132 lines
3.3 KiB
ArmAsm
132 lines
3.3 KiB
ArmAsm
# crti.S for Sunplus S+CORE
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#
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# Copyright (C) 2005-2020 Free Software Foundation, Inc.
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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 3, or (at your option) any
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# later version.
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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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# Under Section 7 of GPL version 3, you are granted additional
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# permissions described in the GCC Runtime Library Exception, version
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# 3.1, as published by the Free Software Foundation.
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#
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# You should have received a copy of the GNU General Public License and
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# a copy of the GCC Runtime Library Exception along with this program;
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# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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# <http://www.gnu.org/licenses/>.
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# This file makes a stack frame for the contents of the .init and
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# .fini sections.
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.extern _stack
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#ifndef __pic__
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.section .init, "ax", @progbits
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.weak _start
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.ent _start
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.frame r0, 0, r3, 0
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.mask 0x00000000, 0
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_start:
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la r28, _gp
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la r8, __bss_start
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la r9, __bss_end__
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sub! r9, r8
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srli! r9, 2
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addi r9, -1
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mtsr r9, sr0
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li r9, 0
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1:
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sw r9, [r8]+, 4
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bcnz 1b
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la r0, _stack
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jl _init
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la r4, _end
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jl _init_argv
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jl exit
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.end _start
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.weak _init_argv
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.ent
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.frame r0, 0, r3, 0
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.mask 0x00000000, 0
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_init_argv:
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ldiu! r4, 0
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ldiu! r5, 0
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j main
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.end _init_argv
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.globl _init
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.type _init, %function
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_init:
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addi r0, -32
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sw r3, [r0, 20]
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.section .fini, "ax", @progbits
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.globl _fini
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.type _fini, %function
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_fini:
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addi r0, -32
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sw r3, [r0, 20]
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#else
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.section .init, "ax", @progbits
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.set pic
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.weak _start
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.ent _start
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.frame r0, 0, r3, 0
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.mask 0x00000000, 0
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_start:
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mv r29, r3
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bl 0f
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0:
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.cpload r3
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mv r3, r29
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la r8, __bss_start
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la r9, __bss_end__
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sub! r9, r8
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srli! r9, 2
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addi r9, -1
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mtsr r9, sr0
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li r9, 0
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1:
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sw r9, [r8]+, 4
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bcnz 1b
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la r0, _stack
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bl _init
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la r4, _end
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la r29, _init_argv
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brl r29
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la r29, exit
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brl r29
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.end _start
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.weak _init_argv
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.ent _init_argv
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.frame r0, 0, r3, 0
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.mask 0x00000000, 0
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_init_argv:
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ldiu! r4, 0
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ldiu! r5, 0
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la r29, main
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brl r29
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.end _init_argv
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.globl _init
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.type _init, %function
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_init:
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addi r0, -32
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sw r3, [r0, 20]
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.section .fini, "ax", @progbits
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.globl _fini
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.type _fini, %function
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_fini:
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addi r0, -32
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sw r3, [r0, 20]
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#endif
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