libgcc/config/rs6000/sol-ci.S

# crti.s for sysv4

#   Copyright (C) 1996-2021 Free Software Foundation, Inc.
#   Written By Michael Meissner
# 
# 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 just supplies labeled starting points for the .got* and other
# special sections.  It is linked in first before other modules.
 
	.ident	"GNU C scrti.s"

#ifndef __powerpc64__
# Start of .text
	.section ".text"
	.globl	_ex_text0
_ex_text0:

# Exception range
	.section ".exception_ranges","aw"
	.globl	_ex_range0
_ex_range0:

# List of C++ constructors
	.section ".ctors","aw"
	.globl	__CTOR_LIST__
	.type	__CTOR_LIST__,@object
__CTOR_LIST__:

# List of C++ destructors
	.section ".dtors","aw"
	.globl	__DTOR_LIST__
	.type	__DTOR_LIST__,@object
__DTOR_LIST__:

# Head of _init function used for static constructors
	.section ".init","ax"
	.align 2
	.globl _init
	.type _init,@function
_init:	stwu	%r1,-16(%r1)
	mflr	%r0
	stw	%r31,12(%r1)
	stw	%r0,16(%r1)

	bl	_GLOBAL_OFFSET_TABLE_-4	# get the GOT address
	mflr	%r31

#	lwz	%r3,_ex_shared0@got(%r31)
#	lwz	%r4,-8(%r3)		# _ex_register or 0
#	cmpi	%cr0,%r4,0
#	beq	.Lno_reg
#	mtlr	%r4
#	blrl
#.Lno_reg:

# Head of _fini function used for static destructors
	.section ".fini","ax"
	.align 2
	.globl _fini
	.type _fini,@function
_fini:	stwu	%r1,-16(%r1)
	mflr	%r0
	stw	%r31,12(%r1)
	stw	%r0,16(%r1)

	bl	_GLOBAL_OFFSET_TABLE_-4	# get the GOT address
	mflr	%r31

# _environ and its evil twin environ, pointing to the environment
	.section ".sdata","aw"
	.align 2
	.globl _environ
	.space 4
	.weak	environ
	.set	environ,_environ
#endif