using namespace llvm;
+
+// The TargetMachine uses to offer access to a DataLayout member. This is reflected
+// in the C API. For backward compatibility reason, this structure allows to keep
+// a DataLayout member accessible to C client that have a handle to a
+// LLVMTargetMachineRef.
+struct LLVMOpaqueTargetMachine {
+ std::unique_ptr<TargetMachine> Machine;
+ DataLayout DL;
+};
+
+
static TargetMachine *unwrap(LLVMTargetMachineRef P) {
- return reinterpret_cast<TargetMachine *>(P);
+ return P->Machine.get();
}
static Target *unwrap(LLVMTargetRef P) {
return reinterpret_cast<Target*>(P);
}
static LLVMTargetMachineRef wrap(const TargetMachine *P) {
- return reinterpret_cast<LLVMTargetMachineRef>(const_cast<TargetMachine *>(P));
+ return new LLVMOpaqueTargetMachine{ std::unique_ptr<TargetMachine>(const_cast<TargetMachine*>(P)), P->createDataLayout() };
}
static LLVMTargetRef wrap(const Target * P) {
return reinterpret_cast<LLVMTargetRef>(const_cast<Target*>(P));
LLVMBool LLVMGetTargetFromTriple(const char* TripleStr, LLVMTargetRef *T,
char **ErrorMessage) {
std::string Error;
-
+
*T = wrap(TargetRegistry::lookupTarget(TripleStr, Error));
-
+
if (!*T) {
if (ErrorMessage)
*ErrorMessage = strdup(Error.c_str());
return 1;
}
-
+
return 0;
}
CM, OL));
}
-void LLVMDisposeTargetMachine(LLVMTargetMachineRef T) { delete unwrap(T); }
+
+void LLVMDisposeTargetMachine(LLVMTargetMachineRef T) {
+ delete T;
+}
LLVMTargetRef LLVMGetTargetMachineTarget(LLVMTargetMachineRef T) {
const Target* target = &(unwrap(T)->getTarget());
return strdup(StringRep.c_str());
}
-/** Deprecated: use LLVMGetDataLayout(LLVMModuleRef M) instead. */
+/// @deprecated: see "struct LLVMOpaqueTargetMachine" description above
LLVMTargetDataRef LLVMGetTargetMachineData(LLVMTargetMachineRef T) {
- return wrap(&unwrap(T)->getDataLayout());
+ return wrap(&T->DL);
}
void LLVMSetTargetMachineAsmVerbosity(LLVMTargetMachineRef T,