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-rw-r--r--contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileJITEventListener.cpp66
-rw-r--r--contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileWrapper.cpp17
2 files changed, 76 insertions, 7 deletions
diff --git a/contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileJITEventListener.cpp b/contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileJITEventListener.cpp
index 38867ec..f11df82 100644
--- a/contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileJITEventListener.cpp
+++ b/contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileJITEventListener.cpp
@@ -20,7 +20,9 @@
#include "llvm/IR/Function.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/ExecutionEngine/ObjectImage.h"
#include "llvm/ExecutionEngine/OProfileWrapper.h"
+#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Errno.h"
@@ -52,6 +54,10 @@ public:
const JITEvent_EmittedFunctionDetails &Details);
virtual void NotifyFreeingMachineCode(void *OldPtr);
+
+ virtual void NotifyObjectEmitted(const ObjectImage &Obj);
+
+ virtual void NotifyFreeingObject(const ObjectImage &Obj);
};
void OProfileJITEventListener::initialize() {
@@ -159,6 +165,66 @@ void OProfileJITEventListener::NotifyFreeingMachineCode(void *FnStart) {
}
}
+void OProfileJITEventListener::NotifyObjectEmitted(const ObjectImage &Obj) {
+ if (!Wrapper.isAgentAvailable()) {
+ return;
+ }
+
+ // Use symbol info to iterate functions in the object.
+ error_code ec;
+ for (object::symbol_iterator I = Obj.begin_symbols(),
+ E = Obj.end_symbols();
+ I != E && !ec;
+ I.increment(ec)) {
+ object::SymbolRef::Type SymType;
+ if (I->getType(SymType)) continue;
+ if (SymType == object::SymbolRef::ST_Function) {
+ StringRef Name;
+ uint64_t Addr;
+ uint64_t Size;
+ if (I->getName(Name)) continue;
+ if (I->getAddress(Addr)) continue;
+ if (I->getSize(Size)) continue;
+
+ if (Wrapper.op_write_native_code(Name.data(), Addr, (void*)Addr, Size)
+ == -1) {
+ DEBUG(dbgs() << "Failed to tell OProfile about native function "
+ << Name << " at ["
+ << (void*)Addr << "-" << ((char*)Addr + Size) << "]\n");
+ continue;
+ }
+ // TODO: support line number info (similar to IntelJITEventListener.cpp)
+ }
+ }
+}
+
+void OProfileJITEventListener::NotifyFreeingObject(const ObjectImage &Obj) {
+ if (!Wrapper.isAgentAvailable()) {
+ return;
+ }
+
+ // Use symbol info to iterate functions in the object.
+ error_code ec;
+ for (object::symbol_iterator I = Obj.begin_symbols(),
+ E = Obj.end_symbols();
+ I != E && !ec;
+ I.increment(ec)) {
+ object::SymbolRef::Type SymType;
+ if (I->getType(SymType)) continue;
+ if (SymType == object::SymbolRef::ST_Function) {
+ uint64_t Addr;
+ if (I->getAddress(Addr)) continue;
+
+ if (Wrapper.op_unload_native_code(Addr) == -1) {
+ DEBUG(dbgs()
+ << "Failed to tell OProfile about unload of native function at "
+ << (void*)Addr << "\n");
+ continue;
+ }
+ }
+ }
+}
+
} // anonymous namespace.
namespace llvm {
diff --git a/contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileWrapper.cpp b/contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileWrapper.cpp
index 7c0d395..61d8dc2 100644
--- a/contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileWrapper.cpp
+++ b/contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileWrapper.cpp
@@ -13,22 +13,20 @@
//
//===----------------------------------------------------------------------===//
-#include "llvm/ExecutionEngine/OProfileWrapper.h"
-
#define DEBUG_TYPE "oprofile-wrapper"
+#include "llvm/ExecutionEngine/OProfileWrapper.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/Mutex.h"
#include "llvm/Support/MutexGuard.h"
#include "llvm/ADT/SmallString.h"
-
-#include <sstream>
#include <cstring>
-#include <stddef.h>
#include <dirent.h>
-#include <sys/stat.h>
#include <fcntl.h>
+#include <sstream>
+#include <stddef.h>
+#include <sys/stat.h>
#include <unistd.h>
namespace {
@@ -143,6 +141,10 @@ bool OProfileWrapper::checkForOProfileProcEntry() {
close(CmdLineFD);
ssize_t Idx = 0;
+ if (ExeName[0] != '/') {
+ BaseName = ExeName;
+ }
+
// Find the terminator for the first string
while (Idx < NumRead-1 && ExeName[Idx] != 0) {
Idx++;
@@ -161,7 +163,8 @@ bool OProfileWrapper::checkForOProfileProcEntry() {
}
// Test this to see if it is the oprofile daemon
- if (BaseName != 0 && !strcmp("oprofiled", BaseName)) {
+ if (BaseName != 0 && (!strcmp("oprofiled", BaseName) ||
+ !strcmp("operf", BaseName))) {
// If it is, we're done
closedir(ProcDir);
return true;
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