X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fansidecl.h;h=04c3a30bb53bfa3204d61983d16b23067aea5f14;hb=01926a693560658e7293190549a9c2cee946811a;hp=9a7c5777ff2ece9641045ce4a6b6b90e93b3b3c7;hpb=2ee563b53258d390d7446e90a67f465d504ae44c;p=deliverable%2Fbinutils-gdb.git diff --git a/include/ansidecl.h b/include/ansidecl.h index 9a7c5777ff..04c3a30bb5 100644 --- a/include/ansidecl.h +++ b/include/ansidecl.h @@ -136,10 +136,13 @@ So instead we use the macro below and test it against specific values. */ #define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__) #endif /* GCC_VERSION */ -#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(_WIN32) +#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(_WIN32) || (defined(__alpha) && defined(__cplusplus)) /* All known AIX compilers implement these things (but don't always define __STDC__). The RISC/OS MIPS compiler defines these things in SVR4 mode, but does not define __STDC__. */ +/* eraxxon@alumni.rice.edu: The Compaq C++ compiler, unlike many other + C++ compilers, does not define __STDC__, though it acts as if this + was so. (Verified versions: 5.7, 6.2, 6.3, 6.5) */ #define ANSI_PROTOTYPES 1 #define PTR void * @@ -261,12 +264,42 @@ So instead we use the macro below and test it against specific values. */ #define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) #endif /* ATTRIBUTE_UNUSED */ +/* Before GCC 3.4, the C++ frontend couldn't parse attributes placed after the + identifier name. */ +#if ! defined(__cplusplus) || (GCC_VERSION >= 3004) +# define ARG_UNUSED(NAME) NAME ATTRIBUTE_UNUSED +#else /* !__cplusplus || GNUC >= 3.4 */ +# define ARG_UNUSED(NAME) NAME +#endif /* !__cplusplus || GNUC >= 3.4 */ + #ifndef ATTRIBUTE_NORETURN #define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) #endif /* ATTRIBUTE_NORETURN */ +/* Attribute `nonnull' was valid as of gcc 3.3. */ +#ifndef ATTRIBUTE_NONNULL +# if (GCC_VERSION >= 3003) +# define ATTRIBUTE_NONNULL(m) __attribute__ ((__nonnull__ (m))) +# else +# define ATTRIBUTE_NONNULL(m) +# endif /* GNUC >= 3.3 */ +#endif /* ATTRIBUTE_NONNULL */ + +/* Attribute `pure' was valid as of gcc 3.0. */ +#ifndef ATTRIBUTE_PURE +# if (GCC_VERSION >= 3000) +# define ATTRIBUTE_PURE __attribute__ ((__pure__)) +# else +# define ATTRIBUTE_PURE +# endif /* GNUC >= 3.0 */ +#endif /* ATTRIBUTE_PURE */ + +/* Use ATTRIBUTE_PRINTF when the format specifier must not be NULL. + This was the case for the `printf' format attribute by itself + before GCC 3.3, but as of 3.3 we need to add the `nonnull' + attribute to retain this behavior. */ #ifndef ATTRIBUTE_PRINTF -#define ATTRIBUTE_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n))) +#define ATTRIBUTE_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n))) ATTRIBUTE_NONNULL(m) #define ATTRIBUTE_PRINTF_1 ATTRIBUTE_PRINTF(1, 2) #define ATTRIBUTE_PRINTF_2 ATTRIBUTE_PRINTF(2, 3) #define ATTRIBUTE_PRINTF_3 ATTRIBUTE_PRINTF(3, 4) @@ -274,6 +307,30 @@ So instead we use the macro below and test it against specific values. */ #define ATTRIBUTE_PRINTF_5 ATTRIBUTE_PRINTF(5, 6) #endif /* ATTRIBUTE_PRINTF */ +/* Use ATTRIBUTE_NULL_PRINTF when the format specifier may be NULL. A + NULL format specifier was allowed as of gcc 3.3. */ +#ifndef ATTRIBUTE_NULL_PRINTF +# if (GCC_VERSION >= 3003) +# define ATTRIBUTE_NULL_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n))) +# else +# define ATTRIBUTE_NULL_PRINTF(m, n) +# endif /* GNUC >= 3.3 */ +# define ATTRIBUTE_NULL_PRINTF_1 ATTRIBUTE_NULL_PRINTF(1, 2) +# define ATTRIBUTE_NULL_PRINTF_2 ATTRIBUTE_NULL_PRINTF(2, 3) +# define ATTRIBUTE_NULL_PRINTF_3 ATTRIBUTE_NULL_PRINTF(3, 4) +# define ATTRIBUTE_NULL_PRINTF_4 ATTRIBUTE_NULL_PRINTF(4, 5) +# define ATTRIBUTE_NULL_PRINTF_5 ATTRIBUTE_NULL_PRINTF(5, 6) +#endif /* ATTRIBUTE_NULL_PRINTF */ + +/* Attribute `sentinel' was valid as of gcc 3.5. */ +#ifndef ATTRIBUTE_SENTINEL +# if (GCC_VERSION >= 3005) +# define ATTRIBUTE_SENTINEL __attribute__ ((__sentinel__)) +# else +# define ATTRIBUTE_SENTINEL +# endif /* GNUC >= 3.5 */ +#endif /* ATTRIBUTE_SENTINEL */ + /* We use __extension__ in some places to suppress -pedantic warnings about GCC extensions. This feature didn't work properly before gcc 2.8. */ @@ -281,15 +338,4 @@ So instead we use the macro below and test it against specific values. */ #define __extension__ #endif -/* Bootstrap support: Adjust certain macros defined by Autoconf, - which are only valid for the stage1 compiler. If we detect - a modern version of GCC, we are probably in stage2 or beyond, - so unconditionally reset the values. Note that const, inline, - etc. have been dealt with above. */ -#if (GCC_VERSION >= 2007) -# ifndef HAVE_LONG_DOUBLE -# define HAVE_LONG_DOUBLE 1 -# endif -#endif /* GCC >= 2.7 */ - #endif /* ansidecl.h */