dyncall_args_ppc32.c

/*
 Package: dyncall
 Library: dyncallback
 File: dyncallback/dyncall_args_ppc32.c
 Description: Callback's Arguments VM - Implementation for ppc32
 License:
 Copyright (c) 2007-2009 Daniel Adler <dadler@uni-goettingen.de>,
                         Tassilo Philipp <tphilipp@potion-studios.com>

 Permission to use, copy, modify, and distribute this software for any
 purpose with or without fee is hereby granted, provided that the above
 copyright notice and this permission notice appear in all copies.

 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

*/
#include "dyncall_args_ppc32.h"

DCint       dcbArgInt      (DCArgs* p) 
{
  DCint value;
  if (p->ireg_count < 8)
    value = p->ireg_data[p->ireg_count++];
  else
    value = *( (int*) p->stackptr );
  p->stackptr += sizeof(int);
  return value;
}
DCuint      dcbArgUInt     (DCArgs* p) { return (DCuint)  dcbArgInt(p);  }

DCulonglong  dcbArgULongLong (DCArgs* p) 
{
  DCulonglong value;
  value  = ( (DCulonglong) dcbArgUInt(p) ) << 16UL;
  value |= dcbArgUInt(p);
  return value;
}
DClonglong  dcbArgLongLong(DCArgs* p) { return (DClonglong)dcbArgULongLong(p); }

DClong      dcbArgLong     (DCArgs* p) { return (DClong)  dcbArgUInt(p); }
DCulong     dcbArgULong    (DCArgs* p) { return (DCulong) dcbArgUInt(p); }
DCchar      dcbArgChar     (DCArgs* p) { return (DCchar)  dcbArgUInt(p); }
DCuchar     dcbArgUChar    (DCArgs* p) { return (DCuchar) dcbArgUInt(p); }
DCshort     dcbArgShort    (DCArgs* p) { return (DCshort) dcbArgUInt(p); }
DCushort    dcbArgUShort   (DCArgs* p) { return (DCushort)dcbArgUInt(p); }
DCbool      dcbArgBool     (DCArgs* p) { return (DCbool)  dcbArgUInt(p); }

DCpointer   dcbArgPointer  (DCArgs* p) { return (DCpointer)dcbArgUInt(p); }

DCdouble    dcbArgDouble   (DCArgs* p) 
{ 
  DCdouble result;
  if (p->ireg_count < 7) { 
    p->ireg_count+=2;
  } else if (p->ireg_count == 7) {
    p->ireg_count = 8;
  }
  if (p->freg_count < 13) {
    result = p->freg_data[p->freg_count++];
  } else {
    result = * ( (double*) p->stackptr );
  }
  p->stackptr += sizeof(double);
  return result;
}
DCfloat     dcbArgFloat    (DCArgs* p)
{ 
  DCfloat result;
  if (p->ireg_count < 8)
    p->ireg_count++;
  if (p->freg_count < 13) {
    result = (DCfloat) p->freg_data[p->freg_count++];
  } else {
    result = * ( (float*) p->stackptr );
  }
  p->stackptr += sizeof(float);
  return result; 
}