DBGPlugInSolaris.cpp@ 35287

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1	/* $Id: DBGPlugInSolaris.cpp 35254 2010-12-20 16:49:31Z vboxsync $ */
2	/** @file
3	* DBGPlugInSolaris - Debugger and Guest OS Digger Plugin For Solaris.
4	*/
5
6	/*
7	* Copyright (C) 2008-2010 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/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(0xFFFFFD8000000000)
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(PVM pVM, void *pvData);
353
354
355
356	/**
357	* @copydoc DBGFOSREG::pfnQueryInterface
358	*/
359	static DECLCALLBACK(void ) dbgDiggerSolarisQueryInterface(PVM pVM, void pvData, DBGFOSINTERFACE enmIf)
360	{
361	return NULL;
362	}
363
364
365	/**
366	* @copydoc DBGFOSREG::pfnQueryVersion
367	*/
368	static DECLCALLBACK(int) dbgDiggerSolarisQueryVersion(PVM pVM, void pvData, char pszVersion, size_t cchVersion)
369	{
370	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
371	Assert(pThis->fValid);
372
373	/*
374	* It's all in the utsname symbol...
375	*/
376	DBGFADDRESS Addr;
377	SOL_utsname_t UtsName;
378	RTDBGSYMBOL SymUtsName;
379	int rc = DBGFR3AsSymbolByName(pVM, DBGF_AS_KERNEL, "utsname", &SymUtsName, NULL);
380	if (RT_SUCCESS(rc))
381	rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, SymUtsName.Value), &UtsName, sizeof(UtsName));
382	if (RT_FAILURE(rc))
383	{
384	/*
385	* Try searching by the name...
386	*/
387	memset(&UtsName, '\0', sizeof(UtsName));
388	strcpy(&UtsName.sysname[0], "SunOS");
389	rc = DBGFR3MemScan(pVM, 0, &pThis->AddrUnixData, SOL_UNIX_MAX_DATA_SEG_SIZE, 1,
390	&UtsName.sysname[0], sizeof(UtsName.sysname), &Addr);
391	if (RT_SUCCESS(rc))
392	rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Addr.FlatPtr - RT_OFFSETOF(SOL_utsname_t, sysname)),
393	&UtsName, sizeof(UtsName));
394	}
395
396	/*
397	* Copy out the result (if any).
398	*/
399	if (RT_SUCCESS(rc))
400	{
401	if ( UtsName.sysname[sizeof(UtsName.sysname) - 1] != '\0'
402	\|\| UtsName.nodename[sizeof(UtsName.nodename) - 1] != '\0'
403	\|\| UtsName.release[sizeof(UtsName.release) - 1] != '\0'
404	\|\| UtsName.version[sizeof(UtsName.version) - 1] != '\0'
405	\|\| UtsName.machine[sizeof(UtsName.machine) - 1] != '\0')
406	{
407	//rc = VERR_DBGF_UNEXPECTED_OS_DATA;
408	rc = VERR_GENERAL_FAILURE;
409	RTStrPrintf(pszVersion, cchVersion, "failed - bogus utsname");
410	}
411	else
412	RTStrPrintf(pszVersion, cchVersion, "%s %s", UtsName.version, UtsName.release);
413	}
414	else
415	RTStrPrintf(pszVersion, cchVersion, "failed - %Rrc", rc);
416
417	return rc;
418	}
419
420
421
422	/**
423	* Processes a modctl_t.
424	*
425	* @param pVM The VM handle.
426	* @param pThis Our instance data.
427	* @param pModCtl Pointer to the modctl structure.
428	*/
429	static void dbgDiggerSolarisProcessModCtl32(PVM pVM, PDBGDIGGERSOLARIS pThis, SOL_modctl_t const *pModCtl)
430	{
431	/* skip it if it's not loaded and installed */
432	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_loaded, v9_32.mod_loaded);
433	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_installed, v9_32.mod_installed);
434	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_id, v9_32.mod_id);
435	if ( ( !pModCtl->v9_32.mod_loaded
436	\|\| !pModCtl->v9_32.mod_installed)
437	&& pModCtl->v9_32.mod_id > 3)
438	return;
439
440	/*
441	* Read the module and file names first
442	*/
443	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_modname, v9_32.mod_modname);
444	char szModName[64];
445	DBGFADDRESS Addr;
446	int rc = DBGFR3MemReadString(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_32.mod_modname), szModName, sizeof(szModName));
447	if (RT_FAILURE(rc))
448	return;
449	if (!RTStrEnd(szModName, sizeof(szModName)))
450	szModName[sizeof(szModName) - 1] = '\0';
451
452	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_filename, v9_32.mod_filename);
453	char szFilename[256];
454	rc = DBGFR3MemReadString(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_32.mod_filename), szFilename, sizeof(szFilename));
455	if (RT_FAILURE(rc))
456	strcpy(szFilename, szModName);
457	else if (!RTStrEnd(szFilename, sizeof(szFilename)))
458	szFilename[sizeof(szFilename) - 1] = '\0';
459
460	/*
461	* Then read the module struct and validate it.
462	*/
463	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_mp, v9_32.mod_mp);
464	struct SOL32_module Module;
465	rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_32.mod_mp), &Module, sizeof(Module));
466	if (RT_FAILURE(rc))
467	return;
468
469	/* Basic validations of the elf header. */
470	if ( Module.hdr.e_ident[EI_MAG0] != ELFMAG0
471	\|\| Module.hdr.e_ident[EI_MAG1] != ELFMAG1
472	\|\| Module.hdr.e_ident[EI_MAG2] != ELFMAG2
473	\|\| Module.hdr.e_ident[EI_MAG3] != ELFMAG3
474	\|\| Module.hdr.e_ident[EI_CLASS] != ELFCLASS32
475	\|\| Module.hdr.e_ident[EI_DATA] != ELFDATA2LSB
476	\|\| Module.hdr.e_ident[EI_VERSION] != EV_CURRENT
477	\|\| ASMMemIsAll8(&Module.hdr.e_ident[EI_PAD], EI_NIDENT - EI_PAD, 0) != NULL
478	)
479	return;
480	if (Module.hdr.e_version != EV_CURRENT)
481	return;
482	if (Module.hdr.e_ehsize != sizeof(Module.hdr))
483	return;
484	if ( Module.hdr.e_type != ET_DYN
485	&& Module.hdr.e_type != ET_REL
486	&& Module.hdr.e_type != ET_EXEC) //??
487	return;
488	if ( Module.hdr.e_machine != EM_386
489	&& Module.hdr.e_machine != EM_486)
490	return;
491	if ( Module.hdr.e_phentsize != sizeof(Elf32_Phdr)
492	&& Module.hdr.e_phentsize) //??
493	return;
494	if (Module.hdr.e_shentsize != sizeof(Elf32_Shdr))
495	return;
496
497	if (Module.hdr.e_shentsize != sizeof(Elf32_Shdr))
498	return;
499
500	/* Basic validations of the rest of the stuff. */
501	if ( !SOL32_VALID_ADDRESS(Module.shdrs)
502	\|\| !SOL32_VALID_ADDRESS(Module.symhdr)
503	\|\| !SOL32_VALID_ADDRESS(Module.strhdr)
504	\|\| (!SOL32_VALID_ADDRESS(Module.symspace) && Module.symspace)
505	\|\| !SOL32_VALID_ADDRESS(Module.text)
506	\|\| !SOL32_VALID_ADDRESS(Module.data)
507	\|\| (!SOL32_VALID_ADDRESS(Module.symtbl) && Module.symtbl)
508	\|\| (!SOL32_VALID_ADDRESS(Module.strings) && Module.strings)
509	\|\| (!SOL32_VALID_ADDRESS(Module.head) && Module.head)
510	\|\| (!SOL32_VALID_ADDRESS(Module.tail) && Module.tail)
511	\|\| !SOL32_VALID_ADDRESS(Module.filename))
512	return;
513	if ( Module.symsize > _4M
514	\|\| Module.hdr.e_shnum > 4096
515	\|\| Module.nsyms > _256K)
516	return;
517
518	/* Ignore modules without symbols. */
519	if (!Module.symtbl \|\| !Module.strings \|\| !Module.symspace \|\| !Module.symspace)
520	return;
521
522	/* Check that the symtbl and strings points inside the symspace. */
523	if (Module.strings - Module.symspace >= Module.symsize)
524	return;
525	if (Module.symtbl - Module.symspace >= Module.symsize)
526	return;
527
528	/*
529	* Read the section headers, symbol table and string tables.
530	*/
531	size_t cb = Module.hdr.e_shnum * sizeof(Elf32_Shdr);
532	Elf32_Shdr paShdrs = (Elf32_Shdr )RTMemTmpAlloc(cb);
533	if (!paShdrs)
534	return;
535	rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Module.shdrs), paShdrs, cb);
536	if (RT_SUCCESS(rc))
537	{
538	void *pvSymSpace = RTMemTmpAlloc(Module.symsize + 1);
539	if (pvSymSpace)
540	{
541	rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Module.symspace), pvSymSpace, Module.symsize);
542	if (RT_SUCCESS(rc))
543	{
544	((uint8_t *)pvSymSpace)[Module.symsize] = 0;
545
546	/*
547	* Hand it over to the common ELF32 module parser.
548	*/
549	char const pbStrings = (char const )pvSymSpace + (Module.strings - Module.symspace);
550	size_t cbMaxStrings = Module.symsize - (Module.strings - Module.symspace);
551
552	Elf32_Sym const paSyms = (Elf32_Sym const )((uintptr_t)pvSymSpace + (Module.symtbl - Module.symspace));
553	size_t cMaxSyms = (Module.symsize - (Module.symtbl - Module.symspace)) / sizeof(Elf32_Sym);
554	cMaxSyms = RT_MIN(cMaxSyms, Module.nsyms);
555
556	DBGDiggerCommonParseElf32Mod(pVM, szModName, szFilename, DBG_DIGGER_ELF_FUNNY_SHDRS,
557	&Module.hdr, paShdrs, paSyms, cMaxSyms, pbStrings, cbMaxStrings,
558	SOL32_MIN_KRNL_ADDR, SOL32_MAX_KRNL_ADDR - 1, DIG_SOL_MOD_TAG);
559	}
560	RTMemTmpFree(pvSymSpace);
561	}
562	}
563
564	RTMemTmpFree(paShdrs);
565	return;
566	}
567
568
569	/**
570	* Processes a modctl_t.
571	*
572	* @param pVM The VM handle.
573	* @param pThis Our instance data.
574	* @param pModCtl Pointer to the modctl structure.
575	*/
576	static void dbgDiggerSolarisProcessModCtl64(PVM pVM, PDBGDIGGERSOLARIS pThis, SOL_modctl_t const *pModCtl)
577	{
578	/* skip it if it's not loaded and installed */
579	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_loaded, v9_64.mod_loaded);
580	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_installed, v9_64.mod_installed);
581	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_id, v9_64.mod_id);
582	if ( ( !pModCtl->v9_64.mod_loaded
583	\|\| !pModCtl->v9_64.mod_installed)
584	&& pModCtl->v9_64.mod_id > 3)
585	return;
586
587	/*
588	* Read the module and file names first
589	*/
590	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_modname, v9_64.mod_modname);
591	char szModName[64];
592	DBGFADDRESS Addr;
593	int rc = DBGFR3MemReadString(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_64.mod_modname), szModName, sizeof(szModName));
594	if (RT_FAILURE(rc))
595	return;
596	if (!RTStrEnd(szModName, sizeof(szModName)))
597	szModName[sizeof(szModName) - 1] = '\0';
598
599	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_filename, v9_64.mod_filename);
600	char szFilename[256];
601	rc = DBGFR3MemReadString(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_64.mod_filename), szFilename, sizeof(szFilename));
602	if (RT_FAILURE(rc))
603	strcpy(szFilename, szModName);
604	else if (!RTStrEnd(szFilename, sizeof(szFilename)))
605	szFilename[sizeof(szFilename) - 1] = '\0';
606
607	/*
608	* Then read the module struct and validate it.
609	*/
610	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_mp, v9_64.mod_mp);
611	struct SOL64_module Module;
612	rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_64.mod_mp), &Module, sizeof(Module));
613	if (RT_FAILURE(rc))
614	return;
615
616	/* Basic validations of the elf header. */
617	if ( Module.hdr.e_ident[EI_MAG0] != ELFMAG0
618	\|\| Module.hdr.e_ident[EI_MAG1] != ELFMAG1
619	\|\| Module.hdr.e_ident[EI_MAG2] != ELFMAG2
620	\|\| Module.hdr.e_ident[EI_MAG3] != ELFMAG3
621	\|\| Module.hdr.e_ident[EI_CLASS] != ELFCLASS64
622	\|\| Module.hdr.e_ident[EI_DATA] != ELFDATA2LSB
623	\|\| Module.hdr.e_ident[EI_VERSION] != EV_CURRENT
624	\|\| ASMMemIsAll8(&Module.hdr.e_ident[EI_PAD], EI_NIDENT - EI_PAD, 0) != NULL
625	)
626	return;
627	if (Module.hdr.e_version != EV_CURRENT)
628	return;
629	if (Module.hdr.e_ehsize != sizeof(Module.hdr))
630	return;
631	if ( Module.hdr.e_type != ET_DYN
632	&& Module.hdr.e_type != ET_REL
633	&& Module.hdr.e_type != ET_EXEC) //??
634	return;
635	if (Module.hdr.e_machine != EM_X86_64)
636	return;
637	if ( Module.hdr.e_phentsize != sizeof(Elf64_Phdr)
638	&& Module.hdr.e_phentsize) //??
639	return;
640	if (Module.hdr.e_shentsize != sizeof(Elf64_Shdr))
641	return;
642
643	if (Module.hdr.e_shentsize != sizeof(Elf64_Shdr))
644	return;
645
646	/* Basic validations of the rest of the stuff. */
647	if ( !SOL64_VALID_ADDRESS(Module.shdrs)
648	\|\| !SOL64_VALID_ADDRESS(Module.symhdr)
649	\|\| !SOL64_VALID_ADDRESS(Module.strhdr)
650	\|\| (!SOL64_VALID_ADDRESS(Module.symspace) && Module.symspace)
651	\|\| !SOL64_VALID_ADDRESS(Module.text)
652	\|\| !SOL64_VALID_ADDRESS(Module.data)
653	\|\| (!SOL64_VALID_ADDRESS(Module.symtbl) && Module.symtbl)
654	\|\| (!SOL64_VALID_ADDRESS(Module.strings) && Module.strings)
655	\|\| (!SOL64_VALID_ADDRESS(Module.head) && Module.head)
656	\|\| (!SOL64_VALID_ADDRESS(Module.tail) && Module.tail)
657	\|\| !SOL64_VALID_ADDRESS(Module.filename))
658	return;
659	if ( Module.symsize > _4M
660	\|\| Module.hdr.e_shnum > 4096
661	\|\| Module.nsyms > _256K)
662	return;
663
664	/* Ignore modules without symbols. */
665	if (!Module.symtbl \|\| !Module.strings \|\| !Module.symspace \|\| !Module.symspace)
666	return;
667
668	/* Check that the symtbl and strings points inside the symspace. */
669	if (Module.strings - Module.symspace >= Module.symsize)
670	return;
671	if (Module.symtbl - Module.symspace >= Module.symsize)
672	return;
673
674	/*
675	* Read the section headers, symbol table and string tables.
676	*/
677	size_t cb = Module.hdr.e_shnum * sizeof(Elf64_Shdr);
678	Elf64_Shdr paShdrs = (Elf64_Shdr )RTMemTmpAlloc(cb);
679	if (!paShdrs)
680	return;
681	rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Module.shdrs), paShdrs, cb);
682	if (RT_SUCCESS(rc))
683	{
684	void *pvSymSpace = RTMemTmpAlloc(Module.symsize + 1);
685	if (pvSymSpace)
686	{
687	rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Module.symspace), pvSymSpace, Module.symsize);
688	if (RT_SUCCESS(rc))
689	{
690	((uint8_t *)pvSymSpace)[Module.symsize] = 0;
691
692	/*
693	* Hand it over to the common ELF64 module parser.
694	*/
695	char const pbStrings = (char const )pvSymSpace + (Module.strings - Module.symspace);
696	size_t cbMaxStrings = Module.symsize - (Module.strings - Module.symspace);
697
698	Elf64_Sym const paSyms = (Elf64_Sym const )((uintptr_t)pvSymSpace + (uintptr_t)(Module.symtbl - Module.symspace));
699	size_t cMaxSyms = (Module.symsize - (Module.symtbl - Module.symspace)) / sizeof(Elf32_Sym);
700	cMaxSyms = RT_MIN(cMaxSyms, Module.nsyms);
701
702	DBGDiggerCommonParseElf64Mod(pVM, szModName, szFilename, DBG_DIGGER_ELF_FUNNY_SHDRS,
703	&Module.hdr, paShdrs, paSyms, cMaxSyms, pbStrings, cbMaxStrings,
704	SOL64_MIN_KRNL_ADDR, SOL64_MAX_KRNL_ADDR - 1, DIG_SOL_MOD_TAG);
705	}
706	RTMemTmpFree(pvSymSpace);
707	}
708	}
709
710	RTMemTmpFree(paShdrs);
711	return;
712	}
713
714
715	/**
716	* @copydoc DBGFOSREG::pfnTerm
717	*/
718	static DECLCALLBACK(void) dbgDiggerSolarisTerm(PVM pVM, void *pvData)
719	{
720	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
721	Assert(pThis->fValid);
722
723	pThis->fValid = false;
724	}
725
726
727	/**
728	* @copydoc DBGFOSREG::pfnRefresh
729	*/
730	static DECLCALLBACK(int) dbgDiggerSolarisRefresh(PVM pVM, void *pvData)
731	{
732	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
733	NOREF(pThis);
734	Assert(pThis->fValid);
735
736	/*
737	* For now we'll flush and reload everything.
738	*/
739	RTDBGAS hDbgAs = DBGFR3AsResolveAndRetain(pVM, DBGF_AS_KERNEL);
740	if (hDbgAs != NIL_RTDBGAS)
741	{
742	uint32_t iMod = RTDbgAsModuleCount(hDbgAs);
743	while (iMod-- > 0)
744	{
745	RTDBGMOD hMod = RTDbgAsModuleByIndex(hDbgAs, iMod);
746	if (hMod != NIL_RTDBGMOD)
747	{
748	if (RTDbgModGetTag(hMod) == DIG_SOL_MOD_TAG)
749	{
750	int rc = RTDbgAsModuleUnlink(hDbgAs, hMod);
751	AssertRC(rc);
752	}
753	RTDbgModRelease(hMod);
754	}
755	}
756	RTDbgAsRelease(hDbgAs);
757	}
758
759	dbgDiggerSolarisTerm(pVM, pvData);
760	return dbgDiggerSolarisInit(pVM, pvData);
761	}
762
763
764	/**
765	* @copydoc DBGFOSREG::pfnInit
766	*/
767	static DECLCALLBACK(int) dbgDiggerSolarisInit(PVM pVM, void *pvData)
768	{
769	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
770	Assert(!pThis->fValid);
771	int rc;
772	size_t cbModCtl = 0;
773
774	/*
775	* On Solaris the kernel and is the global address space.
776	*/
777	DBGFR3AsSetAlias(pVM, DBGF_AS_KERNEL, DBGF_AS_GLOBAL);
778
779	/** @todo Use debug_info, build 7x / S10U6. */
780
781	/*
782	* Find the 'unix' modctl_t structure (aka modules).
783	* We know it resides in the unix data segment.
784	*/
785	DBGFR3AddrFromFlat(pVM, &pThis->AddrUnixModCtl, 0);
786
787	DBGFADDRESS CurAddr = pThis->AddrUnixData;
788	DBGFADDRESS MaxAddr;
789	DBGFR3AddrFromFlat(pVM, &MaxAddr, CurAddr.FlatPtr + SOL_UNIX_MAX_DATA_SEG_SIZE);
790	const uint8_t pbExpr = (const uint8_t )&pThis->AddrUnixText.FlatPtr;
791	const uint32_t cbExpr = pThis->f64Bit ? sizeof(uint64_t) : sizeof(uint32_t);
792	while ( CurAddr.FlatPtr < MaxAddr.FlatPtr
793	&& CurAddr.FlatPtr >= pThis->AddrUnixData.FlatPtr)
794	{
795	DBGFADDRESS HitAddr;
796	rc = DBGFR3MemScan(pVM, 0, &CurAddr, MaxAddr.FlatPtr - CurAddr.FlatPtr, 1, pbExpr, cbExpr, &HitAddr);
797	if (RT_FAILURE(rc))
798	break;
799
800	/*
801	* Read out the modctl_t structure.
802	*/
803	DBGFADDRESS ModCtlAddr;
804
805	/* v11 */
806	if (pThis->f64Bit)
807	{
808	DBGFR3AddrFromFlat(pVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32v11_modctl_t, mod_text));
809	SOL64v11_modctl_t ModCtlv11;
810	rc = DBGFR3MemRead(pVM, 0, &ModCtlAddr, &ModCtlv11, sizeof(ModCtlv11));
811	if (RT_SUCCESS(rc))
812	{
813	if ( SOL64_VALID_ADDRESS(ModCtlv11.mod_next)
814	&& SOL64_VALID_ADDRESS(ModCtlv11.mod_prev)
815	&& ModCtlv11.mod_id == 0
816	&& SOL64_VALID_ADDRESS(ModCtlv11.mod_mp)
817	&& SOL64_VALID_ADDRESS(ModCtlv11.mod_filename)
818	&& SOL64_VALID_ADDRESS(ModCtlv11.mod_modname)
819	&& ModCtlv11.mod_prim == 1
820	&& ModCtlv11.mod_loaded == 1
821	&& ModCtlv11.mod_installed == 1
822	&& ModCtlv11.mod_requisites == 0
823	&& ModCtlv11.mod_loadcnt == 1
824	/&& ModCtlv11.mod_text == pThis->AddrUnixText.FlatPtr/
825	&& ModCtlv11.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE
826	&& ModCtlv11.mod_text_size >= _128K)
827	{
828	char szUnix[5];
829	DBGFADDRESS NameAddr;
830	DBGFR3AddrFromFlat(pVM, &NameAddr, ModCtlv11.mod_modname);
831	rc = DBGFR3MemRead(pVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
832	if (RT_SUCCESS(rc))
833	{
834	if (!strcmp(szUnix, "unix"))
835	{
836	pThis->AddrUnixModCtl = ModCtlAddr;
837	pThis->iModCtlVer = 11;
838	cbModCtl = sizeof(ModCtlv11);
839	break;
840	}
841	Log(("sol64 mod_name=%.*s v11\n", sizeof(szUnix), szUnix));
842	}
843	}
844	}
845	}
846	else
847	{
848	DBGFR3AddrFromFlat(pVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32v11_modctl_t, mod_text));
849	SOL32v11_modctl_t ModCtlv11;
850	rc = DBGFR3MemRead(pVM, 0, &ModCtlAddr, &ModCtlv11, sizeof(ModCtlv11));
851	if (RT_SUCCESS(rc))
852	{
853	if ( SOL32_VALID_ADDRESS(ModCtlv11.mod_next)
854	&& SOL32_VALID_ADDRESS(ModCtlv11.mod_prev)
855	&& ModCtlv11.mod_id == 0
856	&& SOL32_VALID_ADDRESS(ModCtlv11.mod_mp)
857	&& SOL32_VALID_ADDRESS(ModCtlv11.mod_filename)
858	&& SOL32_VALID_ADDRESS(ModCtlv11.mod_modname)
859	&& ModCtlv11.mod_prim == 1
860	&& ModCtlv11.mod_loaded == 1
861	&& ModCtlv11.mod_installed == 1
862	&& ModCtlv11.mod_requisites == 0
863	&& ModCtlv11.mod_loadcnt == 1
864	/&& ModCtlv11.mod_text == pThis->AddrUnixText.FlatPtr/
865	&& ModCtlv11.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE
866	&& ModCtlv11.mod_text_size >= _128K)
867	{
868	char szUnix[5];
869	DBGFADDRESS NameAddr;
870	DBGFR3AddrFromFlat(pVM, &NameAddr, ModCtlv11.mod_modname);
871	rc = DBGFR3MemRead(pVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
872	if (RT_SUCCESS(rc))
873	{
874	if (!strcmp(szUnix, "unix"))
875	{
876	pThis->AddrUnixModCtl = ModCtlAddr;
877	pThis->iModCtlVer = 11;
878	cbModCtl = sizeof(ModCtlv11);
879	break;
880	}
881	Log(("sol32 mod_name=%.*s v11\n", sizeof(szUnix), szUnix));
882	}
883	}
884	}
885	}
886
887	/* v9 */
888	if (pThis->f64Bit)
889	{
890	DBGFR3AddrFromFlat(pVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL64v9_modctl_t, mod_text));
891	SOL64v9_modctl_t ModCtlv9;
892	rc = DBGFR3MemRead(pVM, 0, &ModCtlAddr, &ModCtlv9, sizeof(ModCtlv9));
893	if (RT_SUCCESS(rc))
894	{
895	if ( SOL64_VALID_ADDRESS(ModCtlv9.mod_next)
896	&& SOL64_VALID_ADDRESS(ModCtlv9.mod_prev)
897	&& ModCtlv9.mod_id == 0
898	&& SOL64_VALID_ADDRESS(ModCtlv9.mod_mp)
899	&& SOL64_VALID_ADDRESS(ModCtlv9.mod_filename)
900	&& SOL64_VALID_ADDRESS(ModCtlv9.mod_modname)
901	&& (ModCtlv9.mod_loaded == 1 \|\| ModCtlv9.mod_loaded == 0)
902	&& (ModCtlv9.mod_installed == 1 \|\| ModCtlv9.mod_installed == 0)
903	&& ModCtlv9.mod_requisites == 0
904	&& (ModCtlv9.mod_loadcnt == 1 \|\| ModCtlv9.mod_loadcnt == 0)
905	/&& ModCtlv9.mod_text == pThis->AddrUnixText.FlatPtr/
906	&& ModCtlv9.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE)
907	{
908	char szUnix[5];
909	DBGFADDRESS NameAddr;
910	DBGFR3AddrFromFlat(pVM, &NameAddr, ModCtlv9.mod_modname);
911	rc = DBGFR3MemRead(pVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
912	if (RT_SUCCESS(rc))
913	{
914	if (!strcmp(szUnix, "unix"))
915	{
916	pThis->AddrUnixModCtl = ModCtlAddr;
917	pThis->iModCtlVer = 9;
918	cbModCtl = sizeof(ModCtlv9);
919	break;
920	}
921	Log(("sol64 mod_name=%.*s v9\n", sizeof(szUnix), szUnix));
922	}
923	}
924	}
925	}
926	else
927	{
928	DBGFR3AddrFromFlat(pVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32v9_modctl_t, mod_text));
929	SOL32v9_modctl_t ModCtlv9;
930	rc = DBGFR3MemRead(pVM, 0, &ModCtlAddr, &ModCtlv9, sizeof(ModCtlv9));
931	if (RT_SUCCESS(rc))
932	{
933	if ( SOL32_VALID_ADDRESS(ModCtlv9.mod_next)
934	&& SOL32_VALID_ADDRESS(ModCtlv9.mod_prev)
935	&& ModCtlv9.mod_id == 0
936	&& SOL32_VALID_ADDRESS(ModCtlv9.mod_mp)
937	&& SOL32_VALID_ADDRESS(ModCtlv9.mod_filename)
938	&& SOL32_VALID_ADDRESS(ModCtlv9.mod_modname)
939	&& (ModCtlv9.mod_loaded == 1 \|\| ModCtlv9.mod_loaded == 0)
940	&& (ModCtlv9.mod_installed == 1 \|\| ModCtlv9.mod_installed == 0)
941	&& ModCtlv9.mod_requisites == 0
942	&& (ModCtlv9.mod_loadcnt == 1 \|\| ModCtlv9.mod_loadcnt == 0)
943	/&& ModCtlv9.mod_text == pThis->AddrUnixText.FlatPtr/
944	&& ModCtlv9.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE )
945	{
946	char szUnix[5];
947	DBGFADDRESS NameAddr;
948	DBGFR3AddrFromFlat(pVM, &NameAddr, ModCtlv9.mod_modname);
949	rc = DBGFR3MemRead(pVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
950	if (RT_SUCCESS(rc))
951	{
952	if (!strcmp(szUnix, "unix"))
953	{
954	pThis->AddrUnixModCtl = ModCtlAddr;
955	pThis->iModCtlVer = 9;
956	cbModCtl = sizeof(ModCtlv9);
957	break;
958	}
959	Log(("sol32 mod_name=%.*s v9\n", sizeof(szUnix), szUnix));
960	}
961	}
962	}
963	}
964
965	/* next */
966	DBGFR3AddrFromFlat(pVM, &CurAddr, HitAddr.FlatPtr + cbExpr);
967	}
968
969	/*
970	* Walk the module chain and add the modules and their symbols.
971	*/
972	if (pThis->AddrUnixModCtl.FlatPtr)
973	{
974	int iMod = 0;
975	CurAddr = pThis->AddrUnixModCtl;
976	do
977	{
978	/* read it */
979	SOL_modctl_t ModCtl;
980	rc = DBGFR3MemRead(pVM, 0, &CurAddr, &ModCtl, cbModCtl);
981	if (RT_FAILURE(rc))
982	{
983	LogRel(("sol: bad modctl_t chain: %RGv - %Rrc\n", iMod, CurAddr.FlatPtr, rc));
984	break;
985	}
986
987	/* process it. */
988	if (pThis->f64Bit)
989	dbgDiggerSolarisProcessModCtl64(pVM, pThis, &ModCtl);
990	else
991	dbgDiggerSolarisProcessModCtl32(pVM, pThis, &ModCtl);
992
993	/* next */
994	if (pThis->f64Bit)
995	{
996	AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_next, v9_64.mod_next);
997	if (!SOL64_VALID_ADDRESS(ModCtl.v9_64.mod_next))
998	{
999	LogRel(("sol64: bad modctl_t chain at %RGv: %RGv\n", iMod, CurAddr.FlatPtr, (RTGCUINTPTR)ModCtl.v9_64.mod_next));
1000	break;
1001	}
1002	DBGFR3AddrFromFlat(pVM, &CurAddr, ModCtl.v9_64.mod_next);
1003	}
1004	else
1005	{
1006	AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_next, v9_32.mod_next);
1007	if (!SOL32_VALID_ADDRESS(ModCtl.v9_32.mod_next))
1008	{
1009	LogRel(("sol32: bad modctl_t chain at %RGv: %RGv\n", iMod, CurAddr.FlatPtr, (RTGCUINTPTR)ModCtl.v9_32.mod_next));
1010	break;
1011	}
1012	DBGFR3AddrFromFlat(pVM, &CurAddr, ModCtl.v9_32.mod_next);
1013	}
1014	if (++iMod >= 1024)
1015	{
1016	LogRel(("sol32: too many modules (%d)\n", iMod));
1017	break;
1018	}
1019	} while (CurAddr.FlatPtr != pThis->AddrUnixModCtl.FlatPtr);
1020	}
1021
1022	pThis->fValid = true;
1023	return VINF_SUCCESS;
1024	}
1025
1026
1027	/**
1028	* @copydoc DBGFOSREG::pfnProbe
1029	*/
1030	static DECLCALLBACK(bool) dbgDiggerSolarisProbe(PVM pVM, void *pvData)
1031	{
1032	PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
1033
1034	/*
1035	* Look for "SunOS Release" in the text segment.
1036	*/
1037	DBGFADDRESS Addr;
1038	bool f64Bit = false;
1039
1040	/* 32-bit search range. */
1041	DBGFR3AddrFromFlat(pVM, &Addr, 0xfe800000);
1042	RTGCUINTPTR cbRange = 0xfec00000 - 0xfe800000;
1043
1044	DBGFADDRESS HitAddr;
1045	static const uint8_t s_abSunRelease[] = "SunOS Release ";
1046	int rc = DBGFR3MemScan(pVM, 0, &Addr, cbRange, 1, s_abSunRelease, sizeof(s_abSunRelease) - 1, &HitAddr);
1047	if (RT_FAILURE(rc))
1048	{
1049	/* 64-bit.... */
1050	DBGFR3AddrFromFlat(pVM, &Addr, UINT64_C(0xfffffffffb800000));
1051	cbRange = UINT64_C(0xfffffffffbc00000) - UINT64_C(0xfffffffffb800000);
1052	rc = DBGFR3MemScan(pVM, 0, &Addr, cbRange, 1, s_abSunRelease, sizeof(s_abSunRelease) - 1, &HitAddr);
1053	if (RT_FAILURE(rc))
1054	return false;
1055	f64Bit = true;
1056	}
1057
1058	/*
1059	* Look for the copyright string too, just to be sure.
1060	*/
1061	static const uint8_t s_abSMI[] = "Sun Microsystems, Inc.";
1062	static const uint8_t s_abORCL[] = "Oracle and/or its affiliates.";
1063	rc = DBGFR3MemScan(pVM, 0, &Addr, cbRange, 1, s_abSMI, sizeof(s_abSMI) - 1, &HitAddr);
1064	if (RT_FAILURE(rc))
1065	{
1066	/* Try the alternate copyright string. */
1067	rc = DBGFR3MemScan(pVM, 0, &Addr, cbRange, 1, s_abORCL, sizeof(s_abORCL) - 1, &HitAddr);
1068	if (RT_FAILURE(rc))
1069	return false;
1070	}
1071
1072	/*
1073	* Remember the unix text and data addresses and bitness.
1074	*/
1075	pThis->AddrUnixText = Addr;
1076	DBGFR3AddrAdd(&Addr, SOL_UNIX_MAX_CODE_SEG_SIZE);
1077	pThis->AddrUnixData = Addr;
1078	pThis->f64Bit = f64Bit;
1079
1080	return true;
1081	}
1082
1083
1084	/**
1085	* @copydoc DBGFOSREG::pfnDestruct
1086	*/
1087	static DECLCALLBACK(void) dbgDiggerSolarisDestruct(PVM pVM, void *pvData)
1088	{
1089
1090	}
1091
1092
1093	/**
1094	* @copydoc DBGFOSREG::pfnConstruct
1095	*/
1096	static DECLCALLBACK(int) dbgDiggerSolarisConstruct(PVM pVM, void *pvData)
1097	{
1098	return VINF_SUCCESS;
1099	}
1100
1101
1102	const DBGFOSREG g_DBGDiggerSolaris =
1103	{
1104	/* .u32Magic = */ DBGFOSREG_MAGIC,
1105	/* .fFlags = */ 0,
1106	/* .cbData = */ sizeof(DBGDIGGERSOLARIS),
1107	/* .szName = */ "Solaris",
1108	/* .pfnConstruct = */ dbgDiggerSolarisConstruct,
1109	/* .pfnDestruct = */ dbgDiggerSolarisDestruct,
1110	/* .pfnProbe = */ dbgDiggerSolarisProbe,
1111	/* .pfnInit = */ dbgDiggerSolarisInit,
1112	/* .pfnRefresh = */ dbgDiggerSolarisRefresh,
1113	/* .pfnTerm = */ dbgDiggerSolarisTerm,
1114	/* .pfnQueryVersion = */ dbgDiggerSolarisQueryVersion,
1115	/* .pfnQueryInterface = */ dbgDiggerSolarisQueryInterface,
1116	/* .u32EndMagic = */ DBGFOSREG_MAGIC
1117	};
1118

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source: vbox/trunk/src/VBox/Debugger/DBGPlugInSolaris.cpp@ 35287

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