X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=compiler.h;h=2f76b1d31a8f82f758b47ae04240937564d836b9;hb=5f6b4b226d25c237d9d0831785f19acd1d7fb316;hp=b7c78f11d59016eb973994a928890027d53db719;hpb=78af5b91002a94c63e33d1c6ccb6017b9362cb09;p=bertos.git diff --git a/compiler.h b/compiler.h index b7c78f11..2f76b1d3 100755 --- a/compiler.h +++ b/compiler.h @@ -14,6 +14,36 @@ /*#* *#* $Log$ + *#* Revision 1.33 2004/11/16 23:09:40 bernie + *#* size_t: Add 64bit definitions; time_t: Add 16bit hack for tiny CPUs. + *#* + *#* Revision 1.32 2004/11/16 22:42:44 bernie + *#* Doxygen fixes. + *#* + *#* Revision 1.31 2004/11/16 22:37:28 bernie + *#* IPTR: Remove obsolete definition. + *#* + *#* Revision 1.30 2004/11/16 22:30:19 bernie + *#* Declare fixed-size types before other types. + *#* + *#* Revision 1.29 2004/11/16 20:34:40 bernie + *#* UNUSED_VAR, USED_VAR, USED_FUNC: New macros; UNUSED_ARG: Rename from UNUSED. + *#* + *#* Revision 1.28 2004/10/21 11:03:52 bernie + *#* Typo. + *#* + *#* Revision 1.27 2004/10/21 10:09:40 bernie + *#* Remove spurious token in preprocessor directive. + *#* + *#* Revision 1.26 2004/10/19 08:55:14 bernie + *#* UNUSED_FUNC: New function attribute. + *#* + *#* Revision 1.25 2004/10/19 07:14:20 bernie + *#* Add macros to test for specific compiler features. + *#* + *#* Revision 1.24 2004/10/03 18:35:13 bernie + *#* Poison C++ keywords in C programs for better portability. + *#* *#* Revision 1.23 2004/09/20 03:30:27 bernie *#* Remove vsprintf_P() proto, no longer needed with avr-libc 1.0.4. *#* @@ -157,15 +187,24 @@ #elif defined(__GNUC__) + /* Compiler features */ + #define COMPILER_VARIADIC_MACROS 1 /* Even in C++ */ + #define COMPILER_TYPEOF 1 + #define COMPILER_STATEMENT_EXPRESSIONS 1 + /* GCC attributes */ #define FORMAT(type,fmt,first) __attribute__((__format__(type, fmt, first))) #define NORETURN __attribute__((__noreturn__)) - #define UNUSED(type,arg) __attribute__((__unused__)) type arg + #define UNUSED_ARG(type,arg) __attribute__((__unused__)) type arg + #define UNUSED_VAR(type,name) __attribute__((__unused__)) type name + #define USED_VAR(type,name) __attribute__((__used__)) type name #define INLINE static inline __attribute__((__always_inline__)) #define LIKELY(x) __builtin_expect(!!(x), 1) #define UNLIKELY(x) __builtin_expect(!!(x), 0) #define PURE_FUNC __attribute__((pure)) #define CONST_FUNC __attribute__((const)) + #define UNUSED_FUNC __attribute__((unused)) + #define USED_FUNC __attribute__((__used__)) #define RESTRICT __restrict__ #define MUST_CHECK __attribute__((warn_unused_result)) #if GNUC_PREREQ(3,1) @@ -195,8 +234,23 @@ #endif + #ifndef __cplusplus + /* + * Disallow some C++ keywords as identifiers in C programs, + * for improved portability. + */ + #pragma GCC poison new delete class template typename + #pragma GCC poison private protected public operator + #pragma GCC poison friend mutable using namespace + #pragma GCC poison cin cout cerr clog + #endif + #elif defined(__MWERKS__) && CPU_DSP56K + /* Compiler features */ + #define COMPILER_TYPEOF 1 + #define COMPILER_STATEMENT_EXPRESSIONS 1 + #include #include #include @@ -210,6 +264,32 @@ #endif +/* Defaults for compiler extensions. */ + +/*! + * \def COMPILER_VARIADIC_MACROS + * Support for macros with variable arguments. + */ +#ifndef COMPILER_HAVE_VARIADIC_MACROS +#define COMPILER_HAVE_VARIADIC_MACROS (COMPILER_C99 != 0) +#endif + +/*! + * \def COMPILER_TYPEOF + * Support for macros with variable arguments. + */ +#ifndef COMPILER_TYPEOF +#define COMPILER_TYPEOF 0 +#endif + +/*! + * \def COMPILER_STATEMENT_EXPRESSIONS + * Support for macros with variable arguments. + */ +#ifndef COMPILER_STATEMENT_EXPRESSIONS +#define COMPILER_STATEMENT_EXPRESSIONS 0 +#endif + /* A few defaults for missing compiler features. */ #ifndef INLINE #define INLINE static inline @@ -223,8 +303,15 @@ #ifndef DEPRECATED #define DEPRECATED /* nothing */ #endif -#ifndef UNUSED -#define UNUSED(type,arg) type arg +#ifndef UNUSED_ARG +#define UNUSED_ARG(type,arg) type arg +#endif +#define UNUSED UNUSED_ARG /* OBSOLETE */ +#ifndef UNUSED_VAR +#define UNUSED_VAR(type,name) type name +#endif +#ifndef USED_VAR +#define USED_VAR(type,name) type name #endif #ifndef REGISTER #define REGISTER /* nothing */ @@ -244,6 +331,12 @@ #ifndef CONST_FUNC #define CONST_FUNC /* nothing */ #endif +#ifndef UNUSED_FUNC +#define UNUSED_FUNC /* nothing */ +#endif +#ifndef USED_FUNC +#define USED_FUNC /* nothing */ +#endif #ifndef RESTRICT #define RESTRICT /* nothing */ #endif @@ -287,28 +380,6 @@ #endif -/* - * Standard type definitions. - * These should be in , but many compilers lack them. - */ -#if !(defined(size_t) || defined(_SIZE_T_DEFINED)) - typedef unsigned int size_t; - typedef int ssize_t; -#endif -#if !(defined(_TIME_T_DEFINED) || defined(__time_t_defined)) - typedef long time_t; -#endif /* _TIME_T_DEFINED || __time_t_defined */ - -/*! Bulk storage large enough for both pointers or integers */ -typedef void * iptr_t; -typedef const void * const_iptr_t; -#define IPTR iptr_t /* OBSOLETE */ - -typedef long utime_t; /*!< Type for time expressed in microseconds */ -typedef unsigned char sig_t; /*!< Type for signal bits */ -typedef unsigned char sigset_t; /*!< Type for signal masks */ -typedef unsigned char page_t; /*!< Type for banked memory pages */ - #if (defined(_MSC_VER) || defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__)) /*! * \name ISO C99 fixed-size types @@ -331,6 +402,52 @@ typedef unsigned char page_t; /*!< Type for banked memory pages */ #include #endif + +/* + * \name Standard type definitions. + * + * These should be in , but many compilers lack them. + * + * \{ + */ +#if !(defined(size_t) || defined(_SIZE_T_DEFINED)) + #if CPU_REG_BITS > 32 + /* 64bit. */ + typedef unsigned long size_t; + typedef long ssize_t; + #else + /* 32bit or 16bit. */ + typedef unsigned int size_t; + typedef int ssize_t; + #endif +#endif +#if !(defined(_TIME_T_DEFINED) || defined(__time_t_defined)) + /* + * The ATmega8 has a very small Flash, so we can't afford to + * link in support routines for 32bit integer arithmetic. + */ + #if CPU_AVR_ATMEGA8 + typedef int time_t; /* 16bit. */ + #define SIZEOF_TIME_T SIZEOF_INT + #else + typedef long time_t; /* 32bit or 64bit. */ + #define SIZEOF_TIME_T SIZEOF_LONG + #endif +#else + /* Just a guess, but quite safe. */ + #define SIZEOF_TIME_T SIZEOF_LONG +#endif /* _TIME_T_DEFINED || __time_t_defined */ +/*\}*/ + +/*! Bulk storage large enough for both pointers or integers. */ +typedef void * iptr_t; +typedef const void * const_iptr_t; + +typedef long utime_t; /*!< Type for time expressed in microseconds. */ +typedef unsigned char sig_t; /*!< Type for signal bits. */ +typedef unsigned char sigset_t; /*!< Type for signal masks. */ +typedef unsigned char page_t; /*!< Type for banked memory pages. */ + /*! * \name Types for hardware registers. * @@ -371,6 +488,6 @@ typedef unsigned char page_t; /*!< Type for banked memory pages */ /*! Issue a compilation error if the \a condition is false */ #define STATIC_ASSERT(condition) \ - extern char PP_CAT(CT_ASSERT___, __LINE__)[(condition) ? 1 : -1] + UNUSED_VAR(extern char,PP_CAT(CT_ASSERT___, __LINE__)[(condition) ? 1 : -1]) #endif /* DEVLIB_COMPILER_H */