1/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
2   Contributed by Joseph Myers <jsm28@cam.ac.uk>.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along 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 built-in functions by default.  Attributes
22   that are meant to be used by user-defined functions but aren't used
23   by any built-ins, or attributes that apply to types or variables
24   but not to functions need not and should not be defined here.
25
26   Before including this header, you must define the following macros.
27   In each case where there is an ENUM, it is an identifier used to
28   reference the tree in subsequent definitions.
29
30   DEF_ATTR_NULL_TREE (ENUM)
31
32     Constructs a NULL_TREE.
33
34   DEF_ATTR_INT (ENUM, VALUE)
35
36     Constructs an INTEGER_CST with value VALUE (an integer representable
37     in HOST_WIDE_INT).
38
39   DEF_ATTR_IDENT (ENUM, STRING)
40
41     Constructs an IDENTIFIER_NODE for STRING.
42
43   DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN)
44
45     Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given
46     as previous ENUM names).  */
47
48DEF_ATTR_NULL_TREE (ATTR_NULL)
49
50/* Construct a tree for a given integer and a list containing it.  */
51#define DEF_ATTR_FOR_INT(VALUE)					\
52  DEF_ATTR_INT (ATTR_##VALUE, VALUE)			\
53  DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE, ATTR_NULL,	\
54		      ATTR_##VALUE, ATTR_NULL)
55DEF_ATTR_FOR_INT (0)
56DEF_ATTR_FOR_INT (1)
57DEF_ATTR_FOR_INT (2)
58DEF_ATTR_FOR_INT (3)
59DEF_ATTR_FOR_INT (4)
60DEF_ATTR_FOR_INT (5)
61DEF_ATTR_FOR_INT (6)
62#undef DEF_ATTR_FOR_INT
63
64/* Construct a tree for a given string and a list containing it.  */
65#define DEF_ATTR_FOR_STRING(ENUM, VALUE)					\
66  DEF_ATTR_STRING (ATTR_##ENUM, VALUE)			\
67  DEF_ATTR_TREE_LIST (ATTR_LIST_##ENUM, ATTR_NULL,	\
68		      ATTR_##ENUM, ATTR_NULL)
69DEF_ATTR_FOR_STRING (STR1, "1")
70#undef DEF_ATTR_FOR_STRING
71
72/* Construct a tree for a list of two integers.  */
73#define DEF_LIST_INT_INT(VALUE1, VALUE2)				 \
74  DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE1##_##VALUE2, ATTR_NULL,		 \
75		      ATTR_##VALUE1, ATTR_LIST_##VALUE2)
76DEF_LIST_INT_INT (1,0)
77DEF_LIST_INT_INT (1,2)
78DEF_LIST_INT_INT (1,3)
79DEF_LIST_INT_INT (1,4)
80DEF_LIST_INT_INT (1,5)
81DEF_LIST_INT_INT (2,0)
82DEF_LIST_INT_INT (2,3)
83DEF_LIST_INT_INT (3,0)
84DEF_LIST_INT_INT (3,4)
85DEF_LIST_INT_INT (4,0)
86DEF_LIST_INT_INT (4,5)
87DEF_LIST_INT_INT (5,0)
88DEF_LIST_INT_INT (5,6)
89#undef DEF_LIST_INT_INT
90
91/* Construct trees for identifiers used in built-in function attributes.
92   The construction contributes to startup costs so only attributes that
93   are used to define built-ins should be defined here.  */
94DEF_ATTR_IDENT (ATTR_ALLOC_SIZE, "alloc_size")
95DEF_ATTR_IDENT (ATTR_COLD, "cold")
96DEF_ATTR_IDENT (ATTR_CONST, "const")
97DEF_ATTR_IDENT (ATTR_FORMAT, "format")
98DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg")
99DEF_ATTR_IDENT (ATTR_MALLOC, "malloc")
100DEF_ATTR_IDENT (ATTR_NONNULL, "nonnull")
101DEF_ATTR_IDENT (ATTR_NORETURN, "noreturn")
102DEF_ATTR_IDENT (ATTR_NOTHROW, "nothrow")
103DEF_ATTR_IDENT (ATTR_LEAF, "leaf")
104DEF_ATTR_IDENT (ATTR_FNSPEC, "fn spec")
105DEF_ATTR_IDENT (ATTR_PRINTF, "printf")
106DEF_ATTR_IDENT (ATTR_ASM_FPRINTF, "asm_fprintf")
107DEF_ATTR_IDENT (ATTR_GCC_DIAG, "gcc_diag")
108DEF_ATTR_IDENT (ATTR_GCC_CDIAG, "gcc_cdiag")
109DEF_ATTR_IDENT (ATTR_GCC_CXXDIAG, "gcc_cxxdiag")
110DEF_ATTR_IDENT (ATTR_PURE, "pure")
111DEF_ATTR_IDENT (ATTR_NOVOPS, "no vops")
112DEF_ATTR_IDENT (ATTR_SCANF, "scanf")
113DEF_ATTR_IDENT (ATTR_SENTINEL, "sentinel")
114DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon")
115DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime")
116DEF_ATTR_IDENT (ATTR_TYPEGENERIC, "type generic")
117DEF_ATTR_IDENT (ATTR_TM_REGPARM, "*tm regparm")
118DEF_ATTR_IDENT (ATTR_TM_TMPURE, "transaction_pure")
119DEF_ATTR_IDENT (ATTR_RETURNS_TWICE, "returns_twice")
120DEF_ATTR_IDENT (ATTR_RETURNS_NONNULL, "returns_nonnull")
121
122DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL)
123
124DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOVOPS_LIST)
125
126DEF_ATTR_TREE_LIST (ATTR_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NULL)
127
128DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL)
129
130DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_LIST)
131
132DEF_ATTR_TREE_LIST (ATTR_NOVOPS_NOTHROW_LEAF_LIST, ATTR_NOVOPS, \
133		        ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
134DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST,	\
135			ATTR_NULL, ATTR_NOTHROW_LIST)
136DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_CONST,	\
137			ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
138DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE,		\
139			ATTR_NULL, ATTR_NOTHROW_LIST)
140DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LEAF_LIST, ATTR_PURE,	\
141			ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
142DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN,	\
143			ATTR_NULL, ATTR_NOTHROW_LIST)
144DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_LIST, ATTR_NORETURN,\
145			ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
146DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST, ATTR_COLD,\
147			ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
148DEF_ATTR_TREE_LIST (ATTR_RT_NOTHROW_LEAF_LIST, ATTR_RETURNS_TWICE,\
149			ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
150DEF_ATTR_TREE_LIST (ATTR_COLD_NOTHROW_LEAF_LIST, ATTR_COLD,\
151			ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
152DEF_ATTR_TREE_LIST (ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST, ATTR_COLD,\
153			ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
154DEF_ATTR_TREE_LIST (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\
155			ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
156DEF_ATTR_TREE_LIST (ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST, ATTR_COLD,\
157			ATTR_NULL, ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST)
158DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC,	\
159			ATTR_NULL, ATTR_NOTHROW_LIST)
160DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_MALLOC,	\
161			ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
162DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LIST, ATTR_SENTINEL,	\
163			ATTR_NULL, ATTR_NOTHROW_LIST)
164DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LEAF_LIST, ATTR_SENTINEL,	\
165			ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
166DEF_ATTR_TREE_LIST (ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\
167			ATTR_NULL, ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST)
168
169/* Allocation functions like malloc and realloc whose first argument
170   with _SIZE_1, or second argument with _SIZE_2, specifies the size
171   of the allocated object.  */
172DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_NOTHROW_LIST, ATTR_ALLOC_SIZE,	\
173			ATTR_LIST_1, ATTR_MALLOC_NOTHROW_LIST)
174DEF_ATTR_TREE_LIST (ATTR_ALLOC_SIZE_2_NOTHROW_LIST, ATTR_ALLOC_SIZE,	\
175			ATTR_LIST_2, ATTR_MALLOC_NOTHROW_LIST)
176DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \
177		        ATTR_LIST_1, ATTR_MALLOC_NOTHROW_LEAF_LIST)
178/* Alloca is just like malloc except that it never returns null.  */
179DEF_ATTR_TREE_LIST (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST, ATTR_RETURNS_NONNULL,
180		    ATTR_NULL, ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST)
181
182/* Allocation functions like calloc the product of whose first two arguments
183   specifies the size of the allocated object.  */
184DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \
185		        ATTR_LIST_1_2, ATTR_MALLOC_NOTHROW_LEAF_LIST)
186
187/* Allocation functions like realloc whose second argument specifies
188   the size of the allocated object.  */
189DEF_ATTR_TREE_LIST (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \
190		        ATTR_LIST_2, ATTR_NOTHROW_LEAF_LIST)
191
192/* Functions whose pointer parameter(s) are all nonnull.  */
193DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL)
194/* Functions whose first parameter is a nonnull pointer.  */
195DEF_ATTR_TREE_LIST (ATTR_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL)
196/* Functions whose second parameter is a nonnull pointer.  */
197DEF_ATTR_TREE_LIST (ATTR_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, ATTR_NULL)
198/* Functions whose third parameter is a nonnull pointer.  */
199DEF_ATTR_TREE_LIST (ATTR_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, ATTR_NULL)
200/* Nothrow functions with the sentinel(1) attribute. */
201DEF_ATTR_TREE_LIST (ATTR_NOTHROW_SENTINEL_1, ATTR_SENTINEL, ATTR_LIST_1, \
202			ATTR_NOTHROW_LIST)
203/* Nothrow functions whose pointer parameter(s) are all nonnull.  */
204DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL, ATTR_NONNULL, ATTR_NULL, \
205			ATTR_NOTHROW_LIST)
206/* Nothrow leaf functions whose pointer parameter(s) are all nonnull.  */
207DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF, ATTR_NONNULL, ATTR_NULL, \
208			ATTR_NOTHROW_LEAF_LIST)
209DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_NONNULL_LEAF)
210/* Nothrow functions whose first parameter is a nonnull pointer.  */
211DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \
212			ATTR_NOTHROW_LIST)
213/* Nothrow functions whose second parameter is a nonnull pointer.  */
214DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, \
215			ATTR_NOTHROW_LIST)
216/* Nothrow functions whose third parameter is a nonnull pointer.  */
217DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, \
218			ATTR_NOTHROW_LIST)
219/* Nothrow functions whose fourth parameter is a nonnull pointer.  */
220DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_4, ATTR_NONNULL, ATTR_LIST_4, \
221			ATTR_NOTHROW_LIST)
222/* Nothrow functions whose fifth parameter is a nonnull pointer.  */
223DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_5, ATTR_NONNULL, ATTR_LIST_5, \
224			ATTR_NOTHROW_LIST)
225
226/* Same as ATTR_NONNULL_1.  */
227DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL)
228/* Functions like {v,}fprintf whose first and second parameters are
229   nonnull pointers.  As cancellation points the functions are not
230   nothrow.  */
231DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_2, ATTR_NONNULL, ATTR_LIST_1_2, ATTR_NULL)
232/* The following don't have {v,}fprintf forms.  They exist only to
233   make it possible to declare {v,}{f,s}printf attributes using
234   the same macro.  */
235DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_3, ATTR_NONNULL, ATTR_LIST_1_3, ATTR_NULL)
236DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_4, ATTR_NONNULL, ATTR_LIST_1_4, ATTR_NULL)
237DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_5, ATTR_NONNULL, ATTR_LIST_1_5, ATTR_NULL)
238
239/* Same as ATTR_NOTHROW_NONNULL_1.  */
240DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_1, ATTR_NONNULL, ATTR_LIST_1,
241		    ATTR_NOTHROW_LIST)
242/* Nothrow functions like {v,}sprintf whose first and second parameters
243   are nonnull pointers.  */
244DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_2, ATTR_NONNULL, ATTR_LIST_1_2, \
245		    ATTR_NOTHROW_LIST)
246/* Nothrow functions like {v,}snprintf whose first and third parameters
247   are nonnull pointers.  */
248DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_3, ATTR_NONNULL, ATTR_LIST_1_3, \
249		    ATTR_NOTHROW_LIST)
250/* Nothrow functions like {v,}sprintf_chk whose first and fourth parameters
251   are nonnull pointers.  */
252DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_4, ATTR_NONNULL, ATTR_LIST_1_4, \
253		    ATTR_NOTHROW_LIST)
254/* Nothrow functions like {v,}snprintf_chk whose first and fifth parameters
255   are nonnull pointers.  */
256DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_5, ATTR_NONNULL, ATTR_LIST_1_5, \
257		    ATTR_NOTHROW_LIST)
258
259/* Nothrow leaf functions which are type-generic.  */
260DEF_ATTR_TREE_LIST (ATTR_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \
261			ATTR_NOTHROW_LEAF_LIST)
262/* Nothrow nonnull leaf functions that are type-generic.  */
263DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF,
264		    ATTR_TYPEGENERIC, ATTR_NULL,
265		    ATTR_NOTHROW_NONNULL_LEAF)
266/* Nothrow const functions whose pointer parameter(s) are all nonnull.  */
267DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL, ATTR_CONST, ATTR_NULL, \
268			ATTR_NOTHROW_NONNULL)
269/* Nothrow leaf functions whose pointer parameter(s) are all nonnull,
270   and which return their first argument.  */
271DEF_ATTR_TREE_LIST (ATTR_RET1_NOTHROW_NONNULL_LEAF, ATTR_FNSPEC, ATTR_LIST_STR1, \
272			ATTR_NOTHROW_NONNULL_LEAF)
273/* Nothrow leaf functions whose pointer parameter(s) are all nonnull,
274   and return value is also nonnull.  */
275DEF_ATTR_TREE_LIST (ATTR_RETNONNULL_NOTHROW_LEAF, ATTR_RETURNS_NONNULL, ATTR_NULL, \
276			ATTR_NOTHROW_NONNULL_LEAF)
277/* Nothrow const leaf functions whose pointer parameter(s) are all nonnull.  */
278DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL_LEAF, ATTR_CONST, ATTR_NULL, \
279			ATTR_NOTHROW_NONNULL_LEAF)
280/* Nothrow const functions which are type-generic.  */
281DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC, ATTR_TYPEGENERIC, ATTR_NULL, \
282			ATTR_CONST_NOTHROW_LIST)
283/* Nothrow const leaf functions which are type-generic.  */
284DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \
285			ATTR_CONST_NOTHROW_LEAF_LIST)
286/* Nothrow pure functions whose pointer parameter(s) are all nonnull.  */
287DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL, ATTR_PURE, ATTR_NULL, \
288			ATTR_NOTHROW_NONNULL)
289/* Nothrow pure leaf functions whose pointer parameter(s) are all nonnull.  */
290DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL_LEAF, ATTR_PURE, ATTR_NULL, \
291			ATTR_NOTHROW_NONNULL_LEAF)
292/* Nothrow malloc functions whose pointer parameter(s) are all nonnull.  */
293DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL, ATTR_MALLOC, ATTR_NULL, \
294			ATTR_NOTHROW_NONNULL)
295/* Nothrow malloc leaf functions whose pointer parameter(s) are all nonnull.  */
296DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL_LEAF, ATTR_MALLOC, ATTR_NULL, \
297			ATTR_NOTHROW_NONNULL_LEAF)
298
299/* Construct a tree for the format attribute (and implicitly nonnull).  */
300#define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES)				 \
301  DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,		 \
302		      ATTR_##TYPE, ATTR_LIST_##VALUES)			 \
303  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT,	 \
304		      ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)
305
306/* Construct a tree for the format and nothrow attributes (format
307   implies nonnull).  */
308#define DEF_FORMAT_ATTRIBUTE_NOTHROW(TYPE, FA, VALUES)			 \
309  DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,		 \
310		      ATTR_##TYPE, ATTR_LIST_##VALUES)			 \
311  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
312		      ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
313
314/* Construct one tree for the format attribute and another for the format
315   and nothrow attributes (in both cases format implies nonnull).  */
316#define DEF_FORMAT_ATTRIBUTE_BOTH(TYPE, FA, VALUES)			 \
317  DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,		 \
318		      ATTR_##TYPE, ATTR_LIST_##VALUES)			 \
319  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT,	 \
320		      ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)	 \
321  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
322		      ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
323
324/* Construct a pair of trees for the nonnull attribute for the first
325   argument, plus format printf attribute (format implies nonnull):
326   the first ordinary and the second nothrow.  */
327#define DEF_FORMAT_ATTRIBUTE_NONNULL(TYPE, FA, VALUES)			 \
328  DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_FORMAT_##TYPE##_##VALUES,   	 \
329  		      ATTR_FORMAT, ATTR_##TYPE##_##VALUES, 	 	 \
330		      ATTR_NONNULL_1_##FA)				 \
331  DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_FORMAT_##TYPE##_##VALUES,   \
332  		      ATTR_FORMAT, ATTR_##TYPE##_##VALUES, 	 	 \
333		      ATTR_NOTHROW_NONNULL_1_##FA)
334
335DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0)
336DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2)
337DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_0)
338DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_3)
339DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_0)
340DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_4)
341DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_0)
342DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_5)
343DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_0)
344DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_6)
345
346/* Attributes for fprintf(f, f, va).  */
347DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,1,1_2)
348/* Attributes for v{f,s}printf(d, f, va).  vsprintf is nothrow, vfprintf
349   is not.  */
350DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,2,2_0)
351/* Attributes for {f,s}printf(d, f, ...).  sprintf is nothrow, fprintf
352   is not.  */
353DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,2,2_3)
354/* Attributes for vprintf_chk.  */
355DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,3,3_0)
356/* Attributes for printf_chk.  */
357DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,3,3_4)
358/* Attributes for v{f,s}printf_chk(d, t, bos, f, va).  vsprintf_chk is
359   nothrow, vfprintf_chk is not.  */
360DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,4,4_0)
361/* Attributes for {f,s}printf_chk(d, t, bos, f, ...).  sprintf_chk is
362   nothrow, fprintf_chk is not.  */
363DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,4,4_5)
364
365DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0)
366DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2)
367DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_0)
368DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_3)
369DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFTIME,3,3_0)
370DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFMON,3,3_4)
371#undef DEF_FORMAT_ATTRIBUTE
372#undef DEF_FORMAT_ATTRIBUTE_NOTHROW
373#undef DEF_FORMAT_ATTRIBUTE_BOTH
374
375/* Transactional memory variants of the above.  */
376
377DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_LIST,
378		    ATTR_TM_REGPARM, ATTR_NULL, ATTR_NOTHROW_LIST)
379DEF_ATTR_TREE_LIST (ATTR_TM_TMPURE_NOTHROW_LIST,
380		    ATTR_TM_TMPURE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
381DEF_ATTR_TREE_LIST (ATTR_TM_PURE_TMPURE_NOTHROW_LIST,
382		    ATTR_PURE, ATTR_NULL, ATTR_TM_TMPURE_NOTHROW_LIST)
383DEF_ATTR_TREE_LIST (ATTR_TM_NORETURN_NOTHROW_LIST,
384		    ATTR_TM_REGPARM, ATTR_NULL, ATTR_NORETURN_NOTHROW_LIST)
385DEF_ATTR_TREE_LIST (ATTR_TM_CONST_NOTHROW_LIST,
386		    ATTR_TM_REGPARM, ATTR_NULL, ATTR_CONST_NOTHROW_LIST)
387DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_RT_LIST,
388		    ATTR_RETURNS_TWICE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
389
390/* Same attributes used for BUILT_IN_MALLOC except with TM_PURE thrown in.  */
391DEF_ATTR_TREE_LIST (ATTR_TMPURE_MALLOC_NOTHROW_LIST,
392		   ATTR_TM_TMPURE, ATTR_NULL, ATTR_MALLOC_NOTHROW_LIST)
393/* Same attributes used for BUILT_IN_FREE except with TM_PURE thrown in.  */
394DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LIST,
395		   ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LIST)
396
397DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LEAF_LIST,
398		    ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
399DEF_ATTR_TREE_LIST (ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST,
400		    ATTR_TM_TMPURE, ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
401DEF_ATTR_TREE_LIST (ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST,
402		    ATTR_COLD, ATTR_NULL,
403		    ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST)
404
405/* Construct a tree for a format_arg attribute.  */
406#define DEF_FORMAT_ARG_ATTRIBUTE(FA)					\
407  DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_##FA, ATTR_FORMAT_ARG,		\
408		      ATTR_LIST_##FA, ATTR_NOTHROW_NONNULL_##FA)
409DEF_FORMAT_ARG_ATTRIBUTE(1)
410DEF_FORMAT_ARG_ATTRIBUTE(2)
411#undef DEF_FORMAT_ARG_ATTRIBUTE
412
413