/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Tell the summariser that the value for |aNewReg| at |aAddress| is // recovered using the LExpr that can be constructed using the // components |how|, |oldReg| and |offset|. The summariser will // inspect the components and may reject them for various reasons, // but the hope is that it will find them acceptable and record this // rule permanently. virtualvoid Rule(uintptr_t aAddress, int aNewReg, LExprHow how,
int16_t oldReg, int64_t offset);
virtual uint32_t AddPfxInstr(PfxInstr pfxi);
// Send output to the logging sink, for debugging. virtualvoid Log(constchar* str) { mLog(str); }
private: // The SecMap in which we park the finished summaries (RuleSets) and // also any PfxInstrs derived from Dwarf expressions.
SecMap* mSecMap;
// Running state for the current summary (RuleSet) under construction.
RuleSet mCurrRules;
// The start of the address range to which the RuleSet under // construction applies.
uintptr_t mCurrAddr;
// The highest address, plus one, for which the RuleSet under // construction could possibly apply. If there are no further // incoming events then mCurrRules will eventually be emitted // as-is, for the range mCurrAddr.. mMax1Addr - 1, if that is // nonempty.
uintptr_t mMax1Addr;
// The bias value (to add to the SVMAs, to get AVMAs) to be used // when adding entries into mSecMap.
uintptr_t mTextBias;
// A logging sink, for debugging. void (*mLog)(constchar* aFmt);
};
} // namespace lul
#endif// LulDwarfSummariser_h
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