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builtin-types.def (BT_SSIZE): New primitive type.
* builtin-types.def (BT_SSIZE): New primitive type. (BT_FN_INT_PTR_CONST_STRING_VALIST_ARG, BT_FN_STRING_CONST_STRING_CONST_STRING_INT, BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR, BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR): New function types. * builtins.def (BUILT_IN_DCGETTEXT, BUILT_IN_DGETTEXT, BUILT_IN_FSCANF, BUILT_IN_GETTEXT, BUILT_IN_STRFMON, BUILT_IN_STRFTIME, BUILT_IN_VFPRINTF, BUILT_IN_VFSCANF): New builtins. * builtin-attrs.def: Remove DEF_FN_ATTR construct and the last few functions that define default attributes using it. * c-common.c (c_common_insert_default_attributes): Do nothing. * doc/extend.texi: Document these "new" builtins. From-SVN: r70113
This commit is contained in:
Roger Sayle
Roger Sayle
parent
469146c134
commit
178b2b9f0f
@ -1,3 +1,19 @@
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2003-08-02 Roger Sayle <roger@eyesopen.com>
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* builtin-types.def (BT_SSIZE): New primitive type.
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(BT_FN_INT_PTR_CONST_STRING_VALIST_ARG,
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BT_FN_STRING_CONST_STRING_CONST_STRING_INT,
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BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR,
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BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR): New function types.
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* builtins.def (BUILT_IN_DCGETTEXT, BUILT_IN_DGETTEXT,
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BUILT_IN_FSCANF, BUILT_IN_GETTEXT, BUILT_IN_STRFMON,
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BUILT_IN_STRFTIME, BUILT_IN_VFPRINTF, BUILT_IN_VFSCANF): New builtins.
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* builtin-attrs.def: Remove DEF_FN_ATTR construct and the last
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few functions that define default attributes using it.
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* c-common.c (c_common_insert_default_attributes): Do nothing.
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* doc/extend.texi: Document these "new" builtins.
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2003-08-02 Kaz Kojima <kkojima@gcc.gnu.org>
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* config/sh/linux.h (SUBTARGET_LINK_SPEC): Don't set rpath.
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@ -41,13 +41,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN)
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Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given
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as previous ENUM names).
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DEF_FN_ATTR (NAME, ATTRS, PREDICATE)
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Specifies that the function with name NAME (a previous ENUM for an
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IDENTIFIER_NODE) has attributes ATTRS (a previous ENUM) if
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PREDICATE is true. */
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as previous ENUM names). */
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DEF_ATTR_NULL_TREE (ATTR_NULL)
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@ -157,43 +151,3 @@ DEF_FORMAT_ARG_ATTRIBUTE(1)
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DEF_FORMAT_ARG_ATTRIBUTE(2)
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#undef DEF_FORMAT_ARG_ATTRIBUTE
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/* Define an attribute for a function, along with the IDENTIFIER_NODE. */
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#define DEF_FN_ATTR_IDENT(NAME, ATTRS, PREDICATE) \
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DEF_ATTR_IDENT (ATTR_##NAME, #NAME) \
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DEF_FN_ATTR (ATTR_##NAME, ATTRS, PREDICATE)
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/* The ISO C functions are always checked (whether <stdio.h> is
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included or not), since it is common to call printf without
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including <stdio.h>. There shouldn't be a problem with this,
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since ISO C reserves these function names whether you include the
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header file or not. In any case, the checking is harmless. With
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-ffreestanding, these default attributes are disabled, and must be
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specified manually if desired. */
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/* Functions from ISO/IEC 9899:1990. */
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#define DEF_C89_ATTR(NAME, ATTRS) DEF_FN_ATTR_IDENT (NAME, ATTRS, flag_hosted)
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DEF_C89_ATTR (fscanf, ATTR_FORMAT_SCANF_2_3)
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DEF_C89_ATTR (vfprintf, ATTR_FORMAT_PRINTF_2_0)
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DEF_C89_ATTR (strftime, ATTR_FORMAT_STRFTIME_3_0)
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#undef DEF_C89_ATTR
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/* ISO C99 adds the snprintf and vscanf family functions. */
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#define DEF_C99_ATTR(NAME, ATTRS) \
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DEF_FN_ATTR_IDENT (NAME, ATTRS, \
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(flag_hosted \
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&& (flag_isoc99 || flag_noniso_default_format_attributes)))
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DEF_C99_ATTR (vfscanf, ATTR_FORMAT_SCANF_2_0)
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#undef DEF_C99_ATTR
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/* Functions not in any version of ISO C. */
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#define DEF_EXT_ATTR(NAME, ATTRS) \
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DEF_FN_ATTR_IDENT (NAME, ATTRS, \
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flag_hosted && flag_noniso_default_format_attributes)
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/* Uniforum/GNU gettext functions. */
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DEF_EXT_ATTR (gettext, ATTR_FORMAT_ARG_1)
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DEF_EXT_ATTR (dgettext, ATTR_FORMAT_ARG_2)
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DEF_EXT_ATTR (dcgettext, ATTR_FORMAT_ARG_2)
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/* X/Open strfmon function. */
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DEF_EXT_ATTR (strfmon, ATTR_FORMAT_STRFMON_3_4)
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#undef DEF_EXT_ATTR
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#undef DEF_FN_ATTR_IDENT
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@ -76,6 +76,7 @@ DEF_PRIMITIVE_TYPE (BT_PTR, ptr_type_node)
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DEF_PRIMITIVE_TYPE (BT_CONST_PTR, const_ptr_type_node)
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DEF_PRIMITIVE_TYPE (BT_PTRMODE, (*lang_hooks.types.type_for_mode)(ptr_mode, 0))
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DEF_PRIMITIVE_TYPE (BT_SIZE, size_type_node)
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DEF_PRIMITIVE_TYPE (BT_SSIZE, signed_size_type_node)
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DEF_PRIMITIVE_TYPE (BT_STRING, string_type_node)
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DEF_PRIMITIVE_TYPE (BT_CONST_STRING, const_string_type_node)
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@ -183,11 +184,17 @@ DEF_FUNCTION_TYPE_3 (BT_FN_INT_STRING_CONST_STRING_VALIST_ARG,
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BT_INT, BT_STRING, BT_CONST_STRING, BT_VALIST_ARG)
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DEF_FUNCTION_TYPE_3 (BT_FN_INT_CONST_STRING_CONST_STRING_VALIST_ARG,
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BT_INT, BT_CONST_STRING, BT_CONST_STRING, BT_VALIST_ARG)
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DEF_FUNCTION_TYPE_3 (BT_FN_INT_PTR_CONST_STRING_VALIST_ARG,
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BT_INT, BT_PTR, BT_CONST_STRING, BT_VALIST_ARG)
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DEF_FUNCTION_TYPE_3 (BT_FN_STRING_CONST_STRING_CONST_STRING_INT,
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BT_STRING, BT_CONST_STRING, BT_CONST_STRING, BT_INT)
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DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR,
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BT_SIZE, BT_CONST_PTR, BT_SIZE, BT_SIZE, BT_PTR)
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DEF_FUNCTION_TYPE_4 (BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG,
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BT_INT, BT_STRING, BT_SIZE, BT_CONST_STRING, BT_VALIST_ARG)
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DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR,
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BT_SIZE, BT_STRING, BT_SIZE, BT_CONST_STRING, BT_CONST_PTR)
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DEF_FUNCTION_TYPE_VAR_0 (BT_FN_VOID_VAR, BT_VOID)
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DEF_FUNCTION_TYPE_VAR_0 (BT_FN_INT_VAR, BT_INT)
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@ -209,6 +216,8 @@ DEF_FUNCTION_TYPE_VAR_2 (BT_FN_INT_CONST_STRING_CONST_STRING_VAR,
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DEF_FUNCTION_TYPE_VAR_3 (BT_FN_INT_STRING_SIZE_CONST_STRING_VAR,
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BT_INT, BT_STRING, BT_SIZE, BT_CONST_STRING)
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DEF_FUNCTION_TYPE_VAR_3 (BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR,
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BT_SSIZE, BT_STRING, BT_SIZE, BT_CONST_STRING)
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DEF_POINTER_TYPE (BT_PTR_FN_VOID_VAR, BT_FN_VOID_VAR)
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DEF_FUNCTION_TYPE_3 (BT_FN_PTR_PTR_FN_VOID_VAR_PTR_SIZE,
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@ -247,6 +247,7 @@ DEF_LIB_BUILTIN (BUILT_IN_FPUTC, "fputc", BT_FN_INT_INT_PTR, ATTR_NOTHROW
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DEF_EXT_LIB_BUILTIN (BUILT_IN_FPUTC_UNLOCKED, "fputc_unlocked", BT_FN_INT_INT_PTR, ATTR_NOTHROW_NONNULL_2)
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DEF_LIB_BUILTIN (BUILT_IN_FPUTS, "fputs", BT_FN_INT_CONST_STRING_PTR, ATTR_NOTHROW_NONNULL_1_2)
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DEF_EXT_LIB_BUILTIN (BUILT_IN_FPUTS_UNLOCKED, "fputs_unlocked", BT_FN_INT_CONST_STRING_PTR, ATTR_NOTHROW_NONNULL_1_2)
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DEF_LIB_BUILTIN (BUILT_IN_FSCANF, "fscanf", BT_FN_INT_PTR_CONST_STRING_VAR, ATTR_FORMAT_SCANF_2_3)
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DEF_LIB_BUILTIN (BUILT_IN_FWRITE, "fwrite", BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, ATTR_NOTHROW_NONNULL_1_4)
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DEF_EXT_LIB_BUILTIN (BUILT_IN_FWRITE_UNLOCKED, "fwrite_unlocked", BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, ATTR_NOTHROW_NONNULL_1_4)
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DEF_LIB_BUILTIN (BUILT_IN_PRINTF, "printf", BT_FN_INT_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_1_2)
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@ -259,6 +260,8 @@ DEF_LIB_BUILTIN (BUILT_IN_SCANF, "scanf", BT_FN_INT_CONST_STRING_VAR, ATT
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DEF_C99_BUILTIN (BUILT_IN_SNPRINTF, "snprintf", BT_FN_INT_STRING_SIZE_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_3_4)
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DEF_LIB_BUILTIN (BUILT_IN_SPRINTF, "sprintf", BT_FN_INT_STRING_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_2_3)
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DEF_LIB_BUILTIN (BUILT_IN_SSCANF, "sscanf", BT_FN_INT_CONST_STRING_CONST_STRING_VAR, ATTR_FORMAT_SCANF_2_3)
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DEF_LIB_BUILTIN (BUILT_IN_VFPRINTF, "vfprintf", BT_FN_INT_PTR_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_2_0)
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DEF_C99_BUILTIN (BUILT_IN_VFSCANF, "vfscanf", BT_FN_INT_PTR_CONST_STRING_VALIST_ARG, ATTR_FORMAT_SCANF_2_0)
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DEF_LIB_BUILTIN (BUILT_IN_VPRINTF, "vprintf", BT_FN_INT_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_1_0)
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DEF_C99_BUILTIN (BUILT_IN_VSCANF, "vscanf", BT_FN_INT_CONST_STRING_VALIST_ARG, ATTR_FORMAT_SCANF_1_0)
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DEF_C99_BUILTIN (BUILT_IN_VSNPRINTF, "vsnprintf", BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_3_0)
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@ -283,6 +286,8 @@ DEF_GCC_BUILTIN (BUILT_IN_CONSTANT_P, "constant_p", BT_FN_INT_VAR, ATTR_C
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DEF_GCC_BUILTIN (BUILT_IN_CTZ, "ctz", BT_FN_INT_INT, ATTR_CONST_NOTHROW_LIST)
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DEF_GCC_BUILTIN (BUILT_IN_CTZL, "ctzl", BT_FN_INT_LONG, ATTR_CONST_NOTHROW_LIST)
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DEF_GCC_BUILTIN (BUILT_IN_CTZLL, "ctzll", BT_FN_INT_LONGLONG, ATTR_CONST_NOTHROW_LIST)
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DEF_EXT_LIB_BUILTIN (BUILT_IN_DCGETTEXT, "dcgettext", BT_FN_STRING_CONST_STRING_CONST_STRING_INT, ATTR_FORMAT_ARG_2)
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DEF_EXT_LIB_BUILTIN (BUILT_IN_DGETTEXT, "dgettext", BT_FN_STRING_CONST_STRING_CONST_STRING, ATTR_FORMAT_ARG_2)
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DEF_GCC_BUILTIN (BUILT_IN_DWARF_CFA, "dwarf_cfa", BT_FN_PTR, ATTR_NULL)
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DEF_GCC_BUILTIN (BUILT_IN_DWARF_SP_COLUMN, "dwarf_sp_column", BT_FN_UNSIGNED, ATTR_NULL)
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DEF_GCC_BUILTIN (BUILT_IN_EH_RETURN, "eh_return", BT_FN_VOID_PTRMODE_PTR, ATTR_NORETURN_NOTHROW_LIST)
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@ -292,6 +297,7 @@ DEF_GCC_BUILTIN (BUILT_IN_EXPECT, "expect", BT_FN_LONG_LONG_LONG, ATTR_NU
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DEF_GCC_BUILTIN (BUILT_IN_EXTRACT_RETURN_ADDR, "extract_return_addr", BT_FN_PTR_PTR, ATTR_NULL)
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DEF_GCC_BUILTIN (BUILT_IN_FRAME_ADDRESS, "frame_address", BT_FN_PTR_UNSIGNED, ATTR_NULL)
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DEF_GCC_BUILTIN (BUILT_IN_FROB_RETURN_ADDR, "frob_return_addr", BT_FN_PTR_PTR, ATTR_NULL)
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DEF_EXT_LIB_BUILTIN (BUILT_IN_GETTEXT, "gettext", BT_FN_STRING_CONST_STRING, ATTR_FORMAT_ARG_1)
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DEF_GCC_BUILTIN (BUILT_IN_INIT_DWARF_REG_SIZES, "init_dwarf_reg_size_table", BT_FN_VOID_PTR, ATTR_NULL)
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DEF_GCC_BUILTIN (BUILT_IN_ISGREATER, "isgreater", BT_FN_INT_VAR, ATTR_CONST_NOTHROW_LIST)
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DEF_GCC_BUILTIN (BUILT_IN_ISGREATEREQUAL, "isgreaterequal", BT_FN_INT_VAR, ATTR_CONST_NOTHROW_LIST)
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@ -314,6 +320,8 @@ DEF_GCC_BUILTIN (BUILT_IN_RETURN_ADDRESS, "return_address", BT_FN_PTR_UNS
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DEF_GCC_BUILTIN (BUILT_IN_SAVEREGS, "saveregs", BT_FN_PTR_VAR, ATTR_NULL)
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DEF_GCC_BUILTIN (BUILT_IN_SETJMP, "setjmp", BT_FN_INT_PTR, ATTR_NULL)
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DEF_GCC_BUILTIN (BUILT_IN_STDARG_START, "stdarg_start", BT_FN_VOID_VALIST_REF_VAR, ATTR_NULL)
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DEF_EXT_LIB_BUILTIN (BUILT_IN_STRFMON, "strfmon", BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR, ATTR_FORMAT_STRFMON_3_4)
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DEF_LIB_BUILTIN (BUILT_IN_STRFTIME, "strftime", BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR, ATTR_FORMAT_STRFTIME_3_0)
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DEF_GCC_BUILTIN (BUILT_IN_TRAP, "trap", BT_FN_VOID, ATTR_NORETURN_NOTHROW_LIST)
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DEF_GCC_BUILTIN (BUILT_IN_UNWIND_INIT, "unwind_init", BT_FN_VOID, ATTR_NULL)
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DEF_GCC_BUILTIN (BUILT_IN_VA_COPY, "va_copy", BT_FN_VOID_VALIST_REF_VALIST_ARG, ATTR_NULL)
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@ -4189,27 +4189,8 @@ c_init_attributes (void)
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/* Depending on the name of DECL, apply default attributes to it. */
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void
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c_common_insert_default_attributes (tree decl)
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c_common_insert_default_attributes (tree decl ATTRIBUTE_UNUSED)
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{
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tree name = DECL_NAME (decl);
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if (!c_attrs_initialized)
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c_init_attributes ();
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#define DEF_ATTR_NULL_TREE(ENUM) /* Nothing needed after initialization. */
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#define DEF_ATTR_INT(ENUM, VALUE)
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#define DEF_ATTR_IDENT(ENUM, STRING)
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#define DEF_ATTR_TREE_LIST(ENUM, PURPOSE, VALUE, CHAIN)
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#define DEF_FN_ATTR(NAME, ATTRS, PREDICATE) \
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if ((PREDICATE) && name == built_in_attributes[(int) NAME]) \
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decl_attributes (&decl, built_in_attributes[(int) ATTRS], \
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ATTR_FLAG_BUILT_IN);
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#include "builtin-attrs.def"
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#undef DEF_ATTR_NULL_TREE
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#undef DEF_ATTR_INT
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#undef DEF_ATTR_IDENT
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#undef DEF_ATTR_TREE_LIST
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#undef DEF_FN_ATTR
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}
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/* Output a -Wshadow warning MSGCODE about NAME, and give the location
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@ -4745,6 +4745,8 @@ v4si f (v4si a, v4si b, v4si c)
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@findex creal
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@findex crealf
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@findex creall
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@findex dcgettext
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@findex dgettext
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@findex exit
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@findex _exit
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@findex _Exit
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@ -4765,6 +4767,8 @@ v4si f (v4si a, v4si b, v4si c)
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@findex fprintf_unlocked
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@findex fputs
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@findex fputs_unlocked
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@findex fscanf
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@findex gettext
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@findex imaxabs
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@findex index
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@findex labs
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@ -4808,6 +4812,8 @@ v4si f (v4si a, v4si b, v4si c)
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@findex strcpy
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@findex strcspn
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@findex strdup
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@findex strfmon
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@findex strftime
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@findex strlen
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@findex strncat
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@findex strncmp
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@ -4822,6 +4828,8 @@ v4si f (v4si a, v4si b, v4si c)
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@findex trunc
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@findex truncf
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@findex truncl
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@findex vfprintf
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@findex vfscanf
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@findex vprintf
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@findex vscanf
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@findex vsnprintf
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@ -4849,9 +4857,11 @@ be emitted.
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@opindex std
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Outside strict ISO C mode (@option{-ansi}, @option{-std=c89} or
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@option{-std=c99}), the functions @code{alloca}, @code{bcmp},
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@code{bzero}, @code{_exit}, @code{ffs}, @code{fprintf_unlocked},
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@code{fputs_unlocked}, @code{index}, @code{mempcpy}, @code{printf_unlocked},
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@code{rindex}, @code{stpcpy} and @code{strdup}
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@code{bzero}, @code{dcgettext}, @code{dgettext}, @code{_exit},
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@code{ffs}, @code{fprintf_unlocked},
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@code{fputs_unlocked}, @code{gettext},
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@code{index}, @code{mempcpy}, @code{printf_unlocked},
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@code{rindex}, @code{stpcpy}, @code{strdup} and @code{strfmon}
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may be handled as built-in functions.
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All these functions have corresponding versions
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prefixed with @code{__builtin_}, which may be used even in strict C89
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@ -4865,7 +4875,7 @@ The ISO C99 functions
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@code{_Exit}, @code{imaxabs}, @code{llabs},
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@code{nearbyint}, @code{nearbyintf}, @code{nearbyintl},
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@code{round}, @code{roundf}, @code{roundl}, @code{snprintf},
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@code{trunc}, @code{truncf}, @code{truncl},
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@code{trunc}, @code{truncf}, @code{truncl}, @code{vfscanf},
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@code{vscanf}, @code{vsnprintf} and @code{vsscanf}
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are handled as built-in functions
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except in strict ISO C90 mode (@option{-ansi} or @option{-std=c89}).
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@ -4885,14 +4895,15 @@ corresponding versions prefixed with @code{__builtin_}.
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The ISO C90 functions @code{abort}, @code{abs}, @code{atan}, @code{atan2},
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@code{calloc}, @code{ceil}, @code{cos}, @code{exit},
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@code{exp}, @code{fabs}, @code{floor}, @code{fmod},
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@code{fprintf}, @code{fputs}, @code{labs}, @code{log}, @code{malloc},
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@code{fprintf}, @code{fputs}, @code{fscanf},
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@code{labs}, @code{log}, @code{malloc},
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@code{memcmp}, @code{memcpy}, @code{memset}, @code{pow}, @code{printf},
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@code{putchar}, @code{puts}, @code{scanf}, @code{sin}, @code{snprintf},
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@code{sprintf}, @code{sqrt}, @code{sscanf},
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@code{strcat}, @code{strchr}, @code{strcmp},
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@code{strcpy}, @code{strcspn}, @code{strlen}, @code{strncat}, @code{strncmp},
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@code{strncpy}, @code{strpbrk}, @code{strrchr}, @code{strspn}, @code{strstr},
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@code{tan}, @code{vprintf} and @code{vsprintf}
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@code{tan}, @code{vfprintf}, @code{vprintf} and @code{vsprintf}
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are all recognized as built-in functions unless
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@option{-fno-builtin} is specified (or @option{-fno-builtin-@var{function}}
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is specified for an individual function). All of these functions have
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