1 //===-- ExternalFunctions.cpp - Implement External Functions --------------===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains both code to deal with invoking "external" functions, but
11 // also contains code that implements "exported" external functions.
13 // External functions in the interpreter are implemented by
14 // using the system's dynamic loader to look up the address of the function
15 // we want to invoke. If a function is found, then one of the
16 // many lle_* wrapper functions in this file will translate its arguments from
17 // GenericValues to the types the function is actually expecting, before the
18 // function is called.
20 //===----------------------------------------------------------------------===//
22 #include "Interpreter.h"
23 #include "llvm/DerivedTypes.h"
24 #include "llvm/Module.h"
25 #include "llvm/Target/TargetData.h"
26 #include "llvm/Support/DynamicLinker.h"
34 typedef GenericValue (*ExFunc)(FunctionType *, const vector<GenericValue> &);
35 static std::map<const Function *, ExFunc> Functions;
36 static std::map<std::string, ExFunc> FuncNames;
38 static Interpreter *TheInterpreter;
40 static char getTypeID(const Type *Ty) {
41 switch (Ty->getTypeID()) {
42 case Type::VoidTyID: return 'V';
43 case Type::BoolTyID: return 'o';
44 case Type::UByteTyID: return 'B';
45 case Type::SByteTyID: return 'b';
46 case Type::UShortTyID: return 'S';
47 case Type::ShortTyID: return 's';
48 case Type::UIntTyID: return 'I';
49 case Type::IntTyID: return 'i';
50 case Type::ULongTyID: return 'L';
51 case Type::LongTyID: return 'l';
52 case Type::FloatTyID: return 'F';
53 case Type::DoubleTyID: return 'D';
54 case Type::PointerTyID: return 'P';
55 case Type::FunctionTyID: return 'M';
56 case Type::StructTyID: return 'T';
57 case Type::ArrayTyID: return 'A';
58 case Type::OpaqueTyID: return 'O';
63 static ExFunc lookupFunction(const Function *F) {
64 // Function not found, look it up... start by figuring out what the
65 // composite function name should be.
66 std::string ExtName = "lle_";
67 const FunctionType *FT = F->getFunctionType();
68 for (unsigned i = 0, e = FT->getNumContainedTypes(); i != e; ++i)
69 ExtName += getTypeID(FT->getContainedType(i));
70 ExtName += "_" + F->getName();
72 ExFunc FnPtr = FuncNames[ExtName];
74 FnPtr = (ExFunc)GetAddressOfSymbol(ExtName);
76 FnPtr = FuncNames["lle_X_"+F->getName()];
77 if (FnPtr == 0) // Try calling a generic function... if it exists...
78 FnPtr = (ExFunc)GetAddressOfSymbol(("lle_X_"+F->getName()).c_str());
80 Functions.insert(std::make_pair(F, FnPtr)); // Cache for later
84 GenericValue Interpreter::callExternalFunction(Function *M,
85 const std::vector<GenericValue> &ArgVals) {
86 TheInterpreter = this;
88 // Do a lookup to see if the function is in our cache... this should just be a
89 // deferred annotation!
90 std::map<const Function *, ExFunc>::iterator FI = Functions.find(M);
91 ExFunc Fn = (FI == Functions.end()) ? lookupFunction(M) : FI->second;
93 std::cout << "Tried to execute an unknown external function: "
94 << M->getType()->getDescription() << " " << M->getName() << "\n";
95 return GenericValue();
98 // TODO: FIXME when types are not const!
99 GenericValue Result = Fn(const_cast<FunctionType*>(M->getFunctionType()),
105 //===----------------------------------------------------------------------===//
106 // Functions "exported" to the running application...
108 extern "C" { // Don't add C++ manglings to llvm mangling :)
110 // void putchar(sbyte)
111 GenericValue lle_Vb_putchar(FunctionType *M, const vector<GenericValue> &Args) {
112 std::cout << Args[0].SByteVal;
113 return GenericValue();
117 GenericValue lle_ii_putchar(FunctionType *M, const vector<GenericValue> &Args) {
118 std::cout << ((char)Args[0].IntVal) << std::flush;
122 // void putchar(ubyte)
123 GenericValue lle_VB_putchar(FunctionType *M, const vector<GenericValue> &Args) {
124 std::cout << Args[0].SByteVal << std::flush;
128 // void atexit(Function*)
129 GenericValue lle_X_atexit(FunctionType *M, const vector<GenericValue> &Args) {
130 assert(Args.size() == 1);
131 TheInterpreter->addAtExitHandler((Function*)GVTOP(Args[0]));
138 GenericValue lle_X_exit(FunctionType *M, const vector<GenericValue> &Args) {
139 TheInterpreter->exitCalled(Args[0]);
140 return GenericValue();
144 GenericValue lle_X_abort(FunctionType *M, const vector<GenericValue> &Args) {
146 return GenericValue();
149 // void *malloc(uint)
150 GenericValue lle_X_malloc(FunctionType *M, const vector<GenericValue> &Args) {
151 assert(Args.size() == 1 && "Malloc expects one argument!");
152 return PTOGV(malloc(Args[0].UIntVal));
155 // void *calloc(uint, uint)
156 GenericValue lle_X_calloc(FunctionType *M, const vector<GenericValue> &Args) {
157 assert(Args.size() == 2 && "calloc expects two arguments!");
158 return PTOGV(calloc(Args[0].UIntVal, Args[1].UIntVal));
162 GenericValue lle_X_free(FunctionType *M, const vector<GenericValue> &Args) {
163 assert(Args.size() == 1);
164 free(GVTOP(Args[0]));
165 return GenericValue();
169 GenericValue lle_X_atoi(FunctionType *M, const vector<GenericValue> &Args) {
170 assert(Args.size() == 1);
172 GV.IntVal = atoi((char*)GVTOP(Args[0]));
176 // double pow(double, double)
177 GenericValue lle_X_pow(FunctionType *M, const vector<GenericValue> &Args) {
178 assert(Args.size() == 2);
180 GV.DoubleVal = pow(Args[0].DoubleVal, Args[1].DoubleVal);
184 // double exp(double)
185 GenericValue lle_X_exp(FunctionType *M, const vector<GenericValue> &Args) {
186 assert(Args.size() == 1);
188 GV.DoubleVal = exp(Args[0].DoubleVal);
192 // double sqrt(double)
193 GenericValue lle_X_sqrt(FunctionType *M, const vector<GenericValue> &Args) {
194 assert(Args.size() == 1);
196 GV.DoubleVal = sqrt(Args[0].DoubleVal);
200 // double log(double)
201 GenericValue lle_X_log(FunctionType *M, const vector<GenericValue> &Args) {
202 assert(Args.size() == 1);
204 GV.DoubleVal = log(Args[0].DoubleVal);
208 // double floor(double)
209 GenericValue lle_X_floor(FunctionType *M, const vector<GenericValue> &Args) {
210 assert(Args.size() == 1);
212 GV.DoubleVal = floor(Args[0].DoubleVal);
219 GenericValue lle_X_drand48(FunctionType *M, const vector<GenericValue> &Args) {
220 assert(Args.size() == 0);
222 GV.DoubleVal = drand48();
227 GenericValue lle_X_lrand48(FunctionType *M, const vector<GenericValue> &Args) {
228 assert(Args.size() == 0);
230 GV.IntVal = lrand48();
234 // void srand48(long)
235 GenericValue lle_X_srand48(FunctionType *M, const vector<GenericValue> &Args) {
236 assert(Args.size() == 1);
237 srand48(Args[0].IntVal);
238 return GenericValue();
244 GenericValue lle_X_rand(FunctionType *M, const vector<GenericValue> &Args) {
245 assert(Args.size() == 0);
252 GenericValue lle_X_srand(FunctionType *M, const vector<GenericValue> &Args) {
253 assert(Args.size() == 1);
254 srand(Args[0].UIntVal);
255 return GenericValue();
258 // int puts(const char*)
259 GenericValue lle_X_puts(FunctionType *M, const vector<GenericValue> &Args) {
260 assert(Args.size() == 1);
262 GV.IntVal = puts((char*)GVTOP(Args[0]));
266 // int sprintf(sbyte *, sbyte *, ...) - a very rough implementation to make
268 GenericValue lle_X_sprintf(FunctionType *M, const vector<GenericValue> &Args) {
269 char *OutputBuffer = (char *)GVTOP(Args[0]);
270 const char *FmtStr = (const char *)GVTOP(Args[1]);
273 // printf should return # chars printed. This is completely incorrect, but
274 // close enough for now.
275 GenericValue GV; GV.IntVal = strlen(FmtStr);
278 case 0: return GV; // Null terminator...
279 default: // Normal nonspecial character
280 sprintf(OutputBuffer++, "%c", *FmtStr++);
282 case '\\': { // Handle escape codes
283 sprintf(OutputBuffer, "%c%c", *FmtStr, *(FmtStr+1));
284 FmtStr += 2; OutputBuffer += 2;
287 case '%': { // Handle format specifiers
288 char FmtBuf[100] = "", Buffer[1000] = "";
291 char Last = *FB++ = *FmtStr++;
292 unsigned HowLong = 0;
293 while (Last != 'c' && Last != 'd' && Last != 'i' && Last != 'u' &&
294 Last != 'o' && Last != 'x' && Last != 'X' && Last != 'e' &&
295 Last != 'E' && Last != 'g' && Last != 'G' && Last != 'f' &&
296 Last != 'p' && Last != 's' && Last != '%') {
297 if (Last == 'l' || Last == 'L') HowLong++; // Keep track of l's
298 Last = *FB++ = *FmtStr++;
304 sprintf(Buffer, FmtBuf); break;
306 sprintf(Buffer, FmtBuf, Args[ArgNo++].IntVal); break;
312 TheInterpreter->getModule().getPointerSize()==Module::Pointer64 &&
313 sizeof(long) < sizeof(long long)) {
314 // Make sure we use %lld with a 64 bit argument because we might be
315 // compiling LLI on a 32 bit compiler.
316 unsigned Size = strlen(FmtBuf);
317 FmtBuf[Size] = FmtBuf[Size-1];
319 FmtBuf[Size-1] = 'l';
321 sprintf(Buffer, FmtBuf, Args[ArgNo++].ULongVal);
323 sprintf(Buffer, FmtBuf, Args[ArgNo++].IntVal); break;
324 case 'e': case 'E': case 'g': case 'G': case 'f':
325 sprintf(Buffer, FmtBuf, Args[ArgNo++].DoubleVal); break;
327 sprintf(Buffer, FmtBuf, (void*)GVTOP(Args[ArgNo++])); break;
329 sprintf(Buffer, FmtBuf, (char*)GVTOP(Args[ArgNo++])); break;
330 default: std::cout << "<unknown printf code '" << *FmtStr << "'!>";
333 strcpy(OutputBuffer, Buffer);
334 OutputBuffer += strlen(Buffer);
341 // int printf(sbyte *, ...) - a very rough implementation to make output useful.
342 GenericValue lle_X_printf(FunctionType *M, const vector<GenericValue> &Args) {
344 vector<GenericValue> NewArgs;
345 NewArgs.push_back(PTOGV(Buffer));
346 NewArgs.insert(NewArgs.end(), Args.begin(), Args.end());
347 GenericValue GV = lle_X_sprintf(M, NewArgs);
352 static void ByteswapSCANFResults(const char *Fmt, void *Arg0, void *Arg1,
353 void *Arg2, void *Arg3, void *Arg4, void *Arg5,
354 void *Arg6, void *Arg7, void *Arg8) {
355 void *Args[] = { Arg0, Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8, 0 };
357 // Loop over the format string, munging read values as appropriate (performs
358 // byteswaps as necessary).
362 // Read any flag characters that may be present...
363 bool Suppress = false;
366 bool LongLong = false; // long long or long double
370 case '*': Suppress = true; break;
371 case 'a': /*Allocate = true;*/ break; // We don't need to track this
372 case 'h': Half = true; break;
373 case 'l': Long = true; break;
375 case 'L': LongLong = true; break;
377 if (Fmt[-1] > '9' || Fmt[-1] < '0') // Ignore field width specs
383 // Read the conversion character
384 if (!Suppress && Fmt[-1] != '%') { // Nothing to do?
389 case 'i': case 'o': case 'u': case 'x': case 'X': case 'n': case 'p':
391 if (Long || LongLong) {
392 Size = 8; Ty = Type::ULongTy;
394 Size = 4; Ty = Type::UShortTy;
396 Size = 4; Ty = Type::UIntTy;
400 case 'e': case 'g': case 'E':
402 if (Long || LongLong) {
403 Size = 8; Ty = Type::DoubleTy;
405 Size = 4; Ty = Type::FloatTy;
409 case 's': case 'c': case '[': // No byteswap needed
419 void *Arg = Args[ArgNo++];
420 memcpy(&GV, Arg, Size);
421 TheInterpreter->StoreValueToMemory(GV, (GenericValue*)Arg, Ty);
428 // int sscanf(const char *format, ...);
429 GenericValue lle_X_sscanf(FunctionType *M, const vector<GenericValue> &args) {
430 assert(args.size() < 10 && "Only handle up to 10 args to sscanf right now!");
433 for (unsigned i = 0; i < args.size(); ++i)
434 Args[i] = (char*)GVTOP(args[i]);
437 GV.IntVal = sscanf(Args[0], Args[1], Args[2], Args[3], Args[4],
438 Args[5], Args[6], Args[7], Args[8], Args[9]);
439 ByteswapSCANFResults(Args[1], Args[2], Args[3], Args[4],
440 Args[5], Args[6], Args[7], Args[8], Args[9], 0);
444 // int scanf(const char *format, ...);
445 GenericValue lle_X_scanf(FunctionType *M, const vector<GenericValue> &args) {
446 assert(args.size() < 10 && "Only handle up to 10 args to scanf right now!");
449 for (unsigned i = 0; i < args.size(); ++i)
450 Args[i] = (char*)GVTOP(args[i]);
453 GV.IntVal = scanf(Args[0], Args[1], Args[2], Args[3], Args[4],
454 Args[5], Args[6], Args[7], Args[8], Args[9]);
455 ByteswapSCANFResults(Args[0], Args[1], Args[2], Args[3], Args[4],
456 Args[5], Args[6], Args[7], Args[8], Args[9]);
461 // int clock(void) - Profiling implementation
462 GenericValue lle_i_clock(FunctionType *M, const vector<GenericValue> &Args) {
463 extern int clock(void);
464 GenericValue GV; GV.IntVal = clock();
469 //===----------------------------------------------------------------------===//
470 // String Functions...
471 //===----------------------------------------------------------------------===//
473 // int strcmp(const char *S1, const char *S2);
474 GenericValue lle_X_strcmp(FunctionType *M, const vector<GenericValue> &Args) {
475 assert(Args.size() == 2);
477 Ret.IntVal = strcmp((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]));
481 // char *strcat(char *Dest, const char *src);
482 GenericValue lle_X_strcat(FunctionType *M, const vector<GenericValue> &Args) {
483 assert(Args.size() == 2);
484 return PTOGV(strcat((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1])));
487 // char *strcpy(char *Dest, const char *src);
488 GenericValue lle_X_strcpy(FunctionType *M, const vector<GenericValue> &Args) {
489 assert(Args.size() == 2);
490 return PTOGV(strcpy((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1])));
493 static GenericValue size_t_to_GV (size_t n) {
495 if (sizeof (size_t) == sizeof (uint64_t)) {
498 assert (sizeof (size_t) == sizeof (unsigned int));
504 static size_t GV_to_size_t (GenericValue GV) {
506 if (sizeof (size_t) == sizeof (uint64_t)) {
509 assert (sizeof (size_t) == sizeof (unsigned int));
515 // size_t strlen(const char *src);
516 GenericValue lle_X_strlen(FunctionType *M, const vector<GenericValue> &Args) {
517 assert(Args.size() == 1);
518 size_t strlenResult = strlen ((char *) GVTOP (Args[0]));
519 return size_t_to_GV (strlenResult);
522 // char *strdup(const char *src);
523 GenericValue lle_X_strdup(FunctionType *M, const vector<GenericValue> &Args) {
524 assert(Args.size() == 1);
525 return PTOGV(strdup((char*)GVTOP(Args[0])));
528 // char *__strdup(const char *src);
529 GenericValue lle_X___strdup(FunctionType *M, const vector<GenericValue> &Args) {
530 assert(Args.size() == 1);
531 return PTOGV(strdup((char*)GVTOP(Args[0])));
534 // void *memset(void *S, int C, size_t N)
535 GenericValue lle_X_memset(FunctionType *M, const vector<GenericValue> &Args) {
536 assert(Args.size() == 3);
537 size_t count = GV_to_size_t (Args[2]);
538 return PTOGV(memset(GVTOP(Args[0]), Args[1].IntVal, count));
541 // void *memcpy(void *Dest, void *src, size_t Size);
542 GenericValue lle_X_memcpy(FunctionType *M, const vector<GenericValue> &Args) {
543 assert(Args.size() == 3);
544 size_t count = GV_to_size_t (Args[2]);
545 return PTOGV(memcpy((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]), count));
548 //===----------------------------------------------------------------------===//
550 //===----------------------------------------------------------------------===//
552 // getFILE - Turn a pointer in the host address space into a legit pointer in
553 // the interpreter address space. This is an identity transformation.
554 #define getFILE(ptr) ((FILE*)ptr)
556 // FILE *fopen(const char *filename, const char *mode);
557 GenericValue lle_X_fopen(FunctionType *M, const vector<GenericValue> &Args) {
558 assert(Args.size() == 2);
559 return PTOGV(fopen((const char *)GVTOP(Args[0]),
560 (const char *)GVTOP(Args[1])));
563 // int fclose(FILE *F);
564 GenericValue lle_X_fclose(FunctionType *M, const vector<GenericValue> &Args) {
565 assert(Args.size() == 1);
567 GV.IntVal = fclose(getFILE(GVTOP(Args[0])));
571 // int feof(FILE *stream);
572 GenericValue lle_X_feof(FunctionType *M, const vector<GenericValue> &Args) {
573 assert(Args.size() == 1);
576 GV.IntVal = feof(getFILE(GVTOP(Args[0])));
580 // size_t fread(void *ptr, size_t size, size_t nitems, FILE *stream);
581 GenericValue lle_X_fread(FunctionType *M, const vector<GenericValue> &Args) {
582 assert(Args.size() == 4);
585 result = fread((void*)GVTOP(Args[0]), GV_to_size_t (Args[1]),
586 GV_to_size_t (Args[2]), getFILE(GVTOP(Args[3])));
587 return size_t_to_GV (result);
590 // size_t fwrite(const void *ptr, size_t size, size_t nitems, FILE *stream);
591 GenericValue lle_X_fwrite(FunctionType *M, const vector<GenericValue> &Args) {
592 assert(Args.size() == 4);
595 result = fwrite((void*)GVTOP(Args[0]), GV_to_size_t (Args[1]),
596 GV_to_size_t (Args[2]), getFILE(GVTOP(Args[3])));
597 return size_t_to_GV (result);
600 // char *fgets(char *s, int n, FILE *stream);
601 GenericValue lle_X_fgets(FunctionType *M, const vector<GenericValue> &Args) {
602 assert(Args.size() == 3);
603 return GVTOP(fgets((char*)GVTOP(Args[0]), Args[1].IntVal,
604 getFILE(GVTOP(Args[2]))));
607 // FILE *freopen(const char *path, const char *mode, FILE *stream);
608 GenericValue lle_X_freopen(FunctionType *M, const vector<GenericValue> &Args) {
609 assert(Args.size() == 3);
610 return PTOGV(freopen((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]),
611 getFILE(GVTOP(Args[2]))));
614 // int fflush(FILE *stream);
615 GenericValue lle_X_fflush(FunctionType *M, const vector<GenericValue> &Args) {
616 assert(Args.size() == 1);
618 GV.IntVal = fflush(getFILE(GVTOP(Args[0])));
622 // int getc(FILE *stream);
623 GenericValue lle_X_getc(FunctionType *M, const vector<GenericValue> &Args) {
624 assert(Args.size() == 1);
626 GV.IntVal = getc(getFILE(GVTOP(Args[0])));
630 // int _IO_getc(FILE *stream);
631 GenericValue lle_X__IO_getc(FunctionType *F, const vector<GenericValue> &Args) {
632 return lle_X_getc(F, Args);
635 // int fputc(int C, FILE *stream);
636 GenericValue lle_X_fputc(FunctionType *M, const vector<GenericValue> &Args) {
637 assert(Args.size() == 2);
639 GV.IntVal = fputc(Args[0].IntVal, getFILE(GVTOP(Args[1])));
643 // int ungetc(int C, FILE *stream);
644 GenericValue lle_X_ungetc(FunctionType *M, const vector<GenericValue> &Args) {
645 assert(Args.size() == 2);
647 GV.IntVal = ungetc(Args[0].IntVal, getFILE(GVTOP(Args[1])));
651 // int ferror (FILE *stream);
652 GenericValue lle_X_ferror(FunctionType *M, const vector<GenericValue> &Args) {
653 assert(Args.size() == 1);
655 GV.IntVal = ferror (getFILE(GVTOP(Args[0])));
659 // int fprintf(FILE *,sbyte *, ...) - a very rough implementation to make output
661 GenericValue lle_X_fprintf(FunctionType *M, const vector<GenericValue> &Args) {
662 assert(Args.size() >= 2);
664 vector<GenericValue> NewArgs;
665 NewArgs.push_back(PTOGV(Buffer));
666 NewArgs.insert(NewArgs.end(), Args.begin()+1, Args.end());
667 GenericValue GV = lle_X_sprintf(M, NewArgs);
669 fputs(Buffer, getFILE(GVTOP(Args[0])));
676 void Interpreter::initializeExternalFunctions() {
677 FuncNames["lle_Vb_putchar"] = lle_Vb_putchar;
678 FuncNames["lle_ii_putchar"] = lle_ii_putchar;
679 FuncNames["lle_VB_putchar"] = lle_VB_putchar;
680 FuncNames["lle_X_exit"] = lle_X_exit;
681 FuncNames["lle_X_abort"] = lle_X_abort;
682 FuncNames["lle_X_malloc"] = lle_X_malloc;
683 FuncNames["lle_X_calloc"] = lle_X_calloc;
684 FuncNames["lle_X_free"] = lle_X_free;
685 FuncNames["lle_X_atoi"] = lle_X_atoi;
686 FuncNames["lle_X_pow"] = lle_X_pow;
687 FuncNames["lle_X_exp"] = lle_X_exp;
688 FuncNames["lle_X_log"] = lle_X_log;
689 FuncNames["lle_X_floor"] = lle_X_floor;
690 FuncNames["lle_X_srand"] = lle_X_srand;
691 FuncNames["lle_X_rand"] = lle_X_rand;
693 FuncNames["lle_X_drand48"] = lle_X_drand48;
694 FuncNames["lle_X_srand48"] = lle_X_srand48;
695 FuncNames["lle_X_lrand48"] = lle_X_lrand48;
697 FuncNames["lle_X_sqrt"] = lle_X_sqrt;
698 FuncNames["lle_X_puts"] = lle_X_puts;
699 FuncNames["lle_X_printf"] = lle_X_printf;
700 FuncNames["lle_X_sprintf"] = lle_X_sprintf;
701 FuncNames["lle_X_sscanf"] = lle_X_sscanf;
702 FuncNames["lle_X_scanf"] = lle_X_scanf;
703 FuncNames["lle_i_clock"] = lle_i_clock;
705 FuncNames["lle_X_strcmp"] = lle_X_strcmp;
706 FuncNames["lle_X_strcat"] = lle_X_strcat;
707 FuncNames["lle_X_strcpy"] = lle_X_strcpy;
708 FuncNames["lle_X_strlen"] = lle_X_strlen;
709 FuncNames["lle_X___strdup"] = lle_X___strdup;
710 FuncNames["lle_X_memset"] = lle_X_memset;
711 FuncNames["lle_X_memcpy"] = lle_X_memcpy;
713 FuncNames["lle_X_fopen"] = lle_X_fopen;
714 FuncNames["lle_X_fclose"] = lle_X_fclose;
715 FuncNames["lle_X_feof"] = lle_X_feof;
716 FuncNames["lle_X_fread"] = lle_X_fread;
717 FuncNames["lle_X_fwrite"] = lle_X_fwrite;
718 FuncNames["lle_X_fgets"] = lle_X_fgets;
719 FuncNames["lle_X_fflush"] = lle_X_fflush;
720 FuncNames["lle_X_fgetc"] = lle_X_getc;
721 FuncNames["lle_X_getc"] = lle_X_getc;
722 FuncNames["lle_X__IO_getc"] = lle_X__IO_getc;
723 FuncNames["lle_X_fputc"] = lle_X_fputc;
724 FuncNames["lle_X_ungetc"] = lle_X_ungetc;
725 FuncNames["lle_X_fprintf"] = lle_X_fprintf;
726 FuncNames["lle_X_freopen"] = lle_X_freopen;