diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/score/crti.S')
| -rw-r--r-- | gcc-4.9/libgcc/config/score/crti.S | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/score/crti.S b/gcc-4.9/libgcc/config/score/crti.S new file mode 100644 index 000000000..e007a5e70 --- /dev/null +++ b/gcc-4.9/libgcc/config/score/crti.S @@ -0,0 +1,131 @@ +# crti.S for Sunplus S+CORE +# +# Copyright (C) 2005-2014 Free Software Foundation, Inc. +# +# 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 3, or (at your option) any +# later version. +# +# 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. +# +# Under Section 7 of GPL version 3, you are granted additional +# permissions described in the GCC Runtime Library Exception, version +# 3.1, as published by the Free Software Foundation. +# +# You should have received a copy of the GNU General Public License and +# a copy of the GCC Runtime Library Exception along with this program; +# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +# <http://www.gnu.org/licenses/>. + +# This file makes a stack frame for the contents of the .init and +# .fini sections. +.extern _stack + +#ifndef __pic__ +.section .init, "ax", @progbits + .weak _start + .ent _start + .frame r0, 0, r3, 0 + .mask 0x00000000, 0 +_start: + la r28, _gp + la r8, __bss_start + la r9, __bss_end__ + sub! r9, r8 + srli! r9, 2 + addi r9, -1 + mtsr r9, sr0 + li r9, 0 +1: + sw r9, [r8]+, 4 + bcnz 1b + la r0, _stack + jl _init + la r4, _end + jl _init_argv + jl exit + .end _start + + .weak _init_argv + .ent + .frame r0, 0, r3, 0 + .mask 0x00000000, 0 +_init_argv: + ldiu! r4, 0 + ldiu! r5, 0 + j main + .end _init_argv + + .globl _init + .type _init, %function +_init: + addi r0, -32 + sw r3, [r0, 20] + + .section .fini, "ax", @progbits + .globl _fini + .type _fini, %function +_fini: + addi r0, -32 + sw r3, [r0, 20] +#else +.section .init, "ax", @progbits + .set pic + .weak _start + .ent _start + .frame r0, 0, r3, 0 + .mask 0x00000000, 0 +_start: + mv r29, r3 + bl 0f +0: + .cpload r3 + mv r3, r29 + la r8, __bss_start + la r9, __bss_end__ + sub! r9, r8 + srli! r9, 2 + addi r9, -1 + mtsr r9, sr0 + li r9, 0 +1: + sw r9, [r8]+, 4 + bcnz 1b + la r0, _stack + bl _init + la r4, _end + la r29, _init_argv + brl r29 + la r29, exit + brl r29 + .end _start + + .weak _init_argv + .ent _init_argv + .frame r0, 0, r3, 0 + .mask 0x00000000, 0 +_init_argv: + ldiu! r4, 0 + ldiu! r5, 0 + la r29, main + brl r29 + .end _init_argv + + .globl _init + .type _init, %function +_init: + addi r0, -32 + sw r3, [r0, 20] + + .section .fini, "ax", @progbits + .globl _fini + .type _fini, %function +_fini: + addi r0, -32 + sw r3, [r0, 20] + +#endif |