File: TZoneMalloc.h

package info (click to toggle)
webkit2gtk 2.48.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, trixie
  • size: 429,620 kB
  • sloc: cpp: 3,696,936; javascript: 194,444; ansic: 169,997; python: 46,499; asm: 19,276; ruby: 18,528; perl: 16,602; xml: 4,650; yacc: 2,360; sh: 2,098; java: 1,993; lex: 1,327; pascal: 366; makefile: 298
file content (180 lines) | stat: -rw-r--r-- 9,516 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
/*
 * Copyright (C) 2023-2024 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.
 */

#pragma once

#include <wtf/ForbidHeapAllocation.h>
#include <wtf/Platform.h>

#define WTF_NOEXPORT

#if USE(SYSTEM_MALLOC) || !USE(TZONE_MALLOC)

#include <wtf/FastMalloc.h>

// class allocators with FastMalloc fallback if TZoneHeap is disabled.
#define WTF_MAKE_TZONE_ALLOCATED(name) WTF_MAKE_FAST_ALLOCATED
#define WTF_MAKE_TZONE_ALLOCATED_EXPORT(name, exportMacro) WTF_MAKE_FAST_ALLOCATED

// struct allocators with FastMalloc fallback if TZoneHeap is disabled.
#define WTF_MAKE_STRUCT_TZONE_ALLOCATED(name) WTF_MAKE_STRUCT_FAST_ALLOCATED

// template allocators with FastMalloc fallback if TZoneHeap is disabled.
#define WTF_MAKE_TZONE_ALLOCATED_TEMPLATE(name) WTF_MAKE_FAST_ALLOCATED
#define WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_EXPORT(name, exportMacro) WTF_MAKE_FAST_ALLOCATED

// special class (e.g. those used with CompactPtr) allocators with FastMalloc fallback if TZoneHeap is disabled.
#define WTF_MAKE_COMPACT_TZONE_ALLOCATED(name) WTF_MAKE_FAST_COMPACT_ALLOCATED
#define WTF_MAKE_COMPACT_TZONE_ALLOCATED_EXPORT(name, exportMacro) WTF_MAKE_FAST_COMPACT_ALLOCATED

#if USE(SYSTEM_MALLOC) || !USE(ISO_MALLOC)

// class allocators with IsoHeap fallback if TZoneHeap and IsoHeap are disabled.
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED(name) WTF_MAKE_FAST_ALLOCATED
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED_EXPORT(name, exportMacro) WTF_MAKE_FAST_ALLOCATED

// template allocators with IsoHeap fallback if TZoneHeap and IsoHeap are disabled.
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED_TEMPLATE(name) WTF_MAKE_FAST_ALLOCATED

// class allocators with IsoHeap fallback if TZoneHeap and IsoHeap are disabled.
#define WTF_MAKE_COMPACT_TZONE_OR_ISO_ALLOCATED(name) WTF_MAKE_FAST_COMPACT_ALLOCATED
#define WTF_MAKE_COMPACT_TZONE_OR_ISO_ALLOCATED_EXPORT(name, exportMacro) WTF_MAKE_FAST_COMPACT_ALLOCATED

// template implementation to go with WTF_MAKE_TZONE_OR_ISO_ALLOCATED_TEMPLATE
// if TZoneHeap and IsoHeap are disabled. This should be added immediately after the
// template definition.
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED_TEMPLATE_IMPL(_templateParameters, _type) \
    using __thisIsHereToForceASemicolonAfterThisMacro UNUSED_TYPE_ALIAS = int

#else // !USE(SYSTEM_MALLOC) && USE(ISO_MALLOC) && !USE(TZONE_MALLOC)

#include <bmalloc/IsoHeap.h>

// class allocators with IsoHeap fallback if TZoneHeap is disabled, but IsoHeap is enabled.
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED(name) MAKE_BISO_MALLOCED(name, IsoHeap, WTF_NOEXPORT)
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED_EXPORT(name, exportMacro) MAKE_BISO_MALLOCED(name, IsoHeap, exportMacro)

// template allocators with IsoHeap fallback if TZoneHeap is disabled, but IsoHeap is enabled.
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED_TEMPLATE(name) MAKE_BISO_MALLOCED(name, IsoHeap, WTF_NOEXPORT)

// special class (e.g. those used with CompactPtr) allocators with IsoHeap fallback if TZoneHeap is disabled, but IsoHeap is enabled.
#define WTF_MAKE_COMPACT_TZONE_OR_ISO_ALLOCATED(name) \
    WTF_ALLOW_COMPACT_POINTERS; \
    MAKE_BISO_MALLOCED(name, CompactIsoHeap, WTF_NOEXPORT)
#define WTF_MAKE_COMPACT_TZONE_OR_ISO_ALLOCATED_EXPORT(name, exportMacro) \
    WTF_ALLOW_COMPACT_POINTERS; \
    MAKE_BISO_MALLOCED(name, CompactIsoHeap, exportMacro)

// template implementation to go with WTF_MAKE_TZONE_OR_ISO_ALLOCATED_TEMPLATE
// if TZoneHeap is disabled, but IsoHeap is enabled. This should be added immediately
// after the template definition.
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED_TEMPLATE_IMPL(_templateParameters, _type) \
    MAKE_BISO_MALLOCED_TEMPLATE_IMPL(_templateParameters, _type)

#endif // USE(SYSTEM_MALLOC) || !USE(ISO_MALLOC)

// template implementation to go with WTF_MAKE_TZONE_ALLOCATED_TEMPLATE and
// WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_EXPORT if TZoneHeap is disabled. This
// should be added immediately after the template definition.
#define WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_IMPL(_templateParameters, _type) \
    using __thisIsHereToForceASemicolonAfterThisMacro UNUSED_TYPE_ALIAS = int

#define WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_IMPL_WITH_MULTIPLE_OR_SPECIALIZED_PARAMETERS() \
    using __thisIsHereToForceASemicolonAfterThisMacro UNUSED_TYPE_ALIAS = int

#else // !USE(SYSTEM_MALLOC) && USE(TZONE_MALLOC)

#include <bmalloc/TZoneHeap.h>

#if !BUSE(TZONE)
#error "TZones enabled in WTF, but not enabled in bmalloc"
#endif

// FastMalloc fallback allocators

// class allocators with FastMalloc fallback if TZoneHeap is enabled.
#define WTF_MAKE_TZONE_ALLOCATED(name) MAKE_BTZONE_MALLOCED(name, NonCompact, WTF_NOEXPORT)
#define WTF_MAKE_TZONE_ALLOCATED_EXPORT(name, exportMacro) MAKE_BTZONE_MALLOCED(name, NonCompact, exportMacro)

// struct allocators with FastMalloc fallback if TZoneHeap is enabled.
#define WTF_MAKE_STRUCT_TZONE_ALLOCATED(name) MAKE_STRUCT_BTZONE_MALLOCED(name, NonCompact, WTF_NOEXPORT)

// template allocators with FastMalloc fallback if TZoneHeap is enabled.
#define WTF_MAKE_TZONE_ALLOCATED_TEMPLATE(name) MAKE_BTZONE_MALLOCED_TEMPLATE(name, NonCompact, WTF_NOEXPORT)
#define WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_EXPORT(name, exportMacro) MAKE_BTZONE_MALLOCED_TEMPLATE(name, NonCompact, exportMacro)

// special class (e.g. those used with CompactPtr) allocators with FastMalloc fallback if TZoneHeap is enabled.
#define WTF_MAKE_COMPACT_TZONE_ALLOCATED(name) MAKE_BTZONE_MALLOCED(name, Compact, WTF_NOEXPORT)
#define WTF_MAKE_COMPACT_TZONE_ALLOCATED_EXPORT(name, exportMacro) MAKE_BTZONE_MALLOCED(name, Compact, exportMacro)

// IsoHeap fallback allocators

// class allocators with IsoHeap fallback if TZoneHeap is enabled.
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED(name) MAKE_BTZONE_MALLOCED(name, NonCompact, WTF_NOEXPORT)
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED_EXPORT(name, exportMacro) MAKE_BTZONE_MALLOCED(name, NonCompact, exportMacro)

// template allocators with IsoHeap fallback if TZoneHeap is enabled.
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED_TEMPLATE(name) MAKE_BTZONE_MALLOCED_TEMPLATE(name, NonCompact, WTF_NOEXPORT)

// special class (e.g. those used with CompactPtr) allocators with IsoHeap fallback if TZoneHeap is enabled.
#define WTF_MAKE_COMPACT_TZONE_OR_ISO_ALLOCATED(name) \
    WTF_ALLOW_COMPACT_POINTERS; \
    MAKE_BTZONE_MALLOCED(name, Compact, WTF_NOEXPORT)
#define WTF_MAKE_COMPACT_TZONE_OR_ISO_ALLOCATED_EXPORT(name, exportMacro) \
    WTF_ALLOW_COMPACT_POINTERS; \
    MAKE_BTZONE_MALLOCED(name, Compact, exportMacro)

// Template implementations for instantiating allocator template static / methods

// template implementation to go with WTF_MAKE_TZONE_ALLOCATED_TEMPLATE and
// WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_EXPORT if TZoneHeap is enabled. This
// should be added immediately after the template definition.
#define WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_IMPL(_templateParameters, _type) MAKE_BTZONE_MALLOCED_TEMPLATE_IMPL(_templateParameters, _type)

// template implementation to go with WTF_MAKE_TZONE_OR_ISO_ALLOCATED_TEMPLATE
// if TZoneHeap is enabled. This should be added immediately after the template definition.
#define WTF_MAKE_TZONE_OR_ISO_ALLOCATED_TEMPLATE_IMPL(_templateParameters, _type) MAKE_BTZONE_MALLOCED_TEMPLATE_IMPL(_templateParameters, _type)

// template implementation for to go with WTF_MAKE_TZONE_ALLOCATED_TEMPLATE and
// WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_EXPORT if TZoneHeap is ensabled. This
// should be added immediately after the template definition. This version is
// needed in order to support templates with multiple parameters (which
// WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_IMPL cannot support).
//
// Requires the client to define these 3 macros:
//     TZONE_TEMPLATE_PARAMS, TZONE_TYPE
#define WTF_MAKE_TZONE_ALLOCATED_TEMPLATE_IMPL_WITH_MULTIPLE_OR_SPECIALIZED_PARAMETERS() \
    MAKE_BTZONE_MALLOCED_TEMPLATE_IMPL_WITH_MULTIPLE_PARAMETERS()

#endif

// Annotation to forbid use with dynamic allocation

// class / struct which should not use dynamic allocation.
#define WTF_MAKE_TZONE_NON_HEAP_ALLOCATABLE(name) WTF_FORBID_HEAP_ALLOCATION

// class / struct which should not use dynamic allocation. These used to be ISO_ALLOCATED.
// FIXME: we should remove this and use WTF_MAKE_TZONE_NON_HEAP_ALLOCATABLE instead.
#define WTF_MAKE_TZONE_OR_ISO_NON_HEAP_ALLOCATABLE(name) WTF_FORBID_HEAP_ALLOCATION