# Copyright (C) 2001-2016 Free Software Foundation, Inc. # Written By Nick Clifton # # 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 # . /* An executable stack is *not* required for these functions. */ #if defined(__ELF__) && defined(__linux__) .section .note.GNU-stack,"",%progbits .previous #endif # This file just make a stack frame for the contents of the .fini and # .init sections. Users may put any desired instructions in those # sections. #ifdef __ELF__ #define TYPE(x) .type x,function #else #define TYPE(x) #endif #ifdef __ARM_EABI__ /* Some attributes that are common to all routines in this file. */ /* Tag_ABI_align_needed: This code does not require 8-byte alignment from the caller. */ /* .eabi_attribute 24, 0 -- default setting. */ /* Tag_ABI_align_preserved: This code preserves 8-byte alignment in any callee. */ .eabi_attribute 25, 1 #endif /* __ARM_EABI__ */ # Note - this macro is complemented by the FUNC_END macro # in crtn.S. If you change this macro you must also change # that macro match. .macro FUNC_START #ifdef __thumb__ .thumb push {r3, r4, r5, r6, r7, lr} #else .arm # Create a stack frame and save any call-preserved registers mov ip, sp stmdb sp!, {r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc} sub fp, ip, #4 #endif .endm .section ".init" .align 2 .global _init #ifdef __thumb__ .thumb_func #endif TYPE(_init) _init: FUNC_START .section ".fini" .align 2 .global _fini #ifdef __thumb__ .thumb_func #endif TYPE(_fini) _fini: FUNC_START # end of crti.S