1 /*
2 * Copyright (c) 2018, 2019, Red Hat, Inc. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHASSERTS_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHASSERTS_HPP
27
28 #include "memory/iterator.hpp"
29 #include "runtime/mutex.hpp"
30 #include "utilities/formatBuffer.hpp"
31
32 typedef FormatBuffer<8192> ShenandoahMessageBuffer;
33
34 class ShenandoahAsserts {
35 public:
36 enum SafeLevel {
37 _safe_unknown,
38 _safe_oop,
39 _safe_oop_fwd,
40 _safe_all
41 };
42
43 static void print_obj(ShenandoahMessageBuffer &msg, oop obj);
44
45 static void print_non_obj(ShenandoahMessageBuffer &msg, void *loc);
46
47 static void print_obj_safe(ShenandoahMessageBuffer &msg, void *loc);
48
49 static void print_failure(SafeLevel level, oop obj, void *interior_loc, oop loc,
50 const char *phase, const char *label,
51 const char *file, int line);
52
53 static void print_rp_failure(const char *label, BoolObjectClosure* actual,
54 const char *file, int line);
55
56 static void assert_in_heap_bounds(void* interior_loc, oop obj, const char* file, int line);
57 static void assert_in_heap_bounds_or_null(void* interior_loc, oop obj, const char* file, int line);
58 static void assert_in_correct_region(void* interior_loc, oop obj, const char* file, int line);
59
60 static void assert_correct(void* interior_loc, oop obj, const char* file, int line);
61 static void assert_forwarded(void* interior_loc, oop obj, const char* file, int line);
62 static void assert_not_forwarded(void* interior_loc, oop obj, const char* file, int line);
63 static void assert_marked(void* interior_loc, oop obj, const char* file, int line);
64 static void assert_marked_weak(void* interior_loc, oop obj, const char* file, int line);
65 static void assert_marked_strong(void* interior_loc, oop obj, const char* file, int line);
66 static void assert_in_cset(void* interior_loc, oop obj, const char* file, int line);
67 static void assert_not_in_cset(void* interior_loc, oop obj, const char* file, int line);
68 static void assert_not_in_cset_loc(void* interior_loc, const char* file, int line);
69
70 static void assert_locked_or_shenandoah_safepoint(Mutex* lock, const char* file, int line);
71
72 static void assert_heaplocked(const char* file, int line);
73 static void assert_not_heaplocked(const char* file, int line);
74 static void assert_heaplocked_or_safepoint(const char* file, int line);
75
76 #ifdef ASSERT
77 #define shenandoah_assert_in_heap_bounds(interior_loc, obj) \
78 ShenandoahAsserts::assert_in_heap_bounds(interior_loc, obj, __FILE__, __LINE__)
79 #define shenandoah_assert_in_heap_bounds_or_null(interior_loc, obj) \
80 ShenandoahAsserts::assert_in_heap_bounds_or_null(interior_loc, obj, __FILE__, __LINE__)
81 #define shenandoah_assert_in_correct_region(interior_loc, obj) \
82 ShenandoahAsserts::assert_in_correct_region(interior_loc, obj, __FILE__, __LINE__)
83
84 #define shenandoah_assert_correct_if(interior_loc, obj, condition) \
85 if (condition) ShenandoahAsserts::assert_correct(interior_loc, obj, __FILE__, __LINE__)
86 #define shenandoah_assert_correct_except(interior_loc, obj, exception) \
87 if (!(exception)) ShenandoahAsserts::assert_correct(interior_loc, obj, __FILE__, __LINE__)
88 #define shenandoah_assert_correct(interior_loc, obj) \
89 ShenandoahAsserts::assert_correct(interior_loc, obj, __FILE__, __LINE__)
90
91 #define shenandoah_assert_forwarded_if(interior_loc, obj, condition) \
92 if (condition) ShenandoahAsserts::assert_forwarded(interior_loc, obj, __FILE__, __LINE__)
93 #define shenandoah_assert_forwarded_except(interior_loc, obj, exception) \
94 if (!(exception)) ShenandoahAsserts::assert_forwarded(interior_loc, obj, __FILE__, __LINE__)
95 #define shenandoah_assert_forwarded(interior_loc, obj) \
96 ShenandoahAsserts::assert_forwarded(interior_loc, obj, __FILE__, __LINE__)
97
98 #define shenandoah_assert_not_forwarded_if(interior_loc, obj, condition) \
99 if (condition) ShenandoahAsserts::assert_not_forwarded(interior_loc, obj, __FILE__, __LINE__)
100 #define shenandoah_assert_not_forwarded_except(interior_loc, obj, exception) \
101 if (!(exception)) ShenandoahAsserts::assert_not_forwarded(interior_loc, obj, __FILE__, __LINE__)
102 #define shenandoah_assert_not_forwarded(interior_loc, obj) \
103 ShenandoahAsserts::assert_not_forwarded(interior_loc, obj, __FILE__, __LINE__)
104
105 #define shenandoah_assert_marked_if(interior_loc, obj, condition) \
106 if (condition) ShenandoahAsserts::assert_marked(interior_loc, obj, __FILE__, __LINE__)
107 #define shenandoah_assert_marked_except(interior_loc, obj, exception) \
108 if (!(exception)) ShenandoahAsserts::assert_marked(interior_loc, obj, __FILE__, __LINE__)
109 #define shenandoah_assert_marked(interior_loc, obj) \
110 ShenandoahAsserts::assert_marked(interior_loc, obj, __FILE__, __LINE__)
111
112 #define shenandoah_assert_marked_weak_if(interior_loc, obj, condition) \
113 if (condition) ShenandoahAsserts::assert_marked_weak(interior_loc, obj, __FILE__, __LINE__)
114 #define shenandoah_assert_marked_weak_except(interior_loc, obj, exception) \
115 if (!(exception)) ShenandoahAsserts::assert_marked_weak(interior_loc, obj, __FILE__, __LINE__)
116 #define shenandoah_assert_marked_weak(interior_loc, obj) \
117 ShenandoahAsserts::assert_marked_weak(interior_loc, obj, __FILE__, __LINE__)
118
119 #define shenandoah_assert_marked_strong_if(interior_loc, obj, condition) \
120 if (condition) ShenandoahAsserts::assert_marked_strong(interior_loc, obj, __FILE__, __LINE__)
121 #define shenandoah_assert_marked_strong_except(interior_loc, obj, exception) \
122 if (!(exception)) ShenandoahAsserts::assert_marked_strong(interior_loc, obj, __FILE__, __LINE__)
123 #define shenandoah_assert_marked_strong(interior_loc, obj) \
124 ShenandoahAsserts::assert_marked_strong(interior_loc, obj, __FILE__, __LINE__)
125
126 #define shenandoah_assert_in_cset_if(interior_loc, obj, condition) \
127 if (condition) ShenandoahAsserts::assert_in_cset(interior_loc, obj, __FILE__, __LINE__)
128 #define shenandoah_assert_in_cset_except(interior_loc, obj, exception) \
129 if (!(exception)) ShenandoahAsserts::assert_in_cset(interior_loc, obj, __FILE__, __LINE__)
130 #define shenandoah_assert_in_cset(interior_loc, obj) \
131 ShenandoahAsserts::assert_in_cset(interior_loc, obj, __FILE__, __LINE__)
132
133 #define shenandoah_assert_not_in_cset_if(interior_loc, obj, condition) \
134 if (condition) ShenandoahAsserts::assert_not_in_cset(interior_loc, obj, __FILE__, __LINE__)
135 #define shenandoah_assert_not_in_cset_except(interior_loc, obj, exception) \
136 if (!(exception)) ShenandoahAsserts::assert_not_in_cset(interior_loc, obj, __FILE__, __LINE__)
137 #define shenandoah_assert_not_in_cset(interior_loc, obj) \
138 ShenandoahAsserts::assert_not_in_cset(interior_loc, obj, __FILE__, __LINE__)
139
140 #define shenandoah_assert_not_in_cset_loc_if(interior_loc, condition) \
141 if (condition) ShenandoahAsserts::assert_not_in_cset_loc(interior_loc, __FILE__, __LINE__)
142 #define shenandoah_assert_not_in_cset_loc_except(interior_loc, exception) \
143 if (!(exception)) ShenandoahAsserts::assert_not_in_cset_loc(interior_loc, __FILE__, __LINE__)
144 #define shenandoah_assert_not_in_cset_loc(interior_loc) \
145 ShenandoahAsserts::assert_not_in_cset_loc(interior_loc, __FILE__, __LINE__)
146
147 #define shenandoah_assert_rp_isalive_installed() \
148 ShenandoahAsserts::assert_rp_isalive_installed(__FILE__, __LINE__)
149 #define shenandoah_assert_rp_isalive_not_installed() \
150 ShenandoahAsserts::assert_rp_isalive_not_installed(__FILE__, __LINE__)
151
152 #define shenandoah_assert_safepoint() \
153 assert(ShenandoahSafepoint::is_at_shenandoah_safepoint(), "Should be at Shenandoah Safepoints")
154
155 #define shenandoah_assert_locked_or_safepoint(lock) \
156 ShenandoahAsserts::assert_locked_or_shenandoah_safepoint(lock, __FILE__, __LINE__)
157
158 #define shenandoah_assert_heaplocked() \
159 ShenandoahAsserts::assert_heaplocked(__FILE__, __LINE__)
160
161 #define shenandoah_assert_not_heaplocked() \
162 ShenandoahAsserts::assert_not_heaplocked(__FILE__, __LINE__)
163
164 #define shenandoah_assert_heaplocked_or_safepoint() \
165 ShenandoahAsserts::assert_heaplocked_or_safepoint(__FILE__, __LINE__)
166 #else
167 #define shenandoah_assert_in_heap_bounds(interior_loc, obj)
168 #define shenandoah_assert_in_heap_bounds_or_null(interior_loc, obj)
169 #define shenandoah_assert_in_correct_region(interior_loc, obj)
170
171 #define shenandoah_assert_correct_if(interior_loc, obj, condition)
172 #define shenandoah_assert_correct_except(interior_loc, obj, exception)
173 #define shenandoah_assert_correct(interior_loc, obj)
174
175 #define shenandoah_assert_forwarded_if(interior_loc, obj, condition)
176 #define shenandoah_assert_forwarded_except(interior_loc, obj, exception)
177 #define shenandoah_assert_forwarded(interior_loc, obj)
178
179 #define shenandoah_assert_not_forwarded_if(interior_loc, obj, condition)
180 #define shenandoah_assert_not_forwarded_except(interior_loc, obj, exception)
181 #define shenandoah_assert_not_forwarded(interior_loc, obj)
182
183 #define shenandoah_assert_marked_if(interior_loc, obj, condition)
184 #define shenandoah_assert_marked_except(interior_loc, obj, exception)
185 #define shenandoah_assert_marked(interior_loc, obj)
186
187 #define shenandoah_assert_marked_weak_if(interior_loc, obj, condition)
188 #define shenandoah_assert_marked_weak_except(interior_loc, obj, exception)
189 #define shenandoah_assert_marked_weak(interior_loc, obj)
190
191 #define shenandoah_assert_marked_strong_if(interior_loc, obj, condition)
192 #define shenandoah_assert_marked_strong_except(interior_loc, obj, exception)
193 #define shenandoah_assert_marked_strong(interior_loc, obj)
194
195 #define shenandoah_assert_in_cset_if(interior_loc, obj, condition)
196 #define shenandoah_assert_in_cset_except(interior_loc, obj, exception)
197 #define shenandoah_assert_in_cset(interior_loc, obj)
198
199 #define shenandoah_assert_not_in_cset_if(interior_loc, obj, condition)
200 #define shenandoah_assert_not_in_cset_except(interior_loc, obj, exception)
201 #define shenandoah_assert_not_in_cset(interior_loc, obj)
202
203 #define shenandoah_assert_not_in_cset_loc_if(interior_loc, condition)
204 #define shenandoah_assert_not_in_cset_loc_except(interior_loc, exception)
205 #define shenandoah_assert_not_in_cset_loc(interior_loc)
206
207 #define shenandoah_assert_rp_isalive_installed()
208 #define shenandoah_assert_rp_isalive_not_installed()
209
210 #define shenandoah_assert_safepoint()
211 #define shenandoah_assert_locked_or_safepoint(lock)
212
213 #define shenandoah_assert_heaplocked()
214 #define shenandoah_assert_not_heaplocked()
215 #define shenandoah_assert_heaplocked_or_safepoint()
216
217 #endif
218
219 #define shenandoah_not_implemented \
220 { fatal("Deliberately not implemented."); }
221 #define shenandoah_not_implemented_return(v) \
222 { fatal("Deliberately not implemented."); return v; }
223
224 };
225
226 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHASSERTS_HPP