diff options
Diffstat (limited to 'sys/mips/include/stdarg.h')
| -rw-r--r-- | sys/mips/include/stdarg.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/sys/mips/include/stdarg.h b/sys/mips/include/stdarg.h new file mode 100644 index 0000000..802ea73 --- /dev/null +++ b/sys/mips/include/stdarg.h @@ -0,0 +1,144 @@ +/* + * JNPR: stdarg.h,v 1.3 2006/09/15 12:52:34 katta + * $FreeBSD$ + */ + +#ifndef _MACHINE_STDARG_H_ +#define _MACHINE_STDARG_H_ +#include <sys/cdefs.h> +#include <sys/_types.h> + + +#if __GNUC__ >= 3 + +#ifndef _VA_LIST_DECLARED +#define _VA_LIST_DECLARED +typedef __va_list va_list; +#endif +#define va_start(v,l) __builtin_va_start((v),l) +#define va_end __builtin_va_end +#define va_arg __builtin_va_arg +#define va_copy __builtin_va_copy + +#else /* __GNUC__ */ + + +/* ---------------------------------------- */ +/* VARARGS for MIPS/GNU CC */ +/* ---------------------------------------- */ + +#include <machine/endian.h> + +/* These macros implement varargs for GNU C--either traditional or ANSI. */ + +/* Define __gnuc_va_list. */ + +#ifndef __GNUC_VA_LIST +#define __GNUC_VA_LIST + +typedef char * __gnuc_va_list; +typedef __gnuc_va_list va_list; + +#endif /* ! __GNUC_VA_LIST */ + +/* If this is for internal libc use, don't define anything but + __gnuc_va_list. */ + +#ifndef _VA_MIPS_H_ENUM +#define _VA_MIPS_H_ENUM +enum { + __no_type_class = -1, + __void_type_class, + __integer_type_class, + __char_type_class, + __enumeral_type_class, + __boolean_type_class, + __pointer_type_class, + __reference_type_class, + __offset_type_class, + __real_type_class, + __complex_type_class, + __function_type_class, + __method_type_class, + __record_type_class, + __union_type_class, + __array_type_class, + __string_type_class, + __set_type_class, + __file_type_class, + __lang_type_class +}; +#endif + +/* In GCC version 2, we want an ellipsis at the end of the declaration + of the argument list. GCC version 1 can't parse it. */ + +#if __GNUC__ > 1 +#define __va_ellipsis ... +#else +#define __va_ellipsis +#endif + + +#define va_start(__AP, __LASTARG) \ + (__AP = (__gnuc_va_list) __builtin_next_arg (__LASTARG)) + +#define va_end(__AP) ((void)0) + + +/* We cast to void * and then to TYPE * because this avoids + a warning about increasing the alignment requirement. */ +/* The __mips64 cases are reversed from the 32 bit cases, because the standard + 32 bit calling convention left-aligns all parameters smaller than a word, + whereas the __mips64 calling convention does not (and hence they are + right aligned). */ + +#ifdef __mips64 + +#define __va_rounded_size(__TYPE) (((sizeof (__TYPE) + 8 - 1) / 8) * 8) + +#define __va_reg_size 8 + +#if defined(__MIPSEB__) || (BYTE_ORDER == BIG_ENDIAN) +#define va_arg(__AP, __type) \ + ((__type *) (void *) (__AP = (char *) \ + ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \ + + __va_rounded_size (__type))))[-1] +#else /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */ +#define va_arg(__AP, __type) \ + ((__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \ + + __va_rounded_size (__type))), \ + *(__type *) (void *) (__AP - __va_rounded_size (__type))) +#endif /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */ + +#else /* ! __mips64 */ + +#define __va_rounded_size(__TYPE) \ + (((sizeof (__TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) + +#define __va_reg_size 4 + +#if defined(__MIPSEB__) || (BYTE_ORDER == BIG_ENDIAN) +/* For big-endian machines. */ +#define va_arg(__AP, __type) \ + ((__AP = (char *) ((__alignof__ (__type) > 4 \ + ? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \ + : ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \ + + __va_rounded_size (__type))), \ + *(__type *) (void *) (__AP - __va_rounded_size (__type))) +#else /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */ +/* For little-endian machines. */ +#define va_arg(__AP, __type) \ + ((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4 \ + ? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \ + : ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \ + + __va_rounded_size(__type))))[-1] +#endif /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */ +#endif /* ! __mips64 */ + +/* Copy __gnuc_va_list into another variable of this type. */ +#define __va_copy(dest, src) (dest) = (src) +#define va_copy(dest, src) (dest) = (src) + +#endif /* __GNUC__ */ +#endif /* _MACHINE_STDARG_H_ */ |
