michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef LulDwarfSummariser_h
michael@0: #define LulDwarfSummariser_h
michael@0: 
michael@0: #include "LulMainInt.h"
michael@0: 
michael@0: namespace lul {
michael@0: 
michael@0: class Summariser
michael@0: {
michael@0: public:
michael@0:   Summariser(SecMap* aSecMap, uintptr_t aTextBias, void(*aLog)(const char*));
michael@0: 
michael@0:   void Entry(uintptr_t aAddress, uintptr_t aLength);
michael@0:   void End();
michael@0:   void Rule(uintptr_t aAddress,
michael@0:             int aNewReg, int aOldReg, intptr_t aOffset, bool aDeref);
michael@0: 
michael@0: private:
michael@0:   // The SecMap in which we park the finished summaries (RuleSets).
michael@0:   SecMap* mSecMap;
michael@0: 
michael@0:   // Running state for the current summary (RuleSet) under construction.
michael@0:   RuleSet mCurrRules;
michael@0: 
michael@0:   // The start of the address range to which the RuleSet under
michael@0:   // construction applies.
michael@0:   uintptr_t mCurrAddr;
michael@0: 
michael@0:   // The highest address, plus one, for which the RuleSet under
michael@0:   // construction could possibly apply.  If there are no further
michael@0:   // incoming events then mCurrRules will eventually be emitted
michael@0:   // as-is, for the range mCurrAddr.. mMax1Addr - 1, if that is
michael@0:   // nonempty.
michael@0:   uintptr_t mMax1Addr;
michael@0: 
michael@0:   // The bias value (to add to the SVMAs, to get AVMAs) to be used
michael@0:   // when adding entries into mSecMap.
michael@0:   uintptr_t mTextBias;
michael@0: 
michael@0:   // A logging sink, for debugging.
michael@0:   void (*mLog)(const char* aFmt);
michael@0: };
michael@0: 
michael@0: } // namespace lul
michael@0: 
michael@0: #endif // LulDwarfSummariser_h