aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChris Lattner <sabre@nondot.org>2001-09-10 04:49:44 +0000
committerChris Lattner <sabre@nondot.org>2001-09-10 04:49:44 +0000
commit365a76e46e7b22ee2cd7881d0a7055fc20930fd5 (patch)
treef74298a68347e8aa88cd9dcc1080ede88e779b13
parent49f2b9470ea17178fa378c0ee2a314eade0c5ad0 (diff)
downloadexternal_llvm-365a76e46e7b22ee2cd7881d0a7055fc20930fd5.zip
external_llvm-365a76e46e7b22ee2cd7881d0a7055fc20930fd5.tar.gz
external_llvm-365a76e46e7b22ee2cd7881d0a7055fc20930fd5.tar.bz2
Genericize support for calling functions a bit
Add external method support git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@528 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/ExecutionEngine/Interpreter/Execution.cpp41
-rw-r--r--lib/ExecutionEngine/Interpreter/Interpreter.h5
-rw-r--r--lib/ExecutionEngine/Interpreter/UserInput.cpp7
-rw-r--r--lib/ExecutionEngine/Makefile1
-rw-r--r--tools/lli/Makefile1
5 files changed, 34 insertions, 21 deletions
diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp
index e986158..0b0cf0a 100644
--- a/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -43,8 +43,6 @@ static GenericValue getOperandValue(Value *V, ExecutionContext &SF) {
return Result;
} else {
unsigned TyP = V->getType()->getUniqueID(); // TypePlane for value
- unsigned Slot = getOperandSlot(V);
- void *ElementPtr = &SF.Values[TyP][getOperandSlot(V)];
return SF.Values[TyP][getOperandSlot(V)];
}
}
@@ -316,6 +314,13 @@ void Interpreter::executeRetInst(ReturnInst *I, ExecutionContext &SF) {
SetValue(NewSF.Caller, Result, NewSF);
NewSF.Caller = 0; // We returned from the call...
+ } else {
+ // This must be a function that is executing because of a user 'call'
+ // instruction.
+ cout << "Method " << M->getType() << " \"" << M->getName()
+ << "\" returned ";
+ printValue(RetTy, Result);
+ cout << endl;
}
}
@@ -428,7 +433,12 @@ static void executeStoreInst(StoreInst *I, ExecutionContext &SF) {
void Interpreter::executeCallInst(CallInst *I, ExecutionContext &SF) {
ECStack.back().Caller = I;
- callMethod(I->getCalledMethod(), ECStack.size()-1);
+ vector<GenericValue> ArgVals;
+ ArgVals.reserve(I->getNumOperands()-1);
+ for (unsigned i = 1; i < I->getNumOperands(); ++i)
+ ArgVals.push_back(getOperandValue(I->getOperand(i), SF));
+
+ callMethod(I->getCalledMethod(), ArgVals);
}
static void executePHINode(PHINode *I, ExecutionContext &SF) {
@@ -599,10 +609,12 @@ void Interpreter::initializeExecutionEngine() {
//===----------------------------------------------------------------------===//
// callMethod - Execute the specified method...
//
-void Interpreter::callMethod(Method *M, int CallingSF = -1) {
+void Interpreter::callMethod(Method *M, const vector<GenericValue> &ArgVals) {
+ assert((ECStack.empty() || ECStack.back().Caller == 0 ||
+ ECStack.back().Caller->getNumOperands()-1 == ArgVals.size()) &&
+ "Incorrect number of arguments passed into function call!");
if (M->isExternal()) {
- // Handle builtin methods
- cout << "Error: Method '" << M->getName() << "' is external!\n";
+ callExternalMethod(M, ArgVals);
return;
}
@@ -625,19 +637,12 @@ void Interpreter::callMethod(Method *M, int CallingSF = -1) {
StackFrame.PrevBB = 0; // No previous BB for PHI nodes...
- // Run through the method arguments and initialize their values...
- if (CallingSF != -1) {
- CallInst *Call = ECStack[CallingSF].Caller;
- assert(Call && "Caller improperly initialized!");
-
- unsigned i = 1;
- for (Method::ArgumentListType::iterator MI = M->getArgumentList().begin(),
- ME = M->getArgumentList().end(); MI != ME; ++MI, ++i) {
- Value *V = Call->getOperand(i);
- MethodArgument *MA = *MI;
- SetValue(MA, getOperandValue(V, ECStack[CallingSF]), StackFrame);
- }
+ // Run through the method arguments and initialize their values...
+ unsigned i = 0;
+ for (Method::ArgumentListType::iterator MI = M->getArgumentList().begin(),
+ ME = M->getArgumentList().end(); MI != ME; ++MI, ++i) {
+ SetValue(*MI, ArgVals[i], StackFrame);
}
}
diff --git a/lib/ExecutionEngine/Interpreter/Interpreter.h b/lib/ExecutionEngine/Interpreter/Interpreter.h
index 3b14954..e7f5c86 100644
--- a/lib/ExecutionEngine/Interpreter/Interpreter.h
+++ b/lib/ExecutionEngine/Interpreter/Interpreter.h
@@ -78,14 +78,15 @@ public:
void setBreakpoint(const string &Name);
void infoValue(const string &Name);
void printValue(const string &Name);
- void printValue(const Type *Ty, GenericValue V);
+ static void printValue(const Type *Ty, GenericValue V);
void list(); // Do the 'list' command
void printStackTrace(); // Do the 'backtrace' command
// Code execution methods...
- void callMethod(Method *Meth, int SF = -1);
+ void callMethod (Method *Meth, const vector<GenericValue> &ArgVals);
+ void callExternalMethod(Method *Meth, const vector<GenericValue> &ArgVals);
bool executeInstruction(); // Execute one instruction...
void stepInstruction(); // Do the 'step' command
diff --git a/lib/ExecutionEngine/Interpreter/UserInput.cpp b/lib/ExecutionEngine/Interpreter/UserInput.cpp
index f0c7fe1..508bd4a 100644
--- a/lib/ExecutionEngine/Interpreter/UserInput.cpp
+++ b/lib/ExecutionEngine/Interpreter/UserInput.cpp
@@ -144,7 +144,12 @@ bool Interpreter::callMethod(const string &Name) {
if (PickedMeth == 0)
return true;
- callMethod(PickedMeth->castMethodAsserting()); // Start executing it...
+ Method *M = PickedMeth->castMethodAsserting();
+
+ vector<GenericValue> Args;
+ // TODO, get args from user...
+
+ callMethod(M, Args); // Start executing it...
// Reset the current frame location to the top of stack
CurFrame = ECStack.size()-1;
diff --git a/lib/ExecutionEngine/Makefile b/lib/ExecutionEngine/Makefile
index 9cf483c..bc5578c 100644
--- a/lib/ExecutionEngine/Makefile
+++ b/lib/ExecutionEngine/Makefile
@@ -1,6 +1,7 @@
LEVEL = ../..
TOOLNAME = lli
USEDLIBS = opt bcreader bcwriter vmcore asmwriter analysis support target
+TOOLLINKOPTS = -ldl
include $(LEVEL)/Makefile.common
diff --git a/tools/lli/Makefile b/tools/lli/Makefile
index 9cf483c..bc5578c 100644
--- a/tools/lli/Makefile
+++ b/tools/lli/Makefile
@@ -1,6 +1,7 @@
LEVEL = ../..
TOOLNAME = lli
USEDLIBS = opt bcreader bcwriter vmcore asmwriter analysis support target
+TOOLLINKOPTS = -ldl
include $(LEVEL)/Makefile.common