annotate gcc/ggc.h @ 145:1830386684a0

gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 /* Garbage collection for the GNU compiler.
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
2
145
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
3 Copyright (C) 1998-2020 Free Software Foundation, Inc.
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
4
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
5 This file is part of GCC.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
6
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
7 GCC is free software; you can redistribute it and/or modify it under
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
8 the terms of the GNU General Public License as published by the Free
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
9 Software Foundation; either version 3, or (at your option) any later
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 version.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
11
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
15 for more details.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
16
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
17 You should have received a copy of the GNU General Public License
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
18 along with GCC; see the file COPYING3. If not see
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 <http://www.gnu.org/licenses/>. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
20
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
21 #ifndef GCC_GGC_H
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
22 #define GCC_GGC_H
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
23
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
24 /* Symbols are marked with `ggc' for `gcc gc' so as not to interfere with
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
25 an external gc library that might be linked in. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
26
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
27 /* Internal functions and data structures used by the GTY
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
28 machinery, including the generated gt*.[hc] files. */
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
29
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
30 #include "gtype-desc.h"
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
31
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
32 /* One of these applies its third parameter (with cookie in the fourth
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
33 parameter) to each pointer in the object pointed to by the first
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
34 parameter, using the second parameter. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
35 typedef void (*gt_note_pointers) (void *, void *, gt_pointer_operator,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
36 void *);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
37
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
38 /* One of these is called before objects are re-ordered in memory.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
39 The first parameter is the original object, the second is the
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
40 subobject that has had its pointers reordered, the third parameter
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
41 can compute the new values of a pointer when given the cookie in
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
42 the fourth parameter. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
43 typedef void (*gt_handle_reorder) (void *, void *, gt_pointer_operator,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
44 void *);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
45
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
46 /* Used by the gt_pch_n_* routines. Register an object in the hash table. */
111
kono
parents: 67
diff changeset
47 extern int gt_pch_note_object (void *, void *, gt_note_pointers);
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
48
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
49 /* Used by the gt_pch_n_* routines. Register that an object has a reorder
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
50 function. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
51 extern void gt_pch_note_reorder (void *, void *, gt_handle_reorder);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
52
111
kono
parents: 67
diff changeset
53 /* generated function to clear caches in gc memory. */
kono
parents: 67
diff changeset
54 extern void gt_clear_caches ();
kono
parents: 67
diff changeset
55
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
56 /* Mark the object in the first parameter and anything it points to. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
57 typedef void (*gt_pointer_walker) (void *);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
58
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
59 /* Structures for the easy way to mark roots.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
60 In an array, terminated by having base == NULL. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
61 struct ggc_root_tab {
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
62 void *base;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
63 size_t nelt;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
64 size_t stride;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
65 gt_pointer_walker cb;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
66 gt_pointer_walker pchw;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
67 };
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
68 #define LAST_GGC_ROOT_TAB { NULL, 0, 0, NULL, NULL }
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
69 /* Pointers to arrays of ggc_root_tab, terminated by NULL. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
70 extern const struct ggc_root_tab * const gt_ggc_rtab[];
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
71 extern const struct ggc_root_tab * const gt_ggc_deletable_rtab[];
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
72 extern const struct ggc_root_tab * const gt_pch_scalar_rtab[];
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
73
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
74 /* If EXPR is not NULL and previously unmarked, mark it and evaluate
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
75 to true. Otherwise evaluate to false. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
76 #define ggc_test_and_set_mark(EXPR) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
77 ((EXPR) != NULL && ((void *) (EXPR)) != (void *) 1 && ! ggc_set_mark (EXPR))
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
78
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
79 #define ggc_mark(EXPR) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
80 do { \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
81 const void *const a__ = (EXPR); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
82 if (a__ != NULL && a__ != (void *) 1) \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
83 ggc_set_mark (a__); \
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
84 } while (0)
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
85
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
86 /* Actually set the mark on a particular region of memory, but don't
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
87 follow pointers. This function is called by ggc_mark_*. It
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
88 returns zero if the object was not previously marked; nonzero if
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
89 the object was already marked, or if, for any other reason,
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
90 pointers in this data structure should not be traversed. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
91 extern int ggc_set_mark (const void *);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
92
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
93 /* Return 1 if P has been marked, zero otherwise.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
94 P must have been allocated by the GC allocator; it mustn't point to
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
95 static objects, stack variables, or memory allocated with malloc. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
96 extern int ggc_marked_p (const void *);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
97
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
98 /* PCH and GGC handling for strings, mostly trivial. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
99 extern void gt_pch_n_S (const void *);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
100 extern void gt_ggc_m_S (const void *);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
101
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
102 /* End of GTY machinery API. */
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
103
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
104 /* Initialize the string pool. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
105 extern void init_stringpool (void);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
106
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
107 /* Initialize the garbage collector. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
108 extern void init_ggc (void);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
109
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
110 /* When true, identifier nodes are considered as GC roots. When
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
111 false, identifier nodes are treated like any other GC-allocated
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
112 object, and the identifier hash table is treated as a weak
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
113 hash. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
114 extern bool ggc_protect_identifiers;
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
115
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
116 /* Write out all GCed objects to F. */
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
117 extern void gt_pch_save (FILE *f);
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
118
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
119
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
120 /* Allocation. */
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
121
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
122 /* The internal primitive. */
111
kono
parents: 67
diff changeset
123 extern void *ggc_internal_alloc (size_t, void (*)(void *), size_t,
kono
parents: 67
diff changeset
124 size_t CXX_MEM_STAT_INFO)
kono
parents: 67
diff changeset
125 ATTRIBUTE_MALLOC;
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
126
111
kono
parents: 67
diff changeset
127 inline void *
kono
parents: 67
diff changeset
128 ggc_internal_alloc (size_t s CXX_MEM_STAT_INFO)
kono
parents: 67
diff changeset
129 {
kono
parents: 67
diff changeset
130 return ggc_internal_alloc (s, NULL, 0, 1 PASS_MEM_STAT);
kono
parents: 67
diff changeset
131 }
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
132
111
kono
parents: 67
diff changeset
133 extern size_t ggc_round_alloc_size (size_t requested_size);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
134
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
135 /* Allocates cleared memory. */
111
kono
parents: 67
diff changeset
136 extern void *ggc_internal_cleared_alloc (size_t, void (*)(void *),
kono
parents: 67
diff changeset
137 size_t, size_t
kono
parents: 67
diff changeset
138 CXX_MEM_STAT_INFO) ATTRIBUTE_MALLOC;
kono
parents: 67
diff changeset
139
kono
parents: 67
diff changeset
140 inline void *
kono
parents: 67
diff changeset
141 ggc_internal_cleared_alloc (size_t s CXX_MEM_STAT_INFO)
kono
parents: 67
diff changeset
142 {
kono
parents: 67
diff changeset
143 return ggc_internal_cleared_alloc (s, NULL, 0, 1 PASS_MEM_STAT);
kono
parents: 67
diff changeset
144 }
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
145
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 /* Resize a block. */
111
kono
parents: 67
diff changeset
147 extern void *ggc_realloc (void *, size_t CXX_MEM_STAT_INFO);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
148
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 /* Free a block. To be used when known for certain it's not reachable. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 extern void ggc_free (void *);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
151
145
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
152 extern void dump_ggc_loc_statistics ();
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
153
111
kono
parents: 67
diff changeset
154 /* Reallocator. */
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
155 #define GGC_RESIZEVEC(T, P, N) \
111
kono
parents: 67
diff changeset
156 ((T *) ggc_realloc ((P), (N) * sizeof (T) MEM_STAT_INFO))
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
157
111
kono
parents: 67
diff changeset
158 template<typename T>
kono
parents: 67
diff changeset
159 void
kono
parents: 67
diff changeset
160 finalize (void *p)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
161 {
111
kono
parents: 67
diff changeset
162 static_cast<T *> (p)->~T ();
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
163 }
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
164
111
kono
parents: 67
diff changeset
165 template<typename T>
kono
parents: 67
diff changeset
166 inline bool
kono
parents: 67
diff changeset
167 need_finalization_p ()
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
168 {
111
kono
parents: 67
diff changeset
169 #if GCC_VERSION >= 4003
kono
parents: 67
diff changeset
170 return !__has_trivial_destructor (T);
kono
parents: 67
diff changeset
171 #else
kono
parents: 67
diff changeset
172 return true;
kono
parents: 67
diff changeset
173 #endif
kono
parents: 67
diff changeset
174 }
kono
parents: 67
diff changeset
175
kono
parents: 67
diff changeset
176 template<typename T>
kono
parents: 67
diff changeset
177 inline T *
kono
parents: 67
diff changeset
178 ggc_alloc (ALONE_CXX_MEM_STAT_INFO)
kono
parents: 67
diff changeset
179 {
kono
parents: 67
diff changeset
180 if (need_finalization_p<T> ())
kono
parents: 67
diff changeset
181 return static_cast<T *> (ggc_internal_alloc (sizeof (T), finalize<T>, 0, 1
kono
parents: 67
diff changeset
182 PASS_MEM_STAT));
kono
parents: 67
diff changeset
183 else
kono
parents: 67
diff changeset
184 return static_cast<T *> (ggc_internal_alloc (sizeof (T), NULL, 0, 1
kono
parents: 67
diff changeset
185 PASS_MEM_STAT));
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
186 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
187
145
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
188 /* GGC allocation function that does not call finalizer for type
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
189 that have need_finalization_p equal to true. User is responsible
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
190 for calling of the destructor. */
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
191
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
192 template<typename T>
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
193 inline T *
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
194 ggc_alloc_no_dtor (ALONE_CXX_MEM_STAT_INFO)
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
195 {
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
196 return static_cast<T *> (ggc_internal_alloc (sizeof (T), NULL, 0, 1
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
197 PASS_MEM_STAT));
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
198 }
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
199
111
kono
parents: 67
diff changeset
200 template<typename T>
kono
parents: 67
diff changeset
201 inline T *
kono
parents: 67
diff changeset
202 ggc_cleared_alloc (ALONE_CXX_MEM_STAT_INFO)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
203 {
111
kono
parents: 67
diff changeset
204 if (need_finalization_p<T> ())
kono
parents: 67
diff changeset
205 return static_cast<T *> (ggc_internal_cleared_alloc (sizeof (T),
kono
parents: 67
diff changeset
206 finalize<T>, 0, 1
kono
parents: 67
diff changeset
207 PASS_MEM_STAT));
kono
parents: 67
diff changeset
208 else
kono
parents: 67
diff changeset
209 return static_cast<T *> (ggc_internal_cleared_alloc (sizeof (T), NULL, 0, 1
kono
parents: 67
diff changeset
210 PASS_MEM_STAT));
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
211 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
212
111
kono
parents: 67
diff changeset
213 template<typename T>
kono
parents: 67
diff changeset
214 inline T *
kono
parents: 67
diff changeset
215 ggc_vec_alloc (size_t c CXX_MEM_STAT_INFO)
kono
parents: 67
diff changeset
216 {
kono
parents: 67
diff changeset
217 if (need_finalization_p<T> ())
kono
parents: 67
diff changeset
218 return static_cast<T *> (ggc_internal_alloc (c * sizeof (T), finalize<T>,
kono
parents: 67
diff changeset
219 sizeof (T), c PASS_MEM_STAT));
kono
parents: 67
diff changeset
220 else
kono
parents: 67
diff changeset
221 return static_cast<T *> (ggc_internal_alloc (c * sizeof (T), NULL, 0, 0
kono
parents: 67
diff changeset
222 PASS_MEM_STAT));
kono
parents: 67
diff changeset
223 }
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
224
111
kono
parents: 67
diff changeset
225 template<typename T>
kono
parents: 67
diff changeset
226 inline T *
kono
parents: 67
diff changeset
227 ggc_cleared_vec_alloc (size_t c CXX_MEM_STAT_INFO)
kono
parents: 67
diff changeset
228 {
kono
parents: 67
diff changeset
229 if (need_finalization_p<T> ())
kono
parents: 67
diff changeset
230 return static_cast<T *> (ggc_internal_cleared_alloc (c * sizeof (T),
kono
parents: 67
diff changeset
231 finalize<T>,
kono
parents: 67
diff changeset
232 sizeof (T), c
kono
parents: 67
diff changeset
233 PASS_MEM_STAT));
kono
parents: 67
diff changeset
234 else
kono
parents: 67
diff changeset
235 return static_cast<T *> (ggc_internal_cleared_alloc (c * sizeof (T), NULL,
kono
parents: 67
diff changeset
236 0, 0 PASS_MEM_STAT));
kono
parents: 67
diff changeset
237 }
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
238
111
kono
parents: 67
diff changeset
239 inline void *
kono
parents: 67
diff changeset
240 ggc_alloc_atomic (size_t s CXX_MEM_STAT_INFO)
kono
parents: 67
diff changeset
241 {
kono
parents: 67
diff changeset
242 return ggc_internal_alloc (s PASS_MEM_STAT);
kono
parents: 67
diff changeset
243 }
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
244
145
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
245 /* Call destructor and free the garbage collected memory. */
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
246
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
247 template <typename T>
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
248 inline void
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
249 ggc_delete (T *ptr)
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
250 {
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
251 ptr->~T ();
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
252 ggc_free (ptr);
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
253 }
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
254
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
255 /* Allocate a gc-able string, and fill it with LENGTH bytes from CONTENTS.
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
256 If LENGTH is -1, then CONTENTS is assumed to be a
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 null-terminated string and the memory sized accordingly. */
111
kono
parents: 67
diff changeset
258 extern const char *ggc_alloc_string (const char *contents, int length
kono
parents: 67
diff changeset
259 CXX_MEM_STAT_INFO);
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
260
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
261 /* Make a copy of S, in GC-able memory. */
111
kono
parents: 67
diff changeset
262 #define ggc_strdup(S) ggc_alloc_string ((S), -1 MEM_STAT_INFO)
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
263
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
264 /* Invoke the collector. Garbage collection occurs only when this
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
265 function is called, not during allocations. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
266 extern void ggc_collect (void);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
267
145
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
268 /* Return unused memory pages to the system. */
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
269 extern void ggc_trim (void);
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
270
111
kono
parents: 67
diff changeset
271 /* Assume that all GGC memory is reachable and grow the limits for next collection. */
kono
parents: 67
diff changeset
272 extern void ggc_grow (void);
kono
parents: 67
diff changeset
273
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
274 /* Register an additional root table. This can be useful for some
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
275 plugins. Does nothing if the passed pointer is NULL. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
276 extern void ggc_register_root_tab (const struct ggc_root_tab *);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
277
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
278 /* Read objects previously saved with gt_pch_save from F. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
279 extern void gt_pch_restore (FILE *f);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
280
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
281 /* Statistics. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
282
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
283 /* Print allocation statistics. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
284 extern void ggc_print_statistics (void);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
285
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
286 extern void stringpool_statistics (void);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
287
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
288 /* Heuristics. */
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
289 extern void init_ggc_heuristics (void);
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
290
145
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
291 /* Report current heap memory use to stderr. */
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
292 extern void report_heap_memory_use (void);
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
293
111
kono
parents: 67
diff changeset
294 #define ggc_alloc_rtvec_sized(NELT) \
kono
parents: 67
diff changeset
295 (rtvec_def *) ggc_internal_alloc (sizeof (struct rtvec_def) \
kono
parents: 67
diff changeset
296 + ((NELT) - 1) * sizeof (rtx)) \
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
297
111
kono
parents: 67
diff changeset
298 /* Memory statistics passing versions of some allocators. Too few of them to
kono
parents: 67
diff changeset
299 make gengtype produce them, so just define the needed ones here. */
kono
parents: 67
diff changeset
300 inline struct rtx_def *
kono
parents: 67
diff changeset
301 ggc_alloc_rtx_def_stat (size_t s CXX_MEM_STAT_INFO)
kono
parents: 67
diff changeset
302 {
kono
parents: 67
diff changeset
303 return (struct rtx_def *) ggc_internal_alloc (s PASS_MEM_STAT);
kono
parents: 67
diff changeset
304 }
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
305
111
kono
parents: 67
diff changeset
306 inline union tree_node *
kono
parents: 67
diff changeset
307 ggc_alloc_tree_node_stat (size_t s CXX_MEM_STAT_INFO)
kono
parents: 67
diff changeset
308 {
kono
parents: 67
diff changeset
309 return (union tree_node *) ggc_internal_alloc (s PASS_MEM_STAT);
kono
parents: 67
diff changeset
310 }
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
311
111
kono
parents: 67
diff changeset
312 inline union tree_node *
kono
parents: 67
diff changeset
313 ggc_alloc_cleared_tree_node_stat (size_t s CXX_MEM_STAT_INFO)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
314 {
111
kono
parents: 67
diff changeset
315 return (union tree_node *) ggc_internal_cleared_alloc (s PASS_MEM_STAT);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
316 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
317
111
kono
parents: 67
diff changeset
318 inline gimple *
kono
parents: 67
diff changeset
319 ggc_alloc_cleared_gimple_statement_stat (size_t s CXX_MEM_STAT_INFO)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
320 {
111
kono
parents: 67
diff changeset
321 return (gimple *) ggc_internal_cleared_alloc (s PASS_MEM_STAT);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
322 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
323
111
kono
parents: 67
diff changeset
324 inline void
kono
parents: 67
diff changeset
325 gt_ggc_mx (const char *s)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
326 {
111
kono
parents: 67
diff changeset
327 ggc_test_and_set_mark (const_cast<char *> (s));
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
328 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
329
111
kono
parents: 67
diff changeset
330 inline void
kono
parents: 67
diff changeset
331 gt_pch_nx (const char *)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
332 {
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
333 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
334
111
kono
parents: 67
diff changeset
335 inline void
kono
parents: 67
diff changeset
336 gt_ggc_mx (int)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
337 {
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
338 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
339
111
kono
parents: 67
diff changeset
340 inline void
kono
parents: 67
diff changeset
341 gt_pch_nx (int)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
342 {
111
kono
parents: 67
diff changeset
343 }
kono
parents: 67
diff changeset
344
kono
parents: 67
diff changeset
345 inline void
kono
parents: 67
diff changeset
346 gt_pch_nx (unsigned int)
kono
parents: 67
diff changeset
347 {
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
348 }
0
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
349
a06113de4d67 first commit
kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
350 #endif