1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/tools/profiler/LulDwarfSummariser.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,52 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef LulDwarfSummariser_h
1.11 +#define LulDwarfSummariser_h
1.12 +
1.13 +#include "LulMainInt.h"
1.14 +
1.15 +namespace lul {
1.16 +
1.17 +class Summariser
1.18 +{
1.19 +public:
1.20 + Summariser(SecMap* aSecMap, uintptr_t aTextBias, void(*aLog)(const char*));
1.21 +
1.22 + void Entry(uintptr_t aAddress, uintptr_t aLength);
1.23 + void End();
1.24 + void Rule(uintptr_t aAddress,
1.25 + int aNewReg, int aOldReg, intptr_t aOffset, bool aDeref);
1.26 +
1.27 +private:
1.28 + // The SecMap in which we park the finished summaries (RuleSets).
1.29 + SecMap* mSecMap;
1.30 +
1.31 + // Running state for the current summary (RuleSet) under construction.
1.32 + RuleSet mCurrRules;
1.33 +
1.34 + // The start of the address range to which the RuleSet under
1.35 + // construction applies.
1.36 + uintptr_t mCurrAddr;
1.37 +
1.38 + // The highest address, plus one, for which the RuleSet under
1.39 + // construction could possibly apply. If there are no further
1.40 + // incoming events then mCurrRules will eventually be emitted
1.41 + // as-is, for the range mCurrAddr.. mMax1Addr - 1, if that is
1.42 + // nonempty.
1.43 + uintptr_t mMax1Addr;
1.44 +
1.45 + // The bias value (to add to the SVMAs, to get AVMAs) to be used
1.46 + // when adding entries into mSecMap.
1.47 + uintptr_t mTextBias;
1.48 +
1.49 + // A logging sink, for debugging.
1.50 + void (*mLog)(const char* aFmt);
1.51 +};
1.52 +
1.53 +} // namespace lul
1.54 +
1.55 +#endif // LulDwarfSummariser_h
