/*
* 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
* 64 bit additions from reading the PPC elf64abi document .
*
* 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 .
*/
#include <asm/ppc_asm.h>
.file "crtsavres.S"
#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
.section ".text"
#ifndef __powerpc64__
/* 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
#ifdef CONFIG_ALTIVEC
/* Called with r0 pointing just beyond the end of the vector save area. */
_GLOBAL (_savevr_20)
li r11,-192
stvx v20,r11,r0
_GLOBAL (_savevr_21)
li r11,-176
stvx v21,r11,r0
_GLOBAL (_savevr_22)
li r11,-160
stvx v22,r11,r0
_GLOBAL (_savevr_23)
li r11,-144
stvx v23,r11,r0
_GLOBAL (_savevr_24)
li r11,-128
stvx v24,r11,r0
_GLOBAL (_savevr_25)
li r11,-112
stvx v25,r11,r0
_GLOBAL (_savevr_26)
li r11,-96
stvx v26,r11,r0
_GLOBAL (_savevr_27)
li r11,-80
stvx v27,r11,r0
_GLOBAL (_savevr_28)
li r11,-64
stvx v28,r11,r0
_GLOBAL (_savevr_29)
li r11,-48
stvx v29,r11,r0
_GLOBAL (_savevr_30)
li r11,-32
stvx v30,r11,r0
_GLOBAL (_savevr_31)
li r11,-16
stvx v31,r11,r0
blr
_GLOBAL (_restvr_20)
li r11,-192
lvx v20,r11,r0
_GLOBAL (_restvr_21)
li r11,-176
lvx v21,r11,r0
_GLOBAL (_restvr_22)
li r11,-160
lvx v22,r11,r0
_GLOBAL (_restvr_23)
li r11,-144
lvx v23,r11,r0
_GLOBAL (_restvr_24)
li r11,-128
lvx v24,r11,r0
_GLOBAL (_restvr_25)
li r11,-112
lvx v25,r11,r0
_GLOBAL (_restvr_26)
li r11,-96
lvx v26,r11,r0
_GLOBAL (_restvr_27)
li r11,-80
lvx v27,r11,r0
_GLOBAL (_restvr_28)
li r11,-64
lvx v28,r11,r0
_GLOBAL (_restvr_29)
li r11,-48
lvx v29,r11,r0
_GLOBAL (_restvr_30)
li r11,-32
lvx v30,r11,r0
_GLOBAL (_restvr_31)
li r11,-16
lvx v31,r11,r0
blr
#endif /* CONFIG_ALTIVEC */
#else /* CONFIG_PPC64 */
.globl _savegpr0_14
_savegpr0_14:
std r14,-144 (r1)
.globl _savegpr0_15
_savegpr0_15:
std r15,-136 (r1)
.globl _savegpr0_16
_savegpr0_16:
std r16,-128 (r1)
.globl _savegpr0_17
_savegpr0_17:
std r17,-120 (r1)
.globl _savegpr0_18
_savegpr0_18:
std r18,-112 (r1)
.globl _savegpr0_19
_savegpr0_19:
std r19,-104 (r1)
.globl _savegpr0_20
_savegpr0_20:
std r20,-96 (r1)
.globl _savegpr0_21
_savegpr0_21:
std r21,-88 (r1)
.globl _savegpr0_22
_savegpr0_22:
std r22,-80 (r1)
.globl _savegpr0_23
_savegpr0_23:
std r23,-72 (r1)
.globl _savegpr0_24
_savegpr0_24:
std r24,-64 (r1)
.globl _savegpr0_25
_savegpr0_25:
std r25,-56 (r1)
.globl _savegpr0_26
_savegpr0_26:
std r26,-48 (r1)
.globl _savegpr0_27
_savegpr0_27:
std r27,-40 (r1)
.globl _savegpr0_28
_savegpr0_28:
std r28,-32 (r1)
.globl _savegpr0_29
_savegpr0_29:
std r29,-24 (r1)
.globl _savegpr0_30
_savegpr0_30:
std r30,-16 (r1)
.globl _savegpr0_31
_savegpr0_31:
std r31,-8 (r1)
std r0,16 (r1)
blr
.globl _restgpr0_14
_restgpr0_14:
ld r14,-144 (r1)
.globl _restgpr0_15
_restgpr0_15:
ld r15,-136 (r1)
.globl _restgpr0_16
_restgpr0_16:
ld r16,-128 (r1)
.globl _restgpr0_17
_restgpr0_17:
ld r17,-120 (r1)
.globl _restgpr0_18
_restgpr0_18:
ld r18,-112 (r1)
.globl _restgpr0_19
_restgpr0_19:
ld r19,-104 (r1)
.globl _restgpr0_20
_restgpr0_20:
ld r20,-96 (r1)
.globl _restgpr0_21
_restgpr0_21:
ld r21,-88 (r1)
.globl _restgpr0_22
_restgpr0_22:
ld r22,-80 (r1)
.globl _restgpr0_23
_restgpr0_23:
ld r23,-72 (r1)
.globl _restgpr0_24
_restgpr0_24:
ld r24,-64 (r1)
.globl _restgpr0_25
_restgpr0_25:
ld r25,-56 (r1)
.globl _restgpr0_26
_restgpr0_26:
ld r26,-48 (r1)
.globl _restgpr0_27
_restgpr0_27:
ld r27,-40 (r1)
.globl _restgpr0_28
_restgpr0_28:
ld r28,-32 (r1)
.globl _restgpr0_29
_restgpr0_29:
ld r0,16 (r1)
ld r29,-24 (r1)
mtlr r0
ld r30,-16 (r1)
ld r31,-8 (r1)
blr
.globl _restgpr0_30
_restgpr0_30:
ld r30,-16 (r1)
.globl _restgpr0_31
_restgpr0_31:
ld r0,16 (r1)
ld r31,-8 (r1)
mtlr r0
blr
#ifdef CONFIG_ALTIVEC
/* Called with r0 pointing just beyond the end of the vector save area. */
.globl _savevr_20
_savevr_20:
li r12,-192
stvx v20,r12,r0
.globl _savevr_21
_savevr_21:
li r12,-176
stvx v21,r12,r0
.globl _savevr_22
_savevr_22:
li r12,-160
stvx v22,r12,r0
.globl _savevr_23
_savevr_23:
li r12,-144
stvx v23,r12,r0
.globl _savevr_24
_savevr_24:
li r12,-128
stvx v24,r12,r0
.globl _savevr_25
_savevr_25:
li r12,-112
stvx v25,r12,r0
.globl _savevr_26
_savevr_26:
li r12,-96
stvx v26,r12,r0
.globl _savevr_27
_savevr_27:
li r12,-80
stvx v27,r12,r0
.globl _savevr_28
_savevr_28:
li r12,-64
stvx v28,r12,r0
.globl _savevr_29
_savevr_29:
li r12,-48
stvx v29,r12,r0
.globl _savevr_30
_savevr_30:
li r12,-32
stvx v30,r12,r0
.globl _savevr_31
_savevr_31:
li r12,-16
stvx v31,r12,r0
blr
.globl _restvr_20
_restvr_20:
li r12,-192
lvx v20,r12,r0
.globl _restvr_21
_restvr_21:
li r12,-176
lvx v21,r12,r0
.globl _restvr_22
_restvr_22:
li r12,-160
lvx v22,r12,r0
.globl _restvr_23
_restvr_23:
li r12,-144
lvx v23,r12,r0
.globl _restvr_24
_restvr_24:
li r12,-128
lvx v24,r12,r0
.globl _restvr_25
_restvr_25:
li r12,-112
lvx v25,r12,r0
.globl _restvr_26
_restvr_26:
li r12,-96
lvx v26,r12,r0
.globl _restvr_27
_restvr_27:
li r12,-80
lvx v27,r12,r0
.globl _restvr_28
_restvr_28:
li r12,-64
lvx v28,r12,r0
.globl _restvr_29
_restvr_29:
li r12,-48
lvx v29,r12,r0
.globl _restvr_30
_restvr_30:
li r12,-32
lvx v30,r12,r0
.globl _restvr_31
_restvr_31:
li r12,-16
lvx v31,r12,r0
blr
#endif /* CONFIG_ALTIVEC */
#endif /* CONFIG_PPC64 */
#endif
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(vorverarbeitet am 2026-09-28)
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