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----------------------------------------------------------------------*/
#include "avcall.h.in"
#define RETURN(TYPE,VAL) (*(TYPE*)l->raddr = (TYPE)(VAL))
#define OFFSETOF(struct,member) ((int)&(((struct*)0)->member))
register void* callee __asm__("%g2"); /* any global or local register */
register __avword o0 __asm__("%o0");
register __avword o1 __asm__("%o1");
register __avword o2 __asm__("%o2");
register __avword o3 __asm__("%o3");
register __avword o4 __asm__("%o4");
register __avword o5 __asm__("%o5");
int
__builtin_avcall(av_alist* l)
{
register __avword* sp __asm__("%sp"); /* C names for registers */
register float fret __asm__("%f0"); /* %f0 */
register double dret __asm__("%f0"); /* %f0,%f1 */
__avword trampoline[6]; /* room for a trampoline */
__avword space[__AV_ALIST_WORDS]; /* space for callee's stack frame */
__avword *argframe = sp + 17; /* stack offset for argument list */
int arglen = l->aptr - l->args;
__avword i;
if (l->farg_mask) {
/* push leading float args */
if (l->farg_mask & (1<<0))
__asm__("ld %1(%0),%%f1" : : "p" (l), "i" OFFSETOF(av_alist,args[0]));
if (l->farg_mask & (1<<1))
__asm__("ld %1(%0),%%f3" : : "p" (l), "i" OFFSETOF(av_alist,args[1]));
if (l->farg_mask & (1<<2))
__asm__("ld %1(%0),%%f5" : : "p" (l), "i" OFFSETOF(av_alist,args[2]));
if (l->farg_mask & (1<<3))
__asm__("ld %1(%0),%%f7" : : "p" (l), "i" OFFSETOF(av_alist,args[3]));
if (l->farg_mask & (1<<4))
__asm__("ld %1(%0),%%f9" : : "p" (l), "i" OFFSETOF(av_alist,args[4]));
if (l->farg_mask & (1<<5))
__asm__("ld %1(%0),%%f11" : : "p" (l), "i" OFFSETOF(av_alist,args[5]));
if (l->farg_mask & (1<<6))
__asm__("ld %1(%0),%%f13" : : "p" (l), "i" OFFSETOF(av_alist,args[6]));
if (l->farg_mask & (1<<7))
__asm__("ld %1(%0),%%f15" : : "p" (l), "i" OFFSETOF(av_alist,args[7]));
if (l->farg_mask & (1<<8))
__asm__("ld %1(%0),%%f17" : : "p" (l), "i" OFFSETOF(av_alist,args[8]));
if (l->farg_mask & (1<<9))
__asm__("ld %1(%0),%%f19" : : "p" (l), "i" OFFSETOF(av_alist,args[9]));
if (l->farg_mask & (1<<10))
__asm__("ld %1(%0),%%f21" : : "p" (l), "i" OFFSETOF(av_alist,args[10]));
if (l->farg_mask & (1<<11))
__asm__("ld %1(%0),%%f23" : : "p" (l), "i" OFFSETOF(av_alist,args[11]));
if (l->farg_mask & (1<<12))
__asm__("ld %1(%0),%%f25" : : "p" (l), "i" OFFSETOF(av_alist,args[12]));
if (l->farg_mask & (1<<13))
__asm__("ld %1(%0),%%f27" : : "p" (l), "i" OFFSETOF(av_alist,args[13]));
if (l->farg_mask & (1<<14))
__asm__("ld %1(%0),%%f29" : : "p" (l), "i" OFFSETOF(av_alist,args[14]));
if (l->farg_mask & (1<<15))
__asm__("ld %1(%0),%%f31" : : "p" (l), "i" OFFSETOF(av_alist,args[15]));
}
if (l->darg_mask) {
/* push leading float/double args */
/* push leading double args */
if (l->darg_mask & (1<<0))
__asm__("ldd [%0+%1],%%f0" : : "p" (l), "i" OFFSETOF(av_alist,args[0]));
__asm__("ldd %1(%0),%%f0" : : "p" (l), "i" OFFSETOF(av_alist,args[0]));
if (l->darg_mask & (1<<1))
__asm__("ldd [%0+%1],%%f2" : : "p" (l), "i" OFFSETOF(av_alist,args[1]));
__asm__("ldd %1(%0),%%f2" : : "p" (l), "i" OFFSETOF(av_alist,args[1]));
if (l->darg_mask & (1<<2))
__asm__("ldd [%0+%1],%%f4" : : "p" (l), "i" OFFSETOF(av_alist,args[2]));
__asm__("ldd %1(%0),%%f4" : : "p" (l), "i" OFFSETOF(av_alist,args[2]));
if (l->darg_mask & (1<<3))
__asm__("ldd [%0+%1],%%f6" : : "p" (l), "i" OFFSETOF(av_alist,args[3]));
__asm__("ldd %1(%0),%%f6" : : "p" (l), "i" OFFSETOF(av_alist,args[3]));
if (l->darg_mask & (1<<4))
__asm__("ldd [%0+%1],%%f8" : : "p" (l), "i" OFFSETOF(av_alist,args[4]));
__asm__("ldd %1(%0),%%f8" : : "p" (l), "i" OFFSETOF(av_alist,args[4]));
if (l->darg_mask & (1<<5))
__asm__("ldd [%0+%1],%%f10" : : "p" (l), "i" OFFSETOF(av_alist,args[5]));
__asm__("ldd %1(%0),%%f10" : : "p" (l), "i" OFFSETOF(av_alist,args[5]));
if (l->darg_mask & (1<<6))
__asm__("ldd [%0+%1],%%f12" : : "p" (l), "i" OFFSETOF(av_alist,args[6]));
__asm__("ldd %1(%0),%%f12" : : "p" (l), "i" OFFSETOF(av_alist,args[6]));
if (l->darg_mask & (1<<7))
__asm__("ldd [%0+%1],%%f14" : : "p" (l), "i" OFFSETOF(av_alist,args[7]));
__asm__("ldd %1(%0),%%f14" : : "p" (l), "i" OFFSETOF(av_alist,args[7]));
if (l->darg_mask & (1<<8))
__asm__("ldd [%0+%1],%%f16" : : "p" (l), "i" OFFSETOF(av_alist,args[8]));
__asm__("ldd %1(%0),%%f16" : : "p" (l), "i" OFFSETOF(av_alist,args[8]));
if (l->darg_mask & (1<<9))
__asm__("ldd [%0+%1],%%f18" : : "p" (l), "i" OFFSETOF(av_alist,args[9]));
__asm__("ldd %1(%0),%%f18" : : "p" (l), "i" OFFSETOF(av_alist,args[9]));
if (l->darg_mask & (1<<10))
__asm__("ldd [%0+%1],%%f20" : : "p" (l), "i" OFFSETOF(av_alist,args[10]));
__asm__("ldd %1(%0),%%f20" : : "p" (l), "i" OFFSETOF(av_alist,args[10]));
if (l->darg_mask & (1<<11))
__asm__("ldd [%0+%1],%%f22" : : "p" (l), "i" OFFSETOF(av_alist,args[11]));
__asm__("ldd %1(%0),%%f22" : : "p" (l), "i" OFFSETOF(av_alist,args[11]));
if (l->darg_mask & (1<<12))
__asm__("ldd [%0+%1],%%f24" : : "p" (l), "i" OFFSETOF(av_alist,args[12]));
__asm__("ldd %1(%0),%%f24" : : "p" (l), "i" OFFSETOF(av_alist,args[12]));
if (l->darg_mask & (1<<13))
__asm__("ldd [%0+%1],%%f26" : : "p" (l), "i" OFFSETOF(av_alist,args[13]));
__asm__("ldd %1(%0),%%f26" : : "p" (l), "i" OFFSETOF(av_alist,args[13]));
if (l->darg_mask & (1<<14))
__asm__("ldd [%0+%1],%%f28" : : "p" (l), "i" OFFSETOF(av_alist,args[14]));
__asm__("ldd %1(%0),%%f28" : : "p" (l), "i" OFFSETOF(av_alist,args[14]));
if (l->darg_mask & (1<<15))
__asm__("ldd [%0+%1],%%f30" : : "p" (l), "i" OFFSETOF(av_alist,args[15]));
__asm__("ldd %1(%0),%%f30" : : "p" (l), "i" OFFSETOF(av_alist,args[15]));
}
if (arglen > 6) {
/* alloca space is separated from the extra outgoing args area by
* the area for compiler temps (addressable with postive offsets from sp)
* but they shouldn't be needed for this function, so, effectively,
* space returned by alloca is safe to use as the area for extra args.
*/
void *extra_args_area = __builtin_alloca(sizeof(__avword) * (arglen - 6));
__avword *argframe = (__avword *)extra_args_area - 6;
#if 0
/* "by construction" */
assert(argframe == (void *)((unsigned long)(sp + 16)+2047));
#endif
i = ({ register __avword iret __asm__ ("%o0");
i = ({ __avword iret; /* %o0 */
iret = (*l->func)(l->args[0], l->args[1], l->args[2],
l->args[3], l->args[4], l->args[5]);
asm __volatile__("nop"); /* struct returning functions skip this instruction */
asm ("nop"); /* struct returning functions skip this instruction */
iret;
});
/* save return value */
if (l->rtype == __AVvoid) {
} else
if (l->rtype == __AVword) {
|