gcc/config/rs6000/crtresxgpr.asm

   1 /*
   2  * Special support for eabi and SVR4
   3  *
   4  *   Copyright (C) 1995, 1996, 1998, 2000, 2001, 2008
   5  *   Free Software Foundation, Inc.
   6  *   Written By Michael Meissner
   7  *   64-bit support written by David Edelsohn
   8  *
   9  * This file is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License as published by the
  11  * Free Software Foundation; either version 2, or (at your option) any
  12  * later version.
  13  *
  14  * In addition to the permissions in the GNU General Public License, the
  15  * Free Software Foundation gives you unlimited permission to link the
  16  * compiled version of this file with other programs, and to distribute
  17  * those programs without any restriction coming from the use of this
  18  * file.  (The General Public License restrictions do apply in other
  19  * respects; for example, they cover modification of the file, and
  20  * distribution when not linked into another program.)
  21  *
  22  * This file is distributed in the hope that it will be useful, but
  23  * WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  25  * General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License
  28  * along with this program; see the file COPYING.  If not, write to
  29  * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  30  * Boston, MA 02110-1301, USA.
  31  *
  32  *    As a special exception, if you link this library with files
  33  *    compiled with GCC to produce an executable, this does not cause
  34  *    the resulting executable to be covered by the GNU General Public License.
  35  *    This exception does not however invalidate any other reasons why
  36  *    the executable file might be covered by the GNU General Public License.
  37  */
  38
  39 /* Do any initializations needed for the eabi environment */
  40
  41         .file   "crtresxgpr.asm"
  42         .section ".text"
  43         #include "ppc-asm.h"
  44
  45 /* On PowerPC64 Linux, these functions are provided by the linker.  */
  46 #ifndef __powerpc64__
  47
  48 /* Routines for restoring integer registers, called by the compiler.  */
  49 /* Called with r11 pointing to the stack header word of the caller of the */
  50 /* function, just beyond the end of the integer restore area.  */
  51
  52 FUNC_START(_restgpr_14_x)       lwz     14,-72(11)      /* restore gp registers */
  53 FUNC_START(_restgpr_15_x)       lwz     15,-68(11)
  54 FUNC_START(_restgpr_16_x)       lwz     16,-64(11)
  55 FUNC_START(_restgpr_17_x)       lwz     17,-60(11)
  56 FUNC_START(_restgpr_18_x)       lwz     18,-56(11)
  57 FUNC_START(_restgpr_19_x)       lwz     19,-52(11)
  58 FUNC_START(_restgpr_20_x)       lwz     20,-48(11)
  59 FUNC_START(_restgpr_21_x)       lwz     21,-44(11)
  60 FUNC_START(_restgpr_22_x)       lwz     22,-40(11)
  61 FUNC_START(_restgpr_23_x)       lwz     23,-36(11)
  62 FUNC_START(_restgpr_24_x)       lwz     24,-32(11)
  63 FUNC_START(_restgpr_25_x)       lwz     25,-28(11)
  64 FUNC_START(_restgpr_26_x)       lwz     26,-24(11)
  65 FUNC_START(_restgpr_27_x)       lwz     27,-20(11)
  66 FUNC_START(_restgpr_28_x)       lwz     28,-16(11)
  67 FUNC_START(_restgpr_29_x)       lwz     29,-12(11)
  68 FUNC_START(_restgpr_30_x)       lwz     30,-8(11)
  69 FUNC_START(_restgpr_31_x)       lwz     0,4(11)
  70                                 lwz     31,-4(11)
  71                                 mtlr    0
  72                                 mr      1,11
  73                                 blr
  74 FUNC_END(_restgpr_31_x)
  75 FUNC_END(_restgpr_30_x)
  76 FUNC_END(_restgpr_29_x)
  77 FUNC_END(_restgpr_28_x)
  78 FUNC_END(_restgpr_27_x)
  79 FUNC_END(_restgpr_26_x)
  80 FUNC_END(_restgpr_25_x)
  81 FUNC_END(_restgpr_24_x)
  82 FUNC_END(_restgpr_23_x)
  83 FUNC_END(_restgpr_22_x)
  84 FUNC_END(_restgpr_21_x)
  85 FUNC_END(_restgpr_20_x)
  86 FUNC_END(_restgpr_19_x)
  87 FUNC_END(_restgpr_18_x)
  88 FUNC_END(_restgpr_17_x)
  89 FUNC_END(_restgpr_16_x)
  90 FUNC_END(_restgpr_15_x)
  91 FUNC_END(_restgpr_14_x)
  92
  93 #endif