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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 #ifndef V8_OPROFILE_AGENT_H_ | |
29 #define V8_OPROFILE_AGENT_H_ | |
30 | |
31 #include <stdlib.h> | |
32 | |
33 #include "globals.h" | |
34 | |
35 #ifdef ENABLE_OPROFILE_AGENT | |
36 // opagent.h uses uint64_t type, which can be missing in | |
37 // system headers (they have __uint64_t), but is defined | |
38 // in V8's headers. | |
39 #include <opagent.h> // NOLINT | |
40 | |
41 #define OPROFILE(Call) \ | |
42 do { \ | |
43 if (v8::internal::OProfileAgent::is_enabled()) \ | |
44 v8::internal::OProfileAgent::Call; \ | |
45 } while (false) | |
46 #else | |
47 #define OPROFILE(Call) ((void) 0) | |
48 #endif | |
49 | |
50 namespace v8 { | |
51 namespace internal { | |
52 | |
53 class OProfileAgent { | |
54 public: | |
55 static bool Initialize(); | |
56 static void TearDown(); | |
57 #ifdef ENABLE_OPROFILE_AGENT | |
58 static void CreateNativeCodeRegion(const char* name, | |
59 const void* ptr, unsigned int size); | |
60 static void CreateNativeCodeRegion(String* name, | |
61 const void* ptr, unsigned int size); | |
62 static void CreateNativeCodeRegion(String* name, String* source, int line_num, | |
63 const void* ptr, unsigned int size); | |
64 static bool is_enabled() { return handle_ != NULL; } | |
65 | |
66 private: | |
67 static op_agent_t handle_; | |
68 | |
69 // Size of the buffer that is used for composing code areas names. | |
70 static const int kFormattingBufSize = 256; | |
71 #else | |
72 static bool is_enabled() { return false; } | |
73 #endif | |
74 }; | |
75 } } | |
76 | |
77 #endif // V8_OPROFILE_AGENT_H_ | |
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