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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_bridges.hxx"
26 
27 #include <cstddef>
28 #include <dlfcn.h>
29 #include <new.h>
30 #include <typeinfo>
31 #include <list>
32 #include <map>
33 #include <rtl/alloc.h>
34 #include <osl/diagnose.h>
35 
36 #include <rtl/strbuf.hxx>
37 #include <typelib/typedescription.hxx>
38 #include <com/sun/star/uno/Any.hxx>
39 
40 #include "bridges/cpp_uno/shared/arraypointer.hxx"
41 
42 #include "cc50_solaris_intel.hxx"
43 
44 #include <hash.cxx>
45 
46 // need a += operator for OString and sal_Char
47 namespace rtl
48 {
operator +=(OString & rString,sal_Char cAdd)49 	inline OString& operator+=( OString& rString, sal_Char cAdd )
50 	{
51 		sal_Char add[2];
52 		add[0] = cAdd;
53 		add[1] = 0;
54 		return rString += add;
55 	}
56 }
57 
58 using namespace std;
59 using namespace osl;
60 using namespace rtl;
61 using namespace com::sun::star::uno;
62 
63 namespace CPPU_CURRENT_NAMESPACE
64 {
65 
toUNOname(const OString & rRTTIname)66 static OString toUNOname( const OString & rRTTIname )
67 {
68 	OString aRet;
69 
70 	const sal_Char* pRTTI = rRTTIname.getStr();
71 	const sal_Char* pOrg  = pRTTI;
72 	const sal_Char* pLast = pRTTI;
73 
74 	while( 1 )
75 	{
76 		if( *pRTTI == ':' || ! *pRTTI )
77 		{
78 			if( !aRet.isEmpty() )
79 				aRet += ".";
80 			aRet += rRTTIname.copy( pLast - pOrg, pRTTI - pLast );
81 			while( *pRTTI == ':' )
82 				pRTTI++;
83 			pLast = pRTTI;
84 			if( ! *pRTTI )
85 				break;
86 		}
87 		else
88 			pRTTI++;
89 	}
90 
91 	return aRet;
92 }
93 //==================================================================================================
toRTTIname(const OString & rUNOname)94 static OString toRTTIname( const OString & rUNOname )
95 {
96 	OStringBuffer aRet( rUNOname.getLength()*2 );
97 
98     sal_Int32 nIndex = 0;
99     do
100     {
101         if( nIndex > 0 )
102             aRet.append( "::" );
103         aRet.append( rUNOname.getToken( 0, '.', nIndex ) );
104     } while( nIndex != -1 );
105 
106 	return aRet.makeStringAndClear();
107 }
108 //==================================================================================================
109 
toRTTImangledname(const OString & rRTTIname)110 static OString toRTTImangledname( const OString & rRTTIname )
111 {
112 	if( rRTTIname.isEmpty() )
113 		return OString();
114 
115 	OStringBuffer aRet( rRTTIname.getLength()*2 );
116 
117     aRet.append( "__1n" );
118     sal_Int32 nIndex = 0;
119     do
120     {
121         OString aToken( rRTTIname.getToken( 0, ':', nIndex ) );
122         int nBytes = aToken.getLength();
123         if( nBytes )
124         {
125             if( nBytes  > 25 )
126             {
127                 aRet.append( (sal_Char)( nBytes/26 + 'a' ) );
128                 aRet.append( (sal_Char)( nBytes%26 + 'A' ) );
129             }
130             else
131                 aRet.append( (sal_Char)( nBytes + 'A' ) );
132             for (sal_Int32 i = 0; i < aToken.getLength(); ++i) {
133                 char c = aToken[i];
134                 if (c == 'Q') {
135                     aRet.append("QdD");
136                 } else {
137                     aRet.append(c);
138                 }
139             }
140         }
141     } while( nIndex != -1 );
142 
143 	aRet.append( '_' );
144 
145 	return aRet.makeStringAndClear();
146 }
147 
148 //##################################################################################################
149 //#### RTTI simulation #############################################################################
150 //##################################################################################################
151 
152 class RTTIHolder
153 {
154 	std::map< OString, void* > aAllRTTI;
155 public:
156 	~RTTIHolder();
157 
158 	void* getRTTI( const OString& rTypename );
getRTTI_UnoName(const OString & rUnoTypename)159 	void* getRTTI_UnoName( const OString& rUnoTypename )
160 		{ return getRTTI( toRTTIname( rUnoTypename ) ); }
161 
162 	void* insertRTTI( const OString& rTypename );
insertRTTI_UnoName(const OString & rTypename)163 	void* insertRTTI_UnoName( const OString& rTypename )
164 		{ return insertRTTI( toRTTIname( rTypename ) ); }
165 	void* generateRTTI( typelib_CompoundTypeDescription* pCompTypeDescr );
166 };
167 
~RTTIHolder()168 RTTIHolder::~RTTIHolder()
169 {
170 	for ( std::map< OString, void* >::const_iterator iPos( aAllRTTI.begin() );
171 		  iPos != aAllRTTI.end(); ++iPos )
172 	{
173         delete[] static_cast< char * >(iPos->second);
174 	}
175 }
176 
177 #if OSL_DEBUG_LEVEL > 1
178 #include <stdio.h>
179 #endif
180 
getRTTI(const OString & rTypename)181 void* RTTIHolder::getRTTI( const OString& rTypename )
182 {
183 	std::map< OString, void* >::iterator element;
184 
185 	element = aAllRTTI.find( rTypename );
186 	if( element != aAllRTTI.end() )
187 		return (*element).second;
188 
189 	// create rtti structure
190 	element = aAllRTTI.find( rTypename );
191 	if( element != aAllRTTI.end() )
192 		return (*element).second;
193 
194 	return NULL;
195 }
196 
197 static long nMagicId = 1;
198 
insertRTTI(const OString & rTypename)199 void* RTTIHolder::insertRTTI( const OString& rTypename )
200 {
201 	OString aMangledName( toRTTImangledname( rTypename ) );
202 	NIST_Hash aHash( aMangledName.getStr(), aMangledName.getLength() );
203 
204 
205 	// rSuperTypename MUST exist !!!
206     std::size_t const RTTI_SIZE = 19; // 14???
207 	void** pRTTI = reinterpret_cast< void ** >(
208         new char[RTTI_SIZE * sizeof (void *) + strlen(rTypename.getStr()) + 1]);
209 	pRTTI[  0 ] = reinterpret_cast< void * >(RTTI_SIZE * sizeof (void *));
210 	pRTTI[  1 ] = NULL;
211 	pRTTI[  2 ] = (void*)(7*sizeof(void*));
212 	pRTTI[  3 ] = (void*)aHash.getHash()[0];
213 	pRTTI[  4 ] = (void*)aHash.getHash()[1];
214 	pRTTI[  5 ] = (void*)aHash.getHash()[2];
215 	pRTTI[  6 ] = (void*)aHash.getHash()[3];
216 	pRTTI[  7 ] = NULL;
217 	pRTTI[  8 ] = NULL;
218 
219 	pRTTI[  9 ] = pRTTI[ 3 ];
220 	pRTTI[ 10 ] = pRTTI[ 4 ];
221 	pRTTI[ 11 ] = pRTTI[ 5 ];
222 	pRTTI[ 12 ] = pRTTI[ 6 ];
223 	pRTTI[ 13 ] = (void*)0x80000000;
224     strcpy(reinterpret_cast< char * >(pRTTI + RTTI_SIZE), rTypename.getStr());
225 
226 	aAllRTTI[ rTypename ] = (void*)pRTTI;
227 #if OSL_DEBUG_LEVEL > 1
228 	fprintf( stderr,
229 			 "generating base RTTI for type %s:\n"
230 			 "   mangled: %s\n"
231 			 "   hash: %.8x %.8x %.8x %.8x\n",
232 			 rTypename.getStr(),
233 			 aMangledName.getStr(),
234 			 pRTTI[ 3 ], pRTTI[ 4 ], pRTTI[ 5 ], pRTTI[ 6 ]
235 			 );
236 #endif
237 	return pRTTI;
238 }
239 
generateRTTI(typelib_CompoundTypeDescription * pCompTypeDescr)240 void* RTTIHolder::generateRTTI( typelib_CompoundTypeDescription * pCompTypeDescr )
241 {
242 	OString aUNOCompTypeName( OUStringToOString( pCompTypeDescr->aBase.pTypeName, RTL_TEXTENCODING_ASCII_US ) );
243 	OString aRTTICompTypeName( toRTTIname( aUNOCompTypeName ) );
244 
245 	void* pHaveRTTI = getRTTI( aRTTICompTypeName );
246 	if( pHaveRTTI )
247 		return pHaveRTTI;
248 
249 	if( ! pCompTypeDescr->pBaseTypeDescription )
250 		// this is a base type
251 		return insertRTTI( aRTTICompTypeName );
252 
253 	// get base class RTTI
254 	void* pSuperRTTI = generateRTTI( pCompTypeDescr->pBaseTypeDescription );
255 	OSL_ENSURE( pSuperRTTI, "could not generate RTTI for supertype !" );
256 
257 	// find out the size to allocate for RTTI
258 	void** pInherit = (void**)((sal_uInt32)pSuperRTTI + ((sal_uInt32*)pSuperRTTI)[2] + 8);
259 	int nInherit;
260 	for( nInherit = 1; pInherit[ nInherit*5-1 ] != (void*)0x80000000; nInherit++ )
261 		;
262 
263 	OString aMangledName( toRTTImangledname( aRTTICompTypeName ) );
264 	NIST_Hash aHash( aMangledName.getStr(), aMangledName.getLength() );
265 
266     std::size_t const rttiSize = 14 + nInherit * 5;
267 	void** pRTTI = reinterpret_cast< void ** >(
268         new char[
269             rttiSize * sizeof (void *)
270             + strlen(aRTTICompTypeName.getStr()) + 1]);
271 	pRTTI[  0 ] = reinterpret_cast< void * >(rttiSize * sizeof (void *));
272 	pRTTI[  1 ] = NULL;
273 	pRTTI[  2 ] = (void*)(7*sizeof(void*));
274 	pRTTI[  3 ] = (void*)aHash.getHash()[0];
275 	pRTTI[  4 ] = (void*)aHash.getHash()[1];
276 	pRTTI[  5 ] = (void*)aHash.getHash()[2];
277 	pRTTI[  6 ] = (void*)aHash.getHash()[3];
278 	pRTTI[  7 ] = NULL;
279 	pRTTI[  8 ] = NULL;
280 
281 	memcpy( pRTTI+9, pInherit, 4*nInherit*5 );
282 	pRTTI[ 8 +nInherit*5 ] = NULL;
283 	pRTTI[ 9 +nInherit*5 ] = pRTTI[ 3 ];
284 	pRTTI[ 10+nInherit*5 ] = pRTTI[ 4 ];
285 	pRTTI[ 11+nInherit*5 ] = pRTTI[ 5 ];
286 	pRTTI[ 12+nInherit*5 ] = pRTTI[ 6 ];
287 	pRTTI[ 13+nInherit*5 ] = (void*)0x80000000;
288     strcpy(
289         reinterpret_cast< char * >(pRTTI + rttiSize),
290         aRTTICompTypeName.getStr());
291 
292 	aAllRTTI[ aRTTICompTypeName ] = (void*)pRTTI;
293 
294 #if OSL_DEBUG_LEVEL > 1
295 	fprintf( stderr,
296 			 "generating struct RTTI for type %s:\n"
297 			 "   mangled: %s\n"
298 			 "   hash: %.8x %.8x %.8X %.8x\n",
299 			 aRTTICompTypeName.getStr(),
300 			 aMangledName.getStr(),
301 			 pRTTI[ 3 ], pRTTI[ 4 ], pRTTI[ 5 ], pRTTI[ 6 ]
302 			 );
303 #endif
304 
305 	return pRTTI;
306 }
307 
308 //__________________________________________________________________________________________________
309 
deleteException(void * pExc,unsigned char * thunk,typelib_TypeDescription * pType)310 static void deleteException(
311     void* pExc, unsigned char* thunk, typelib_TypeDescription* pType )
312 {
313  	uno_destructData(
314         pExc, pType, reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
315  	typelib_typedescription_release( pType );
316     delete[] thunk;
317 }
318 
319 //__________________________________________________________________________________________________
320 
321 //##################################################################################################
322 //#### exported ####################################################################################
323 //##################################################################################################
324 
cc50_solaris_intel_raiseException(uno_Any * pUnoExc,uno_Mapping * pUno2Cpp)325 void cc50_solaris_intel_raiseException( uno_Any * pUnoExc, uno_Mapping * pUno2Cpp )
326 {
327 #if OSL_DEBUG_LEVEL > 1
328     OString cstr(
329         OUStringToOString(
330             *reinterpret_cast< OUString const * >( &pUnoExc->pType->pTypeName ),
331             RTL_TEXTENCODING_ASCII_US ) );
332     fprintf( stderr, "> uno exception occurred: %s\n", cstr.getStr() );
333 #endif
334     bridges::cpp_uno::shared::ArrayPointer< unsigned char > thunkPtr(
335         new unsigned char[24]);
336 	typelib_TypeDescription * pTypeDescr = 0;
337 	// will be released by deleteException
338 	typelib_typedescriptionreference_getDescription( &pTypeDescr, pUnoExc->pType );
339 
340 	void* pRTTI;
341 	{
342 	static ::osl::Mutex aMutex;
343 	::osl::Guard< ::osl::Mutex > guard( aMutex );
344 
345 	static RTTIHolder * s_pRTTI = 0;
346 	if (! s_pRTTI)
347 	{
348 #ifdef LEAK_STATIC_DATA
349 		s_pRTTI = new RTTIHolder();
350 #else
351 		static RTTIHolder s_aRTTI;
352 		s_pRTTI = &s_aRTTI;
353 #endif
354 	}
355 
356 	pRTTI = s_pRTTI->generateRTTI( (typelib_CompoundTypeDescription *)pTypeDescr );
357 	}
358 
359 	// a must be
360 	OSL_ENSURE( sizeof(sal_Int32) == sizeof(void *), "### pointer size differs from sal_Int32!" );
361 
362 	void * pCppExc = __Crun::ex_alloc( pTypeDescr->nSize );
363 	uno_copyAndConvertData( pCppExc, pUnoExc->pData, pTypeDescr, pUno2Cpp );
364 
365 	// destruct uno exception
366 	uno_any_destruct( pUnoExc, 0 );
367 
368     unsigned char * thunk = thunkPtr.release();
369     // movl %esp, %ecx:
370     thunk[0] = 0x8B;
371     thunk[1] = 0xCC;
372     // pushl pTypeDescr:
373     thunk[2] = 0x68;
374     *reinterpret_cast< void ** >(thunk + 3) = pTypeDescr;
375     // pushl thunk:
376     thunk[7] = 0x68;
377     *reinterpret_cast< void ** >(thunk + 8) = thunk;
378     // pushl 4(%ecx):
379     thunk[12] = 0xFF;
380     thunk[13] = 0x71;
381     thunk[14] = 0x04;
382     // call deleteException:
383     thunk[15] = 0xE8;
384 #pragma disable_warn
385     void * d = reinterpret_cast< void * >(deleteException);
386 #pragma enable_warn
387     *reinterpret_cast< std::ptrdiff_t * >(thunk + 16) =
388         static_cast< unsigned char * >(d) - (thunk + 20);
389     // addl $12, %esp:
390     thunk[20] = 0x83;
391     thunk[21] = 0xC4;
392     thunk[22] = 0x0C;
393     // ret:
394     thunk[23] = 0xC3;
395 
396 #pragma disable_warn
397     void (* f)(void *) = reinterpret_cast< void (*)(void *) >(thunk);
398 #pragma enable_warn
399 	__Crun::ex_throw(pCppExc, (const __Crun::static_type_info*)pRTTI, f);
400 }
401 
cc50_solaris_intel_fillUnoException(void * pCppExc,const char * pInfo,uno_Any * pUnoExc,uno_Mapping * pCpp2Uno)402 void cc50_solaris_intel_fillUnoException(
403 	void* pCppExc,
404 	const char* pInfo,
405 	uno_Any* pUnoExc,
406 	uno_Mapping * pCpp2Uno )
407 {
408     OSL_ASSERT( pInfo != 0 );
409     OString uno_name( toUNOname( pInfo ) );
410     OUString aName( OStringToOUString(
411                         uno_name, RTL_TEXTENCODING_ASCII_US ) );
412     typelib_TypeDescription * pExcTypeDescr = 0;
413     typelib_typedescription_getByName( &pExcTypeDescr, aName.pData );
414 
415     if (pExcTypeDescr == 0) // the thing that should not be
416     {
417         RuntimeException aRE(
418             OUString( RTL_CONSTASCII_USTRINGPARAM(
419                           "exception type not found: ") ) + aName,
420             Reference< XInterface >() );
421         Type const & rType = ::getCppuType( &aRE );
422         uno_type_any_constructAndConvert(
423             pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno );
424 #if OSL_DEBUG_LEVEL > 0
425         OString cstr( OUStringToOString(
426                           aRE.Message, RTL_TEXTENCODING_ASCII_US ) );
427         OSL_ENSURE( 0, cstr.getStr() );
428 #endif
429         return;
430     }
431 
432 #if OSL_DEBUG_LEVEL > 1
433     fprintf( stderr, "> c++ exception occurred: %s\n",
434              ::rtl::OUStringToOString(
435                  pExcTypeDescr->pTypeName,
436                  RTL_TEXTENCODING_ASCII_US ).getStr() );
437 #endif
438     // construct uno exception any
439     uno_any_constructAndConvert(
440         pUnoExc, pCppExc, pExcTypeDescr, pCpp2Uno );
441     typelib_typedescription_release( pExcTypeDescr );
442 }
443 
444 }
445 
446