7bd01783a8
This option adds the ability to record all of the allocation requests and dump them to a file when a signal is sent to the process. Included in this change, redo the option processing to add a new string option. Bug: 27747898 Change-Id: Ida043362e38b5eb1d459c99db9c2581015dab366
109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdint.h>
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#include "BacktraceData.h"
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#include "Config.h"
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#include "DebugData.h"
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#include "debug_disable.h"
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#include "FreeTrackData.h"
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#include "GuardData.h"
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#include "malloc_debug.h"
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#include "TrackData.h"
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bool DebugData::Initialize() {
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if (!config_.SetFromProperties()) {
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return false;
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}
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// Check to see if the options that require a header are enabled.
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if (config_.options & HEADER_OPTIONS) {
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need_header_ = true;
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// Initialize all of the static header offsets.
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pointer_offset_ = BIONIC_ALIGN(sizeof(Header), MINIMUM_ALIGNMENT_BYTES);
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if (config_.options & BACKTRACE) {
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backtrace.reset(new BacktraceData(this, config_, &pointer_offset_));
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if (!backtrace->Initialize(config_)) {
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return false;
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}
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}
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if (config_.options & FRONT_GUARD) {
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front_guard.reset(new FrontGuardData(this, config_, &pointer_offset_));
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}
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extra_bytes_ = pointer_offset_;
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// Initialize all of the non-header data.
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if (config_.options & REAR_GUARD) {
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rear_guard.reset(new RearGuardData(this, config_));
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extra_bytes_ += config_.rear_guard_bytes;
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}
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if (config_.options & FREE_TRACK) {
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free_track.reset(new FreeTrackData(this, config_));
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}
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if (config_.options & TRACK_ALLOCS) {
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track.reset(new TrackData(this));
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}
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}
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if (config_.options & RECORD_ALLOCS) {
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record.reset(new RecordData());
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if (!record->Initialize(config_)) {
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return false;
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}
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}
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if (config_.options & EXPAND_ALLOC) {
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extra_bytes_ += config_.expand_alloc_bytes;
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}
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return true;
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}
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void DebugData::PrepareFork() {
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if (track != nullptr) {
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track->PrepareFork();
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}
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}
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void DebugData::PostForkParent() {
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if (track != nullptr) {
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track->PostForkParent();
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}
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}
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void DebugData::PostForkChild() {
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if (track != nullptr) {
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track->PostForkChild();
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}
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}
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