X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=compiler.h;h=d0049e38186b3459e6e8233b85854e87c34eb61c;hb=9f411c91637c328ec9475ce6732df2e66c8b53de;hp=ebbfa4e128a345fa6d81096f77ad870a524a47c2;hpb=73234ad0e88035387cc355ca42ba66c63fd50ed1;p=bertos.git diff --git a/compiler.h b/compiler.h index ebbfa4e1..d0049e38 100755 --- a/compiler.h +++ b/compiler.h @@ -1,8 +1,8 @@ /*! * \file * * @@ -15,6 +15,41 @@ /* * $Log$ + * Revision 1.16 2004/08/14 19:37:57 rasky + * Merge da SC: macros.h, pool.h, BIT_CHANGE, nome dei processi, etc. + * + * Revision 1.15 2004/08/13 03:23:26 bernie + * Adjust a few MSVC tweaks from older projects. + * + * Revision 1.14 2004/08/10 06:56:29 bernie + * RESTRICT: New C99-like macro; STATIC_ASSERT: Fix warning for multiple invocation in one file. + * + * Revision 1.13 2004/08/02 20:20:29 aleph + * Merge from project_ks + * + * Revision 1.12 2004/08/01 01:21:17 bernie + * LIKELY(), UNLIKELY(): New compiler-specific macros. + * + * Revision 1.11 2004/07/30 14:34:10 rasky + * Vari fix per documentazione e commenti + * Aggiunte PP_CATn e STATIC_ASSERT + * + * Revision 1.10 2004/07/30 14:15:53 rasky + * Nuovo supporto unificato per detect della CPU + * + * Revision 1.9 2004/07/29 22:57:09 bernie + * vsprintf(): Remove prototype for backwards compatibility with GCC 3.4; ssize_t: Add definition for inferior compilers. + * + * Revision 1.8 2004/07/20 23:43:39 bernie + * Use attribute((always_inline)) to force inlining. This fixes the much + * hated need of redundant prototypes for inline functions. + * + * Revision 1.7 2004/07/20 23:26:48 bernie + * Fix two errors introduced by previous commit. + * + * Revision 1.6 2004/07/20 23:12:43 bernie + * *** empty log message *** + * * Revision 1.5 2004/07/20 17:08:03 bernie * Cleanup documentation * @@ -37,6 +72,7 @@ #define COMPILER_H #include "arch_config.h" +#include "cpu_detect.h" #if defined __GNUC__ && defined __GNUC_MINOR__ @@ -46,27 +82,16 @@ #define GNUC_PREREQ(maj, min) 0 #endif -/* A few defaults for missing compiler features. */ -#define INLINE static inline -#define NORETURN /* nothing */ -#define FORMAT(type,fmt,first) /* nothing */ -#define DEPRECATED /* nothing */ -#define UNUSED(type,arg) type arg -#define REGISTER /* nothing */ -#define INTERRUPT(x) ERROR_NOT_IMPLEMENTED - -/* Support for harvard architectures */ -#define PGM_READ_CHAR(s) (*(s)) -#define PGM_FUNC(x) x -#define PGM_ATTR /* nothing */ +#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) + #define COMPILER_C99 1 +#else + #define COMPILER_C99 0 +#endif #if defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__) #pragma language=extended - #undef INTERRUPT #define INTERRUPT(x) interrupt [x] - #undef REGISTER #define REGISTER shortad - #undef INLINE #define INLINE /* unsupported */ /* Imported from . Unfortunately, we can't just include @@ -106,18 +131,9 @@ #include #include /* for time_t */ - #define float double - - #ifdef __cplusplus - extern "C" { - #endif - void SchedulerIdle(void); - #ifdef __cplusplus - } - #endif - /* Ouch, ReleaseSemaphore() conflicts with a WIN32 call ;-( */ - #define ReleaseSemaphore KReleaseSemaphore + /* FIXME: I can't remember why exactly this was needed (NdBernie) */ + #define float double /* Fake bool support */ #ifndef __cplusplus @@ -126,23 +142,25 @@ typedef int bool; #endif /* !__cplusplus */ + /* These C99 functions are oddly named in MSVCRT32.lib */ + #define snprintf _snprintf + #define vsnprintf _vsnprintf + #elif defined(__GNUC__) /* GCC attributes */ - #undef FORMAT #define FORMAT(type,fmt,first) __attribute__((__format__(type, fmt, first))) - #undef NORETURN #define NORETURN __attribute__((__noreturn__)) - #undef UNUSED #define UNUSED(type,arg) __attribute__((__unused__)) type arg - #undef INLINE - #define INLINE extern inline + #define INLINE static inline __attribute__((__always_inline__)) + #define LIKELY(x) __builtin_expect((x), 1) + #define UNLIKELY(x) __builtin_expect((x), 0) + #define RESTRICT __restrict__ #if GNUC_PREREQ(3,1) - #undef DEPRECATED - #define DEPRECATED __attribute__((__deprecated__)) + #define DEPRECATED __attribute__((__deprecated__)) #endif - #if defined(__i386__) + #if CPU_X86 /* hack to avoid conflicts with system type */ #define sigset_t system_sigset_t @@ -151,15 +169,7 @@ #include #undef system_sigset_t - #ifdef __cplusplus - extern "C" { - #endif - void SchedulerIdle(void); - #ifdef __cplusplus - } - #endif - - #elif defined(__AVR__) + #elif CPU_AVR #include #include @@ -167,90 +177,96 @@ /* Missing printf-family functions in avr-libc/stdio.h */ #include #include - #if !GNUC_PREREQ(3,4) - int vsprintf(char *buf, const char *fmt, va_list ap); - #endif int vsprintf_P(char *buf, const char * PROGMEM fmt, va_list ap); /* Support for harvard architectures */ #ifdef _PROGMEM - #undef PGM_READ_CHAR - #undef PGM_FUNC - #undef PGM_ATTR #define PGM_READ_CHAR(s) pgm_read_byte(s) #define PGM_FUNC(x) x ## _P #define PGM_ATTR PROGMEM #endif - #endif /* CPU */ + #endif -#elif defined(__MWERKS__) && (defined(__m56800E__) || defined(__m56800__)) +#elif defined(__MWERKS__) && CPU_DSP56K #include #include #include #include - #define PSTR /* nothing */ + // CodeWarrior has size_t as built-in type, but does not define this symbol. + #define _SIZE_T_DEFINED #else #error unknown compiler #endif -/* Misc definitions */ -#ifndef NULL -#define NULL 0 + +/* A few defaults for missing compiler features. */ +#ifndef INLINE +#define INLINE static inline #endif -#ifndef EOF -#define EOF (-1) +#ifndef NORETURN +#define NORETURN /* nothing */ #endif - - -/* Quasi-ANSI macros */ -#ifndef offsetof - /*! offsetof(s,m) - Return the byte offset of the member \a m in struct \a s */ - #define offsetof(s,m) (size_t)&(((s *)0)->m) +#ifndef FORMAT +#define FORMAT(type,fmt,first) /* nothing */ #endif -#ifndef countof - /*! Count the number of elements in the static array \a a */ - #define countof(a) (sizeof(a) / sizeof(*(a))) +#ifndef DEPRECATED +#define DEPRECATED /* nothing */ #endif - - -/* Simple macros */ -#define ABS(a) (((a) < 0) ? -(a) : (a)) -#define MIN(a,b) (((a) < (b)) ? (a) : (b)) -#define MAX(a,b) (((a) > (b)) ? (a) : (b)) - -#ifndef BV -/*! Convert a bit value to a binary flag */ -#define BV(x) (1<<(x)) +#ifndef UNUSED +#define UNUSED(type,arg) type arg +#endif +#ifndef REGISTER +#define REGISTER /* nothing */ +#endif +#ifndef INTERRUPT +#define INTERRUPT(x) ERROR_NOT_IMPLEMENTED +#endif +#ifndef LIKELY +#define LIKELY(x) x +#endif +#ifndef UNLIKELY +#define UNLIKELY(x) x +#endif +#ifndef RESTRICT +#define RESTRICT #endif -/*! Round up \a x to an even multiple of the 2's power \a pad */ -#define ROUND2(x, pad) (((x) + ((pad) - 1)) & ~((pad) - 1)) +/* Support for harvard architectures */ +#ifndef PSTR +#define PSTR /* nothing */ +#endif +#ifndef PGM_READ_CHAR +#define PGM_READ_CHAR(s) (*(s)) +#endif +#ifndef PGM_FUNC +#define PGM_FUNC(x) x +#endif +#ifndef PGM_ATTR +#define PGM_ATTR /* nothing */ +#endif -/*! Calculate a compile-time log2 for a uint8_t */ -#define UINT8_LOG2(x) \ - ((x) < 2 ? 0 : \ - ((x) < 4 ? 1 : \ - ((x) < 8 ? 2 : \ - ((x) < 16 ? 3 : \ - ((x) < 32 ? 4 : \ - ((x) < 64 ? 5 : \ - ((x) < 128 ? 6 : 7))))))) -/*! Calculate a compile-time log2 for a uint16_t */ -#define UINT16_LOG2(x) \ - ((x < 256) ? UINT8_LOG2(x) : UINT8_LOG2((x) >> 8) + 8) +/* Misc definitions */ +#ifndef NULL +#define NULL 0 +#endif +#ifndef EOF +#define EOF (-1) +#endif -/*! Calculate a compile-time log2 for a uint32_t */ -#define UINT32_LOG2(x) \ - ((x < 65536UL) ? UINT16_LOG2(x) : UINT16_LOG2((x) >> 16) + 16) -/*! 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 +/* Support for hybrid C/C++ applications. */ +#ifdef __cplusplus + #define EXTERN_C_BEGIN extern "C" { + #define EXTERN_C_END } +#else + #define EXTERN_C_BEGIN /* nothing */ + #define EXTERN_C_END /* nothing */ +#endif /* @@ -258,7 +274,8 @@ * These should be in , but many compilers lack them. */ #if !(defined(size_t) || defined(_SIZE_T_DEFINED)) - #define size_t unsigned int + typedef unsigned int size_t; + typedef int ssize_t; #endif #if !(defined(_TIME_T_DEFINED) || defined(__time_t_defined)) typedef long time_t; @@ -284,6 +301,7 @@ typedef unsigned char page_t; typedef unsigned short int uint16_t; typedef unsigned long int uint32_t; #elif defined(__AVR__) + /* TODO: should this detect GCC+AVR combo, or just CPU_AVR? */ /* avr-libc is weird... */ #include #else @@ -299,7 +317,7 @@ typedef unsigned char page_t; * * \{ */ -#if (defined(__m56800E__) || defined(__m56800__)) +#if CPU_DSP56K /* Registers can be accessed only through 16-bit pointers */ typedef volatile uint16_t reg16_t; #else