1  /*  Macro definitions to used to support 32/64-bit code in Darwin's
       2   *  assembly files.
       3   *
       4   *   Copyright (C) 2004-2023 Free Software Foundation, Inc.
       5   * 
       6   * This file is free software; you can redistribute it and/or modify it
       7   * under the terms of the GNU General Public License as published by the
       8   * Free Software Foundation; either version 3, or (at your option) any
       9   * later version.
      10   * 
      11   * This file is distributed in the hope that it will be useful, but
      12   * WITHOUT ANY WARRANTY; without even the implied warranty of
      13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14   * General Public License for more details.
      15   * 
      16   * Under Section 7 of GPL version 3, you are granted additional
      17   * permissions described in the GCC Runtime Library Exception, version
      18   * 3.1, as published by the Free Software Foundation.
      19   *
      20   * You should have received a copy of the GNU General Public License and
      21   * a copy of the GCC Runtime Library Exception along with this program;
      22   * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      23   * <http://www.gnu.org/licenses/>.
      24   */ 
      25  
      26  /* These are donated from /usr/include/architecture/ppc . */
      27  
      28  #if defined(__ppc64__)
      29  #define MODE_CHOICE(x, y) y
      30  #else
      31  #define MODE_CHOICE(x, y) x
      32  #endif
      33  
      34  #define cmpg    MODE_CHOICE(cmpw, cmpd)
      35  #define lg      MODE_CHOICE(lwz, ld)
      36  #define stg     MODE_CHOICE(stw, std)
      37  #define lgx     MODE_CHOICE(lwzx, ldx)
      38  #define stgx    MODE_CHOICE(stwx, stdx)
      39  #define lgu     MODE_CHOICE(lwzu, ldu)
      40  #define stgu    MODE_CHOICE(stwu, stdu)
      41  #define lgux    MODE_CHOICE(lwzux, ldux)
      42  #define stgux   MODE_CHOICE(stwux, stdux)
      43  #define lgwa    MODE_CHOICE(lwz, lwa)
      44  
      45  #define g_long  MODE_CHOICE(long, quad)         /* usage is ".g_long" */
      46  
      47  #define GPR_BYTES       MODE_CHOICE(4,8)        /* size of a GPR in bytes */
      48  #define LOG2_GPR_BYTES  MODE_CHOICE(2,3)        /* log2(GPR_BYTES) */
      49  
      50  #define SAVED_LR_OFFSET MODE_CHOICE(8,16)	/* position of saved
      51  						   LR in frame */