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