diff options
Diffstat (limited to 'lib/ultralib/include/compiler/gcc/stdarg.h')
| -rw-r--r-- | lib/ultralib/include/compiler/gcc/stdarg.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/lib/ultralib/include/compiler/gcc/stdarg.h b/lib/ultralib/include/compiler/gcc/stdarg.h new file mode 100644 index 0000000..af337f6 --- /dev/null +++ b/lib/ultralib/include/compiler/gcc/stdarg.h @@ -0,0 +1,121 @@ +#ifndef _STDARG_H +#define _STDARG_H +/* ---------------------------------------- */ +/* VARARGS for MIPS/GNU CC */ +/* */ +/* */ +/* */ +/* */ +/* ---------------------------------------- */ + +/* These macros implement varargs for GNU C--either traditional or ANSU. */ + +/* Define __gnuc_va_list. */ + +#ifndef __GNUC_VA_LIST +#define __GNUC_VA_LIST +typedef char * __gnuc_va_list; +#endif /* not __GNUC_VA_LIST */ + +/* If this is for internal libc use, don't define anything but + __gnuc_va_list. */ +#if defined (_STDARG_H) || defined (_VARARGS_H) + +/* 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 + +#if __mips>=3 +#define __va_rounded_size(__TYPE) \ + (((sizeof (__TYPE) + 8 - 1) / 8) * 8) +#else +#define __va_rounded_size(__TYPE) \ + (((sizeof (__TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) +#endif + +/* Get definitions for _MIPS_SIM_ABI64 etc. */ +#ifdef _MIPS_SIM +#include <sgidefs.h> +#endif + +#ifdef _STDARG_H +#if defined(_MIPS_SIM) && (_MIPS_SIM == _MIPS_SIM_ABI64) +#define va_start(__AP, __LASTARG) \ + (__AP = __builtin_next_arg (__LASTARG) - 64 \ + + (__builtin_args_info (2) > 8 ? 64 : __builtin_args_info(2) * 8)) +#else +#define va_start(__AP, __LASTARG) \ + (__AP = (__gnuc_va_list) __builtin_next_arg (__LASTARG)) +#endif + +#else +#define va_alist __builtin_va_alist +#if __mips>=3 +/* This assumes that `long long int' is always a 64 bit type. */ +#define va_dcl long long int __builtin_va_alist; __va_ellipsis +#else +#define va_dcl int __builtin_va_alist; __va_ellipsis +#endif +/* Need alternate code for _MIPS_SIM_ABI64, but don't use that symbol + because it may not be defined. */ +#if defined(_MIPS_SIM) && (_MIPS_SIM == _MIPS_SIM_ABI64) +#define va_start(__AP) \ + (__AP = __builtin_next_arg () - 64 \ + + (__builtin_args_info (2) > 8 ? 64 : __builtin_args_info(2) * 8)) +#else +#define va_start(__AP) __AP = (char *) &__builtin_va_alist +#endif +#endif + +#ifndef va_end +void va_end (__gnuc_va_list); /* Defined in libgcc.a */ +#endif +#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 __mips>=3 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 __mips>=3 calling convention does not (and hence they are + right aligned). */ +#if __mips>=3 +#ifdef __MIPSEB__ +#define va_arg(__AP, __type) \ + ((__type *) (void *) (__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \ + + __va_rounded_size (__type))))[-1] +#else +#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 + +#else /* not __mips>=3 */ + +#ifdef __MIPSEB__ +/* For big-endian machines. */ +#define va_arg(__AP, __type) \ + ((__AP = (char *) ((__alignof__ (__type) > 4 \ + ? ((int)__AP + 8 - 1) & -8 \ + : ((int)__AP + 4 - 1) & -4) \ + + __va_rounded_size (__type))), \ + *(__type *) (void *) (__AP - __va_rounded_size (__type))) +#else +/* For little-endian machines. */ +#define va_arg(__AP, __type) \ + ((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4 \ + ? ((int)__AP + 8 - 1) & -8 \ + : ((int)__AP + 4 - 1) & -4) \ + + __va_rounded_size(__type))))[-1] +#endif +#endif + +typedef __gnuc_va_list va_list; + +#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */ +#endif |