X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=cfg%2Fcompiler.h;h=96745521fe864280d5f9db85879db290a4bd3e5a;hb=faed9d33b0a6bd6c2376e313fa3b73512c545caa;hp=f0f3285e19744c12be272ce0f6cd01a742444f94;hpb=00d63661f45019b60d2ae51de2354c193a0b6997;p=bertos.git diff --git a/cfg/compiler.h b/cfg/compiler.h old mode 100755 new mode 100644 index f0f3285e..96745521 --- a/cfg/compiler.h +++ b/cfg/compiler.h @@ -1,9 +1,34 @@ -/*! +/** * \file * * * \brief Additional support macros for compiler independance @@ -12,63 +37,10 @@ * \author Bernardo Innocenti */ -/*#* - *#* $Log$ - *#* Revision 1.12 2006/02/21 16:06:31 bernie - *#* Fix ssize_t redefinitions on glibc systems. - *#* - *#* Revision 1.11 2006/02/20 14:34:58 bernie - *#* Use portable type checking. - *#* - *#* Revision 1.10 2006/02/15 09:12:01 bernie - *#* Fixes for ARM/IAR support. - *#* - *#* Revision 1.9 2006/02/10 12:38:00 bernie - *#* Add support for ARM on IAR. - *#* - *#* Revision 1.8 2006/01/16 03:27:49 bernie - *#* Rename sig_t to sigbit_t to avoid clash with POSIX. - *#* - *#* Revision 1.7 2005/11/27 23:33:05 bernie - *#* Drop avr-libc hack for missing stdint.h. - *#* - *#* Revision 1.6 2005/07/19 07:27:31 bernie - *#* Don't use CPU_REG_BITS from cpu.h to avoid circular header dependendy. - *#* - *#* Revision 1.5 2005/06/27 21:24:37 bernie - *#* ticks_t: New typedef. - *#* - *#* Revision 1.4 2005/06/14 06:15:10 bernie - *#* Add X86_64 support. - *#* - *#* Revision 1.3 2005/04/12 01:37:01 bernie - *#* Metrowerks touchups from HeCo. - *#* - *#* Revision 1.2 2005/04/11 19:10:27 bernie - *#* Include top-level headers from cfg/ subdir. - *#* - *#* Revision 1.1 2005/04/11 19:04:13 bernie - *#* Move top-level headers to cfg/ subdir. - *#* - *#* Revision 1.44 2005/03/29 06:39:59 bernie - *#* setjmp.h, time_t: Remove ancient retrocompatibility; Remove MSVC double to float hack. - *#* - *#* Revision 1.43 2005/03/01 23:15:12 bernie - *#* Remove compatibility hack. - *#* - *#* Revision 1.42 2005/02/16 20:28:46 bernie - *#* Move PGM macros to mware/pgm.h - *#* - *#* Revision 1.41 2005/01/22 04:19:22 bernie - *#* MTIME_INFINITE: New constant. - *#* - *#* Revision 1.40 2005/01/20 18:46:04 aleph - *#* Add progmem datatypes; PSTR() definition. - *#*/ #ifndef DEVLIB_COMPILER_H #define DEVLIB_COMPILER_H -#include +#include #if defined __GNUC__ && defined __GNUC_MINOR__ @@ -90,14 +62,14 @@ #endif -/*! Concatenate two different preprocessor tokens (allowing macros to expand) */ +/** Concatenate two different preprocessor tokens (allowing macros to expand) */ #define PP_CAT(x,y) PP_CAT__(x,y) #define PP_CAT__(x,y) x ## y #define PP_CAT3(x,y,z) PP_CAT(PP_CAT(x,y),z) #define PP_CAT4(x,y,z,w) PP_CAT(PP_CAT3(x,y,z),w) #define PP_CAT5(x,y,z,w,j) PP_CAT(PP_CAT4(x,y,z,w),j) -/*! String-ize a token (allowing macros to expand) */ +/** String-ize a token (allowing macros to expand) */ #define PP_STRINGIZE(x) PP_STRINGIZE__(x) #define PP_STRINGIZE__(x) #x @@ -178,6 +150,14 @@ #define snprintf _snprintf #define vsnprintf _vsnprintf + /* MSVC doesn't support C99's __func__, but has a similar extension. */ + #define __func__ __FUNCTION__ + + /* MSVC doesn't support C99's inline keyword */ + #ifndef __cplusplus + #define INLINE __inline + #endif + #elif defined(__GNUC__) /* Compiler features */ @@ -200,6 +180,7 @@ #define USED_FUNC __attribute__((__used__)) #define RESTRICT __restrict__ #define MUST_CHECK __attribute__((warn_unused_result)) + #define PACKED __attribute__((packed)) #if GNUC_PREREQ(3,1) #define DEPRECATED __attribute__((__deprecated__)) #endif @@ -215,7 +196,9 @@ #include #include #include + #if !CPU_AVR #include /* for ssize_t */ + #endif #ifndef __cplusplus /* @@ -253,7 +236,7 @@ /* Defaults for compiler extensions. */ -/*! +/** * \def COMPILER_VARIADIC_MACROS * Support for macros with variable arguments. */ @@ -261,7 +244,7 @@ #define COMPILER_VARIADIC_MACROS (COMPILER_C99 != 0) #endif -/*! +/** * \def COMPILER_TYPEOF * Support for dynamic type identification. */ @@ -269,7 +252,7 @@ #define COMPILER_TYPEOF 0 #endif -/*! +/** * \def COMPILER_STATEMENT_EXPRESSIONS * Support for statement expressions. */ @@ -303,9 +286,6 @@ #ifndef REGISTER #define REGISTER /* nothing */ #endif -#ifndef INTERRUPT -#define INTERRUPT(x) ERROR_NOT_IMPLEMENTED -#endif #ifndef LIKELY #define LIKELY(x) x #endif @@ -330,6 +310,10 @@ #ifndef MUST_CHECK #define MUST_CHECK /* nothing */ #endif +#ifndef PACKED +#define PACKED /* nothing */ +#endif + /* Misc definitions */ #ifndef NULL @@ -345,18 +329,20 @@ #define EXTERN_C extern "C" #define EXTERN_C_BEGIN extern "C" { #define EXTERN_C_END } - #define EXTERN_CONST extern const + #define EXTERN_CONST extern const + #define CONST_CAST(TYPE,EXPR) (const_cast(EXPR)) #else #define EXTERN_C extern #define EXTERN_C_BEGIN /* nothing */ #define EXTERN_C_END /* nothing */ - #define EXTERN_CONST const + #define EXTERN_CONST const + #define CONST_CAST(TYPE,EXPR) ((TYPE)(EXPR)) /* FIXME: How can we suppress the warning in C? */ #endif -#if defined(_MSC_VER) +#if defined(_MSC_VER) \ || ((defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__)) && CPU_I196) - /*! + /** * \name ISO C99 fixed-size types * * These should be in , but a few compilers lack them. @@ -387,33 +373,38 @@ * The ATmega8 has a very small Flash, so we can't afford * to link in support routines for 32bit integer arithmetic. */ - typedef int16_t ticks_t; /*!< Type for time expressed in ticks. */ - typedef int16_t mtime_t; /*!< Type for time expressed in milliseconds. */ - typedef int16_t utime_t; /*!< Type for time expressed in microseconds. */ + typedef int16_t ticks_t; /**< Type for time expressed in ticks. */ + typedef int16_t mtime_t; /**< Type for time expressed in milliseconds. */ + typedef int16_t utime_t; /**< Type for time expressed in microseconds. */ #define SIZEOF_MTIME_T (16 / CPU_BITS_PER_CHAR) #define SIZEOF_UTIME_T (16 / CPU_BITS_PER_CHAR) #define MTIME_INFINITE 0x7FFFL #else - typedef int32_t ticks_t; /*!< Type for time expressed in ticks. */ - typedef int32_t mtime_t; /*!< Type for time expressed in milliseconds. */ - typedef int32_t utime_t; /*!< Type for time expressed in microseconds. */ - #define SIZEOF_MTIME_T (32 / CPU_BITS_PER_CHAR) + typedef int32_t ticks_t; /**< Type for time expressed in ticks. */ + + typedef int32_t utime_t; /**< Type for time expressed in microseconds. */ #define SIZEOF_UTIME_T (32 / CPU_BITS_PER_CHAR) - #define MTIME_INFINITE 0x7FFFFFFFL + + #ifndef DEVLIB_MTIME_DEFINED + #define DEVLIB_MTIME_DEFINED 1 /* Resolve conflict with */ + typedef int32_t mtime_t; /**< Type for time expressed in milliseconds. */ + #define SIZEOF_MTIME_T (32 / CPU_BITS_PER_CHAR) + #define MTIME_INFINITE 0x7FFFFFFFL + #endif #endif -/*! Bulk storage large enough for both pointers or integers. */ +/** Bulk storage large enough for both pointers or integers. */ typedef void * iptr_t; -/*! Bulk storage large enough for both pointers to constants or integers. */ +/** Bulk storage large enough for both pointers to constants or integers. */ typedef const void * const_iptr_t; -typedef unsigned char sigbit_t; /*!< Type for signal bits. */ -typedef unsigned char sigmask_t; /*!< Type for signal masks. */ -typedef unsigned char page_t; /*!< Type for banked memory pages. */ +typedef unsigned char sigbit_t; /**< Type for signal bits. */ +typedef unsigned char sigmask_t; /**< Type for signal masks. */ +typedef unsigned char page_t; /**< Type for banked memory pages. */ -/*! +/** * \name Standard type definitions. * * These should be in or , but many compilers @@ -422,7 +413,7 @@ typedef unsigned char page_t; /*!< Type for banked memory pages. */ * We check for some common definitions to avoid redefinitions: * * glibc, avr-libc: _SIZE_T_DEFINED, __ssize_t_defined - * Darwin libc: _BSD_SIZE_T_DEFINED_ + * Darwin libc: _BSD_SIZE_T_DEFINED_, _SIZE_T * IAR ARM: _SIZE_T * * \{ @@ -437,7 +428,7 @@ typedef unsigned char page_t; /*!< Type for banked memory pages. */ #endif #endif -#if !(defined(ssize_t) || defined(__ssize_t_defined)) +#if !(defined(ssize_t) || defined(_SSIZE_T) || defined(__ssize_t_defined)) #if CPU_X86 /* 32bit or 64bit (32bit for _WIN64). */ typedef long ssize_t; @@ -453,7 +444,7 @@ typedef unsigned char page_t; /*!< Type for banked memory pages. */ /*\}*/ -/*! +/** * \name Types for hardware registers. * * Only use these types for registers whose contents can @@ -474,7 +465,7 @@ typedef unsigned char page_t; /*!< Type for banked memory pages. */ /* Quasi-ANSI macros */ #ifndef offsetof - /*! + /** * Return the byte offset of the member \a m in struct \a s. * * \note This macro should be defined in "stddef.h" and is sometimes @@ -483,7 +474,7 @@ typedef unsigned char page_t; /*!< Type for banked memory pages. */ #define offsetof(s,m) (size_t)&(((s *)0)->m) #endif #ifndef countof - /*! + /** * Count the number of elements in the static array \a a. * * \note This macro is non-standard, but implements a very common idiom @@ -491,20 +482,37 @@ typedef unsigned char page_t; /*!< Type for banked memory pages. */ #define countof(a) (sizeof(a) / sizeof(*(a))) #endif -/*! Issue a compilation error if the \a condition is false */ +/** + * Cast a member of a structure out to the containing structure. + * + * \param ptr the pointer to the member. + * \param type the type of the container struct this is embedded in. + * \param member the name of the member within the struct. + */ +#if COMPILER_TYPEOF && COMPILER_STATEMENT_EXPRESSIONS + #define containerof(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *_mptr = (ptr); /* type check */ \ + (type *)((char *)_mptr - offsetof(type, member)); \ + }) +#else + #define containerof(ptr, type, member) \ + ( (type *)((char *)(ptr) - offsetof(type, member)) ) +#endif + +/** Issue a compilation error if the \a condition is false */ #define STATIC_ASSERT(condition) \ UNUSED_VAR(extern char, STATIC_ASSERTION_FAILED__[(condition) ? 1 : -1]) #ifndef ASSERT_TYPE_EQUAL -/*! Ensure two variables have the same type. */ -#define ASSERT_TYPE_EQUAL(var1, var2) \ - do { (void)(&(var1) == &(var2)); } while(0) + /** Ensure two variables have the same type. */ + #define ASSERT_TYPE_EQUAL(var1, var2) \ + do { (void)(&(var1) == &(var2)); } while(0) #endif #ifndef ASSERT_TYPE_IS -/*! Ensure variable is of specified type. */ -#define ASSERT_TYPE_IS(var, type) \ - do { (void)(&var == (type *)0); } while(0) + /** Ensure variable is of specified type. */ + #define ASSERT_TYPE_IS(var, type) \ + do { (void)(&(var) == (type *)0); } while(0) #endif #endif /* DEVLIB_COMPILER_H */