csu: Add .note.ABI-tag and .note.GNU-stack
[dragonfly.git] / lib / csu / i386 / crt1_s.S
CommitLineData
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1/*-
2 * Copyright 2009 Konstantin Belousov.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
f4df8772 25 * $FreeBSD: src/lib/csi/i386-elf/crt1_s.S, svn 217383 2011/01/13 kib $
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26 */
27
28 .text
29 .align 4
30 .globl _start
31 .type _start, @function
32_start:
33 .cfi_startproc
34 xorl %ebp,%ebp
35 pushl %ebp
36 .cfi_def_cfa_offset 4
37 movl %esp,%ebp
38 .cfi_offset %ebp,-8
39 .cfi_def_cfa_register %ebp
40 andl $0xfffffff0,%esp # align stack
41 leal 8(%ebp),%eax
42 subl $4,%esp
43 pushl %eax # argv
44 pushl 4(%ebp) # argc
45 pushl %edx # rtld cleanup
46 call _start1
47 int3
48 .cfi_endproc
49 .size _start, . - _start
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50
51 .section .note.GNU-stack,"",%progbits