[llvm-commits] CVS: llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
Brian Gaeke
gaeke at cs.uiuc.edu
Sat May 1 01:43:03 PDT 2004
Changes in directory llvm/lib/ExecutionEngine/Interpreter:
ExternalFunctions.cpp updated: 1.72 -> 1.73
---
Log message:
Generalize the strlen size_t hack, for the benefit of the other external
functions with wrappers that either take or return size_ts.
---
Diffs of the changes: (+33 -17)
Index: llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
diff -u llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp:1.72 llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp:1.73
--- llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp:1.72 Sun Dec 28 03:44:37 2003
+++ llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp Sat May 1 01:42:15 2004
@@ -481,20 +481,35 @@
return PTOGV(strcpy((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1])));
}
-// size_t strlen(const char *src);
-GenericValue lle_X_strlen(FunctionType *M, const vector<GenericValue> &Args) {
- assert(Args.size() == 1);
- size_t strlenResult = strlen ((char *) GVTOP (Args[0]));
+static GenericValue size_t_to_GV (size_t n) {
GenericValue Ret;
if (sizeof (size_t) == sizeof (uint64_t)) {
- Ret.ULongVal = strlenResult;
+ Ret.ULongVal = n;
} else {
assert (sizeof (size_t) == sizeof (unsigned int));
- Ret.UIntVal = strlenResult;
+ Ret.UIntVal = n;
}
return Ret;
}
+static size_t GV_to_size_t (GenericValue GV) {
+ size_t count;
+ if (sizeof (size_t) == sizeof (uint64_t)) {
+ count = GV.ULongVal;
+ } else {
+ assert (sizeof (size_t) == sizeof (unsigned int));
+ count = GV.UIntVal;
+ }
+ return count;
+}
+
+// size_t strlen(const char *src);
+GenericValue lle_X_strlen(FunctionType *M, 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 *M, const vector<GenericValue> &Args) {
assert(Args.size() == 1);
@@ -510,14 +525,15 @@
// 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));
+ size_t count = GV_to_size_t (Args[2]);
+ return PTOGV(memset(GVTOP(Args[0]), Args[1].IntVal, count));
}
// 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));
+ size_t count = GV_to_size_t (Args[2]);
+ return PTOGV(memcpy((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]), count));
}
//===----------------------------------------------------------------------===//
@@ -594,21 +610,21 @@
// size_t fread(void *ptr, size_t size, size_t nitems, FILE *stream);
GenericValue lle_X_fread(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 4);
- GenericValue GV;
+ size_t result;
- GV.UIntVal = fread((void*)GVTOP(Args[0]), Args[1].UIntVal,
- Args[2].UIntVal, getFILE(GVTOP(Args[3])));
- return GV;
+ result = fread((void*)GVTOP(Args[0]), GV_to_size_t (Args[1]),
+ GV_to_size_t (Args[2]), getFILE(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 *M, const vector<GenericValue> &Args) {
assert(Args.size() == 4);
- GenericValue GV;
+ size_t result;
- GV.UIntVal = fwrite((void*)GVTOP(Args[0]), Args[1].UIntVal,
- Args[2].UIntVal, getFILE(GVTOP(Args[3])));
- return GV;
+ result = fwrite((void*)GVTOP(Args[0]), GV_to_size_t (Args[1]),
+ GV_to_size_t (Args[2]), getFILE(GVTOP(Args[3])));
+ return size_t_to_GV (result);
}
// char *fgets(char *s, int n, FILE *stream);
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