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 CFI_STARTPROC
  42 CFI_DEF_CFA_REGISTER (11)
  43 CFI_OFFSET (65, 4)
  44 CFI_OFFSET (14, -72)
  45 CFI_OFFSET (15, -68)
  46 CFI_OFFSET (16, -64)
  47 CFI_OFFSET (17, -60)
  48 CFI_OFFSET (18, -56)
  49 CFI_OFFSET (19, -52)
  50 CFI_OFFSET (20, -48)
  51 CFI_OFFSET (21, -44)
  52 CFI_OFFSET (22, -40)
  53 CFI_OFFSET (23, -36)
  54 CFI_OFFSET (24, -32)
  55 CFI_OFFSET (25, -28)
  56 CFI_OFFSET (26, -24)
  57 CFI_OFFSET (27, -20)
  58 CFI_OFFSET (28, -16)
  59 CFI_OFFSET (29, -12)
  60 CFI_OFFSET (30, -8)
  61 CFI_OFFSET (31, -4)
  62 HIDDEN_FUNC(_restgpr_14_x)      lwz     14,-72(11)      /* restore gp registers */
  63 CFI_RESTORE (14)
  64 HIDDEN_FUNC(_restgpr_15_x)      lwz     15,-68(11)
  65 CFI_RESTORE (15)
  66 HIDDEN_FUNC(_restgpr_16_x)      lwz     16,-64(11)
  67 CFI_RESTORE (16)
  68 HIDDEN_FUNC(_restgpr_17_x)      lwz     17,-60(11)
  69 CFI_RESTORE (17)
  70 HIDDEN_FUNC(_restgpr_18_x)      lwz     18,-56(11)
  71 CFI_RESTORE (18)
  72 HIDDEN_FUNC(_restgpr_19_x)      lwz     19,-52(11)
  73 CFI_RESTORE (19)
  74 HIDDEN_FUNC(_restgpr_20_x)      lwz     20,-48(11)
  75 CFI_RESTORE (20)
  76 HIDDEN_FUNC(_restgpr_21_x)      lwz     21,-44(11)
  77 CFI_RESTORE (21)
  78 HIDDEN_FUNC(_restgpr_22_x)      lwz     22,-40(11)
  79 CFI_RESTORE (22)
  80 HIDDEN_FUNC(_restgpr_23_x)      lwz     23,-36(11)
  81 CFI_RESTORE (23)
  82 HIDDEN_FUNC(_restgpr_24_x)      lwz     24,-32(11)
  83 CFI_RESTORE (24)
  84 HIDDEN_FUNC(_restgpr_25_x)      lwz     25,-28(11)
  85 CFI_RESTORE (25)
  86 HIDDEN_FUNC(_restgpr_26_x)      lwz     26,-24(11)
  87 CFI_RESTORE (26)
  88 HIDDEN_FUNC(_restgpr_27_x)      lwz     27,-20(11)
  89 CFI_RESTORE (27)
  90 HIDDEN_FUNC(_restgpr_28_x)      lwz     28,-16(11)
  91 CFI_RESTORE (28)
  92 HIDDEN_FUNC(_restgpr_29_x)      lwz     29,-12(11)
  93 CFI_RESTORE (29)
  94 HIDDEN_FUNC(_restgpr_30_x)      lwz     30,-8(11)
  95 CFI_RESTORE (30)
  96 HIDDEN_FUNC(_restgpr_31_x)      lwz     0,4(11)
  97                                 lwz     31,-4(11)
  98 CFI_RESTORE (31)
  99                                 mtlr    0
 100 CFI_RESTORE (65)
 101                                 mr      1,11
 102 CFI_DEF_CFA_REGISTER (1)
 103                                 blr
 104 FUNC_END(_restgpr_31_x)
 105 FUNC_END(_restgpr_30_x)
 106 FUNC_END(_restgpr_29_x)
 107 FUNC_END(_restgpr_28_x)
 108 FUNC_END(_restgpr_27_x)
 109 FUNC_END(_restgpr_26_x)
 110 FUNC_END(_restgpr_25_x)
 111 FUNC_END(_restgpr_24_x)
 112 FUNC_END(_restgpr_23_x)
 113 FUNC_END(_restgpr_22_x)
 114 FUNC_END(_restgpr_21_x)
 115 FUNC_END(_restgpr_20_x)
 116 FUNC_END(_restgpr_19_x)
 117 FUNC_END(_restgpr_18_x)
 118 FUNC_END(_restgpr_17_x)
 119 FUNC_END(_restgpr_16_x)
 120 FUNC_END(_restgpr_15_x)
 121 FUNC_END(_restgpr_14_x)
 122 CFI_ENDPROC
 123
 124 #endif