/*#*
*#* $Log$
+ *#* Revision 1.19 2006/04/11 00:07:33 bernie
+ *#* Implemenent MF_SAVESEL flag.
+ *#*
+ *#* Revision 1.18 2006/03/22 13:34:34 bernie
+ *#* MSVC support.
+ *#*
+ *#* Revision 1.17 2006/03/22 09:48:35 bernie
+ *#* Formatting.
+ *#*
+ *#* Revision 1.16 2006/03/20 17:48:09 bernie
+ *#* Fix for avr-libc; INTERRUPT(): Remove macro.
+ *#*
+ *#* Revision 1.15 2006/03/13 02:06:25 bernie
+ *#* containerof(): New macro.
+ *#*
+ *#* Revision 1.14 2006/02/23 08:36:33 bernie
+ *#* Emulate __func__ on MSVC.
+ *#*
+ *#* Revision 1.13 2006/02/23 07:37:37 bernie
+ *#* Compile fix for MSVC.
+ *#*
+ *#* 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.
*#*
#if defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__)
+
#pragma language=extended
- #define INTERRUPT(x) interrupt [x]
- #define REGISTER shortad
- #define INLINE /* unsupported */
- /*
- * 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
- * unaligned data, but there are *BUGS* in the 80196KC with
- * some combinations of opcodes and addressing modes. One of
- * these, "ST SP,[?GR]+" is used in the longjmp() implementation
- * provided by the IAR compiler ANSI C library. When ?GR contains
- * an odd address, surprisingly the CPU will copy the high order
- * byte of the source operand (SP) in the low order byte of the
- * destination operand (the memory location pointed to by ?GR).
- *
- * We also need to replace the library setjmp()/longjmp() with
- * our own versions because the IAR implementation "forgets" to
- * save the contents of local registers (?LR).
- */
- struct _JMP_BUF
- {
- void *sp; /* Stack pointer */
- void *return_addr; /* Return address */
- int lr[6]; /* 6 local registers */
- };
+ #if CPU_ARM
- typedef struct _JMP_BUF jmp_buf[1];
+ #define COMPILER_VARIADIC_MACROS 1
- int setjmp(jmp_buf env);
- void longjmp(jmp_buf env, int val);
+ #define INTERRUPT(x) __irq __arm void x (void)
+ #define INLINE static inline
- /* Fake bool support */
- #define true (1==1)
- #define false (1!=1)
- typedef unsigned char bool;
+ /* Include some standard C89/C99 stuff */
+ #include <stddef.h>
+ #include <stdint.h>
+ #include <stdbool.h>
+
+ #elif CPU_I196
+
+ // IAR has size_t as built-in type, but does not define this symbol.
+ #define _SIZE_T_DEFINED
+
+ #define INTERRUPT(x) interrupt [x]
+ #define REGISTER shortad
+ #define INLINE /* unsupported */
+
+ /*
+ * 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
+ * unaligned data, but there are *BUGS* in the 80196KC with
+ * some combinations of opcodes and addressing modes. One of
+ * these, "ST SP,[?GR]+" is used in the longjmp() implementation
+ * provided by the IAR compiler ANSI C library. When ?GR contains
+ * an odd address, surprisingly the CPU will copy the high order
+ * byte of the source operand (SP) in the low order byte of the
+ * destination operand (the memory location pointed to by ?GR).
+ *
+ * We also need to replace the library setjmp()/longjmp() with
+ * our own versions because the IAR implementation "forgets" to
+ * save the contents of local registers (?LR).
+ */
+ struct _JMP_BUF
+ {
+ void *sp; /* Stack pointer */
+ void *return_addr; /* Return address */
+ int lr[6]; /* 6 local registers */
+ };
+
+ typedef struct _JMP_BUF jmp_buf[1];
+
+ int setjmp(jmp_buf env);
+ void longjmp(jmp_buf env, int val);
+
+ /* Fake bool support */
+ #define true (1==1)
+ #define false (1!=1)
+ typedef unsigned char bool;
+
+ #else
+ #error Unsupported CPU
+ #endif
#elif defined(_MSC_VER) /* Win32 emulation support */
#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 */
#define NORETURN __attribute__((__noreturn__))
#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 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 USED_FUNC __attribute__((__used__))
#define RESTRICT __restrict__
#define MUST_CHECK __attribute__((warn_unused_result))
#if GNUC_PREREQ(3,1)
#define DEPRECATED __attribute__((__deprecated__))
#endif
- #if CPU_AVR
- #include <stddef.h>
- #include <stdbool.h>
- #else
- /* Include some standard C89/C99 stuff */
- #include <stddef.h>
- #include <stdbool.h>
+ #ifndef __cplusplus
+ #define ASSERT_TYPE_EQUAL(var1, var2) \
+ STATIC_ASSERT(__builtin_types_compatible_p(typeof(var1), typeof(var2)))
+ #define ASSERT_TYPE_IS(var, type) \
+ STATIC_ASSERT(__builtin_types_compatible_p(typeof(var), type))
+ #endif
+
+ /* Include some standard C89/C99 stuff */
+ #include <stddef.h>
+ #include <stdint.h>
+ #include <stdbool.h>
+ #if !CPU_AVR
+ #include <sys/types.h> /* for ssize_t */
#endif
#ifndef __cplusplus
#pragma GCC poison cin cout cerr clog
#endif
-#elif defined(__MWERKS__) && CPU_DSP56K
+#elif defined(__MWERKS__)
/* Compiler features */
#define COMPILER_VARIADIC_MACROS 1
#define typeof __typeof__
- #include <stdint.h>
+ #define UNUSED_ARG(type,arg) type
+
#include <stddef.h>
+ #include <stdint.h>
#include <stdbool.h>
// CodeWarrior has size_t as built-in type, but does not define this symbol.
/*!
* \def COMPILER_TYPEOF
- * Support for macros with variable arguments.
+ * Support for dynamic type identification.
*/
#ifndef COMPILER_TYPEOF
#define COMPILER_TYPEOF 0
/*!
* \def COMPILER_STATEMENT_EXPRESSIONS
- * Support for macros with variable arguments.
+ * Support for statement expressions.
*/
#ifndef COMPILER_STATEMENT_EXPRESSIONS
#define COMPILER_STATEMENT_EXPRESSIONS 0
#ifndef REGISTER
#define REGISTER /* nothing */
#endif
-#ifndef INTERRUPT
-#define INTERRUPT(x) ERROR_NOT_IMPLEMENTED
-#endif
#ifndef LIKELY
#define LIKELY(x) x
#endif
#define EXTERN_C extern "C"
#define EXTERN_C_BEGIN extern "C" {
#define EXTERN_C_END }
+ #define EXTERN_CONST extern const
+ #define CONST_CAST(TYPE,EXPR) (const_cast<TYPE>(EXPR))
#else
#define EXTERN_C extern
#define EXTERN_C_BEGIN /* nothing */
#define EXTERN_C_END /* nothing */
+ #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) || defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__))
+#if defined(_MSC_VER) \
+ || ((defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__)) && CPU_I196)
/*!
* \name ISO C99 fixed-size types
*
- * These should be in <stdint.h>, but many compilers lack them.
+ * These should be in <stdint.h>, but a few compilers lack them.
* \{
*/
typedef signed char int8_t;
- typedef short int int16_t;
- typedef long int int32_t;
typedef unsigned char uint8_t;
+ typedef short int int16_t;
typedef unsigned short int uint16_t;
- typedef unsigned long int uint32_t;
+ typedef long int int32_t; /* _WIN64 safe */
+ typedef unsigned long int uint32_t; /* _WIN64 safe */
+
+ #ifdef _MSC_VER
+ typedef __int64 int64_t;
+ typedef unsigned __int64 uint64_t;
+ #else
+ typedef long long int64_t;
+ typedef unsigned long long uint64_t;
+ #endif
/* \} */
-#elif defined(__GNUC__) && CPU_AVR
- /* avr-libc is weird... */
- #include <inttypes.h>
#else
- /* This is the correct location. */
+ /* This is the standard location. */
#include <stdint.h>
#endif
* 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. */
#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)
/*! Bulk storage large enough for both pointers or integers. */
typedef void * iptr_t;
+
+/*! Bulk storage large enough for both pointers to constants or integers. */
typedef const void * const_iptr_t;
-typedef unsigned char sig_t; /*!< Type for signal bits. */
+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. */
*
* We check for some common definitions to avoid redefinitions:
*
- * glibc, avr-libc: _SIZE_T_DEFINED
- * Darwin libc: _BSD_SIZE_T_DEFINED_
+ * glibc, avr-libc: _SIZE_T_DEFINED, __ssize_t_defined
+ * Darwin libc: _BSD_SIZE_T_DEFINED_, _SIZE_T
+ * IAR ARM: _SIZE_T
*
* \{
*/
-#if !(defined(size_t) || defined(_SIZE_T_DEFINED) || defined(_BSD_SIZE_T_DEFINED_))
- #if CPU_REG_BITS > 32
- /* 64bit. */
+#if !(defined(size_t) || defined(_SIZE_T_DEFINED) || defined(_BSD_SIZE_T_DEFINED_) \
+ || defined(_SIZE_T))
+ #if CPU_X86
+ /* 32bit or 64bit (32bit for _WIN64). */
typedef unsigned long size_t;
- typedef long ssize_t;
#else
- /* 32bit or 16bit. */
- typedef unsigned int size_t;
+ #error Unknown CPU
+ #endif
+#endif
+
+#if !(defined(ssize_t) || defined(_SSIZE_T) || defined(__ssize_t_defined))
+ #if CPU_X86
+ /* 32bit or 64bit (32bit for _WIN64). */
+ typedef long ssize_t;
+ #elif CPU_ARM
+ typedef int ssize_t;
+ #elif CPU_AVR
+ /* 16bit (missing in avr-libc's sys/types.h). */
typedef int ssize_t;
+ #else
+ #error Unknown CPU
#endif
#endif
/*\}*/
#define countof(a) (sizeof(a) / sizeof(*(a)))
#endif
+/**
+ * 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,PP_CAT(CT_ASSERT___, __LINE__)[(condition) ? 1 : -1])
+ 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)
+#endif
+
+#ifndef ASSERT_TYPE_IS
+/** Ensure variable is of specified type. */
+#define ASSERT_TYPE_IS(var, type) \
+ do { (void)(&(var) == (type *)0); } while(0)
+#endif
#endif /* DEVLIB_COMPILER_H */