diff options
Diffstat (limited to 'contrib/gcc/ginclude/va-sparc.h')
| -rw-r--r-- | contrib/gcc/ginclude/va-sparc.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/contrib/gcc/ginclude/va-sparc.h b/contrib/gcc/ginclude/va-sparc.h new file mode 100644 index 0000000..40a2404 --- /dev/null +++ b/contrib/gcc/ginclude/va-sparc.h @@ -0,0 +1,203 @@ +/* This is just like the default gvarargs.h + except for differences described below. */ + +/* Define __gnuc_va_list. */ + +#ifndef __GNUC_VA_LIST +#define __GNUC_VA_LIST + +#ifdef __sparc_v9__ +typedef long long __va_greg; +typedef double __va_freg; +typedef struct { + __va_greg * __va_next_o; /* next available %o* register */ + __va_greg * __va_next_o_limit; /* past last available %o* register */ + __va_freg * __va_next_fp; /* next available %f* register */ + __va_freg * __va_next_fp_limit; /* last available %f* register */ + __va_greg * __va_next_stack; /* next extended word on stack */ +} __gnuc_va_list; +#else +#ifndef __svr4__ +/* This has to be a char * to be compatible with Sun. + i.e., we have to pass a `va_list' to vsprintf. */ +typedef char * __gnuc_va_list; +#else +/* This has to be a void * to be compatible with Sun svr4. + i.e., we have to pass a `va_list' to vsprintf. */ +typedef void * __gnuc_va_list; +#endif +#endif /* not __sparc_v9__ */ +#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) + +#ifdef _STDARG_H + +#ifdef __sparc_v9__ +#define va_start(AP, LASTARG) \ +__extension__ \ + ({ \ + AP.__va_next_o = (__va_greg *) __builtin_saveregs (); \ + AP.__va_next_o_limit = (AP.__va_next_o + \ + (__builtin_args_info (0) < 6 ? 6 - __builtin_args_info (0) : 0)); \ + AP.__va_next_fp = (__va_freg *) AP.__va_next_o_limit; \ + AP.__va_next_fp_limit = (AP.__va_next_fp + \ + (__builtin_args_info (1) < 16 ? (16 - __builtin_args_info (1) + 1) / 2 : 0)); \ + AP.__va_next_stack = (__va_greg *) __builtin_next_arg (LASTARG); \ + }) +#else +/* Call __builtin_next_arg even though we aren't using its value, so that + we can verify that LASTARG is correct. */ +#ifdef __GCC_NEW_VARARGS__ +#define va_start(AP, LASTARG) \ + (__builtin_next_arg (LASTARG), AP = (char *) __builtin_saveregs ()) +#else +#define va_start(AP, LASTARG) \ + (__builtin_saveregs (), AP = ((char *) __builtin_next_arg (LASTARG))) +#endif +#endif /* not __sparc_v9__ */ + +#else + +#define va_alist __builtin_va_alist +#define va_dcl int __builtin_va_alist;... + +#ifdef __sparc_v9__ +#define va_start(AP) \ +__extension__ \ + ({ \ + AP.__va_next_o = (__va_greg *) __builtin_saveregs (); \ + AP.__va_next_o_limit = (AP.__va_next_o + \ + (__builtin_args_info (0) < 6 ? 6 - __builtin_args_info (0) : 0)); \ + AP.__va_next_fp = (__va_freg *) AP.__va_next_o_limit; \ + AP.__va_next_fp_limit = (AP.__va_next_fp + \ + (__builtin_args_info (1) < 16 ? (16 - __builtin_args_info (1) + 1) / 2 : 0)); \ + AP.__va_next_stack = (__va_greg *) __builtin_next_arg (__builtin_va_alist) \ + - (__builtin_args_info (0) >= 6 || __builtin_args_info (1) >= 16 ? 1 : 0); \ + }) +#else +#ifdef __GCC_NEW_VARARGS__ +#define va_start(AP) ((AP) = (char *) __builtin_saveregs ()) +#else +#define va_start(AP) \ + (__builtin_saveregs (), (AP) = ((char *) &__builtin_va_alist)) +#endif +#endif /* not __sparc_v9__ */ + +#endif + +#ifndef va_end +void va_end (__gnuc_va_list); /* Defined in libgcc.a */ + +/* Values returned by __builtin_classify_type. */ + +enum __va_type_classes { + __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 +#define va_end(pvar) ((void)0) + +/* Avoid errors if compiling GCC v2 with GCC v1. */ +#if __GNUC__ == 1 +#define __extension__ +#endif + +/* RECORD_TYPE args passed using the C calling convention are + passed by invisible reference. ??? RECORD_TYPE args passed + in the stack are made to be word-aligned; for an aggregate that is + not word-aligned, we advance the pointer to the first non-reg slot. */ + +#ifdef __sparc_v9__ + +#define va_arg(pvar,TYPE) \ +__extension__ \ +(*({int __type = __builtin_classify_type (* (TYPE *) 0); \ + void * __result; \ + if (__type == __real_type_class) /* float? */ \ + { \ + __va_freg *__r; \ + /* see PASS_IN_REG_P in gcc's sparc.h */ \ + if (pvar.__va_next_fp < pvar.__va_next_fp_limit \ + && ((__r = (__va_freg *) (((__va_greg) pvar.__va_next_fp + sizeof (TYPE) - 1) & ~(__va_greg) (sizeof (TYPE) - 1))) \ + < pvar.__va_next_fp_limit)) \ + { \ + pvar.__va_next_fp = __r + (sizeof (TYPE) + 7) / 8; \ + } \ + else \ + { \ + __r = (__va_freg *) pvar.__va_next_stack; \ + pvar.__va_next_stack += (sizeof (TYPE) + 7) / 8; \ + } \ + __result = __r; \ + } \ + else if (__type < __record_type_class) /* integer? */ \ + { \ + __va_greg *__r; \ + if (pvar.__va_next_o < pvar.__va_next_o_limit) \ + __r = pvar.__va_next_o++; \ + else \ + __r = pvar.__va_next_stack++; \ + /* adjust for 4 byte ints */ \ + __result = (char *) __r + 8 - sizeof (TYPE); \ + } \ + else /* aggregate object */ \ + { \ + void **__r; \ + if (pvar.__va_next_o < pvar.__va_next_o_limit) \ + __r = (void **) pvar.__va_next_o++; \ + else \ + __r = (void **) pvar.__va_next_stack++; \ + __result = *__r; \ + } \ + (TYPE *) __result;})) + +#else /* not __sparc_v9__ */ + +#define __va_rounded_size(TYPE) \ + (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) + +/* We don't declare the union member `d' to have type TYPE + because that would lose in C++ if TYPE has a constructor. */ +/* We cast to void * and then to TYPE * because this avoids + a warning about increasing the alignment requirement. + The casts to char * avoid warnings about invalid pointer arithmetic. */ +#define va_arg(pvar,TYPE) \ +__extension__ \ +(*({((__builtin_classify_type (*(TYPE*) 0) >= __record_type_class \ + || (__builtin_classify_type (*(TYPE*) 0) == __real_type_class \ + && sizeof (TYPE) == 16)) \ + ? ((pvar) = (char *)(pvar) + __va_rounded_size (TYPE *), \ + *(TYPE **) (void *) ((char *)(pvar) - __va_rounded_size (TYPE *))) \ + : __va_rounded_size (TYPE) == 8 \ + ? ({ union {char __d[sizeof (TYPE)]; int __i[2];} __u; \ + __u.__i[0] = ((int *) (void *) (pvar))[0]; \ + __u.__i[1] = ((int *) (void *) (pvar))[1]; \ + (pvar) = (char *)(pvar) + 8; \ + (TYPE *) (void *) __u.__d; }) \ + : ((pvar) = (char *)(pvar) + __va_rounded_size (TYPE), \ + ((TYPE *) (void *) ((char *)(pvar) - __va_rounded_size (TYPE)))));})) +#endif /* not __sparc_v9__ */ + +#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */ |
