70 lines
2.4 KiB
ArmAsm
70 lines
2.4 KiB
ArmAsm
/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/*
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General Purpose Register (GPR) restore routine
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when Floating Point Registers (FPRs) are not saved
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Note: This restore routine must not be called when GPR30 or
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GPR31, or both, are the only registers beings saved. In these
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cases, the saving and restoring must be done inline.
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*/
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#include <sysdep.h>
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ENTRY(_restgpr0_all)
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.globl C_TEXT(_restgpr0_13)
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C_TEXT(_restgpr0_13): lwz r13,-76(r1)
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.globl C_TEXT(_restgpr0_14)
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C_TEXT(_restgpr0_14): lwz r14,-72(r1)
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.globl C_TEXT(_restgpr0_15)
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C_TEXT(_restgpr0_15): lwz r15,-68(r1)
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.globl C_TEXT(_restgpr0_16)
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C_TEXT(_restgpr0_16): lwz r16,-64(r1)
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.globl C_TEXT(_restgpr0_17)
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C_TEXT(_restgpr0_17): lwz r17,-60(r1)
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.globl C_TEXT(_restgpr0_18)
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C_TEXT(_restgpr0_18): lwz r18,-56(r1)
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.globl C_TEXT(_restgpr0_19)
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C_TEXT(_restgpr0_19): lwz r19,-52(r1)
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.globl C_TEXT(_restgpr0_20)
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C_TEXT(_restgpr0_20): lwz r20,-48(r1)
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.globl C_TEXT(_restgpr0_21)
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C_TEXT(_restgpr0_21): lwz r21,-44(r1)
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.globl C_TEXT(_restgpr0_22)
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C_TEXT(_restgpr0_22): lwz r22,-40(r1)
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.globl C_TEXT(_restgpr0_23)
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C_TEXT(_restgpr0_23): lwz r23,-36(r1)
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.globl C_TEXT(_restgpr0_24)
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C_TEXT(_restgpr0_24): lwz r24,-32(r1)
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.globl C_TEXT(_restgpr0_25)
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C_TEXT(_restgpr0_25): lwz r25,-28(r1)
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.globl C_TEXT(_restgpr0_26)
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C_TEXT(_restgpr0_26): lwz r26,-24(r1)
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.globl C_TEXT(_restgpr0_27)
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C_TEXT(_restgpr0_27): lwz r27,-20(r1)
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.globl C_TEXT(_restgpr0_28)
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C_TEXT(_restgpr0_28): lwz r28,-16(r1)
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.globl C_TEXT(_restgpr0_29)
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C_TEXT(_restgpr0_29): lwz r0,8(r1) #get return address from frame
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lwz r29,-12(r1) #restore r29
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mtlr r0 #move return address to LR
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lwz r30,-8(r1) #restore r30
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lwz r31,-4(r1) #restore r31
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blr #return
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END (_restgpr0_all)
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