diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/powerpc/include/va-ppc.h | 72 |
1 files changed, 71 insertions, 1 deletions
diff --git a/sys/arch/powerpc/include/va-ppc.h b/sys/arch/powerpc/include/va-ppc.h index 4bf23184a6c..54486c16a94 100644 --- a/sys/arch/powerpc/include/va-ppc.h +++ b/sys/arch/powerpc/include/va-ppc.h @@ -58,7 +58,11 @@ typedef struct { #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: @@ -67,7 +71,14 @@ typedef struct { #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) @@ -88,6 +99,13 @@ __extension__ ({ \ * 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 */ @@ -116,6 +134,7 @@ __extension__ ({ \ #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; \ @@ -168,6 +187,57 @@ __extension__ (*({ \ \ __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) |