diff options
Diffstat (limited to 'contrib/llvm/lib/ExecutionEngine/OProfileJIT')
-rw-r--r-- | contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileJITEventListener.cpp | 66 | ||||
-rw-r--r-- | contrib/llvm/lib/ExecutionEngine/OProfileJIT/OProfileWrapper.cpp | 17 |
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; |