tools/profiler/LulDwarfSummariser.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef LulDwarfSummariser_h
michael@0 8 #define LulDwarfSummariser_h
michael@0 9
michael@0 10 #include "LulMainInt.h"
michael@0 11
michael@0 12 namespace lul {
michael@0 13
michael@0 14 class Summariser
michael@0 15 {
michael@0 16 public:
michael@0 17 Summariser(SecMap* aSecMap, uintptr_t aTextBias, void(*aLog)(const char*));
michael@0 18
michael@0 19 void Entry(uintptr_t aAddress, uintptr_t aLength);
michael@0 20 void End();
michael@0 21 void Rule(uintptr_t aAddress,
michael@0 22 int aNewReg, int aOldReg, intptr_t aOffset, bool aDeref);
michael@0 23
michael@0 24 private:
michael@0 25 // The SecMap in which we park the finished summaries (RuleSets).
michael@0 26 SecMap* mSecMap;
michael@0 27
michael@0 28 // Running state for the current summary (RuleSet) under construction.
michael@0 29 RuleSet mCurrRules;
michael@0 30
michael@0 31 // The start of the address range to which the RuleSet under
michael@0 32 // construction applies.
michael@0 33 uintptr_t mCurrAddr;
michael@0 34
michael@0 35 // The highest address, plus one, for which the RuleSet under
michael@0 36 // construction could possibly apply. If there are no further
michael@0 37 // incoming events then mCurrRules will eventually be emitted
michael@0 38 // as-is, for the range mCurrAddr.. mMax1Addr - 1, if that is
michael@0 39 // nonempty.
michael@0 40 uintptr_t mMax1Addr;
michael@0 41
michael@0 42 // The bias value (to add to the SVMAs, to get AVMAs) to be used
michael@0 43 // when adding entries into mSecMap.
michael@0 44 uintptr_t mTextBias;
michael@0 45
michael@0 46 // A logging sink, for debugging.
michael@0 47 void (*mLog)(const char* aFmt);
michael@0 48 };
michael@0 49
michael@0 50 } // namespace lul
michael@0 51
michael@0 52 #endif // LulDwarfSummariser_h

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