/*#*
*#* $Log$
+ *#* 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.
*#*
#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
+
+ #define COMPILER_VARIADIC_MACROS 1
- typedef struct _JMP_BUF jmp_buf[1];
+ #define INTERRUPT(x) __irq __arm void x (void)
+ #define INLINE static inline
- int setjmp(jmp_buf env);
- void longjmp(jmp_buf env, int val);
+ /* Include some standard C89/C99 stuff */
+ #include <stddef.h>
+ #include <stdint.h>
+ #include <stdbool.h>
- /* Fake bool support */
- #define true (1==1)
- #define false (1!=1)
- typedef unsigned char bool;
+ #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 DEPRECATED __attribute__((__deprecated__))
#endif
+ #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>
+ #include <sys/types.h> /* for ssize_t */
#ifndef __cplusplus
/*
#define UNUSED_ARG(type,arg) type
- #include <stdint.h>
#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
#define EXTERN_C extern "C"
#define EXTERN_C_BEGIN extern "C" {
#define EXTERN_C_END }
+ #define EXTERN_CONST extern const
#else
#define EXTERN_C extern
#define EXTERN_C_BEGIN /* nothing */
#define EXTERN_C_END /* nothing */
+ #define EXTERN_CONST const
#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;
*
* We check for some common definitions to avoid redefinitions:
*
- * glibc, avr-libc: _SIZE_T_DEFINED
+ * glibc, avr-libc: _SIZE_T_DEFINED, __ssize_t_defined
* Darwin libc: _BSD_SIZE_T_DEFINED_
+ * IAR ARM: _SIZE_T
*
* \{
*/
-#if !(defined(size_t) || defined(_SIZE_T_DEFINED) || defined(_BSD_SIZE_T_DEFINED_))
+#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;
#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;
/*! 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 */
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