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source: trunk/src/win32k/dev16/probkrnl.c@ 5620

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Last change on this file since 5620 was 5247, checked in by bird, 25 years ago
Calltable fixes. Handle event. New 14062e kernels.
File size: 46.8 KB

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1	/* $Id: probkrnl.c,v 1.35 2001-02-23 02:57:52 bird Exp $
2	*
3	* Description: Autoprobes the os2krnl file and os2krnl[*].sym files.
4	* Another Hack!
5	*
6	* 16-bit inittime code.
7	*
8	* All data has to be initiated because this is 16-bit C code
9	* and is to be linked with 32-bit C/C++ code. Uninitiazlied
10	* data ends up in the BSS segment, and that segment can't
11	* both be 32-bit and 16-bit. I have not found any other way
12	* around this problem that initiating all data.
13	*
14	* How this works:
15	* 1. parses the device-line parameters and collects some "SysInfo".
16	* 2. gets the kernel object table and kernel info like build no. (elf$)
17	* 3. if non-debug kernel the symbol database is scanned to get the syms
18	* 4. if Syms not found THEN locates and scans the symbol-file(s) for the
19	* entrypoints which are wanted.
20	* 5. the entry points are verified. (elf$)
21	* 6. finished.
22	*
23	* Copyright (c) 1998-2000 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
24	*
25	* Project Odin Software License can be found in LICENSE.TXT
26	*
27	*/
28
29
30	/*******************************************************************************
31	* Defined Constants And Macros *
32	*******************************************************************************/
33	/* Disable logging when doing extracts */
34	#if defined(EXTRACT) \|\| defined(RING0)
35	#define NOLOGGING 1
36	#endif
37
38	#define fclose(a) DosClose(a)
39	#define SEEK_SET FILE_BEGIN
40	#define SEEK_END FILE_END
41
42	#define WORD unsigned short int
43	#define DWORD unsigned long int
44
45	/* "@#IBM:14.039#@ os2krnl... "*/
46	/* "@#IBM:8.264#@ os2krnl... "*/
47	#define KERNEL_ID_STRING_LENGTH 42
48	#define KERNEL_READ_SIZE 512
49
50	#define INCL_BASE
51	#define INCL_DOS
52	#define INCL_NOPMAPI
53	#define INCL_OS2KRNL_LDR
54
55	/*******************************************************************************
56	* Header Files *
57	*******************************************************************************/
58	#include <os2.h>
59
60	#include <exe386.h>
61	#include <strat2.h>
62	#include <reqpkt.h>
63
64	#include "devSegDf.h"
65	#undef DATA16_INIT
66	#define DATA16_INIT
67	#undef CODE16_INIT
68	#define CODE16_INIT
69	#include "os2krnl.h" /* must be included before dev1632.h! */
70	#include "sym.h"
71	#include "probkrnl.h"
72	#include "dev16.h"
73	#include "dev1632.h"
74	#include "vprntf16.h"
75	#include "log.h"
76	#include "options.h"
77	#include "errors.h"
78
79	/*******************************************************************************
80	* Global Variables *
81	* Note: must be inited or else we'll get BSS segment *
82	*******************************************************************************/
83
84
85	/*
86	* aImportTab defines the imported and overloaded OS/2 kernel functions.
87	* IMPORTANT: aImportTab has three sibling arrays, two in dev32\d32init.c (aulProc
88	* and aTstFakers), and the calltab.asm, which must match entry by entry.
89	* - obsolete warning -
90	* When adding/removing/shuffling items in aImportTab, aulProc and
91	* calltab.asm has to be updated immediately!
92	* Use the mkcalltab.exe to generate calltab.asm and aTstFakers.
93	* - obsolete warning -
94	* We'll now generate both of these files from this table.
95	*
96	*/
97	IMPORTKRNLSYM DATA16_GLOBAL aImportTab[NBR_OF_KRNLIMPORTS] =
98	{/* iFound cchName offObject usSel fType */
99	/* iObject achName achExtra ulAddress cProlog */
100	/* Overrides */
101	{FALSE, -1, 12, "_ldrOpenPath", "@20", -1, -1, -1, -1, EPT_PROC32 \| EPT_WRAPPED}, /* Must be [0]! See importTabInit. */
102	{FALSE, -1, 8, "_ldrRead", "@24", -1, -1, -1, -1, EPT_PROC32},
103	{FALSE, -1, 8, "_ldrOpen", "@12", -1, -1, -1, -1, EPT_PROC32},
104	{FALSE, -1, 9, "_ldrClose", "@4", -1, -1, -1, -1, EPT_PROC32},
105	{FALSE, -1, 12, "_LDRQAppType", "@8", -1, -1, -1, -1, EPT_PROC32},
106	{FALSE, -1, 20, "_ldrEnum32bitRelRecs", "@24", -1, -1, -1, -1, EPT_PROC32},
107	{FALSE, -1, 14, "_ldrFindModule", "@16", -1, -1, -1, -1, EPT_PROC32},
108	{FALSE, -1, 21, "_ldrCheckInternalName","@4", -1, -1, -1, -1, EPT_PROC32},
109	{FALSE, -1, 11, "g_tkExecPgm", "", -1, -1, -1, -1, EPT_PROC32},
110	{FALSE, -1, 15, "_tkStartProcess", "", -1, -1, -1, -1, EPT_PROC32},
111	{FALSE, -1, 12, "dh_SendEvent", "", -1, -1, -1, -1, EPT_PROC16},
112	{FALSE, -1, 6, "RASRST", "", -1, -1, -1, -1, EPT_PROC16},
113	{FALSE, -1, 12, "_LDRClearSem", "@0", -1, -1, -1, -1, EPT_PROCIMPORT32},
114	{FALSE, -1, 21, "_ldrASMpMTEFromHandle","@4", -1, -1, -1, -1, EPT_PROCIMPORT32},
115	{FALSE, -1, 21, "_ldrValidateMteHandle","@4", -1, -1, -1, -1, EPT_PROCIMPORT32},
116	{FALSE, -1, 13, "_ldrTransPath", "@4", -1, -1, -1, -1, EPT_PROCIMPORT32},
117	{FALSE, -1, 15, "_ldrGetFileName", "@12", -1, -1, -1, -1, EPT_PROCIMPORT32},
118	{FALSE, -1, 15, "_ldrUCaseString", "@8", -1, -1, -1, -1, EPT_PROCIMPORT32},
119	{FALSE, -1, 11, "_VMAllocMem", "@36", -1, -1, -1, -1, EPT_PROCIMPORT32},
120	{FALSE, -1, 10, "_VMFreeMem", "@12", -1, -1, -1, -1, EPT_PROCIMPORT32},
121	{FALSE, -1, 11, "_VMGetOwner", "@8", -1, -1, -1, -1, EPT_PROCIMPORT32},
122	{FALSE, -1, 16, "_VMObjHandleInfo", "@12", -1, -1, -1, -1, EPT_PROCIMPORT32},
123	{FALSE, -1, 16, "_VMMapDebugAlias", "@20", -1, -1, -1, -1, EPT_PROCIMPORT32},
124	{FALSE, -1, 17, "_KSEMRequestMutex", "@8", -1, -1, -1, -1, EPT_PROCIMPORT32},
125	{FALSE, -1, 17, "_KSEMReleaseMutex", "@4", -1, -1, -1, -1, EPT_PROCIMPORT32},
126	{FALSE, -1, 15, "_KSEMQueryMutex", "@8", -1, -1, -1, -1, EPT_PROCIMPORT32},
127	{FALSE, -1, 12, "_TKPidToPTDA", "@8", -1, -1, -1, -1, EPT_PROCIMPORT32},
128	{FALSE, -1, 9, "_TKSuBuff", "@16", -1, -1, -1, -1, EPT_PROCIMPORT32},
129	{FALSE, -1, 9, "_TKFuBuff", "@16", -1, -1, -1, -1, EPT_PROCIMPORT32},
130	{FALSE, -1, 11, "_TKFuBufLen", "@20", -1, -1, -1, -1, EPT_PROCIMPORT32},
131	{FALSE, -1, 11, "_TKSuFuBuff", "@16", -1, -1, -1, -1, EPT_PROCIMPORT32},
132	{FALSE, -1, 11, "f_FuStrLenZ", "", -1, -1, -1, -1, EPT_PROCIMPORT16},
133	{FALSE, -1, 10, "f_FuStrLen", "", -1, -1, -1, -1, EPT_PROCIMPORT16},
134	{FALSE, -1, 8, "f_FuBuff", "", -1, -1, -1, -1, EPT_PROCIMPORT16},
135	{FALSE, -1, 12, "_SftFileSize", "@8", -1, -1, -1, -1, EPT_PROCIMPORT32},
136	{FALSE, -1, 12, "_PGPhysAvail", "@0", -1, -1, -1, -1, EPT_PROCIMPORT32},
137	{FALSE, -1, 14, "_PGPhysPresent", "@0", -1, -1, -1, -1, EPT_PROCIMPORT32},
138	{FALSE, -1, 17, "_vmRecalcShrBound", "@8", -1, -1, -1, -1, EPT_PROCIMPORT32},
139	{FALSE, -1, 15, "KMEnterKmodeSEF", "", -1, -1, -1, -1, EPT_PROCIMPORT32},
140	{FALSE, -1, 15, "KMExitKmodeSEF8", "", -1, -1, -1, -1, EPT_PROCIMPORT32},
141	{FALSE, -1, 16, "_ldrpFileNameBuf", "", -1, -1, -1, -1, EPT_VARIMPORT32},
142	{FALSE, -1, 7, "_LdrSem", "", -1, -1, -1, -1, EPT_VARIMPORT32},
143	{FALSE, -1, 8, "_pTCBCur", "", -1, -1, -1, -1, EPT_VARIMPORT16},
144	{FALSE, -1, 9, "_pPTDACur", "", -1, -1, -1, -1, EPT_VARIMPORT16},
145	{FALSE, -1, 10, "ptda_start", "", -1, -1, -1, -1, EPT_VARIMPORT16},
146	{FALSE, -1, 12, "ptda_environ", "", -1, -1, -1, -1, EPT_VARIMPORT16},
147	{FALSE, -1, 12, "ptda_ptdasem", "", -1, -1, -1, -1, EPT_VARIMPORT16},
148	{FALSE, -1, 11, "ptda_handle", "", -1, -1, -1, -1, EPT_VARIMPORT16},
149	{FALSE, -1, 11, "ptda_module", "", -1, -1, -1, -1, EPT_VARIMPORT16},
150	{FALSE, -1, 18, "ptda_pBeginLIBPATH", "", -1, -1, -1, -1, EPT_VARIMPORT16},
151	{FALSE, -1, 11, "_LDRLibPath", "", -1, -1, -1, -1, EPT_VARIMPORT32},
152	{FALSE, -1, 6, "_mte_h", "", -1, -1, -1, -1, EPT_VARIMPORT32},
153	{FALSE, -1, 9, "_global_h", "", -1, -1, -1, -1, EPT_VARIMPORT32},
154	{FALSE, -1, 9, "_global_l", "", -1, -1, -1, -1, EPT_VARIMPORT32},
155	{FALSE, -1, 11, "_specific_h", "", -1, -1, -1, -1, EPT_VARIMPORT32},
156	{FALSE, -1, 11, "_specific_l", "", -1, -1, -1, -1, EPT_VARIMPORT32},
157	{FALSE, -1, 10, "_program_h", "", -1, -1, -1, -1, EPT_VARIMPORT32},
158	{FALSE, -1, 10, "_program_l", "", -1, -1, -1, -1, EPT_VARIMPORT32},
159	{FALSE, -1, 11, "_SMcDFInuse", "", -1, -1, -1, -1, EPT_VARIMPORT32},
160	{FALSE, -1, 11, "_smFileSize", "", -1, -1, -1, -1, EPT_VARIMPORT32},
161	{FALSE, -1, 11, "_SMswapping", "", -1, -1, -1, -1, EPT_VARIMPORT32},
162	{FALSE, -1, 12, "_smcBrokenDF", "", -1, -1, -1, -1, EPT_VARIMPORT32},
163	{FALSE, -1, 12, "_pgPhysPages", "", -1, -1, -1, -1, EPT_VARIMPORT32},
164	{FALSE, -1, 13, "_SMcInMemFile", "", -1, -1, -1, -1, EPT_VARIMPORT32},
165	{FALSE, -1, 13, "_SMCFGMinFree", "", -1, -1, -1, -1, EPT_VARIMPORT32},
166	{FALSE, -1, 13, "_smcGrowFails", "", -1, -1, -1, -1, EPT_VARIMPORT32},
167	{FALSE, -1, 14, "_PGSwapEnabled", "", -1, -1, -1, -1, EPT_VARIMPORT32},
168	{FALSE, -1, 14, "_pgcPageFaults", "", -1, -1, -1, -1, EPT_VARIMPORT32},
169	{FALSE, -1, 14, "_SMCFGSwapSize", "", -1, -1, -1, -1, EPT_VARIMPORT32},
170	{FALSE, -1, 16, "_pgResidentPages", "", -1, -1, -1, -1, EPT_VARIMPORT32},
171	{FALSE, -1, 17, "_pgSwappablePages", "", -1, -1, -1, -1, EPT_VARIMPORT32},
172	{FALSE, -1, 8, "_ahvmShr", "", -1, -1, -1, -1, EPT_VARIMPORT32},
173	{FALSE, -1, 8, "_ahvmSys", "", -1, -1, -1, -1, EPT_VARIMPORT32},
174	{FALSE, -1, 19, "_pgDiscardableInmem", "", -1, -1, -1, -1, EPT_VARIMPORT32},
175	{FALSE, -1, 19, "_pgDiscardablePages", "", -1, -1, -1, -1, EPT_VARIMPORT32},
176	{FALSE, -1, 10, "_SMMinFree", "", -1, -1, -1, -1, EPT_VARIMPORT32},
177	{FALSE, -1, 20, "_pgcPageFaultsActive", "", -1, -1, -1, -1, EPT_VARIMPORT32},
178	{FALSE, -1, 10, "_pgPhysMax", "", -1, -1, -1, -1, EPT_VARIMPORT32},
179	{FALSE, -1, 9, "_ahvmhShr", "", -1, -1, -1, -1, EPT_VARIMPORTNR32},
180	{FALSE, -1, 20, "_VirtualAddressLimit", "", -1, -1, -1, -1, EPT_VARIMPORTNR32},
181	{FALSE, -1, 14, "SecPathFromSFN", "", -1, -1, -1, -1, EPT_PROCIMPORTNR32},
182	#if 0 /* not used */
183	{FALSE, -1, 9, "_KSEMInit", "@12", -1, -1, -1, -1, EPT_PROCIMPORT32},
184	{FALSE, -1, 10, "_IOSftOpen", "@20", -1, -1, -1, -1, EPT_PROCIMPORT32},
185	{FALSE, -1, 11, "_IOSftClose", "@4", -1, -1, -1, -1, EPT_PROCIMPORT32},
186	{FALSE, -1, 15, "_IOSftTransPath", "@4", -1, -1, -1, -1, EPT_PROCIMPORT32},
187	{FALSE, -1, 12, "_IOSftReadAt", "@20", -1, -1, -1, -1, EPT_PROCIMPORT32},
188	{FALSE, -1, 13, "_IOSftWriteAt", "@20", -1, -1, -1, -1, EPT_PROCIMPORT32},
189	#endif
190	#if 0/* experimenting...*/
191	{FALSE, -1, 14, "_ldrSetVMflags", "@16", -1, -1, -1, -1, EPT_PROC32},
192	#endif
193	};
194
195
196	/**
197	* szSymbolFile holds the name of the symbol file used.
198	*
199	*/
200	char DATA16_GLOBAL szSymbolFile[60] = {0};
201
202	/**
203	* iProc holds the number of the procedure which failed during verify.
204	*/
205	int DATA16_GLOBAL iProc = -1; /* The procedure number which failed Verify. */
206
207
208
209	/*
210	* privat data
211	*/
212	static char * DATA16_INIT apszSym[] =
213	{
214	{"c:\\os2krnl.sym"}, /* usual for debugkernel */
215	{"c:\\os2\\pdpsi\\pmdf\\warp4\\os2krnlr.sym"}, /* warp 4 */
216	{"c:\\os2\\pdpsi\\pmdf\\warp4\\os2krnld.sym"}, /* warp 4 */
217	{"c:\\os2\\pdpsi\\pmdf\\warp4\\os2krnlb.sym"}, /* warp 4 */
218	{"c:\\os2\\pdpsi\\pmdf\\warp45_u\\os2krnlr.sym"}, /* warp 45 */
219	{"c:\\os2\\pdpsi\\pmdf\\warp45_u\\os2krnld.sym"}, /* warp 45 */
220	{"c:\\os2\\pdpsi\\pmdf\\warp45_u\\os2krnlb.sym"}, /* warp 45 */
221	{"c:\\os2\\pdpsi\\pmdf\\warp45_s\\os2krnlr.sym"}, /* warp 45 */
222	{"c:\\os2\\pdpsi\\pmdf\\warp45_s\\os2krnld.sym"}, /* warp 45 */
223	{"c:\\os2\\pdpsi\\pmdf\\warp45_s\\os2krnlb.sym"}, /* warp 45 */
224	{"c:\\os2\\system\\trace\\os2krnl.sym"}, /* warp 3 ?*/
225	{"c:\\os2\\system\\pmdf\\os2krnlr.sym"}, /* warp 3 ?*/
226	{"c:\\os2krnlr.sym"}, /* custom */
227	{"c:\\os2krnlh.sym"}, /* custom */
228	{"c:\\os2krnld.sym"}, /* custom */
229	NULL
230	};
231
232	/* Result from GetKernelInfo/ReadOS2Krnl. */
233	unsigned char DATA16_INIT cObjects = 0;
234	POTE DATA16_INIT paKrnlOTEs = NULL;
235
236
237	/*
238	*
239	*/
240	static struct
241	{
242	short sErr;
243	const char *pszMsg;
244	} DATA16_INIT aErrorMsgs[] =
245	{
246	{ERROR_PROB_KRNL_OPEN_FAILED, "Krnl: Failed to open kernel file."},
247	{ERROR_PROB_KRNL_SEEK_SIZE, "Krnl: Failed to seek to end to of file."},
248	{ERROR_PROB_KRNL_SEEK_FIRST, "Krnl: Failed to start of file."},
249	{ERROR_PROB_KRNL_READ_FIRST, "Krnl: Failed to read (first)."},
250	{ERROR_PROB_KRNL_READ_NEXT, "Krnl: Failed to read."},
251	{ERROR_PROB_KRNL_TAG_NOT_FOUND, "Krnl: Build level tag was not found."},
252	{ERROR_PROB_KRNL_INV_SIGANTURE, "Krnl: Invalid build level signature."},
253	{ERROR_PROB_KRNL_INV_BUILD_NBR, "Krnl: Invalid build level number."},
254	{ERROR_PROB_KRNL_BUILD_VERSION, "Krnl: Invalid build level version."},
255	{ERROR_PROB_KRNL_MZ_SEEK, "Krnl: Failed to seek to start of file. (MZ)"},
256	{ERROR_PROB_KRNL_MZ_READ, "Krnl: Failed to read MZ header."},
257	{ERROR_PROB_KRNL_NEOFF_INVALID, "Krnl: Invalid new-header offset in MZ header."},
258	{ERROR_PROB_KRNL_NEOFF_SEEK, "Krnl: Failed to seek to new-header offset."},
259	{ERROR_PROB_KRNL_LX_READ, "Krnl: Failed to read LX header."},
260	{ERROR_PROB_KRNL_LX_SIGNATURE, "Krnl: Invalid LX header signature."},
261	{ERROR_PROB_KRNL_OBJECT_CNT, "Krnl: Object count don't match the running kernel."},
262	{ERROR_PROB_KRNL_OBJECT_CNR_10, "Krnl: Less than 10 objects - not a valid kernel file!"},
263	{ERROR_PROB_KRNL_OTE_SEEK, "Krnl: Failed to seek to OTEs."},
264	{ERROR_PROB_KRNL_OTE_READ, "Krnl: Failed to read OTEs."},
265	{ERROR_PROB_KRNL_OTE_SIZE_MIS, "Krnl: Size of a OTE didn't match the running kernel."},
266
267	/*
268	* ProbeSymFile error messages + some extra ones.
269	*/
270	{ERROR_PROB_SYM_FILE_NOT_FOUND, "Sym: Symbol file was not found."},
271	{ERROR_PROB_SYM_READERROR, "Sym: Read failed."},
272	{ERROR_PROB_SYM_INVALID_MOD_NAME, "Sym: Invalid module name (not OS2KRNL)."},
273	{ERROR_PROB_SYM_SEGS_NE_OBJS, "Sym: Number of segments don't match the object count of the kernel."},
274	{ERROR_PROB_SYM_SEG_DEF_SEEK, "Sym: Failed to seek to a segment definition."},
275	{ERROR_PROB_SYM_SEG_DEF_READ, "Sym: Failed to read a segment definition."},
276	{ERROR_PROB_SYM_IMPORTS_NOTFOUND, "Sym: Some of the imports wasn't found."},
277	{ERROR_PROB_SYM_V_PROC_NOT_FND, "Sym: Verify failed: Procedure not found."},
278	{ERROR_PROB_SYM_V_OBJ_OR_ADDR, "Sym: Verify failed: Invalid object or address."},
279	{ERROR_PROB_SYM_V_ADDRESS, "Sym: Verify failed: Invalid address."},
280	{ERROR_PROB_SYM_V_PROLOG, "Sym: Verify failed: Invalid prolog."},
281	{ERROR_PROB_SYM_V_NOT_IMPL, "Sym: Verify failed: Not implemented."},
282	{ERROR_PROB_SYM_V_GETOS2KRNL, "GetOs2Krnl: failed."},
283	{ERROR_PROB_SYM_V_NO_SWAPMTE, "GetOs2Krnl: No Swap MTE."},
284	{ERROR_PROB_SYM_V_OBJECTS, "GetOs2Krnl: Too many objects."},
285	{ERROR_PROB_SYM_V_OBJECT_TABLE, "GetOs2Krnl: No object table."},
286	{ERROR_PROB_SYM_V_BUILD_INFO, "GetOs2Krnl: Build info not found."},
287	{ERROR_PROB_SYM_V_INVALID_BUILD, "GetOs2Krnl: Unsupported build."},
288	{ERROR_PROB_SYM_V_VERIFY, "importTabInit: Import failed."},
289	{ERROR_PROB_SYM_V_IPE, "importTabInit: Internal-Processing-Error."},
290	{ERROR_PROB_SYM_V_HEAPINIT, "R0Init32: HeapInit Failed."},
291	{ERROR_PROB_SYM_V_D32_LDR_INIT, "R0Init32: ldrInit Failed."},
292
293	{ERROR_PROB_SYMDB_KRNL_NOT_FOUND, "SymDB: Kernel was not found."}
294	};
295
296	/*
297	* Fake data for Ring-3 testing.
298	*/
299	#ifdef R3TST
300	USHORT DATA16_INIT usFakeVerMajor = 0;
301	USHORT DATA16_INIT usFakeVerMinor = 0;
302	#ifdef R3TST
303	static DATA16_INIT ach[11] = {0}; /* works around compiler/linker bug */
304	#endif
305	#endif
306
307
308	/*******************************************************************************
309	* Internal Functions *
310	*******************************************************************************/
311	/* File an output replacements */
312	HFILE fopen(const char * pszFilename, const char * pszIgnored);
313	int fread(void * pvBuffer, USHORT cbBlock, USHORT cBlock, HFILE hFile);
314	int fseek(HFILE hfile, signed long off, int iOrg);
315	unsigned long fsize(HFILE hFile);
316
317	/* C-library replacements and additions. */
318	void kmemcpy(char psz1, const char psz2, int cch);
319	char * kstrstr(const char psz1, const char psz2);
320	int kstrcmp(const char psz1, const char psz2);
321	int kstrncmp(const char psz1, const char psz2, int cch);
322	int kstrnicmp(const char psz1, const char psz2, int cch);
323	int kstrlen(const char *psz);
324	char * kstrcpy(char * pszTarget, const char * pszSource);
325	int kargncpy(char pszTarget, const char pszArg, unsigned cchMaxlen);
326
327	/* Workers */
328	int LookupKrnlEntry(unsigned short usBuild, unsigned short fKernel, unsigned char cObjects);
329	int VerifyPrologs(void);
330	int ProbeSymFile(const char *pszFilename);
331	int GetKernelInfo(void);
332
333	/* Ouput */
334	void ShowResult(int rc);
335
336	/* Others used while debugging in R3. */
337	int VerifyKernelVer(void);
338	int ReadOS2Krnl(char *pszFilename);
339	int ReadOS2Krnl2(HFILE hKrnl, unsigned long cbKrnl);
340
341
342
343	/*******************************************************************************
344	* Implementation of Internal Helper Functions *
345	*******************************************************************************/
346
347	/**
348	* Quick implementation of fopen.
349	* @param pszFilename name of file to open (sz)
350	* @param pszIgnored whatever - it is ignored
351	* @return Handle to file. (not pointer to a FILE stream as in C-library)
352	* @remark binary and readonly is assumed!
353	*/
354	HFILE fopen(const char * pszFilename, const char * pszIgnored)
355	{
356	HFILE hFile = 0;
357	USHORT rc;
358	unsigned short Action = 0;
359
360	rc = DosOpen(
361	(char*)pszFilename,
362	&hFile,
363	&Action,
364	0,
365	FILE_NORMAL,
366	OPEN_ACTION_FAIL_IF_NEW \| OPEN_ACTION_OPEN_IF_EXISTS,
367	OPEN_SHARE_DENYNONE + OPEN_ACCESS_READONLY,
368	NULL);
369
370	pszIgnored = pszIgnored;
371	return hFile;
372	}
373
374
375	/**
376	* fread emulation
377	* @returns Number of blocks read.
378	* @param pvBuffer Buffer to read into
379	* @param cbBlock Blocksize
380	* @param cBlock Block count
381	* @param hFile Handle to file (HFILE)
382	*/
383	int fread(void * pvBuffer, USHORT cbBlock, USHORT cBlock, HFILE hFile)
384	{
385	USHORT ulRead;
386	USHORT rc;
387
388	rc = DosRead(hFile, pvBuffer, (USHORT)(cbBlock*cBlock), &ulRead);
389	if (rc == 0)
390	rc = (USHORT)cBlock;
391	else
392	rc = 0;
393
394	return rc;
395	}
396
397
398	/**
399	* fseek emultation
400	* @returns Same as DosChgFilePtr
401	* @param hFile Filehandle
402	* @param off offset into file from origin
403	* @param org origin
404	*/
405	int fseek(HFILE hFile, signed long off, int iOrg)
406	{
407	ULONG ul;
408	return (int)DosChgFilePtr(hFile, off, iOrg, &ul);
409	}
410
411
412	/**
413	* Get filesize in bytes.
414	* @returns Filesize.
415	* @param hFile Filehandle
416	* @remark This function sets the file position to end of file.
417	*/
418	unsigned long fsize(HFILE hFile)
419	{
420	USHORT rc;
421	unsigned long cb;
422
423	rc = DosChgFilePtr(hFile, 0, FILE_END, &cb);
424
425	return cb;
426	}
427
428
429	/**
430	* kmemcpy - memory copy - slow!
431	* @param psz1 target
432	* @param psz2 source
433	* @param cch length
434	*/
435	void kmemcpy(char psz1, const char psz2, int cch)
436	{
437	while (cch-- != 0)
438	psz1++ = psz2++;
439	}
440
441
442	/**
443	* Finds psz2 in psz2.
444	* @returns Pointer to occurence of psz2 in psz1.
445	* @param psz1 String to be search.
446	* @param psz2 Substring to search for.
447	* @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
448	*/
449	char kstrstr(const char psz1, const char *psz2)
450	{
451	while (*psz1 != '\0')
452	{
453	register int i = 0;
454	while (psz2[i] != '\0' && psz1[i] == psz2[i])
455	i++;
456
457	/* found it? */
458	if (psz2[i] == '\0')
459	return (char*)psz1;
460	if (psz1[i] == '\0' )
461	break;
462	psz1++;
463	}
464
465	return NULL;
466	}
467
468
469	#if 0 /* not in use */
470	/**
471	* kstrcmp - String compare
472	* @returns 0 - equal else !0
473	* @param psz1 String 1
474	* @param psz2 String 2
475	*/
476	int kstrcmp(const char psz1, const char psz2);
477	{
478	while (psz1 == psz2 && psz1 != '\0' && psz2 != '\0')
479	{
480	psz1++;
481	psz2++;
482	}
483	return psz1 - psz2;
484	}
485	#endif
486
487
488	/**
489	* kstrncmp - String 'n' compare.
490	* @returns 0 - equal else !0
491	* @param p1 String 1
492	* @param p2 String 2
493	* @param len length
494	*/
495	int kstrncmp(register const char psz1, register const char psz2, int cch)
496	{
497	int i = 0;
498	while (i < cch && psz1 == psz2 && psz1 != '\0' && psz2 != '\0')
499	{
500	psz1++;
501	psz2++;
502	i++;
503	}
504
505	return i - cch;
506	}
507
508
509	#if 0 /* not in use */
510	/**
511	* kstrnicmp - String 'n' compare, case-insensitive.
512	* @returns 0 - equal else !0
513	* @param p1 String 1
514	* @param p2 String 2
515	* @param len length
516	*/
517	int kstrnicmp(const char psz1, const char psz2, int cch)
518	{
519	register char ch1, ch2;
520
521	do
522	{
523	ch1 = *psz1++;
524	if (ch1 >= 'A' && ch1 <= 'Z')
525	ch1 += 'a' - 'A'; /* to lower case */
526	ch2 = *psz2++;
527	if (ch2 >= 'A' && ch2 <= 'Z')
528	ch2 += 'a' - 'A'; /* to lower case */
529	} while (--cch > 0 && ch1 == ch2 && ch1 != '\0' && ch2 != '\0');
530
531	return ch1 - ch2;
532	}
533	#endif
534
535
536	/**
537	* kstrlen - String length.
538	* @returns Length of the string.
539	* @param psz Pointer to string.
540	* @status completely implemented and tested.
541	* @author knut st. osmundsen
542	*/
543	int kstrlen(register const char * psz)
544	{
545	register int cch = 0;
546	while (*psz++ != '\0')
547	cch++;
548	return cch;
549	}
550
551
552	/**
553	* String copy (strcpy).
554	* @returns Pointer to target string.
555	* @param pszTarget Target string.
556	* @param pszSource Source string.
557	* @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
558	*/
559	char * kstrcpy(char * pszTarget, register const char * pszSource)
560	{
561	register char *psz = pszTarget;
562
563	while (*pszSource != '\0')
564	psz++ = pszSource++;
565	*psz = '\0';
566	return pszTarget;
567	}
568
569
570
571
572	/**
573	* Copy an argument to a buffer. Ie. "-K[=\|:]c:\os2krnl ....". Supports quotes
574	* @returns Number of chars of pszArg that has been processed.
575	* @param pszTarget - pointer to target buffer.
576	* @param pszArg - pointer to source argument string.
577	* @param cchMaxlen - maximum chars to copy.
578	*/
579	int kargncpy(char * pszTarget, const char * pszArg, unsigned cchMaxlen)
580	{
581	int i = 0;
582	int fQuote = FALSE;
583
584	/* skip option word/letter */
585	while (pszArg != '\0' && pszArg != ' ' && *pszArg != ':' &&
586	pszArg != '=' && pszArg != '-' && *pszArg != '/')
587	{
588	pszArg++;
589	i++;
590	}
591
592	if (pszArg == ' ' \|\| pszArg == '-' \|\| pszArg == '/' \|\| pszArg == '\0')
593	return 0;
594
595
596	do
597	{
598	pszArg++;
599	i++;
600	} while (pszArg != '\0' && pszArg == ' ');
601
602	/* copy maxlen or less */
603	/* check for quotes */
604	if (*pszArg == '"')
605	{
606	fQuote = TRUE;
607	pszArg++;
608	i++;
609	}
610	/* copy loop */
611	while (cchMaxlen > 1 && (fQuote ? pszArg != '"' : pszArg != ' ') && *pszArg != '\0')
612	{
613	pszTarget++ = pszArg++;
614	i++;
615	cchMaxlen--;
616	}
617
618	/* terminate pszTarget */
619	pszTarget = '\0';
620
621	return i;
622	}
623
624
625	/**
626	* Get the message text for an error message.
627	* @returns Pointer to error text. NULL if not found.
628	* @param sErr Error code id.
629	* @status completely implemented.
630	* @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
631	*/
632	const char * GetErrorMsg(short sErr)
633	{
634	int i;
635	for (i = 0; i < sizeof(aErrorMsgs) / sizeof(aErrorMsgs[0]); i++)
636	{
637	if (aErrorMsgs[i].sErr == sErr)
638	return aErrorMsgs[i].pszMsg;
639	}
640	return NULL;
641	}
642
643
644
645	/*******************************************************************************
646	* Implementation Of The Important Functions *
647	*******************************************************************************/
648	/**
649	* Checks if this kernel is within the kernel symbol database.
650	* If an entry for the kernel is found, the data is copied from the
651	* database entry to aImportTab.
652	* @returns NO_ERROR on succes (0)
653	* 1 if not found.
654	* Error code on error.
655	* @param usBuild Build level.
656	* @param fKernel Kernel (type) flags. (KF_* from options.h)
657	* @param cObjects Count of object in the running kernel.
658	* @sketch Loop thru the table.
659	* @status completely implemented.
660	* @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
661	*/
662	int LookupKrnlEntry(unsigned short usBuild, unsigned short fKernel, unsigned char cObjects)
663	{
664	int i;
665
666	/*
667	* Loop tru the DB entries until a NULL pointer is found.
668	*/
669	for (i = 0; aKrnlSymDB[i].usBuild != 0; i++)
670	{
671	if ( aKrnlSymDB[i].usBuild == usBuild
672	&& aKrnlSymDB[i].fKernel == fKernel
673	&& aKrnlSymDB[i].cObjects == cObjects)
674	{ /* found matching entry! */
675	int j;
676	int rc;
677	PKRNLDBENTRY pEntry = &aKrnlSymDB[i];
678
679	dprintf(("LookUpKrnlEntry - found entry for this kernel!\n"));
680	kstrcpy(szSymbolFile, "Win32k Symbol Database");
681
682	/*
683	* Copy symbol data from the DB to aImportTab.
684	*/
685	for (j = 0; j < NBR_OF_KRNLIMPORTS; j++)
686	{
687	aImportTab[j].offObject = pEntry->aSyms[j].offObject;
688	aImportTab[j].iObject = pEntry->aSyms[j].iObject;
689	aImportTab[j].ulAddress = paKrnlOTEs[pEntry->aSyms[j].iObject].ote_base
690	+ pEntry->aSyms[j].offObject;
691	aImportTab[j].usSel = paKrnlOTEs[pEntry->aSyms[j].iObject].ote_sel;
692	aImportTab[j].fFound = (char)((aImportTab[j].offObject != 0xFFFFFFFFUL) ? 1 : 0);
693	dprintf((" %-3d addr=0x%08lx off=0x%08lx %s\n",
694	j, aImportTab[j].ulAddress, aImportTab[j].offObject,
695	aImportTab[j].achName));
696	}
697
698	/* Verify prologs*/
699	rc = VerifyPrologs();
700
701	/* set sym name on success or complain on error */
702	if (rc != 0)
703	{
704	printf16("Warning: The Win32k Symbol Database entry found.\n"
705	" But, VerifyPrologs() returned rc=0x%x and iProc=%d\n", rc, iProc);
706	DosSleep(3000);
707	}
708
709	return rc;
710	}
711	}
712
713	/* not found */
714	return ERROR_PROB_SYMDB_KRNL_NOT_FOUND;
715	}
716
717
718	/**
719	* Verifies the that the addresses in aImportTab are valid.
720	* This is done at Ring-0 of course.
721	* @returns NO_ERROR (ie. 0) on success. iProc = -1
722	* The appropriate OS/2 or Win32k return code on success. iProc
723	* is set to the failing procedure (if appliable).
724	*/
725	int VerifyPrologs(void)
726	{
727	#if !defined(EXTRACT)
728	APIRET rc;
729	HFILE hDev0 = 0;
730	USHORT usAction = 0;
731
732	/* Set the failing procedure number to -1. */
733	iProc = -1;
734
735	/* Open the elf device driver. */
736	rc = DosOpen("\\dev\\elf$", &hDev0, &usAction, 0UL, FILE_NORMAL,
737	OPEN_ACTION_FAIL_IF_NEW \| OPEN_ACTION_OPEN_IF_EXISTS,
738	OPEN_SHARE_DENYNONE \| OPEN_ACCESS_READONLY,
739	0UL);
740	if (rc == NO_ERROR)
741	{
742	D16VERIFYIMPORTTABDATA Data = {0};
743
744	/* Issue the VerifyImportTab IOCtl call. */
745	rc = DosDevIOCtl(&Data, "", D16_IOCTL_VERIFYIMPORTTAB, D16_IOCTL_CAT, hDev0);
746	DosClose(hDev0);
747	if (rc == NO_ERROR)
748	{
749	if (Data.usRc != NO_ERROR)
750	{
751	/* set the appropriate return values. */
752	rc = (Data.usRc & ERROR_D32_ERROR_MASK) + ERROR_PROB_SYM_D32_FIRST;
753	if (Data.usRc & ERROR_D32_PROC_FLAG)
754	iProc = (Data.usRc & ERROR_D32_PROC_MASK) >> ERROR_D32_PROC_SHIFT;
755	}/* else success */
756	}
757	else
758	{
759	dprintf(("DosDevIOCtl failed with rc=%d\n", rc));
760	DosSleep(3000);
761	}
762	}
763	else
764	{
765	dprintf(("DosOpen Failed with rc=%d\n", rc));
766	DosSleep(3000);
767	}
768
769	return rc;
770	#else
771	return 0;
772	#endif
773	}
774
775
776	/**
777	* Check a symbol file. Searches for the wanted entry-point addresses.
778	* @returns 0 on success - something else on failiure.
779	* @param pszFilename Name of file to probe.
780	* @precond Must be called after kernel-file is found and processed.
781	* @remark Error codes starts at -50.
782	*/
783	int ProbeSymFile(const char * pszFilename)
784	{
785	HFILE hSym; /* Filehandle */
786	int cLeftToFind; /* Symbols left to find */
787	unsigned long iSeg; /* Outer search loop: Segment number */
788	unsigned iSym; /* Middle search loop: Symbol number */
789	unsigned i; /* Inner search loop: ProcTab index */
790	int rc;
791
792	MAPDEF MapDef; /* Mapfile header */
793	SEGDEF SegDef; /* Segment header */
794	SYMDEF32 SymDef32; /* Symbol definition 32-bit */
795	SYMDEF16 SymDef16; /* Symbol definition 16-bit */
796	char achBuffer[256]; /* Name buffer */
797	unsigned long offSegment; /* Segment definition offset */
798	unsigned long offSymPtr; /* Symbol pointer(offset) offset */
799	unsigned short offSym; /* Symbol definition offset */
800
801
802	/*
803	* Open the symbol file
804	*/
805	hSym = fopen(pszFilename, "rb");
806	if (hSym==0)
807	{
808	dprintf(("Error opening file %s\n", pszFilename));
809	return ERROR_PROB_SYM_FILE_NOT_FOUND;
810	}
811	dprintf(("\nSuccessfully opened symbolfile: %s\n", pszFilename));
812
813
814	/*
815	* (Open were successfully.)
816	* Now read header and display it.
817	*/
818	rc = fread(&MapDef, sizeof(MAPDEF), 1, hSym);
819	if (!rc)
820	{ /* oops! read failed, close file and fail. */
821	fclose(hSym);
822	return ERROR_PROB_SYM_READERROR;
823	}
824	achBuffer[0] = MapDef.achModName[0];
825	fread(&achBuffer[1], 1, MapDef.cbModName, hSym);
826	achBuffer[MapDef.cbModName] = '\0';
827	dprintf(("*Module name: %s\n", achBuffer));
828	dprintf(("Segments: %d\nMaxSymbolLength: %d\n", MapDef.cSegs, MapDef.cbMaxSym));
829	dprintf(("*ppNextMap: 0x%x\n", MapDef.ppNextMap ));
830
831
832	/*
833	* Verify that the modulename of the symbol file is OS2KRNL.
834	*/
835	if (MapDef.cbModName == 7 && kstrncmp(achBuffer, "OS2KRNL", 7) != 0)
836	{ /* modulename was not OS2KRNL, fail. */
837	dprintf(("Modulename verify failed\n"));
838	fclose(hSym);
839	return ERROR_PROB_SYM_INVALID_MOD_NAME;
840	}
841
842
843	/*
844	* Verify that the number of segments is equal to the number objects in OS2KRNL.
845	*/
846	#ifndef EXTRACT
847	if (MapDef.cSegs != cObjects)
848	{ /* incorrect count of segments. */
849	dprintf(("Segment No. verify failed\n"));
850	fclose(hSym);
851	return ERROR_PROB_SYM_SEGS_NE_OBJS;
852	}
853	#endif /* !EXTRACT */
854
855
856	/*
857	* Reset ProcTab
858	*/
859	for (i = 0; i < NBR_OF_KRNLIMPORTS; i++)
860	{
861	aImportTab[i].fFound = 0;
862	#ifdef DEBUG
863	aImportTab[i].iObject = 0;
864	aImportTab[i].offObject = 0;
865	aImportTab[i].ulAddress = 0;
866	aImportTab[i].usSel = 0;
867	#endif
868	}
869
870
871	/*
872	* Fileoffset of the first segment.
873	* And set cLeftToFind.
874	*/
875	offSegment = SEGDEFOFFSET(MapDef);
876	cLeftToFind = NBR_OF_KRNLIMPORTS;
877
878	/*
879	* Search thru the entire file, segment by segment.
880	*
881	* ASSUME: last segment is the only 32-bit code segment.
882	*
883	*/
884	for (iSeg = 0; iSeg < MapDef.cSegs; iSeg++, offSegment = NEXTSEGDEFOFFSET(SegDef))
885	{
886	int fSegEPTBitType; /* Type of segment, 16 or 32 bit, expressed in EPT_XXBIT flags */
887	int fCode; /* Set if this is a code segment, else clear. */
888
889	/*
890	* Read the segment definition.
891	*/
892	if (fseek(hSym, offSegment, SEEK_SET))
893	{ /* Failed to seek to the segment definition, fail! */
894	fclose(hSym);
895	return ERROR_PROB_SYM_SEG_DEF_SEEK;
896	}
897	rc = fread(&SegDef, sizeof(SEGDEF), 1, hSym);
898	if (!rc)
899	{ /* Failed to read the segment definition, fail! */
900	fclose(hSym);
901	return ERROR_PROB_SYM_SEG_DEF_READ;
902	}
903
904	/*
905	* Some debugging info.
906	*/
907	achBuffer[0] = SegDef.achSegName[0];
908	fread(&achBuffer[1], 1, SegDef.cbSegName, hSym);
909	achBuffer[SegDef.cbSegName] = '\0';
910	dprintf(("Segment %.2li Flags=0x%02x cSymbols=0x%04x Name=%s\n",
911	iSeg, SegDef.bFlags, SegDef.cSymbols, &achBuffer[0]));
912
913	/*
914	* Determin segment bit type.
915	*/
916	fSegEPTBitType = SEG32BitSegment(SegDef) ? EPT_32BIT : EPT_16BIT;
917	fCode = kstrstr(achBuffer, "CODE") != NULL;
918
919	/*
920	* Search thru all the symbols in this segment
921	* while we look for the requested symbols in aImportTab.
922	*/
923	for (iSym = 0; iSym < SegDef.cSymbols && cLeftToFind; iSym++)
924	{
925	IMPORTKRNLSYM * pImport;
926	unsigned cchName;
927
928	/*
929	* Fileoffset of the current symbol.
930	* Set filepointer to that position.
931	* Read word (which is the offset of the symbol).
932	*/
933	offSymPtr = SYMDEFOFFSET(offSegment, SegDef, iSym);
934	rc = fseek(hSym, offSymPtr, SEEK_SET);
935	if (rc)
936	{ /* Symboloffset seek failed, try read next symbol. */
937	dprintf(("Warning: Seek failed (offSymPtr=%d, rc=%d)\n", offSymPtr, rc));
938	continue;
939	}
940	rc = fread(&offSym, sizeof(unsigned short int), 1, hSym);
941	if (!rc)
942	{ /* Symboloffset read failed, try read next symbol. */
943	dprintf(("Warning: read failed (offSymPtr=%d, rc=%d)\n", offSymPtr, rc));
944	continue;
945	}
946	rc = fseek(hSym, offSym + offSegment, SEEK_SET);
947	if (rc)
948	{ /* Symbol Seek failed, try read next symbol. */
949	dprintf(("Warning: Seek failed (offSym=%d, rc=%d)\n", offSym, rc));
950	continue;
951	}
952
953
954	/*
955	* Read symbol and symbolname.
956	*/
957	if (SegDef.bFlags & 0x01)
958	rc = fread(&SymDef32, sizeof(SYMDEF32), 1, hSym);
959	else
960	rc = fread(&SymDef16, sizeof(SYMDEF16), 1, hSym);
961	if (!rc)
962	{ /* Symbol read failed, try read next symbol */
963	dprintf(("Warning: Read(1) failed (offSym=%d, rc=%d)\n", offSym, rc));
964	continue;
965	}
966	achBuffer[0] = (SegDef.bFlags & 0x01) ? SymDef32.achSymName[0] : SymDef16.achSymName[0];
967	cchName = (SegDef.bFlags & 0x01) ? SymDef32.cbSymName : SymDef16.cbSymName;
968	rc = fread(&achBuffer[1], 1, cchName, hSym);
969	if (!rc)
970	{ /* Symbol read failed, try read next symbol */
971	dprintf(("Warning: Read(2) failed (offSym=%d, rc=%d)\n", offSym, rc));
972	continue;
973	}
974	achBuffer[cchName] = '\0';
975
976
977	/*
978	* Search proctable.
979	*/
980	for (i = 0, pImport = &aImportTab[0]; i < NBR_OF_KRNLIMPORTS; i++, pImport++)
981	{
982	if (!pImport->fFound /* Not allready found */
983	&& (pImport->fType & EPT_VARIMPORT ? !fCode : fCode) /* Don't look for code in a data segment */
984	&& pImport->cchName == cchName /* Equal name length */
985	&& kstrncmp(pImport->achName, achBuffer, cchName) == 0 /* Equal name */
986	)
987	{ /* Symbol was found */
988	pImport->offObject = (SegDef.bFlags & 0x01 ? SymDef32.wSymVal : SymDef16.wSymVal);
989	pImport->ulAddress = pImport->offObject + paKrnlOTEs[iSeg].ote_base;
990	pImport->iObject = (unsigned char)iSeg;
991	pImport->usSel = paKrnlOTEs[iSeg].ote_sel;
992	dprintf(("debug: base=%lx, size=%lx iSeg=%d\n", paKrnlOTEs[iSeg].ote_base, paKrnlOTEs[iSeg].ote_size, iSeg));
993
994	/* Paranoia test! */
995	#ifndef EXTRACT
996	if (pImport->offObject < paKrnlOTEs[iSeg].ote_size)
997	{
998	pImport->fFound = TRUE;
999	cLeftToFind--;
1000	dprintf(("Found: %s at off 0x%lx addr 0x%lx, sel=0x%x\n",
1001	pImport->achName, pImport->offObject,
1002	pImport->ulAddress, pImport->usSel));
1003	}
1004	else/* test failed, continue on next symbol*/
1005	dprintf(("Error: Paranoia test failed for %s\n", pImport->achName));;
1006	#else
1007	pImport->fFound = TRUE;
1008	cLeftToFind--;
1009	#endif /* !EXTRACT */
1010	break;
1011	}
1012
1013	} /* aImportTab for-loop */
1014
1015	} /* Symbol for-loop */
1016
1017	} /* Segment for-loop */
1018
1019	/*
1020	* Close symbol file.
1021	*/
1022	fclose(hSym);
1023
1024	/*
1025	* If not all procedures were found fail.
1026	*/
1027	for (i = 0; i < NBR_OF_KRNLIMPORTS; i++)
1028	if (!aImportTab[i].fFound && !EPTNotReq(aImportTab[i]))
1029	return ERROR_PROB_SYM_IMPORTS_NOTFOUND;
1030
1031	/*
1032	* Verify function prologs and return.
1033	*/
1034	return VerifyPrologs();
1035	}
1036
1037
1038	/**
1039	* Get kernelinformation (OTEs (object table entries), build, type, debug...)
1040	* @returns 0 on success.
1041	* options.ulBuild, fchType, fDebug, cObjects and paKrnlOTEs is set on successful return.
1042	* Not 0 on error.
1043	*/
1044	int GetKernelInfo(void)
1045	{
1046	#if !defined(EXTRACT) /* This IOCtl is not available after inittime! */
1047	static KRNLINFO DATA16_INIT KrnlInfo = {0};
1048	APIRET rc;
1049	HFILE hDev0 = 0;
1050	USHORT usAction = 0;
1051
1052	/*
1053	* Issue an IOCtl to elf$ to query kernel information.
1054	*/
1055	rc = DosOpen("\\dev\\elf$", &hDev0, &usAction, 0UL, FILE_NORMAL,
1056	OPEN_ACTION_FAIL_IF_NEW \| OPEN_ACTION_OPEN_IF_EXISTS,
1057	OPEN_SHARE_DENYNONE \| OPEN_ACCESS_READONLY,
1058	0UL);
1059	if (rc == NO_ERROR)
1060	{
1061	rc = DosDevIOCtl(&KrnlInfo, "", D16_IOCTL_GETKRNLINFO, D16_IOCTL_CAT, hDev0);
1062	if (rc == NO_ERROR)
1063	{
1064	#ifdef DEBUG
1065	unsigned i;
1066	#endif
1067
1068	/*
1069	* Set the exported parameters
1070	*/
1071	options.ulBuild = KrnlInfo.ulBuild;
1072	options.fKernel = KrnlInfo.fKernel;
1073	cObjects = KrnlInfo.cObjects;
1074	paKrnlOTEs = &KrnlInfo.aObjects[0];
1075
1076	/*
1077	* If debugging probkrnl dump kernel OTEs.
1078	*/
1079	#ifdef DEBUG
1080	dprintf(("debug: kernel OTE:\n"));
1081	for (i = 0; i < cObjects; i++)
1082	dprintf(("debug: no.%2d base=%lx size=%lx sel=%x\n",
1083	i,
1084	paKrnlOTEs[i].ote_base,
1085	paKrnlOTEs[i].ote_size,
1086	paKrnlOTEs[i].ote_sel));
1087	#endif
1088	}
1089	DosClose(hDev0);
1090	}
1091
1092	if (rc != NO_ERROR)
1093	printf16("Failed to get kernel OTEs. rc=%d\n", rc);
1094
1095	return rc;
1096
1097	#else
1098	return 0;
1099	#endif
1100	}
1101
1102
1103	/**
1104	* Shows result of kernelprobing if not quiet or on error.
1105	* @param rc Return code.
1106	*/
1107	void ShowResult(int rc)
1108	{
1109	int i;
1110
1111	/*
1112	* Complain even if quiet on error
1113	*/
1114	if (!options.fQuiet \|\| rc != NO_ERROR)
1115	{
1116	printf16("Win32k - Odin32 support driver. (Built %s %s)\n",
1117	(NPSZ)szBuildTime, (NPSZ)szBuildDate);
1118
1119	/*
1120	* kernel stuff
1121	*/
1122	if (rc == NO_ERROR \|\| rc > ERROR_PROB_KRNL_LAST)
1123	printf16(" Build: %ld - v%d.%d\n",
1124	options.ulBuild, options.usVerMajor, options.usVerMinor);
1125	else if (rc >= ERROR_PROB_KRNL_FIRST)
1126	printf16(" Kernel probing failed with rc=%d.\n", rc);
1127	else
1128	printf16(" Failed before probing kernel.\n");
1129
1130	/*
1131	* symbol-file
1132	*/
1133	if (rc == NO_ERROR \|\| (rc > ERROR_PROB_SYM_LAST && szSymbolFile[0] != '\0'))
1134	printf16(" Found symbolfile: %s\n", (NPSZ)szSymbolFile);
1135	else if (rc >= ERROR_PROB_SYM_FIRST)
1136	printf16(" Failed to find symbolfile!\n");
1137	else
1138	printf16(" Failed before searching for symbolfile.\n");
1139
1140	/*
1141	* function listing
1142	*/
1143	if (options.fLogging)/* \|\| rc != NO_ERROR)*/
1144	{
1145	for (i = 0; i < NBR_OF_KRNLIMPORTS; i++)
1146	{
1147	printf16(" %-21s at ", aImportTab[i].achName);
1148	if (aImportTab[i].fFound)
1149	printf16("0x%08lx%s", aImportTab[i].ulAddress, (i % 2) == 0 ? "" : "\n");
1150	else
1151	printf16("not found!%s", (i % 2) == 0 ? "" : "\n");
1152	}
1153	if (i % 2) printf16("\n");
1154	}
1155
1156	/*
1157	* Display error code.
1158	*/
1159	if (rc != NO_ERROR)
1160	{
1161	const char *psz = GetErrorMsg(rc);
1162	printf16("ProbeKernel failed with rc=%d. iProc=%x\n", rc, iProc);
1163	if (psz) printf16("%s\n", psz);
1164	}
1165	}
1166	}
1167
1168
1169	/**
1170	* "main" function.
1171	* Note that the option -Noloader causes nothing to be done.
1172	* @returns 0 on success, something else on error.
1173	* @param pReqPack Pointer to init request packet
1174	* @remark
1175	*/
1176	int ProbeKernel(PRPINITIN pReqPack)
1177	{
1178	int rc;
1179	int i;
1180	int n;
1181	SEL selGIS;
1182	SEL selLIS;
1183	PGINFOSEG pGIS;
1184	PLINFOSEG pLIS;
1185	USHORT usBootDrive;
1186
1187	/----------------/
1188	/* parse InitArgs */
1189	/----------------/
1190	if (pReqPack != NULL && pReqPack->InitArgs != NULL)
1191	{
1192	n = kstrlen(pReqPack->InitArgs);
1193	for (i = 0; i < n; i++)
1194	{
1195	if ((pReqPack->InitArgs[i] == '/' \|\| pReqPack->InitArgs[i] == '-') && (i+1) < n)
1196	{
1197	i++;
1198	switch (pReqPack->InitArgs[i])
1199	{
1200	case 'n':
1201	case 'N': /* NoLoader */
1202	options.fNoLoader = TRUE;
1203	return 0;
1204
1205	case 'q':
1206	case 'Q': /* Quiet */
1207	options.fQuiet = TRUE;
1208	break;
1209
1210	case 's':
1211	case 'S': /* Symbol file */
1212	i++;
1213	if ( pReqPack->InitArgs[i] != 'c' && pReqPack->InitArgs[i] != 'C'
1214	&& pReqPack->InitArgs[i] != 'm' && pReqPack->InitArgs[i] != 'M'
1215	) /* -script and -smp is ignored */
1216	i += kargncpy(szSymbolFile, &pReqPack->InitArgs[i], sizeof(szSymbolFile));
1217	break;
1218
1219	case 'v':
1220	case 'V': /* Verbose */
1221	options.fQuiet = FALSE;
1222	break;
1223	}
1224	}
1225	}
1226	}
1227
1228	/---------------------/
1229	/* determin boot drive */
1230	/---------------------/
1231	rc = DosGetInfoSeg(&selGIS, &selLIS);
1232	if (rc != NO_ERROR)
1233	return rc;
1234
1235	pLIS = MAKEPLINFOSEG(selLIS);
1236	pGIS = MAKEPGINFOSEG(selGIS);
1237	usBootDrive = pGIS->bootdrive;
1238	#ifndef R3TST
1239	options.usVerMajor = pGIS->uchMajorVersion;
1240	options.usVerMinor = pGIS->uchMinorVersion;
1241	#else
1242	if (usFakeVerMajor == 0)
1243	{
1244	usFakeVerMajor = pGIS->uchMajorVersion;
1245	usFakeVerMinor = pGIS->uchMinorVersion;
1246	}
1247	options.usVerMajor = usFakeVerMajor;
1248	options.usVerMinor = usFakeVerMinor;
1249	#endif
1250	dprintf(("BootDrive: %d\n", usBootDrive));
1251
1252	/* set driveletter in constants strings */
1253	usBootDrive = (char)usBootDrive + (char)'a' - 1;
1254	for (i = 0; apszSym[i] != NULL; i++)
1255	apszSym[i][0] = (char)usBootDrive;
1256
1257	/-----------------/
1258	/* get kernel info */
1259	/-----------------/
1260	rc = GetKernelInfo();
1261
1262	/--------------/
1263	/* read symfile */
1264	/--------------/
1265	if (!rc)
1266	{
1267	rc = 1;
1268	if (szSymbolFile[0] != '\0')
1269	{
1270	rc = ProbeSymFile(szSymbolFile);
1271	if (rc)
1272	{
1273	printf16("Warning: Invalid symbol file specified. rc=%x iProc=%d\n"
1274	" Tries defaults.\n", rc, iProc);
1275	szSymbolFile[0] = '\0';
1276	DosSleep(3000);
1277	}
1278	}
1279	if (rc != NO_ERROR) /* if user sym failed or don't exists. */
1280	{
1281	/*
1282	* Check database - only if not a debug kernel!
1283	* You usually have a .sym-file when using a debug kernel.
1284	* (This is because I am unable to distinguish between half and
1285	* all strict kernels...)
1286	*/
1287	if ((options.fKernel & KF_DEBUG) \|\|
1288	(rc = LookupKrnlEntry((unsigned short)options.ulBuild,
1289	(unsigned short)options.fKernel,
1290	cObjects)
1291	) != NO_ERROR
1292	)
1293	{
1294	#if 1 /* ndef R3TST */
1295	APIRET rc2;
1296	/* search on disk */
1297	i = 0;
1298	while (apszSym[i] != NULL
1299	&& (rc2 = ProbeSymFile(apszSym[i])) != NO_ERROR
1300	)
1301	{
1302	i++;
1303	if (rc2 >= ERROR_PROB_SYM_D32_FIRST)
1304	rc = rc2;
1305	}
1306	if (rc2 == NO_ERROR)
1307	{
1308	kstrcpy(szSymbolFile, apszSym[i]);
1309	rc = NO_ERROR;
1310	}
1311	#endif
1312	}
1313	}
1314	}
1315
1316	/* Show the result and set return-value */
1317	dprintf(("rc=%d(0x%x); i=%d; iProc=%d\n", rc, rc, i, iProc));
1318	ShowResult(rc);
1319
1320	return rc;
1321	}
1322

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