Remove OProfile support. We have Linux Perf support,

src/oprofile-agent.cc

-// Copyright 2006-2009 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include "v8.h"
-
-#include "oprofile-agent.h"
-
-namespace v8 {
-namespace internal {
-
-
-bool OProfileAgent::Initialize() {
-#ifdef ENABLE_OPROFILE_AGENT
-  if (FLAG_oprofile) {
-    if (handle_ != NULL) return false;
-
-    // Disable code moving by GC.
-    FLAG_always_compact = false;
-    FLAG_never_compact = true;
-
-    handle_ = op_open_agent();
-    return (handle_ != NULL);
-  } else {
-    return true;
-  }
-#else
-  if (FLAG_oprofile) {
-    OS::Print("Warning: --oprofile specified but binary compiled without "
-              "oprofile support.\n");
-  }
-  return true;
-#endif
-}
-
-
-void OProfileAgent::TearDown() {
-#ifdef ENABLE_OPROFILE_AGENT
-  if (handle_ != NULL) {
-    op_close_agent(handle_);
-  }
-#endif
-}
-
-
-#ifdef ENABLE_OPROFILE_AGENT
-op_agent_t OProfileAgent::handle_ = NULL;
-
-
-void OProfileAgent::CreateNativeCodeRegion(const char* name,
-    const void* ptr, unsigned int size) {
-  op_write_native_code(handle_, name, (uint64_t)ptr, ptr, size);
-}
-
-
-void OProfileAgent::CreateNativeCodeRegion(String* name,
-    const void* ptr, unsigned int size) {
-  const char* func_name;
-  SmartPointer<char> str =
-      name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL);
-  func_name = name->length() > 0 ? *str : "<anonymous>";
-  CreateNativeCodeRegion(func_name, ptr, size);
-}
-
-
-void OProfileAgent::CreateNativeCodeRegion(String* name, String* source,
-    int line_num, const void* ptr, unsigned int size) {
-  Vector<char> buf = Vector<char>::New(OProfileAgent::kFormattingBufSize);
-  const char* func_name;
-  SmartPointer<char> str =
-      name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL);
-  func_name = name->length() > 0 ? *str : "<anonymous>";
-  SmartPointer<char> source_str =
-      source->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL);
-  if (v8::internal::OS::SNPrintF(buf, "%s %s:%d",
-                                 func_name, *source_str, line_num) != -1) {
-    CreateNativeCodeRegion(buf.start(), ptr, size);
-  } else {
-    CreateNativeCodeRegion("<script/func name too long>", ptr, size);
-  }
-}
-
-#endif  // ENABLE_OPROFILE_AGENT
-
-} }  // namespace v8::internal