 1 - is this a pointer? /
153	int8_t mod_loaded; /*< 50 /
154	int8_t mod_installed; /*< 51 /
155	int8_t mod_loadflags; /*< 52 /
156	int8_t mod_want; /*< 53 DIFF 2 /
157	int32_t mod_padding1;
158	uint64_t mod_requisites; /*< 58 /
159	uint64_t mod_dependencies; /*< 60 DIFF 3 /
160	int32_t mod_loadcnt; /*< 68 /
161	int32_t mod_padding3; /*< 6c DIFF 4 /
162	uint64_t mod_text; /*< 70 /
163	uint64_t mod_text_size; /*< 78 /
164	/* DIFF 5: 8 bytes added in v11 */
165	} SOL64v9_modctl_t;
166	AssertCompileSize(SOL64v9_modctl_t, 0x80);
167
168	typedef union SOL_modctl
169	{
170	SOL32v9_modctl_t v9_32;
171	SOL32v11_modctl_t v11_32;
172	SOL64v9_modctl_t v9_64;
173	SOL64v11_modctl_t v11_64;
174	} SOL_modctl_t;
175
176	/** sys/kobj.h */
177	typedef struct SOL32_module
178	{
179	int32_t total_allocated; /*< 0 /
180	Elf32_Ehdr hdr; /*< 4 Easy to validate /
181	uint32_t shdrs; /*< 38 /
182	uint32_t symhdr; /*< 3c /
183	uint32_t strhdr; /*< 40 /
184	uint32_t depends_on; /*< 44 /
185	uint32_t symsize; /*< 48 /
186	uint32_t symspace; /*< 4c /
187	int32_t flags; /*< 50 /
188	uint32_t text_size; /*< 54 /
189	uint32_t data_size; /*< 58 /
190	uint32_t text; /*< 5c /
191	uint32_t data; /*< 60 /
192	uint32_t symtbl_section; /*< 64 /
193	uint32_t symtbl; /*< 68 /
194	uint32_t strings; /*< 6c /
195	uint32_t hashsize; /*< 70 /
196	uint32_t buckets; /*< 74 /
197	uint32_t chains; /*< 78 /
198	uint32_t nsyms; /*< 7c /
199	uint32_t bss_align; /*< 80 /
200	uint32_t bss_size; /*< 84 /
201	uint32_t bss; /*< 88 /
202	uint32_t filename; /*< 8c /
203	uint32_t head; /*< 90 /
204	uint32_t tail; /*< 94 /
205	uint32_t destination; /*< 98 /
206	uint32_t machdata; /*< 9c /
207	uint32_t ctfdata; /*< a0 /
208	uint32_t ctfsize; /*< a4 /
209	uint32_t fbt_tab; /*< a8 /
210	uint32_t fbt_size; /*< ac /
211	uint32_t fbt_nentries; /*< b0 /
212	uint32_t textwin; /*< b4 /
213	uint32_t textwin_base; /*< b8 /
214	uint32_t sdt_probes; /*< bc /
215	uint32_t sdt_nprobes; /*< c0 /
216	uint32_t sdt_tab; /*< c4 /
217	uint32_t sdt_size; /*< c8 /
218	uint32_t sigdata; /*< cc /
219	uint32_t sigsize; /*< d0 /
220	} SOL32_module_t;
221	AssertCompileSize(Elf32_Ehdr, 0x34);
222	AssertCompileSize(SOL32_module_t, 0xd4);
223
224	typedef struct SOL64_module
225	{
226	int32_t total_allocated; /*< 0 /
227	int32_t padding0;
228	Elf64_Ehdr hdr; /*< 8 Easy to validate /
229	uint64_t shdrs; /*< 48 /
230	uint64_t symhdr; /*< 50 /
231	uint64_t strhdr; /*< 58 /
232	uint64_t depends_on; /*< 60 /
233	uint64_t symsize; /*< 68 /
234	uint64_t symspace; /*< 70 /
235	int32_t flags; /*< 78 /
236	int32_t padding1;
237	uint64_t text_size; /*< 80 /
238	uint64_t data_size; /*< 88 /
239	uint64_t text; /*< 90 /
240	uint64_t data; /*< 98 /
241	uint32_t symtbl_section; /*< a0 /
242	int32_t padding2;
243	uint64_t symtbl; /*< a8 /
244	uint64_t strings; /*< b0 /
245	uint32_t hashsize; /*< b8 /
246	int32_t padding3;
247	uint64_t buckets; /*< c0 /
248	uint64_t chains; /*< c8 /
249	uint32_t nsyms; /*< d0 /
250	uint32_t bss_align; /*< d4 /
251	uint64_t bss_size; /*< d8 /
252	uint64_t bss; /*< e0 /
253	uint64_t filename; /*< e8 /
254	uint64_t head; /*< f0 /
255	uint64_t tail; /*< f8 /
256	uint64_t destination; /*< 100 /
257	uint64_t machdata; /*< 108 /
258	uint64_t ctfdata; /*< 110 /
259	uint64_t ctfsize; /*< 118 /
260	uint64_t fbt_tab; /*< 120 /
261	uint64_t fbt_size; /*< 128 /
262	uint64_t fbt_nentries; /*< 130 /
263	uint64_t textwin; /*< 138 /
264	uint64_t textwin_base; /*< 140 /
265	uint64_t sdt_probes; /*< 148 /
266	uint64_t sdt_nprobes; /*< 150 /
267	uint64_t sdt_tab; /*< 158 /
268	uint64_t sdt_size; /*< 160 /
269	uint64_t sigdata; /*< 168 /
270	uint64_t sigsize; /*< 170 /
271	} SOL64_module_t;
272	AssertCompileSize(Elf64_Ehdr, 0x40);
273	AssertCompileSize(SOL64_module_t, 0x178);
274
275	typedef struct SOL_utsname
276	{
277	char sysname[257];
278	char nodename[257];
279	char release[257];
280	char version[257];
281	char machine[257];
282	} SOL_utsname_t;
283	AssertCompileSize(SOL_utsname_t, 5 * 257);
284
285	/** @} */
286
287
288	/**
289	* Solaris guest OS digger instance data.
290	*/
291	typedef struct DBGDIGGERSOLARIS
292	{
293	/** Whether the information is valid or not.
294	* (For fending off illegal interface method calls.) */
295	bool fValid;
296
297	/** Address of the 'unix' text segment.
298	* This is set during probing. */
299	DBGFADDRESS AddrUnixText;
300	/** Address of the 'unix' text segment.
301	* This is set during probing. */
302	DBGFADDRESS AddrUnixData;
303	/** Address of the 'unix' modctl_t (aka modules). */
304	DBGFADDRESS AddrUnixModCtl;
305	/** modctl_t version number. */
306	int iModCtlVer;
307	/** 64-bit/32-bit indicator. */
308	bool f64Bit;
309
310	} DBGDIGGERSOLARIS;
311	/** Pointer to the solaris guest OS digger instance data. */
312	typedef DBGDIGGERSOLARIS *PDBGDIGGERSOLARIS;
313
314
315	/*********************************************************************************************************************************
316	* Defined Constants And Macros *
317	*********************************************************************************************************************************/
318	/** Min kernel address. */
319	#define SOL32_MIN_KRNL_ADDR UINT32_C(0x80000000)
320	/** Max kernel address. */
321	#define SOL32_MAX_KRNL_ADDR UINT32_C(0xfffff000)
322
323	/** Min kernel address. */
324	#define SOL64_MIN_KRNL_ADDR UINT64_C(0xFFFFC00000000000)
325	/** Max kernel address. */
326	#define SOL64_MAX_KRNL_ADDR UINT64_C(0xFFFFFFFFFFF00000)
327
328
329	/** Validates a 32-bit solaris kernel address */
330	#if 0 /* OpenSolaris, early boot have symspace at 0x27a2000 */
331	# define SOL32_VALID_ADDRESS(Addr) ((Addr) > SOL32_MIN_KRNL_ADDR && (Addr) < SOL32_MAX_KRNL_ADDR)
332	#else
333	# define SOL32_VALID_ADDRESS(Addr) ( ((Addr) > SOL32_MIN_KRNL_ADDR && (Addr) < SOL32_MAX_KRNL_ADDR) \
334	\|\| ((Addr) > UINT32_C(0x02000000) && (Addr) < UINT32_C(0x04000000)) /* boot */ )
335	#endif
336
337	/** Validates a 64-bit solaris kernel address */
338	#define SOL64_VALID_ADDRESS(Addr) ( (Addr) > SOL64_MIN_KRNL_ADDR \
339	&& (Addr) < SOL64_MAX_KRNL_ADDR)
340
341	/** The max data segment size of the 'unix' module. */
342	#define SOL_UNIX_MAX_DATA_SEG_SIZE 0x01000000
343
344	/** The max code segment size of the 'unix' module.
345	* This is the same for both 64-bit and 32-bit. */
346	#define SOL_UNIX_MAX_CODE_SEG_SIZE 0x00400000
347
348
349	/*********************************************************************************************************************************
350	* Internal Functions *
351	*********************************************************************************************************************************/
352	static DECLCALLBACK(int) dbgDiggerSolarisInit(PUVM pUVM, void *pvData);
353
354
355
356	/**
357	* @copydoc DBGFOSREG::pfnQueryInterface
358	*/
359	static DECLCALLBACK(void ) dbgDiggerSolarisQueryInterface(PUVM pUVM, void pvData, DBGFOSINTERFACE enmIf)
360	{
361	RT_NOREF3(pUVM, pvData, enmIf);
362	return NULL;
363	}
364
365
366	/**
367	* @copydoc DBGFOSREG::pfnQueryVersion
368	*/
369	static DECLCALLBACK(int) dbgDiggerSolarisQueryVersion(PUVM pUVM, void pvData, char pszVersion, size_t cchVersion)
370	{
371	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
372	Assert(pThis->fValid);
373
374	/*
375	* It's all in the utsname symbol...
376	*/
377	SOL_utsname_t UtsName;
378	RT_ZERO(UtsName); /* Make MSC happy. */
379	DBGFADDRESS Addr;
380	RTDBGSYMBOL SymUtsName;
381	int rc = DBGFR3AsSymbolByName(pUVM, DBGF_AS_KERNEL, "utsname", &SymUtsName, NULL);
382	if (RT_SUCCESS(rc))
383	rc = DBGFR3MemRead(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, SymUtsName.Value), &UtsName, sizeof(UtsName));
384	if (RT_FAILURE(rc))
385	{
386	/*
387	* Try searching by the name...
388	*/
389	memset(&UtsName, '\0', sizeof(UtsName));
390	strcpy(&UtsName.sysname[0], "SunOS");
391	rc = DBGFR3MemScan(pUVM, 0, &pThis->AddrUnixData, SOL_UNIX_MAX_DATA_SEG_SIZE, 1,
392	&UtsName.sysname[0], sizeof(UtsName.sysname), &Addr);
393	if (RT_SUCCESS(rc))
394	rc = DBGFR3MemRead(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, Addr.FlatPtr - RT_OFFSETOF(SOL_utsname_t, sysname)),
395	&UtsName, sizeof(UtsName));
396	}
397
398	/*
399	* Copy out the result (if any).
400	*/
401	if (RT_SUCCESS(rc))
402	{
403	if ( UtsName.sysname[sizeof(UtsName.sysname) - 1] != '\0'
404	\|\| UtsName.nodename[sizeof(UtsName.nodename) - 1] != '\0'
405	\|\| UtsName.release[sizeof(UtsName.release) - 1] != '\0'
406	\|\| UtsName.version[sizeof(UtsName.version) - 1] != '\0'
407	\|\| UtsName.machine[sizeof(UtsName.machine) - 1] != '\0')
408	{
409	//rc = VERR_DBGF_UNEXPECTED_OS_DATA;
410	rc = VERR_GENERAL_FAILURE;
411	RTStrPrintf(pszVersion, cchVersion, "failed - bogus utsname");
412	}
413	else
414	RTStrPrintf(pszVersion, cchVersion, "%s %s", UtsName.version, UtsName.release);
415	}
416	else
417	RTStrPrintf(pszVersion, cchVersion, "failed - %Rrc", rc);
418
419	return rc;
420	}
421
422
423
424	/**
425	* Processes a modctl_t.
426	*
427	* @param pUVM The user mode VM handle.
428	* @param pThis Our instance data.
429	* @param pModCtl Pointer to the modctl structure.
430	*/
431	static void dbgDiggerSolarisProcessModCtl32(PUVM pUVM, PDBGDIGGERSOLARIS pThis, SOL_modctl_t const *pModCtl)
432	{
433	RT_NOREF1(pThis);
434
435	/* skip it if it's not loaded and installed */
436	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_loaded, v9_32.mod_loaded);
437	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_installed, v9_32.mod_installed);
438	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_id, v9_32.mod_id);
439	if ( ( !pModCtl->v9_32.mod_loaded
440	\|\| !pModCtl->v9_32.mod_installed)
441	&& pModCtl->v9_32.mod_id > 3)
442	return;
443
444	/*
445	* Read the module and file names first
446	*/
447	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_modname, v9_32.mod_modname);
448	char szModName[64];
449	DBGFADDRESS Addr;
450	int rc = DBGFR3MemReadString(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, pModCtl->v9_32.mod_modname), szModName, sizeof(szModName));
451	if (RT_FAILURE(rc))
452	return;
453	if (!RTStrEnd(szModName, sizeof(szModName)))
454	szModName[sizeof(szModName) - 1] = '\0';
455
456	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_filename, v9_32.mod_filename);
457	char szFilename[256];
458	rc = DBGFR3MemReadString(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, pModCtl->v9_32.mod_filename), szFilename, sizeof(szFilename));
459	if (RT_FAILURE(rc))
460	strcpy(szFilename, szModName);
461	else if (!RTStrEnd(szFilename, sizeof(szFilename)))
462	szFilename[sizeof(szFilename) - 1] = '\0';
463
464	/*
465	* Then read the module struct and validate it.
466	*/
467	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_mp, v9_32.mod_mp);
468	struct SOL32_module Module;
469	rc = DBGFR3MemRead(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, pModCtl->v9_32.mod_mp), &Module, sizeof(Module));
470	if (RT_FAILURE(rc))
471	return;
472
473	/* Basic validations of the elf header. */
474	if ( Module.hdr.e_ident[EI_MAG0] != ELFMAG0
475	\|\| Module.hdr.e_ident[EI_MAG1] != ELFMAG1
476	\|\| Module.hdr.e_ident[EI_MAG2] != ELFMAG2
477	\|\| Module.hdr.e_ident[EI_MAG3] != ELFMAG3
478	\|\| Module.hdr.e_ident[EI_CLASS] != ELFCLASS32
479	\|\| Module.hdr.e_ident[EI_DATA] != ELFDATA2LSB
480	\|\| Module.hdr.e_ident[EI_VERSION] != EV_CURRENT
481	\|\| !ASMMemIsZero(&Module.hdr.e_ident[EI_PAD], EI_NIDENT - EI_PAD)
482	)
483	return;
484	if (Module.hdr.e_version != EV_CURRENT)
485	return;
486	if (Module.hdr.e_ehsize != sizeof(Module.hdr))
487	return;
488	if ( Module.hdr.e_type != ET_DYN
489	&& Module.hdr.e_type != ET_REL
490	&& Module.hdr.e_type != ET_EXEC) //??
491	return;
492	if ( Module.hdr.e_machine != EM_386
493	&& Module.hdr.e_machine != EM_486)
494	return;
495	if ( Module.hdr.e_phentsize != sizeof(Elf32_Phdr)
496	&& Module.hdr.e_phentsize) //??
497	return;
498	if (Module.hdr.e_shentsize != sizeof(Elf32_Shdr))
499	return;
500
501	if (Module.hdr.e_shentsize != sizeof(Elf32_Shdr))
502	return;
503
504	/* Basic validations of the rest of the stuff. */
505	if ( !SOL32_VALID_ADDRESS(Module.shdrs)
506	\|\| !SOL32_VALID_ADDRESS(Module.symhdr)
507	\|\| !SOL32_VALID_ADDRESS(Module.strhdr)
508	\|\| (!SOL32_VALID_ADDRESS(Module.symspace) && Module.symspace)
509	\|\| !SOL32_VALID_ADDRESS(Module.text)
510	\|\| !SOL32_VALID_ADDRESS(Module.data)
511	\|\| (!SOL32_VALID_ADDRESS(Module.symtbl) && Module.symtbl)
512	\|\| (!SOL32_VALID_ADDRESS(Module.strings) && Module.strings)
513	\|\| (!SOL32_VALID_ADDRESS(Module.head) && Module.head)
514	\|\| (!SOL32_VALID_ADDRESS(Module.tail) && Module.tail)
515	\|\| !SOL32_VALID_ADDRESS(Module.filename))
516	return;
517	if ( Module.symsize > _4M
518	\|\| Module.hdr.e_shnum > 4096
519	\|\| Module.nsyms > _256K)
520	return;
521
522	/* Ignore modules without symbols. */
523	if (!Module.symtbl \|\| !Module.strings \|\| !Module.symspace \|\| !Module.symsize)
524	return;
525
526	/* Check that the symtbl and strings points inside the symspace. */
527	if (Module.strings - Module.symspace >= Module.symsize)
528	return;
529	if (Module.symtbl - Module.symspace >= Module.symsize)
530	return;
531
532	/*
533	* Read the section headers, symbol table and string tables.
534	*/
535	size_t cb = Module.hdr.e_shnum * sizeof(Elf32_Shdr);
536	Elf32_Shdr paShdrs = (Elf32_Shdr )RTMemTmpAlloc(cb);
537	if (!paShdrs)
538	return;
539	rc = DBGFR3MemRead(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, Module.shdrs), paShdrs, cb);
540	if (RT_SUCCESS(rc))
541	{
542	void *pvSymSpace = RTMemTmpAlloc(Module.symsize + 1);
543	if (pvSymSpace)
544	{
545	rc = DBGFR3MemRead(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, Module.symspace), pvSymSpace, Module.symsize);
546	if (RT_SUCCESS(rc))
547	{
548	((uint8_t *)pvSymSpace)[Module.symsize] = 0;
549
550	/*
551	* Hand it over to the common ELF32 module parser.
552	*/
553	char const pbStrings = (char const )pvSymSpace + (Module.strings - Module.symspace);
554	size_t cbMaxStrings = Module.symsize - (Module.strings - Module.symspace);
555
556	Elf32_Sym const paSyms = (Elf32_Sym const )((uintptr_t)pvSymSpace + (Module.symtbl - Module.symspace));
557	size_t cMaxSyms = (Module.symsize - (Module.symtbl - Module.symspace)) / sizeof(Elf32_Sym);
558	cMaxSyms = RT_MIN(cMaxSyms, Module.nsyms);
559
560	DBGDiggerCommonParseElf32Mod(pUVM, szModName, szFilename, DBG_DIGGER_ELF_FUNNY_SHDRS,
561	&Module.hdr, paShdrs, paSyms, cMaxSyms, pbStrings, cbMaxStrings,
562	SOL32_MIN_KRNL_ADDR, SOL32_MAX_KRNL_ADDR - 1, DIG_SOL_MOD_TAG);
563	}
564	RTMemTmpFree(pvSymSpace);
565	}
566	}
567
568	RTMemTmpFree(paShdrs);
569	return;
570	}
571
572
573	/**
574	* Processes a modctl_t.
575	*
576	* @param pUVM The user mode VM handle.
577	* @param pThis Our instance data.
578	* @param pModCtl Pointer to the modctl structure.
579	*/
580	static void dbgDiggerSolarisProcessModCtl64(PUVM pUVM, PDBGDIGGERSOLARIS pThis, SOL_modctl_t const *pModCtl)
581	{
582	RT_NOREF1(pThis);
583
584	/* skip it if it's not loaded and installed */
585	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_loaded, v9_64.mod_loaded);
586	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_installed, v9_64.mod_installed);
587	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_id, v9_64.mod_id);
588	if ( ( !pModCtl->v9_64.mod_loaded
589	\|\| !pModCtl->v9_64.mod_installed)
590	&& pModCtl->v9_64.mod_id > 3)
591	return;
592
593	/*
594	* Read the module and file names first
595	*/
596	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_modname, v9_64.mod_modname);
597	char szModName[64];
598	DBGFADDRESS Addr;
599	int rc = DBGFR3MemReadString(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, pModCtl->v9_64.mod_modname), szModName, sizeof(szModName));
600	if (RT_FAILURE(rc))
601	return;
602	if (!RTStrEnd(szModName, sizeof(szModName)))
603	szModName[sizeof(szModName) - 1] = '\0';
604
605	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_filename, v9_64.mod_filename);
606	char szFilename[256];
607	rc = DBGFR3MemReadString(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, pModCtl->v9_64.mod_filename), szFilename, sizeof(szFilename));
608	if (RT_FAILURE(rc))
609	strcpy(szFilename, szModName);
610	else if (!RTStrEnd(szFilename, sizeof(szFilename)))
611	szFilename[sizeof(szFilename) - 1] = '\0';
612
613	/*
614	* Then read the module struct and validate it.
615	*/
616	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_mp, v9_64.mod_mp);
617	struct SOL64_module Module;
618	rc = DBGFR3MemRead(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, pModCtl->v9_64.mod_mp), &Module, sizeof(Module));
619	if (RT_FAILURE(rc))
620	return;
621
622	/* Basic validations of the elf header. */
623	if ( Module.hdr.e_ident[EI_MAG0] != ELFMAG0
624	\|\| Module.hdr.e_ident[EI_MAG1] != ELFMAG1
625	\|\| Module.hdr.e_ident[EI_MAG2] != ELFMAG2
626	\|\| Module.hdr.e_ident[EI_MAG3] != ELFMAG3
627	\|\| Module.hdr.e_ident[EI_CLASS] != ELFCLASS64
628	\|\| Module.hdr.e_ident[EI_DATA] != ELFDATA2LSB
629	\|\| Module.hdr.e_ident[EI_VERSION] != EV_CURRENT
630	\|\| !ASMMemIsZero(&Module.hdr.e_ident[EI_PAD], EI_NIDENT - EI_PAD)
631	)
632	return;
633	if (Module.hdr.e_version != EV_CURRENT)
634	return;
635	if (Module.hdr.e_ehsize != sizeof(Module.hdr))
636	return;
637	if ( Module.hdr.e_type != ET_DYN
638	&& Module.hdr.e_type != ET_REL
639	&& Module.hdr.e_type != ET_EXEC) //??
640	return;
641	if (Module.hdr.e_machine != EM_X86_64)
642	return;
643	if ( Module.hdr.e_phentsize != sizeof(Elf64_Phdr)
644	&& Module.hdr.e_phentsize) //??
645	return;
646	if (Module.hdr.e_shentsize != sizeof(Elf64_Shdr))
647	return;
648
649	if (Module.hdr.e_shentsize != sizeof(Elf64_Shdr))
650	return;
651
652	/* Basic validations of the rest of the stuff. */
653	if ( !SOL64_VALID_ADDRESS(Module.shdrs)
654	\|\| !SOL64_VALID_ADDRESS(Module.symhdr)
655	\|\| !SOL64_VALID_ADDRESS(Module.strhdr)
656	\|\| (!SOL64_VALID_ADDRESS(Module.symspace) && Module.symspace)
657	\|\| !SOL64_VALID_ADDRESS(Module.text)
658	\|\| !SOL64_VALID_ADDRESS(Module.data)
659	\|\| (!SOL64_VALID_ADDRESS(Module.symtbl) && Module.symtbl)
660	\|\| (!SOL64_VALID_ADDRESS(Module.strings) && Module.strings)
661	\|\| (!SOL64_VALID_ADDRESS(Module.head) && Module.head)
662	\|\| (!SOL64_VALID_ADDRESS(Module.tail) && Module.tail)
663	\|\| !SOL64_VALID_ADDRESS(Module.filename))
664	return;
665	if ( Module.symsize > _4M
666	\|\| Module.hdr.e_shnum > 4096
667	\|\| Module.nsyms > _256K)
668	return;
669
670	/* Ignore modules without symbols. */
671	if (!Module.symtbl \|\| !Module.strings \|\| !Module.symspace \|\| !Module.symsize)
672	return;
673
674	/* Check that the symtbl and strings points inside the symspace. */
675	if (Module.strings - Module.symspace >= Module.symsize)
676	return;
677	if (Module.symtbl - Module.symspace >= Module.symsize)
678	return;
679
680	/*
681	* Read the section headers, symbol table and string tables.
682	*/
683	size_t cb = Module.hdr.e_shnum * sizeof(Elf64_Shdr);
684	Elf64_Shdr paShdrs = (Elf64_Shdr )RTMemTmpAlloc(cb);
685	if (!paShdrs)
686	return;
687	rc = DBGFR3MemRead(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, Module.shdrs), paShdrs, cb);
688	if (RT_SUCCESS(rc))
689	{
690	void *pvSymSpace = RTMemTmpAlloc(Module.symsize + 1);
691	if (pvSymSpace)
692	{
693	rc = DBGFR3MemRead(pUVM, 0, DBGFR3AddrFromFlat(pUVM, &Addr, Module.symspace), pvSymSpace, Module.symsize);
694	if (RT_SUCCESS(rc))
695	{
696	((uint8_t *)pvSymSpace)[Module.symsize] = 0;
697
698	/*
699	* Hand it over to the common ELF64 module parser.
700	*/
701	char const pbStrings = (char const )pvSymSpace + (Module.strings - Module.symspace);
702	size_t cbMaxStrings = Module.symsize - (Module.strings - Module.symspace);
703
704	Elf64_Sym const paSyms = (Elf64_Sym const )((uintptr_t)pvSymSpace + (uintptr_t)(Module.symtbl - Module.symspace));
705	size_t cMaxSyms = (Module.symsize - (Module.symtbl - Module.symspace)) / sizeof(Elf32_Sym);
706	cMaxSyms = RT_MIN(cMaxSyms, Module.nsyms);
707
708	DBGDiggerCommonParseElf64Mod(pUVM, szModName, szFilename, DBG_DIGGER_ELF_FUNNY_SHDRS,
709	&Module.hdr, paShdrs, paSyms, cMaxSyms, pbStrings, cbMaxStrings,
710	SOL64_MIN_KRNL_ADDR, SOL64_MAX_KRNL_ADDR - 1, DIG_SOL_MOD_TAG);
711	}
712	RTMemTmpFree(pvSymSpace);
713	}
714	}
715
716	RTMemTmpFree(paShdrs);
717	return;
718	}
719
720
721	/**
722	* @copydoc DBGFOSREG::pfnTerm
723	*/
724	static DECLCALLBACK(void) dbgDiggerSolarisTerm(PUVM pUVM, void *pvData)
725	{
726	RT_NOREF1(pUVM);
727	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
728	Assert(pThis->fValid);
729
730	pThis->fValid = false;
731	}
732
733
734	/**
735	* @copydoc DBGFOSREG::pfnRefresh
736	*/
737	static DECLCALLBACK(int) dbgDiggerSolarisRefresh(PUVM pUVM, void *pvData)
738	{
739	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
740	NOREF(pThis);
741	Assert(pThis->fValid);
742
743	/*
744	* For now we'll flush and reload everything.
745	*/
746	RTDBGAS hDbgAs = DBGFR3AsResolveAndRetain(pUVM, DBGF_AS_KERNEL);
747	if (hDbgAs != NIL_RTDBGAS)
748	{
749	uint32_t iMod = RTDbgAsModuleCount(hDbgAs);
750	while (iMod-- > 0)
751	{
752	RTDBGMOD hMod = RTDbgAsModuleByIndex(hDbgAs, iMod);
753	if (hMod != NIL_RTDBGMOD)
754	{
755	if (RTDbgModGetTag(hMod) == DIG_SOL_MOD_TAG)
756	{
757	int rc = RTDbgAsModuleUnlink(hDbgAs, hMod);
758	AssertRC(rc);
759	}
760	RTDbgModRelease(hMod);
761	}
762	}
763	RTDbgAsRelease(hDbgAs);
764	}
765
766	dbgDiggerSolarisTerm(pUVM, pvData);
767	return dbgDiggerSolarisInit(pUVM, pvData);
768	}
769
770
771	/**
772	* @copydoc DBGFOSREG::pfnInit
773	*/
774	static DECLCALLBACK(int) dbgDiggerSolarisInit(PUVM pUVM, void *pvData)
775	{
776	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
777	Assert(!pThis->fValid);
778	int rc;
779	size_t cbModCtl = 0;
780
781	/*
782	* On Solaris the kernel and is the global address space.
783	*/
784	DBGFR3AsSetAlias(pUVM, DBGF_AS_KERNEL, DBGF_AS_GLOBAL);
785
786	/** @todo Use debug_info, build 7x / S10U6. */
787
788	/*
789	* Find the 'unix' modctl_t structure (aka modules).
790	* We know it resides in the unix data segment.
791	*/
792	DBGFR3AddrFromFlat(pUVM, &pThis->AddrUnixModCtl, 0);
793
794	DBGFADDRESS CurAddr = pThis->AddrUnixData;
795	DBGFADDRESS MaxAddr;
796	DBGFR3AddrFromFlat(pUVM, &MaxAddr, CurAddr.FlatPtr + SOL_UNIX_MAX_DATA_SEG_SIZE);
797	const uint8_t pbExpr = (const uint8_t )&pThis->AddrUnixText.FlatPtr;
798	const uint32_t cbExpr = pThis->f64Bit ? sizeof(uint64_t) : sizeof(uint32_t);
799	while ( CurAddr.FlatPtr < MaxAddr.FlatPtr
800	&& CurAddr.FlatPtr >= pThis->AddrUnixData.FlatPtr)
801	{
802	DBGFADDRESS HitAddr;
803	rc = DBGFR3MemScan(pUVM, 0, &CurAddr, MaxAddr.FlatPtr - CurAddr.FlatPtr, 1, pbExpr, cbExpr, &HitAddr);
804	if (RT_FAILURE(rc))
805	break;
806
807	/*
808	* Read out the modctl_t structure.
809	*/
810	DBGFADDRESS ModCtlAddr;
811
812	/* v11 */
813	if (pThis->f64Bit)
814	{
815	DBGFR3AddrFromFlat(pUVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32v11_modctl_t, mod_text));
816	SOL64v11_modctl_t ModCtlv11;
817	rc = DBGFR3MemRead(pUVM, 0, &ModCtlAddr, &ModCtlv11, sizeof(ModCtlv11));
818	if (RT_SUCCESS(rc))
819	{
820	if ( SOL64_VALID_ADDRESS(ModCtlv11.mod_next)
821	&& SOL64_VALID_ADDRESS(ModCtlv11.mod_prev)
822	&& ModCtlv11.mod_id == 0
823	&& SOL64_VALID_ADDRESS(ModCtlv11.mod_mp)
824	&& SOL64_VALID_ADDRESS(ModCtlv11.mod_filename)
825	&& SOL64_VALID_ADDRESS(ModCtlv11.mod_modname)
826	&& ModCtlv11.mod_prim == 1
827	&& ModCtlv11.mod_loaded == 1
828	&& ModCtlv11.mod_installed == 1
829	&& ModCtlv11.mod_requisites == 0
830	&& ModCtlv11.mod_loadcnt == 1
831	/&& ModCtlv11.mod_text == pThis->AddrUnixText.FlatPtr/
832	&& ModCtlv11.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE
833	&& ModCtlv11.mod_text_size >= _128K)
834	{
835	char szUnix[5];
836	DBGFADDRESS NameAddr;
837	DBGFR3AddrFromFlat(pUVM, &NameAddr, ModCtlv11.mod_modname);
838	rc = DBGFR3MemRead(pUVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
839	if (RT_SUCCESS(rc))
840	{
841	if (!strcmp(szUnix, "unix"))
842	{
843	pThis->AddrUnixModCtl = ModCtlAddr;
844	pThis->iModCtlVer = 11;
845	cbModCtl = sizeof(ModCtlv11);
846	break;
847	}
848	Log(("sol64 mod_name=%.*s v11\n", sizeof(szUnix), szUnix));
849	}
850	}
851	}
852	}
853	else
854	{
855	DBGFR3AddrFromFlat(pUVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32v11_modctl_t, mod_text));
856	SOL32v11_modctl_t ModCtlv11;
857	rc = DBGFR3MemRead(pUVM, 0, &ModCtlAddr, &ModCtlv11, sizeof(ModCtlv11));
858	if (RT_SUCCESS(rc))
859	{
860	if ( SOL32_VALID_ADDRESS(ModCtlv11.mod_next)
861	&& SOL32_VALID_ADDRESS(ModCtlv11.mod_prev)
862	&& ModCtlv11.mod_id == 0
863	&& SOL32_VALID_ADDRESS(ModCtlv11.mod_mp)
864	&& SOL32_VALID_ADDRESS(ModCtlv11.mod_filename)
865	&& SOL32_VALID_ADDRESS(ModCtlv11.mod_modname)
866	&& ModCtlv11.mod_prim == 1
867	&& ModCtlv11.mod_loaded == 1
868	&& ModCtlv11.mod_installed == 1
869	&& ModCtlv11.mod_requisites == 0
870	&& ModCtlv11.mod_loadcnt == 1
871	/&& ModCtlv11.mod_text == pThis->AddrUnixText.FlatPtr/
872	&& ModCtlv11.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE
873	&& ModCtlv11.mod_text_size >= _128K)
874	{
875	char szUnix[5];
876	DBGFADDRESS NameAddr;
877	DBGFR3AddrFromFlat(pUVM, &NameAddr, ModCtlv11.mod_modname);
878	rc = DBGFR3MemRead(pUVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
879	if (RT_SUCCESS(rc))
880	{
881	if (!strcmp(szUnix, "unix"))
882	{
883	pThis->AddrUnixModCtl = ModCtlAddr;
884	pThis->iModCtlVer = 11;
885	cbModCtl = sizeof(ModCtlv11);
886	break;
887	}
888	Log(("sol32 mod_name=%.*s v11\n", sizeof(szUnix), szUnix));
889	}
890	}
891	}
892	}
893
894	/* v9 */
895	if (pThis->f64Bit)
896	{
897	DBGFR3AddrFromFlat(pUVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL64v9_modctl_t, mod_text));
898	SOL64v9_modctl_t ModCtlv9;
899	rc = DBGFR3MemRead(pUVM, 0, &ModCtlAddr, &ModCtlv9, sizeof(ModCtlv9));
900	if (RT_SUCCESS(rc))
901	{
902	if ( SOL64_VALID_ADDRESS(ModCtlv9.mod_next)
903	&& SOL64_VALID_ADDRESS(ModCtlv9.mod_prev)
904	&& ModCtlv9.mod_id == 0
905	&& SOL64_VALID_ADDRESS(ModCtlv9.mod_mp)
906	&& SOL64_VALID_ADDRESS(ModCtlv9.mod_filename)
907	&& SOL64_VALID_ADDRESS(ModCtlv9.mod_modname)
908	&& (ModCtlv9.mod_loaded == 1 \|\| ModCtlv9.mod_loaded == 0)
909	&& (ModCtlv9.mod_installed == 1 \|\| ModCtlv9.mod_installed == 0)
910	&& ModCtlv9.mod_requisites == 0
911	&& (ModCtlv9.mod_loadcnt == 1 \|\| ModCtlv9.mod_loadcnt == 0)
912	/&& ModCtlv9.mod_text == pThis->AddrUnixText.FlatPtr/
913	&& ModCtlv9.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE)
914	{
915	char szUnix[5];
916	DBGFADDRESS NameAddr;
917	DBGFR3AddrFromFlat(pUVM, &NameAddr, ModCtlv9.mod_modname);
918	rc = DBGFR3MemRead(pUVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
919	if (RT_SUCCESS(rc))
920	{
921	if (!strcmp(szUnix, "unix"))
922	{
923	pThis->AddrUnixModCtl = ModCtlAddr;
924	pThis->iModCtlVer = 9;
925	cbModCtl = sizeof(ModCtlv9);
926	break;
927	}
928	Log(("sol64 mod_name=%.*s v9\n", sizeof(szUnix), szUnix));
929	}
930	}
931	}
932	}
933	else
934	{
935	DBGFR3AddrFromFlat(pUVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32v9_modctl_t, mod_text));
936	SOL32v9_modctl_t ModCtlv9;
937	rc = DBGFR3MemRead(pUVM, 0, &ModCtlAddr, &ModCtlv9, sizeof(ModCtlv9));
938	if (RT_SUCCESS(rc))
939	{
940	if ( SOL32_VALID_ADDRESS(ModCtlv9.mod_next)
941	&& SOL32_VALID_ADDRESS(ModCtlv9.mod_prev)
942	&& ModCtlv9.mod_id == 0
943	&& SOL32_VALID_ADDRESS(ModCtlv9.mod_mp)
944	&& SOL32_VALID_ADDRESS(ModCtlv9.mod_filename)
945	&& SOL32_VALID_ADDRESS(ModCtlv9.mod_modname)
946	&& (ModCtlv9.mod_loaded == 1 \|\| ModCtlv9.mod_loaded == 0)
947	&& (ModCtlv9.mod_installed == 1 \|\| ModCtlv9.mod_installed == 0)
948	&& ModCtlv9.mod_requisites == 0
949	&& (ModCtlv9.mod_loadcnt == 1 \|\| ModCtlv9.mod_loadcnt == 0)
950	/&& ModCtlv9.mod_text == pThis->AddrUnixText.FlatPtr/
951	&& ModCtlv9.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE )
952	{
953	char szUnix[5];
954	DBGFADDRESS NameAddr;
955	DBGFR3AddrFromFlat(pUVM, &NameAddr, ModCtlv9.mod_modname);
956	rc = DBGFR3MemRead(pUVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
957	if (RT_SUCCESS(rc))
958	{
959	if (!strcmp(szUnix, "unix"))
960	{
961	pThis->AddrUnixModCtl = ModCtlAddr;
962	pThis->iModCtlVer = 9;
963	cbModCtl = sizeof(ModCtlv9);
964	break;
965	}
966	Log(("sol32 mod_name=%.*s v9\n", sizeof(szUnix), szUnix));
967	}
968	}
969	}
970	}
971
972	/* next */
973	DBGFR3AddrFromFlat(pUVM, &CurAddr, HitAddr.FlatPtr + cbExpr);
974	}
975
976	/*
977	* Walk the module chain and add the modules and their symbols.
978	*/
979	if (pThis->AddrUnixModCtl.FlatPtr)
980	{
981	int iMod = 0;
982	CurAddr = pThis->AddrUnixModCtl;
983	do
984	{
985	/* read it */
986	SOL_modctl_t ModCtl;
987	rc = DBGFR3MemRead(pUVM, 0, &CurAddr, &ModCtl, cbModCtl);
988	if (RT_FAILURE(rc))
989	{
990	LogRel(("sol: bad modctl_t chain for module %d: %RGv - %Rrc\n", iMod, CurAddr.FlatPtr, rc));
991	break;
992	}
993
994	/* process it. */
995	if (pThis->f64Bit)
996	dbgDiggerSolarisProcessModCtl64(pUVM, pThis, &ModCtl);
997	else
998	dbgDiggerSolarisProcessModCtl32(pUVM, pThis, &ModCtl);
999
1000	/* next */
1001	if (pThis->f64Bit)
1002	{
1003	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_next, v9_64.mod_next);
1004	if (!SOL64_VALID_ADDRESS(ModCtl.v9_64.mod_next))
1005	{
1006	LogRel(("sol64: bad modctl_t chain for module %d at %RGv: %RGv\n", iMod, CurAddr.FlatPtr, (RTGCUINTPTR)ModCtl.v9_64.mod_next));
1007	break;
1008	}
1009	DBGFR3AddrFromFlat(pUVM, &CurAddr, ModCtl.v9_64.mod_next);
1010	}
1011	else
1012	{
1013	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_next, v9_32.mod_next);
1014	if (!SOL32_VALID_ADDRESS(ModCtl.v9_32.mod_next))
1015	{
1016	LogRel(("sol32: bad modctl_t chain for module %d at %RGv: %RGv\n", iMod, CurAddr.FlatPtr, (RTGCUINTPTR)ModCtl.v9_32.mod_next));
1017	break;
1018	}
1019	DBGFR3AddrFromFlat(pUVM, &CurAddr, ModCtl.v9_32.mod_next);
1020	}
1021	if (++iMod >= 1024)
1022	{
1023	LogRel(("sol32: too many modules (%d)\n", iMod));
1024	break;
1025	}
1026	} while (CurAddr.FlatPtr != pThis->AddrUnixModCtl.FlatPtr);
1027	}
1028
1029	pThis->fValid = true;
1030	return VINF_SUCCESS;
1031	}
1032
1033
1034	/**
1035	* @copydoc DBGFOSREG::pfnProbe
1036	*/
1037	static DECLCALLBACK(bool) dbgDiggerSolarisProbe(PUVM pUVM, void *pvData)
1038	{
1039	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
1040
1041	/*
1042	* Look for "SunOS Release" in the text segment.
1043	*/
1044	DBGFADDRESS Addr;
1045	bool f64Bit = false;
1046
1047	/* 32-bit search range. */
1048	DBGFR3AddrFromFlat(pUVM, &Addr, 0xfe800000);
1049	RTGCUINTPTR cbRange = 0xfec00000 - 0xfe800000;
1050
1051	DBGFADDRESS HitAddr;
1052	static const uint8_t s_abSunRelease[] = "SunOS Release ";
1053	int rc = DBGFR3MemScan(pUVM, 0, &Addr, cbRange, 1, s_abSunRelease, sizeof(s_abSunRelease) - 1, &HitAddr);
1054	if (RT_FAILURE(rc))
1055	{
1056	/* 64-bit.... */
1057	DBGFR3AddrFromFlat(pUVM, &Addr, UINT64_C(0xfffffffffb800000));
1058	cbRange = UINT64_C(0xfffffffffbd00000) - UINT64_C(0xfffffffffb800000);
1059	rc = DBGFR3MemScan(pUVM, 0, &Addr, cbRange, 1, s_abSunRelease, sizeof(s_abSunRelease) - 1, &HitAddr);
1060	if (RT_FAILURE(rc))
1061	return false;
1062	f64Bit = true;
1063	}
1064
1065	/*
1066	* Look for the copyright string too, just to be sure.
1067	*/
1068	static const uint8_t s_abSMI[] = "Sun Microsystems, Inc.";
1069	static const uint8_t s_abORCL[] = "Oracle and/or its affiliates.";
1070	rc = DBGFR3MemScan(pUVM, 0, &Addr, cbRange, 1, s_abSMI, sizeof(s_abSMI) - 1, &HitAddr);
1071	if (RT_FAILURE(rc))
1072	{
1073	/* Try the alternate copyright string. */
1074	rc = DBGFR3MemScan(pUVM, 0, &Addr, cbRange, 1, s_abORCL, sizeof(s_abORCL) - 1, &HitAddr);
1075	if (RT_FAILURE(rc))
1076	return false;
1077	}
1078
1079	/*
1080	* Remember the unix text and data addresses and bitness.
1081	*/
1082	pThis->AddrUnixText = Addr;
1083	DBGFR3AddrAdd(&Addr, SOL_UNIX_MAX_CODE_SEG_SIZE);
1084	pThis->AddrUnixData = Addr;
1085	pThis->f64Bit = f64Bit;
1086
1087	return true;
1088	}
1089
1090
1091	/**
1092	* @copydoc DBGFOSREG::pfnDestruct
1093	*/
1094	static DECLCALLBACK(void) dbgDiggerSolarisDestruct(PUVM pUVM, void *pvData)
1095	{
1096	RT_NOREF2(pUVM, pvData);
1097
1098	}
1099
1100
1101	/**
1102	* @copydoc DBGFOSREG::pfnConstruct
1103	*/
1104	static DECLCALLBACK(int) dbgDiggerSolarisConstruct(PUVM pUVM, void *pvData)
1105	{
1106	RT_NOREF2(pUVM, pvData);
1107	return VINF_SUCCESS;
1108	}
1109
1110
1111	const DBGFOSREG g_DBGDiggerSolaris =
1112	{
1113	/* .u32Magic = */ DBGFOSREG_MAGIC,
1114	/* .fFlags = */ 0,
1115	/* .cbData = */ sizeof(DBGDIGGERSOLARIS),
1116	/* .szName = */ "Solaris",
1117	/* .pfnConstruct = */ dbgDiggerSolarisConstruct,
1118	/* .pfnDestruct = */ dbgDiggerSolarisDestruct,
1119	/* .pfnProbe = */ dbgDiggerSolarisProbe,
1120	/* .pfnInit = */ dbgDiggerSolarisInit,
1121	/* .pfnRefresh = */ dbgDiggerSolarisRefresh,
1122	/* .pfnTerm = */ dbgDiggerSolarisTerm,
1123	/* .pfnQueryVersion = */ dbgDiggerSolarisQueryVersion,
1124	/* .pfnQueryInterface = */ dbgDiggerSolarisQueryInterface,
1125	/* .u32EndMagic = */ DBGFOSREG_MAGIC
1126	};
1127

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source: vbox/trunk/src/VBox/Debugger/DBGPlugInSolaris.cpp@ 68155

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