/*!
* \file
* <!--
- * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
* Copyright 2001, 2002, 2003 Bernardo Innocenti <bernie@codewiz.org>
- * This file is part of DevLib - See devlib/README for information.
+ * This file is part of DevLib - See README.devlib for information.
* -->
*
* \brief Additional support macros for compiler independance
/*#*
*#* $Log$
- *#* Revision 1.34 2004/11/28 23:21:33 bernie
- *#* Use mtime_t instead of overloading ANSI time_t with new semantics.
+ *#* Revision 1.44 2005/03/29 06:39:59 bernie
+ *#* setjmp.h, time_t: Remove ancient retrocompatibility; Remove MSVC double to float hack.
*#*
- *#* Revision 1.33 2004/11/16 23:09:40 bernie
- *#* size_t: Add 64bit definitions; time_t: Add 16bit hack for tiny CPUs.
+ *#* Revision 1.43 2005/03/01 23:15:12 bernie
+ *#* Remove compatibility hack.
*#*
- *#* Revision 1.32 2004/11/16 22:42:44 bernie
- *#* Doxygen fixes.
+ *#* Revision 1.42 2005/02/16 20:28:46 bernie
+ *#* Move PGM macros to mware/pgm.h
*#*
- *#* Revision 1.31 2004/11/16 22:37:28 bernie
- *#* IPTR: Remove obsolete definition.
+ *#* Revision 1.41 2005/01/22 04:19:22 bernie
+ *#* MTIME_INFINITE: New constant.
*#*
- *#* 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.
- *#*
- *#* Revision 1.22 2004/09/14 21:03:04 bernie
- *#* PURE_FUNC, CONST_FUNC, MUST_CHECK: New function attributes; LIKELY()/UNLIKELY(): Fix for non-integral expressions.
- *#*
- *#* Revision 1.21 2004/09/06 21:38:31 bernie
- *#* Misc documentation and style fixes.
- *#*
- *#* Revision 1.20 2004/08/29 21:57:58 bernie
- *#* Move back STATIC_ASSERT() to compiler.h as it's needed in cpu.h;
- *#* iptr_t, const_iptr_t: Replace IPTR macro with a real typedef.
- *#*
- *#* Revision 1.19 2004/08/25 14:12:08 rasky
- *#* Aggiornato il comment block dei log RCS
- *#*
- *#* Revision 1.18 2004/08/24 16:32:37 bernie
- *#* Document custom types.
- *#*
- *#* Revision 1.17 2004/08/24 13:32:14 bernie
- *#* PP_CAT(), PP_STRINGIZE(): Move back to compiler.h to break circular dependency between cpu.h/compiler.h/macros.h;
- *#* offsetof(), countof(): Move back to compiler.h to avoid including macros.h almost everywhere;
- *#* Trim CVS log;
- *#* Rename header guards;
- *#* Don't include arch_config.h in compiler.h as it's not needed there.
- *#*
- *#* 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 1.40 2005/01/20 18:46:04 aleph
+ *#* Add progmem datatypes; PSTR() definition.
*#*/
#ifndef DEVLIB_COMPILER_H
#define DEVLIB_COMPILER_H
#define GNUC_PREREQ(maj, min) 0
#endif
+/* Some CW versions do not allow enabling C99 from the settings panel. */
+#if defined(__MWERKS__)
+ #pragma c99 on
+#endif
+
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
#define COMPILER_C99 1
#else
#define REGISTER shortad
#define INLINE /* unsupported */
- /* Imported from <longjmp.h>. Unfortunately, we can't just include
+ /*
+ * Imported from <longjmp.h>. Unfortunately, we can't just include
* this header because it typedefs jmp_buf to be an array of chars.
* This would allow the compiler to place the buffer on an odd address.
* The CPU _should_ be able to perform word accesses to
*/
struct _JMP_BUF
{
- void * sp; /* Stack pointer */
- void * return_addr; /* Return address */
- int lr[6]; /* 6 local registers */
+ void *sp; /* Stack pointer */
+ void *return_addr; /* Return address */
+ int lr[6]; /* 6 local registers */
};
typedef struct _JMP_BUF jmp_buf[1];
#elif defined(_MSC_VER) /* Win32 emulation support */
- #include <setjmp.h>
- #include <time.h> /* for time_t */
-
- /* FIXME: I can't remember why exactly this was needed (NdBernie) */
- #define float double
-
- /* Fake bool support */
+ /* MSVC doesn't provide <stdbool.h>. */
#ifndef __cplusplus
- #define true 1
- #define false 0
+ #define true (1==1)
+ #define false (1!=1)
typedef int bool;
#endif /* !__cplusplus */
#define DEPRECATED __attribute__((__deprecated__))
#endif
- #if CPU_X86
-
- /* Hack to avoid conflicts with system type */
- #define sigset_t system_sigset_t
+ #if CPU_AVR
#include <stddef.h>
- #include <setjmp.h>
#include <stdbool.h>
- #undef system_sigset_t
-
- #elif CPU_AVR
-
+ #else
+ /* Include some standard C89/C99 stuff */
#include <stddef.h>
#include <stdbool.h>
-
- /* Support for harvard architectures */
- #ifdef _PROGMEM
- #define PGM_READ_CHAR(s) pgm_read_byte(s)
- #define PGM_FUNC(x) x ## _P
- #define PGM_ATTR PROGMEM
- #endif
-
#endif
#ifndef __cplusplus
#elif defined(__MWERKS__) && CPU_DSP56K
/* Compiler features */
+ #define COMPILER_VARIADIC_MACROS 1
#define COMPILER_TYPEOF 1
#define COMPILER_STATEMENT_EXPRESSIONS 1
+ #define typeof __typeof__
+
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
- #include <setjmp.h>
// CodeWarrior has size_t as built-in type, but does not define this symbol.
#define _SIZE_T_DEFINED
* \def COMPILER_VARIADIC_MACROS
* Support for macros with variable arguments.
*/
-#ifndef COMPILER_HAVE_VARIADIC_MACROS
-#define COMPILER_HAVE_VARIADIC_MACROS (COMPILER_C99 != 0)
+#ifndef COMPILER_VARIADIC_MACROS
+#define COMPILER_VARIADIC_MACROS (COMPILER_C99 != 0)
#endif
/*!
#define MUST_CHECK /* nothing */
#endif
-/* 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
-
-
/* Misc definitions */
#ifndef NULL
#define NULL (void *)0
#include <stdint.h>
#endif
-
#if CPU_AVR_ATMEGA8
/*
* The ATmega8 has a very small Flash, so we can't afford
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 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)
#define SIZEOF_UTIME_T (32 / CPU_BITS_PER_CHAR)
+ #define MTIME_INFINITE 0x7FFFFFFFL
#endif
/*! Bulk storage large enough for both pointers or integers. */
typedef const void * const_iptr_t;
typedef unsigned char sig_t; /*!< Type for signal bits. */
-typedef unsigned char sigset_t; /*!< Type for signal masks. */
+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 <sys/types.h>, but many compilers lack them.
+ * These should be in <sys/types.h> or <stddef.h>, but many compilers
+ * and C libraries lack them.
+ *
+ * We check for some common definitions to avoid redefinitions:
+ *
+ * glibc, avr-libc: _SIZE_T_DEFINED
+ * Darwin libc: _BSD_SIZE_T_DEFINED_
*
* \{
*/
-#if !(defined(size_t) || defined(_SIZE_T_DEFINED))
+#if !(defined(size_t) || defined(_SIZE_T_DEFINED) || defined(_BSD_SIZE_T_DEFINED_))
#if CPU_REG_BITS > 32
/* 64bit. */
typedef unsigned long size_t;
typedef int ssize_t;
#endif
#endif
-
-#if !(defined(_TIME_T_DEFINED) || defined(__time_t_defined))
- /*! For backwards compatibility. Use mtime_t in new code. */
- #define time_t mtime_t
- #define SIZEOF_TIME_T SIZEOF_MTIME_T
-#else
- /* Just a guess, but quite safe. */
- #define SIZEOF_TIME_T SIZEOF_LONG
-#endif /* _TIME_T_DEFINED || __time_t_defined */
/*\}*/
projects / bertos.git / blobdiff