VBoxTpG.cpp@ 40887

Last change on this file since 40887 was 40887, checked in by vboxsync, 13 years ago
VBoxTpG: another bugfix in the arg list handling.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 83.0 KB

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1	/* $Id: VBoxTpG.cpp 40887 2012-04-12 00:31:45Z 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.215389.xyz. 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 40887 2012-04-12 00:31:45Z 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 %u ; fHaveLargeArgs\n"
611	" db 0, 0 ; Reserved\n"
612	, off, pProbe->cArgs, (int)pProbe->fHaveLargeArgs);
613	off += 4;
614	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
615	{
616	ScmStreamPrintf(pStrm,
617	" dd %6u ; type '%s' (name '%s')\n"
618	" dd 0%08xh ; type flags\n",
619	strtabGetOff(pArg->pszType), pArg->pszType, pArg->pszName,
620	pArg->fType);
621	off += 8;
622	}
623
624	/* Look for matching argument lists (lazy bird walks the whole list). */
625	PVTGPROVIDER pProv2;
626	RTListForEach(&g_ProviderHead, pProv2, VTGPROVIDER, ListEntry)
627	{
628	PVTGPROBE pProbe2;
629	RTListForEach(&pProvider->ProbeHead, pProbe2, VTGPROBE, ListEntry)
630	{
631	if (pProbe2->offArgList != UINT32_MAX)
632	continue;
633	if (pProbe2->cArgs != pProbe->cArgs)
634	continue;
635
636	PVTGARG pArg2;
637	pArg = RTListNodeGetNext(&pProbe->ArgHead, VTGARG, ListEntry);
638	pArg2 = RTListNodeGetNext(&pProbe2->ArgHead, VTGARG, ListEntry);
639	int32_t cArgs = pProbe->cArgs;
640	while ( cArgs-- > 0
641	&& pArg2->pszType == pArg->pszType
642	&& pArg2->fType == pArg->fType)
643	{
644	pArg = RTListNodeGetNext(&pArg->ListEntry, VTGARG, ListEntry);
645	pArg2 = RTListNodeGetNext(&pArg2->ListEntry, VTGARG, ListEntry);
646	}
647	if (cArgs >= 0)
648	continue;
649	pProbe2->offArgList = pProbe->offArgList;
650	}
651	}
652	}
653	}
654	ScmStreamPrintf(pStrm,
655	"VTG_GLOBAL g_aVTGArgLists_End, data\n");
656
657
658	/*
659	* Probe definitions.
660	*/
661	ScmStreamPrintf(pStrm,
662	"\n"
663	";\n"
664	"; Prob definitions.\n"
665	";\n"
666	"VTG_GLOBAL g_aVTGProbes, data\n"
667	"\n");
668	uint32_t iProvider = 0;
669	uint32_t iProbe = 0;
670	RTListForEach(&g_ProviderHead, pProvider, VTGPROVIDER, ListEntry)
671	{
672	pProvider->iFirstProbe = iProbe;
673	RTListForEach(&pProvider->ProbeHead, pProbe, VTGPROBE, ListEntry)
674	{
675	ScmStreamPrintf(pStrm,
676	"VTG_GLOBAL g_VTGProbeData_%s_%s, data ; idx=#%4u\n"
677	" dd %6u ; name\n"
678	" dd %6u ; Argument list offset\n"
679	" dw NAME(g_fVTGProbeEnabled_%s_%s) - NAME(g_afVTGProbeEnabled)\n"
680	" dw %6u ; provider index\n"
681	" dd 0 ; for the application\n"
682	,
683	pProvider->pszName, pProbe->pszMangledName, iProbe,
684	strtabGetOff(pProbe->pszUnmangledName),
685	pProbe->offArgList,
686	pProvider->pszName, pProbe->pszMangledName,
687	iProvider);
688	pProbe->iProbe = iProbe;
689	iProbe++;
690	}
691	pProvider->cProbes = iProbe - pProvider->iFirstProbe;
692	iProvider++;
693	}
694	ScmStreamPrintf(pStrm, "VTG_GLOBAL g_aVTGProbes_End, data\n");
695
696	/*
697	* The providers data.
698	*/
699	ScmStreamPrintf(pStrm,
700	"\n"
701	";\n"
702	"; Provider data.\n"
703	";\n"
704	"VTG_GLOBAL g_aVTGProviders, data\n");
705	iProvider = 0;
706	RTListForEach(&g_ProviderHead, pProvider, VTGPROVIDER, ListEntry)
707	{
708	ScmStreamPrintf(pStrm,
709	" ; idx=#%4u - %s\n"
710	" dd %6u ; name\n"
711	" dw %6u ; index of first probe\n"
712	" dw %6u ; count of probes\n"
713	" db %d, %d, %d ; AttrSelf\n"
714	" db %d, %d, %d ; AttrModules\n"
715	" db %d, %d, %d ; AttrFunctions\n"
716	" db %d, %d, %d ; AttrName\n"
717	" db %d, %d, %d ; AttrArguments\n"
718	" db 0 ; reserved\n"
719	,
720	iProvider, pProvider->pszName,
721	strtabGetOff(pProvider->pszName),
722	pProvider->iFirstProbe,
723	pProvider->cProbes,
724	pProvider->AttrSelf.enmCode, pProvider->AttrSelf.enmData, pProvider->AttrSelf.enmDataDep,
725	pProvider->AttrModules.enmCode, pProvider->AttrModules.enmData, pProvider->AttrModules.enmDataDep,
726	pProvider->AttrFunctions.enmCode, pProvider->AttrFunctions.enmData, pProvider->AttrFunctions.enmDataDep,
727	pProvider->AttrName.enmCode, pProvider->AttrName.enmData, pProvider->AttrName.enmDataDep,
728	pProvider->AttrArguments.enmCode, pProvider->AttrArguments.enmData, pProvider->AttrArguments.enmDataDep);
729	iProvider++;
730	}
731	ScmStreamPrintf(pStrm, "VTG_GLOBAL g_aVTGProviders_End, data\n");
732
733	/*
734	* Emit code for the stub functions.
735	*/
736	bool const fWin64 = g_cBits == 64 && (!strcmp(g_pszAssemblerFmtVal, "win64") \|\| !strcmp(g_pszAssemblerFmtVal, "pe64"));
737	bool const fMachO64 = g_cBits == 64 && !strcmp(g_pszAssemblerFmtVal, "macho64");
738	bool const fMachO32 = g_cBits == 32 && !strcmp(g_pszAssemblerFmtVal, "macho32");
739	ScmStreamPrintf(pStrm,
740	"\n"
741	";\n"
742	"; Prob stubs.\n"
743	";\n"
744	"BEGINCODE\n"
745	"extern %sNAME(%s)\n",
746	g_fProbeFnImported ? "IMP" : "",
747	g_pszProbeFnName);
748	if (fMachO64 && g_fProbeFnImported)
749	ScmStreamPrintf(pStrm,
750	"g_pfnVtgProbeFn:\n"
751	" dq NAME(%s)\n",
752	g_pszProbeFnName);
753
754	RTListForEach(&g_ProviderHead, pProvider, VTGPROVIDER, ListEntry)
755	{
756	RTListForEach(&pProvider->ProbeHead, pProbe, VTGPROBE, ListEntry)
757	{
758	ScmStreamPrintf(pStrm,
759	"\n"
760	"VTG_GLOBAL VTGProbeStub_%s_%s, function; (VBOXTPGPROBELOC pVTGProbeLoc",
761	pProvider->pszName, pProbe->pszMangledName);
762	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
763	{
764	ScmStreamPrintf(pStrm, ", %s %s", pArg->pszType, pArg->pszName);
765	}
766	ScmStreamPrintf(pStrm,
767	");\n");
768
769	/*
770	* Check if the probe in question is enabled.
771	*/
772	if (g_cBits == 32)
773	ScmStreamPrintf(pStrm,
774	" mov eax, [esp + 4]\n"
775	" test byte [eax+3], 0x80 ; fEnabled == true?\n"
776	" jz .return ; jump on false\n");
777	else if (fWin64)
778	ScmStreamPrintf(pStrm,
779	" test byte [rcx+3], 0x80 ; fEnabled == true?\n"
780	" jz .return ; jump on false\n");
781	else
782	ScmStreamPrintf(pStrm,
783	" test byte [rdi+3], 0x80 ; fEnabled == true?\n"
784	" jz .return ; jump on false\n");
785
786	/*
787	* Jump to the fire-probe function.
788	*/
789	if (g_cBits == 32)
790	ScmStreamPrintf(pStrm, g_fProbeFnImported ?
791	" mov ecx, IMP2(%s)\n"
792	" jmp ecx\n"
793	:
794	" jmp NAME(%s)\n"
795	, g_pszProbeFnName);
796	else if (fWin64)
797	ScmStreamPrintf(pStrm, g_fProbeFnImported ?
798	" mov rax, IMP2(%s)\n"
799	" jmp rax\n"
800	:
801	" jmp NAME(%s)\n"
802	, g_pszProbeFnName);
803	else if (fMachO64 && g_fProbeFnImported)
804	ScmStreamPrintf(pStrm,
805	" jmp [g_pfnVtgProbeFn wrt rip]\n");
806	else
807	ScmStreamPrintf(pStrm, g_fProbeFnImported ?
808	" lea rax, [IMP2(%s)]\n" //??? macho64?
809	" jmp rax\n"
810	:
811	" jmp NAME(%s)\n"
812	, g_pszProbeFnName);
813
814	ScmStreamPrintf(pStrm,
815	".return:\n"
816	" ret ; The probe was disabled, return\n"
817	"\n");
818	}
819	}
820
821	return RTEXITCODE_SUCCESS;
822	}
823
824
825	static RTEXITCODE generateObject(const char pszOutput, const char pszTempAsm)
826	{
827	if (!pszTempAsm)
828	{
829	size_t cch = strlen(pszOutput);
830	char psz = (char )alloca(cch + sizeof(".asm"));
831	memcpy(psz, pszOutput, cch);
832	memcpy(psz + cch, ".asm", sizeof(".asm"));
833	pszTempAsm = psz;
834	}
835
836	RTEXITCODE rcExit = generateFile(pszTempAsm, "assembly", generateAssembly);
837	if (rcExit == RTEXITCODE_SUCCESS)
838	rcExit = generateInvokeAssembler(pszOutput, pszTempAsm);
839	RTFileDelete(pszTempAsm);
840	return rcExit;
841	}
842
843
844	static RTEXITCODE generateProbeDefineName(char pszBuf, size_t cbBuf, const char pszProvider, const char *pszProbe)
845	{
846	size_t cbMax = strlen(pszProvider) + 1 + strlen(pszProbe) + 1;
847	if (cbMax > cbBuf \|\| cbMax > 80)
848	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Probe '%s' in provider '%s' ends up with a too long defined\n", pszProbe, pszProvider);
849
850	while (*pszProvider)
851	pszBuf++ = RT_C_TO_UPPER(pszProvider++);
852
853	*pszBuf++ = '_';
854
855	while (*pszProbe)
856	{
857	if (pszProbe[0] == '_' && pszProbe[1] == '_')
858	pszProbe++;
859	pszBuf++ = RT_C_TO_UPPER(pszProbe++);
860	}
861
862	*pszBuf = '\0';
863	return RTEXITCODE_SUCCESS;
864	}
865
866	static RTEXITCODE generateHeaderInner(PSCMSTREAM pStrm)
867	{
868	/*
869	* Calc the double inclusion blocker define and then write the file header.
870	*/
871	char szTmp[4096];
872	const char *pszName = RTPathFilename(g_pszScript);
873	size_t cchName = strlen(pszName);
874	if (cchName >= sizeof(szTmp) - 64)
875	return RTMsgErrorExit(RTEXITCODE_FAILURE, "File name is too long '%s'", pszName);
876	szTmp[0] = '_';
877	szTmp[1] = '_';
878	szTmp[2] = '_';
879	memcpy(&szTmp[3], pszName, cchName);
880	szTmp[3 + cchName + 0] = '_';
881	szTmp[3 + cchName + 1] = '_';
882	szTmp[3 + cchName + 2] = '_';
883	szTmp[3 + cchName + 3] = '\0';
884	char *psz = &szTmp[3];
885	while (*psz)
886	{
887	if (!RT_C_IS_ALNUM(psz) && psz != '_')
888	*psz = '_';
889	psz++;
890	}
891
892	ScmStreamPrintf(pStrm,
893	"/* $Id: VBoxTpG.cpp 40887 2012-04-12 00:31:45Z vboxsync $ */\n"
894	"/** @file\n"
895	" * Automatically generated from %s. Do NOT edit!\n"
896	" */\n"
897	"\n"
898	"#ifndef %s\n"
899	"#define %s\n"
900	"\n"
901	"#include <VBox/VBoxTpG.h>\n"
902	"\n"
903	"RT_C_DECLS_BEGIN\n"
904	"\n"
905	"#ifdef VBOX_WITH_DTRACE\n"
906	"\n"
907	"# ifdef _MSC_VER\n"
908	"# pragma data_seg(VTG_LOC_SECT)\n"
909	"# pragma data_seg()\n"
910	"# endif\n"
911	"\n"
912	,
913	g_pszScript,
914	szTmp,
915	szTmp);
916
917	/*
918	* Declare data, code and macros for each probe.
919	*/
920	PVTGPROVIDER pProv;
921	PVTGPROBE pProbe;
922	PVTGARG pArg;
923	RTListForEach(&g_ProviderHead, pProv, VTGPROVIDER, ListEntry)
924	{
925	RTListForEach(&pProv->ProbeHead, pProbe, VTGPROBE, ListEntry)
926	{
927	ScmStreamPrintf(pStrm,
928	"extern bool g_fVTGProbeEnabled_%s_%s;\n"
929	"extern uint8_t g_VTGProbeData_%s_%s;\n"
930	"DECLASM(void) VTGProbeStub_%s_%s(PVTGPROBELOC",
931	pProv->pszName, pProbe->pszMangledName,
932	pProv->pszName, pProbe->pszMangledName,
933	pProv->pszName, pProbe->pszMangledName);
934	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
935	{
936	ScmStreamPrintf(pStrm, ", %s", pArg->pszType);
937	}
938	generateProbeDefineName(szTmp, sizeof(szTmp), pProv->pszName, pProbe->pszMangledName);
939	ScmStreamPrintf(pStrm,
940	");\n"
941	"# define %s_ENABLED() \\\n"
942	" (RT_UNLIKELY(g_fVTGProbeEnabled_%s_%s)) \n"
943	"# define %s("
944	, szTmp,
945	pProv->pszName, pProbe->pszMangledName,
946	szTmp);
947	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
948	{
949	if (RTListNodeIsFirst(&pProbe->ArgHead, &pArg->ListEntry))
950	ScmStreamPrintf(pStrm, "%s", pArg->pszName);
951	else
952	ScmStreamPrintf(pStrm, ", %s", pArg->pszName);
953	}
954	ScmStreamPrintf(pStrm,
955	") \\\n"
956	" do { \\\n"
957	" if (RT_UNLIKELY(g_fVTGProbeEnabled_%s_%s)) \\\n"
958	" { \\\n"
959	" VTG_DECL_VTGPROBELOC(s_VTGProbeLoc) = \\\n"
960	" { __LINE__, 0, UINT32_MAX, __FUNCTION__, &g_VTGProbeData_%s_%s }; \\\n"
961	" VTGProbeStub_%s_%s(&s_VTGProbeLoc",
962	pProv->pszName, pProbe->pszMangledName,
963	pProv->pszName, pProbe->pszMangledName,
964	pProv->pszName, pProbe->pszMangledName);
965	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
966	{
967	ScmStreamPrintf(pStrm, ", %s", pArg->pszName);
968	}
969	ScmStreamPrintf(pStrm,
970	"); \\\n"
971	" } \\\n"
972	" { \\\n" );
973	uint32_t iArg = 0;
974	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
975	{
976	if (iArg < 5)
977	{
978	if (pArg->fType & VTG_TYPE_FIXED_SIZED)
979	ScmStreamPrintf(pStrm,
980	" /AssertCompile(sizeof(%s) <= sizeof(uint32_t));/ \\\n"
981	" /AssertCompile(sizeof(%s) <= sizeof(uint32_t));/ \\\n",
982	pArg->pszName,
983	pArg->pszType);
984	else
985	ScmStreamPrintf(pStrm,
986	" AssertCompile(sizeof(%s) <= sizeof(uintptr_t)); \\\n"
987	" AssertCompile(sizeof(%s) <= sizeof(uintptr_t)); \\\n",
988	pArg->pszName,
989	pArg->pszType);
990	}
991	iArg++;
992	}
993	ScmStreamPrintf(pStrm,
994	" } \\\n"
995	" } while (0)\n"
996	"\n");
997	}
998	}
999
1000	ScmStreamPrintf(pStrm,
1001	"\n"
1002	"#else\n"
1003	"\n");
1004	RTListForEach(&g_ProviderHead, pProv, VTGPROVIDER, ListEntry)
1005	{
1006	RTListForEach(&pProv->ProbeHead, pProbe, VTGPROBE, ListEntry)
1007	{
1008	generateProbeDefineName(szTmp, sizeof(szTmp), pProv->pszName, pProbe->pszMangledName);
1009	ScmStreamPrintf(pStrm,
1010	"# define %s_ENABLED() (false)\n"
1011	"# define %s("
1012	, szTmp, szTmp);
1013	RTListForEach(&pProbe->ArgHead, pArg, VTGARG, ListEntry)
1014	{
1015	if (RTListNodeIsFirst(&pProbe->ArgHead, &pArg->ListEntry))
1016	ScmStreamPrintf(pStrm, "%s", pArg->pszName);
1017	else
1018	ScmStreamPrintf(pStrm, ", %s", pArg->pszName);
1019	}
1020	ScmStreamPrintf(pStrm,
1021	") do { } while (0)\n");
1022	}
1023	}
1024
1025	ScmStreamWrite(pStrm, RT_STR_TUPLE("\n"
1026	"#endif\n"
1027	"\n"
1028	"RT_C_DECLS_END\n"
1029	"#endif\n"));
1030	return RTEXITCODE_SUCCESS;
1031	}
1032
1033
1034	static RTEXITCODE generateHeader(const char *pszHeader)
1035	{
1036	return generateFile(pszHeader, "header", generateHeaderInner);
1037	}
1038
1039	/**
1040	* If the given C word is at off - 1, return @c true and skip beyond it,
1041	* otherwise return @c false.
1042	*
1043	* @retval true if the given C-word is at the current position minus one char.
1044	* The stream position changes.
1045	* @retval false if not. The stream position is unchanged.
1046	*
1047	* @param pStream The stream.
1048	* @param cchWord The length of the word.
1049	* @param pszWord The word.
1050	*/
1051	bool ScmStreamCMatchingWordM1(PSCMSTREAM pStream, const char *pszWord, size_t cchWord)
1052	{
1053	/* Check stream state. */
1054	AssertReturn(!pStream->fWriteOrRead, false);
1055	AssertReturn(RT_SUCCESS(pStream->rc), false);
1056	AssertReturn(pStream->fFullyLineated, false);
1057
1058	/* Sufficient chars left on the line? */
1059	size_t const iLine = pStream->iLine;
1060	AssertReturn(pStream->off > pStream->paLines[iLine].off, false);
1061	size_t const cchLeft = pStream->paLines[iLine].cch + pStream->paLines[iLine].off - (pStream->off - 1);
1062	if (cchWord > cchLeft)
1063	return false;
1064
1065	/* Do they match? */
1066	const char *psz = &pStream->pch[pStream->off - 1];
1067	if (memcmp(psz, pszWord, cchWord))
1068	return false;
1069
1070	/* Is it the end of a C word? */
1071	if (cchWord < cchLeft)
1072	{
1073	psz += cchWord;
1074	if (RT_C_IS_ALNUM(psz) \|\| psz == '_')
1075	return false;
1076	}
1077
1078	/* Skip ahead. */
1079	pStream->off += cchWord - 1;
1080	return true;
1081	}
1082
1083	/**
1084	* Get's the C word starting at the current position.
1085	*
1086	* @returns Pointer to the word on success and the stream position advanced to
1087	* the end of it.
1088	* NULL on failure, stream position normally unchanged.
1089	* @param pStream The stream to get the C word from.
1090	* @param pcchWord Where to return the word length.
1091	*/
1092	const char ScmStreamCGetWord(PSCMSTREAM pStream, size_t pcchWord)
1093	{
1094	/* Check stream state. */
1095	AssertReturn(!pStream->fWriteOrRead, NULL);
1096	AssertReturn(RT_SUCCESS(pStream->rc), NULL);
1097	AssertReturn(pStream->fFullyLineated, NULL);
1098
1099	/* Get the number of chars left on the line and locate the current char. */
1100	size_t const iLine = pStream->iLine;
1101	size_t const cchLeft = pStream->paLines[iLine].cch + pStream->paLines[iLine].off - pStream->off;
1102	const char *psz = &pStream->pch[pStream->off];
1103
1104	/* Is it a leading C character. */
1105	if (!RT_C_IS_ALPHA(psz) && psz == '_')
1106	return NULL;
1107
1108	/* Find the end of the word. */
1109	char ch;
1110	size_t off = 1;
1111	while ( off < cchLeft
1112	&& ( (ch = psz[off]) == '_'
1113	\|\| RT_C_IS_ALNUM(ch)))
1114	off++;
1115
1116	pStream->off += off;
1117	*pcchWord = off;
1118	return psz;
1119	}
1120
1121
1122	/**
1123	* Get's the C word starting at the current position minus one.
1124	*
1125	* @returns Pointer to the word on success and the stream position advanced to
1126	* the end of it.
1127	* NULL on failure, stream position normally unchanged.
1128	* @param pStream The stream to get the C word from.
1129	* @param pcchWord Where to return the word length.
1130	*/
1131	const char ScmStreamCGetWordM1(PSCMSTREAM pStream, size_t pcchWord)
1132	{
1133	/* Check stream state. */
1134	AssertReturn(!pStream->fWriteOrRead, NULL);
1135	AssertReturn(RT_SUCCESS(pStream->rc), NULL);
1136	AssertReturn(pStream->fFullyLineated, NULL);
1137
1138	/* Get the number of chars left on the line and locate the current char. */
1139	size_t const iLine = pStream->iLine;
1140	size_t const cchLeft = pStream->paLines[iLine].cch + pStream->paLines[iLine].off - (pStream->off - 1);
1141	const char *psz = &pStream->pch[pStream->off - 1];
1142
1143	/* Is it a leading C character. */
1144	if (!RT_C_IS_ALPHA(psz) && psz == '_')
1145	return NULL;
1146
1147	/* Find the end of the word. */
1148	char ch;
1149	size_t off = 1;
1150	while ( off < cchLeft
1151	&& ( (ch = psz[off]) == '_'
1152	\|\| RT_C_IS_ALNUM(ch)))
1153	off++;
1154
1155	pStream->off += off - 1;
1156	*pcchWord = off;
1157	return psz;
1158	}
1159
1160
1161	/**
1162	* Parser error with line and position.
1163	*
1164	* @returns RTEXITCODE_FAILURE.
1165	* @param pStrm The stream.
1166	* @param cb The offset from the current position to the
1167	* point of failure.
1168	* @param pszMsg The message to display.
1169	*/
1170	static RTEXITCODE parseError(PSCMSTREAM pStrm, size_t cb, const char *pszMsg)
1171	{
1172	if (cb)
1173	ScmStreamSeekRelative(pStrm, -(ssize_t)cb);
1174	size_t const off = ScmStreamTell(pStrm);
1175	size_t const iLine = ScmStreamTellLine(pStrm);
1176	ScmStreamSeekByLine(pStrm, iLine);
1177	size_t const offLine = ScmStreamTell(pStrm);
1178
1179	RTPrintf("%s:%d:%zd: error: %s.\n", g_pszScript, iLine + 1, off - offLine + 1, pszMsg);
1180
1181	size_t cchLine;
1182	SCMEOL enmEof;
1183	const char *pszLine = ScmStreamGetLineByNo(pStrm, iLine, &cchLine, &enmEof);
1184	if (pszLine)
1185	RTPrintf(" %.*s\n"
1186	" %*s^\n",
1187	cchLine, pszLine, off - offLine, "");
1188	return RTEXITCODE_FAILURE;
1189	}
1190
1191
1192	/**
1193	* Parser error with line and position.
1194	*
1195	* @returns RTEXITCODE_FAILURE.
1196	* @param pStrm The stream.
1197	* @param cb The offset from the current position to the
1198	* point of failure.
1199	* @param pszMsg The message to display.
1200	*/
1201	static RTEXITCODE parseErrorAbs(PSCMSTREAM pStrm, size_t off, const char *pszMsg)
1202	{
1203	ScmStreamSeekAbsolute(pStrm, off);
1204	return parseError(pStrm, 0, pszMsg);
1205	}
1206
1207	/**
1208	* Handles a C++ one line comment.
1209	*
1210	* @returns Exit code.
1211	* @param pStrm The stream.
1212	*/
1213	static RTEXITCODE parseOneLineComment(PSCMSTREAM pStrm)
1214	{
1215	ScmStreamSeekByLine(pStrm, ScmStreamTellLine(pStrm) + 1);
1216	return RTEXITCODE_SUCCESS;
1217	}
1218
1219	/**
1220	* Handles a multi-line C/C++ comment.
1221	*
1222	* @returns Exit code.
1223	* @param pStrm The stream.
1224	*/
1225	static RTEXITCODE parseMultiLineComment(PSCMSTREAM pStrm)
1226	{
1227	unsigned ch;
1228	while ((ch = ScmStreamGetCh(pStrm)) != ~(unsigned)0)
1229	{
1230	if (ch == '*')
1231	{
1232	do
1233	ch = ScmStreamGetCh(pStrm);
1234	while (ch == '*');
1235	if (ch == '/')
1236	return RTEXITCODE_SUCCESS;
1237	}
1238	}
1239
1240	parseError(pStrm, 1, "Expected end of comment, got end of file");
1241	return RTEXITCODE_FAILURE;
1242	}
1243
1244
1245	/**
1246	* Skips spaces and comments.
1247	*
1248	* @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE.
1249	* @param pStrm The stream..
1250	*/
1251	static RTEXITCODE parseSkipSpacesAndComments(PSCMSTREAM pStrm)
1252	{
1253	unsigned ch;
1254	while ((ch = ScmStreamPeekCh(pStrm)) != ~(unsigned)0)
1255	{
1256	if (!RT_C_IS_SPACE(ch) && ch != '/')
1257	return RTEXITCODE_SUCCESS;
1258	unsigned ch2 = ScmStreamGetCh(pStrm); AssertBreak(ch == ch2); NOREF(ch2);
1259	if (ch == '/')
1260	{
1261	ch = ScmStreamGetCh(pStrm);
1262	RTEXITCODE rcExit;
1263	if (ch == '*')
1264	rcExit = parseMultiLineComment(pStrm);
1265	else if (ch == '/')
1266	rcExit = parseOneLineComment(pStrm);
1267	else
1268	rcExit = parseError(pStrm, 2, "Unexpected character");
1269	if (rcExit != RTEXITCODE_SUCCESS)
1270	return rcExit;
1271	}
1272	}
1273
1274	return parseError(pStrm, 0, "Unexpected end of file");
1275	}
1276
1277
1278	/**
1279	* Skips spaces and comments, returning the next character.
1280	*
1281	* @returns Next non-space-non-comment character. ~(unsigned)0 on EOF or
1282	* failure.
1283	* @param pStrm The stream.
1284	*/
1285	static unsigned parseGetNextNonSpaceNonCommentCh(PSCMSTREAM pStrm)
1286	{
1287	unsigned ch;
1288	while ((ch = ScmStreamGetCh(pStrm)) != ~(unsigned)0)
1289	{
1290	if (!RT_C_IS_SPACE(ch) && ch != '/')
1291	return ch;
1292	if (ch == '/')
1293	{
1294	ch = ScmStreamGetCh(pStrm);
1295	RTEXITCODE rcExit;
1296	if (ch == '*')
1297	rcExit = parseMultiLineComment(pStrm);
1298	else if (ch == '/')
1299	rcExit = parseOneLineComment(pStrm);
1300	else
1301	rcExit = parseError(pStrm, 2, "Unexpected character");
1302	if (rcExit != RTEXITCODE_SUCCESS)
1303	return ~(unsigned)0;
1304	}
1305	}
1306
1307	parseError(pStrm, 0, "Unexpected end of file");
1308	return ~(unsigned)0;
1309	}
1310
1311
1312	/**
1313	* Get the next non-space-non-comment character on a preprocessor line.
1314	*
1315	* @returns The next character. On error message and ~(unsigned)0.
1316	* @param pStrm The stream.
1317	*/
1318	static unsigned parseGetNextNonSpaceNonCommentChOnPpLine(PSCMSTREAM pStrm)
1319	{
1320	size_t off = ScmStreamTell(pStrm) - 1;
1321	unsigned ch;
1322	while ((ch = ScmStreamGetCh(pStrm)) != ~(unsigned)0)
1323	{
1324	if (RT_C_IS_SPACE(ch))
1325	{
1326	if (ch == '\n' \|\| ch == '\r')
1327	{
1328	parseErrorAbs(pStrm, off, "Invalid preprocessor statement");
1329	break;
1330	}
1331	}
1332	else if (ch == '\\')
1333	{
1334	size_t off2 = ScmStreamTell(pStrm) - 1;
1335	ch = ScmStreamGetCh(pStrm);
1336	if (ch == '\r')
1337	ch = ScmStreamGetCh(pStrm);
1338	if (ch != '\n')
1339	{
1340	parseErrorAbs(pStrm, off2, "Expected new line");
1341	break;
1342	}
1343	}
1344	else
1345	return ch;
1346	}
1347	return ~(unsigned)0;
1348	}
1349
1350
1351
1352	/**
1353	* Skips spaces and comments.
1354	*
1355	* @returns Same as ScmStreamCGetWord
1356	* @param pStrm The stream..
1357	* @param pcchWord Where to return the length.
1358	*/
1359	static const char parseGetNextCWord(PSCMSTREAM pStrm, size_t pcchWord)
1360	{
1361	if (parseSkipSpacesAndComments(pStrm) != RTEXITCODE_SUCCESS)
1362	return NULL;
1363	return ScmStreamCGetWord(pStrm, pcchWord);
1364	}
1365
1366
1367
1368	/**
1369	* Parses interface stability.
1370	*
1371	* @returns Interface stability if parsed correctly, otherwise error message and
1372	* kVTGStability_Invalid.
1373	* @param pStrm The stream.
1374	* @param ch The first character in the stability spec.
1375	*/
1376	static kVTGStability parseStability(PSCMSTREAM pStrm, unsigned ch)
1377	{
1378	switch (ch)
1379	{
1380	case 'E':
1381	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("External")))
1382	return kVTGStability_External;
1383	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Evolving")))
1384	return kVTGStability_Evolving;
1385	break;
1386	case 'I':
1387	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Internal")))
1388	return kVTGStability_Internal;
1389	break;
1390	case 'O':
1391	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Obsolete")))
1392	return kVTGStability_Obsolete;
1393	break;
1394	case 'P':
1395	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Private")))
1396	return kVTGStability_Private;
1397	break;
1398	case 'S':
1399	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Stable")))
1400	return kVTGStability_Stable;
1401	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Standard")))
1402	return kVTGStability_Standard;
1403	break;
1404	case 'U':
1405	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Unstable")))
1406	return kVTGStability_Unstable;
1407	break;
1408	}
1409	parseError(pStrm, 1, "Unknown stability specifier");
1410	return kVTGStability_Invalid;
1411	}
1412
1413
1414	/**
1415	* Parses data depndency class.
1416	*
1417	* @returns Data dependency class if parsed correctly, otherwise error message
1418	* and kVTGClass_Invalid.
1419	* @param pStrm The stream.
1420	* @param ch The first character in the stability spec.
1421	*/
1422	static kVTGClass parseDataDepClass(PSCMSTREAM pStrm, unsigned ch)
1423	{
1424	switch (ch)
1425	{
1426	case 'C':
1427	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Common")))
1428	return kVTGClass_Common;
1429	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Cpu")))
1430	return kVTGClass_Cpu;
1431	break;
1432	case 'G':
1433	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Group")))
1434	return kVTGClass_Group;
1435	break;
1436	case 'I':
1437	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Isa")))
1438	return kVTGClass_Isa;
1439	break;
1440	case 'P':
1441	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Platform")))
1442	return kVTGClass_Platform;
1443	break;
1444	case 'U':
1445	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("Unknown")))
1446	return kVTGClass_Unknown;
1447	break;
1448	}
1449	parseError(pStrm, 1, "Unknown data dependency class specifier");
1450	return kVTGClass_Invalid;
1451	}
1452
1453	/**
1454	* Parses a pragma D attributes statement.
1455	*
1456	* @returns Suitable exit code, errors message already written on failure.
1457	* @param pStrm The stream.
1458	*/
1459	static RTEXITCODE parsePragmaDAttributes(PSCMSTREAM pStrm)
1460	{
1461	/*
1462	* "CodeStability/DataStability/DataDepClass" - no spaces allowed.
1463	*/
1464	unsigned ch = parseGetNextNonSpaceNonCommentChOnPpLine(pStrm);
1465	if (ch == ~(unsigned)0)
1466	return RTEXITCODE_FAILURE;
1467
1468	kVTGStability enmCode = parseStability(pStrm, ch);
1469	if (enmCode == kVTGStability_Invalid)
1470	return RTEXITCODE_FAILURE;
1471	ch = ScmStreamGetCh(pStrm);
1472	if (ch != '/')
1473	return parseError(pStrm, 1, "Expected '/' following the code stability specifier");
1474
1475	kVTGStability enmData = parseStability(pStrm, ScmStreamGetCh(pStrm));
1476	if (enmData == kVTGStability_Invalid)
1477	return RTEXITCODE_FAILURE;
1478	ch = ScmStreamGetCh(pStrm);
1479	if (ch != '/')
1480	return parseError(pStrm, 1, "Expected '/' following the data stability specifier");
1481
1482	kVTGClass enmDataDep = parseDataDepClass(pStrm, ScmStreamGetCh(pStrm));
1483	if (enmDataDep == kVTGClass_Invalid)
1484	return RTEXITCODE_FAILURE;
1485
1486	/*
1487	* Expecting 'provider' followed by the name of an provider defined earlier.
1488	*/
1489	ch = parseGetNextNonSpaceNonCommentChOnPpLine(pStrm);
1490	if (ch == ~(unsigned)0)
1491	return RTEXITCODE_FAILURE;
1492	if (ch != 'p' \|\| !ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("provider")))
1493	return parseError(pStrm, 1, "Expected 'provider'");
1494
1495	size_t cchName;
1496	const char *pszName = parseGetNextCWord(pStrm, &cchName);
1497	if (!pszName)
1498	return parseError(pStrm, 1, "Expected provider name");
1499
1500	PVTGPROVIDER pProv;
1501	RTListForEach(&g_ProviderHead, pProv, VTGPROVIDER, ListEntry)
1502	{
1503	if ( !strncmp(pProv->pszName, pszName, cchName)
1504	&& pProv->pszName[cchName] == '\0')
1505	break;
1506	}
1507	if (RTListNodeIsDummy(&g_ProviderHead, pProv, VTGPROVIDER, ListEntry))
1508	return parseError(pStrm, cchName, "Provider not found");
1509
1510	/*
1511	* Which aspect of the provider?
1512	*/
1513	size_t cchAspect;
1514	const char *pszAspect = parseGetNextCWord(pStrm, &cchAspect);
1515	if (!pszAspect)
1516	return parseError(pStrm, 1, "Expected provider aspect");
1517
1518	PVTGATTRS pAttrs;
1519	if (cchAspect == 8 && !memcmp(pszAspect, "provider", 8))
1520	pAttrs = &pProv->AttrSelf;
1521	else if (cchAspect == 8 && !memcmp(pszAspect, "function", 8))
1522	pAttrs = &pProv->AttrFunctions;
1523	else if (cchAspect == 6 && !memcmp(pszAspect, "module", 6))
1524	pAttrs = &pProv->AttrModules;
1525	else if (cchAspect == 4 && !memcmp(pszAspect, "name", 4))
1526	pAttrs = &pProv->AttrName;
1527	else if (cchAspect == 4 && !memcmp(pszAspect, "args", 4))
1528	pAttrs = &pProv->AttrArguments;
1529	else
1530	return parseError(pStrm, cchAspect, "Unknown aspect");
1531
1532	if (pAttrs->enmCode != kVTGStability_Invalid)
1533	return parseError(pStrm, cchAspect, "You have already specified these attributes");
1534
1535	pAttrs->enmCode = enmCode;
1536	pAttrs->enmData = enmData;
1537	pAttrs->enmDataDep = enmDataDep;
1538	return RTEXITCODE_SUCCESS;
1539	}
1540
1541	/**
1542	* Parses a D pragma statement.
1543	*
1544	* @returns Suitable exit code, errors message already written on failure.
1545	* @param pStrm The stream.
1546	*/
1547	static RTEXITCODE parsePragma(PSCMSTREAM pStrm)
1548	{
1549	RTEXITCODE rcExit;
1550	unsigned ch = parseGetNextNonSpaceNonCommentChOnPpLine(pStrm);
1551	if (ch == ~(unsigned)0)
1552	rcExit = RTEXITCODE_FAILURE;
1553	else if (ch == 'D' && ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("D")))
1554	{
1555	ch = parseGetNextNonSpaceNonCommentChOnPpLine(pStrm);
1556	if (ch == ~(unsigned)0)
1557	rcExit = RTEXITCODE_FAILURE;
1558	else if (ch == 'a' && ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("attributes")))
1559	rcExit = parsePragmaDAttributes(pStrm);
1560	else
1561	rcExit = parseError(pStrm, 1, "Unknown pragma D");
1562	}
1563	else
1564	rcExit = parseError(pStrm, 1, "Unknown pragma");
1565	return rcExit;
1566	}
1567
1568
1569	/**
1570	* Classifies the given type expression.
1571	*
1572	* @return Type flags.
1573	* @param pszType The type expression.
1574	*/
1575	static uint32_t parseTypeExpression(const char *pszType)
1576	{
1577	size_t cchType = strlen(pszType);
1578	#define MY_STRMATCH(a_sz) (cchType == sizeof(a_sz) - 1 && !memcmp(a_sz, pszType, sizeof(a_sz) - 1))
1579
1580	/*
1581	* Try detect pointers.
1582	*/
1583	if (pszType[cchType - 1] == '*') return VTG_TYPE_POINTER;
1584	if (pszType[cchType - 1] == '&')
1585	{
1586	RTMsgWarning("Please avoid using references like '%s' for probe arguments!", pszType);
1587	return VTG_TYPE_POINTER;
1588	}
1589
1590	/*
1591	* Standard integer types and IPRT variants.
1592	* It's important that we catch all types larger than 32-bit here or we'll
1593	* screw up the probe argument handling.
1594	*/
1595	if (MY_STRMATCH("int")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_SIGNED;
1596	if (MY_STRMATCH("uintptr_t")) return VTG_TYPE_HC_ARCH_SIZED \| VTG_TYPE_UNSIGNED;
1597	if (MY_STRMATCH("intptr_t")) return VTG_TYPE_HC_ARCH_SIZED \| VTG_TYPE_SIGNED;
1598
1599	//if (MY_STRMATCH("uint128_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint128_t) \| VTG_TYPE_UNSIGNED;
1600	if (MY_STRMATCH("uint64_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint64_t) \| VTG_TYPE_UNSIGNED;
1601	if (MY_STRMATCH("uint32_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint32_t) \| VTG_TYPE_UNSIGNED;
1602	if (MY_STRMATCH("uint16_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint16_t) \| VTG_TYPE_UNSIGNED;
1603	if (MY_STRMATCH("uint8_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint8_t) \| VTG_TYPE_UNSIGNED;
1604
1605	//if (MY_STRMATCH("int128_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int128_t) \| VTG_TYPE_SIGNED;
1606	if (MY_STRMATCH("int64_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int64_t) \| VTG_TYPE_SIGNED;
1607	if (MY_STRMATCH("int32_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int32_t) \| VTG_TYPE_SIGNED;
1608	if (MY_STRMATCH("int16_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int16_t) \| VTG_TYPE_SIGNED;
1609	if (MY_STRMATCH("int8_t")) return VTG_TYPE_FIXED_SIZED \| sizeof(int8_t) \| VTG_TYPE_SIGNED;
1610
1611	if (MY_STRMATCH("RTUINT64U")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint64_t) \| VTG_TYPE_UNSIGNED;
1612	if (MY_STRMATCH("RTUINT32U")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint32_t) \| VTG_TYPE_UNSIGNED;
1613	if (MY_STRMATCH("RTUINT16U")) return VTG_TYPE_FIXED_SIZED \| sizeof(uint16_t) \| VTG_TYPE_UNSIGNED;
1614
1615	if (MY_STRMATCH("RTMSINTERVAL")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTMSINTERVAL) \| VTG_TYPE_UNSIGNED;
1616	if (MY_STRMATCH("RTTIMESPEC")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTTIMESPEC) \| VTG_TYPE_SIGNED;
1617	if (MY_STRMATCH("RTPROCESS")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTPROCESS) \| VTG_TYPE_UNSIGNED;
1618	if (MY_STRMATCH("RTHCPHYS")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTHCPHYS) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_PHYS;
1619
1620	if (MY_STRMATCH("RTR3PTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3;
1621	if (MY_STRMATCH("RTR0PTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R0;
1622	if (MY_STRMATCH("RTRCPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_RC;
1623	if (MY_STRMATCH("RTHCPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0;
1624
1625	if (MY_STRMATCH("RTR3UINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_UNSIGNED;
1626	if (MY_STRMATCH("RTR0UINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R0 \| VTG_TYPE_UNSIGNED;
1627	if (MY_STRMATCH("RTRCUINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_RC \| VTG_TYPE_UNSIGNED;
1628	if (MY_STRMATCH("RTHCUINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_UNSIGNED;
1629
1630	if (MY_STRMATCH("RTR3INTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_SIGNED;
1631	if (MY_STRMATCH("RTR0INTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R0 \| VTG_TYPE_SIGNED;
1632	if (MY_STRMATCH("RTRCINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_RC \| VTG_TYPE_SIGNED;
1633	if (MY_STRMATCH("RTHCINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_SIGNED;
1634
1635	if (MY_STRMATCH("RTUINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_CTX_RC \| VTG_TYPE_UNSIGNED;
1636	if (MY_STRMATCH("RTINTPTR")) return VTG_TYPE_CTX_POINTER \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_CTX_RC \| VTG_TYPE_SIGNED;
1637
1638	if (MY_STRMATCH("RTHCUINTREG")) return VTG_TYPE_HC_ARCH_SIZED \| VTG_TYPE_CTX_R3 \| VTG_TYPE_CTX_R0 \| VTG_TYPE_UNSIGNED;
1639	if (MY_STRMATCH("RTR3UINTREG")) return VTG_TYPE_HC_ARCH_SIZED \| VTG_TYPE_CTX_R3 \| VTG_TYPE_UNSIGNED;
1640	if (MY_STRMATCH("RTR0UINTREG")) return VTG_TYPE_HC_ARCH_SIZED \| VTG_TYPE_CTX_R3 \| VTG_TYPE_UNSIGNED;
1641
1642	if (MY_STRMATCH("RTGCUINTREG")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCUINTREG) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_CTX_GST;
1643	if (MY_STRMATCH("RTGCPTR")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPTR) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_CTX_GST;
1644	if (MY_STRMATCH("RTGCINTPTR")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCUINTPTR) \| VTG_TYPE_SIGNED \| VTG_TYPE_CTX_GST;
1645	if (MY_STRMATCH("RTGCPTR32")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPTR32) \| VTG_TYPE_SIGNED \| VTG_TYPE_CTX_GST;
1646	if (MY_STRMATCH("RTGCPTR64")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPTR64) \| VTG_TYPE_SIGNED \| VTG_TYPE_CTX_GST;
1647	if (MY_STRMATCH("RTGCPHYS")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPHYS) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_PHYS \| VTG_TYPE_CTX_GST;
1648	if (MY_STRMATCH("RTGCPHYS32")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPHYS32) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_PHYS \| VTG_TYPE_CTX_GST;
1649	if (MY_STRMATCH("RTGCPHYS64")) return VTG_TYPE_FIXED_SIZED \| sizeof(RTGCPHYS64) \| VTG_TYPE_UNSIGNED \| VTG_TYPE_PHYS \| VTG_TYPE_CTX_GST;
1650
1651	/*
1652	* The special VBox types.
1653	*/
1654	if (MY_STRMATCH("PVM")) return VTG_TYPE_CTX_POINTER;
1655	if (MY_STRMATCH("PVMCPU")) return VTG_TYPE_CTX_POINTER;
1656
1657	/*
1658	* Preaching time.
1659	*/
1660	if ( MY_STRMATCH("unsigned long")
1661	\|\| MY_STRMATCH("unsigned long long")
1662	\|\| MY_STRMATCH("signed long")
1663	\|\| MY_STRMATCH("signed long long")
1664	\|\| MY_STRMATCH("long")
1665	\|\| MY_STRMATCH("long long")
1666	\|\| MY_STRMATCH("char")
1667	\|\| MY_STRMATCH("signed char")
1668	\|\| MY_STRMATCH("unsigned char")
1669	\|\| MY_STRMATCH("double")
1670	\|\| MY_STRMATCH("long double")
1671	\|\| MY_STRMATCH("float")
1672	)
1673	{
1674	RTMsgError("Please do NOT use the type '%s' for probe arguments!", pszType);
1675	g_cTypeErrors++;
1676	return 0;
1677	}
1678
1679	if ( MY_STRMATCH("unsigned")
1680	\|\| MY_STRMATCH("signed")
1681	\|\| MY_STRMATCH("signed int")
1682	\|\| MY_STRMATCH("unsigned int")
1683	\|\| MY_STRMATCH("short")
1684	\|\| MY_STRMATCH("signed short")
1685	\|\| MY_STRMATCH("unsigned short")
1686	)
1687	RTMsgWarning("Please avoid using the type '%s' for probe arguments!", pszType);
1688	if (MY_STRMATCH("unsigned")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_UNSIGNED;
1689	if (MY_STRMATCH("unsigned int")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_UNSIGNED;
1690	if (MY_STRMATCH("signed")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_SIGNED;
1691	if (MY_STRMATCH("signed int")) return VTG_TYPE_FIXED_SIZED \| sizeof(int) \| VTG_TYPE_SIGNED;
1692	if (MY_STRMATCH("short")) return VTG_TYPE_FIXED_SIZED \| sizeof(short) \| VTG_TYPE_SIGNED;
1693	if (MY_STRMATCH("signed short")) return VTG_TYPE_FIXED_SIZED \| sizeof(short) \| VTG_TYPE_SIGNED;
1694	if (MY_STRMATCH("unsigned short")) return VTG_TYPE_FIXED_SIZED \| sizeof(short) \| VTG_TYPE_UNSIGNED;
1695
1696	/*
1697	* What we haven't caught by now is either unknown to us or wrong.
1698	*/
1699	if (pszType[0] == 'P')
1700	{
1701	RTMsgError("Type '%s' looks like a pointer typedef, please do NOT use those "
1702	"but rather the non-pointer typedef or struct with '*'",
1703	pszType);
1704	g_cTypeErrors++;
1705	return VTG_TYPE_POINTER;
1706	}
1707
1708	RTMsgError("Don't know '%s' - please change or fix VBoxTpG", pszType);
1709	g_cTypeErrors++;
1710
1711	#undef MY_STRCMP
1712	return 0;
1713	}
1714
1715
1716	/**
1717	* Unmangles the probe name.
1718	*
1719	* This involves translating double underscore to dash.
1720	*
1721	* @returns Pointer to the unmangled name in the string table.
1722	* @param pszMangled The mangled name.
1723	*/
1724	static const char parseUnmangleProbeName(const char pszMangled)
1725	{
1726	size_t cchMangled = strlen(pszMangled);
1727	char pszTmp = (char )alloca(cchMangled + 2);
1728	const char *pszSrc = pszMangled;
1729	char *pszDst = pszTmp;
1730
1731	while (*pszSrc)
1732	{
1733	if (pszSrc[0] == '_' && pszSrc[1] == '_' && pszSrc[2] != '_')
1734	{
1735	*pszDst++ = '-';
1736	pszSrc += 2;
1737	}
1738	else
1739	pszDst++ = pszSrc++;
1740	}
1741	*pszDst = '\0';
1742
1743	return strtabInsertN(pszTmp, pszDst - pszTmp);
1744	}
1745
1746
1747	/**
1748	* Parses a D probe statement.
1749	*
1750	* @returns Suitable exit code, errors message already written on failure.
1751	* @param pStrm The stream.
1752	* @param pProv The provider being parsed.
1753	*/
1754	static RTEXITCODE parseProbe(PSCMSTREAM pStrm, PVTGPROVIDER pProv)
1755	{
1756	/*
1757	* Next up is a name followed by an opening parenthesis.
1758	*/
1759	size_t cchProbe;
1760	const char *pszProbe = parseGetNextCWord(pStrm, &cchProbe);
1761	if (!pszProbe)
1762	return parseError(pStrm, 1, "Expected a probe name starting with an alphabetical character");
1763	unsigned ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1764	if (ch != '(')
1765	return parseError(pStrm, 1, "Expected '(' after the probe name");
1766
1767	/*
1768	* Create a probe instance.
1769	*/
1770	PVTGPROBE pProbe = (PVTGPROBE)RTMemAllocZ(sizeof(*pProbe));
1771	if (!pProbe)
1772	return parseError(pStrm, 0, "Out of memory");
1773	RTListInit(&pProbe->ArgHead);
1774	RTListAppend(&pProv->ProbeHead, &pProbe->ListEntry);
1775	pProbe->offArgList = UINT32_MAX;
1776	pProbe->pszMangledName = RTStrDupN(pszProbe, cchProbe);
1777	if (!pProbe->pszMangledName)
1778	return parseError(pStrm, 0, "Out of memory");
1779	pProbe->pszUnmangledName = parseUnmangleProbeName(pProbe->pszMangledName);
1780	if (!pProbe->pszUnmangledName)
1781	return parseError(pStrm, 0, "Out of memory");
1782
1783	/*
1784	* Parse loop for the argument.
1785	*/
1786	PVTGARG pArg = NULL;
1787	size_t cchName = 0;
1788	size_t cchArg = 0;
1789	char szArg[4096];
1790	for (;;)
1791	{
1792	ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1793	switch (ch)
1794	{
1795	case ')':
1796	case ',':
1797	{
1798	/* commit the argument */
1799	if (pArg)
1800	{
1801	if (!cchName)
1802	return parseError(pStrm, 1, "Argument has no name");
1803	if (cchArg - cchName - 1 >= 128)
1804	return parseError(pStrm, 1, "Argument type too long");
1805	pArg->pszType = strtabInsertN(szArg, cchArg - cchName - 1);
1806	pArg->pszName = RTStrDupN(&szArg[cchArg - cchName], cchName);
1807	if (!pArg->pszType \|\| !pArg->pszName)
1808	return parseError(pStrm, 1, "Out of memory");
1809	pArg->fType = parseTypeExpression(pArg->pszType);
1810	if (VTG_TYPE_IS_LARGE(pArg->fType))
1811	pProbe->fHaveLargeArgs = true;
1812
1813	pArg = NULL;
1814	cchName = cchArg = 0;
1815	}
1816	if (ch == ')')
1817	{
1818	size_t off = ScmStreamTell(pStrm);
1819	ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1820	if (ch != ';')
1821	return parseErrorAbs(pStrm, off, "Expected ';'");
1822	return RTEXITCODE_SUCCESS;
1823	}
1824	break;
1825	}
1826
1827	default:
1828	{
1829	size_t cchWord;
1830	const char *pszWord = ScmStreamCGetWordM1(pStrm, &cchWord);
1831	if (!pszWord)
1832	return parseError(pStrm, 0, "Expected argument");
1833	if (!pArg)
1834	{
1835	pArg = (PVTGARG)RTMemAllocZ(sizeof(*pArg));
1836	if (!pArg)
1837	return parseError(pStrm, 1, "Out of memory");
1838	RTListAppend(&pProbe->ArgHead, &pArg->ListEntry);
1839	pProbe->cArgs++;
1840
1841	if (cchWord + 1 > sizeof(szArg))
1842	return parseError(pStrm, 1, "Too long parameter declaration");
1843	memcpy(szArg, pszWord, cchWord);
1844	szArg[cchWord] = '\0';
1845	cchArg = cchWord;
1846	cchName = 0;
1847	}
1848	else
1849	{
1850	if (cchArg + 1 + cchWord + 1 > sizeof(szArg))
1851	return parseError(pStrm, 1, "Too long parameter declaration");
1852
1853	szArg[cchArg++] = ' ';
1854	memcpy(&szArg[cchArg], pszWord, cchWord);
1855	cchArg += cchWord;
1856	szArg[cchArg] = '\0';
1857	cchName = cchWord;
1858	}
1859	break;
1860	}
1861
1862	case '*':
1863	{
1864	if (!pArg)
1865	return parseError(pStrm, 1, "A parameter type does not start with an asterix");
1866	if (cchArg + sizeof(" *") >= sizeof(szArg))
1867	return parseError(pStrm, 1, "Too long parameter declaration");
1868	szArg[cchArg++] = ' ';
1869	szArg[cchArg++] = '*';
1870	szArg[cchArg ] = '\0';
1871	cchName = 0;
1872	break;
1873	}
1874
1875	case ~(unsigned)0:
1876	return parseError(pStrm, 0, "Missing closing ')' on probe");
1877	}
1878	}
1879	}
1880
1881	/**
1882	* Parses a D provider statement.
1883	*
1884	* @returns Suitable exit code, errors message already written on failure.
1885	* @param pStrm The stream.
1886	*/
1887	static RTEXITCODE parseProvider(PSCMSTREAM pStrm)
1888	{
1889	/*
1890	* Next up is a name followed by a curly bracket. Ignore comments.
1891	*/
1892	RTEXITCODE rcExit = parseSkipSpacesAndComments(pStrm);
1893	if (rcExit != RTEXITCODE_SUCCESS)
1894	return parseError(pStrm, 1, "Expected a provider name starting with an alphabetical character");
1895	size_t cchName;
1896	const char *pszName = ScmStreamCGetWord(pStrm, &cchName);
1897	if (!pszName)
1898	return parseError(pStrm, 0, "Bad provider name");
1899	if (RT_C_IS_DIGIT(pszName[cchName - 1]))
1900	return parseError(pStrm, 1, "A provider name cannot end with digit");
1901
1902	unsigned ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1903	if (ch != '{')
1904	return parseError(pStrm, 1, "Expected '{' after the provider name");
1905
1906	/*
1907	* Create a provider instance.
1908	*/
1909	PVTGPROVIDER pProv = (PVTGPROVIDER)RTMemAllocZ(sizeof(*pProv));
1910	if (!pProv)
1911	return parseError(pStrm, 0, "Out of memory");
1912	RTListInit(&pProv->ProbeHead);
1913	RTListAppend(&g_ProviderHead, &pProv->ListEntry);
1914	pProv->pszName = strtabInsertN(pszName, cchName);
1915	if (!pProv->pszName)
1916	return parseError(pStrm, 0, "Out of memory");
1917
1918	/*
1919	* Parse loop.
1920	*/
1921	for (;;)
1922	{
1923	ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1924	switch (ch)
1925	{
1926	case 'p':
1927	if (ScmStreamCMatchingWordM1(pStrm, RT_STR_TUPLE("probe")))
1928	rcExit = parseProbe(pStrm, pProv);
1929	else
1930	rcExit = parseError(pStrm, 1, "Unexpected character");
1931	break;
1932
1933	case '}':
1934	{
1935	size_t off = ScmStreamTell(pStrm);
1936	ch = parseGetNextNonSpaceNonCommentCh(pStrm);
1937	if (ch == ';')
1938	return RTEXITCODE_SUCCESS;
1939	rcExit = parseErrorAbs(pStrm, off, "Expected ';'");
1940	break;
1941	}
1942
1943	case ~(unsigned)0:
1944	rcExit = parseError(pStrm, 0, "Missing closing '}' on provider");
1945	break;
1946
1947	default:
1948	rcExit = parseError(pStrm, 1, "Unexpected character");
1949	break;
1950	}
1951	if (rcExit != RTEXITCODE_SUCCESS)
1952	return rcExit;
1953	}
1954	}
1955
1956
1957	static RTEXITCODE parseScript(const char *pszScript)
1958	{
1959	SCMSTREAM Strm;
1960	int rc = ScmStreamInitForReading(&Strm, pszScript);
1961	if (RT_FAILURE(rc))
1962	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to open & read '%s' into memory: %Rrc", pszScript, rc);
1963	if (g_cVerbosity > 0)
1964	RTMsgInfo("Parsing '%s'...", pszScript);
1965
1966	RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
1967	unsigned ch;
1968	while ((ch = ScmStreamGetCh(&Strm)) != ~(unsigned)0)
1969	{
1970	if (RT_C_IS_SPACE(ch))
1971	continue;
1972	switch (ch)
1973	{
1974	case '/':
1975	ch = ScmStreamGetCh(&Strm);
1976	if (ch == '*')
1977	rcExit = parseMultiLineComment(&Strm);
1978	else if (ch == '/')
1979	rcExit = parseOneLineComment(&Strm);
1980	else
1981	rcExit = parseError(&Strm, 2, "Unexpected character");
1982	break;
1983
1984	case 'p':
1985	if (ScmStreamCMatchingWordM1(&Strm, RT_STR_TUPLE("provider")))
1986	rcExit = parseProvider(&Strm);
1987	else
1988	rcExit = parseError(&Strm, 1, "Unexpected character");
1989	break;
1990
1991	case '#':
1992	{
1993	ch = parseGetNextNonSpaceNonCommentChOnPpLine(&Strm);
1994	if (ch == ~(unsigned)0)
1995	rcExit = RTEXITCODE_FAILURE;
1996	else if (ch == 'p' && ScmStreamCMatchingWordM1(&Strm, RT_STR_TUPLE("pragma")))
1997	rcExit = parsePragma(&Strm);
1998	else
1999	rcExit = parseError(&Strm, 1, "Unsupported preprocessor directive");
2000	break;
2001	}
2002
2003	default:
2004	rcExit = parseError(&Strm, 1, "Unexpected character");
2005	break;
2006	}
2007	if (rcExit != RTEXITCODE_SUCCESS)
2008	return rcExit;
2009	}
2010
2011	ScmStreamDelete(&Strm);
2012	if (g_cVerbosity > 0 && rcExit == RTEXITCODE_SUCCESS)
2013	RTMsgInfo("Successfully parsed '%s'.", pszScript);
2014	return rcExit;
2015	}
2016
2017
2018	/**
2019	* Parses the arguments.
2020	*/
2021	static RTEXITCODE parseArguments(int argc, char **argv)
2022	{
2023	/*
2024	* Set / Adjust defaults.
2025	*/
2026	int rc = RTPathAbs(g_pszAssemblerIncVal, g_szAssemblerIncVal, sizeof(g_szAssemblerIncVal) - 1);
2027	if (RT_FAILURE(rc))
2028	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTPathAbs failed: %Rrc", rc);
2029	strcat(g_szAssemblerIncVal, "/");
2030	g_pszAssemblerIncVal = g_szAssemblerIncVal;
2031
2032	/*
2033	* Option config.
2034	*/
2035	enum
2036	{
2037	kVBoxTpGOpt_32Bit = 1000,
2038	kVBoxTpGOpt_64Bit,
2039	kVBoxTpGOpt_Assembler,
2040	kVBoxTpGOpt_AssemblerFmtOpt,
2041	kVBoxTpGOpt_AssemblerFmtVal,
2042	kVBoxTpGOpt_AssemblerOutputOpt,
2043	kVBoxTpGOpt_AssemblerOption,
2044	kVBoxTpGOpt_ProbeFnName,
2045	kVBoxTpGOpt_ProbeFnImported,
2046	kVBoxTpGOpt_End
2047	};
2048
2049	static RTGETOPTDEF const s_aOpts[] =
2050	{
2051	/* dtrace w/ long options */
2052	{ "-32", kVBoxTpGOpt_32Bit, RTGETOPT_REQ_NOTHING },
2053	{ "-64", kVBoxTpGOpt_64Bit, RTGETOPT_REQ_NOTHING },
2054	{ "--apply-cpp", 'C', RTGETOPT_REQ_NOTHING },
2055	{ "--generate-obj", 'G', RTGETOPT_REQ_NOTHING },
2056	{ "--generate-header", 'h', RTGETOPT_REQ_NOTHING },
2057	{ "--output", 'o', RTGETOPT_REQ_STRING },
2058	{ "--script", 's', RTGETOPT_REQ_STRING },
2059	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
2060	/* out stuff */
2061	{ "--assembler", kVBoxTpGOpt_Assembler, RTGETOPT_REQ_STRING },
2062	{ "--assembler-fmt-opt", kVBoxTpGOpt_AssemblerFmtOpt, RTGETOPT_REQ_STRING },
2063	{ "--assembler-fmt-val", kVBoxTpGOpt_AssemblerFmtVal, RTGETOPT_REQ_STRING },
2064	{ "--assembler-output-opt", kVBoxTpGOpt_AssemblerOutputOpt, RTGETOPT_REQ_STRING },
2065	{ "--assembler-option", kVBoxTpGOpt_AssemblerOption, RTGETOPT_REQ_STRING },
2066	{ "--probe-fn-name", kVBoxTpGOpt_ProbeFnName, RTGETOPT_REQ_STRING },
2067	{ "--probe-fn-imported", kVBoxTpGOpt_ProbeFnImported, RTGETOPT_REQ_BOOL },
2068	/** @todo We're missing a bunch of assembler options! */
2069	};
2070
2071	RTGETOPTUNION ValueUnion;
2072	RTGETOPTSTATE GetOptState;
2073	rc = RTGetOptInit(&GetOptState, argc, argv, &s_aOpts[0], RT_ELEMENTS(s_aOpts), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
2074	AssertReleaseRCReturn(rc, RTEXITCODE_FAILURE);
2075
2076	/*
2077	* Process \the options.
2078	*/
2079	while ((rc = RTGetOpt(&GetOptState, &ValueUnion)) != 0)
2080	{
2081	switch (rc)
2082	{
2083	/*
2084	* DTrace compatible options.
2085	*/
2086	case kVBoxTpGOpt_32Bit:
2087	g_cBits = 32;
2088	g_pszAssemblerFmtVal = g_szAssemblerFmtVal32;
2089	break;
2090
2091	case kVBoxTpGOpt_64Bit:
2092	g_cBits = 64;
2093	g_pszAssemblerFmtVal = g_szAssemblerFmtVal64;
2094	break;
2095
2096	case 'C':
2097	g_fApplyCpp = true;
2098	RTMsgWarning("Ignoring the -C option - no preprocessing of the D script will be performed");
2099	break;
2100
2101	case 'G':
2102	if ( g_enmAction != kVBoxTpGAction_Nothing
2103	&& g_enmAction != kVBoxTpGAction_GenerateObject)
2104	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "-G and -h does not mix");
2105	g_enmAction = kVBoxTpGAction_GenerateObject;
2106	break;
2107
2108	case 'h':
2109	if (!strcmp(GetOptState.pDef->pszLong, "--generate-header"))
2110	{
2111	if ( g_enmAction != kVBoxTpGAction_Nothing
2112	&& g_enmAction != kVBoxTpGAction_GenerateHeader)
2113	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "-h and -G does not mix");
2114	g_enmAction = kVBoxTpGAction_GenerateHeader;
2115	}
2116	else
2117	{
2118	/* --help or similar */
2119	RTPrintf("VirtualBox Tracepoint Generator\n"
2120	"\n"
2121	"Usage: %s [options]\n"
2122	"\n"
2123	"Options:\n", RTProcShortName());
2124	for (size_t i = 0; i < RT_ELEMENTS(s_aOpts); i++)
2125	if ((unsigned)s_aOpts[i].iShort < 128)
2126	RTPrintf(" -%c,%s\n", s_aOpts[i].iShort, s_aOpts[i].pszLong);
2127	else
2128	RTPrintf(" %s\n", s_aOpts[i].pszLong);
2129	return RTEXITCODE_SUCCESS;
2130	}
2131	break;
2132
2133	case 'o':
2134	if (g_pszOutput)
2135	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Output file is already set to '%s'", g_pszOutput);
2136	g_pszOutput = ValueUnion.psz;
2137	break;
2138
2139	case 's':
2140	if (g_pszScript)
2141	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Script file is already set to '%s'", g_pszScript);
2142	g_pszScript = ValueUnion.psz;
2143	break;
2144
2145	case 'v':
2146	g_cVerbosity++;
2147	break;
2148
2149	case 'V':
2150	{
2151	/* The following is assuming that svn does it's job here. */
2152	static const char s_szRev[] = "$Revision: 40887 $";
2153	const char *psz = RTStrStripL(strchr(s_szRev, ' '));
2154	RTPrintf("r%.*s\n", strchr(psz, ' ') - psz, psz);
2155	return RTEXITCODE_SUCCESS;
2156	}
2157
2158	case VINF_GETOPT_NOT_OPTION:
2159	if (g_enmAction == kVBoxTpGAction_GenerateObject)
2160	break; /* object files, ignore them. */
2161	return RTGetOptPrintError(rc, &ValueUnion);
2162
2163
2164	/*
2165	* Our options.
2166	*/
2167	case kVBoxTpGOpt_Assembler:
2168	g_pszAssembler = ValueUnion.psz;
2169	break;
2170
2171	case kVBoxTpGOpt_AssemblerFmtOpt:
2172	g_pszAssemblerFmtOpt = ValueUnion.psz;
2173	break;
2174
2175	case kVBoxTpGOpt_AssemblerFmtVal:
2176	g_pszAssemblerFmtVal = ValueUnion.psz;
2177	break;
2178
2179	case kVBoxTpGOpt_AssemblerOutputOpt:
2180	g_pszAssemblerOutputOpt = ValueUnion.psz;
2181	break;
2182
2183	case kVBoxTpGOpt_AssemblerOption:
2184	if (g_cAssemblerOptions >= RT_ELEMENTS(g_apszAssemblerOptions))
2185	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Too many assembly options (max %u)", RT_ELEMENTS(g_apszAssemblerOptions));
2186	g_apszAssemblerOptions[g_cAssemblerOptions] = ValueUnion.psz;
2187	g_cAssemblerOptions++;
2188	break;
2189
2190	case kVBoxTpGOpt_ProbeFnName:
2191	g_pszProbeFnName = ValueUnion.psz;
2192	break;
2193
2194	case kVBoxTpGOpt_ProbeFnImported:
2195	g_pszProbeFnName = ValueUnion.psz;
2196	break;
2197
2198	/*
2199	* Errors and bugs.
2200	*/
2201	default:
2202	return RTGetOptPrintError(rc, &ValueUnion);
2203	}
2204	}
2205
2206	/*
2207	* Check that we've got all we need.
2208	*/
2209	if (g_enmAction == kVBoxTpGAction_Nothing)
2210	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "No action specified (-h or -G)");
2211	if (!g_pszScript)
2212	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "No script file specified (-s)");
2213	if (!g_pszOutput)
2214	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "No output file specified (-o)");
2215
2216	return RTEXITCODE_SUCCESS;
2217	}
2218
2219
2220	int main(int argc, char **argv)
2221	{
2222	int rc = RTR3InitExe(argc, &argv, 0);
2223	if (RT_FAILURE(rc))
2224	return 1;
2225
2226	RTEXITCODE rcExit = parseArguments(argc, argv);
2227	if (rcExit == RTEXITCODE_SUCCESS)
2228	{
2229	/*
2230	* Parse the script.
2231	*/
2232	RTListInit(&g_ProviderHead);
2233	rcExit = parseScript(g_pszScript);
2234	if (rcExit == RTEXITCODE_SUCCESS)
2235	{
2236	/*
2237	* Take action.
2238	*/
2239	if (g_enmAction == kVBoxTpGAction_GenerateHeader)
2240	rcExit = generateHeader(g_pszOutput);
2241	else
2242	rcExit = generateObject(g_pszOutput, g_pszTempAsm);
2243	}
2244	}
2245
2246	if (rcExit == RTEXITCODE_SUCCESS && g_cTypeErrors > 0)
2247	rcExit = RTEXITCODE_FAILURE;
2248	return rcExit;
2249	}
2250

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source: vbox/trunk/src/bldprogs/VBoxTpG.cpp@ 40887

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