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std::abort)
PR c++/7099
* builtin-attrs.def: Define new attribute lists for use in
builtins.def.
* builtins.def [DEF_BUILTIN]: Modify to take an additional
ATTRS argument, an enumerated value defined in builtin-attrs.def
that represents the attribute list for the builtins. Modify
all builtin functions to pass an appropriate attribute list.
Specify "abort", "exit", "_exit" and "_Exit" builtins here with
their required noreturn attributes.
* tree.h (enum_builtin_function): Ignore the additional parameter
to DEF_BUILTIN.
* builtins.c (built_in_names): Likewise.
* c-common.c: (builtin_function_2): Replace the "int noreturn_p"
argument with a tree representing the functions attribute list.
Pass this "attrs" argument to builtin_function. No longer handle
the noreturn_p processing manually.
(built_in_attributes): Move the definitions from builtin-attrs.def
before c_common_nodes_and_builtins.
(c_common_nodes_and_builtins): Handle the new ATTRS parameter in
DEF_BUILTIN, passing it to both builtin_function and the changed
builtin_function_2.
* doc/extend.texi: Document __builtin_abort, __builtin_exit,
__builtin__exit and __builtin__Exit.
* java/builtins.c (initialize_builtins): Ignore the additional
parameter to DEF_BUILTIN. Handle more C/C++ specific junk in
the builtins.def file.
From-SVN: r55276
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* builtin-attrs.def: Update copyright years.
(ATTR_NONNULL): New attribute identifier.
(ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_3): New
attribute tree lists.
(DEF_FORMAT_ATTRIBUTE): Chain a nonnull attribute for the
format operand.
(ATTR_FORMAT_ARG_1, ATTR_FORMAT_ARG_2): Use...
(DEF_FORMAT_ARG_ATTRIBUTE): ...this to generate format_arg
attribute lists. Chain the appropriate nonnull attribute.
* c-format.c (check_format_arg): Remove null format string
warning.
* testsuite/gcc.dg/format/null-1.c: New test.
From-SVN: r53801
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__printf__ attribute.
* builtin-attrs.def (__builtin_printf_unlocked,
__builtin_fprintf_unlocked, printf_unlocked, fprintf_unlocked):
Mark with the __printf__ attribute.
* builtins.c (expand_builtin_fputs): Add an `unlocked' parameter
and set the replacement function depending on it.
(expand_builtin): Skip BUILT_IN_*_UNLOCKED when not optimizing.
Handle BUILT_IN_*_UNLOCKED when optimizing.
* builtins.def (DEF_EXT_FALLBACK_BUILTIN,
DEF_EXT_FRONT_END_LIB_BUILTIN): New macros.
Declare the "unlocked" stdio functions.
* c-common.c (c_expand_builtin_printf, c_expand_builtin_fprintf):
Add an `unlocked' parameter and set the replacement function
depending on it.
(c_expand_builtin): Handle BUILT_IN_PRINTF_UNLOCKED and
BUILT_IN_FPRINTF_UNLOCKED.
* doc/extend.texi (printf_unlocked, fprintf_unlocked,
fputs_unlocked): Document.
testsuite:
* gcc.dg/format/builtin-1.c: Test unlocked stdio.
* gcc.dg/format/c90-printf-3.c: Likewise.
* gcc.dg/format/c99-printf-3.c: Likewise.
* gcc.dg/format/ext-1.c: Likewise.
* gcc.dg/format/ext-6.c: Likewise.
* gcc.dg/format/format.h: Prototype unlocked stdio.
From-SVN: r48229
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insert default attributes on...
* attribs.c (decl_attributes): Possibly call
insert_default_attributes to insert default attributes on
functions in a lazy manner.
* builtin-attrs.def: New file; define the default format and
format_arg attributes.
* c-common.c (c_format_attribute_table): Move to earlier in the
file.
(c_common_nodes_and_builtins): Initialize format_attribute_table.
(enum built_in_attribute, built_in_attributes,
c_attrs_initialized, c_init_attributes,
c_common_insert_default_attributes): New.
(c_common_lang_init): Don't initialize format_attribute_table. Do
call c_init_attributes.
* Makefile.in (c-common.o): Depend on builtin-attrs.def.
* c-common.h (init_function_format_info): Don't declare.
(c_common_insert_default_attributes): Declare.
* c-decl.c (implicitly_declare, builtin_function): Call
decl_attributes.
(init_decl_processing): Don't call init_function_format_info.
(insert_default_attributes): New.
* c-format.c (handle_format_attribute,
handle_format_arg_attribute): Be quiet about inappropriate
declaration when applying default attributes.
(init_function_format_info): Remove.
* tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
(insert_default_attributes): Declare.
cp:
* decl.c (init_decl_processing): Don't call
init_function_format_info. Initialize lang_attribute_table
earlier.
(builtin_function): Call decl_attributes.
(insert_default_attributes): New.
testsuite:
* gcc.dg/format/attr-5.c, gcc.dg/format/attr-6.c: New tests.
From-SVN: r45942
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