diff options
Diffstat (limited to 'sys/arch/mvmeppc/include/va-ppc.h')
-rw-r--r-- | sys/arch/mvmeppc/include/va-ppc.h | 307 |
1 files changed, 2 insertions, 305 deletions
diff --git a/sys/arch/mvmeppc/include/va-ppc.h b/sys/arch/mvmeppc/include/va-ppc.h index f61a2704036..b114a9c121e 100644 --- a/sys/arch/mvmeppc/include/va-ppc.h +++ b/sys/arch/mvmeppc/include/va-ppc.h @@ -1,306 +1,3 @@ -/* $OpenBSD: va-ppc.h,v 1.2 2001/07/04 08:31:32 niklas Exp $ */ +/* $OpenBSD: va-ppc.h,v 1.3 2001/09/02 19:40:25 miod Exp $ */ -/* GNU C varargs support for the PowerPC with either the V.4 or Windows NT calling sequences */ - -#ifndef _WIN32 -/* System V.4 support */ -/* Define __gnuc_va_list. */ - -#ifndef __GNUC_VA_LIST -#define __GNUC_VA_LIST - -#ifndef _SYS_VA_LIST_H -#define _SYS_VA_LIST_H /* Solaris sys/va_list.h */ - -/* Solaris decided to rename overflow_arg_area to input_arg_area, - so handle it via a macro. */ -#define __va_overflow(AP) (AP)->overflow_arg_area - -/* Note that the names in this structure are in the user's namespace, but - that the V.4 abi explicitly states that these names should be used. */ -typedef struct __va_list_tag { - char gpr; /* index into the array of 8 GPRs stored in the - register save area gpr=0 corresponds to r3, - gpr=1 to r4, etc. */ - char fpr; /* index into the array of 8 FPRs stored in the - register save area fpr=0 corresponds to f1, - fpr=1 to f2, etc. */ - char *overflow_arg_area; /* location on stack that holds the next - overflow argument */ - char *reg_save_area; /* where r3:r10 and f1:f8, if saved are stored */ -} __va_list[1], __gnuc_va_list[1]; - -#else /* _SYS_VA_LIST */ - -typedef __va_list __gnuc_va_list; -#define __va_overflow(AP) (AP)->input_arg_area - -#endif /* not _SYS_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) - -/* Register save area located below the frame pointer */ -#ifndef __VA_PPC_H__ -#define __VA_PPC_H__ -typedef struct { - long __gp_save[8]; /* save area for GP registers */ - double __fp_save[8]; /* save area for FP registers */ -} __va_regsave_t; - -/* Macros to access the register save area */ -/* We cast to void * and then to TYPE * because this avoids - a warning about increasing the alignment requirement. */ -#define __VA_FP_REGSAVE(AP,TYPE) \ - ((TYPE *) (void *) (&(((__va_regsave_t *) \ - (AP)->reg_save_area)->__fp_save[(int)(AP)->fpr]))) - -#define __VA_GP_REGSAVE(AP,TYPE) \ - ((TYPE *) (void *) (&(((__va_regsave_t *) \ - (AP)->reg_save_area)->__gp_save[(int)(AP)->gpr]))) -#if __GNUC_MINOR__ > 8 -#define GCC29 -#endif - -#ifndef GCC29 -/* Common code for va_start for both varargs and stdarg. This depends - on the format of rs6000_args in rs6000.h. The fields used are: - - #0 WORDS # words used for GP regs/stack values - #1 FREGNO next available FP register - #2 NARGS_PROTOTYPE # args left in the current prototype - #3 ORIG_NARGS original value of NARGS_PROTOTYPE - #4 VARARGS_OFFSET offset from frame pointer of varargs area */ -#else /* GCC29 */ -/* Common code for va_start for both varargs and stdarg. We allow all - the work to be done by __builtin_saveregs. It returns a pointer to - a va_list that was constructed on the stack; we must simply copy it - to the user's variable. */ -#endif /* GCC29 */ - -#ifndef GCC29 -#define __va_words __builtin_args_info (0) -#define __va_fregno __builtin_args_info (1) -#define __va_nargs __builtin_args_info (2) -#define __va_orig_nargs __builtin_args_info (3) -#define __va_varargs_offset __builtin_args_info (4) - -#define __va_start_common(AP, FAKE) \ -__extension__ ({ \ - register int __words = __va_words - FAKE; \ - \ - (AP) = (struct __va_list_tag *)__builtin_alloca(sizeof(struct __va_list_tag)); \ - (AP)->gpr = (__words < 8) ? __words : 8; \ - (AP)->fpr = __va_fregno - 33; \ - (AP)->reg_save_area = (((char *) __builtin_frame_address (0)) \ - + __va_varargs_offset); \ - __va_overflow(AP) = ((char *)__builtin_saveregs () \ - + (((__words >= 8) ? __words - 8 : 0) \ - * sizeof (long))); \ - (void)0; \ -}) -#else /* GCC29 */ -#define __va_start_common(AP, FAKE) \ -__extension__ ({ \ - (AP) = (struct __va_list_tag *)__builtin_alloca(sizeof(__gnuc_va_list)); \ - __builtin_memcpy ((AP), __builtin_saveregs (), sizeof(__gnuc_va_list)); \ - }) -#endif /* GCC29 */ - -#ifdef _STDARG_H /* stdarg.h support */ - -/* Calling __builtin_next_arg gives the proper error message if LASTARG is - not indeed the last argument. */ -#define va_start(AP,LASTARG) \ - (__builtin_next_arg (LASTARG), __va_start_common (AP, 0)) - -#else /* varargs.h support */ - -#define va_start(AP) __va_start_common (AP, 1) -#define va_alist __va_1st_arg -#define va_dcl register int va_alist; ... - -#endif /* _STDARG_H */ - -#ifdef _SOFT_FLOAT -#define __va_float_p(TYPE) 0 -#else -#define __va_float_p(TYPE) (__builtin_classify_type(*(TYPE *)0) == 8) -#endif - -#define __va_longlong_p(TYPE) \ - ((__builtin_classify_type(*(TYPE *)0) == 1) && (sizeof(TYPE) == 8)) - -#define __va_aggregate_p(TYPE) (__builtin_classify_type(*(TYPE *)0) >= 12) -#define __va_size(TYPE) ((sizeof(TYPE) + sizeof (long) - 1) / sizeof (long)) - -#ifndef GCC29 -#define va_arg(AP,TYPE) \ -__extension__ (*({ \ - register TYPE *__ptr; \ - \ - if (__va_float_p (TYPE) && (AP)->fpr < 8) \ - { \ - __ptr = __VA_FP_REGSAVE (AP, TYPE); \ - (AP)->fpr++; \ - } \ - \ - else if (__va_aggregate_p (TYPE) && (AP)->gpr < 8) \ - { \ - __ptr = * __VA_GP_REGSAVE (AP, TYPE *); \ - (AP)->gpr++; \ - } \ - \ - else if (!__va_float_p (TYPE) && !__va_aggregate_p (TYPE) \ - && (AP)->gpr + __va_size(TYPE) <= 8 \ - && (!__va_longlong_p(TYPE) \ - || (AP)->gpr + __va_size(TYPE) <= 7)) \ - { \ - if (__va_longlong_p(TYPE) && ((AP)->gpr & 1) != 0) \ - (AP)->gpr++; \ - \ - __ptr = __VA_GP_REGSAVE (AP, TYPE); \ - (AP)->gpr += __va_size (TYPE); \ - } \ - \ - else if (!__va_float_p (TYPE) && !__va_aggregate_p (TYPE) \ - && (AP)->gpr < 8) \ - { \ - (AP)->gpr = 8; \ - __ptr = (TYPE *) (void *) (__va_overflow(AP)); \ - __va_overflow(AP) += __va_size (TYPE) * sizeof (long); \ - } \ - \ - else if (__va_aggregate_p (TYPE)) \ - { \ - __ptr = * (TYPE **) (void *) (__va_overflow(AP)); \ - __va_overflow(AP) += sizeof (TYPE *); \ - } \ - else \ - { \ - if (__va_longlong_p(TYPE) && ((long)__va_overflow(AP) & 4) != 0) \ - __va_overflow(AP) += 4; \ - \ - __ptr = (TYPE *) (void *) (__va_overflow(AP)); \ - __va_overflow(AP) += __va_size (TYPE) * sizeof (long); \ - } \ - \ - __ptr; \ -})) -#else /* GCC29 */ -#define va_arg(AP,TYPE) \ -__extension__ (*({ \ - register TYPE *__ptr; \ - \ - if (__va_float_p (TYPE) && (AP)->fpr < 8) \ - { \ - __ptr = __VA_FP_REGSAVE (AP, TYPE); \ - (AP)->fpr++; \ - } \ - \ - else if (__va_aggregate_p (TYPE) && (AP)->gpr < 8) \ - { \ - __ptr = * __VA_GP_REGSAVE (AP, TYPE *); \ - (AP)->gpr++; \ - } \ - \ - else if (!__va_float_p (TYPE) && !__va_aggregate_p (TYPE) \ - && (AP)->gpr + __va_size(TYPE) <= 8 \ - && (!__va_longlong_p(TYPE) \ - || (AP)->gpr + __va_size(TYPE) <= 8)) \ - { \ - if (__va_longlong_p(TYPE) && ((AP)->gpr & 1) != 0) \ - (AP)->gpr++; \ - \ - __ptr = __VA_GP_REGSAVE (AP, TYPE); \ - (AP)->gpr += __va_size (TYPE); \ - } \ - \ - else if (!__va_float_p (TYPE) && !__va_aggregate_p (TYPE) \ - && (AP)->gpr < 8) \ - { \ - (AP)->gpr = 8; \ - __ptr = (TYPE *) (void *) (__va_overflow(AP)); \ - __va_overflow(AP) += __va_size (TYPE) * sizeof (long); \ - } \ - \ - else if (__va_aggregate_p (TYPE)) \ - { \ - __ptr = * (TYPE **) (void *) (__va_overflow(AP)); \ - __va_overflow(AP) += sizeof (TYPE *); \ - } \ - else \ - { \ - __ptr = (TYPE *) (void *) (__va_overflow(AP)); \ - __va_overflow(AP) += __va_size (TYPE) * sizeof (long); \ - } \ - \ - __ptr; \ -})) -#endif /* not GCC29 */ - -#define va_end(AP) ((void)0) - -/* Copy __gnuc_va_list into another variable of this type. */ -#define __va_copy(dest, src) *(dest) = *(src) - -#endif /* __VA_PPC_H__ */ -#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */ - - -#else -/* Windows NT */ -/* 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) - -#define __va_start_common(AP, LASTARG, FAKE) \ - ((__builtin_saveregs ()), ((AP) = ((char *) &LASTARG) + __va_rounded_size (AP)), 0) - -#ifdef _STDARG_H /* stdarg.h support */ - -/* Calling __builtin_next_arg gives the proper error message if LASTARG is - not indeed the last argument. */ -#define va_start(AP,LASTARG) \ - (__builtin_saveregs (), \ - (AP) = __builtin_next_arg (LASTARG), \ - 0) - -#else /* varargs.h support */ - -#define va_start(AP) \ - (__builtin_saveregs (), \ - (AP) = __builtin_next_arg (__va_1st_arg) - sizeof (int), \ - 0) - -#define va_alist __va_1st_arg -#define va_dcl register int __va_1st_arg; ... - -#endif /* _STDARG_H */ - -#define __va_rounded_size(TYPE) ((sizeof (TYPE) + 3) & ~3) -#define __va_align(AP, TYPE) \ - ((((unsigned long)(AP)) + ((sizeof (TYPE) >= 8) ? 7 : 3)) \ - & ~((sizeof (TYPE) >= 8) ? 7 : 3)) - -#define va_arg(AP,TYPE) \ -( *(TYPE *)((AP = (char *) (__va_align(AP, TYPE) \ - + __va_rounded_size(TYPE))) \ - - __va_rounded_size(TYPE))) - -#define va_end(AP) ((void)0) - -/* Copy __gnuc_va_list into another variable of this type. */ -#define __va_copy(dest, src) (dest) = (src) - -#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */ -#endif /* Windows NT */ +#include <powerpc/va-ppc.h> |