VBoxTpG.cpp@ 40878

Last change on this file since 40878 was 40878, checked in by vboxsync, 13 years ago
Working on the 64-bit probe argument issue for 32-bit hosts...
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 82.6 KB

Line
1	/* $Id: VBoxTpG.cpp 40878 2012-04-11 20:44:41Z vboxsync $ */
2	/** @file
3	* VBox Build Tool - VBox Tracepoint Generator.
4	*/
5
6	/*
7	* Copyright (C) 2012 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	#include <VBox/VBoxTpG.h>
23
24	#include <iprt/alloca.h>
25	#include <iprt/assert.h>
26	#include <iprt/ctype.h>
27	#include <iprt/env.h>
28	#include <iprt/err.h>
29	#include <iprt/file.h>
30	#include <iprt/getopt.h>
31	#include <iprt/initterm.h>
32	#include <iprt/list.h>
33	#include <iprt/mem.h>
34	#include <iprt/message.h>
35	#include <iprt/path.h>
36	#include <iprt/process.h>
37	#include <iprt/stream.h>
38	#include <iprt/string.h>
39
40	#include "scmstream.h"
41
42
43	/*******************************************************************************
44	* Structures and Typedefs *
45	*******************************************************************************/
46
47	typedef struct VTGATTRS
48	{
49	kVTGStability enmCode;
50	kVTGStability enmData;
51	kVTGClass enmDataDep;
52	} VTGATTRS;
53	typedef VTGATTRS *PVTGATTRS;
54
55
56	typedef struct VTGARG
57	{
58	RTLISTNODE ListEntry;
59	char *pszName;
60	const char *pszType;
61	uint32_t fType;
62	} VTGARG;
63	typedef VTGARG *PVTGARG;
64
65	typedef struct VTGPROBE
66	{
67	RTLISTNODE ListEntry;
68	char *pszMangledName;
69	const char *pszUnmangledName;
70	RTLISTANCHOR ArgHead;
71	uint32_t cArgs;
72	bool fHaveLargeArgs;
73	uint32_t offArgList;
74	uint32_t iProbe;
75	} VTGPROBE;
76	typedef VTGPROBE *PVTGPROBE;
77
78	typedef struct VTGPROVIDER
79	{
80	RTLISTNODE ListEntry;
81	const char *pszName;
82
83	uint16_t iFirstProbe;
84	uint16_t cProbes;
85
86	VTGATTRS AttrSelf;
87	VTGATTRS AttrModules;
88	VTGATTRS AttrFunctions;
89	VTGATTRS AttrName;
90	VTGATTRS AttrArguments;
91
92	RTLISTANCHOR ProbeHead;
93	} VTGPROVIDER;
94	typedef VTGPROVIDER *PVTGPROVIDER;
95
96	/**
97	* A string table string.
98	*/
99	typedef struct VTGSTRING
100	{
101	/** The string space core. */
102	RTSTRSPACECORE Core;
103	/** The string table offset. */
104	uint32_t offStrTab;
105	/** The actual string. */
106	char szString[1];
107	} VTGSTRING;
108	typedef VTGSTRING *PVTGSTRING;
109
110
111	/*******************************************************************************
112	* Global Variables *
113	*******************************************************************************/
114	/** The string space organizing the string table strings. Each node is a VTGSTRING. */
115	static RTSTRSPACE g_StrSpace = NULL;
116	/** Used by the string table enumerator to set VTGSTRING::offStrTab. */
117	static uint32_t g_offStrTab;
118	/** List of providers created by the parser. */
119	static RTLISTANCHOR g_ProviderHead;
120
121	/** The number of type errors. */
122	static uint32_t g_cTypeErrors = 0;
123
124	/** @name Options
125	* @{ */
126	static enum
127	{
128	kVBoxTpGAction_Nothing,
129	kVBoxTpGAction_GenerateHeader,
130	kVBoxTpGAction_GenerateObject
131	} g_enmAction = kVBoxTpGAction_Nothing;
132	static uint32_t g_cBits = ARCH_BITS;
133	static bool g_fApplyCpp = false;
134	static uint32_t g_cVerbosity = 0;
135	static const char *g_pszOutput = NULL;
136	static const char *g_pszScript = NULL;
137	static const char *g_pszTempAsm = NULL;
138	#ifdef RT_OS_DARWIN
139	static const char *g_pszAssembler = "yasm";
140	static const char *g_pszAssemblerFmtOpt = "-f";
141	static const char g_szAssemblerFmtVal32[] = "macho32";
142	static const char g_szAssemblerFmtVal64[] = "macho64";
143	static const char g_szAssemblerOsDef[] = "RT_OS_DARWIN";
144	#elif defined(RT_OS_OS2)
145	static const char *pszAssembler = "nasm.exe";
146	static const char *pszAssemblerFmtOpt = "-f";
147	static const char g_szAssemblerFmtVal32[] = "obj";
148	static const char g_szAssemblerFmtVal64[] = "elf64";
149	static const char g_szAssemblerOsDef[] = "RT_OS_OS2";
150	#elif defined(RT_OS_WINDOWS)
151	static const char *g_pszAssembler = "yasm.exe";
152	static const char *g_pszAssemblerFmtOpt = "-f";
153	static const char g_szAssemblerFmtVal32[] = "win32";
154	static const char g_szAssemblerFmtVal64[] = "win64";
155	static const char g_szAssemblerOsDef[] = "RT_OS_WINDOWS";
156	#else
157	static const char *g_pszAssembler = "yasm";
158	static const char *g_pszAssemblerFmtOpt = "-f";
159	static const char g_szAssemblerFmtVal32[] = "elf32";
160	static const char g_szAssemblerFmtVal64[] = "elf64";
161	# ifdef RT_OS_FREEBSD
162	static const char g_szAssemblerOsDef[] = "RT_OS_FREEBSD";
163	# elif defined(RT_OS_NETBSD)
164	static const char g_szAssemblerOsDef[] = "RT_OS_NETBSD";
165	# elif defined(RT_OS_OPENBSD)
166	static const char g_szAssemblerOsDef[] = "RT_OS_OPENBSD";
167	# elif defined(RT_OS_LINUX)
168	static const char g_szAssemblerOsDef[] = "RT_OS_LINUX";
169	# elif defined(RT_OS_SOLARIS)
170	static const char g_szAssemblerOsDef[] = "RT_OS_SOLARIS";
171	# else
172	# error "Port me!"
173	# endif
174	#endif
175	static const char *g_pszAssemblerFmtVal = RT_CONCAT(g_szAssemblerFmtVal, ARCH_BITS);
176	static const char *g_pszAssemblerDefOpt = "-D";
177	static const char *g_pszAssemblerIncOpt = "-I";
178	static char g_szAssemblerIncVal[RTPATH_MAX];
179	static const char *g_pszAssemblerIncVal = __FILE__ "/../../../include/";
180	static const char *g_pszAssemblerOutputOpt = "-o";
181	static unsigned g_cAssemblerOptions = 0;
182	static const char *g_apszAssemblerOptions[32];
183	static const char *g_pszProbeFnName = "SUPR0TracerFireProbe";
184	static bool g_fProbeFnImported = true;
185	/** @} */
186
187
188
189
190	/**
191	* Inserts a string into the string table, reusing any matching existing string
192	* if possible.
193	*
194	* @returns Read only string.
195	* @param pch The string to insert (need not be terminated).
196	* @param cch The length of the string.
197	*/
198	static const char strtabInsertN(const char pch, size_t cch)
199	{
200	PVTGSTRING pStr = (PVTGSTRING)RTStrSpaceGetN(&g_StrSpace, pch, cch);
201	if (pStr)
202	return pStr->szString;
203
204	/*
205	* Create a new entry.
206	*/
207	pStr = (PVTGSTRING)RTMemAlloc(RT_OFFSETOF(VTGSTRING, szString[cch + 1]));
208	if (!pStr)
209	return NULL;
210
211	pStr->Core.pszString = pStr->szString;
212	memcpy(pStr->szString, pch, cch);
213	pStr->szString[cch] = '\0';
214	pStr->offStrTab = UINT32_MAX;
215
216	bool fRc = RTStrSpaceInsert(&g_StrSpace, &pStr->Core);
217	Assert(fRc); NOREF(fRc);
218	return pStr->szString;
219	}
220
221
222	/**
223	* Retrieves the string table offset of the given string table string.
224	*
225	* @returns String table offset.
226	* @param pszStrTabString The string table string.
227	*/
228	static uint32_t strtabGetOff(const char *pszStrTabString)
229	{
230	PVTGSTRING pStr = RT_FROM_MEMBER(pszStrTabString, VTGSTRING, szString[0]);
231	Assert(pStr->Core.pszString == pszStrTabString);
232	return pStr->offStrTab;
233	}
234
235
236	/**
237	* Invokes the assembler.
238	*
239	* @returns Exit code.
240	* @param pszOutput The output file.
241	* @param pszTempAsm The source file.
242	*/
243	static RTEXITCODE generateInvokeAssembler(const char pszOutput, const char pszTempAsm)
244	{
245	const char *apszArgs[64];
246	unsigned iArg = 0;
247
248	apszArgs[iArg++] = g_pszAssembler;
249	apszArgs[iArg++] = g_pszAssemblerFmtOpt;
250	apszArgs[iArg++] = g_pszAssemblerFmtVal;
251	apszArgs[iArg++] = g_pszAssemblerDefOpt;
252	if (!strcmp(g_pszAssemblerFmtVal, "macho32") \|\| !strcmp(g_pszAssemblerFmtVal, "macho64"))
253	apszArgs[iArg++] = "ASM_FORMAT_MACHO";
254	else if (!strcmp(g_pszAssemblerFmtVal, "obj") \|\| !strcmp(g_pszAssemblerFmtVal, "omf"))
255	apszArgs[iArg++] = "ASM_FORMAT_OMF";
256	else if ( !strcmp(g_pszAssemblerFmtVal, "win32")
257	\|\| !strcmp(g_pszAssemblerFmtVal, "win64")
258	\|\| !strcmp(g_pszAssemblerFmtVal, "pe32")
259	\|\| !strcmp(g_pszAssemblerFmtVal, "pe64")
260	\|\| !strcmp(g_pszAssemblerFmtVal, "pe") )
261	apszArgs[iArg++] = "ASM_FORMAT_PE";
262	else if ( !strcmp(g_pszAssemblerFmtVal, "elf32")
263	\|\| !strcmp(g_pszAssemblerFmtVal, "elf64")
264	\|\| !strcmp(g_pszAssemblerFmtVal, "elf"))
265	apszArgs[iArg++] = "ASM_FORMAT_ELF";
266	else
267	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Unknown assembler format '%s'", g_pszAssemblerFmtVal);
268	apszArgs[iArg++] = g_pszAssemblerDefOpt;
269	if (g_cBits == 32)
270	apszArgs[iArg++] = "ARCH_BITS=32";
271	else
272	apszArgs[iArg++] = "ARCH_BITS=64";
273	apszArgs[iArg++] = g_pszAssemblerDefOpt;
274	if (g_cBits == 32)
275	apszArgs[iArg++] = "RT_ARCH_X86";
276	else
277	apszArgs[iArg++] = "RT_ARCH_AMD64";
278	if (g_szAssemblerOsDef[0])
279	{
280	apszArgs[iArg++] = g_pszAssemblerDefOpt;
281	apszArgs[iArg++] = g_szAssemblerOsDef;
282	}
283	apszArgs[iArg++] = g_pszAssemblerIncOpt;
284	apszArgs[iArg++] = g_pszAssemblerIncVal;
285	apszArgs[iArg++] = g_pszAssemblerOutputOpt;
286	apszArgs[iArg++] = pszOutput;
287	for (unsigned i = 0; i < g_cAssemblerOptions; i++)
288	apszArgs[iArg++] = g_apszAssemblerOptions[i];
289	apszArgs[iArg++] = pszTempAsm;
290	apszArgs[iArg] = NULL;
291
292	if (g_cVerbosity > 1)
293	{
294	RTMsgInfo("Starting assmbler '%s' with arguments:\n", g_pszAssembler);
295	for (unsigned i = 0; i < iArg; i++)
296	RTMsgInfo(" #%02u: '%s'\n", i, apszArgs[i]);
297	}
298
299	RTPROCESS hProc;
300	int rc = RTProcCreate(apszArgs[0], apszArgs, RTENV_DEFAULT, RTPROC_FLAGS_SEARCH_PATH, &hProc);
301	if (RT_FAILURE(rc))
302	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to start '%s' (assembler): %Rrc", apszArgs[0], rc);
303
304	RTPROCSTATUS Status;
305	rc = RTProcWait(hProc, RTPROCWAIT_FLAGS_BLOCK, &Status);
306	if (RT_FAILURE(rc))
307	{
308	RTProcTerminate(hProc);
309	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTProcWait failed: %Rrc", rc);
310	}
311	if (Status.enmReason == RTPROCEXITREASON_SIGNAL)
312	return RTMsgErrorExit(RTEXITCODE_FAILURE, "The assembler failed: signal %d", Status.iStatus);
313	if (Status.enmReason != RTPROCEXITREASON_NORMAL)
314	return RTMsgErrorExit(RTEXITCODE_FAILURE, "The assembler failed: abend");
315	if (Status.iStatus != 0)
316	return RTMsgErrorExit((RTEXITCODE)Status.iStatus, "The assembler failed: exit code %d", Status.iStatus);
317
318	return RTEXITCODE_SUCCESS;
319	}
320
321
322	/**
323	* Worker that does the boring bits when generating a file.
324	*
325	* @returns Exit code.
326	* @param pszOutput The name of the output file.
327	* @param pszWhat What kind of file it is.
328	* @param pfnGenerator The callback function that provides the contents
329	* of the file.
330	*/
331	static RTEXITCODE generateFile(const char pszOutput, const char pszWhat,
332	RTEXITCODE (*pfnGenerator)(PSCMSTREAM))
333	{
334	SCMSTREAM Strm;
335	int rc = ScmStreamInitForWriting(&Strm, NULL);
336	if (RT_FAILURE(rc))
337	return RTMsgErrorExit(RTEXITCODE_FAILURE, "ScmStreamInitForWriting returned %Rrc when generating the %s file",
338	rc, pszWhat);
339
340	RTEXITCODE rcExit = pfnGenerator(&Strm);
341	if (RT_FAILURE(ScmStreamGetStatus(&Strm)))
342	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Stream error %Rrc generating the %s file",
343	ScmStreamGetStatus(&Strm), pszWhat);
344	if (rcExit == RTEXITCODE_SUCCESS)
345	{
346	rc = ScmStreamWriteToFile(&Strm, "%s", pszOutput);
347	if (RT_FAILURE(rc))
348	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "ScmStreamWriteToFile returned %Rrc when writing '%s' (%s)",
349	rc, pszOutput, pszWhat);
350	if (rcExit == RTEXITCODE_SUCCESS)
351	{
352	if (g_cVerbosity > 0)
353	RTMsgInfo("Successfully generated '%s'.", pszOutput);
354	if (g_cVerbosity > 1)
355	{
356	RTMsgInfo("================ %s - start ================", pszWhat);
357	ScmStreamRewindForReading(&Strm);
358	const char *pszLine;
359	size_t cchLine;
360	SCMEOL enmEol;
361	while ((pszLine = ScmStreamGetLine(&Strm, &cchLine, &enmEol)) != NULL)
362	RTPrintf("%.*s\n", cchLine, pszLine);
363	RTMsgInfo("================ %s - end ================", pszWhat);
364	}
365	}
366	}
367	ScmStreamDelete(&Strm);
368	return rcExit;
369	}
370
371
372	/**
373	* Formats a string and writes it to the SCM stream.
374	*
375	* @returns The number of bytes written (>= 0). Negative value are IPRT error
376	* status codes.
377	* @param pStream The stream to write to.
378	* @param pszFormat The format string.
379	* @param va The arguments to format.
380	*/
381	static ssize_t ScmStreamPrintfV(PSCMSTREAM pStream, const char *pszFormat, va_list va)
382	{
383	char *psz;
384	ssize_t cch = RTStrAPrintfV(&psz, pszFormat, va);
385	if (cch)
386	{
387	int rc = ScmStreamWrite(pStream, psz, cch);
388	RTStrFree(psz);
389	if (RT_FAILURE(rc))
390	cch = rc;
391	}
392	return cch;
393	}
394
395
396	/**
397	* Formats a string and writes it to the SCM stream.
398	*
399	* @returns The number of bytes written (>= 0). Negative value are IPRT error
400	* status codes.
401	* @param pStream The stream to write to.
402	* @param pszFormat The format string.
403	* @param ... The arguments to format.
404	*/
405	static ssize_t ScmStreamPrintf(PSCMSTREAM pStream, const char *pszFormat, ...)
406	{
407	va_list va;
408	va_start(va, pszFormat);
409	ssize_t cch = ScmStreamPrintfV(pStream, pszFormat, va);
410	va_end(va);
411	return cch;
412	}
413
414
415	/**
416	* @callback_method_impl{FNRTSTRSPACECALLBACK, Writes the string table strings.}
417	*/
418	static DECLCALLBACK(int) generateAssemblyStrTabCallback(PRTSTRSPACECORE pStr, void *pvUser)
419	{
420	PVTGSTRING pVtgStr = (PVTGSTRING)pStr;
421	PSCMSTREAM pStrm = (PSCMSTREAM)pvUser;
422
423	pVtgStr->offStrTab = g_offStrTab;
424	g_offStrTab += (uint32_t)pVtgStr->Core.cchString + 1;
425
426	ScmStreamPrintf(pStrm,
427	" db '%s', 0 ; off=%u len=%zu\n",
428	pVtgStr->szString, pVtgStr->offStrTab, pVtgStr->Core.cchString);
429	return VINF_SUCCESS;
430	}
431
432
433	/**
434	* Generate assembly source that can be turned into an object file.
435	*
436	* (This is a generateFile callback.)
437	*
438	* @returns Exit code.
439	* @param pStrm The output stream.
440	*/
441	static RTEXITCODE generateAssembly(PSCMSTREAM pStrm)
442	{
443	PVTGPROVIDER pProvider;
444	PVTGPROBE pProbe;
445	PVTGARG pArg;
446
447
448	if (g_cVerbosity > 0)
449	RTMsgInfo("Generating assembly code...");
450
451	/*
452	* Write the file header.
453	*/
454	ScmStreamPrintf(pStrm,
455	"; $Id: VBoxTpG.cpp 40878 2012-04-11 20:44:41Z vboxsync $ \n"
456	";; @file\n"
457	"; Automatically generated from %s. Do NOT edit!\n"
458	";\n"
459	"\n"
460	"%%include \"iprt/asmdefs.mac\"\n"
461	"\n"
462	"\n"
463	";"
464	"; We put all the data in a dedicated section / segment.\n"
465	";\n"
466	"; In order to find the probe location specifiers, we do the necessary\n"
467	"; trickery here, ASSUMING that this object comes in first in the link\n"
468	"; editing process.\n"
469	";\n"
470	"%%ifdef ASM_FORMAT_OMF\n"
471	" %%macro VTG_GLOBAL 2\n"
472	" global NAME(%%1)\n"
473	" NAME(%%1):\n"
474	" %%endmacro\n"
475	" segment VTG.Obj public CLASS=DATA align=4096 use32\n"
476	"\n"
477	"%%elifdef ASM_FORMAT_MACHO\n"
478	" %%macro VTG_GLOBAL 2\n"
479	" global NAME(%%1)\n"
480	" NAME(%%1):\n"
481	" %%endmacro\n"
482	" [section __VTG __VTGObj align=64]\n"
483	"\n"
484	"%%elifdef ASM_FORMAT_PE\n"
485	" %%macro VTG_GLOBAL 2\n"
486	" global NAME(%%1)\n"
487	" NAME(%%1):\n"
488	" %%endmacro\n"
489	" [section VTGPrLc.Begin data align=64]\n"
490	/" times 16 db 0xcc\n"/
491	"VTG_GLOBAL g_aVTGPrLc, data\n"
492	" [section VTGPrLc.Data data align=4]\n"
493	" [section VTGPrLc.End data align=4]\n"
494	"VTG_GLOBAL g_aVTGPrLc_End, data\n"
495	/" times 16 db 0xcc\n"/
496	" [section VTGObj data align=32]\n"
497	"\n"
498	"%%elifdef ASM_FORMAT_ELF\n"
499	" %%macro VTG_GLOBAL 2\n"
500	" global NAME(%%1):%%2 hidden\n"
501	" NAME(%%1):\n"
502	" %%endmacro\n"
503	" [section .VTGPrLc.Begin progbits alloc noexec write align=4096]\n"
504	"VTG_GLOBAL g_aVTGPrLc, data\n"
505	" [section .VTGPrLc progbits alloc noexec write align=1]\n"
506	" [section .VTGPrLc.End progbits alloc noexec write align=1]\n"
507	"VTG_GLOBAL g_aVTGPrLc_End, data\n"
508	" [section .VTGData progbits alloc noexec write align=4096]\n"
509	"\n"
510	"%%else\n"
511	" %%error \"ASM_FORMAT_XXX is not defined\"\n"
512	"%%endif\n"
513	"\n"
514	"\n"
515	"VTG_GLOBAL g_VTGObjHeader, data\n"
516	" ;0 1 2 3\n"
517	" ;012345678901234567890123456789012\n"
518	" db 'VTG Object Header v1.3', 0, 0\n"
519	" dd %u\n"
520	" dd 0\n"
521	" RTCCPTR_DEF NAME(g_aVTGProviders)\n"
522	" RTCCPTR_DEF NAME(g_aVTGProviders_End) - NAME(g_aVTGProviders)\n"
523	" RTCCPTR_DEF NAME(g_aVTGProbes)\n"
524	" RTCCPTR_DEF NAME(g_aVTGProbes_End) - NAME(g_aVTGProbes)\n"
525	" RTCCPTR_DEF NAME(g_afVTGProbeEnabled)\n"
526	" RTCCPTR_DEF NAME(g_afVTGProbeEnabled_End) - NAME(g_afVTGProbeEnabled)\n"
527	" RTCCPTR_DEF NAME(g_achVTGStringTable)\n"
528	" RTCCPTR_DEF NAME(g_achVTGStringTable_End) - NAME(g_achVTGStringTable)\n"
529	" RTCCPTR_DEF NAME(g_aVTGArgLists)\n"
530	" RTCCPTR_DEF NAME(g_aVTGArgLists_End) - NAME(g_aVTGArgLists)\n"
531	"%%ifdef ASM_FORMAT_MACHO ; Apple has a real decent linker!\n"
532	"extern section$start$__VTG$__VTGPrLc\n"
533	" RTCCPTR_DEF section$start$__VTG$__VTGPrLc\n"
534	"extern section$end$__VTG$__VTGPrLc\n"
535	" RTCCPTR_DEF section$end$__VTG$__VTGPrLc\n"
536	"%%else\n"
537	" RTCCPTR_DEF NAME(g_aVTGPrLc)\n"
538	" RTCCPTR_DEF NAME(g_aVTGPrLc_End) ; cross section/segment size not possible\n"
539	"%%endif\n"
540	" RTCCPTR_DEF 0\n"
541	" RTCCPTR_DEF 0\n"
542	" RTCCPTR_DEF 0\n"
543	" RTCCPTR_DEF 0\n"
544	,
545	g_pszScript, g_cBits);
546
547	/*
548	* Declare the probe enable flags.
549	*/
550	ScmStreamPrintf(pStrm,
551	";\n"
552	"; Probe enabled flags. Since these will be accessed all the time\n"
553	"; they are placed together and early in the section to get some more\n"
554	"; cache and TLB hits when the probes are disabled.\n"
555	";\n"
556	"VTG_GLOBAL g_afVTGProbeEnabled, data\n"
557	);
558	uint32_t cProbes = 0;
559	RTListForEach(&g_ProviderHead, pProvider, VTGPROVIDER, ListEntry)
560	{
561	RTListForEach(&pProvider->ProbeHead, pProbe, VTGPROBE, ListEntry)
562	{
563	ScmStreamPrintf(pStrm,
564	"VTG_GLOBAL g_fVTGProbeEnabled_%s_%s, data\n"
565	" db 0\n",
566	pProvider->pszName, pProbe->pszMangledName);
567	cProbes++;
568	}
569	}
570	ScmStreamPrintf(pStrm, "VTG_GLOBAL g_afVTGProbeEnabled_End, data\n");
571	if (cProbes >= _32K)
572	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Too many probes: %u (max %u)", cProbes, _32K - 1);
573
574	/*
575	* Dump the string table before we start using the strings.
576	*/
577	ScmStreamPrintf(pStrm,
578	"\n"
579	";\n"
580	"; The string table.\n"
581	";\n"
582	"VTG_GLOBAL g_achVTGStringTable, data\n");
583	g_offStrTab = 0;
584	RTStrSpaceEnumerate(&g_StrSpace, generateAssemblyStrTabCallback, pStrm);
585	ScmStreamPrintf(pStrm,
586	"VTG_GLOBAL g_achVTGStringTable_End, data\n");
587
588	/*
589	* Write out the argument lists before we use them.
590	*/
591	ScmStreamPrintf(pStrm,
592	"\n"
593	";\n"
594	"; The argument lists.\n"
595	";\n"
596	"VTG_GLOBAL g_aVTGArgLists, data\n");
597	uint32_t off = 0;
598	RTListForEach(&g_ProviderHead, pProvider, VTGPROVIDER, ListEntry)
599	{
600	RTListForEach(&pProvider->ProbeHead, pProbe, VTGPROBE, ListEntry)
601	{
602	if (pProbe->offArgList != UINT32_MAX)
603	continue;
604
605	/* Write it. */
606	pProbe->offArgList = off;
607	ScmStreamPrintf(pStrm,
608	" ; off=%u\n"
609	" db %2u ; Argument count\n"
610	" db 0, 0, 0 ; Reserved\n"
611	, off, pProbe->cArgs);
612	off += 4;
613	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
614	{
615	ScmStreamPrintf(pStrm,
616	" dd %6u ; type '%s' (name '%s')\n"
617	" dd 0%08xh ; type flags\n",
618	strtabGetOff(pArg->pszType), pArg->pszType, pArg->pszName,
619	pArg->fType);
620	off += 8;
621	}
622
623	/* Look for matching argument lists (lazy bird walks the whole list). */
624	PVTGPROVIDER pProv2;
625	RTListForEach(&g_ProviderHead, pProv2, VTGPROVIDER, ListEntry)
626	{
627	PVTGPROBE pProbe2;
628	RTListForEach(&pProvider->ProbeHead, pProbe2, VTGPROBE, ListEntry)
629	{
630	if (pProbe2->offArgList != UINT32_MAX)
631	continue;
632	if (pProbe2->cArgs != pProbe->cArgs)
633	continue;
634
635	PVTGARG pArg2;
636	pArg = RTListNodeGetNext(&pProbe->ArgHead, VTGARG, ListEntry);
637	pArg2 = RTListNodeGetNext(&pProbe2->ArgHead, VTGARG, ListEntry);
638	int32_t cArgs = pProbe->cArgs;
639	while ( cArgs-- > 0
640	&& pArg2->pszType == pArg2->pszType
641	&& pArg2->fType == pArg2->fType )
642	{
643	pArg = RTListNodeGetNext(&pArg->ListEntry, VTGARG, ListEntry);
644	pArg2 = RTListNodeGetNext(&pArg2->ListEntry, VTGARG, ListEntry);
645	}
646	if (cArgs >= 0)
647	continue;
648	pProbe2->offArgList = pProbe->offArgList;
649	}
650	}
651	}
652	}
653	ScmStreamPrintf(pStrm,
654	"VTG_GLOBAL g_aVTGArgLists_End, data\n");
655
656
657	/*
658	* Probe definitions.
659	*/
660	ScmStreamPrintf(pStrm,
661	"\n"
662	";\n"
663	"; Prob definitions.\n"
664	";\n"
665	"VTG_GLOBAL g_aVTGProbes, data\n"
666	"\n");
667	uint32_t iProvider = 0;
668	uint32_t iProbe = 0;
669	RTListForEach(&g_ProviderHead, pProvider, VTGPROVIDER, ListEntry)
670	{
671	pProvider->iFirstProbe = iProbe;
672	RTListForEach(&pProvider->ProbeHead, pProbe, VTGPROBE, ListEntry)
673	{
674	ScmStreamPrintf(pStrm,
675	"VTG_GLOBAL g_VTGProbeData_%s_%s, data ; idx=#%4u\n"
676	" dd %6u ; name\n"
677	" dd %6u ; Argument list offset\n"
678	" dw NAME(g_fVTGProbeEnabled_%s_%s) - NAME(g_afVTGProbeEnabled)\n"
679	" dw %6u ; provider index\n"
680	" dd 0 ; for the application\n"
681	,
682	pProvider->pszName, pProbe->pszMangledName, iProbe,
683	strtabGetOff(pProbe->pszUnmangledName),
684	pProbe->offArgList,
685	pProvider->pszName, pProbe->pszMangledName,
686	iProvider);
687	pProbe->iProbe = iProbe;
688	iProbe++;
689	}
690	pProvider->cProbes = iProbe - pProvider->iFirstProbe;
691	iProvider++;
692	}
693	ScmStreamPrintf(pStrm, "VTG_GLOBAL g_aVTGProbes_End, data\n");
694
695	/*
696	* The providers data.
697	*/
698	ScmStreamPrintf(pStrm,
699	"\n"
700	";\n"
701	"; Provider data.\n"
702	";\n"
703	"VTG_GLOBAL g_aVTGProviders, data\n");
704	iProvider = 0;
705	RTListForEach(&g_ProviderHead, pProvider, VTGPROVIDER, ListEntry)
706	{
707	ScmStreamPrintf(pStrm,
708	" ; idx=#%4u - %s\n"
709	" dd %6u ; name\n"
710	" dw %6u ; index of first probe\n"
711	" dw %6u ; count of probes\n"
712	" db %d, %d, %d ; AttrSelf\n"
713	" db %d, %d, %d ; AttrModules\n"
714	" db %d, %d, %d ; AttrFunctions\n"
715	" db %d, %d, %d ; AttrName\n"
716	" db %d, %d, %d ; AttrArguments\n"
717	" db 0 ; reserved\n"
718	,
719	iProvider, pProvider->pszName,
720	strtabGetOff(pProvider->pszName),
721	pProvider->iFirstProbe,
722	pProvider->cProbes,
723	pProvider->AttrSelf.enmCode, pProvider->AttrSelf.enmData, pProvider->AttrSelf.enmDataDep,
724	pProvider->AttrModules.enmCode, pProvider->AttrModules.enmData, pProvider->AttrModules.enmDataDep,
725	pProvider->AttrFunctions.enmCode, pProvider->AttrFunctions.enmData, pProvider->AttrFunctions.enmDataDep,
726	pProvider->AttrName.enmCode, pProvider->AttrName.enmData, pProvider->AttrName.enmDataDep,
727	pProvider->AttrArguments.enmCode, pProvider->AttrArguments.enmData, pProvider->AttrArguments.enmDataDep);
728	iProvider++;
729	}
730	ScmStreamPrintf(pStrm, "VTG_GLOBAL g_aVTGProviders_End, data\n");
731
732	/*
733	* Emit code for the stub functions.
734	*/
735	bool const fWin64 = g_cBits == 64 && (!strcmp(g_pszAssemblerFmtVal, "win64") \|\| !strcmp(g_pszAssemblerFmtVal, "pe64"));
736	bool const fMachO64 = g_cBits == 64 && !strcmp(g_pszAssemblerFmtVal, "macho64");
737	bool const fMachO32 = g_cBits == 32 && !strcmp(g_pszAssemblerFmtVal, "macho32");
738	ScmStreamPrintf(pStrm,
739	"\n"
740	";\n"
741	"; Prob stubs.\n"
742	";\n"
743	"BEGINCODE\n"
744	"extern %sNAME(%s)\n",
745	g_fProbeFnImported ? "IMP" : "",
746	g_pszProbeFnName);
747	if (fMachO64 && g_fProbeFnImported)
748	ScmStreamPrintf(pStrm,
749	"g_pfnVtgProbeFn:\n"
750	" dq NAME(%s)\n",
751	g_pszProbeFnName);
752
753	RTListForEach(&g_ProviderHead, pProvider, VTGPROVIDER, ListEntry)
754	{
755	RTListForEach(&pProvider->ProbeHead, pProbe, VTGPROBE, ListEntry)
756	{
757	ScmStreamPrintf(pStrm,
758	"\n"
759	"VTG_GLOBAL VTGProbeStub_%s_%s, function; (VBOXTPGPROBELOC pVTGProbeLoc",
760	pProvider->pszName, pProbe->pszMangledName);
761	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
762	{
763	ScmStreamPrintf(pStrm, ", %s %s", pArg->pszType, pArg->pszName);
764	}
765	ScmStreamPrintf(pStrm,
766	");\n");
767
768	/*
769	* Check if the probe in question is enabled.
770	*/
771	if (g_cBits == 32)
772	ScmStreamPrintf(pStrm,
773	" mov eax, [esp + 4]\n"
774	" test byte [eax+3], 0x80 ; fEnabled == true?\n"
775	" jz .return ; jump on false\n");
776	else if (fWin64)
777	ScmStreamPrintf(pStrm,
778	" test byte [rcx+3], 0x80 ; fEnabled == true?\n"
779	" jz .return ; jump on false\n");
780	else
781	ScmStreamPrintf(pStrm,
782	" test byte [rdi+3], 0x80 ; fEnabled == true?\n"
783	" jz .return ; jump on false\n");
784
785	/*
786	* Jump to the fire-probe function.
787	*/
788	if (g_cBits == 32)
789	ScmStreamPrintf(pStrm, g_fProbeFnImported ?
790	" mov ecx, IMP2(%s)\n"
791	" jmp ecx\n"
792	:
793	" jmp NAME(%s)\n"
794	, g_pszProbeFnName);
795	else if (fWin64)
796	ScmStreamPrintf(pStrm, g_fProbeFnImported ?
797	" mov rax, IMP2(%s)\n"
798	" jmp rax\n"
799	:
800	" jmp NAME(%s)\n"
801	, g_pszProbeFnName);
802	else if (fMachO64 && g_fProbeFnImported)
803	ScmStreamPrintf(pStrm,
804	" jmp [g_pfnVtgProbeFn wrt rip]\n");
805	else
806	ScmStreamPrintf(pStrm, g_fProbeFnImported ?
807	" lea rax, [IMP2(%s)]\n" //??? macho64?
808	" jmp rax\n"
809	:
810	" jmp NAME(%s)\n"
811	, g_pszProbeFnName);
812
813	ScmStreamPrintf(pStrm,
814	".return:\n"
815	" ret ; The probe was disabled, return\n"
816	"\n");
817	}
818	}
819
820	return RTEXITCODE_SUCCESS;
821	}
822
823
824	static RTEXITCODE generateObject(const char pszOutput, const char pszTempAsm)
825	{
826	if (!pszTempAsm)
827	{
828	size_t cch = strlen(pszOutput);
829	char psz = (char )alloca(cch + sizeof(".asm"));
830	memcpy(psz, pszOutput, cch);
831	memcpy(psz + cch, ".asm", sizeof(".asm"));
832	pszTempAsm = psz;
833	}
834
835	RTEXITCODE rcExit = generateFile(pszTempAsm, "assembly", generateAssembly);
836	if (rcExit == RTEXITCODE_SUCCESS)
837	rcExit = generateInvokeAssembler(pszOutput, pszTempAsm);
838	RTFileDelete(pszTempAsm);
839	return rcExit;
840	}
841
842
843	static RTEXITCODE generateProbeDefineName(char pszBuf, size_t cbBuf, const char pszProvider, const char *pszProbe)
844	{
845	size_t cbMax = strlen(pszProvider) + 1 + strlen(pszProbe) + 1;
846	if (cbMax > cbBuf \|\| cbMax > 80)
847	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Probe '%s' in provider '%s' ends up with a too long defined\n", pszProbe, pszProvider);
848
849	while (*pszProvider)
850	pszBuf++ = RT_C_TO_UPPER(pszProvider++);
851
852	*pszBuf++ = '_';
853
854	while (*pszProbe)
855	{
856	if (pszProbe[0] == '_' && pszProbe[1] == '_')
857	pszProbe++;
858	pszBuf++ = RT_C_TO_UPPER(pszProbe++);
859	}
860
861	*pszBuf = '\0';
862	return RTEXITCODE_SUCCESS;
863	}
864
865	static RTEXITCODE generateHeaderInner(PSCMSTREAM pStrm)
866	{
867	/*
868	* Calc the double inclusion blocker define and then write the file header.
869	*/
870	char szTmp[4096];
871	const char *pszName = RTPathFilename(g_pszScript);
872	size_t cchName = strlen(pszName);
873	if (cchName >= sizeof(szTmp) - 64)
874	return RTMsgErrorExit(RTEXITCODE_FAILURE, "File name is too long '%s'", pszName);
875	szTmp[0] = '_';
876	szTmp[1] = '_';
877	szTmp[2] = '_';
878	memcpy(&szTmp[3], pszName, cchName);
879	szTmp[3 + cchName + 0] = '_';
880	szTmp[3 + cchName + 1] = '_';
881	szTmp[3 + cchName + 2] = '_';
882	szTmp[3 + cchName + 3] = '\0';
883	char *psz = &szTmp[3];
884	while (*psz)
885	{
886	if (!RT_C_IS_ALNUM(psz) && psz != '_')
887	*psz = '_';
888	psz++;
889	}
890
891	ScmStreamPrintf(pStrm,
892	"/* $Id: VBoxTpG.cpp 40878 2012-04-11 20:44:41Z vboxsync $ */\n"
893	"/** @file\n"
894	" * Automatically generated from %s. Do NOT edit!\n"
895	" */\n"
896	"\n"
897	"#ifndef %s\n"
898	"#define %s\n"
899	"\n"
900	"#include <VBox/VBoxTpG.h>\n"
901	"\n"
902	"RT_C_DECLS_BEGIN\n"
903	"\n"
904	"#ifdef VBOX_WITH_DTRACE\n"
905	"\n"
906	"# ifdef _MSC_VER\n"
907	"# pragma data_seg(VTG_LOC_SECT)\n"
908	"# pragma data_seg()\n"
909	"# endif\n"
910	"\n"
911	,
912	g_pszScript,
913	szTmp,
914	szTmp);
915
916	/*
917	* Declare data, code and macros for each probe.
918	*/
919	PVTGPROVIDER pProv;
920	PVTGPROBE pProbe;
921	PVTGARG pArg;
922	RTListForEach(&g_ProviderHead, pProv, VTGPROVIDER, ListEntry)
923	{
924	RTListForEach(&pProv->ProbeHead, pProbe, VTGPROBE, ListEntry)
925	{
926	ScmStreamPrintf(pStrm,
927	"extern bool g_fVTGProbeEnabled_%s_%s;\n"
928	"extern uint8_t g_VTGProbeData_%s_%s;\n"
929	"DECLASM(void) VTGProbeStub_%s_%s(PVTGPROBELOC",
930	pProv->pszName, pProbe->pszMangledName,
931	pProv->pszName, pProbe->pszMangledName,
932	pProv->pszName, pProbe->pszMangledName);
933	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
934	{
935	ScmStreamPrintf(pStrm, ", %s", pArg->pszType);
936	}
937	generateProbeDefineName(szTmp, sizeof(szTmp), pProv->pszName, pProbe->pszMangledName);
938	ScmStreamPrintf(pStrm,
939	");\n"
940	"# define %s_ENABLED() \\\n"
941	" (RT_UNLIKELY(g_fVTGProbeEnabled_%s_%s)) \n"
942	"# define %s("
943	, szTmp,
944	pProv->pszName, pProbe->pszMangledName,
945	szTmp);
946	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
947	{
948	if (RTListNodeIsFirst(&pProbe->ArgHead, &pArg->ListEntry))
949	ScmStreamPrintf(pStrm, "%s", pArg->pszName);
950	else
951	ScmStreamPrintf(pStrm, ", %s", pArg->pszName);
952	}
953	ScmStreamPrintf(pStrm,
954	") \\\n"
955	" do { \\\n"
956	" if (RT_UNLIKELY(g_fVTGProbeEnabled_%s_%s)) \\\n"
957	" { \\\n"
958	" VTG_DECL_VTGPROBELOC(s_VTGProbeLoc) = \\\n"
959	" { __LINE__, 0, UINT32_MAX, __FUNCTION__, &g_VTGProbeData_%s_%s }; \\\n"
960	" VTGProbeStub_%s_%s(&s_VTGProbeLoc",
961	pProv->pszName, pProbe->pszMangledName,
962	pProv->pszName, pProbe->pszMangledName,
963	pProv->pszName, pProbe->pszMangledName);
964	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
965	{
966	ScmStreamPrintf(pStrm, ", %s", pArg->pszName);
967	}
968	ScmStreamPrintf(pStrm,
969	"); \\\n"
970	" } \\\n"
971	" { \\\n" );
972	uint32_t iArg = 0;
973	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
974	{
975	if (iArg < 5)
976	{
977	if (pArg->fType & VTG_TYPE_FIXED_SIZED)
978	ScmStreamPrintf(pStrm,
979	" AssertCompile(sizeof(%s) <= sizeof(uint32_t)); \\\n"
980	" AssertCompile(sizeof(%s) <= sizeof(uint32_t)); \\\n",
981	pArg->pszName,
982	pArg->pszType);
983	else
984	ScmStreamPrintf(pStrm,
985	" AssertCompile(sizeof(%s) <= sizeof(uintptr_t)); \\\n"
986	" AssertCompile(sizeof(%s) <= sizeof(uintptr_t)); \\\n",
987	pArg->pszName,
988	pArg->pszType);
989	}
990	iArg++;
991	}
992	ScmStreamPrintf(pStrm,
993	" } \\\n"
994	" } while (0)\n"
995	"\n");
996	}
997	}
998
999	ScmStreamPrintf(pStrm,
1000	"\n"
1001	"#else\n"
1002	"\n");
1003	RTListForEach(&g_ProviderHead, pProv, VTGPROVIDER, ListEntry)
1004	{
1005	RTListForEach(&pProv->ProbeHead, pProbe, VTGPROBE, ListEntry)
1006	{
1007	generateProbeDefineName(szTmp, sizeof(szTmp), pProv->pszName, pProbe->pszMangledName);
1008	ScmStreamPrintf(pStrm,
1009	"# define %s_ENABLED() (false)\n"
1010	"# define %s("
1011	, szTmp, szTmp);
1012	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
1013	{
1014	if (RTListNodeIsFirst(&pProbe->ArgHead, &pArg->ListEntry))
1015	ScmStreamPrintf(pStrm, "%s", pArg->pszName);
1016	else
1017	ScmStreamPrintf(pStrm, ", %s", pArg->pszName);
1018	}
1019	ScmStreamPrintf(pStrm,
1020	") do { } while (0)\n");
1021	}
1022	}
1023
1024	ScmStreamWrite(pStrm, RT_STR_TUPLE("\n"
1025	"#endif\n"
1026	"\n"
1027	"RT_C_DECLS_END\n"
1028	"#endif\n"));
1029	return RTEXITCODE_SUCCESS;
1030	}
1031
1032
1033	static RTEXITCODE generateHeader(const char *pszHeader)
1034	{
1035	return generateFile(pszHeader, "header", generateHeaderInner);
1036	}
1037
1038	/**
1039	* If the given C word is at off - 1, return @c true and skip beyond it,
1040	* otherwise return @c false.
1041	*
1042	* @retval true if the given C-word is at the current position minus one char.
1043	* The stream position changes.
1044	* @retval false if not. The stream position is unchanged.
1045	*
1046	* @param pStream The stream.
1047	* @param cchWord The length of the word.
1048	* @param pszWord The word.
1049	*/
1050	bool ScmStreamCMatchingWordM1(PSCMSTREAM pStream, const char *pszWord, size_t cchWord)
1051	{
1052	/* Check stream state. */
1053	AssertReturn(!pStream->fWriteOrRead, false);
1054	AssertReturn(RT_SUCCESS(pStream->rc), false);
1055	AssertReturn(pStream->fFullyLineated, false);
1056
1057	/* Sufficient chars left on the line? */
1058	size_t const iLine = pStream->iLine;
1059	AssertReturn(pStream->off > pStream->paLines[iLine].off, false);
1060	size_t const cchLeft = pStream->paLines[iLine].cch + pStream->paLines[iLine].off - (pStream->off - 1);
1061	if (cchWord > cchLeft)
1062	return false;
1063
1064	/* Do they match? */
1065	const char *psz = &pStream->pch[pStream->off - 1];
1066	if (memcmp(psz, pszWord, cchWord))
1067	return false;
1068
1069	/* Is it the end of a C word? */
1070	if (cchWord < cchLeft)
1071	{
1072	psz += cchWord;
1073	if (RT_C_IS_ALNUM(psz) \|\| psz == '_')
1074	return false;
1075	}
1076
1077	/* Skip ahead. */
1078	pStream->off += cchWord - 1;
1079	return true;
1080	}
1081
1082	/**
1083	* Get's the C word starting at the current position.
1084	*
1085	* @returns Pointer to the word on success and the stream position advanced to
1086	* the end of it.
1087	* NULL on failure, stream position normally unchanged.
1088	* @param pStream The stream to get the C word from.
1089	* @param pcchWord Where to return the word length.
1090	*/
1091	const char ScmStreamCGetWord(PSCMSTREAM pStream, size_t pcchWord)
1092	{
1093	/* Check stream state. */
1094	AssertReturn(!pStream->fWriteOrRead, NULL);
1095	AssertReturn(RT_SUCCESS(pStream->rc), NULL);
1096	AssertReturn(pStream->fFullyLineated, NULL);
1097
1098	/* Get the number of chars left on the line and locate the current char. */
1099	size_t const iLine = pStream->iLine;
1100	size_t const cchLeft = pStream->paLines[iLine].cch + pStream->paLines[iLine].off - pStream->off;
1101	const char *psz = &pStream->pch[pStream->off];
1102
1103	/* Is it a leading C character. */
1104	if (!RT_C_IS_ALPHA(psz) && psz == '_')
1105	return NULL;
1106
1107	/* Find the end of the word. */
1108	char ch;
1109	size_t off = 1;
1110	while ( off < cchLeft
1111	&& ( (ch = psz[off]) == '_'
1112	\|\| RT_C_IS_ALNUM(ch)))
1113	off++;
1114
1115	pStream->off += off;
1116	*pcchWord = off;
1117	return psz;
1118	}
1119
1120
1121	/**
1122	* Get's the C word starting at the current position minus one.
1123	*
1124	* @returns Pointer to the word on success and the stream position advanced to
1125	* the end of it.
1126	* NULL on failure, stream position normally unchanged.
1127	* @param pStream The stream to get the C word from.
1128	* @param pcchWord Where to return the word length.
1129	*/
1130	const char ScmStreamCGetWordM1(PSCMSTREAM pStream, size_t pcchWord)
1131	{
1132	/* Check stream state. */
1133	AssertReturn(!pStream->fWriteOrRead, NULL);
1134	AssertReturn(RT_SUCCESS(pStream->rc), NULL);
1135	AssertReturn(pStream->fFullyLineated, NULL);
1136
1137	/* Get the number of chars left on the line and locate the current char. */
1138	size_t const iLine = pStream->iLine;
1139	size_t const cchLeft = pStream->paLines[iLine].cch + pStream->paLines[iLine].off - (pStream->off - 1);
1140	const char *psz = &pStream->pch[pStream->off - 1];
1141
1142	/* Is it a leading C character. */
1143	if (!RT_C_IS_ALPHA(psz) && psz == '_')
1144	return NULL;
1145
1146	/* Find the end of the word. */
1147	char ch;
1148	size_t off = 1;
1149	while ( off < cchLeft
1150	&& ( (ch = psz[off]) == '_'
1151	\|\| RT_C_IS_ALNUM(ch)))
1152	off++;
1153
1154	pStream->off += off - 1;
1155	*pcchWord = off;
1156	return psz;
1157	}
1158
1159
1160	/**
1161	* Parser error with line and position.
1162	*
1163	* @returns RTEXITCODE_FAILURE.
1164	* @param pStrm The stream.
1165	* @param cb The offset from the current position to the
1166	* point of failure.
1167	* @param pszMsg The message to display.
1168	*/
1169	static RTEXITCODE parseError(PSCMSTREAM pStrm, size_t cb, const char *pszMsg)
1170	{
1171	if (cb)
1172	ScmStreamSeekRelative(pStrm, -(ssize_t)cb);
1173	size_t const off = ScmStreamTell(pStrm);
1174	size_t const iLine = ScmStreamTellLine(pStrm);
1175	ScmStreamSeekByLine(pStrm, iLine);
1176	size_t const offLine = ScmStreamTell(pStrm);
1177
1178	RTPrintf("%s:%d:%zd: error: %s.\n", g_pszScript, iLine + 1, off - offLine + 1, pszMsg);
1179
1180	size_t cchLine;
1181	SCMEOL enmEof;
1182	const char *pszLine = ScmStreamGetLineByNo(pStrm, iLine, &cchLine, &enmEof);
1183	if (pszLine)
1184	RTPrintf(" %.*s\n"
1185	" %*s^\n",
1186	cchLine, pszLine, off - offLine, "");
1187	return RTEXITCODE_FAILURE;
1188	}
1189
1190
1191	/**
1192	* Parser error with line and position.
1193	*
1194	* @returns RTEXITCODE_FAILURE.
1195	* @param pStrm The stream.
1196	* @param cb The offset from the current position to the
1197	* point of failure.
1198	* @param pszMsg The message to display.
1199	*/
1200	static RTEXITCODE parseErrorAbs(PSCMSTREAM pStrm, size_t off, const char *pszMsg)
1201	{
1202	ScmStreamSeekAbsolute(pStrm, off);
1203	return parseError(pStrm, 0, pszMsg);
1204	}
1205
1206	/**
1207	* Handles a C++ one line comment.
1208	*
1209	* @returns Exit code.
1210	* @param pStrm The stream.
1211	*/
1212	static RTEXITCODE parseOneLineComment(PSCMSTREAM pStrm)
1213	{
1214	ScmStreamSeekByLine(pStrm, ScmStreamTellLine(pStrm) + 1);
1215	return RTEXITCODE_SUCCESS;
1216	}
1217
1218	/**
1219	* Handles a multi-line C/C++ comment.
1220	*
1221	* @returns Exit code.
1222	* @param pStrm The stream.
1223	*/
1224	static RTEXITCODE parseMultiLineComment(PSCMSTREAM pStrm)
1225	{
1226	unsigned ch;
1227	while ((ch = ScmStreamGetCh(pStrm)) != ~(unsigned)0)
1228	{
1229	if (ch == '*')
1230	{
1231	do
1232	ch = ScmStreamGetCh(pStrm);
1233	while (ch == '*');
1234	if (ch == '/')
1235	return RTEXITCODE_SUCCESS;
1236	}
1237	}
1238
1239	parseError(pStrm, 1, "Expected end of comment, got end of file");
1240	return RTEXITCODE_FAILURE;
1241	}
1242
1243
1244	/**
1245	* Skips spaces and comments.
1246	*
1247	* @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE.
1248	* @param pStrm The stream..
1249	*/
1250	static RTEXITCODE parseSkipSpacesAndComments(PSCMSTREAM pStrm)
1251	{
1252	unsigned ch;
1253	while ((ch = ScmStreamPeekCh(pStrm)) != ~(unsigned)0)
1254	{
1255	if (!RT_C_IS_SPACE(ch) && ch != '/')
1256	return RTEXITCODE_SUCCESS;
1257	unsigned ch2 = ScmStreamGetCh(pStrm); AssertBreak(ch == ch2); NOREF(ch2);
1258	if (ch == '/')
1259	{
1260	ch = ScmStreamGetCh(pStrm);
1261	RTEXITCODE rcExit;
1262	if (ch == '*')
1263	rcExit = parseMultiLineComment(pStrm);
1264	else if (ch == '/')
1265	rcExit = parseOneLineComment(pStrm);
1266	else
1267	rcExit = parseError(pStrm, 2, "Unexpected character");
1268	if (rcExit != RTEXITCODE_SUCCESS)
1269	return rcExit;
1270	}
1271	}
1272
1273	return parseError(pStrm, 0, "Unexpected end of file");
1274	}
1275
1276
1277	/**
1278	* Skips spaces and comments, returning the next character.
1279	*
1280	* @returns Next non-space-non-comment character. ~(unsigned)0 on EOF or
1281	* failure.
1282	* @param pStrm The stream.
1283	*/
1284	static unsigned parseGetNextNonSpaceNonCommentCh(PSCMSTREAM pStrm)
1285	{
1286	unsigned ch;
1287	while ((ch = ScmStreamGetCh(pStrm)) != ~(unsigned)0)
1288	{
1289	if (!RT_C_IS_SPACE(ch) && ch != '/')
1290	return ch;
1291	if (ch == '/')
1292	{
1293	ch = ScmStreamGetCh(pStrm);
1294	RTEXITCODE rcExit;
1295	if (ch == '*')
1296	rcExit = parseMultiLineComment(pStrm);
1297	else if (ch == '/')
1298	rcExit = parseOneLineComment(pStrm);
1299	else
1300	rcExit = parseError(pStrm, 2, "Unexpected character");
1301	if (rcExit != RTEXITCODE_SUCCESS)
1302	return ~(unsigned)0;
1303	}
1304	}
1305
1306	parseError(pStrm, 0, "Unexpected end of file");
1307	return ~(unsigned)0;
1308	}
1309
1310
1311	/**
1312	* Get the next non-space-non-comment character on a preprocessor line.
1313	*
1314	* @returns The next character. On error message and ~(unsigned)0.
1315	* @param pStrm The stream.
1316	*/
1317	static unsigned parseGetNextNonSpaceNonCommentChOnPpLine(PSCMSTREAM pStrm)
1318	{
1319	size_t off = ScmStreamTell(pStrm) - 1;
1320	unsigned ch;
1321	while ((ch = ScmStreamGetCh(pStrm)) != ~(unsigned)0)
1322	{
1323	if (RT_C_IS_SPACE(ch))
1324	{
1325	if (ch == '\n' \|\| ch == '\r')
1326	{
1327	parseErrorAbs(pStrm, off, "Invalid preprocessor statement");
1328	break;
1329	}
1330	}
1331	else if (ch == '\\')
1332	{
1333	size_t off2 = ScmStreamTell(pStrm) - 1;
1334	ch = ScmStreamGetCh(pStrm);
1335	if (ch == '\r')
1336	ch = ScmStreamGetCh(pStrm);
1337	if (ch != '\n')
1338	{
1339	parseErrorAbs(pStrm, off2, "Expected new line");
1340	break;
1341	}
1342	}
1343	else
1344	return ch;
1345	}
1346	return ~(unsigned)0;
1347	}
1348
1349
1350
1351	/**
1352	* Skips spaces and comments.
1353	*
1354	* @returns Same as ScmStreamCGetWord
1355	* @param pStrm The stream..
1356	* @param pcchWord Where to return the length.
1357	*/
1358	static const char parseGetNextCWord(PSCMSTREAM pStrm, size_t pcchWord)
1359	{
1360	if (parseSkipSpacesAndComments(pStrm) != RTEXITCODE_SUCCESS)
1361	return NULL;
1362	return ScmStreamCGetWord(pStrm, pcchWord);
1363	}
1364
1365
1366
1367	/**
1368	* Parses interface stability.
1369	*
1370	* @returns Interface stability if parsed correctly, otherwise error message and
1371	* kVTGStability_Invalid.
1372	* @param pStrm The stream.
1373	* @param ch The first character in the stability spec.
1374	*/
1375	static kVTGStability parseStability(PSCMSTREAM pStrm, unsigned ch)
1376	{
1377	switch (ch)
1378	{
1379	case 'E':
1380	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("External")))
1381	return kVTGStability_External;
1382	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Evolving")))
1383	return kVTGStability_Evolving;
1384	break;
1385	case 'I':
1386	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Internal")))
1387	return kVTGStability_Internal;
1388	break;
1389	case 'O':
1390	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Obsolete")))
1391	return kVTGStability_Obsolete;
1392	break;
1393	case 'P':
1394	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Private")))
1395	return kVTGStability_Private;
1396	break;
1397	case 'S':
1398	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Stable")))
1399	return kVTGStability_Stable;
1400	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Standard")))
1401	return kVTGStability_Standard;
1402	break;
1403	case 'U':
1404	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Unstable")))
1405	return kVTGStability_Unstable;
1406	break;
1407	}
1408	parseError(pStrm, 1, "Unknown stability specifier");
1409	return kVTGStability_Invalid;
1410	}
1411
1412
1413	/**
1414	* Parses data depndency class.
1415	*
1416	* @returns Data dependency class if parsed correctly, otherwise error message
1417	* and kVTGClass_Invalid.
1418	* @param pStrm The stream.
1419	* @param ch The first character in the stability spec.
1420	*/
1421	static kVTGClass parseDataDepClass(PSCMSTREAM pStrm, unsigned ch)
1422	{
1423	switch (ch)
1424	{
1425	case 'C':
1426	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Common")))
1427	return kVTGClass_Common;
1428	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Cpu")))
1429	return kVTGClass_Cpu;
1430	break;
1431	case 'G':
1432	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Group")))
1433	return kVTGClass_Group;
1434	break;
1435	case 'I':
1436	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Isa")))
1437	return kVTGClass_Isa;
1438	break;
1439	case 'P':
1440	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Platform")))
1441	return kVTGClass_Platform;
1442	break;
1443	case 'U':
1444	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Unknown")))
1445	return kVTGClass_Unknown;
1446	break;
1447	}
1448	parseError(pStrm, 1, "Unknown data dependency class specifier");
1449	return kVTGClass_Invalid;
1450	}
1451
1452	/**
1453	* Parses a pragma D attributes statement.
1454	*
1455	* @returns Suitable exit code, errors message already written on failure.
1456	* @param pStrm The stream.
1457	*/
1458	static RTEXITCODE parsePragmaDAttributes(PSCMSTREAM pStrm)
1459	{
1460	/*
1461	* "CodeStability/DataStability/DataDepClass" - no spaces allowed.
1462	*/
1463	unsigned ch = parseGetNextNonSpaceNonCommentChOnPpLine(pStrm);
1464	if (ch == ~(unsigned)0)
1465	return RTEXITCODE_FAILURE;
1466
1467	kVTGStability enmCode = parseStability(pStrm, ch);
1468	if (enmCode == kVTGStability_Invalid)
1469	return RTEXITCODE_FAILURE;
1470	ch = ScmStreamGetCh(pStrm);
1471	if (ch != '/')
1472	return parseError(pStrm, 1, "Expected '/' following the code stability specifier");
1473
1474	kVTGStability enmData = parseStability(pStrm, ScmStreamGetCh(pStrm));
1475	if (enmData == kVTGStability_Invalid)
1476	return RTEXITCODE_FAILURE;
1477	ch = ScmStreamGetCh(pStrm);
1478	if (ch != '/')
1479	return parseError(pStrm, 1, "Expected '/' following the data stability specifier");
1480
1481	kVTGClass enmDataDep = parseDataDepClass(pStrm, ScmStreamGetCh(pStrm));
1482	if (enmDataDep == kVTGClass_Invalid)
1483	return RTEXITCODE_FAILURE;
1484
1485	/*
1486	* Expecting 'provider' followed by the name of an provider defined earlier.
1487	*/
1488	ch = parseGetNextNonSpaceNonCommentChOnPpLine(pStrm);
1489	if (ch == ~(unsigned)0)
1490	return RTEXITCODE_FAILURE;
1491	if (ch != 'p' \|\| !ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("provider")))
1492	return parseError(pStrm, 1, "Expected 'provider'");
1493
1494	size_t cchName;
1495	const char *pszName = parseGetNextCWord(pStrm, &cchName);
1496	if (!pszName)
1497	return parseError(pStrm, 1, "Expected provider name");
1498
1499	PVTGPROVIDER pProv;
1500	RTListForEach(&g_ProviderHead, pProv, VTGPROVIDER, ListEntry)
1501	{
1502	if ( !strncmp(pProv->pszName, pszName, cchName)
1503	&& pProv->pszName[cchName] == '\0')
1504	break;
1505	}
1506	if (RTListNodeIsDummy(&g_ProviderHead, pProv, VTGPROVIDER, ListEntry))
1507	return parseError(pStrm, cchName, "Provider not found");
1508
1509	/*
1510	* Which aspect of the provider?
1511	*/
1512	size_t cchAspect;
1513	const char *pszAspect = parseGetNextCWord(pStrm, &cchAspect);
1514	if (!pszAspect)
1515	return parseError(pStrm, 1, "Expected provider aspect");
1516
1517	PVTGATTRS pAttrs;
1518	if (cchAspect == 8 && !memcmp(pszAspect, "provider", 8))
1519	pAttrs = &pProv->AttrSelf;
1520	else if (cchAspect == 8 && !memcmp(pszAspect, "function", 8))
1521	pAttrs = &pProv->AttrFunctions;
1522	else if (cchAspect == 6 && !memcmp(pszAspect, "module", 6))
1523	pAttrs = &pProv->AttrModules;
1524	else if (cchAspect == 4 && !memcmp(pszAspect, "name", 4))
1525	pAttrs = &pProv->AttrName;
1526	else if (cchAspect == 4 && !memcmp(pszAspect, "args", 4))
1527	pAttrs = &pProv->AttrArguments;
1528	else
1529	return parseError(pStrm, cchAspect, "Unknown aspect");
1530
1531	if (pAttrs->enmCode != kVTGStability_Invalid)
1532	return parseError(pStrm, cchAspect, "You have already specified these attributes");
1533
1534	pAttrs->enmCode = enmCode;
1535	pAttrs->enmData = enmData;
1536	pAttrs->enmDataDep = enmDataDep;
1537	return RTEXITCODE_SUCCESS;
1538	}
1539
1540	/**
1541	* Parses a D pragma statement.
1542	*
1543	* @returns Suitable exit code, errors message already written on failure.
1544	* @param pStrm The stream.
1545	*/
1546	static RTEXITCODE parsePragma(PSCMSTREAM pStrm)
1547	{
1548	RTEXITCODE rcExit;
1549	unsigned ch = parseGetNextNonSpaceNonCommentChOnPpLine(pStrm);
1550	if (ch == ~(unsigned)0)
1551	rcExit = RTEXITCODE_FAILURE;
1552	else if (ch == 'D' && ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("D")))
1553	{
1554	ch = parseGetNextNonSpaceNonCommentChOnPpLine(pStrm);
1555	if (ch == ~(unsigned)0)
1556	rcExit = RTEXITCODE_FAILURE;
1557	else if (ch == 'a' && ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("attributes")))
1558	rcExit = parsePragmaDAttributes(pStrm);
1559	else
1560	rcExit = parseError(pStrm, 1, "Unknown pragma D");
1561	}
1562	else
1563	rcExit = parseError(pStrm, 1, "Unknown pragma");
1564	return rcExit;
1565	}
1566
1567
1568	/**
1569	* Classifies the given type expression.
1570	*
1571	* @return Type flags.
1572	* @param pszType The type expression.
1573	*/
1574	static uint32_t parseTypeExpression(const char *pszType)
1575	{
1576	size_t cchType = strlen(pszType);
1577	#define MY_STRMATCH(a_sz) (cchType == sizeof(a_sz) - 1 && !memcmp(a_sz, pszType, sizeof(a_sz) - 1))
1578
1579	/*
1580	* Try detect pointers.
1581	*/
1582	if (pszType[cchType - 1] == '*') return VTG_TYPE_POINTER;
1583	if (pszType[cchType - 1] == '&')
1584	{
1585	RTMsgWarning("Please avoid using references like '%s' for probe arguments!", pszType);
1586	return VTG_TYPE_POINTER;
1587	}
1588
1589	/*
1590	* Standard integer types and IPRT variants.
1591	* It's important that we catch all types larger than 32-bit here or we'll
1592	* screw up the probe argument handling.
1593	*/
1594	//if (MY_STRMATCH("uint128_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint128_t) \| VTG_TYPE_UNSIGNED;
1595	if (MY_STRMATCH("uint64_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint64_t) \| VTG_TYPE_UNSIGNED;
1596	if (MY_STRMATCH("uint32_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint32_t) \| VTG_TYPE_UNSIGNED;
1597	if (MY_STRMATCH("uint16_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint16_t) \| VTG_TYPE_UNSIGNED;
1598	if (MY_STRMATCH("uint8_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint8_t) \| VTG_TYPE_UNSIGNED;
1599
1600	//if (MY_STRMATCH("int128_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int128_t) \| VTG_TYPE_SIGNED;
1601	if (MY_STRMATCH("int64_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int64_t) \| VTG_TYPE_SIGNED;
1602	if (MY_STRMATCH("int32_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int32_t) \| VTG_TYPE_SIGNED;
1603	if (MY_STRMATCH("int16_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int16_t) \| VTG_TYPE_SIGNED;
1604	if (MY_STRMATCH("int8_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int8_t) \| VTG_TYPE_SIGNED;
1605
1606	if (MY_STRMATCH("RTUINT64U")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint64_t) \| VTG_TYPE_UNSIGNED;
1607	if (MY_STRMATCH("RTUINT32U")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint32_t) \| VTG_TYPE_UNSIGNED;
1608	if (MY_STRMATCH("RTUINT16U")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint16_t) \| VTG_TYPE_UNSIGNED;
1609
1610	if (MY_STRMATCH("RTMSINTERVAL")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTMSINTERVAL) \| VTG_TYPE_UNSIGNED;
1611	if (MY_STRMATCH("RTTIMESPEC")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTTIMESPEC) \| VTG_TYPE_SIGNED;
1612	if (MY_STRMATCH("RTHCPHYS")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTHCPHYS) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_PHYS;
1613
1614	if (MY_STRMATCH("RTR3PTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3;
1615	if (MY_STRMATCH("RTR0PTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R0;
1616	if (MY_STRMATCH("RTRCPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_RC;
1617	if (MY_STRMATCH("RTHCPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0;
1618
1619	if (MY_STRMATCH("RTR3UINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_UNSIGNED;
1620	if (MY_STRMATCH("RTR0UINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R0 \| VTG_TYPE_UNSIGNED;
1621	if (MY_STRMATCH("RTRCUINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_RC \| VTG_TYPE_UNSIGNED;
1622	if (MY_STRMATCH("RTHCUINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_UNSIGNED;
1623
1624	if (MY_STRMATCH("RTR3INTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_SIGNED;
1625	if (MY_STRMATCH("RTR0INTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R0 \| VTG_TYPE_SIGNED;
1626	if (MY_STRMATCH("RTRCINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_RC \| VTG_TYPE_SIGNED;
1627	if (MY_STRMATCH("RTHCINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_SIGNED;
1628
1629	if (MY_STRMATCH("RTUINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_CTX_RC \| VTG_TYPE_UNSIGNED;
1630	if (MY_STRMATCH("RTINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_CTX_RC \| VTG_TYPE_SIGNED;
1631
1632	if (MY_STRMATCH("RTHCUINTREG")) return VTG_TYPE_HC_ARCH_SIZED \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_UNSIGNED;
1633	if (MY_STRMATCH("RTR3UINTREG")) return VTG_TYPE_HC_ARCH_SIZED \| VTG_TYPE_CTX_R3 \| VTG_TYPE_UNSIGNED;
1634	if (MY_STRMATCH("RTR0UINTREG")) return VTG_TYPE_HC_ARCH_SIZED \| VTG_TYPE_CTX_R3 \| VTG_TYPE_UNSIGNED;
1635
1636	if (MY_STRMATCH("RTGCUINTREG")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCUINTREG) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_CTX_GST;
1637	if (MY_STRMATCH("RTGCPTR")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPTR) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_CTX_GST;
1638	if (MY_STRMATCH("RTGCINTPTR")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCUINTPTR) \| VTG_TYPE_SIGNED \| VTG_TYPE_CTX_GST;
1639	if (MY_STRMATCH("RTGCPTR32")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPTR32) \| VTG_TYPE_SIGNED \| VTG_TYPE_CTX_GST;
1640	if (MY_STRMATCH("RTGCPTR64")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPTR64) \| VTG_TYPE_SIGNED \| VTG_TYPE_CTX_GST;
1641	if (MY_STRMATCH("RTGCPHYS")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPHYS) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_PHYS \| VTG_TYPE_CTX_GST;
1642	if (MY_STRMATCH("RTGCPHYS32")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPHYS32) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_PHYS \| VTG_TYPE_CTX_GST;
1643	if (MY_STRMATCH("RTGCPHYS64")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPHYS64) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_PHYS \| VTG_TYPE_CTX_GST;
1644
1645	/*
1646	* The special VBox types.
1647	*/
1648	if (MY_STRMATCH("PVM")) return VTG_TYPE_CTX_POINTER;
1649	if (MY_STRMATCH("PVMCPU")) return VTG_TYPE_CTX_POINTER;
1650
1651	/*
1652	* Preaching time.
1653	*/
1654	if ( MY_STRMATCH("unsigned long")
1655	\|\| MY_STRMATCH("unsigned long long")
1656	\|\| MY_STRMATCH("signed long")
1657	\|\| MY_STRMATCH("signed long long")
1658	\|\| MY_STRMATCH("long")
1659	\|\| MY_STRMATCH("long long")
1660	\|\| MY_STRMATCH("char")
1661	\|\| MY_STRMATCH("signed char")
1662	\|\| MY_STRMATCH("unsigned char")
1663	\|\| MY_STRMATCH("double")
1664	\|\| MY_STRMATCH("long double")
1665	\|\| MY_STRMATCH("float")
1666	)
1667	{
1668	RTMsgError("Please do NOT use the type '%s' for probe arguments!", pszType);
1669	g_cTypeErrors++;
1670	return 0;
1671	}
1672
1673	if ( MY_STRMATCH("unsigned")
1674	\|\| MY_STRMATCH("signed")
1675	\|\| MY_STRMATCH("int")
1676	\|\| MY_STRMATCH("signed int")
1677	\|\| MY_STRMATCH("unsigned int")
1678	\|\| MY_STRMATCH("short")
1679	\|\| MY_STRMATCH("signed short")
1680	\|\| MY_STRMATCH("unsigned short")
1681	)
1682	RTMsgWarning("Please avoid using the type '%s' for probe arguments!", pszType);
1683	if (MY_STRMATCH("unsigned")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_UNSIGNED;
1684	if (MY_STRMATCH("unsigned int")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_UNSIGNED;
1685	if (MY_STRMATCH("int")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_SIGNED;
1686	if (MY_STRMATCH("signed")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_SIGNED;
1687	if (MY_STRMATCH("signed int")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_SIGNED;
1688	if (MY_STRMATCH("short")) return VTG_TYPE_FIXED_SIZED \| sizeof(short) \| VTG_TYPE_SIGNED;
1689	if (MY_STRMATCH("signed short")) return VTG_TYPE_FIXED_SIZED \| sizeof(short) \| VTG_TYPE_SIGNED;
1690	if (MY_STRMATCH("unsigned short")) return VTG_TYPE_FIXED_SIZED \| sizeof(short) \| VTG_TYPE_UNSIGNED;
1691
1692	/*
1693	* What we haven't caught by now is either unknown to us or wrong.
1694	*/
1695	if (pszType[0] == 'P')
1696	{
1697	RTMsgError("Type '%s' looks like a pointer typedef, please do NOT use those "
1698	"but rather the non-pointer typedef or struct with '*'",
1699	pszType);
1700	g_cTypeErrors++;
1701	return VTG_TYPE_POINTER;
1702	}
1703
1704	RTMsgError("Don't know '%s' - please change or fix VBoxTpG", pszType);
1705	g_cTypeErrors++;
1706
1707	#undef MY_STRCMP
1708	return 0;
1709	}
1710
1711
1712	/**
1713	* Unmangles the probe name.
1714	*
1715	* This involves translating double underscore to dash.
1716	*
1717	* @returns Pointer to the unmangled name in the string table.
1718	* @param pszMangled The mangled name.
1719	*/
1720	static const char parseUnmangleProbeName(const char pszMangled)
1721	{
1722	size_t cchMangled = strlen(pszMangled);
1723	char pszTmp = (char )alloca(cchMangled + 2);
1724	const char *pszSrc = pszMangled;
1725	char *pszDst = pszTmp;
1726
1727	while (*pszSrc)
1728	{
1729	if (pszSrc[0] == '_' && pszSrc[1] == '_' && pszSrc[2] != '_')
1730	{
1731	*pszDst++ = '-';
1732	pszSrc += 2;
1733	}
1734	else
1735	pszDst++ = pszSrc++;
1736	}
1737	*pszDst = '\0';
1738
1739	return strtabInsertN(pszTmp, pszDst - pszTmp);
1740	}
1741
1742
1743	/**
1744	* Parses a D probe statement.
1745	*
1746	* @returns Suitable exit code, errors message already written on failure.
1747	* @param pStrm The stream.
1748	* @param pProv The provider being parsed.
1749	*/
1750	static RTEXITCODE parseProbe(PSCMSTREAM pStrm, PVTGPROVIDER pProv)
1751	{
1752	/*
1753	* Next up is a name followed by an opening parenthesis.
1754	*/
1755	size_t cchProbe;
1756	const char *pszProbe = parseGetNextCWord(pStrm, &cchProbe);
1757	if (!pszProbe)
1758	return parseError(pStrm, 1, "Expected a probe name starting with an alphabetical character");
1759	unsigned ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1760	if (ch != '(')
1761	return parseError(pStrm, 1, "Expected '(' after the probe name");
1762
1763	/*
1764	* Create a probe instance.
1765	*/
1766	PVTGPROBE pProbe = (PVTGPROBE)RTMemAllocZ(sizeof(*pProbe));
1767	if (!pProbe)
1768	return parseError(pStrm, 0, "Out of memory");
1769	RTListInit(&pProbe->ArgHead);
1770	RTListAppend(&pProv->ProbeHead, &pProbe->ListEntry);
1771	pProbe->offArgList = UINT32_MAX;
1772	pProbe->pszMangledName = RTStrDupN(pszProbe, cchProbe);
1773	if (!pProbe->pszMangledName)
1774	return parseError(pStrm, 0, "Out of memory");
1775	pProbe->pszUnmangledName = parseUnmangleProbeName(pProbe->pszMangledName);
1776	if (!pProbe->pszUnmangledName)
1777	return parseError(pStrm, 0, "Out of memory");
1778
1779	/*
1780	* Parse loop for the argument.
1781	*/
1782	PVTGARG pArg = NULL;
1783	size_t cchName = 0;
1784	size_t cchArg = 0;
1785	char szArg[4096];
1786	for (;;)
1787	{
1788	ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1789	switch (ch)
1790	{
1791	case ')':
1792	case ',':
1793	{
1794	/* commit the argument */
1795	if (pArg)
1796	{
1797	if (!cchName)
1798	return parseError(pStrm, 1, "Argument has no name");
1799	if (cchArg - cchName - 1 >= 128)
1800	return parseError(pStrm, 1, "Argument type too long");
1801	pArg->pszType = strtabInsertN(szArg, cchArg - cchName - 1);
1802	pArg->pszName = RTStrDupN(&szArg[cchArg - cchName], cchName);
1803	if (!pArg->pszType \|\| !pArg->pszName)
1804	return parseError(pStrm, 1, "Out of memory");
1805	pArg->fType = parseTypeExpression(pArg->pszType);
1806	if (VTG_TYPE_IS_LARGE(pArg->fType))
1807	pProbe->fHaveLargeArgs = true;
1808	pArg = NULL;
1809	cchName = cchArg = 0;
1810	}
1811	if (ch == ')')
1812	{
1813	size_t off = ScmStreamTell(pStrm);
1814	ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1815	if (ch != ';')
1816	return parseErrorAbs(pStrm, off, "Expected ';'");
1817	return RTEXITCODE_SUCCESS;
1818	}
1819	break;
1820	}
1821
1822	default:
1823	{
1824	size_t cchWord;
1825	const char *pszWord = ScmStreamCGetWordM1(pStrm, &cchWord);
1826	if (!pszWord)
1827	return parseError(pStrm, 0, "Expected argument");
1828	if (!pArg)
1829	{
1830	pArg = (PVTGARG)RTMemAllocZ(sizeof(*pArg));
1831	if (!pArg)
1832	return parseError(pStrm, 1, "Out of memory");
1833	RTListAppend(&pProbe->ArgHead, &pArg->ListEntry);
1834	pProbe->cArgs++;
1835
1836	if (cchWord + 1 > sizeof(szArg))
1837	return parseError(pStrm, 1, "Too long parameter declaration");
1838	memcpy(szArg, pszWord, cchWord);
1839	szArg[cchWord] = '\0';
1840	cchArg = cchWord;
1841	cchName = 0;
1842	}
1843	else
1844	{
1845	if (cchArg + 1 + cchWord + 1 > sizeof(szArg))
1846	return parseError(pStrm, 1, "Too long parameter declaration");
1847
1848	szArg[cchArg++] = ' ';
1849	memcpy(&szArg[cchArg], pszWord, cchWord);
1850	cchArg += cchWord;
1851	szArg[cchArg] = '\0';
1852	cchName = cchWord;
1853	}
1854	break;
1855	}
1856
1857	case '*':
1858	{
1859	if (!pArg)
1860	return parseError(pStrm, 1, "A parameter type does not start with an asterix");
1861	if (cchArg + sizeof(" *") >= sizeof(szArg))
1862	return parseError(pStrm, 1, "Too long parameter declaration");
1863	szArg[cchArg++] = ' ';
1864	szArg[cchArg++] = '*';
1865	szArg[cchArg ] = '\0';
1866	cchName = 0;
1867	break;
1868	}
1869
1870	case ~(unsigned)0:
1871	return parseError(pStrm, 0, "Missing closing ')' on probe");
1872	}
1873	}
1874	}
1875
1876	/**
1877	* Parses a D provider statement.
1878	*
1879	* @returns Suitable exit code, errors message already written on failure.
1880	* @param pStrm The stream.
1881	*/
1882	static RTEXITCODE parseProvider(PSCMSTREAM pStrm)
1883	{
1884	/*
1885	* Next up is a name followed by a curly bracket. Ignore comments.
1886	*/
1887	RTEXITCODE rcExit = parseSkipSpacesAndComments(pStrm);
1888	if (rcExit != RTEXITCODE_SUCCESS)
1889	return parseError(pStrm, 1, "Expected a provider name starting with an alphabetical character");
1890	size_t cchName;
1891	const char *pszName = ScmStreamCGetWord(pStrm, &cchName);
1892	if (!pszName)
1893	return parseError(pStrm, 0, "Bad provider name");
1894	if (RT_C_IS_DIGIT(pszName[cchName - 1]))
1895	return parseError(pStrm, 1, "A provider name cannot end with digit");
1896
1897	unsigned ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1898	if (ch != '{')
1899	return parseError(pStrm, 1, "Expected '{' after the provider name");
1900
1901	/*
1902	* Create a provider instance.
1903	*/
1904	PVTGPROVIDER pProv = (PVTGPROVIDER)RTMemAllocZ(sizeof(*pProv));
1905	if (!pProv)
1906	return parseError(pStrm, 0, "Out of memory");
1907	RTListInit(&pProv->ProbeHead);
1908	RTListAppend(&g_ProviderHead, &pProv->ListEntry);
1909	pProv->pszName = strtabInsertN(pszName, cchName);
1910	if (!pProv->pszName)
1911	return parseError(pStrm, 0, "Out of memory");
1912
1913	/*
1914	* Parse loop.
1915	*/
1916	for (;;)
1917	{
1918	ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1919	switch (ch)
1920	{
1921	case 'p':
1922	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("probe")))
1923	rcExit = parseProbe(pStrm, pProv);
1924	else
1925	rcExit = parseError(pStrm, 1, "Unexpected character");
1926	break;
1927
1928	case '}':
1929	{
1930	size_t off = ScmStreamTell(pStrm);
1931	ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1932	if (ch == ';')
1933	return RTEXITCODE_SUCCESS;
1934	rcExit = parseErrorAbs(pStrm, off, "Expected ';'");
1935	break;
1936	}
1937
1938	case ~(unsigned)0:
1939	rcExit = parseError(pStrm, 0, "Missing closing '}' on provider");
1940	break;
1941
1942	default:
1943	rcExit = parseError(pStrm, 1, "Unexpected character");
1944	break;
1945	}
1946	if (rcExit != RTEXITCODE_SUCCESS)
1947	return rcExit;
1948	}
1949	}
1950
1951
1952	static RTEXITCODE parseScript(const char *pszScript)
1953	{
1954	SCMSTREAM Strm;
1955	int rc = ScmStreamInitForReading(&Strm, pszScript);
1956	if (RT_FAILURE(rc))
1957	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to open & read '%s' into memory: %Rrc", pszScript, rc);
1958	if (g_cVerbosity > 0)
1959	RTMsgInfo("Parsing '%s'...", pszScript);
1960
1961	RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
1962	unsigned ch;
1963	while ((ch = ScmStreamGetCh(&Strm)) != ~(unsigned)0)
1964	{
1965	if (RT_C_IS_SPACE(ch))
1966	continue;
1967	switch (ch)
1968	{
1969	case '/':
1970	ch = ScmStreamGetCh(&Strm);
1971	if (ch == '*')
1972	rcExit = parseMultiLineComment(&Strm);
1973	else if (ch == '/')
1974	rcExit = parseOneLineComment(&Strm);
1975	else
1976	rcExit = parseError(&Strm, 2, "Unexpected character");
1977	break;
1978
1979	case 'p':
1980	if (ScmStreamCMatchingWordM1(&Strm, RT_STR_TUPLE("provider")))
1981	rcExit = parseProvider(&Strm);
1982	else
1983	rcExit = parseError(&Strm, 1, "Unexpected character");
1984	break;
1985
1986	case '#':
1987	{
1988	ch = parseGetNextNonSpaceNonCommentChOnPpLine(&Strm);
1989	if (ch == ~(unsigned)0)
1990	rcExit = RTEXITCODE_FAILURE;
1991	else if (ch == 'p' && ScmStreamCMatchingWordM1(&Strm, RT_STR_TUPLE("pragma")))
1992	rcExit = parsePragma(&Strm);
1993	else
1994	rcExit = parseError(&Strm, 1, "Unsupported preprocessor directive");
1995	break;
1996	}
1997
1998	default:
1999	rcExit = parseError(&Strm, 1, "Unexpected character");
2000	break;
2001	}
2002	if (rcExit != RTEXITCODE_SUCCESS)
2003	return rcExit;
2004	}
2005
2006	ScmStreamDelete(&Strm);
2007	if (g_cVerbosity > 0 && rcExit == RTEXITCODE_SUCCESS)
2008	RTMsgInfo("Successfully parsed '%s'.", pszScript);
2009	return rcExit;
2010	}
2011
2012
2013	/**
2014	* Parses the arguments.
2015	*/
2016	static RTEXITCODE parseArguments(int argc, char **argv)
2017	{
2018	/*
2019	* Set / Adjust defaults.
2020	*/
2021	int rc = RTPathAbs(g_pszAssemblerIncVal, g_szAssemblerIncVal, sizeof(g_szAssemblerIncVal) - 1);
2022	if (RT_FAILURE(rc))
2023	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTPathAbs failed: %Rrc", rc);
2024	strcat(g_szAssemblerIncVal, "/");
2025	g_pszAssemblerIncVal = g_szAssemblerIncVal;
2026
2027	/*
2028	* Option config.
2029	*/
2030	enum
2031	{
2032	kVBoxTpGOpt_32Bit = 1000,
2033	kVBoxTpGOpt_64Bit,
2034	kVBoxTpGOpt_Assembler,
2035	kVBoxTpGOpt_AssemblerFmtOpt,
2036	kVBoxTpGOpt_AssemblerFmtVal,
2037	kVBoxTpGOpt_AssemblerOutputOpt,
2038	kVBoxTpGOpt_AssemblerOption,
2039	kVBoxTpGOpt_ProbeFnName,
2040	kVBoxTpGOpt_ProbeFnImported,
2041	kVBoxTpGOpt_End
2042	};
2043
2044	static RTGETOPTDEF const s_aOpts[] =
2045	{
2046	/* dtrace w/ long options */
2047	{ "-32", kVBoxTpGOpt_32Bit, RTGETOPT_REQ_NOTHING },
2048	{ "-64", kVBoxTpGOpt_64Bit, RTGETOPT_REQ_NOTHING },
2049	{ "--apply-cpp", 'C', RTGETOPT_REQ_NOTHING },
2050	{ "--generate-obj", 'G', RTGETOPT_REQ_NOTHING },
2051	{ "--generate-header", 'h', RTGETOPT_REQ_NOTHING },
2052	{ "--output", 'o', RTGETOPT_REQ_STRING },
2053	{ "--script", 's', RTGETOPT_REQ_STRING },
2054	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
2055	/* out stuff */
2056	{ "--assembler", kVBoxTpGOpt_Assembler, RTGETOPT_REQ_STRING },
2057	{ "--assembler-fmt-opt", kVBoxTpGOpt_AssemblerFmtOpt, RTGETOPT_REQ_STRING },
2058	{ "--assembler-fmt-val", kVBoxTpGOpt_AssemblerFmtVal, RTGETOPT_REQ_STRING },
2059	{ "--assembler-output-opt", kVBoxTpGOpt_AssemblerOutputOpt, RTGETOPT_REQ_STRING },
2060	{ "--assembler-option", kVBoxTpGOpt_AssemblerOption, RTGETOPT_REQ_STRING },
2061	{ "--probe-fn-name", kVBoxTpGOpt_ProbeFnName, RTGETOPT_REQ_STRING },
2062	{ "--probe-fn-imported", kVBoxTpGOpt_ProbeFnImported, RTGETOPT_REQ_BOOL },
2063	/** @todo We're missing a bunch of assembler options! */
2064	};
2065
2066	RTGETOPTUNION ValueUnion;
2067	RTGETOPTSTATE GetOptState;
2068	rc = RTGetOptInit(&GetOptState, argc, argv, &s_aOpts[0], RT_ELEMENTS(s_aOpts), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
2069	AssertReleaseRCReturn(rc, RTEXITCODE_FAILURE);
2070
2071	/*
2072	* Process \the options.
2073	*/
2074	while ((rc = RTGetOpt(&GetOptState, &ValueUnion)) != 0)
2075	{
2076	switch (rc)
2077	{
2078	/*
2079	* DTrace compatible options.
2080	*/
2081	case kVBoxTpGOpt_32Bit:
2082	g_cBits = 32;
2083	g_pszAssemblerFmtVal = g_szAssemblerFmtVal32;
2084	break;
2085
2086	case kVBoxTpGOpt_64Bit:
2087	g_cBits = 64;
2088	g_pszAssemblerFmtVal = g_szAssemblerFmtVal64;
2089	break;
2090
2091	case 'C':
2092	g_fApplyCpp = true;
2093	RTMsgWarning("Ignoring the -C option - no preprocessing of the D script will be performed");
2094	break;
2095
2096	case 'G':
2097	if ( g_enmAction != kVBoxTpGAction_Nothing
2098	&& g_enmAction != kVBoxTpGAction_GenerateObject)
2099	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "-G and -h does not mix");
2100	g_enmAction = kVBoxTpGAction_GenerateObject;
2101	break;
2102
2103	case 'h':
2104	if (!strcmp(GetOptState.pDef->pszLong, "--generate-header"))
2105	{
2106	if ( g_enmAction != kVBoxTpGAction_Nothing
2107	&& g_enmAction != kVBoxTpGAction_GenerateHeader)
2108	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "-h and -G does not mix");
2109	g_enmAction = kVBoxTpGAction_GenerateHeader;
2110	}
2111	else
2112	{
2113	/* --help or similar */
2114	RTPrintf("VirtualBox Tracepoint Generator\n"
2115	"\n"
2116	"Usage: %s [options]\n"
2117	"\n"
2118	"Options:\n", RTProcShortName());
2119	for (size_t i = 0; i < RT_ELEMENTS(s_aOpts); i++)
2120	if ((unsigned)s_aOpts[i].iShort < 128)
2121	RTPrintf(" -%c,%s\n", s_aOpts[i].iShort, s_aOpts[i].pszLong);
2122	else
2123	RTPrintf(" %s\n", s_aOpts[i].pszLong);
2124	return RTEXITCODE_SUCCESS;
2125	}
2126	break;
2127
2128	case 'o':
2129	if (g_pszOutput)
2130	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Output file is already set to '%s'", g_pszOutput);
2131	g_pszOutput = ValueUnion.psz;
2132	break;
2133
2134	case 's':
2135	if (g_pszScript)
2136	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Script file is already set to '%s'", g_pszScript);
2137	g_pszScript = ValueUnion.psz;
2138	break;
2139
2140	case 'v':
2141	g_cVerbosity++;
2142	break;
2143
2144	case 'V':
2145	{
2146	/* The following is assuming that svn does it's job here. */
2147	static const char s_szRev[] = "$Revision: 40878 $";
2148	const char *psz = RTStrStripL(strchr(s_szRev, ' '));
2149	RTPrintf("r%.*s\n", strchr(psz, ' ') - psz, psz);
2150	return RTEXITCODE_SUCCESS;
2151	}
2152
2153	case VINF_GETOPT_NOT_OPTION:
2154	if (g_enmAction == kVBoxTpGAction_GenerateObject)
2155	break; /* object files, ignore them. */
2156	return RTGetOptPrintError(rc, &ValueUnion);
2157
2158
2159	/*
2160	* Our options.
2161	*/
2162	case kVBoxTpGOpt_Assembler:
2163	g_pszAssembler = ValueUnion.psz;
2164	break;
2165
2166	case kVBoxTpGOpt_AssemblerFmtOpt:
2167	g_pszAssemblerFmtOpt = ValueUnion.psz;
2168	break;
2169
2170	case kVBoxTpGOpt_AssemblerFmtVal:
2171	g_pszAssemblerFmtVal = ValueUnion.psz;
2172	break;
2173
2174	case kVBoxTpGOpt_AssemblerOutputOpt:
2175	g_pszAssemblerOutputOpt = ValueUnion.psz;
2176	break;
2177
2178	case kVBoxTpGOpt_AssemblerOption:
2179	if (g_cAssemblerOptions >= RT_ELEMENTS(g_apszAssemblerOptions))
2180	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Too many assembly options (max %u)", RT_ELEMENTS(g_apszAssemblerOptions));
2181	g_apszAssemblerOptions[g_cAssemblerOptions] = ValueUnion.psz;
2182	g_cAssemblerOptions++;
2183	break;
2184
2185	case kVBoxTpGOpt_ProbeFnName:
2186	g_pszProbeFnName = ValueUnion.psz;
2187	break;
2188
2189	case kVBoxTpGOpt_ProbeFnImported:
2190	g_pszProbeFnName = ValueUnion.psz;
2191	break;
2192
2193	/*
2194	* Errors and bugs.
2195	*/
2196	default:
2197	return RTGetOptPrintError(rc, &ValueUnion);
2198	}
2199	}
2200
2201	/*
2202	* Check that we've got all we need.
2203	*/
2204	if (g_enmAction == kVBoxTpGAction_Nothing)
2205	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "No action specified (-h or -G)");
2206	if (!g_pszScript)
2207	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "No script file specified (-s)");
2208	if (!g_pszOutput)
2209	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "No output file specified (-o)");
2210
2211	return RTEXITCODE_SUCCESS;
2212	}
2213
2214
2215	int main(int argc, char **argv)
2216	{
2217	int rc = RTR3InitExe(argc, &argv, 0);
2218	if (RT_FAILURE(rc))
2219	return 1;
2220
2221	RTEXITCODE rcExit = parseArguments(argc, argv);
2222	if (rcExit == RTEXITCODE_SUCCESS)
2223	{
2224	/*
2225	* Parse the script.
2226	*/
2227	RTListInit(&g_ProviderHead);
2228	rcExit = parseScript(g_pszScript);
2229	if (rcExit == RTEXITCODE_SUCCESS)
2230	{
2231	/*
2232	* Take action.
2233	*/
2234	if (g_enmAction == kVBoxTpGAction_GenerateHeader)
2235	rcExit = generateHeader(g_pszOutput);
2236	else
2237	rcExit = generateObject(g_pszOutput, g_pszTempAsm);
2238	}
2239	}
2240
2241	if (rcExit == RTEXITCODE_SUCCESS && g_cTypeErrors > 0)
2242	rcExit = RTEXITCODE_FAILURE;
2243	return rcExit;
2244	}
2245

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source: vbox/trunk/src/bldprogs/VBoxTpG.cpp@ 40878

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