1 | /* |
2 | * Copyright (C) 2009, 2017 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #include "BPlatform.h" |
29 | |
30 | // On Mac OS X, the VM subsystem allows tagging memory requested from mmap and vm_map |
31 | // in order to aid tools that inspect system memory use. |
32 | #if BOS(DARWIN) |
33 | |
34 | #include <mach/vm_statistics.h> |
35 | |
36 | #if defined(VM_MEMORY_TCMALLOC) |
37 | #define VM_TAG_FOR_TCMALLOC_MEMORY VM_MAKE_TAG(VM_MEMORY_TCMALLOC) |
38 | #else |
39 | #define VM_TAG_FOR_TCMALLOC_MEMORY VM_MAKE_TAG(53) |
40 | #endif // defined(VM_MEMORY_TCMALLOC) |
41 | |
42 | #if defined(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR) |
43 | #define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR) |
44 | #else |
45 | #define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY VM_MAKE_TAG(64) |
46 | #endif // defined(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR) |
47 | |
48 | #if defined(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE) |
49 | #define VM_TAG_FOR_REGISTERFILE_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE) |
50 | #else |
51 | #define VM_TAG_FOR_REGISTERFILE_MEMORY VM_MAKE_TAG(65) |
52 | #endif // defined(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE) |
53 | |
54 | #if defined(VM_MEMORY_JAVASCRIPT_CORE) |
55 | #define VM_TAG_FOR_GIGACAGE_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_CORE) |
56 | #else |
57 | #define VM_TAG_FOR_GIGACAGE_MEMORY VM_MAKE_TAG(63) |
58 | #endif // defined(VM_MEMORY_JAVASCRIPT_CORE) |
59 | |
60 | #else // BOS(DARWIN) |
61 | |
62 | #define VM_TAG_FOR_TCMALLOC_MEMORY -1 |
63 | #define VM_TAG_FOR_GIGACAGE_MEMORY -1 |
64 | #define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY -1 |
65 | #define VM_TAG_FOR_REGISTERFILE_MEMORY -1 |
66 | |
67 | #endif // BOS(DARWIN) |
68 | |
69 | namespace bmalloc { |
70 | |
71 | enum class VMTag { |
72 | Unknown = -1, |
73 | Malloc = VM_TAG_FOR_TCMALLOC_MEMORY, |
74 | JSVMStack = VM_TAG_FOR_REGISTERFILE_MEMORY, |
75 | JSJITCode = VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY, |
76 | JSGigacage = VM_TAG_FOR_GIGACAGE_MEMORY, |
77 | }; |
78 | |
79 | } // namespace bmalloc |
80 | |