#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/ExecutionEngine/JITEventListener.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Errno.h"
#include "llvm/Config/config.h"
#include <stddef.h>
virtual void NotifyFunctionEmitted(const Function &F,
void *FnStart, size_t FnSize,
const EmittedFunctionDetails &Details);
- virtual void NotifyFreeingMachineCode(const Function &F, void *OldPtr);
+ virtual void NotifyFreeingMachineCode(void *OldPtr);
};
OProfileJITEventListener::OProfileJITEventListener()
: Agent(op_open_agent()) {
if (Agent == NULL) {
const std::string err_str = sys::StrError();
- DOUT << "Failed to connect to OProfile agent: " << err_str << "\n";
+ DEBUG(dbgs() << "Failed to connect to OProfile agent: " << err_str << "\n");
} else {
- DOUT << "Connected to OProfile agent.\n";
+ DEBUG(dbgs() << "Connected to OProfile agent.\n");
}
}
if (Agent != NULL) {
if (op_close_agent(Agent) == -1) {
const std::string err_str = sys::StrError();
- DOUT << "Failed to disconnect from OProfile agent: " << err_str << "\n";
+ DEBUG(dbgs() << "Failed to disconnect from OProfile agent: "
+ << err_str << "\n");
} else {
- DOUT << "Disconnected from OProfile agent.\n";
+ DEBUG(dbgs() << "Disconnected from OProfile agent.\n");
}
}
}
class FilenameCache {
- // Holds the filename of each CompileUnit, so that we can pass the
- // pointer into oprofile. These char*s are freed in the destructor.
- DenseMap<GlobalVariable*, char*> Filenames;
- // Used as the scratch space in DICompileUnit::getFilename().
- std::string TempFilename;
+ // Holds the filename of each Scope, so that we can pass a null-terminated
+ // string into oprofile.
+ DenseMap<MDNode*, std::string> Filenames;
public:
- const char* getFilename(GlobalVariable *CompileUnit) {
- char *&Filename = Filenames[CompileUnit];
- if (Filename == NULL) {
- DICompileUnit CU(CompileUnit);
- Filename = strdup(CU.getFilename(TempFilename).c_str());
- }
- return Filename;
- }
- ~FilenameCache() {
- for (DenseMap<GlobalVariable*, char*>::iterator
- I = Filenames.begin(), E = Filenames.end(); I != E;++I) {
- free(I->second);
+ const char *getFilename(MDNode *Scope) {
+ std::string &Filename = Filenames[Scope];
+ if (Filename.empty()) {
+ DIScope S(Scope);
+ Filename = S.getFilename();
}
+ return Filename.c_str();
}
};
uintptr_t Address, DebugLoc Loc) {
debug_line_info Result;
Result.vma = Address;
- const DebugLocTuple& tuple = MF.getDebugLocTuple(Loc);
+ const DebugLocTuple &tuple = MF.getDebugLocTuple(Loc);
Result.lineno = tuple.Line;
- Result.filename = Filenames.getFilename(tuple.CompileUnit);
- DOUT << "Mapping " << reinterpret_cast<void*>(Result.vma) << " to "
- << Result.filename << ":" << Result.lineno << "\n";
+ Result.filename = Filenames.getFilename(tuple.Scope);
+ DEBUG(dbgs() << "Mapping " << reinterpret_cast<void*>(Result.vma) << " to "
+ << Result.filename << ":" << Result.lineno << "\n");
return Result;
}
if (op_write_native_code(Agent, F.getName().data(),
reinterpret_cast<uint64_t>(FnStart),
FnStart, FnSize) == -1) {
- DEBUG(errs() << "Failed to tell OProfile about native function "
- << Fn.getName() << " at ["
+ DEBUG(dbgs() << "Failed to tell OProfile about native function "
+ << F.getName() << " at ["
<< FnStart << "-" << ((char*)FnStart + FnSize) << "]\n");
return;
}
if (!LineInfo.empty()) {
if (op_write_debug_line_info(Agent, FnStart,
LineInfo.size(), &*LineInfo.begin()) == -1) {
- DEBUG(errs()
+ DEBUG(dbgs()
<< "Failed to tell OProfile about line numbers for native function "
<< F.getName() << " at ["
<< FnStart << "-" << ((char*)FnStart + FnSize) << "]\n");
}
}
-// Removes the to-be-deleted function from the symbol table.
-void OProfileJITEventListener::NotifyFreeingMachineCode(
- const Function &F, void *FnStart) {
+// Removes the being-deleted function from the symbol table.
+void OProfileJITEventListener::NotifyFreeingMachineCode(void *FnStart) {
assert(FnStart && "Invalid function pointer");
if (op_unload_native_code(Agent, reinterpret_cast<uint64_t>(FnStart)) == -1) {
- DOUT << "Failed to tell OProfile about unload of native function "
- << F.getName() << " at " << FnStart << "\n";
+ DEBUG(dbgs()
+ << "Failed to tell OProfile about unload of native function at "
+ << FnStart << "\n");
}
}