//===----------------------------------------------------------------------===//
#include "Interpreter.h"
+#include "ExecutionAnnotations.h"
+#include "llvm/Module.h"
#include "llvm/DerivedTypes.h"
-#include "../test/Libraries/libinstr/tracelib.h"
+#include "llvm/SymbolTable.h"
+#include "llvm/Target/TargetData.h"
#include <map>
#include <dlfcn.h>
-#include <iostream>
#include <link.h>
#include <math.h>
#include <stdio.h>
using std::vector;
-using std::cout;
-
typedef GenericValue (*ExFunc)(FunctionType *, const vector<GenericValue> &);
static std::map<const Function *, ExFunc> Functions;
ExtName += getTypeID(Ty);
ExtName += "_" + M->getName();
- //cout << "Tried: '" << ExtName << "'\n";
+ //std::cout << "Tried: '" << ExtName << "'\n";
ExFunc FnPtr = FuncNames[ExtName];
if (FnPtr == 0)
FnPtr = (ExFunc)dlsym(RTLD_DEFAULT, ExtName.c_str());
return FnPtr;
}
-GenericValue Interpreter::callExternalMethod(Function *M,
- const vector<GenericValue> &ArgVals) {
+GenericValue Interpreter::callExternalFunction(Function *M,
+ const std::vector<GenericValue> &ArgVals) {
TheInterpreter = this;
// Do a lookup to see if the function is in our cache... this should just be a
std::map<const Function *, ExFunc>::iterator FI = Functions.find(M);
ExFunc Fn = (FI == Functions.end()) ? lookupFunction(M) : FI->second;
if (Fn == 0) {
- cout << "Tried to execute an unknown external function: "
- << M->getType()->getDescription() << " " << M->getName() << "\n";
+ std::cout << "Tried to execute an unknown external function: "
+ << M->getType()->getDescription() << " " << M->getName() << "\n";
return GenericValue();
}
//
extern "C" { // Don't add C++ manglings to llvm mangling :)
-// Implement void printstr([ubyte {x N}] *)
-GenericValue lle_VP_printstr(FunctionType *M, const vector<GenericValue> &ArgVal){
- assert(ArgVal.size() == 1 && "printstr only takes one argument!");
- cout << (char*)ArgVal[0].PointerVal;
- return GenericValue();
-}
-
-// Implement 'void print(X)' for every type...
-GenericValue lle_X_print(FunctionType *M, const vector<GenericValue> &ArgVals) {
- assert(ArgVals.size() == 1 && "generic print only takes one argument!");
-
- Interpreter::print(M->getParamTypes()[0], ArgVals[0]);
- return GenericValue();
-}
-
-// Implement 'void printVal(X)' for every type...
-GenericValue lle_X_printVal(FunctionType *M, const vector<GenericValue> &ArgVal) {
- assert(ArgVal.size() == 1 && "generic print only takes one argument!");
-
- // Specialize print([ubyte {x N} ] *) and print(sbyte *)
- if (PointerType *PTy = dyn_cast<PointerType>(M->getParamTypes()[0].get()))
- if (PTy->getElementType() == Type::SByteTy ||
- isa<ArrayType>(PTy->getElementType())) {
- return lle_VP_printstr(M, ArgVal);
- }
-
- Interpreter::printValue(M->getParamTypes()[0], ArgVal[0]);
- return GenericValue();
-}
-
-// Implement 'void printString(X)'
-// Argument must be [ubyte {x N} ] * or sbyte *
-GenericValue lle_X_printString(FunctionType *M, const vector<GenericValue> &ArgVal) {
- assert(ArgVal.size() == 1 && "generic print only takes one argument!");
- return lle_VP_printstr(M, ArgVal);
-}
-
-// Implement 'void print<TYPE>(X)' for each primitive type or pointer type
-#define PRINT_TYPE_FUNC(TYPENAME,TYPEID) \
- GenericValue lle_X_print##TYPENAME(FunctionType *M,\
- const vector<GenericValue> &ArgVal) {\
- assert(ArgVal.size() == 1 && "generic print only takes one argument!");\
- assert(M->getParamTypes()[0].get()->getPrimitiveID() == Type::TYPEID);\
- Interpreter::printValue(M->getParamTypes()[0], ArgVal[0]);\
- return GenericValue();\
- }
-
-PRINT_TYPE_FUNC(SByte, SByteTyID)
-PRINT_TYPE_FUNC(UByte, UByteTyID)
-PRINT_TYPE_FUNC(Short, ShortTyID)
-PRINT_TYPE_FUNC(UShort, UShortTyID)
-PRINT_TYPE_FUNC(Int, IntTyID)
-PRINT_TYPE_FUNC(UInt, UIntTyID)
-PRINT_TYPE_FUNC(Long, LongTyID)
-PRINT_TYPE_FUNC(ULong, ULongTyID)
-PRINT_TYPE_FUNC(Float, FloatTyID)
-PRINT_TYPE_FUNC(Double, DoubleTyID)
-PRINT_TYPE_FUNC(Pointer, PointerTyID)
-
-
-// void "putchar"(sbyte)
+// void putchar(sbyte)
GenericValue lle_Vb_putchar(FunctionType *M, const vector<GenericValue> &Args) {
- cout << Args[0].SByteVal;
+ std::cout << Args[0].SByteVal;
return GenericValue();
}
-// int "putchar"(int)
+// int putchar(int)
GenericValue lle_ii_putchar(FunctionType *M, const vector<GenericValue> &Args) {
- cout << ((char)Args[0].IntVal) << std::flush;
+ std::cout << ((char)Args[0].IntVal) << std::flush;
return Args[0];
}
-// void "putchar"(ubyte)
+// void putchar(ubyte)
GenericValue lle_VB_putchar(FunctionType *M, const vector<GenericValue> &Args) {
- cout << Args[0].SByteVal << std::flush;
+ std::cout << Args[0].SByteVal << std::flush;
return Args[0];
}
-// void "__main"()
-GenericValue lle_V___main(FunctionType *M, const vector<GenericValue> &Args) {
- return GenericValue();
+// void atexit(Function*)
+GenericValue lle_X_atexit(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 1);
+ TheInterpreter->addAtExitHandler((Function*)GVTOP(Args[0]));
+ GenericValue GV;
+ GV.IntVal = 0;
+ return GV;
}
-// void "exit"(int)
+// void exit(int)
GenericValue lle_X_exit(FunctionType *M, const vector<GenericValue> &Args) {
TheInterpreter->exitCalled(Args[0]);
return GenericValue();
}
+// void abort(void)
+GenericValue lle_X_abort(FunctionType *M, const vector<GenericValue> &Args) {
+ std::cerr << "***PROGRAM ABORTED***!\n";
+ GenericValue GV;
+ GV.IntVal = 1;
+ TheInterpreter->exitCalled(GV);
+ return GenericValue();
+}
+
// void *malloc(uint)
GenericValue lle_X_malloc(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 1 && "Malloc expects one argument!");
- GenericValue GV;
- GV.PointerVal = (PointerTy)malloc(Args[0].UIntVal);
- return GV;
+ return PTOGV(malloc(Args[0].UIntVal));
+}
+
+// void *calloc(uint, uint)
+GenericValue lle_X_calloc(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 2 && "calloc expects two arguments!");
+ return PTOGV(calloc(Args[0].UIntVal, Args[1].UIntVal));
}
// void free(void *)
GenericValue lle_X_free(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 1);
- free((void*)Args[0].PointerVal);
+ free(GVTOP(Args[0]));
return GenericValue();
}
GenericValue lle_X_atoi(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 1);
GenericValue GV;
- GV.IntVal = atoi((char*)Args[0].PointerVal);
+ GV.IntVal = atoi((char*)GVTOP(Args[0]));
return GV;
}
return GV;
}
+// int isnan(double value);
+GenericValue lle_X_isnan(FunctionType *F, const vector<GenericValue> &Args) {
+ assert(Args.size() == 1);
+ GenericValue GV;
+ GV.IntVal = std::isnan(Args[0].DoubleVal);
+ return GV;
+}
+
// double floor(double)
GenericValue lle_X_floor(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 1);
return GenericValue();
}
+// int puts(const char*)
+GenericValue lle_X_puts(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 1);
+ GenericValue GV;
+ GV.IntVal = puts((char*)GVTOP(Args[0]));
+ return GV;
+}
+
// int sprintf(sbyte *, sbyte *, ...) - a very rough implementation to make
// output useful.
GenericValue lle_X_sprintf(FunctionType *M, const vector<GenericValue> &Args) {
- char *OutputBuffer = (char *)Args[0].PointerVal;
- const char *FmtStr = (const char *)Args[1].PointerVal;
+ char *OutputBuffer = (char *)GVTOP(Args[0]);
+ const char *FmtStr = (const char *)GVTOP(Args[1]);
unsigned ArgNo = 2;
// printf should return # chars printed. This is completely incorrect, but
case 'd': case 'i':
case 'u': case 'o':
case 'x': case 'X':
- if (HowLong == 2)
+ if (HowLong >= 1) {
+ if (HowLong == 1 && TheInterpreter->getModule().has64BitPointers() &&
+ sizeof(long) < sizeof(long long)) {
+ // Make sure we use %lld with a 64 bit argument because we might be
+ // compiling LLI on a 32 bit compiler.
+ unsigned Size = strlen(FmtBuf);
+ FmtBuf[Size] = FmtBuf[Size-1];
+ FmtBuf[Size+1] = 0;
+ FmtBuf[Size-1] = 'l';
+ }
sprintf(Buffer, FmtBuf, Args[ArgNo++].ULongVal);
- else
+ } else
sprintf(Buffer, FmtBuf, Args[ArgNo++].IntVal); break;
case 'e': case 'E': case 'g': case 'G': case 'f':
sprintf(Buffer, FmtBuf, Args[ArgNo++].DoubleVal); break;
case 'p':
- sprintf(Buffer, FmtBuf, (void*)Args[ArgNo++].PointerVal); break;
+ sprintf(Buffer, FmtBuf, (void*)GVTOP(Args[ArgNo++])); break;
case 's':
- sprintf(Buffer, FmtBuf, (char*)Args[ArgNo++].PointerVal); break;
- default: cout << "<unknown printf code '" << *FmtStr << "'!>";
+ sprintf(Buffer, FmtBuf, (char*)GVTOP(Args[ArgNo++])); break;
+ default: std::cout << "<unknown printf code '" << *FmtStr << "'!>";
ArgNo++; break;
}
strcpy(OutputBuffer, Buffer);
GenericValue lle_X_printf(FunctionType *M, const vector<GenericValue> &Args) {
char Buffer[10000];
vector<GenericValue> NewArgs;
- GenericValue GV; GV.PointerVal = (PointerTy)Buffer;
- NewArgs.push_back(GV);
+ NewArgs.push_back(PTOGV(Buffer));
NewArgs.insert(NewArgs.end(), Args.begin(), Args.end());
- GV = lle_X_sprintf(M, NewArgs);
- cout << Buffer;
+ GenericValue GV = lle_X_sprintf(M, NewArgs);
+ std::cout << Buffer;
return GV;
}
+static void ByteswapSCANFResults(const char *Fmt, void *Arg0, void *Arg1,
+ void *Arg2, void *Arg3, void *Arg4, void *Arg5,
+ void *Arg6, void *Arg7, void *Arg8) {
+ void *Args[] = { Arg0, Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8, 0 };
+
+ // Loop over the format string, munging read values as appropriate (performs
+ // byteswaps as neccesary).
+ unsigned ArgNo = 0;
+ while (*Fmt) {
+ if (*Fmt++ == '%') {
+ // Read any flag characters that may be present...
+ bool Suppress = false;
+ bool Half = false;
+ bool Long = false;
+ bool LongLong = false; // long long or long double
+
+ while (1) {
+ switch (*Fmt++) {
+ case '*': Suppress = true; break;
+ case 'a': /*Allocate = true;*/ break; // We don't need to track this
+ case 'h': Half = true; break;
+ case 'l': Long = true; break;
+ case 'q':
+ case 'L': LongLong = true; break;
+ default:
+ if (Fmt[-1] > '9' || Fmt[-1] < '0') // Ignore field width specs
+ goto Out;
+ }
+ }
+ Out:
+
+ // Read the conversion character
+ if (!Suppress && Fmt[-1] != '%') { // Nothing to do?
+ unsigned Size = 0;
+ const Type *Ty = 0;
+
+ switch (Fmt[-1]) {
+ case 'i': case 'o': case 'u': case 'x': case 'X': case 'n': case 'p':
+ case 'd':
+ if (Long || LongLong) {
+ Size = 8; Ty = Type::ULongTy;
+ } else if (Half) {
+ Size = 4; Ty = Type::UShortTy;
+ } else {
+ Size = 4; Ty = Type::UIntTy;
+ }
+ break;
+
+ case 'e': case 'g': case 'E':
+ case 'f':
+ if (Long || LongLong) {
+ Size = 8; Ty = Type::DoubleTy;
+ } else {
+ Size = 4; Ty = Type::FloatTy;
+ }
+ break;
+
+ case 's': case 'c': case '[': // No byteswap needed
+ Size = 1;
+ Ty = Type::SByteTy;
+ break;
+
+ default: break;
+ }
+
+ if (Size) {
+ GenericValue GV;
+ void *Arg = Args[ArgNo++];
+ memcpy(&GV, Arg, Size);
+ TheInterpreter->StoreValueToMemory(GV, (GenericValue*)Arg, Ty);
+ }
+ }
+ }
+ }
+}
+
// int sscanf(const char *format, ...);
GenericValue lle_X_sscanf(FunctionType *M, const vector<GenericValue> &args) {
assert(args.size() < 10 && "Only handle up to 10 args to sscanf right now!");
- const char *Args[10];
+ char *Args[10];
for (unsigned i = 0; i < args.size(); ++i)
- Args[i] = (const char*)args[i].PointerVal;
+ Args[i] = (char*)GVTOP(args[i]);
GenericValue GV;
GV.IntVal = sscanf(Args[0], Args[1], Args[2], Args[3], Args[4],
Args[5], Args[6], Args[7], Args[8], Args[9]);
+ ByteswapSCANFResults(Args[1], Args[2], Args[3], Args[4],
+ Args[5], Args[6], Args[7], Args[8], Args[9], 0);
+ return GV;
+}
+
+// int scanf(const char *format, ...);
+GenericValue lle_X_scanf(FunctionType *M, const vector<GenericValue> &args) {
+ assert(args.size() < 10 && "Only handle up to 10 args to scanf right now!");
+
+ char *Args[10];
+ for (unsigned i = 0; i < args.size(); ++i)
+ Args[i] = (char*)GVTOP(args[i]);
+
+ GenericValue GV;
+ GV.IntVal = scanf(Args[0], Args[1], Args[2], Args[3], Args[4],
+ Args[5], Args[6], Args[7], Args[8], Args[9]);
+ ByteswapSCANFResults(Args[0], Args[1], Args[2], Args[3], Args[4],
+ Args[5], Args[6], Args[7], Args[8], Args[9]);
return GV;
}
return GV;
}
+
+//===----------------------------------------------------------------------===//
+// String Functions...
+//===----------------------------------------------------------------------===//
+
+// int strcmp(const char *S1, const char *S2);
+GenericValue lle_X_strcmp(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 2);
+ GenericValue Ret;
+ Ret.IntVal = strcmp((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]));
+ return Ret;
+}
+
+// char *strcat(char *Dest, const char *src);
+GenericValue lle_X_strcat(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 2);
+ return PTOGV(strcat((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1])));
+}
+
+// char *strcpy(char *Dest, const char *src);
+GenericValue lle_X_strcpy(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 2);
+ return PTOGV(strcpy((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1])));
+}
+
+// long strlen(const char *src);
+GenericValue lle_X_strlen(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 1);
+ GenericValue Ret;
+ Ret.LongVal = strlen((char*)GVTOP(Args[0]));
+ return Ret;
+}
+
+// char *__strdup(const char *src);
+GenericValue lle_X___strdup(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 1);
+ return PTOGV(strdup((char*)GVTOP(Args[0])));
+}
+
+// void *memset(void *S, int C, size_t N)
+GenericValue lle_X_memset(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 3);
+ return PTOGV(memset(GVTOP(Args[0]), Args[1].IntVal, Args[2].UIntVal));
+}
+
+// void *memcpy(void *Dest, void *src, size_t Size);
+GenericValue lle_X_memcpy(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 3);
+ return PTOGV(memcpy((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]),
+ Args[2].UIntVal));
+}
+
//===----------------------------------------------------------------------===//
// IO Functions...
//===----------------------------------------------------------------------===//
+// getFILE - Turn a pointer in the host address space into a legit pointer in
+// the interpreter address space. For the most part, this is an identity
+// transformation, but if the program refers to stdio, stderr, stdin then they
+// have pointers that are relative to the __iob array. If this is the case,
+// change the FILE into the REAL stdio stream.
+//
+static FILE *getFILE(void *Ptr) {
+ static Module *LastMod = 0;
+ static PointerTy IOBBase = 0;
+ static unsigned FILESize;
+
+ if (LastMod != &TheInterpreter->getModule()) { // Module change or initialize?
+ Module *M = LastMod = &TheInterpreter->getModule();
+
+ // Check to see if the currently loaded module contains an __iob symbol...
+ GlobalVariable *IOB = 0;
+ SymbolTable &ST = M->getSymbolTable();
+ for (SymbolTable::iterator I = ST.begin(), E = ST.end(); I != E; ++I) {
+ SymbolTable::VarMap &M = I->second;
+ for (SymbolTable::VarMap::iterator J = M.begin(), E = M.end();
+ J != E; ++J)
+ if (J->first == "__iob")
+ if ((IOB = dyn_cast<GlobalVariable>(J->second)))
+ break;
+ if (IOB) break;
+ }
+
+#if 0 /// FIXME! __iob support for LLI
+ // If we found an __iob symbol now, find out what the actual address it's
+ // held in is...
+ if (IOB) {
+ // Get the address the array lives in...
+ GlobalAddress *Address =
+ (GlobalAddress*)IOB->getOrCreateAnnotation(GlobalAddressAID);
+ IOBBase = (PointerTy)(GenericValue*)Address->Ptr;
+
+ // Figure out how big each element of the array is...
+ const ArrayType *AT =
+ dyn_cast<ArrayType>(IOB->getType()->getElementType());
+ if (AT)
+ FILESize = TD.getTypeSize(AT->getElementType());
+ else
+ FILESize = 16*8; // Default size
+ }
+#endif
+ }
+
+ // Check to see if this is a reference to __iob...
+ if (IOBBase) {
+ unsigned FDNum = ((unsigned long)Ptr-IOBBase)/FILESize;
+ if (FDNum == 0)
+ return stdin;
+ else if (FDNum == 1)
+ return stdout;
+ else if (FDNum == 2)
+ return stderr;
+ }
+
+ return (FILE*)Ptr;
+}
+
+
// FILE *fopen(const char *filename, const char *mode);
GenericValue lle_X_fopen(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 2);
- GenericValue GV;
-
- GV.PointerVal = (PointerTy)fopen((const char *)Args[0].PointerVal,
- (const char *)Args[1].PointerVal);
- return GV;
+ return PTOGV(fopen((const char *)GVTOP(Args[0]),
+ (const char *)GVTOP(Args[1])));
}
// int fclose(FILE *F);
GenericValue lle_X_fclose(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 1);
GenericValue GV;
+ GV.IntVal = fclose(getFILE(GVTOP(Args[0])));
+ return GV;
+}
+
+// int feof(FILE *stream);
+GenericValue lle_X_feof(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 1);
+ GenericValue GV;
- GV.IntVal = fclose((FILE *)Args[0].PointerVal);
+ GV.IntVal = feof(getFILE(GVTOP(Args[0])));
return GV;
}
assert(Args.size() == 4);
GenericValue GV;
- GV.UIntVal = fread((void*)Args[0].PointerVal, Args[1].UIntVal,
- Args[2].UIntVal, (FILE*)Args[3].PointerVal);
+ GV.UIntVal = fread((void*)GVTOP(Args[0]), Args[1].UIntVal,
+ Args[2].UIntVal, getFILE(GVTOP(Args[3])));
return GV;
}
assert(Args.size() == 4);
GenericValue GV;
- GV.UIntVal = fwrite((void*)Args[0].PointerVal, Args[1].UIntVal,
- Args[2].UIntVal, (FILE*)Args[3].PointerVal);
+ GV.UIntVal = fwrite((void*)GVTOP(Args[0]), Args[1].UIntVal,
+ Args[2].UIntVal, getFILE(GVTOP(Args[3])));
return GV;
}
// char *fgets(char *s, int n, FILE *stream);
GenericValue lle_X_fgets(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 3);
- GenericValue GV;
+ return GVTOP(fgets((char*)GVTOP(Args[0]), Args[1].IntVal,
+ getFILE(GVTOP(Args[2]))));
+}
- GV.PointerVal = (PointerTy)fgets((char*)Args[0].PointerVal, Args[1].IntVal,
- (FILE*)Args[2].PointerVal);
- return GV;
+// FILE *freopen(const char *path, const char *mode, FILE *stream);
+GenericValue lle_X_freopen(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 3);
+ return PTOGV(freopen((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]),
+ getFILE(GVTOP(Args[2]))));
}
// int fflush(FILE *stream);
GenericValue lle_X_fflush(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 1);
GenericValue GV;
-
- GV.IntVal = fflush((FILE*)Args[0].PointerVal);
+ GV.IntVal = fflush(getFILE(GVTOP(Args[0])));
return GV;
}
-// unsigned int HashPointerToSeqNum(char* ptr)
-GenericValue lle_X_HashPointerToSeqNum(FunctionType *M, const vector<GenericValue> &Args) {
+// int getc(FILE *stream);
+GenericValue lle_X_getc(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 1);
GenericValue GV;
-
- GV.UIntVal = HashPointerToSeqNum((char*) Args[0].PointerVal);
+ GV.IntVal = getc(getFILE(GVTOP(Args[0])));
return GV;
}
-// void ReleasePointerSeqNum(char* ptr);
-GenericValue lle_X_ReleasePointerSeqNum(FunctionType *M, const vector<GenericValue> &Args) {
- assert(Args.size() == 1);
- ReleasePointerSeqNum((char*) Args[0].PointerVal);
- return GenericValue();
+// 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 *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 2);
+ GenericValue GV;
+ GV.IntVal = fputc(Args[0].IntVal, getFILE(GVTOP(Args[1])));
+ return GV;
+}
+
+// int ungetc(int C, FILE *stream);
+GenericValue lle_X_ungetc(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() == 2);
+ GenericValue GV;
+ GV.IntVal = ungetc(Args[0].IntVal, getFILE(GVTOP(Args[1])));
+ return GV;
}
-// void RecordPointer(char* ptr);
-GenericValue lle_X_RecordPointer(FunctionType *M, const vector<GenericValue> &Args) {
+// int fprintf(FILE *,sbyte *, ...) - a very rough implementation to make output
+// useful.
+GenericValue lle_X_fprintf(FunctionType *M, const vector<GenericValue> &Args) {
+ assert(Args.size() >= 2);
+ char Buffer[10000];
+ vector<GenericValue> NewArgs;
+ NewArgs.push_back(PTOGV(Buffer));
+ NewArgs.insert(NewArgs.end(), Args.begin()+1, Args.end());
+ GenericValue GV = lle_X_sprintf(M, NewArgs);
+
+ fputs(Buffer, getFILE(GVTOP(Args[0])));
+ return GV;
+}
+
+//===----------------------------------------------------------------------===//
+// LLVM Intrinsic Functions...
+//===----------------------------------------------------------------------===//
+
+// void llvm.va_start(<va_list> *) - Implement the va_start operation...
+GenericValue llvm_va_start(FunctionType *F, const vector<GenericValue> &Args) {
assert(Args.size() == 1);
- RecordPointer((char*) Args[0].PointerVal);
+ GenericValue *VAListP = (GenericValue *)GVTOP(Args[0]);
+ GenericValue Val;
+ Val.UIntVal = 0; // Start at the first '...' argument...
+ TheInterpreter->StoreValueToMemory(Val, VAListP, Type::UIntTy);
return GenericValue();
}
-// void PushPointerSet();
-GenericValue lle_X_PushPointerSet(FunctionType *M, const vector<GenericValue> &Args) {
- assert(Args.size() == 0);
- PushPointerSet();
- return GenericValue();
+// void llvm.va_end(<va_list> *) - Implement the va_end operation...
+GenericValue llvm_va_end(FunctionType *F, const vector<GenericValue> &Args) {
+ assert(Args.size() == 1);
+ return GenericValue(); // Noop!
}
-// void ReleaseRecordedPointers();
-GenericValue lle_X_ReleasePointersPopSet(FunctionType *M, const vector<GenericValue> &Args) {
- assert(Args.size() == 0);
- ReleasePointersPopSet();
+// void llvm.va_copy(<va_list> *, <va_list>) - Implement the va_copy
+// operation...
+GenericValue llvm_va_copy(FunctionType *F, const vector<GenericValue> &Args) {
+ assert(Args.size() == 2);
+ GenericValue *DestVAList = (GenericValue*)GVTOP(Args[0]);
+ TheInterpreter->StoreValueToMemory(Args[1], DestVAList, Type::UIntTy);
return GenericValue();
}
} // End extern "C"
-void Interpreter::initializeExternalMethods() {
- FuncNames["lle_VP_printstr"] = lle_VP_printstr;
- FuncNames["lle_X_print"] = lle_X_print;
- FuncNames["lle_X_printVal"] = lle_X_printVal;
- FuncNames["lle_X_printString"] = lle_X_printString;
- FuncNames["lle_X_printUByte"] = lle_X_printUByte;
- FuncNames["lle_X_printSByte"] = lle_X_printSByte;
- FuncNames["lle_X_printUShort"] = lle_X_printUShort;
- FuncNames["lle_X_printShort"] = lle_X_printShort;
- FuncNames["lle_X_printInt"] = lle_X_printInt;
- FuncNames["lle_X_printUInt"] = lle_X_printUInt;
- FuncNames["lle_X_printLong"] = lle_X_printLong;
- FuncNames["lle_X_printULong"] = lle_X_printULong;
- FuncNames["lle_X_printFloat"] = lle_X_printFloat;
- FuncNames["lle_X_printDouble"] = lle_X_printDouble;
- FuncNames["lle_X_printPointer"] = lle_X_printPointer;
+void Interpreter::initializeExternalFunctions() {
FuncNames["lle_Vb_putchar"] = lle_Vb_putchar;
FuncNames["lle_ii_putchar"] = lle_ii_putchar;
FuncNames["lle_VB_putchar"] = lle_VB_putchar;
- FuncNames["lle_V___main"] = lle_V___main;
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_free"] = lle_X_free;
FuncNames["lle_X_atoi"] = lle_X_atoi;
FuncNames["lle_X_pow"] = lle_X_pow;
FuncNames["lle_X_exp"] = lle_X_exp;
FuncNames["lle_X_log"] = lle_X_log;
+ FuncNames["lle_X_isnan"] = lle_X_isnan;
FuncNames["lle_X_floor"] = lle_X_floor;
FuncNames["lle_X_srand"] = lle_X_srand;
FuncNames["lle_X_drand48"] = lle_X_drand48;
FuncNames["lle_X_srand48"] = lle_X_srand48;
FuncNames["lle_X_lrand48"] = lle_X_lrand48;
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_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_HashPointerToSeqNum"] = lle_X_HashPointerToSeqNum;
- FuncNames["lle_X_ReleasePointerSeqNum"] = lle_X_ReleasePointerSeqNum;
- FuncNames["lle_X_RecordPointer"] = lle_X_RecordPointer;
- FuncNames["lle_X_PushPointerSet"] = lle_X_PushPointerSet;
- FuncNames["lle_X_ReleasePointersPopSet"] = lle_X_ReleasePointersPopSet;
+ 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_llvm.va_start"]= llvm_va_start;
+ FuncNames["lle_X_llvm.va_end"] = llvm_va_end;
+ FuncNames["lle_X_llvm.va_copy"] = llvm_va_copy;
}