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If the interpreter tries to execute an external function, kill it. Of course

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since we are dirty, special case __main.  This should fix the infinite loop
horrible stuff that happens on linux-alpha when configuring llvm-gcc.  It
might also help cygwin, who knows??

llvm-svn: 19729
This commit is contained in:
Chris Lattner 2005-01-21 19:59:37 +00:00
parent 5f2fbeaa69
commit 24bf1ca350
1 changed files with 8 additions and 6 deletions
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14
lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
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@ -82,22 +82,24 @@ static ExFunc lookupFunction(const Function *F) {
return FnPtr;
}
GenericValue Interpreter::callExternalFunction(Function *M,
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(M);
ExFunc Fn = (FI == Functions.end()) ? lookupFunction(M) : FI->second;
std::map<const Function *, ExFunc>::iterator FI = Functions.find(F);
ExFunc Fn = (FI == Functions.end()) ? lookupFunction(F) : FI->second;
if (Fn == 0) {
std::cout << "Tried to execute an unknown external function: "
<< M->getType()->getDescription() << " " << M->getName() << "\n";
return GenericValue();
<< F->getType()->getDescription() << " " << F->getName() << "\n";
if (F->getName() == "__main")
return GenericValue();
abort();
}
// TODO: FIXME when types are not const!
GenericValue Result = Fn(const_cast<FunctionType*>(M->getFunctionType()),
GenericValue Result = Fn(const_cast<FunctionType*>(F->getFunctionType()),
ArgVals);
return Result;
}