hphp/runtime/vm/jit/prof-src-key.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2014 Facebook, Inc. (http://www.facebook.com)     |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #ifndef incl_HPHP_JIT_PROF_SRC_KEY_H_
  18 #define incl_HPHP_JIT_PROF_SRC_KEY_H_
  19
  20 #include "hphp/runtime/base/types.h"
  21 #include "hphp/runtime/vm/srckey.h"
  22
  23 #include <boost/operators.hpp>
  24
  25 namespace HPHP { namespace jit {
  26
  27 /**
  28  * A simple struct identifying a bytecode instruction in a given
  29  * profiling translation.
  30  */
  31 struct ProfSrcKey : private boost::totally_ordered<ProfSrcKey> {
  32   TransID profTransId;
  33   SrcKey  srcKey;
  34
  35   ProfSrcKey(TransID tid, SrcKey sk)
  36     : profTransId(tid)
  37     , srcKey(sk)
  38   { }
  39
  40   bool operator==(const ProfSrcKey& other) const {
  41     return profTransId == other.profTransId && srcKey == other.srcKey;
  42   }
  43
  44   bool operator<(const ProfSrcKey& other) const {
  45     return profTransId < other.profTransId ||
  46       (profTransId == other.profTransId && srcKey < other.srcKey);
  47   }
  48
  49   struct Hasher;
  50 };
  51
  52 struct ProfSrcKey::Hasher {
  53   size_t operator()(ProfSrcKey psk) const {
  54     return hash_int64_pair(psk.profTransId, psk.srcKey.toAtomicInt());
  55   }
  56 };
  57
  58 typedef hphp_hash_set<ProfSrcKey, ProfSrcKey::Hasher> ProfSrcKeySet;
  59
  60 } }
  61
  62 #endif