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			73 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Restartable Sequences single-threaded tests.
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|    Copyright (C) 2021-2023 Free Software Foundation, Inc.
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| 
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|    The GNU C Library is free software; you can redistribute it and/or
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|    modify it under the terms of the GNU Lesser General Public
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|    License as published by the Free Software Foundation; either
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|    version 2.1 of the License, or (at your option) any later version.
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| 
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|    The GNU C Library is distributed in the hope that it will be useful,
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|    but WITHOUT ANY WARRANTY; without even the implied warranty of
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|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|    Lesser General Public License for more details.
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| 
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|    You should have received a copy of the GNU Lesser General Public
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|    License along with the GNU C Library; if not, see
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|    <https://www.gnu.org/licenses/>.  */
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| 
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| /* These tests validate that rseq is registered from main in an executable
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|    not linked against libpthread.  */
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| 
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| #include <support/check.h>
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| #include <stdio.h>
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| #include <sys/rseq.h>
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| #include <unistd.h>
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| 
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| #ifdef RSEQ_SIG
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| # include <errno.h>
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| # include <error.h>
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| # include <stdlib.h>
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| # include <string.h>
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| # include <syscall.h>
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| # include <thread_pointer.h>
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| # include <tls.h>
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| # include "tst-rseq.h"
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| 
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| static void
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| do_rseq_main_test (void)
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| {
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|   struct pthread *pd = THREAD_SELF;
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| 
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|   TEST_VERIFY_EXIT (rseq_thread_registered ());
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|   TEST_COMPARE (__rseq_flags, 0);
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|   TEST_VERIFY ((char *) __thread_pointer () + __rseq_offset
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|                == (char *) &pd->rseq_area);
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|   TEST_COMPARE (__rseq_size, sizeof (pd->rseq_area));
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| }
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| 
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| static void
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| do_rseq_test (void)
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| {
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|   if (!rseq_available ())
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|     {
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|       FAIL_UNSUPPORTED ("kernel does not support rseq, skipping test");
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|     }
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|   do_rseq_main_test ();
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| }
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| #else /* RSEQ_SIG */
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| static void
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| do_rseq_test (void)
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| {
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|   FAIL_UNSUPPORTED ("glibc does not define RSEQ_SIG, skipping test");
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| }
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| #endif /* RSEQ_SIG */
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| 
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| static int
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| do_test (void)
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| {
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|   do_rseq_test ();
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|   return 0;
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| }
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| 
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| #include <support/test-driver.c>
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