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#ifndef _avcall_mips_c /*-*- C -*-*/
#define _avcall_mips_c
/**
Copyright 1993 Bill Triggs, <Bill.Triggs@inrialpes.fr>
Copyright 1995-1999 Bruno Haible, <bruno@clisp.org>
This is free software distributed under the GNU General Public
Licence described in the file COPYING. Contact the author if
you don't have this or can't live with it. There is ABSOLUTELY
NO WARRANTY, explicit or implied, on this software.
**/
/*----------------------------------------------------------------------
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#ifndef _avcall_mips_c /*-*- C -*-*/
#define _avcall_mips_c
/**
Copyright 1993 Bill Triggs, <Bill.Triggs@inrialpes.fr>
Copyright 1995-1999 Bruno Haible, <bruno@clisp.org>
Copyright 2005 Thiemo Seufer <ths@debian.org>
This is free software distributed under the GNU General Public
Licence described in the file COPYING. Contact the author if
you don't have this or can't live with it. There is ABSOLUTELY
NO WARRANTY, explicit or implied, on this software.
**/
/*----------------------------------------------------------------------
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typedef __avword (*func_pointer)();
register func_pointer t9 __asm__("$25");
int
__builtin_avcall(av_alist* l)
{
register __avword* sp __asm__("$sp"); /* C names for registers */
register __avword iret2 __asm__("$3");
register float fret __asm__("$f0");
register double dret __asm__("$f0");
__avword *space = __builtin_alloca(__AV_ALIST_WORDS * sizeof(__avword)); /* big space for child's stack frame */
__avword *argframe = (__avword*)sp; /* stack offset for argument list is 0 */
int arglen = l->aptr - l->args;
__avword i;
if (l->flags & __AV_FLOAT_1) /* push leading float args */
{
__asm__("l.d $f12,%1(%0)" : : "p" (l), "i" OFFSETOF(av_alist,floatarg[0]));
if (l->flags & __AV_FLOAT_2)
__asm__("l.d $f14,%1(%0)" : : "p" (l), "i" OFFSETOF(av_alist,floatarg[1]));
}
i = (*(t9 = l->func))(l->args[0], l->args[1], /* call function with 1st 4 args */
l->args[2], l->args[3]);
/* save return value */
if (l->rtype == __AVvoid) {
} else
if (l->rtype == __AVword) {
RETURN(__avword, i);
} else
if (l->rtype == __AVchar) {
RETURN(char, i);
} else
if (l->rtype == __AVschar) {
RETURN(signed char, i);
} else
if (l->rtype == __AVuchar) {
RETURN(unsigned char, i);
} else
if (l->rtype == __AVshort) {
RETURN(short, i);
} else
if (l->rtype == __AVushort) {
RETURN(unsigned short, i);
} else
if (l->rtype == __AVint) {
RETURN(int, i);
} else
if (l->rtype == __AVuint) {
RETURN(unsigned int, i);
} else
if (l->rtype == __AVlong) {
RETURN(long, i);
} else
if (l->rtype == __AVulong) {
RETURN(unsigned long, i);
} else
if (l->rtype == __AVlonglong || l->rtype == __AVulonglong) {
((__avword*)l->raddr)[0] = i;
((__avword*)l->raddr)[1] = iret2;
} else
if (l->rtype == __AVfloat) {
RETURN(float, fret);
} else
if (l->rtype == __AVdouble) {
RETURN(double, dret);
} else
if (l->rtype == __AVvoidp) {
RETURN(void*, i);
} else
if (l->rtype == __AVstruct) {
if (l->flags & __AV_PCC_STRUCT_RETURN) {
/* pcc struct return convention: need a *(TYPE*)l->raddr = *(TYPE*)i; */
if (l->rsize == sizeof(char)) {
RETURN(char, *(char*)i);
} else
if (l->rsize == sizeof(short)) {
RETURN(short, *(short*)i);
} else
if (l->rsize == sizeof(int)) {
RETURN(int, *(int*)i);
} else
if (l->rsize == sizeof(double)) {
((int*)l->raddr)[0] = ((int*)i)[0];
((int*)l->raddr)[1] = ((int*)i)[1];
} else {
int n = (l->rsize + sizeof(__avword)-1)/sizeof(__avword);
while (--n >= 0)
((__avword*)l->raddr)[n] = ((__avword*)i)[n];
}
} else {
/* normal struct return convention */
if (l->flags & __AV_SMALL_STRUCT_RETURN) {
if (l->rsize == sizeof(char)) {
RETURN(char, i);
} else
if (l->rsize == sizeof(short)) {
RETURN(short, i);
} else
if (l->rsize == sizeof(int)) {
RETURN(int, i);
}
}
}
}
return 0;
}
#endif /*_avcall_mips_c */
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typedef __avword (*func_pointer)();
register func_pointer t9 __asm__("$25");
int
__builtin_avcall(av_alist* l)
{
register __avword* sp __asm__("$sp"); /* C names for registers */
register __avword iret2_tmp __asm__("$3");
register float fret_tmp __asm__("$f0");
register double dret_tmp __asm__("$f0");
__avword *space = __builtin_alloca(__AV_ALIST_WORDS * sizeof(__avword)); /* big space for child's stack frame */
__avword *argframe = (__avword*)sp; /* stack offset for argument list is 0 */
int arglen = l->aptr - l->args;
int i;
__avword iret;
long long iret2;
float fret;
double dret;
/* load leading float args */
if (l->flags & __AV_FLOAT_1)
__asm__("l.s $f12,%1(%0)" : : "p" (l), "i" OFFSETOF(av_alist,floatarg[0]));
if (l->flags & __AV_DOUBLE_1)
__asm__("l.d $f12,%1(%0)" : : "p" (l), "i" OFFSETOF(av_alist,doublearg[0]));
if ((l->flags & __AV_FLOAT_2) && (l->flags & (__AV_FLOAT_1 | __AV_DOUBLE_1)))
__asm__("l.s $f14,%1(%0)" : : "p" (l), "i" OFFSETOF(av_alist,floatarg[1]));
if ((l->flags & __AV_DOUBLE_2) && (l->flags & (__AV_FLOAT_1 | __AV_DOUBLE_1)))
__asm__("l.d $f14,%1(%0)" : : "p" (l), "i" OFFSETOF(av_alist,doublearg[1]));
for (i = 4; i < arglen; i++) /* push excess function args */
argframe[i] = l->args[i];
iret = (*(t9 = l->func))(l->args[0], l->args[1], /* call function with 1st 4 args */
l->args[2], l->args[3]);
iret2 = iret2_tmp;
fret = fret_tmp;
dret = dret_tmp;
/* save return value */
switch (l->rtype) {
default:
case __AVvoid:
break;
case __AVword:
RETURN(__avword, iret);
break;
case __AVchar:
RETURN(char, iret);
break;
case __AVschar:
RETURN(signed char, iret);
break;
case __AVuchar:
RETURN(unsigned char, iret);
break;
case __AVshort:
RETURN(short, iret);
break;
case __AVushort:
RETURN(unsigned short, iret);
break;
case __AVint:
RETURN(int, iret);
break;
case __AVuint:
RETURN(unsigned int, iret);
break;
case __AVlong:
RETURN(long, iret);
break;
case __AVulong:
RETURN(unsigned long, iret);
break;
case __AVlonglong:
case __AVulonglong:
((__avword*)l->raddr)[0] = (__avword)(iret);
((__avword*)l->raddr)[1] = iret2;
break;
case __AVfloat:
RETURN(float, fret);
break;
case __AVdouble:
RETURN(double, dret);
break;
case __AVvoidp:
RETURN(void*, (__avword)iret);
break;
case __AVstruct:
if (l->flags & __AV_PCC_STRUCT_RETURN) {
/* pcc struct return convention: need a *(TYPE*)l->raddr = *(TYPE*)i; */
if (l->rsize == sizeof(char)) {
RETURN(char, *(char*)(__avword)iret);
} else
if (l->rsize == sizeof(short)) {
RETURN(short, *(short*)(__avword)iret);
} else
if (l->rsize == sizeof(int)) {
RETURN(int, *(int*)(__avword)iret);
} else
if (l->rsize == sizeof(double)) {
((int*)l->raddr)[0] = ((int*)(__avword)iret)[0];
((int*)l->raddr)[1] = ((int*)(__avword)iret)[1];
} else {
int n = (l->rsize + sizeof(__avword)-1)/sizeof(__avword);
while (--n >= 0)
((__avword*)l->raddr)[n] = ((__avword*)(__avword)iret)[n];
}
} else {
/* normal struct return convention */
if (l->flags & __AV_SMALL_STRUCT_RETURN) {
if (l->rsize == sizeof(char)) {
RETURN(char, iret);
} else
if (l->rsize == sizeof(short)) {
RETURN(short, iret);
} else
if (l->rsize == sizeof(int)) {
RETURN(int, iret);
}
}
}
break;
}
return 0;
}
#endif /*_avcall_mips_c */
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