Mercurial > hg > CbC > CbC_gcc
comparison gcc/builtin-attrs.def @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | f6334be47118 |
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1 /* Copyright (C) 2001, 2002, 2004, 2005, 2007 Free Software Foundation, Inc. | |
2 Contributed by Joseph Myers <jsm28@cam.ac.uk>. | |
3 | |
4 This file is part of GCC. | |
5 | |
6 GCC is free software; you can redistribute it and/or modify it under | |
7 the terms of the GNU General Public License as published by the Free | |
8 Software Foundation; either version 3, or (at your option) any later | |
9 version. | |
10 | |
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 for more details. | |
15 | |
16 You should have received a copy of the GNU General Public License | |
17 along with GCC; see the file COPYING3. If not see | |
18 <http://www.gnu.org/licenses/>. */ | |
19 | |
20 /* This header provides a declarative way of describing the attributes | |
21 that are applied to some functions by default. | |
22 | |
23 Before including this header, you must define the following macros. | |
24 In each case where there is an ENUM, it is an identifier used to | |
25 reference the tree in subsequent definitions. | |
26 | |
27 DEF_ATTR_NULL_TREE (ENUM) | |
28 | |
29 Constructs a NULL_TREE. | |
30 | |
31 DEF_ATTR_INT (ENUM, VALUE) | |
32 | |
33 Constructs an INTEGER_CST with value VALUE (an integer representable | |
34 in HOST_WIDE_INT). | |
35 | |
36 DEF_ATTR_IDENT (ENUM, STRING) | |
37 | |
38 Constructs an IDENTIFIER_NODE for STRING. | |
39 | |
40 DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN) | |
41 | |
42 Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given | |
43 as previous ENUM names). */ | |
44 | |
45 DEF_ATTR_NULL_TREE (ATTR_NULL) | |
46 | |
47 /* Construct a tree for a given integer and a list containing it. */ | |
48 #define DEF_ATTR_FOR_INT(VALUE) \ | |
49 DEF_ATTR_INT (ATTR_##VALUE, VALUE) \ | |
50 DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE, ATTR_NULL, \ | |
51 ATTR_##VALUE, ATTR_NULL) | |
52 DEF_ATTR_FOR_INT (0) | |
53 DEF_ATTR_FOR_INT (1) | |
54 DEF_ATTR_FOR_INT (2) | |
55 DEF_ATTR_FOR_INT (3) | |
56 DEF_ATTR_FOR_INT (4) | |
57 DEF_ATTR_FOR_INT (5) | |
58 DEF_ATTR_FOR_INT (6) | |
59 #undef DEF_ATTR_FOR_INT | |
60 | |
61 /* Construct a tree for a list of two integers. */ | |
62 #define DEF_LIST_INT_INT(VALUE1, VALUE2) \ | |
63 DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE1##_##VALUE2, ATTR_NULL, \ | |
64 ATTR_##VALUE1, ATTR_LIST_##VALUE2) | |
65 DEF_LIST_INT_INT (1,0) | |
66 DEF_LIST_INT_INT (1,2) | |
67 DEF_LIST_INT_INT (2,0) | |
68 DEF_LIST_INT_INT (2,3) | |
69 DEF_LIST_INT_INT (3,0) | |
70 DEF_LIST_INT_INT (3,4) | |
71 DEF_LIST_INT_INT (4,0) | |
72 DEF_LIST_INT_INT (4,5) | |
73 DEF_LIST_INT_INT (5,0) | |
74 DEF_LIST_INT_INT (5,6) | |
75 #undef DEF_LIST_INT_INT | |
76 | |
77 /* Construct trees for identifiers. */ | |
78 DEF_ATTR_IDENT (ATTR_CONST, "const") | |
79 DEF_ATTR_IDENT (ATTR_FORMAT, "format") | |
80 DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg") | |
81 DEF_ATTR_IDENT (ATTR_MALLOC, "malloc") | |
82 DEF_ATTR_IDENT (ATTR_NONNULL, "nonnull") | |
83 DEF_ATTR_IDENT (ATTR_NORETURN, "noreturn") | |
84 DEF_ATTR_IDENT (ATTR_NOTHROW, "nothrow") | |
85 DEF_ATTR_IDENT (ATTR_PRINTF, "printf") | |
86 DEF_ATTR_IDENT (ATTR_ASM_FPRINTF, "asm_fprintf") | |
87 DEF_ATTR_IDENT (ATTR_GCC_DIAG, "gcc_diag") | |
88 DEF_ATTR_IDENT (ATTR_GCC_CDIAG, "gcc_cdiag") | |
89 DEF_ATTR_IDENT (ATTR_GCC_CXXDIAG, "gcc_cxxdiag") | |
90 DEF_ATTR_IDENT (ATTR_PURE, "pure") | |
91 DEF_ATTR_IDENT (ATTR_NOVOPS, "no vops") | |
92 DEF_ATTR_IDENT (ATTR_SCANF, "scanf") | |
93 DEF_ATTR_IDENT (ATTR_SENTINEL, "sentinel") | |
94 DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon") | |
95 DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime") | |
96 DEF_ATTR_IDENT (ATTR_TYPEGENERIC, "type generic") | |
97 | |
98 DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL) | |
99 | |
100 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL) | |
101 | |
102 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST, \ | |
103 ATTR_NULL, ATTR_NOTHROW_LIST) | |
104 DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE, \ | |
105 ATTR_NULL, ATTR_NOTHROW_LIST) | |
106 DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NOVOPS_LIST, ATTR_NOVOPS, \ | |
107 ATTR_NULL, ATTR_PURE_NOTHROW_LIST) | |
108 DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN, \ | |
109 ATTR_NULL, ATTR_NOTHROW_LIST) | |
110 DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC, \ | |
111 ATTR_NULL, ATTR_NOTHROW_LIST) | |
112 DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LIST, ATTR_SENTINEL, \ | |
113 ATTR_NULL, ATTR_NOTHROW_LIST) | |
114 | |
115 /* Functions whose pointer parameter(s) are all nonnull. */ | |
116 DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL) | |
117 /* Functions whose first parameter is a nonnull pointer. */ | |
118 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL) | |
119 /* Functions whose second parameter is a nonnull pointer. */ | |
120 DEF_ATTR_TREE_LIST (ATTR_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, ATTR_NULL) | |
121 /* Functions whose third parameter is a nonnull pointer. */ | |
122 DEF_ATTR_TREE_LIST (ATTR_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, ATTR_NULL) | |
123 /* Nothrow functions with the sentinel(1) attribute. */ | |
124 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_SENTINEL_1, ATTR_SENTINEL, ATTR_LIST_1, \ | |
125 ATTR_NOTHROW_LIST) | |
126 /* Nothrow functions whose pointer parameter(s) are all nonnull. */ | |
127 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL, ATTR_NONNULL, ATTR_NULL, \ | |
128 ATTR_NOTHROW_LIST) | |
129 /* Nothrow functions whose first parameter is a nonnull pointer. */ | |
130 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \ | |
131 ATTR_NOTHROW_LIST) | |
132 /* Nothrow functions whose second parameter is a nonnull pointer. */ | |
133 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, \ | |
134 ATTR_NOTHROW_LIST) | |
135 /* Nothrow functions whose third parameter is a nonnull pointer. */ | |
136 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, \ | |
137 ATTR_NOTHROW_LIST) | |
138 /* Nothrow functions whose fourth parameter is a nonnull pointer. */ | |
139 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_4, ATTR_NONNULL, ATTR_LIST_4, \ | |
140 ATTR_NOTHROW_LIST) | |
141 /* Nothrow functions whose fifth parameter is a nonnull pointer. */ | |
142 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_5, ATTR_NONNULL, ATTR_LIST_5, \ | |
143 ATTR_NOTHROW_LIST) | |
144 /* Nothrow const functions whose pointer parameter(s) are all nonnull. */ | |
145 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL, ATTR_CONST, ATTR_NULL, \ | |
146 ATTR_NOTHROW_NONNULL) | |
147 /* Nothrow const functions which are type-generic. */ | |
148 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC, ATTR_TYPEGENERIC, ATTR_NULL, \ | |
149 ATTR_CONST_NOTHROW_LIST) | |
150 /* Nothrow pure functions whose pointer parameter(s) are all nonnull. */ | |
151 DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL, ATTR_PURE, ATTR_NULL, \ | |
152 ATTR_NOTHROW_NONNULL) | |
153 /* Nothrow malloc functions whose pointer parameter(s) are all nonnull. */ | |
154 DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL, ATTR_MALLOC, ATTR_NULL, \ | |
155 ATTR_NOTHROW_NONNULL) | |
156 | |
157 /* Construct a tree for a format attribute. */ | |
158 #define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES) \ | |
159 DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ | |
160 ATTR_##TYPE, ATTR_LIST_##VALUES) \ | |
161 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \ | |
162 ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA) | |
163 #define DEF_FORMAT_ATTRIBUTE_NOTHROW(TYPE, FA, VALUES) \ | |
164 DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ | |
165 ATTR_##TYPE, ATTR_LIST_##VALUES) \ | |
166 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\ | |
167 ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA) | |
168 #define DEF_FORMAT_ATTRIBUTE_BOTH(TYPE, FA, VALUES) \ | |
169 DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ | |
170 ATTR_##TYPE, ATTR_LIST_##VALUES) \ | |
171 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \ | |
172 ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA) \ | |
173 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\ | |
174 ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA) | |
175 DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0) | |
176 DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2) | |
177 DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_0) | |
178 DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_3) | |
179 DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_0) | |
180 DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_4) | |
181 DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_0) | |
182 DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_5) | |
183 DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_0) | |
184 DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_6) | |
185 DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0) | |
186 DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2) | |
187 DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_0) | |
188 DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_3) | |
189 DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFTIME,3,3_0) | |
190 DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFMON,3,3_4) | |
191 #undef DEF_FORMAT_ATTRIBUTE | |
192 #undef DEF_FORMAT_ATTRIBUTE_NOTHROW | |
193 #undef DEF_FORMAT_ATTRIBUTE_BOTH | |
194 | |
195 /* Construct a tree for a format_arg attribute. */ | |
196 #define DEF_FORMAT_ARG_ATTRIBUTE(FA) \ | |
197 DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_##FA, ATTR_FORMAT_ARG, \ | |
198 ATTR_LIST_##FA, ATTR_NOTHROW_NONNULL_##FA) | |
199 DEF_FORMAT_ARG_ATTRIBUTE(1) | |
200 DEF_FORMAT_ARG_ATTRIBUTE(2) | |
201 #undef DEF_FORMAT_ARG_ATTRIBUTE | |
202 |