8b69d04fff
. clang-linked binaries were not calling global constructors, as the
code to do so wasn't in csu/ and linked
. it does work for gcc as it uses its self-supplied crt{begin,end} code
. this commit copies netbsd's crt{begin,end}.S, which contains
constructor/destructor calling code, called from .init and .fini
sections already accumulated by the linker. the _init function was already
called by the C startup code before calling main.
. based on work by Antoine Leca
53 lines
1.8 KiB
ArmAsm
53 lines
1.8 KiB
ArmAsm
/* $NetBSD: crtend.S,v 1.1 2010/08/07 18:01:33 joerg Exp $ */
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/*-
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* Copyright (c) 2010 Joerg Sonnenberger <joerg@NetBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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RCSID("$NetBSD: crtend.S,v 1.1 2010/08/07 18:01:33 joerg Exp $")
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.section .ctors, "aw", @progbits
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.align 4
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.global __CTOR_LIST_END__
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.hidden __CTOR_LIST_END__
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__CTOR_LIST_END__:
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.long 0
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.section .dtors, "aw", @progbits
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.align 4
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.long 0
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.section .eh_frame, "a", @progbits
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.align 4
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.long 0
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.section .jcr, "aw", @progbits
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.align 4
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.long 0
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