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Rewrite to be compatible with hpux.

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From-SVN: r1773
This commit is contained in:
Timothy Moore 1992-08-06 17:09:02 +00:00
parent aa501fb73c
commit 70f0c7e91e
1 changed files with 18 additions and 78 deletions
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96
gcc/ginclude/va-pa.h
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@ -1,98 +1,38 @@
#if __GNUC__ > 1
/* Define __gnuc_va_list. */
/* Define __gnuc_va_list. */
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
typedef struct
{
char *__va_stack_start; /* Real start of stack args. */
char *__va_int; /* Pointer to the general register */
/* args and stack. */
char *__va_float; /* Pointer to the fp register args. */
char *__va_double;
} __gnuc_va_list;
typedef double *__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)
#ifdef _STDARG_H
#define va_start(AP,LASTARG) ((AP) = *(__gnuc_va_list *)__builtin_saveregs())
#define va_start(AP,LASTARG) ((AP) = (va_list)__builtin_saveregs())
#else
#define va_alist __builtin_va_alist
/* The ... causes current_function_varargs to be set in cc1. */
#define va_dcl int __builtin_va_alist; ...
#define va_start(AP) ((AP) = *(__gnuc_va_list *)__builtin_saveregs())
#endif /* _STDARG_H */
#define va_dcl long va_alist; ...
#define va_start(AP) ((AP) = (va_list)__builtin_saveregs())
#endif
/* Handle pass by invisible reference and voids left by aligned */
/* doubles. */
#define va_arg(AP,TYPE) \
(sizeof(TYPE) > 8 ? \
((AP = (__gnuc_va_list) ((char *)AP - sizeof (int))), \
(*((TYPE *) (*((int *) (AP)))))) \
:((AP = \
(__gnuc_va_list) ((long)((char *)AP - sizeof (TYPE)) \
& (sizeof(TYPE) > 4 ? ~0x7 : ~0x3))), \
(*((TYPE *) ((char *)AP + ((8 - sizeof(TYPE)) % 4))))))
#define __va_rounded_size(TYPE) \
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#define va_arg(AP, TYPE) \
(((__va_rounded_size(TYPE) <= 8) \
? ((AP).__va_int -= __va_rounded_size (TYPE), \
(AP).__va_float -= __va_rounded_size (TYPE), \
(AP).__va_double -= __va_rounded_size (TYPE), \
(__alignof__ (TYPE) > 4 ? ((int)(AP).__va_int &= ~(0x7), \
(int)(AP).__va_float &= ~(0x7), \
(int)(AP).__va_double &= ~(0x7)) : 0))\
: (int)((AP).__va_int -= sizeof (TYPE *), \
(AP).__va_float -= sizeof (TYPE *), \
(AP).__va_double -= sizeof (TYPE *))), \
(((AP).__va_int < (AP).__va_stack_start \
|| __builtin_classify_type (* (TYPE *) 0) != 8) \
? ((__va_rounded_size(TYPE) <= 8) ? *(TYPE *)(AP).__va_int \
: **(TYPE **)(AP).__va_int) \
: ((__va_rounded_size(TYPE) <= 4) ? *(TYPE *)(AP).__va_float \
: ((__va_rounded_size(TYPE) <= 8) ? *(TYPE *)(AP).__va_double \
: **(TYPE **)(AP).__va_int))))
void va_end (__gnuc_va_list); /* Defined in libgcc.a */
#define va_end(AP)
#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
#else /* not __GNUCC_ > 1 */
typedef char *va_list;
/* __builtin_saveregs () tickles a bug in the pa-risc gcc 1.39 port, */
/* so don't use it for varargs. Obviously the stdarg stuff doesn't */
/* work very well. */
#ifdef _STDARG_H
#define va_start(AP,LASTARG) \
(__builtin_saveregs(), (AP) = __builtin_next_arg ())
/* gcc1 doesn't implement pass by invisible reference */
#define __va_rounded_size(TYPE) \
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#define va_arg(AP,TYPE) \
((AP) -= __va_rounded_size (TYPE), (__alignof__ (TYPE) > 4 ? \
(int)AP &= ~(0x7) : 0), \
*(TYPE *)(AP))
void va_end (va_list); /* Defined in libgcc.a */
#define va_end(AP)
#else /* _STDARG_H */
#define va_alist __va_a__, __va_b__, __va_c__, __va_d__
#define va_dcl int __va_a__, __va_b__, __va_c__, __va_d__;
#define va_start(list) list = (char *) &__va_a__, &__va_b__, &__va_c__, \
&__va_d__
# define va_arg(list,mode) *(mode *) ((int) (list = (char *) \
(((int) list + sizeof(int /*__va_a__*/) - sizeof(mode)) & ~(sizeof(mode)-1)) \
- sizeof(int /*__va_a__*/)) + sizeof(int /*__va_a__*/))
#define va_end(list)
#endif /* _STDARG_H */
#endif /* not __GNUCC__ > 1 */
#else /* not __GNUC__ > 1 */
#include "/usr/local/lib/gcc-include/va-hp9k8.h"
#define _VA_LIST_
#endif