diff options
Diffstat (limited to 'gcc-1.40/va-sparc.h')
| -rw-r--r-- | gcc-1.40/va-sparc.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc-1.40/va-sparc.h b/gcc-1.40/va-sparc.h new file mode 100644 index 0000000..98aa09e --- /dev/null +++ b/gcc-1.40/va-sparc.h @@ -0,0 +1,35 @@ +/* This is just like the default gvarargs.h + except for differences decribed below. */ + +/* va_list is a structure instead of a char*. */ +typedef struct __va_ctl +{ + char *__stack; /* Current pointer for fetching args. */ + char *__beg; /* Pointer to position of first saved register arg. */ +} va_list; + +#define va_alist __builtin_va_alist +#define va_dcl int __builtin_va_alist; + +/* The difference is to store the stack address in both components + instead of in AP itself. */ +#define va_start(AP) \ + (__builtin_saveregs (), \ + (AP).__beg = (AP).__stack = ((char *) &__builtin_va_alist)) +#define va_end(pvar) + +#define __va_rounded_size(TYPE) \ + (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) + +/* The difference is that, for an aggregate that is not word-aligned, + we advance (pvar).__stack to the first non-reg slot. */ +#define va_arg(pvar,TYPE) \ +({ TYPE __va_temp; \ + ((__builtin_classify_type (__va_temp) < 12 \ + || __alignof__ __va_temp >= 4) \ + ? ((pvar).__stack += __va_rounded_size (TYPE), \ + *((TYPE *) ((pvar).__stack - __va_rounded_size (TYPE)))) \ + : ((((pvar).__stack - (pvar).__beg < 24) \ + ? (pvar).__stack = (pvar).__beg + 24 : 0), \ + (pvar).__stack += __va_rounded_size (TYPE), \ + *((TYPE *) ((pvar).__stack - __va_rounded_size (TYPE)))));}) |