[llvm-commits] [llvm] r62553 - in /llvm/trunk: autoconf/configure.ac lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
sanjiv gupta
sanjiv.gupta at microchip.com
Thu Jan 22 02:41:39 PST 2009
On Wed, 2009-01-21 at 23:54 -0800, Nick Lewycky wrote:
> Evan Cheng wrote:
> >>
> >>
> >> -#ifdef __linux__
> >> -#include <cxxabi.h>
> >> +#ifdef HAVE_LIBFFI
> >> +#include FFI_HEADER
> >
> > Is this portable code? I am having trouble building on one of my Mac.
> >
> > llvm[3]: Compiling ExternalFunctions.cpp for Debug build
> > ExternalFunctions.cpp:37:10: error: #include expects "FILENAME" or
> > <FILENAME>
>
> I was hoping it would be, but apparently not.
>
> Could you tell me what your include/llvm/Config/config.h says for
> HAVE_LIBFFI and FFI_HEADER ? And if you happen to know, do you have
> libffi installed, and ffi.h?
>
> Nick
This breaks the build on my linux box with gcc 4.2.3.
config.h says
/* Path to ffi.h */
/* #undef FFI_HEADER */
/* Define to 1 if you have the libffi library (-lffi). */
#define HAVE_LIBFFI 1
>
> > Evan
> >>
> >
> >> #endif
> >>
> >> -using std::vector;
> >> -
> >> using namespace llvm;
> >>
> >> -typedef GenericValue (*ExFunc)(FunctionType *, const
> >> vector<GenericValue> &);
> >> -static ManagedStatic<std::map<const Function *, ExFunc> > Functions;
> >> +typedef GenericValue (*ExFunc)(const FunctionType *,
> >> + const std::vector<GenericValue> &);
> >> +static ManagedStatic<std::map<const Function *, ExFunc> >
> >> ExportedFunctions;
> >> static std::map<std::string, ExFunc> FuncNames;
> >>
> >> +#ifdef HAVE_LIBFFI
> >> +typedef void (*RawFunc)(void);
> >> +static ManagedStatic<std::map<const Function *, RawFunc> > RawFunctions;
> >> +#endif // HAVE_LIBFFI
> >> +
> >> static Interpreter *TheInterpreter;
> >>
> >> static char getTypeID(const Type *Ty) {
> >> @@ -89,34 +94,181 @@
> >> if (FnPtr == 0) // Try calling a generic function... if it exists...
> >> FnPtr =
> >> (ExFunc)(intptr_t)sys::DynamicLibrary::SearchForAddressOfSymbol(
> >> ("lle_X_"+F->getName()).c_str());
> >> - if (FnPtr == 0)
> >> - FnPtr = (ExFunc)(intptr_t)
> >> - sys::DynamicLibrary::SearchForAddressOfSymbol(F->getName());
> >> if (FnPtr != 0)
> >> - Functions->insert(std::make_pair(F, FnPtr)); // Cache for later
> >> + ExportedFunctions->insert(std::make_pair(F, FnPtr)); // Cache
> >> for later
> >> return FnPtr;
> >> }
> >>
> >> +#ifdef HAVE_LIBFFI
> >> +static ffi_type *ffiTypeFor(const Type *Ty) {
> >> + switch (Ty->getTypeID()) {
> >> + case Type::VoidTyID: return &ffi_type_void;
> >> + case Type::IntegerTyID:
> >> + switch (cast<IntegerType>(Ty)->getBitWidth()) {
> >> + case 8: return &ffi_type_sint8;
> >> + case 16: return &ffi_type_sint16;
> >> + case 32: return &ffi_type_sint32;
> >> + case 64: return &ffi_type_sint64;
> >> + }
> >> + case Type::FloatTyID: return &ffi_type_float;
> >> + case Type::DoubleTyID: return &ffi_type_double;
> >> + case Type::PointerTyID: return &ffi_type_pointer;
> >> + default: break;
> >> + }
> >> + // TODO: Support other types such as StructTyID, ArrayTyID,
> >> OpaqueTyID, etc.
> >> + cerr << "Type could not be mapped for use with libffi.\n";
> >> + abort();
> >> + return NULL;
> >> +}
> >> +
> >> +static void *ffiValueFor(const Type *Ty, const GenericValue &AV,
> >> + void *ArgDataPtr) {
> >> + switch (Ty->getTypeID()) {
> >> + case Type::IntegerTyID:
> >> + switch (cast<IntegerType>(Ty)->getBitWidth()) {
> >> + case 8: {
> >> + int8_t *I8Ptr = (int8_t *) ArgDataPtr;
> >> + *I8Ptr = (int8_t) AV.IntVal.getZExtValue();
> >> + return ArgDataPtr;
> >> + }
> >> + case 16: {
> >> + int16_t *I16Ptr = (int16_t *) ArgDataPtr;
> >> + *I16Ptr = (int16_t) AV.IntVal.getZExtValue();
> >> + return ArgDataPtr;
> >> + }
> >> + case 32: {
> >> + int32_t *I32Ptr = (int32_t *) ArgDataPtr;
> >> + *I32Ptr = (int32_t) AV.IntVal.getZExtValue();
> >> + return ArgDataPtr;
> >> + }
> >> + case 64: {
> >> + int64_t *I64Ptr = (int64_t *) ArgDataPtr;
> >> + *I64Ptr = (int64_t) AV.IntVal.getZExtValue();
> >> + return ArgDataPtr;
> >> + }
> >> + }
> >> + case Type::FloatTyID: {
> >> + float *FloatPtr = (float *) ArgDataPtr;
> >> + *FloatPtr = AV.DoubleVal;
> >> + return ArgDataPtr;
> >> + }
> >> + case Type::DoubleTyID: {
> >> + double *DoublePtr = (double *) ArgDataPtr;
> >> + *DoublePtr = AV.DoubleVal;
> >> + return ArgDataPtr;
> >> + }
> >> + case Type::PointerTyID: {
> >> + void **PtrPtr = (void **) ArgDataPtr;
> >> + *PtrPtr = GVTOP(AV);
> >> + return ArgDataPtr;
> >> + }
> >> + default: break;
> >> + }
> >> + // TODO: Support other types such as StructTyID, ArrayTyID,
> >> OpaqueTyID, etc.
> >> + cerr << "Type value could not be mapped for use with libffi.\n";
> >> + abort();
> >> + return NULL;
> >> +}
> >> +
> >> +static bool ffiInvoke(RawFunc Fn, Function *F,
> >> + const std::vector<GenericValue> &ArgVals,
> >> + const TargetData *TD, GenericValue &Result) {
> >> + ffi_cif cif;
> >> + const FunctionType *FTy = F->getFunctionType();
> >> + const unsigned NumArgs = F->arg_size();
> >> +
> >> + // TODO: We don't have type information about the remaining
> >> arguments, because
> >> + // this information is never passed into
> >> ExecutionEngine::runFunction().
> >> + if (ArgVals.size() > NumArgs && F->isVarArg()) {
> >> + cerr << "Calling external var arg function '" << F->getName()
> >> + << "' is not supported by the Interpreter.\n";
> >> + abort();
> >> + }
> >> +
> >> + unsigned ArgBytes = 0;
> >> +
> >> + std::vector<ffi_type*> args(NumArgs);
> >> + for (Function::const_arg_iterator A = F->arg_begin(), E = F->arg_end();
> >> + A != E; ++A) {
> >> + const unsigned ArgNo = A->getArgNo();
> >> + const Type *ArgTy = FTy->getParamType(ArgNo);
> >> + args[ArgNo] = ffiTypeFor(ArgTy);
> >> + ArgBytes += TD->getTypeStoreSize(ArgTy);
> >> + }
> >> +
> >> + uint8_t *ArgData = (uint8_t*) alloca(ArgBytes);
> >> + uint8_t *ArgDataPtr = ArgData;
> >> + std::vector<void*> values(NumArgs);
> >> + for (Function::const_arg_iterator A = F->arg_begin(), E = F->arg_end();
> >> + A != E; ++A) {
> >> + const unsigned ArgNo = A->getArgNo();
> >> + const Type *ArgTy = FTy->getParamType(ArgNo);
> >> + values[ArgNo] = ffiValueFor(ArgTy, ArgVals[ArgNo], ArgDataPtr);
> >> + ArgDataPtr += TD->getTypeStoreSize(ArgTy);
> >> + }
> >> +
> >> + const Type *RetTy = FTy->getReturnType();
> >> + ffi_type *rtype = ffiTypeFor(RetTy);
> >> +
> >> + if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, NumArgs, rtype, &args[0])
> >> == FFI_OK) {
> >> + void *ret = NULL;
> >> + if (RetTy->getTypeID() != Type::VoidTyID)
> >> + ret = alloca(TD->getTypeStoreSize(RetTy));
> >> + ffi_call(&cif, Fn, ret, &values[0]);
> >> + switch (RetTy->getTypeID()) {
> >> + case Type::IntegerTyID:
> >> + switch (cast<IntegerType>(RetTy)->getBitWidth()) {
> >> + case 8: Result.IntVal = APInt(8 , *(int8_t *) ret); break;
> >> + case 16: Result.IntVal = APInt(16, *(int16_t*) ret); break;
> >> + case 32: Result.IntVal = APInt(32, *(int32_t*) ret); break;
> >> + case 64: Result.IntVal = APInt(64, *(int64_t*) ret); break;
> >> + }
> >> + break;
> >> + case Type::FloatTyID: Result.FloatVal = *(float *) ret; break;
> >> + case Type::DoubleTyID: Result.DoubleVal = *(double*) ret; break;
> >> + case Type::PointerTyID: Result.PointerVal = *(void **) ret; break;
> >> + default: break;
> >> + }
> >> + return true;
> >> + }
> >> +
> >> + return false;
> >> +}
> >> +#endif // HAVE_LIBFFI
> >> +
> >> GenericValue Interpreter::callExternalFunction(Function *F,
> >> const std::vector<GenericValue>
> >> &ArgVals) {
> >> TheInterpreter = this;
> >>
> >> // Do a lookup to see if the function is in our cache... this should
> >> just be a
> >> // deferred annotation!
> >> - std::map<const Function *, ExFunc>::iterator FI = Functions->find(F);
> >> - ExFunc Fn = (FI == Functions->end()) ? lookupFunction(F) : FI->second;
> >> - if (Fn == 0) {
> >> - cerr << "Tried to **MOBILE CODE** an unknown external function: "
> >> - << F->getType()->getDescription() << " " << F->getName() <<
> >> "\n";
> >> - if (F->getName() == "__main")
> >> - return GenericValue();
> >> - abort();
> >> + std::map<const Function *, ExFunc>::iterator FI =
> >> ExportedFunctions->find(F);
> >> + if (ExFunc Fn = (FI == ExportedFunctions->end()) ? lookupFunction(F)
> >> + : FI->second)
> >> + return Fn(F->getFunctionType(), ArgVals);
> >> +
> >> +#ifdef HAVE_LIBFFI
> >> + std::map<const Function *, RawFunc>::iterator RF =
> >> RawFunctions->find(F);
> >> + RawFunc RawFn;
> >> + if (RF == RawFunctions->end()) {
> >> + RawFn = (RawFunc)(intptr_t)
> >> + sys::DynamicLibrary::SearchForAddressOfSymbol(F->getName());
> >> + if (RawFn != 0)
> >> + RawFunctions->insert(std::make_pair(F, RawFn)); // Cache for later
> >> + } else {
> >> + RawFn = RF->second;
> >> }
> >>
> >> - // TODO: FIXME when types are not const!
> >> - GenericValue Result =
> >> Fn(const_cast<FunctionType*>(F->getFunctionType()),
> >> - ArgVals);
> >> - return Result;
> >> + GenericValue Result;
> >> + if (RawFn != 0 && ffiInvoke(RawFn, F, ArgVals, getTargetData(),
> >> Result))
> >> + return Result;
> >> +#endif // HAVE_LIBFFI
> >> +
> >> + cerr << "Tried to **MOBILE CODE** an unknown external function: "
> >> + << F->getType()->getDescription() << " " << F->getName() << "\n";
> >> + if (F->getName() != "__main")
> >> + abort();
> >> + return GenericValue();
> >> }
> >>
> >>
> >> @@ -125,24 +277,9 @@
> >> //
> >> extern "C" { // Don't add C++ manglings to llvm mangling :)
> >>
> >> -// void putchar(ubyte)
> >> -GenericValue lle_X_putchar(FunctionType *FT, const
> >> vector<GenericValue> &Args){
> >> - cout << ((char)Args[0].IntVal.getZExtValue()) << std::flush;
> >> - return Args[0];
> >> -}
> >> -
> >> -// void _IO_putc(int c, FILE* fp)
> >> -GenericValue lle_X__IO_putc(FunctionType *FT, const
> >> vector<GenericValue> &Args){
> >> -#ifdef __linux__
> >> - _IO_putc((char)Args[0].IntVal.getZExtValue(), (FILE*)
> >> Args[1].PointerVal);
> >> -#else
> >> - assert(0 && "Can't call _IO_putc on this platform");
> >> -#endif
> >> - return Args[0];
> >> -}
> >> -
> >> // void atexit(Function*)
> >> -GenericValue lle_X_atexit(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> +GenericValue lle_X_atexit(const FunctionType *FT,
> >> + const std::vector<GenericValue> &Args) {
> >> assert(Args.size() == 1);
> >> TheInterpreter->addAtExitHandler((Function*)GVTOP(Args[0]));
> >> GenericValue GV;
> >> @@ -151,163 +288,23 @@
> >> }
> >>
> >> // void exit(int)
> >> -GenericValue lle_X_exit(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> +GenericValue lle_X_exit(const FunctionType *FT,
> >> + const std::vector<GenericValue> &Args) {
> >> TheInterpreter->exitCalled(Args[0]);
> >> return GenericValue();
> >> }
> >>
> >> // void abort(void)
> >> -GenericValue lle_X_abort(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> +GenericValue lle_X_abort(const FunctionType *FT,
> >> + const std::vector<GenericValue> &Args) {
> >> raise (SIGABRT);
> >> return GenericValue();
> >> }
> >>
> >> -// void *malloc(uint)
> >> -GenericValue lle_X_malloc(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 1 && "Malloc expects one argument!");
> >> - assert(isa<PointerType>(FT->getReturnType()) && "malloc must return
> >> pointer");
> >> - return PTOGV(malloc(Args[0].IntVal.getZExtValue()));
> >> -}
> >> -
> >> -// void *calloc(uint, uint)
> >> -GenericValue lle_X_calloc(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 2 && "calloc expects two arguments!");
> >> - assert(isa<PointerType>(FT->getReturnType()) && "calloc must return
> >> pointer");
> >> - return PTOGV(calloc(Args[0].IntVal.getZExtValue(),
> >> - Args[1].IntVal.getZExtValue()));
> >> -}
> >> -
> >> -// void *calloc(uint, uint)
> >> -GenericValue lle_X_realloc(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 2 && "calloc expects two arguments!");
> >> - assert(isa<PointerType>(FT->getReturnType()) &&"realloc must return
> >> pointer");
> >> - return PTOGV(realloc(GVTOP(Args[0]), Args[1].IntVal.getZExtValue()));
> >> -}
> >> -
> >> -// void free(void *)
> >> -GenericValue lle_X_free(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - free(GVTOP(Args[0]));
> >> - return GenericValue();
> >> -}
> >> -
> >> -// int atoi(char *)
> >> -GenericValue lle_X_atoi(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, atoi((char*)GVTOP(Args[0])));
> >> - return GV;
> >> -}
> >> -
> >> -// double pow(double, double)
> >> -GenericValue lle_X_pow(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 2);
> >> - GenericValue GV;
> >> - GV.DoubleVal = pow(Args[0].DoubleVal, Args[1].DoubleVal);
> >> - return GV;
> >> -}
> >> -
> >> -// double sin(double)
> >> -GenericValue lle_X_sin(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.DoubleVal = sin(Args[0].DoubleVal);
> >> - return GV;
> >> -}
> >> -
> >> -// double cos(double)
> >> -GenericValue lle_X_cos(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.DoubleVal = cos(Args[0].DoubleVal);
> >> - return GV;
> >> -}
> >> -
> >> -// double exp(double)
> >> -GenericValue lle_X_exp(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.DoubleVal = exp(Args[0].DoubleVal);
> >> - return GV;
> >> -}
> >> -
> >> -// double sqrt(double)
> >> -GenericValue lle_X_sqrt(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.DoubleVal = sqrt(Args[0].DoubleVal);
> >> - return GV;
> >> -}
> >> -
> >> -// double log(double)
> >> -GenericValue lle_X_log(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.DoubleVal = log(Args[0].DoubleVal);
> >> - return GV;
> >> -}
> >> -
> >> -// double floor(double)
> >> -GenericValue lle_X_floor(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.DoubleVal = floor(Args[0].DoubleVal);
> >> - return GV;
> >> -}
> >> -
> >> -#ifdef HAVE_RAND48
> >> -
> >> -// double drand48()
> >> -GenericValue lle_X_drand48(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.empty());
> >> - GenericValue GV;
> >> - GV.DoubleVal = drand48();
> >> - return GV;
> >> -}
> >> -
> >> -// long lrand48()
> >> -GenericValue lle_X_lrand48(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.empty());
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, lrand48());
> >> - return GV;
> >> -}
> >> -
> >> -// void srand48(long)
> >> -GenericValue lle_X_srand48(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 1);
> >> - srand48(Args[0].IntVal.getZExtValue());
> >> - return GenericValue();
> >> -}
> >> -
> >> -#endif
> >> -
> >> -// int rand()
> >> -GenericValue lle_X_rand(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.empty());
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, rand());
> >> - return GV;
> >> -}
> >> -
> >> -// void srand(uint)
> >> -GenericValue lle_X_srand(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - srand(Args[0].IntVal.getZExtValue());
> >> - return GenericValue();
> >> -}
> >> -
> >> -// int puts(const char*)
> >> -GenericValue lle_X_puts(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, puts((char*)GVTOP(Args[0])));
> >> - return GV;
> >> -}
> >> -
> >> -// int sprintf(sbyte *, sbyte *, ...) - a very rough implementation
> >> to make
> >> +// int sprintf(char *, const char *, ...) - a very rough
> >> implementation to make
> >> // output useful.
> >> -GenericValue lle_X_sprintf(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> +GenericValue lle_X_sprintf(const FunctionType *FT,
> >> + const std::vector<GenericValue> &Args) {
> >> char *OutputBuffer = (char *)GVTOP(Args[0]);
> >> const char *FmtStr = (const char *)GVTOP(Args[1]);
> >> unsigned ArgNo = 2;
> >> @@ -384,10 +381,12 @@
> >> return GV;
> >> }
> >>
> >> -// int printf(sbyte *, ...) - a very rough implementation to make
> >> output useful.
> >> -GenericValue lle_X_printf(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> +// int printf(const char *, ...) - a very rough implementation to
> >> make output
> >> +// useful.
> >> +GenericValue lle_X_printf(const FunctionType *FT,
> >> + const std::vector<GenericValue> &Args) {
> >> char Buffer[10000];
> >> - vector<GenericValue> NewArgs;
> >> + std::vector<GenericValue> NewArgs;
> >> NewArgs.push_back(PTOGV((void*)&Buffer[0]));
> >> NewArgs.insert(NewArgs.end(), Args.begin(), Args.end());
> >> GenericValue GV = lle_X_sprintf(FT, NewArgs);
> >> @@ -472,7 +471,8 @@
> >> }
> >>
> >> // int sscanf(const char *format, ...);
> >> -GenericValue lle_X_sscanf(FunctionType *FT, const
> >> vector<GenericValue> &args) {
> >> +GenericValue lle_X_sscanf(const FunctionType *FT,
> >> + const std::vector<GenericValue> &args) {
> >> assert(args.size() < 10 && "Only handle up to 10 args to sscanf
> >> right now!");
> >>
> >> char *Args[10];
> >> @@ -488,7 +488,8 @@
> >> }
> >>
> >> // int scanf(const char *format, ...);
> >> -GenericValue lle_X_scanf(FunctionType *FT, const vector<GenericValue>
> >> &args) {
> >> +GenericValue lle_X_scanf(const FunctionType *FT,
> >> + const std::vector<GenericValue> &args) {
> >> assert(args.size() < 10 && "Only handle up to 10 args to scanf right
> >> now!");
> >>
> >> char *Args[10];
> >> @@ -503,324 +504,33 @@
> >> return GV;
> >> }
> >>
> >> -
> >> -// int clock(void) - Profiling implementation
> >> -GenericValue lle_i_clock(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - extern unsigned int clock(void);
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, clock());
> >> - return GV;
> >> -}
> >> -
> >> -
> >> -//===----------------------------------------------------------------------===//
> >> -// String Functions...
> >> -//===----------------------------------------------------------------------===//
> >> -
> >> -// int strcmp(const char *S1, const char *S2);
> >> -GenericValue lle_X_strcmp(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 2);
> >> - GenericValue Ret;
> >> - Ret.IntVal = APInt(32, strcmp((char*)GVTOP(Args[0]),
> >> (char*)GVTOP(Args[1])));
> >> - return Ret;
> >> -}
> >> -
> >> -// char *strcat(char *Dest, const char *src);
> >> -GenericValue lle_X_strcat(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 2);
> >> - assert(isa<PointerType>(FT->getReturnType()) &&"strcat must return
> >> pointer");
> >> - return PTOGV(strcat((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1])));
> >> -}
> >> -
> >> -// char *strcpy(char *Dest, const char *src);
> >> -GenericValue lle_X_strcpy(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 2);
> >> - assert(isa<PointerType>(FT->getReturnType()) &&"strcpy must return
> >> pointer");
> >> - return PTOGV(strcpy((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1])));
> >> -}
> >> -
> >> -static GenericValue size_t_to_GV (size_t n) {
> >> - GenericValue Ret;
> >> - if (sizeof (size_t) == sizeof (uint64_t)) {
> >> - Ret.IntVal = APInt(64, n);
> >> - } else {
> >> - assert (sizeof (size_t) == sizeof (unsigned int));
> >> - Ret.IntVal = APInt(32, n);
> >> - }
> >> - return Ret;
> >> -}
> >> -
> >> -static size_t GV_to_size_t (GenericValue GV) {
> >> - size_t count;
> >> - if (sizeof (size_t) == sizeof (uint64_t)) {
> >> - count = (size_t)GV.IntVal.getZExtValue();
> >> - } else {
> >> - assert (sizeof (size_t) == sizeof (unsigned int));
> >> - count = (size_t)GV.IntVal.getZExtValue();
> >> - }
> >> - return count;
> >> -}
> >> -
> >> -// size_t strlen(const char *src);
> >> -GenericValue lle_X_strlen(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 1);
> >> - size_t strlenResult = strlen ((char *) GVTOP (Args[0]));
> >> - return size_t_to_GV (strlenResult);
> >> -}
> >> -
> >> -// char *strdup(const char *src);
> >> -GenericValue lle_X_strdup(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 1);
> >> - assert(isa<PointerType>(FT->getReturnType()) && "strdup must return
> >> pointer");
> >> - return PTOGV(strdup((char*)GVTOP(Args[0])));
> >> -}
> >> -
> >> -// char *__strdup(const char *src);
> >> -GenericValue lle_X___strdup(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 1);
> >> - assert(isa<PointerType>(FT->getReturnType()) &&"_strdup must return
> >> pointer");
> >> - return PTOGV(strdup((char*)GVTOP(Args[0])));
> >> -}
> >> -
> >> -// void *memset(void *S, int C, size_t N)
> >> -GenericValue lle_X_memset(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 3);
> >> - size_t count = GV_to_size_t (Args[2]);
> >> - assert(isa<PointerType>(FT->getReturnType()) && "memset must return
> >> pointer");
> >> - return PTOGV(memset(GVTOP(Args[0]),
> >> uint32_t(Args[1].IntVal.getZExtValue()),
> >> - count));
> >> -}
> >> -
> >> -// void *memcpy(void *Dest, void *src, size_t Size);
> >> -GenericValue lle_X_memcpy(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 3);
> >> - assert(isa<PointerType>(FT->getReturnType()) && "memcpy must return
> >> pointer");
> >> - size_t count = GV_to_size_t (Args[2]);
> >> - return PTOGV(memcpy((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]),
> >> count));
> >> -}
> >> -
> >> -// void *memcpy(void *Dest, void *src, size_t Size);
> >> -GenericValue lle_X_memmove(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 3);
> >> - assert(isa<PointerType>(FT->getReturnType()) && "memmove must
> >> return pointer");
> >> - size_t count = GV_to_size_t (Args[2]);
> >> - return PTOGV(memmove((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]),
> >> count));
> >> -}
> >> -
> >> -//===----------------------------------------------------------------------===//
> >> -// IO Functions...
> >> -//===----------------------------------------------------------------------===//
> >> -
> >> -// **MOBILE CODE** - Turn a pointer in the host address space into a legit
> >> pointer in
> >> -// the interpreter address space. This is an identity transformation.
> >> -#define **MOBILE CODE**(ptr) ((FILE*)ptr)
> >> -
> >> -// FILE *fopen(const char *filename, const char *mode);
> >> -GenericValue lle_X_fopen(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 2);
> >> - assert(isa<PointerType>(FT->getReturnType()) && "fopen must return
> >> pointer");
> >> - return PTOGV(fopen((const char *)GVTOP(Args[0]),
> >> - (const char *)GVTOP(Args[1])));
> >> -}
> >> -
> >> -// int fclose(FILE *F);
> >> -GenericValue lle_X_fclose(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, fclose(**MOBILE CODE**(GVTOP(Args[0]))));
> >> - return GV;
> >> -}
> >> -
> >> -// int feof(FILE *stream);
> >> -GenericValue lle_X_feof(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> -
> >> - GV.IntVal = APInt(32, feof(**MOBILE CODE**(GVTOP(Args[0]))));
> >> - return GV;
> >> -}
> >> -
> >> -// size_t fread(void *ptr, size_t size, size_t nitems, FILE *stream);
> >> -GenericValue lle_X_fread(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 4);
> >> - size_t result;
> >> -
> >> - result = fread((void*)GVTOP(Args[0]), GV_to_size_t (Args[1]),
> >> - GV_to_size_t (Args[2]), **MOBILE CODE**(GVTOP(Args[3])));
> >> - return size_t_to_GV (result);
> >> -}
> >> -
> >> -// size_t fwrite(const void *ptr, size_t size, size_t nitems, FILE
> >> *stream);
> >> -GenericValue lle_X_fwrite(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 4);
> >> - size_t result;
> >> -
> >> - result = fwrite((void*)GVTOP(Args[0]), GV_to_size_t (Args[1]),
> >> - GV_to_size_t (Args[2]), **MOBILE CODE**(GVTOP(Args[3])));
> >> - return size_t_to_GV (result);
> >> -}
> >> -
> >> -// char *fgets(char *s, int n, FILE *stream);
> >> -GenericValue lle_X_fgets(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 3);
> >> - return PTOGV(fgets((char*)GVTOP(Args[0]),
> >> Args[1].IntVal.getZExtValue(),
> >> - **MOBILE CODE**(GVTOP(Args[2]))));
> >> -}
> >> -
> >> -// FILE *freopen(const char *path, const char *mode, FILE *stream);
> >> -GenericValue lle_X_freopen(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 3);
> >> - assert(isa<PointerType>(FT->getReturnType()) &&"freopen must return
> >> pointer");
> >> - return PTOGV(freopen((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]),
> >> - **MOBILE CODE**(GVTOP(Args[2]))));
> >> -}
> >> -
> >> -// int fflush(FILE *stream);
> >> -GenericValue lle_X_fflush(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, fflush(**MOBILE CODE**(GVTOP(Args[0]))));
> >> - return GV;
> >> -}
> >> -
> >> -// int getc(FILE *stream);
> >> -GenericValue lle_X_getc(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, getc(**MOBILE CODE**(GVTOP(Args[0]))));
> >> - return GV;
> >> -}
> >> -
> >> -// int _IO_getc(FILE *stream);
> >> -GenericValue lle_X__IO_getc(FunctionType *F, const
> >> vector<GenericValue> &Args) {
> >> - return lle_X_getc(F, Args);
> >> -}
> >> -
> >> -// int fputc(int C, FILE *stream);
> >> -GenericValue lle_X_fputc(FunctionType *FT, const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 2);
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, fputc(Args[0].IntVal.getZExtValue(),
> >> - **MOBILE CODE**(GVTOP(Args[1]))));
> >> - return GV;
> >> -}
> >> -
> >> -// int ungetc(int C, FILE *stream);
> >> -GenericValue lle_X_ungetc(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 2);
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, ungetc(Args[0].IntVal.getZExtValue(),
> >> - **MOBILE CODE**(GVTOP(Args[1]))));
> >> - return GV;
> >> -}
> >> -
> >> -// int ferror (FILE *stream);
> >> -GenericValue lle_X_ferror(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> - GV.IntVal = APInt(32, ferror (**MOBILE CODE**(GVTOP(Args[0]))));
> >> - return GV;
> >> -}
> >> -
> >> -// int fprintf(FILE *,sbyte *, ...) - a very rough implementation to
> >> make output
> >> -// useful.
> >> -GenericValue lle_X_fprintf(FunctionType *FT, const
> >> vector<GenericValue> &Args) {
> >> +// int fprintf(FILE *, const char *, ...) - a very rough
> >> implementation to make
> >> +// output useful.
> >> +GenericValue lle_X_fprintf(const FunctionType *FT,
> >> + const std::vector<GenericValue> &Args) {
> >> assert(Args.size() >= 2);
> >> char Buffer[10000];
> >> - vector<GenericValue> NewArgs;
> >> + std::vector<GenericValue> NewArgs;
> >> NewArgs.push_back(PTOGV(Buffer));
> >> NewArgs.insert(NewArgs.end(), Args.begin()+1, Args.end());
> >> GenericValue GV = lle_X_sprintf(FT, NewArgs);
> >>
> >> - fputs(Buffer, **MOBILE CODE**(GVTOP(Args[0])));
> >> - return GV;
> >> -}
> >> -
> >> -// int __cxa_guard_acquire (__guard *g);
> >> -GenericValue lle_X___cxa_guard_acquire(FunctionType *FT,
> >> - const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> - GenericValue GV;
> >> -#ifdef __linux__
> >> - GV.IntVal = APInt(32, __cxxabiv1::__cxa_guard_acquire (
> >> - (__cxxabiv1::__guard*)GVTOP(Args[0])));
> >> -#else
> >> - assert(0 && "Can't call __cxa_guard_acquire on this platform");
> >> -#endif
> >> + fputs(Buffer, (FILE *) GVTOP(Args[0]));
> >> return GV;
> >> }
> >>
> >> -// void __cxa_guard_release (__guard *g);
> >> -GenericValue lle_X___cxa_guard_release(FunctionType *FT,
> >> - const vector<GenericValue>
> >> &Args) {
> >> - assert(Args.size() == 1);
> >> -#ifdef __linux__
> >> - __cxxabiv1::__cxa_guard_release ((__cxxabiv1::__guard*)GVTOP(Args[0]));
> >> -#else
> >> - assert(0 && "Can't call __cxa_guard_release on this platform");
> >> -#endif
> >> - return GenericValue();
> >> -}
> >> -
> >> } // End extern "C"
> >>
> >>
> >> void Interpreter::initializeExternalFunctions() {
> >> - FuncNames["lle_X_putchar"] = lle_X_putchar;
> >> - FuncNames["lle_X__IO_putc"] = lle_X__IO_putc;
> >> + FuncNames["lle_X_atexit"] = lle_X_atexit;
> >> FuncNames["lle_X_exit"] = lle_X_exit;
> >> FuncNames["lle_X_abort"] = lle_X_abort;
> >> - FuncNames["lle_X_malloc"] = lle_X_malloc;
> >> - FuncNames["lle_X_calloc"] = lle_X_calloc;
> >> - FuncNames["lle_X_realloc"] = lle_X_realloc;
> >> - FuncNames["lle_X_free"] = lle_X_free;
> >> - FuncNames["lle_X_atoi"] = lle_X_atoi;
> >> - FuncNames["lle_X_pow"] = lle_X_pow;
> >> - FuncNames["lle_X_sin"] = lle_X_sin;
> >> - FuncNames["lle_X_cos"] = lle_X_cos;
> >> - FuncNames["lle_X_exp"] = lle_X_exp;
> >> - FuncNames["lle_X_log"] = lle_X_log;
> >> - FuncNames["lle_X_floor"] = lle_X_floor;
> >> - FuncNames["lle_X_srand"] = lle_X_srand;
> >> - FuncNames["lle_X_rand"] = lle_X_rand;
> >> -#ifdef HAVE_RAND48
> >> - FuncNames["lle_X_drand48"] = lle_X_drand48;
> >> - FuncNames["lle_X_srand48"] = lle_X_srand48;
> >> - FuncNames["lle_X_lrand48"] = lle_X_lrand48;
> >> -#endif
> >> - FuncNames["lle_X_sqrt"] = lle_X_sqrt;
> >> - FuncNames["lle_X_puts"] = lle_X_puts;
> >> +
> >> FuncNames["lle_X_printf"] = lle_X_printf;
> >> FuncNames["lle_X_sprintf"] = lle_X_sprintf;
> >> FuncNames["lle_X_sscanf"] = lle_X_sscanf;
> >> FuncNames["lle_X_scanf"] = lle_X_scanf;
> >> - FuncNames["lle_i_clock"] = lle_i_clock;
> >> -
> >> - FuncNames["lle_X_strcmp"] = lle_X_strcmp;
> >> - FuncNames["lle_X_strcat"] = lle_X_strcat;
> >> - FuncNames["lle_X_strcpy"] = lle_X_strcpy;
> >> - FuncNames["lle_X_strlen"] = lle_X_strlen;
> >> - FuncNames["lle_X___strdup"] = lle_X___strdup;
> >> - FuncNames["lle_X_memset"] = lle_X_memset;
> >> - FuncNames["lle_X_memcpy"] = lle_X_memcpy;
> >> - FuncNames["lle_X_memmove"] = lle_X_memmove;
> >> -
> >> - FuncNames["lle_X_fopen"] = lle_X_fopen;
> >> - FuncNames["lle_X_fclose"] = lle_X_fclose;
> >> - FuncNames["lle_X_feof"] = lle_X_feof;
> >> - FuncNames["lle_X_fread"] = lle_X_fread;
> >> - FuncNames["lle_X_fwrite"] = lle_X_fwrite;
> >> - FuncNames["lle_X_fgets"] = lle_X_fgets;
> >> - FuncNames["lle_X_fflush"] = lle_X_fflush;
> >> - FuncNames["lle_X_fgetc"] = lle_X_getc;
> >> - FuncNames["lle_X_getc"] = lle_X_getc;
> >> - FuncNames["lle_X__IO_getc"] = lle_X__IO_getc;
> >> - FuncNames["lle_X_fputc"] = lle_X_fputc;
> >> - FuncNames["lle_X_ungetc"] = lle_X_ungetc;
> >> FuncNames["lle_X_fprintf"] = lle_X_fprintf;
> >> - FuncNames["lle_X_freopen"] = lle_X_freopen;
> >> -
> >> - FuncNames["lle_X___cxa_guard_acquire"] = lle_X___cxa_guard_acquire;
> >> - FuncNames["lle_X____cxa_guard_release"] = lle_X___cxa_guard_release;
> >> }
> >>
> >>
> >>
> >> _______________________________________________
> >> llvm-commits mailing list
> >> llvm-commits at cs.uiuc.edu <mailto:llvm-commits at cs.uiuc.edu>
> >> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > llvm-commits mailing list
> > llvm-commits at cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>
> _______________________________________________
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> llvm-commits at cs.uiuc.edu
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