69 lines
2.7 KiB
C
69 lines
2.7 KiB
C
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// Copyright 2006-2009 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_OPROFILE_AGENT_H_
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#define V8_OPROFILE_AGENT_H_
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#include <stdlib.h>
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#include "globals.h"
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#ifdef ENABLE_OPROFILE_AGENT
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// opagent.h uses uint64_t type, which can be missing in
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// system headers (they have __uint64_t), but is defined
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// in V8's headers.
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#include <opagent.h> // NOLINT
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#endif
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namespace v8 { namespace internal {
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class OProfileAgent {
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public:
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static bool Initialize();
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static void TearDown();
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static void CreateNativeCodeRegion(const char* name,
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const void* ptr, unsigned int size);
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static void CreateNativeCodeRegion(String* name,
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const void* ptr, unsigned int size);
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static void CreateNativeCodeRegion(String* name, String* source, int line_num,
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const void* ptr, unsigned int size);
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#ifdef ENABLE_OPROFILE_AGENT
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static bool is_enabled() { return handle_ != NULL; }
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private:
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static op_agent_t handle_;
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// Size of the buffer that is used for composing code areas names.
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static const int kFormattingBufSize = 256;
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#else
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static bool is_enabled() { return false; }
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#endif
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};
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} }
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#endif // V8_OPROFILE_AGENT_H_
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