libgcc/config/rs6000/crtsavgpr.S

   1 /*
   2  * Special support for eabi and SVR4
   3  *
   4  *   Copyright (C) 1995-2023 Free Software Foundation, Inc.
   5  *   Written By Michael Meissner
   6  *   64-bit support written by David Edelsohn
   7  *
   8  * This file is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 3, or (at your option) any
  11  * later version.
  12  *
  13  * This file is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * Under Section 7 of GPL version 3, you are granted additional
  19  * permissions described in the GCC Runtime Library Exception, version
  20  * 3.1, as published by the Free Software Foundation.
  21  *
  22  * You should have received a copy of the GNU General Public License and
  23  * a copy of the GCC Runtime Library Exception along with this program;
  24  * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25  * <http://www.gnu.org/licenses/>.
  26  */
  27
  28 /* Do any initializations needed for the eabi environment */
  29
  30         .section ".text"
  31         #include "ppc-asm.h"
  32
  33 /* On PowerPC64 Linux, these functions are provided by the linker.  */
  34 #ifndef __powerpc64__
  35
  36 /* Routines for saving integer registers, called by the compiler.  */
  37 /* Called with r11 pointing to the stack header word of the caller of the */
  38 /* function, just beyond the end of the integer save area.  */
  39
  40 CFI_STARTPROC
  41 HIDDEN_FUNC(_savegpr_14)        stw     14,-72(11)      /* save gp registers */
  42 HIDDEN_FUNC(_savegpr_15)        stw     15,-68(11)
  43 HIDDEN_FUNC(_savegpr_16)        stw     16,-64(11)
  44 HIDDEN_FUNC(_savegpr_17)        stw     17,-60(11)
  45 HIDDEN_FUNC(_savegpr_18)        stw     18,-56(11)
  46 HIDDEN_FUNC(_savegpr_19)        stw     19,-52(11)
  47 HIDDEN_FUNC(_savegpr_20)        stw     20,-48(11)
  48 HIDDEN_FUNC(_savegpr_21)        stw     21,-44(11)
  49 HIDDEN_FUNC(_savegpr_22)        stw     22,-40(11)
  50 HIDDEN_FUNC(_savegpr_23)        stw     23,-36(11)
  51 HIDDEN_FUNC(_savegpr_24)        stw     24,-32(11)
  52 HIDDEN_FUNC(_savegpr_25)        stw     25,-28(11)
  53 HIDDEN_FUNC(_savegpr_26)        stw     26,-24(11)
  54 HIDDEN_FUNC(_savegpr_27)        stw     27,-20(11)
  55 HIDDEN_FUNC(_savegpr_28)        stw     28,-16(11)
  56 HIDDEN_FUNC(_savegpr_29)        stw     29,-12(11)
  57 HIDDEN_FUNC(_savegpr_30)        stw     30,-8(11)
  58 HIDDEN_FUNC(_savegpr_31)        stw     31,-4(11)
  59                         blr
  60 FUNC_END(_savegpr_31)
  61 FUNC_END(_savegpr_30)
  62 FUNC_END(_savegpr_29)
  63 FUNC_END(_savegpr_28)
  64 FUNC_END(_savegpr_27)
  65 FUNC_END(_savegpr_26)
  66 FUNC_END(_savegpr_25)
  67 FUNC_END(_savegpr_24)
  68 FUNC_END(_savegpr_23)
  69 FUNC_END(_savegpr_22)
  70 FUNC_END(_savegpr_21)
  71 FUNC_END(_savegpr_20)
  72 FUNC_END(_savegpr_19)
  73 FUNC_END(_savegpr_18)
  74 FUNC_END(_savegpr_17)
  75 FUNC_END(_savegpr_16)
  76 FUNC_END(_savegpr_15)
  77 FUNC_END(_savegpr_14)
  78 CFI_ENDPROC
  79
  80 #endif