Imported gcc-4.4.3

[msp430-gcc.git] / gcc / builtin-attrs.def

diff --git a/gcc/builtin-attrs.def b/gcc/builtin-attrs.def
index 10b370893e2e89e9f835487a58f803dfc08e2099..81700cc77bd46004ecc635b59b7b35e1f08ca3b0 100644 (file)
--- a/gcc/builtin-attrs.def
+++ b/gcc/builtin-attrs.def
@@ -1,11 +1,11 @@
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002, 2004, 2005, 2007 Free Software Foundation, Inc.

    Contributed by Joseph Myers <jsm28@cam.ac.uk>.
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
    Contributed by Joseph Myers <jsm28@cam.ac.uk>.
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free

-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later

 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY


@@ -14,9 +14,8 @@ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License

-along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */

 
 /* This header provides a declarative way of describing the attributes
    that are applied to some functions by default.
 
 /* This header provides a declarative way of describing the attributes
    that are applied to some functions by default.


@@ -41,131 +40,163 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN)
 
      Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given
    DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN)
 
      Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given

-     as previous ENUM names).
-
-   DEF_FN_ATTR (NAME, ATTRS, PREDICATE)
-
-     Specifies that the function with name NAME (a previous ENUM for an
-     IDENTIFIER_NODE) has attributes ATTRS (a previous ENUM) if
-     PREDICATE is true.  */
+     as previous ENUM names).  */

 
 DEF_ATTR_NULL_TREE (ATTR_NULL)
 
 
 DEF_ATTR_NULL_TREE (ATTR_NULL)
 

-/* Note that below we must avoid whitespace in arguments of CONCAT*.  */
-

 /* Construct a tree for a given integer and a list containing it.  */
 #define DEF_ATTR_FOR_INT(VALUE)                                        \
 /* Construct a tree for a given integer and a list containing it.  */
 #define DEF_ATTR_FOR_INT(VALUE)                                        \

-  DEF_ATTR_INT (CONCAT2 (ATTR_,VALUE), VALUE)                  \
-  DEF_ATTR_TREE_LIST (CONCAT2 (ATTR_LIST_,VALUE), ATTR_NULL,   \
-                     CONCAT2 (ATTR_,VALUE), ATTR_NULL)
+  DEF_ATTR_INT (ATTR_##VALUE, VALUE)                   \
+  DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE, ATTR_NULL,    \
+                     ATTR_##VALUE, ATTR_NULL)

 DEF_ATTR_FOR_INT (0)
 DEF_ATTR_FOR_INT (1)
 DEF_ATTR_FOR_INT (2)
 DEF_ATTR_FOR_INT (3)
 DEF_ATTR_FOR_INT (4)
 DEF_ATTR_FOR_INT (0)
 DEF_ATTR_FOR_INT (1)
 DEF_ATTR_FOR_INT (2)
 DEF_ATTR_FOR_INT (3)
 DEF_ATTR_FOR_INT (4)

+DEF_ATTR_FOR_INT (5)
+DEF_ATTR_FOR_INT (6)

 #undef DEF_ATTR_FOR_INT
 
 /* Construct a tree for a list of two integers.  */
 #define DEF_LIST_INT_INT(VALUE1, VALUE2)                                \
 #undef DEF_ATTR_FOR_INT
 
 /* Construct a tree for a list of two integers.  */
 #define DEF_LIST_INT_INT(VALUE1, VALUE2)                                \

-  DEF_ATTR_TREE_LIST (CONCAT4 (ATTR_LIST_,VALUE1,_,VALUE2), ATTR_NULL,  \
-                   CONCAT2 (ATTR_,VALUE1), CONCAT2 (ATTR_LIST_,VALUE2))
+  DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE1##_##VALUE2, ATTR_NULL,                 \
+                     ATTR_##VALUE1, ATTR_LIST_##VALUE2)

 DEF_LIST_INT_INT (1,0)
 DEF_LIST_INT_INT (1,2)
 DEF_LIST_INT_INT (2,0)
 DEF_LIST_INT_INT (2,3)
 DEF_LIST_INT_INT (3,0)
 DEF_LIST_INT_INT (3,4)
 DEF_LIST_INT_INT (1,0)
 DEF_LIST_INT_INT (1,2)
 DEF_LIST_INT_INT (2,0)
 DEF_LIST_INT_INT (2,3)
 DEF_LIST_INT_INT (3,0)
 DEF_LIST_INT_INT (3,4)

+DEF_LIST_INT_INT (4,0)
+DEF_LIST_INT_INT (4,5)
+DEF_LIST_INT_INT (5,0)
+DEF_LIST_INT_INT (5,6)

 #undef DEF_LIST_INT_INT
 
 #undef DEF_LIST_INT_INT
 

+/* Construct trees for identifiers.  */
+DEF_ATTR_IDENT (ATTR_CONST, "const")
+DEF_ATTR_IDENT (ATTR_FORMAT, "format")
+DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg")
+DEF_ATTR_IDENT (ATTR_MALLOC, "malloc")
+DEF_ATTR_IDENT (ATTR_NONNULL, "nonnull")
+DEF_ATTR_IDENT (ATTR_NORETURN, "noreturn")
+DEF_ATTR_IDENT (ATTR_NOTHROW, "nothrow")

 DEF_ATTR_IDENT (ATTR_PRINTF, "printf")
 DEF_ATTR_IDENT (ATTR_PRINTF, "printf")

+DEF_ATTR_IDENT (ATTR_ASM_FPRINTF, "asm_fprintf")
+DEF_ATTR_IDENT (ATTR_GCC_DIAG, "gcc_diag")
+DEF_ATTR_IDENT (ATTR_GCC_CDIAG, "gcc_cdiag")
+DEF_ATTR_IDENT (ATTR_GCC_CXXDIAG, "gcc_cxxdiag")
+DEF_ATTR_IDENT (ATTR_PURE, "pure")
+DEF_ATTR_IDENT (ATTR_NOVOPS, "no vops")

 DEF_ATTR_IDENT (ATTR_SCANF, "scanf")
 DEF_ATTR_IDENT (ATTR_SCANF, "scanf")

-DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime")
+DEF_ATTR_IDENT (ATTR_SENTINEL, "sentinel")

 DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon")
 DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon")

-
-DEF_ATTR_IDENT (ATTR_FORMAT, "format")
-DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg")
+DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime")
+DEF_ATTR_IDENT (ATTR_TYPEGENERIC, "type generic")
+
+DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL)
+
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL)
+
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST,       \
+                       ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE,         \
+                       ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NOVOPS_LIST, ATTR_NOVOPS,        \
+                       ATTR_NULL, ATTR_PURE_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN, \
+                       ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC,     \
+                       ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LIST, ATTR_SENTINEL, \
+                       ATTR_NULL, ATTR_NOTHROW_LIST)
+
+/* Functions whose pointer parameter(s) are all nonnull.  */
+DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL)
+/* Functions whose first parameter is a nonnull pointer.  */
+DEF_ATTR_TREE_LIST (ATTR_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL)
+/* Functions whose second parameter is a nonnull pointer.  */
+DEF_ATTR_TREE_LIST (ATTR_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, ATTR_NULL)
+/* Functions whose third parameter is a nonnull pointer.  */
+DEF_ATTR_TREE_LIST (ATTR_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, ATTR_NULL)
+/* Nothrow functions with the sentinel(1) attribute. */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_SENTINEL_1, ATTR_SENTINEL, ATTR_LIST_1, \
+                       ATTR_NOTHROW_LIST)
+/* Nothrow functions whose pointer parameter(s) are all nonnull.  */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL, ATTR_NONNULL, ATTR_NULL, \
+                       ATTR_NOTHROW_LIST)
+/* Nothrow functions whose first parameter is a nonnull pointer.  */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \
+                       ATTR_NOTHROW_LIST)
+/* Nothrow functions whose second parameter is a nonnull pointer.  */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, \
+                       ATTR_NOTHROW_LIST)
+/* Nothrow functions whose third parameter is a nonnull pointer.  */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, \
+                       ATTR_NOTHROW_LIST)
+/* Nothrow functions whose fourth parameter is a nonnull pointer.  */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_4, ATTR_NONNULL, ATTR_LIST_4, \
+                       ATTR_NOTHROW_LIST)
+/* Nothrow functions whose fifth parameter is a nonnull pointer.  */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_5, ATTR_NONNULL, ATTR_LIST_5, \
+                       ATTR_NOTHROW_LIST)
+/* Nothrow const functions whose pointer parameter(s) are all nonnull.  */
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL, ATTR_CONST, ATTR_NULL, \
+                       ATTR_NOTHROW_NONNULL)
+/* Nothrow const functions which are type-generic.  */
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC, ATTR_TYPEGENERIC, ATTR_NULL, \
+                       ATTR_CONST_NOTHROW_LIST)
+/* Nothrow pure functions whose pointer parameter(s) are all nonnull.  */
+DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL, ATTR_PURE, ATTR_NULL, \
+                       ATTR_NOTHROW_NONNULL)
+/* Nothrow malloc functions whose pointer parameter(s) are all nonnull.  */
+DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL, ATTR_MALLOC, ATTR_NULL, \
+                       ATTR_NOTHROW_NONNULL)

 
 /* Construct a tree for a format attribute.  */
 
 /* Construct a tree for a format attribute.  */

-#define DEF_FORMAT_ATTRIBUTE(TYPE, VALUES)                              \
-  DEF_ATTR_TREE_LIST (CONCAT4 (ATTR_,TYPE,_,VALUES), ATTR_NULL,                 \
-                     CONCAT2 (ATTR_,TYPE), CONCAT2 (ATTR_LIST_,VALUES)) \
-  DEF_ATTR_TREE_LIST (CONCAT4 (ATTR_FORMAT_,TYPE,_,VALUES), ATTR_FORMAT, \
-                     CONCAT4 (ATTR_,TYPE,_,VALUES), ATTR_NULL)
-DEF_FORMAT_ATTRIBUTE(PRINTF,1_0)
-DEF_FORMAT_ATTRIBUTE(PRINTF,1_2)
-DEF_FORMAT_ATTRIBUTE(PRINTF,2_0)
-DEF_FORMAT_ATTRIBUTE(PRINTF,2_3)
-DEF_FORMAT_ATTRIBUTE(PRINTF,3_0)
-DEF_FORMAT_ATTRIBUTE(PRINTF,3_4)
-DEF_FORMAT_ATTRIBUTE(SCANF,1_0)
-DEF_FORMAT_ATTRIBUTE(SCANF,1_2)
-DEF_FORMAT_ATTRIBUTE(SCANF,2_0)
-DEF_FORMAT_ATTRIBUTE(SCANF,2_3)
-DEF_FORMAT_ATTRIBUTE(STRFTIME,3_0)
-DEF_FORMAT_ATTRIBUTE(STRFMON,3_4)
+#define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES)                          \
+  DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,                \
+                     ATTR_##TYPE, ATTR_LIST_##VALUES)                   \
+  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT,       \
+                     ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)
+#define DEF_FORMAT_ATTRIBUTE_NOTHROW(TYPE, FA, VALUES)                  \
+  DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,                \
+                     ATTR_##TYPE, ATTR_LIST_##VALUES)                   \
+  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
+                     ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
+#define DEF_FORMAT_ATTRIBUTE_BOTH(TYPE, FA, VALUES)                     \
+  DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,                \
+                     ATTR_##TYPE, ATTR_LIST_##VALUES)                   \
+  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT,       \
+                     ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)         \
+  DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
+                     ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
+DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0)
+DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_0)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_3)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_0)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_4)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_0)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_5)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_0)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_6)
+DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0)
+DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2)
+DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_0)
+DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_3)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFTIME,3,3_0)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFMON,3,3_4)

 #undef DEF_FORMAT_ATTRIBUTE
 #undef DEF_FORMAT_ATTRIBUTE

+#undef DEF_FORMAT_ATTRIBUTE_NOTHROW
+#undef DEF_FORMAT_ATTRIBUTE_BOTH
+
+/* Construct a tree for a format_arg attribute.  */
+#define DEF_FORMAT_ARG_ATTRIBUTE(FA)                                   \
+  DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_##FA, ATTR_FORMAT_ARG,           \
+                     ATTR_LIST_##FA, ATTR_NOTHROW_NONNULL_##FA)
+DEF_FORMAT_ARG_ATTRIBUTE(1)
+DEF_FORMAT_ARG_ATTRIBUTE(2)
+#undef DEF_FORMAT_ARG_ATTRIBUTE

 
 

-DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_1, ATTR_FORMAT_ARG, ATTR_LIST_1, ATTR_NULL)
-DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_2, ATTR_FORMAT_ARG, ATTR_LIST_2, ATTR_NULL)
-
-/* Define an attribute for a function, along with the IDENTIFIER_NODE.  */
-#define DEF_FN_ATTR_IDENT(NAME, ATTRS, PREDICATE)      \
-  DEF_ATTR_IDENT (CONCAT2(ATTR_,NAME), STRINGX(NAME))  \
-  DEF_FN_ATTR (CONCAT2(ATTR_,NAME), ATTRS, PREDICATE)
-
-/* The ISO C functions are always checked (whether <stdio.h> is
-   included or not), since it is common to call printf without
-   including <stdio.h>.  There shouldn't be a problem with this,
-   since ISO C reserves these function names whether you include the
-   header file or not.  In any case, the checking is harmless.  With
-   -ffreestanding, these default attributes are disabled, and must be
-   specified manually if desired.  */
-
-/* __builtin functions should be checked unconditionally, even with
-   -ffreestanding.  */
-DEF_FN_ATTR_IDENT (__builtin_printf, ATTR_FORMAT_PRINTF_1_2, true)
-DEF_FN_ATTR_IDENT (__builtin_fprintf, ATTR_FORMAT_PRINTF_2_3, true)
-DEF_FN_ATTR_IDENT (__builtin_printf_unlocked, ATTR_FORMAT_PRINTF_1_2, true)
-DEF_FN_ATTR_IDENT (__builtin_fprintf_unlocked, ATTR_FORMAT_PRINTF_2_3, true)
-
-/* Functions from ISO/IEC 9899:1990.  */
-#define DEF_C89_ATTR(NAME, ATTRS) DEF_FN_ATTR_IDENT (NAME, ATTRS, flag_hosted)
-DEF_C89_ATTR (printf, ATTR_FORMAT_PRINTF_1_2)
-DEF_C89_ATTR (fprintf, ATTR_FORMAT_PRINTF_2_3)
-DEF_C89_ATTR (sprintf, ATTR_FORMAT_PRINTF_2_3)
-DEF_C89_ATTR (scanf, ATTR_FORMAT_SCANF_1_2)
-DEF_C89_ATTR (fscanf, ATTR_FORMAT_SCANF_2_3)
-DEF_C89_ATTR (sscanf, ATTR_FORMAT_SCANF_2_3)
-DEF_C89_ATTR (vprintf, ATTR_FORMAT_PRINTF_1_0)
-DEF_C89_ATTR (vfprintf, ATTR_FORMAT_PRINTF_2_0)
-DEF_C89_ATTR (vsprintf, ATTR_FORMAT_PRINTF_2_0)
-DEF_C89_ATTR (strftime, ATTR_FORMAT_STRFTIME_3_0)
-#undef DEF_C89_ATTR
-
-/* ISO C99 adds the snprintf and vscanf family functions.  */
-#define DEF_C99_ATTR(NAME, ATTRS)                                          \
-  DEF_FN_ATTR_IDENT (NAME, ATTRS,                                          \
-              (flag_hosted                                                 \
-               && (flag_isoc99 || flag_noniso_default_format_attributes)))
-DEF_C99_ATTR (snprintf, ATTR_FORMAT_PRINTF_3_4)
-DEF_C99_ATTR (vsnprintf, ATTR_FORMAT_PRINTF_3_0)
-DEF_C99_ATTR (vscanf, ATTR_FORMAT_SCANF_1_0)
-DEF_C99_ATTR (vfscanf, ATTR_FORMAT_SCANF_2_0)
-DEF_C99_ATTR (vsscanf, ATTR_FORMAT_SCANF_2_0)
-#undef DEF_C99_ATTR
-
-/* Functions not in any version of ISO C.  */
-#define DEF_EXT_ATTR(NAME, ATTRS)                                      \
-  DEF_FN_ATTR_IDENT (NAME, ATTRS,                                      \
-              flag_hosted && flag_noniso_default_format_attributes)
-/* Uniforum/GNU gettext functions.  */
-DEF_EXT_ATTR (gettext, ATTR_FORMAT_ARG_1)
-DEF_EXT_ATTR (dgettext, ATTR_FORMAT_ARG_2)
-DEF_EXT_ATTR (dcgettext, ATTR_FORMAT_ARG_2)
-/* X/Open strfmon function.  */
-DEF_EXT_ATTR (strfmon, ATTR_FORMAT_STRFMON_3_4)
-/* Glibc thread-unsafe stdio functions.  */
-DEF_EXT_ATTR (printf_unlocked, ATTR_FORMAT_PRINTF_1_2)
-DEF_EXT_ATTR (fprintf_unlocked, ATTR_FORMAT_PRINTF_2_3)
-#undef DEF_EXT_ATTR
-#undef DEF_FN_ATTR_IDENT