/* * Special support for eabi and SVR4 * * Copyright (C) 1995, 1996, 1998, 2000, 2001 Free Software Foundation, Inc. * Copyright 2008 Freescale Semiconductor, Inc. * Written By Michael Meissner * * Based on gcc/config/rs6000/crtsavres.asm from gcc * * This file is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * In addition to the permissions in the GNU General Public License, the * Free Software Foundation gives you unlimited permission to link the * compiled version of this file with other programs, and to distribute * those programs without any restriction coming from the use of this * file. (The General Public License restrictions do apply in other * respects; for example, they cover modification of the file, and * distribution when not linked into another program.) * * This file is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. * * As a special exception, if you link this library with files * compiled with GCC to produce an executable, this does not cause * the resulting executable to be covered by the GNU General Public License. * This exception does not however invalidate any other reasons why * the executable file might be covered by the GNU General Public License. */ #ifdef __powerpc64__ #error "On PPC64, FPR save/restore functions are provided by the linker." #endif .file "crtsavres.S" .section ".text" #define _GLOBAL(name) \ .type name,@function; \ .globl name; \ name: /* Routines for saving integer registers, called by the compiler. */ /* Called with r11 pointing to the stack header word of the caller of the */ /* function, just beyond the end of the integer save area. */ _GLOBAL(_savegpr_14) _GLOBAL(_save32gpr_14) stw 14,-72(11) /* save gp registers */ _GLOBAL(_savegpr_15) _GLOBAL(_save32gpr_15) stw 15,-68(11) _GLOBAL(_savegpr_16) _GLOBAL(_save32gpr_16) stw 16,-64(11) _GLOBAL(_savegpr_17) _GLOBAL(_save32gpr_17) stw 17,-60(11) _GLOBAL(_savegpr_18) _GLOBAL(_save32gpr_18) stw 18,-56(11) _GLOBAL(_savegpr_19) _GLOBAL(_save32gpr_19) stw 19,-52(11) _GLOBAL(_savegpr_20) _GLOBAL(_save32gpr_20) stw 20,-48(11) _GLOBAL(_savegpr_21) _GLOBAL(_save32gpr_21) stw 21,-44(11) _GLOBAL(_savegpr_22) _GLOBAL(_save32gpr_22) stw 22,-40(11) _GLOBAL(_savegpr_23) _GLOBAL(_save32gpr_23) stw 23,-36(11) _GLOBAL(_savegpr_24) _GLOBAL(_save32gpr_24) stw 24,-32(11) _GLOBAL(_savegpr_25) _GLOBAL(_save32gpr_25) stw 25,-28(11) _GLOBAL(_savegpr_26) _GLOBAL(_save32gpr_26) stw 26,-24(11) _GLOBAL(_savegpr_27) _GLOBAL(_save32gpr_27) stw 27,-20(11) _GLOBAL(_savegpr_28) _GLOBAL(_save32gpr_28) stw 28,-16(11) _GLOBAL(_savegpr_29) _GLOBAL(_save32gpr_29) stw 29,-12(11) _GLOBAL(_savegpr_30) _GLOBAL(_save32gpr_30) stw 30,-8(11) _GLOBAL(_savegpr_31) _GLOBAL(_save32gpr_31) stw 31,-4(11) blr /* Routines for restoring integer registers, called by the compiler. */ /* Called with r11 pointing to the stack header word of the caller of the */ /* function, just beyond the end of the integer restore area. */ _GLOBAL(_restgpr_14) _GLOBAL(_rest32gpr_14) lwz 14,-72(11) /* restore gp registers */ _GLOBAL(_restgpr_15) _GLOBAL(_rest32gpr_15) lwz 15,-68(11) _GLOBAL(_restgpr_16) _GLOBAL(_rest32gpr_16) lwz 16,-64(11) _GLOBAL(_restgpr_17) _GLOBAL(_rest32gpr_17) lwz 17,-60(11) _GLOBAL(_restgpr_18) _GLOBAL(_rest32gpr_18) lwz 18,-56(11) _GLOBAL(_restgpr_19) _GLOBAL(_rest32gpr_19) lwz 19,-52(11) _GLOBAL(_restgpr_20) _GLOBAL(_rest32gpr_20) lwz 20,-48(11) _GLOBAL(_restgpr_21) _GLOBAL(_rest32gpr_21) lwz 21,-44(11) _GLOBAL(_restgpr_22) _GLOBAL(_rest32gpr_22) lwz 22,-40(11) _GLOBAL(_restgpr_23) _GLOBAL(_rest32gpr_23) lwz 23,-36(11) _GLOBAL(_restgpr_24) _GLOBAL(_rest32gpr_24) lwz 24,-32(11) _GLOBAL(_restgpr_25) _GLOBAL(_rest32gpr_25) lwz 25,-28(11) _GLOBAL(_restgpr_26) _GLOBAL(_rest32gpr_26) lwz 26,-24(11) _GLOBAL(_restgpr_27) _GLOBAL(_rest32gpr_27) lwz 27,-20(11) _GLOBAL(_restgpr_28) _GLOBAL(_rest32gpr_28) lwz 28,-16(11) _GLOBAL(_restgpr_29) _GLOBAL(_rest32gpr_29) lwz 29,-12(11) _GLOBAL(_restgpr_30) _GLOBAL(_rest32gpr_30) lwz 30,-8(11) _GLOBAL(_restgpr_31) _GLOBAL(_rest32gpr_31) lwz 31,-4(11) blr /* Routines for restoring integer registers, called by the compiler. */ /* Called with r11 pointing to the stack header word of the caller of the */ /* function, just beyond the end of the integer restore area. */ _GLOBAL(_restgpr_14_x) _GLOBAL(_rest32gpr_14_x) lwz 14,-72(11) /* restore gp registers */ _GLOBAL(_restgpr_15_x) _GLOBAL(_rest32gpr_15_x) lwz 15,-68(11) _GLOBAL(_restgpr_16_x) _GLOBAL(_rest32gpr_16_x) lwz 16,-64(11) _GLOBAL(_restgpr_17_x) _GLOBAL(_rest32gpr_17_x) lwz 17,-60(11) _GLOBAL(_restgpr_18_x) _GLOBAL(_rest32gpr_18_x) lwz 18,-56(11) _GLOBAL(_restgpr_19_x) _GLOBAL(_rest32gpr_19_x) lwz 19,-52(11) _GLOBAL(_restgpr_20_x) _GLOBAL(_rest32gpr_20_x) lwz 20,-48(11) _GLOBAL(_restgpr_21_x) _GLOBAL(_rest32gpr_21_x) lwz 21,-44(11) _GLOBAL(_restgpr_22_x) _GLOBAL(_rest32gpr_22_x) lwz 22,-40(11) _GLOBAL(_restgpr_23_x) _GLOBAL(_rest32gpr_23_x) lwz 23,-36(11) _GLOBAL(_restgpr_24_x) _GLOBAL(_rest32gpr_24_x) lwz 24,-32(11) _GLOBAL(_restgpr_25_x) _GLOBAL(_rest32gpr_25_x) lwz 25,-28(11) _GLOBAL(_restgpr_26_x) _GLOBAL(_rest32gpr_26_x) lwz 26,-24(11) _GLOBAL(_restgpr_27_x) _GLOBAL(_rest32gpr_27_x) lwz 27,-20(11) _GLOBAL(_restgpr_28_x) _GLOBAL(_rest32gpr_28_x) lwz 28,-16(11) _GLOBAL(_restgpr_29_x) _GLOBAL(_rest32gpr_29_x) lwz 29,-12(11) _GLOBAL(_restgpr_30_x) _GLOBAL(_rest32gpr_30_x) lwz 30,-8(11) _GLOBAL(_restgpr_31_x) _GLOBAL(_rest32gpr_31_x) lwz 0,4(11) lwz 31,-4(11) mtlr 0 mr 1,11 blr