mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-26 16:29:28 +00:00
81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
/* initpri3.c -- test ctor odering when using init_array.
|
|
|
|
Copyright (C) 2011-2014 Free Software Foundation, Inc.
|
|
Written by Ian Lance Taylor <iant@google.com>.
|
|
|
|
This file is part of gold.
|
|
|
|
This program 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 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
/* This tests that the linker correctly orders .ctor entries when
|
|
putting them into .init_array, as is the default. */
|
|
|
|
#include <assert.h>
|
|
|
|
int i = 1;
|
|
|
|
static void
|
|
ctor1 (void)
|
|
{
|
|
assert (i == 1);
|
|
i = 2;
|
|
}
|
|
|
|
static void
|
|
ctor2 (void)
|
|
{
|
|
assert (i == 2);
|
|
i = 3;
|
|
}
|
|
|
|
static void
|
|
dtor1 (void)
|
|
{
|
|
assert (i == 3);
|
|
i = 2;
|
|
}
|
|
|
|
static void
|
|
dtor2 (void)
|
|
{
|
|
assert (i == 2);
|
|
i = 1;
|
|
}
|
|
|
|
/* The .ctors section is run in reverse order, the .dtors section in
|
|
run in forward order. We give these arrays the "aligned" attribute
|
|
because the x86_64 ABI would otherwise give them a 16-byte
|
|
alignment, which may leave a hole in the section. */
|
|
|
|
void (*ctors[]) (void)
|
|
__attribute__ ((aligned (4), section (".ctors"))) = {
|
|
ctor2,
|
|
ctor1
|
|
};
|
|
|
|
void (*dtors[]) (void)
|
|
__attribute__ ((aligned (4), section (".dtors"))) = {
|
|
dtor1,
|
|
dtor2
|
|
};
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
assert (i == 3);
|
|
return 0;
|
|
}
|