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545 lines
11 KiB
545 lines
11 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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* 64 bit additions from reading the PPC elf64abi document. |
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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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#include <asm/ppc_asm.h> |
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.file "crtsavres.S" |
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#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE |
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.section ".text" |
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#ifndef CONFIG_PPC64 |
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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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#ifdef CONFIG_ALTIVEC |
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/* Called with r0 pointing just beyond the end of the vector save area. */ |
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_GLOBAL(_savevr_20) |
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li r11,-192 |
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stvx v20,r11,r0 |
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_GLOBAL(_savevr_21) |
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li r11,-176 |
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stvx v21,r11,r0 |
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_GLOBAL(_savevr_22) |
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li r11,-160 |
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stvx v22,r11,r0 |
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_GLOBAL(_savevr_23) |
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li r11,-144 |
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stvx v23,r11,r0 |
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_GLOBAL(_savevr_24) |
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li r11,-128 |
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stvx v24,r11,r0 |
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_GLOBAL(_savevr_25) |
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li r11,-112 |
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stvx v25,r11,r0 |
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_GLOBAL(_savevr_26) |
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li r11,-96 |
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stvx v26,r11,r0 |
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_GLOBAL(_savevr_27) |
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li r11,-80 |
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stvx v27,r11,r0 |
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_GLOBAL(_savevr_28) |
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li r11,-64 |
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stvx v28,r11,r0 |
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_GLOBAL(_savevr_29) |
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li r11,-48 |
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stvx v29,r11,r0 |
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_GLOBAL(_savevr_30) |
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li r11,-32 |
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stvx v30,r11,r0 |
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_GLOBAL(_savevr_31) |
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li r11,-16 |
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stvx v31,r11,r0 |
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blr |
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_GLOBAL(_restvr_20) |
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li r11,-192 |
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lvx v20,r11,r0 |
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_GLOBAL(_restvr_21) |
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li r11,-176 |
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lvx v21,r11,r0 |
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_GLOBAL(_restvr_22) |
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li r11,-160 |
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lvx v22,r11,r0 |
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_GLOBAL(_restvr_23) |
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li r11,-144 |
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lvx v23,r11,r0 |
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_GLOBAL(_restvr_24) |
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li r11,-128 |
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lvx v24,r11,r0 |
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_GLOBAL(_restvr_25) |
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li r11,-112 |
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lvx v25,r11,r0 |
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_GLOBAL(_restvr_26) |
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li r11,-96 |
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lvx v26,r11,r0 |
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_GLOBAL(_restvr_27) |
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li r11,-80 |
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lvx v27,r11,r0 |
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_GLOBAL(_restvr_28) |
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li r11,-64 |
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lvx v28,r11,r0 |
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_GLOBAL(_restvr_29) |
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li r11,-48 |
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lvx v29,r11,r0 |
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_GLOBAL(_restvr_30) |
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li r11,-32 |
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lvx v30,r11,r0 |
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_GLOBAL(_restvr_31) |
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li r11,-16 |
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lvx v31,r11,r0 |
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blr |
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#endif /* CONFIG_ALTIVEC */ |
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#else /* CONFIG_PPC64 */ |
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.globl _savegpr0_14 |
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_savegpr0_14: |
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std r14,-144(r1) |
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.globl _savegpr0_15 |
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_savegpr0_15: |
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std r15,-136(r1) |
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.globl _savegpr0_16 |
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_savegpr0_16: |
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std r16,-128(r1) |
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.globl _savegpr0_17 |
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_savegpr0_17: |
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std r17,-120(r1) |
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.globl _savegpr0_18 |
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_savegpr0_18: |
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std r18,-112(r1) |
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.globl _savegpr0_19 |
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_savegpr0_19: |
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std r19,-104(r1) |
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.globl _savegpr0_20 |
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_savegpr0_20: |
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std r20,-96(r1) |
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.globl _savegpr0_21 |
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_savegpr0_21: |
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std r21,-88(r1) |
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.globl _savegpr0_22 |
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_savegpr0_22: |
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std r22,-80(r1) |
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.globl _savegpr0_23 |
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_savegpr0_23: |
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std r23,-72(r1) |
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.globl _savegpr0_24 |
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_savegpr0_24: |
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std r24,-64(r1) |
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.globl _savegpr0_25 |
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_savegpr0_25: |
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std r25,-56(r1) |
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.globl _savegpr0_26 |
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_savegpr0_26: |
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std r26,-48(r1) |
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.globl _savegpr0_27 |
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_savegpr0_27: |
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std r27,-40(r1) |
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.globl _savegpr0_28 |
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_savegpr0_28: |
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std r28,-32(r1) |
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.globl _savegpr0_29 |
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_savegpr0_29: |
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std r29,-24(r1) |
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.globl _savegpr0_30 |
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_savegpr0_30: |
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std r30,-16(r1) |
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.globl _savegpr0_31 |
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_savegpr0_31: |
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std r31,-8(r1) |
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std r0,16(r1) |
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blr |
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.globl _restgpr0_14 |
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_restgpr0_14: |
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ld r14,-144(r1) |
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.globl _restgpr0_15 |
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_restgpr0_15: |
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ld r15,-136(r1) |
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.globl _restgpr0_16 |
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_restgpr0_16: |
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ld r16,-128(r1) |
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.globl _restgpr0_17 |
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_restgpr0_17: |
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ld r17,-120(r1) |
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.globl _restgpr0_18 |
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_restgpr0_18: |
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ld r18,-112(r1) |
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.globl _restgpr0_19 |
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_restgpr0_19: |
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ld r19,-104(r1) |
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.globl _restgpr0_20 |
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_restgpr0_20: |
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ld r20,-96(r1) |
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.globl _restgpr0_21 |
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_restgpr0_21: |
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ld r21,-88(r1) |
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.globl _restgpr0_22 |
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_restgpr0_22: |
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ld r22,-80(r1) |
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.globl _restgpr0_23 |
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_restgpr0_23: |
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ld r23,-72(r1) |
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.globl _restgpr0_24 |
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_restgpr0_24: |
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ld r24,-64(r1) |
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.globl _restgpr0_25 |
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_restgpr0_25: |
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ld r25,-56(r1) |
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.globl _restgpr0_26 |
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_restgpr0_26: |
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ld r26,-48(r1) |
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.globl _restgpr0_27 |
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_restgpr0_27: |
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ld r27,-40(r1) |
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.globl _restgpr0_28 |
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_restgpr0_28: |
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ld r28,-32(r1) |
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.globl _restgpr0_29 |
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_restgpr0_29: |
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ld r0,16(r1) |
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ld r29,-24(r1) |
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mtlr r0 |
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ld r30,-16(r1) |
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ld r31,-8(r1) |
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blr |
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.globl _restgpr0_30 |
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_restgpr0_30: |
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ld r30,-16(r1) |
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.globl _restgpr0_31 |
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_restgpr0_31: |
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ld r0,16(r1) |
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ld r31,-8(r1) |
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mtlr r0 |
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blr |
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#ifdef CONFIG_ALTIVEC |
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/* Called with r0 pointing just beyond the end of the vector save area. */ |
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.globl _savevr_20 |
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_savevr_20: |
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li r12,-192 |
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stvx v20,r12,r0 |
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.globl _savevr_21 |
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_savevr_21: |
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li r12,-176 |
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stvx v21,r12,r0 |
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.globl _savevr_22 |
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_savevr_22: |
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li r12,-160 |
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stvx v22,r12,r0 |
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.globl _savevr_23 |
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_savevr_23: |
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li r12,-144 |
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stvx v23,r12,r0 |
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.globl _savevr_24 |
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_savevr_24: |
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li r12,-128 |
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stvx v24,r12,r0 |
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.globl _savevr_25 |
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_savevr_25: |
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li r12,-112 |
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stvx v25,r12,r0 |
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.globl _savevr_26 |
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_savevr_26: |
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li r12,-96 |
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stvx v26,r12,r0 |
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.globl _savevr_27 |
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_savevr_27: |
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li r12,-80 |
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stvx v27,r12,r0 |
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.globl _savevr_28 |
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_savevr_28: |
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li r12,-64 |
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stvx v28,r12,r0 |
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.globl _savevr_29 |
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_savevr_29: |
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li r12,-48 |
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stvx v29,r12,r0 |
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.globl _savevr_30 |
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_savevr_30: |
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li r12,-32 |
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stvx v30,r12,r0 |
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.globl _savevr_31 |
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_savevr_31: |
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li r12,-16 |
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stvx v31,r12,r0 |
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blr |
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.globl _restvr_20 |
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_restvr_20: |
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li r12,-192 |
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lvx v20,r12,r0 |
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.globl _restvr_21 |
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_restvr_21: |
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li r12,-176 |
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lvx v21,r12,r0 |
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.globl _restvr_22 |
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_restvr_22: |
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li r12,-160 |
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lvx v22,r12,r0 |
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.globl _restvr_23 |
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_restvr_23: |
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li r12,-144 |
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lvx v23,r12,r0 |
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.globl _restvr_24 |
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_restvr_24: |
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li r12,-128 |
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lvx v24,r12,r0 |
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.globl _restvr_25 |
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_restvr_25: |
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li r12,-112 |
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lvx v25,r12,r0 |
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.globl _restvr_26 |
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_restvr_26: |
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li r12,-96 |
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lvx v26,r12,r0 |
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.globl _restvr_27 |
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_restvr_27: |
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li r12,-80 |
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lvx v27,r12,r0 |
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.globl _restvr_28 |
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_restvr_28: |
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li r12,-64 |
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lvx v28,r12,r0 |
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.globl _restvr_29 |
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_restvr_29: |
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li r12,-48 |
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lvx v29,r12,r0 |
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.globl _restvr_30 |
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_restvr_30: |
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li r12,-32 |
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lvx v30,r12,r0 |
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.globl _restvr_31 |
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_restvr_31: |
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li r12,-16 |
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lvx v31,r12,r0 |
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blr |
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#endif /* CONFIG_ALTIVEC */ |
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#endif /* CONFIG_PPC64 */ |
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#endif
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