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Add a test for prelink output

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This test applies to i386 and x86_64 which set R_386_GLOB_DAT and
R_X86_64_GLOB_DAT to ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA.

	[BZ #19178]
	* sysdeps/x86/Makefile (tests): Add tst-prelink.
	(tst-prelink-ENV): New.
	($(objpfx)tst-prelink-conflict.out): Likewise.
	($(objpfx)tst-prelink-cmp.out): Likewise.
	(tests-special): Add $(objpfx)tst-prelink-cmp.out.
	* sysdeps/x86/tst-prelink.c: New file.
	* sysdeps/x86/tst-prelink.exp: Likewise.
This commit is contained in:
H.J. Lu 2015-11-10 12:27:24 -08:00
parent 685312298f
commit fe534fe898
4 changed files with 57 additions and 0 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2015-11-10 H.J. Lu <hongjiu.lu@intel.com>
[BZ #19178]
* sysdeps/x86/Makefile (tests): Add tst-prelink.
(tst-prelink-ENV): New.
($(objpfx)tst-prelink-conflict.out): Likewise.
($(objpfx)tst-prelink-cmp.out): Likewise.
(tests-special): Add $(objpfx)tst-prelink-cmp.out.
* sysdeps/x86/tst-prelink.c: New file.
* sysdeps/x86/tst-prelink.exp: Likewise.
2015-11-10 Joseph Myers <joseph@codesourcery.com>
* math/auto-libm-test-in: Add another test of pow.

15
sysdeps/x86/Makefile
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@ -7,4 +7,19 @@ sysdep-dl-routines += dl-get-cpu-features
tests += tst-get-cpu-features
tests-static += tst-get-cpu-features-static
tests += tst-prelink
tst-prelink-ENV = LD_TRACE_PRELINKING=1
$(objpfx)tst-prelink-conflict.out: $(objpfx)tst-prelink.out
grep stdout $< | grep conflict | $(AWK) '{ print $$10, $$11 }' > $@
$(objpfx)tst-prelink-cmp.out: $(..)sysdeps/x86/tst-prelink.exp \
$(objpfx)tst-prelink-conflict.out
cmp $^ > $@; \
$(evaluate-test)
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-prelink-cmp.out
endif
endif

30
sysdeps/x86/tst-prelink.c Normal file
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@ -0,0 +1,30 @@
/* Test the output from the environment variable, LD_TRACE_PRELINKING,
for prelink.
Copyright (C) 2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <stdio.h>
static int
do_test (void)
{
fprintf (stdout, "hello\n");
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"

1
sysdeps/x86/tst-prelink.exp Normal file
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@ -0,0 +1 @@
/0 stdout