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Diffstat (limited to 'binutils-2.25/gold/testsuite/initpri3.c')
-rw-r--r-- | binutils-2.25/gold/testsuite/initpri3.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/binutils-2.25/gold/testsuite/initpri3.c b/binutils-2.25/gold/testsuite/initpri3.c new file mode 100644 index 00000000..01e233d1 --- /dev/null +++ b/binutils-2.25/gold/testsuite/initpri3.c @@ -0,0 +1,80 @@ +/* initpri3.c -- test ctor odering when using init_array. + + Copyright 2011 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; +} |