freebsd-skq/contrib/gcc/config/rs6000/sol-ci.asm
2007-05-19 01:19:51 +00:00

107 lines
3.0 KiB
NASM

# crti.s for sysv4
# Copyright (C) 1996 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 2, or (at your option) any
# later version.
#
# In addition to the permissions in the GNU General Public License, the
# Free Software Foundation gives you unlimited permission to link the
# compiled version of this file with other programs, and to distribute
# those programs without any restriction coming from the use of this
# file. (The General Public License restrictions do apply in other
# respects; for example, they cover modification of the file, and
# distribution when not linked into another program.)
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
#
# As a special exception, if you link this library with files
# compiled with GCC to produce an executable, this does not cause
# the resulting executable to be covered by the GNU General Public License.
# This exception does not however invalidate any other reasons why
# the executable file might be covered by the GNU General Public License.
#
# This file just supplies labeled starting points for the .got* and other
# special sections. It is linked in first before other modules.
.file "scrti.s"
.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