/* | |
* Copyright (C) 2009 Apple Inc. All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#ifndef VMTags_h | |
#define VMTags_h | |
#include <wtf/Platform.h> | |
// On Mac OS X, the VM subsystem allows tagging memory requested from mmap and vm_map | |
// in order to aid tools that inspect system memory use. | |
#if OS(DARWIN) | |
#include <mach/vm_statistics.h> | |
#if !defined(TARGETING_TIGER) | |
#if defined(VM_MEMORY_TCMALLOC) | |
#define VM_TAG_FOR_TCMALLOC_MEMORY VM_MAKE_TAG(VM_MEMORY_TCMALLOC) | |
#else | |
#define VM_TAG_FOR_TCMALLOC_MEMORY VM_MAKE_TAG(53) | |
#endif // defined(VM_MEMORY_TCMALLOC) | |
#if defined(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR) | |
#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR) | |
#else | |
#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY VM_MAKE_TAG(64) | |
#endif // defined(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR) | |
#if defined(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE) | |
#define VM_TAG_FOR_REGISTERFILE_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE) | |
#else | |
#define VM_TAG_FOR_REGISTERFILE_MEMORY VM_MAKE_TAG(65) | |
#endif // defined(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE) | |
#else // !defined(TARGETING_TIGER) | |
// mmap on Tiger fails with tags that work on Leopard, so fall | |
// back to Tiger-compatible tags (that also work on Leopard) | |
// when targeting Tiger. | |
#define VM_TAG_FOR_TCMALLOC_MEMORY -1 | |
#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY -1 | |
#define VM_TAG_FOR_REGISTERFILE_MEMORY -1 | |
#endif // !defined(TARGETING_TIGER) | |
// Tags for vm_map and vm_allocate work on both Tiger and Leopard. | |
#if defined(VM_MEMORY_JAVASCRIPT_CORE) | |
#define VM_TAG_FOR_COLLECTOR_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_CORE) | |
#else | |
#define VM_TAG_FOR_COLLECTOR_MEMORY VM_MAKE_TAG(63) | |
#endif // defined(VM_MEMORY_JAVASCRIPT_CORE) | |
#if defined(VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS) | |
#define VM_TAG_FOR_WEBCORE_PURGEABLE_MEMORY VM_MAKE_TAG(VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS) | |
#else | |
#define VM_TAG_FOR_WEBCORE_PURGEABLE_MEMORY VM_MAKE_TAG(69) | |
#endif // defined(VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS) | |
#else // OS(DARWIN) | |
#define VM_TAG_FOR_TCMALLOC_MEMORY -1 | |
#define VM_TAG_FOR_COLLECTOR_MEMORY -1 | |
#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY -1 | |
#define VM_TAG_FOR_REGISTERFILE_MEMORY -1 | |
#define VM_TAG_FOR_WEBCORE_PURGEABLE_MEMORY -1 | |
#endif // OS(DARWIN) | |
#endif // VMTags_h |