gcc/config/rs6000/crtresxgpr.asm

   1 /*
   2  * Special support for eabi and SVR4
   3  *
   4  *   Copyright (C) 1995, 1996, 1998, 2000, 2001, 2008, 2009
   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 3, or (at your option) any
  12  * later version.
  13  *
  14  * This file is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * Under Section 7 of GPL version 3, you are granted additional
  20  * permissions described in the GCC Runtime Library Exception, version
  21  * 3.1, as published by the Free Software Foundation.
  22  *
  23  * You should have received a copy of the GNU General Public License and
  24  * a copy of the GCC Runtime Library Exception along with this program;
  25  * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  26  * <http://www.gnu.org/licenses/>.
  27  */
  28
  29 /* Do any initializations needed for the eabi environment */
  30
  31         .section ".text"
  32         #include "ppc-asm.h"
  33
  34 /* On PowerPC64 Linux, these functions are provided by the linker.  */
  35 #ifndef __powerpc64__
  36
  37 /* Routines for restoring integer registers, called by the compiler.  */
  38 /* Called with r11 pointing to the stack header word of the caller of the */
  39 /* function, just beyond the end of the integer restore area.  */
  40
  41 HIDDEN_FUNC(_restgpr_14_x)      lwz     14,-72(11)      /* restore gp registers */
  42 HIDDEN_FUNC(_restgpr_15_x)      lwz     15,-68(11)
  43 HIDDEN_FUNC(_restgpr_16_x)      lwz     16,-64(11)
  44 HIDDEN_FUNC(_restgpr_17_x)      lwz     17,-60(11)
  45 HIDDEN_FUNC(_restgpr_18_x)      lwz     18,-56(11)
  46 HIDDEN_FUNC(_restgpr_19_x)      lwz     19,-52(11)
  47 HIDDEN_FUNC(_restgpr_20_x)      lwz     20,-48(11)
  48 HIDDEN_FUNC(_restgpr_21_x)      lwz     21,-44(11)
  49 HIDDEN_FUNC(_restgpr_22_x)      lwz     22,-40(11)
  50 HIDDEN_FUNC(_restgpr_23_x)      lwz     23,-36(11)
  51 HIDDEN_FUNC(_restgpr_24_x)      lwz     24,-32(11)
  52 HIDDEN_FUNC(_restgpr_25_x)      lwz     25,-28(11)
  53 HIDDEN_FUNC(_restgpr_26_x)      lwz     26,-24(11)
  54 HIDDEN_FUNC(_restgpr_27_x)      lwz     27,-20(11)
  55 HIDDEN_FUNC(_restgpr_28_x)      lwz     28,-16(11)
  56 HIDDEN_FUNC(_restgpr_29_x)      lwz     29,-12(11)
  57 HIDDEN_FUNC(_restgpr_30_x)      lwz     30,-8(11)
  58 HIDDEN_FUNC(_restgpr_31_x)      lwz     0,4(11)
  59                                 lwz     31,-4(11)
  60                                 mtlr    0
  61                                 mr      1,11
  62                                 blr
  63 FUNC_END(_restgpr_31_x)
  64 FUNC_END(_restgpr_30_x)
  65 FUNC_END(_restgpr_29_x)
  66 FUNC_END(_restgpr_28_x)
  67 FUNC_END(_restgpr_27_x)
  68 FUNC_END(_restgpr_26_x)
  69 FUNC_END(_restgpr_25_x)
  70 FUNC_END(_restgpr_24_x)
  71 FUNC_END(_restgpr_23_x)
  72 FUNC_END(_restgpr_22_x)
  73 FUNC_END(_restgpr_21_x)
  74 FUNC_END(_restgpr_20_x)
  75 FUNC_END(_restgpr_19_x)
  76 FUNC_END(_restgpr_18_x)
  77 FUNC_END(_restgpr_17_x)
  78 FUNC_END(_restgpr_16_x)
  79 FUNC_END(_restgpr_15_x)
  80 FUNC_END(_restgpr_14_x)
  81
  82 #endif