* 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
+2003-08-02 Roger Sayle <roger@eyesopen.com>
+
+ * 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.
+
2003-08-02 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/linux.h (SUBTARGET_LINK_SPEC): Don't set rpath.
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_FORMAT_ARG_ATTRIBUTE(2)
#undef DEF_FORMAT_ARG_ATTRIBUTE
-/* Define an attribute for a function, along with the IDENTIFIER_NODE. */
-#define DEF_FN_ATTR_IDENT(NAME, ATTRS, PREDICATE) \
- DEF_ATTR_IDENT (ATTR_##NAME, #NAME) \
- DEF_FN_ATTR (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. */
-
-/* Functions from ISO/IEC 9899:1990. */
-#define DEF_C89_ATTR(NAME, ATTRS) DEF_FN_ATTR_IDENT (NAME, ATTRS, flag_hosted)
-DEF_C89_ATTR (fscanf, ATTR_FORMAT_SCANF_2_3)
-DEF_C89_ATTR (vfprintf, 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 (vfscanf, 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)
-#undef DEF_EXT_ATTR
-#undef DEF_FN_ATTR_IDENT
DEF_PRIMITIVE_TYPE (BT_CONST_PTR, const_ptr_type_node)
DEF_PRIMITIVE_TYPE (BT_PTRMODE, (*lang_hooks.types.type_for_mode)(ptr_mode, 0))
DEF_PRIMITIVE_TYPE (BT_SIZE, size_type_node)
+DEF_PRIMITIVE_TYPE (BT_SSIZE, signed_size_type_node)
DEF_PRIMITIVE_TYPE (BT_STRING, string_type_node)
DEF_PRIMITIVE_TYPE (BT_CONST_STRING, const_string_type_node)
BT_INT, BT_STRING, BT_CONST_STRING, BT_VALIST_ARG)
DEF_FUNCTION_TYPE_3 (BT_FN_INT_CONST_STRING_CONST_STRING_VALIST_ARG,
BT_INT, BT_CONST_STRING, BT_CONST_STRING, BT_VALIST_ARG)
+DEF_FUNCTION_TYPE_3 (BT_FN_INT_PTR_CONST_STRING_VALIST_ARG,
+ BT_INT, BT_PTR, BT_CONST_STRING, BT_VALIST_ARG)
+DEF_FUNCTION_TYPE_3 (BT_FN_STRING_CONST_STRING_CONST_STRING_INT,
+ BT_STRING, BT_CONST_STRING, BT_CONST_STRING, BT_INT)
DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR,
BT_SIZE, BT_CONST_PTR, BT_SIZE, BT_SIZE, BT_PTR)
DEF_FUNCTION_TYPE_4 (BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG,
BT_INT, BT_STRING, BT_SIZE, BT_CONST_STRING, BT_VALIST_ARG)
+DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR,
+ BT_SIZE, BT_STRING, BT_SIZE, BT_CONST_STRING, BT_CONST_PTR)
DEF_FUNCTION_TYPE_VAR_0 (BT_FN_VOID_VAR, BT_VOID)
DEF_FUNCTION_TYPE_VAR_0 (BT_FN_INT_VAR, BT_INT)
DEF_FUNCTION_TYPE_VAR_3 (BT_FN_INT_STRING_SIZE_CONST_STRING_VAR,
BT_INT, BT_STRING, BT_SIZE, BT_CONST_STRING)
+DEF_FUNCTION_TYPE_VAR_3 (BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR,
+ BT_SSIZE, BT_STRING, BT_SIZE, BT_CONST_STRING)
DEF_POINTER_TYPE (BT_PTR_FN_VOID_VAR, BT_FN_VOID_VAR)
DEF_FUNCTION_TYPE_3 (BT_FN_PTR_PTR_FN_VOID_VAR_PTR_SIZE,
DEF_EXT_LIB_BUILTIN (BUILT_IN_FPUTC_UNLOCKED, "fputc_unlocked", BT_FN_INT_INT_PTR, ATTR_NOTHROW_NONNULL_2)
DEF_LIB_BUILTIN (BUILT_IN_FPUTS, "fputs", BT_FN_INT_CONST_STRING_PTR, ATTR_NOTHROW_NONNULL_1_2)
DEF_EXT_LIB_BUILTIN (BUILT_IN_FPUTS_UNLOCKED, "fputs_unlocked", BT_FN_INT_CONST_STRING_PTR, ATTR_NOTHROW_NONNULL_1_2)
+DEF_LIB_BUILTIN (BUILT_IN_FSCANF, "fscanf", BT_FN_INT_PTR_CONST_STRING_VAR, ATTR_FORMAT_SCANF_2_3)
DEF_LIB_BUILTIN (BUILT_IN_FWRITE, "fwrite", BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, ATTR_NOTHROW_NONNULL_1_4)
DEF_EXT_LIB_BUILTIN (BUILT_IN_FWRITE_UNLOCKED, "fwrite_unlocked", BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, ATTR_NOTHROW_NONNULL_1_4)
DEF_LIB_BUILTIN (BUILT_IN_PRINTF, "printf", BT_FN_INT_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_1_2)
DEF_C99_BUILTIN (BUILT_IN_SNPRINTF, "snprintf", BT_FN_INT_STRING_SIZE_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_3_4)
DEF_LIB_BUILTIN (BUILT_IN_SPRINTF, "sprintf", BT_FN_INT_STRING_CONST_STRING_VAR, ATTR_FORMAT_PRINTF_2_3)
DEF_LIB_BUILTIN (BUILT_IN_SSCANF, "sscanf", BT_FN_INT_CONST_STRING_CONST_STRING_VAR, ATTR_FORMAT_SCANF_2_3)
+DEF_LIB_BUILTIN (BUILT_IN_VFPRINTF, "vfprintf", BT_FN_INT_PTR_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_2_0)
+DEF_C99_BUILTIN (BUILT_IN_VFSCANF, "vfscanf", BT_FN_INT_PTR_CONST_STRING_VALIST_ARG, ATTR_FORMAT_SCANF_2_0)
DEF_LIB_BUILTIN (BUILT_IN_VPRINTF, "vprintf", BT_FN_INT_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_1_0)
DEF_C99_BUILTIN (BUILT_IN_VSCANF, "vscanf", BT_FN_INT_CONST_STRING_VALIST_ARG, ATTR_FORMAT_SCANF_1_0)
DEF_C99_BUILTIN (BUILT_IN_VSNPRINTF, "vsnprintf", BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG, ATTR_FORMAT_PRINTF_3_0)
DEF_GCC_BUILTIN (BUILT_IN_CTZ, "ctz", BT_FN_INT_INT, ATTR_CONST_NOTHROW_LIST)
DEF_GCC_BUILTIN (BUILT_IN_CTZL, "ctzl", BT_FN_INT_LONG, ATTR_CONST_NOTHROW_LIST)
DEF_GCC_BUILTIN (BUILT_IN_CTZLL, "ctzll", BT_FN_INT_LONGLONG, ATTR_CONST_NOTHROW_LIST)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_DCGETTEXT, "dcgettext", BT_FN_STRING_CONST_STRING_CONST_STRING_INT, ATTR_FORMAT_ARG_2)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_DGETTEXT, "dgettext", BT_FN_STRING_CONST_STRING_CONST_STRING, ATTR_FORMAT_ARG_2)
DEF_GCC_BUILTIN (BUILT_IN_DWARF_CFA, "dwarf_cfa", BT_FN_PTR, ATTR_NULL)
DEF_GCC_BUILTIN (BUILT_IN_DWARF_SP_COLUMN, "dwarf_sp_column", BT_FN_UNSIGNED, ATTR_NULL)
DEF_GCC_BUILTIN (BUILT_IN_EH_RETURN, "eh_return", BT_FN_VOID_PTRMODE_PTR, ATTR_NORETURN_NOTHROW_LIST)
DEF_GCC_BUILTIN (BUILT_IN_EXTRACT_RETURN_ADDR, "extract_return_addr", BT_FN_PTR_PTR, ATTR_NULL)
DEF_GCC_BUILTIN (BUILT_IN_FRAME_ADDRESS, "frame_address", BT_FN_PTR_UNSIGNED, ATTR_NULL)
DEF_GCC_BUILTIN (BUILT_IN_FROB_RETURN_ADDR, "frob_return_addr", BT_FN_PTR_PTR, ATTR_NULL)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_GETTEXT, "gettext", BT_FN_STRING_CONST_STRING, ATTR_FORMAT_ARG_1)
DEF_GCC_BUILTIN (BUILT_IN_INIT_DWARF_REG_SIZES, "init_dwarf_reg_size_table", BT_FN_VOID_PTR, ATTR_NULL)
DEF_GCC_BUILTIN (BUILT_IN_ISGREATER, "isgreater", BT_FN_INT_VAR, ATTR_CONST_NOTHROW_LIST)
DEF_GCC_BUILTIN (BUILT_IN_ISGREATEREQUAL, "isgreaterequal", BT_FN_INT_VAR, ATTR_CONST_NOTHROW_LIST)
DEF_GCC_BUILTIN (BUILT_IN_SAVEREGS, "saveregs", BT_FN_PTR_VAR, ATTR_NULL)
DEF_GCC_BUILTIN (BUILT_IN_SETJMP, "setjmp", BT_FN_INT_PTR, ATTR_NULL)
DEF_GCC_BUILTIN (BUILT_IN_STDARG_START, "stdarg_start", BT_FN_VOID_VALIST_REF_VAR, ATTR_NULL)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_STRFMON, "strfmon", BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR, ATTR_FORMAT_STRFMON_3_4)
+DEF_LIB_BUILTIN (BUILT_IN_STRFTIME, "strftime", BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR, ATTR_FORMAT_STRFTIME_3_0)
DEF_GCC_BUILTIN (BUILT_IN_TRAP, "trap", BT_FN_VOID, ATTR_NORETURN_NOTHROW_LIST)
DEF_GCC_BUILTIN (BUILT_IN_UNWIND_INIT, "unwind_init", BT_FN_VOID, ATTR_NULL)
DEF_GCC_BUILTIN (BUILT_IN_VA_COPY, "va_copy", BT_FN_VOID_VALIST_REF_VALIST_ARG, ATTR_NULL)
/* Depending on the name of DECL, apply default attributes to it. */
void
-c_common_insert_default_attributes (tree decl)
+c_common_insert_default_attributes (tree decl ATTRIBUTE_UNUSED)
{
- tree name = DECL_NAME (decl);
-
- if (!c_attrs_initialized)
- c_init_attributes ();
-
-#define DEF_ATTR_NULL_TREE(ENUM) /* Nothing needed after initialization. */
-#define DEF_ATTR_INT(ENUM, VALUE)
-#define DEF_ATTR_IDENT(ENUM, STRING)
-#define DEF_ATTR_TREE_LIST(ENUM, PURPOSE, VALUE, CHAIN)
-#define DEF_FN_ATTR(NAME, ATTRS, PREDICATE) \
- if ((PREDICATE) && name == built_in_attributes[(int) NAME]) \
- decl_attributes (&decl, built_in_attributes[(int) ATTRS], \
- ATTR_FLAG_BUILT_IN);
-#include "builtin-attrs.def"
-#undef DEF_ATTR_NULL_TREE
-#undef DEF_ATTR_INT
-#undef DEF_ATTR_IDENT
-#undef DEF_ATTR_TREE_LIST
-#undef DEF_FN_ATTR
}
/* Output a -Wshadow warning MSGCODE about NAME, and give the location
@findex creal
@findex crealf
@findex creall
+@findex dcgettext
+@findex dgettext
@findex exit
@findex _exit
@findex _Exit
@findex fprintf_unlocked
@findex fputs
@findex fputs_unlocked
+@findex fscanf
+@findex gettext
@findex imaxabs
@findex index
@findex labs
@findex strcpy
@findex strcspn
@findex strdup
+@findex strfmon
+@findex strftime
@findex strlen
@findex strncat
@findex strncmp
@findex trunc
@findex truncf
@findex truncl
+@findex vfprintf
+@findex vfscanf
@findex vprintf
@findex vscanf
@findex vsnprintf
@opindex std
Outside strict ISO C mode (@option{-ansi}, @option{-std=c89} or
@option{-std=c99}), the functions @code{alloca}, @code{bcmp},
-@code{bzero}, @code{_exit}, @code{ffs}, @code{fprintf_unlocked},
-@code{fputs_unlocked}, @code{index}, @code{mempcpy}, @code{printf_unlocked},
-@code{rindex}, @code{stpcpy} and @code{strdup}
+@code{bzero}, @code{dcgettext}, @code{dgettext}, @code{_exit},
+@code{ffs}, @code{fprintf_unlocked},
+@code{fputs_unlocked}, @code{gettext},
+@code{index}, @code{mempcpy}, @code{printf_unlocked},
+@code{rindex}, @code{stpcpy}, @code{strdup} and @code{strfmon}
may be handled as built-in functions.
All these functions have corresponding versions
prefixed with @code{__builtin_}, which may be used even in strict C89
@code{_Exit}, @code{imaxabs}, @code{llabs},
@code{nearbyint}, @code{nearbyintf}, @code{nearbyintl},
@code{round}, @code{roundf}, @code{roundl}, @code{snprintf},
-@code{trunc}, @code{truncf}, @code{truncl},
+@code{trunc}, @code{truncf}, @code{truncl}, @code{vfscanf},
@code{vscanf}, @code{vsnprintf} and @code{vsscanf}
are handled as built-in functions
except in strict ISO C90 mode (@option{-ansi} or @option{-std=c89}).
The ISO C90 functions @code{abort}, @code{abs}, @code{atan}, @code{atan2},
@code{calloc}, @code{ceil}, @code{cos}, @code{exit},
@code{exp}, @code{fabs}, @code{floor}, @code{fmod},
-@code{fprintf}, @code{fputs}, @code{labs}, @code{log}, @code{malloc},
+@code{fprintf}, @code{fputs}, @code{fscanf},
+@code{labs}, @code{log}, @code{malloc},
@code{memcmp}, @code{memcpy}, @code{memset}, @code{pow}, @code{printf},
@code{putchar}, @code{puts}, @code{scanf}, @code{sin}, @code{snprintf},
@code{sprintf}, @code{sqrt}, @code{sscanf},
@code{strcat}, @code{strchr}, @code{strcmp},
@code{strcpy}, @code{strcspn}, @code{strlen}, @code{strncat}, @code{strncmp},
@code{strncpy}, @code{strpbrk}, @code{strrchr}, @code{strspn}, @code{strstr},
-@code{tan}, @code{vprintf} and @code{vsprintf}
+@code{tan}, @code{vfprintf}, @code{vprintf} and @code{vsprintf}
are all recognized as built-in functions unless
@option{-fno-builtin} is specified (or @option{-fno-builtin-@var{function}}
is specified for an individual function). All of these functions have
projects / thirdparty / gcc.git / commitdiff
