15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2008, Google Inc. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// All rights reserved. 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Redistribution and use in source and binary forms, with or without 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// modification, are permitted provided that the following conditions are 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// met: 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions of source code must retain the above copyright 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// notice, this list of conditions and the following disclaimer. 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions in binary form must reproduce the above 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// copyright notice, this list of conditions and the following disclaimer 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in the documentation and/or other materials provided with the 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// distribution. 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Neither the name of Google Inc. nor the names of its 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// contributors may be used to endorse or promote products derived from 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this software without specific prior written permission. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --- 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Author: Ken Ashcraft <opensource@google.com> 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "static_vars.h" 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stddef.h> // for NULL 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <new> // for operator new 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "internal_logging.h" // for CHECK_CONDITION 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "common.h" 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "sampler.h" // for Sampler 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace tcmalloc { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SpinLock Static::pageheap_lock_(SpinLock::LINKER_INITIALIZED); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SizeMap Static::sizemap_; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CentralFreeListPadded Static::central_cache_[kNumClasses]; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PageHeapAllocator<Span> Static::span_allocator_; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PageHeapAllocator<StackTrace> Static::stacktrace_allocator_; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Span Static::sampled_objects_; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PageHeapAllocator<StackTraceTable::Bucket> Static::bucket_allocator_; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)StackTrace* Static::growth_stacks_ = NULL; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PageHeap* Static::pageheap_ = NULL; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Static::InitStaticVars() { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sizemap_.Init(); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) span_allocator_.Init(); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) span_allocator_.New(); // Reduce cache conflicts 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) span_allocator_.New(); // Reduce cache conflicts 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) stacktrace_allocator_.Init(); 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bucket_allocator_.Init(); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Do a bit of sanitizing: make sure central_cache is aligned properly 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_CONDITION((sizeof(central_cache_[0]) % 64) == 0); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < kNumClasses; ++i) { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) central_cache_[i].Init(i); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // It's important to have PageHeap allocated, not in static storage, 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // so that HeapLeakChecker does not consider all the byte patterns stored 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // in is caches as pointers that are sources of heap object liveness, 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // which leads to it missing some memory leaks. 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pageheap_ = new (MetaDataAlloc(sizeof(PageHeap))) PageHeap; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DLL_Init(&sampled_objects_); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Sampler::InitStatics(); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace tcmalloc 74