mirror of
https://git.code.sf.net/p/mingw-w64/mingw-w64
synced 2024-11-23 18:04:18 +08:00
22a065d89f
There's no problem in using the "artificial" attribute with Clang, at least as of Clang 10.0. Clarify why Clang is excluded for __MINGW_FORTIFY_VA_ARG. Signed-off-by: Martin Storsjö <martin@martin.st>
365 lines
11 KiB
C
365 lines
11 KiB
C
/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the mingw-w64 runtime package.
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* No warranty is given; refer to the file DISCLAIMER.PD within this package.
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*/
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#ifndef _INC_CRTDEFS_MACRO
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#define _INC_CRTDEFS_MACRO
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#define __STRINGIFY(x) #x
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#define __MINGW64_STRINGIFY(x) \
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__STRINGIFY(x)
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#define __MINGW64_VERSION_MAJOR 11
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#define __MINGW64_VERSION_MINOR 0
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#define __MINGW64_VERSION_BUGFIX 0
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/* This macro holds an monotonic increasing value, which indicates
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a specific fix/patch is present on trunk. This value isn't related to
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minor/major version-macros. It is increased on demand, if a big
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fix was applied to trunk. This macro gets just increased on trunk. For
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other branches its value won't be modified. */
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#define __MINGW64_VERSION_RC 0
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#define __MINGW64_VERSION_STR \
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__MINGW64_STRINGIFY(__MINGW64_VERSION_MAJOR) \
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"." \
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__MINGW64_STRINGIFY(__MINGW64_VERSION_MINOR) \
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"." \
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__MINGW64_STRINGIFY(__MINGW64_VERSION_BUGFIX)
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#define __MINGW64_VERSION_STATE "alpha"
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/* mingw.org's version macros: these make gcc to define
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MINGW32_SUPPORTS_MT_EH and to use the _CRT_MT global
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and the __mingwthr_key_dtor() function from the MinGW
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CRT in its private gthr-win32.h header. */
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#define __MINGW32_MAJOR_VERSION 3
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#define __MINGW32_MINOR_VERSION 11
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/* Set VC specific compiler target macros. */
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#if defined(__x86_64) && defined(_X86_)
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# undef _X86_ /* _X86_ is not for __x86_64 */
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#endif
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#if defined(_X86_) && !defined(_M_IX86) && !defined(_M_IA64) \
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&& !defined(_M_AMD64) && !defined(__x86_64)
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# if defined(__i486__)
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# define _M_IX86 400
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# elif defined(__i586__)
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# define _M_IX86 500
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# elif defined(__i686__)
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# define _M_IX86 600
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# else
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# define _M_IX86 300
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# endif
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#endif /* if defined(_X86_) && !defined(_M_IX86) && !defined(_M_IA64) ... */
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#if defined(__x86_64) && !defined(_M_IX86) && !defined(_M_IA64) \
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&& !defined(_M_AMD64)
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# define _M_AMD64 100
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# define _M_X64 100
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#endif
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#if defined(__ia64__) && !defined(_M_IX86) && !defined(_M_IA64) \
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&& !defined(_M_AMD64) && !defined(_X86_) && !defined(__x86_64)
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# define _M_IA64 100
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#endif
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#if defined(__arm__) && !defined(_M_ARM) && !defined(_M_ARMT) \
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&& !defined(_M_THUMB)
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# define _M_ARM 100
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# define _M_ARMT 100
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# define _M_THUMB 100
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# ifndef _ARM_
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# define _ARM_ 1
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# endif
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# ifndef _M_ARM_NT
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# define _M_ARM_NT 1
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# endif
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#endif
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#if defined(__aarch64__) && !defined(_M_ARM64)
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# define _M_ARM64 1
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# ifndef _ARM64_
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# define _ARM64_ 1
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# endif
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#endif
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#ifndef _X86_
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/* MS does not prefix symbols by underscores for 64-bit. */
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# ifndef __MINGW_USE_UNDERSCORE_PREFIX
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/* As we have to support older gcc version, which are using underscores
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as symbol prefix for x64, we have to check here for the user label
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prefix defined by gcc. */
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# ifdef __USER_LABEL_PREFIX__
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# pragma push_macro ("_")
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# undef _
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# define _ 1
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# if (__USER_LABEL_PREFIX__ + 0) != 0
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# define __MINGW_USE_UNDERSCORE_PREFIX 1
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# else
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# define __MINGW_USE_UNDERSCORE_PREFIX 0
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# endif
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# undef _
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# pragma pop_macro ("_")
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# else /* ! __USER_LABEL_PREFIX__ */
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# define __MINGW_USE_UNDERSCORE_PREFIX 0
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# endif /* __USER_LABEL_PREFIX__ */
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# endif
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#else /* ! ifndef _X86_ */
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/* For x86 we have always to prefix by underscore. */
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# undef __MINGW_USE_UNDERSCORE_PREFIX
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# define __MINGW_USE_UNDERSCORE_PREFIX 1
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#endif /* ifndef _X86_ */
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#if __MINGW_USE_UNDERSCORE_PREFIX == 0
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# define __MINGW_IMP_SYMBOL(sym) __imp_##sym
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# define __MINGW_IMP_LSYMBOL(sym) __imp_##sym
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# define __MINGW_USYMBOL(sym) sym
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# define __MINGW_LSYMBOL(sym) _##sym
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#else /* ! if __MINGW_USE_UNDERSCORE_PREFIX == 0 */
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# define __MINGW_IMP_SYMBOL(sym) _imp__##sym
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# define __MINGW_IMP_LSYMBOL(sym) __imp__##sym
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# define __MINGW_USYMBOL(sym) _##sym
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# define __MINGW_LSYMBOL(sym) sym
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#endif /* if __MINGW_USE_UNDERSCORE_PREFIX == 0 */
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#define __MINGW_ASM_CALL(func) __asm__(__MINGW64_STRINGIFY(__MINGW_USYMBOL(func)))
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#define __MINGW_ASM_CRT_CALL(func) __asm__(__STRINGIFY(func))
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#ifndef __PTRDIFF_TYPE__
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# ifdef _WIN64
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# define __PTRDIFF_TYPE__ long long int
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# else
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# define __PTRDIFF_TYPE__ long int
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# endif
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#endif
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#ifndef __SIZE_TYPE__
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# ifdef _WIN64
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# define __SIZE_TYPE__ long long unsigned int
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# else
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# define __SIZE_TYPE__ long unsigned int
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# endif
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#endif
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#ifndef __WCHAR_TYPE__
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# define __WCHAR_TYPE__ unsigned short
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#endif
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#ifndef __WINT_TYPE__
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# define __WINT_TYPE__ unsigned short
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#endif
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#undef __MINGW_EXTENSION
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#ifdef __WIDL__
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# define __MINGW_EXTENSION
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#else
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# if defined(__GNUC__) || defined(__GNUG__)
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# define __MINGW_EXTENSION __extension__
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# else
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# define __MINGW_EXTENSION
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# endif
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#endif /* __WIDL__ */
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/* Special case nameless struct/union. */
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#ifndef __C89_NAMELESS
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# define __C89_NAMELESS __MINGW_EXTENSION
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# define __C89_NAMELESSSTRUCTNAME
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# define __C89_NAMELESSSTRUCTNAME1
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# define __C89_NAMELESSSTRUCTNAME2
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# define __C89_NAMELESSSTRUCTNAME3
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# define __C89_NAMELESSSTRUCTNAME4
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# define __C89_NAMELESSSTRUCTNAME5
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# define __C89_NAMELESSUNIONNAME
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# define __C89_NAMELESSUNIONNAME1
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# define __C89_NAMELESSUNIONNAME2
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# define __C89_NAMELESSUNIONNAME3
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# define __C89_NAMELESSUNIONNAME4
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# define __C89_NAMELESSUNIONNAME5
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# define __C89_NAMELESSUNIONNAME6
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# define __C89_NAMELESSUNIONNAME7
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# define __C89_NAMELESSUNIONNAME8
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#endif
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#ifndef __GNU_EXTENSION
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# define __GNU_EXTENSION __MINGW_EXTENSION
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#endif
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/* MinGW-w64 has some additional C99 printf/scanf feature support.
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So we add some helper macros to ease recognition of them. */
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#define __MINGW_HAVE_ANSI_C99_PRINTF 1
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#define __MINGW_HAVE_WIDE_C99_PRINTF 1
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#define __MINGW_HAVE_ANSI_C99_SCANF 1
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#define __MINGW_HAVE_WIDE_C99_SCANF 1
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#ifdef __MINGW_USE_BROKEN_INTERFACE
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# define __MINGW_POISON_NAME(__IFACE) __IFACE
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#else
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# define __MINGW_POISON_NAME(__IFACE) \
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__IFACE##_layout_has_not_been_verified_and_its_declaration_is_most_likely_incorrect
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#endif
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#ifndef __MSABI_LONG
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# ifndef __LP64__
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# define __MSABI_LONG(x) x ## l
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# else
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# define __MSABI_LONG(x) x
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# endif
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#endif
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#if __GNUC__
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# define __MINGW_GCC_VERSION (__GNUC__ * 10000 + \
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__GNUC_MINOR__ * 100 + \
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__GNUC_PATCHLEVEL__)
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#else
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# define __MINGW_GCC_VERSION 0
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#endif
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#if defined (__GNUC__) && defined (__GNUC_MINOR__)
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# define __MINGW_GNUC_PREREQ(major, minor) \
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(__GNUC__ > (major) \
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|| (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
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#else
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# define __MINGW_GNUC_PREREQ(major, minor) 0
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#endif
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#if defined (_MSC_VER)
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# define __MINGW_MSC_PREREQ(major, minor) \
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(_MSC_VER >= (major * 100 + minor * 10))
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#else
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# define __MINGW_MSC_PREREQ(major, minor) 0
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#endif
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#ifdef __MINGW_MSVC_COMPAT_WARNINGS
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# if __MINGW_GNUC_PREREQ (4, 5)
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# define __MINGW_ATTRIB_DEPRECATED_STR(X) \
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__attribute__ ((__deprecated__ (X)))
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# else
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# define __MINGW_ATTRIB_DEPRECATED_STR(X) \
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__MINGW_ATTRIB_DEPRECATED
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# endif
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#else
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# define __MINGW_ATTRIB_DEPRECATED_STR(X)
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#endif /* ifdef __MINGW_MSVC_COMPAT_WARNINGS */
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#define __MINGW_SEC_WARN_STR \
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"This function or variable may be unsafe, use _CRT_SECURE_NO_WARNINGS to disable deprecation"
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#define __MINGW_MSVC2005_DEPREC_STR \
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"This POSIX function is deprecated beginning in Visual C++ 2005, use _CRT_NONSTDC_NO_DEPRECATE to disable deprecation"
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#if !defined (_CRT_NONSTDC_NO_DEPRECATE)
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# define __MINGW_ATTRIB_DEPRECATED_MSVC2005 \
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__MINGW_ATTRIB_DEPRECATED_STR(__MINGW_MSVC2005_DEPREC_STR)
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#else
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# define __MINGW_ATTRIB_DEPRECATED_MSVC2005
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#endif
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#if !defined (_CRT_SECURE_NO_WARNINGS) || (_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES == 0)
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# define __MINGW_ATTRIB_DEPRECATED_SEC_WARN \
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__MINGW_ATTRIB_DEPRECATED_STR(__MINGW_SEC_WARN_STR)
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#else
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# define __MINGW_ATTRIB_DEPRECATED_SEC_WARN
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#endif
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#define __MINGW_MS_PRINTF(__format,__args) \
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__attribute__((__format__(ms_printf, __format,__args)))
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#define __MINGW_MS_SCANF(__format,__args) \
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__attribute__((__format__(ms_scanf, __format,__args)))
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#define __MINGW_GNU_PRINTF(__format,__args) \
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__attribute__((__format__(gnu_printf,__format,__args)))
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#define __MINGW_GNU_SCANF(__format,__args) \
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__attribute__((__format__(gnu_scanf, __format,__args)))
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#undef __mingw_ovr
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#undef __mingw_static_ovr
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#ifdef __cplusplus
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# define __mingw_ovr inline __cdecl
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# define __mingw_static_ovr static __mingw_ovr
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#elif defined (__GNUC__)
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# define __mingw_ovr static \
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__attribute__ ((__unused__)) __inline__ __cdecl
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# define __mingw_static_ovr __mingw_ovr
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#else
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# define __mingw_ovr static __cdecl
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# define __mingw_static_ovr __mingw_ovr
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#endif /* __cplusplus */
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#if __MINGW_GNUC_PREREQ(4, 3) || defined(__clang__)
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# define __mingw_attribute_artificial \
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__attribute__((__artificial__))
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#else
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# define __mingw_attribute_artificial
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#endif
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#define __MINGW_SELECTANY __attribute__((__selectany__))
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#if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 && __MINGW_GNUC_PREREQ(4, 1)
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# if _FORTIFY_SOURCE > 1
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# define __MINGW_FORTIFY_LEVEL 2
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# else
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# define __MINGW_FORTIFY_LEVEL 1
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# endif
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#else
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# define __MINGW_FORTIFY_LEVEL 0
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#endif
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#if __MINGW_FORTIFY_LEVEL > 0
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/* Calling an function with __attribute__((__warning__("...")))
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from a system include __inline__ function does not print
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a warning unless caller has __attribute__((__artificial__)). */
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# define __mingw_bos_declare \
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void __cdecl __chk_fail(void) __attribute__((__noreturn__)); \
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void __cdecl __mingw_chk_fail_warn(void) __MINGW_ASM_CALL(__chk_fail) \
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__attribute__((__noreturn__)) \
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__attribute__((__warning__("Buffer overflow detected")))
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# define __mingw_bos(p, maxtype) \
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__builtin_object_size((p), ((maxtype) > 0) && (__MINGW_FORTIFY_LEVEL > 1))
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# define __mingw_bos_known(p) \
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(__mingw_bos(p, 0) != (size_t)-1)
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# define __mingw_bos_cond_chk(c) \
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(__builtin_expect((c), 1) ? (void)0 : __chk_fail())
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# define __mingw_bos_ptr_chk(p, n, maxtype) \
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__mingw_bos_cond_chk(!__mingw_bos_known(p) || __mingw_bos(p, maxtype) >= (size_t)(n))
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# define __mingw_bos_ptr_chk_warn(p, n, maxtype) \
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(__mingw_bos_known(p) && __builtin_constant_p((n)) && __mingw_bos(p, maxtype) < (size_t)(n) \
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? __mingw_chk_fail_warn() : __mingw_bos_ptr_chk(p, n, maxtype))
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# define __mingw_bos_ovr __mingw_ovr \
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__attribute__((__always_inline__)) \
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__mingw_attribute_artificial
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# define __mingw_bos_extern_ovr extern __inline__ __cdecl \
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__attribute__((__always_inline__, __gnu_inline__)) \
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__mingw_attribute_artificial
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#else
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# define __mingw_bos_ovr __mingw_ovr
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#endif /* __MINGW_FORTIFY_LEVEL > 0 */
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/* If _FORTIFY_SOURCE is enabled, some inline functions may use
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__builtin_va_arg_pack(). GCC may report an error if the address
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of such a function is used. Set _FORTIFY_VA_ARG=0 in this case.
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Clang doesn't, as of version 15, yet implement __builtin_va_arg_pack(). */
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#if __MINGW_FORTIFY_LEVEL > 0 && __MINGW_GNUC_PREREQ(4, 3) && !defined(__clang__) \
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&& (!defined(_FORTIFY_VA_ARG) || _FORTIFY_VA_ARG > 0)
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# define __MINGW_FORTIFY_VA_ARG 1
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#else
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# define __MINGW_FORTIFY_VA_ARG 0
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#endif
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/* Enable workaround for ABI incompatibility on affected platforms */
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#ifndef WIDL_EXPLICIT_AGGREGATE_RETURNS
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#if defined(__GNUC__) && defined(__cplusplus)
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#define WIDL_EXPLICIT_AGGREGATE_RETURNS
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#endif
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#endif
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#endif /* _INC_CRTDEFS_MACRO */
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