mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			45 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| /* Copyright (C) 2008-2019 Free Software Foundation, Inc.
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|    Contributed by Richard Henderson <rth@redhat.com>.
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| 
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|    This file is part of the GNU Transactional Memory Library (libitm).
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| 
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|    Libitm is free software; you can redistribute it and/or modify it
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|    under the terms of the GNU General Public License as published by
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|    the Free Software Foundation; either version 3 of the License, or
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|    (at your option) any later version.
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| 
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|    Libitm is distributed in the hope that it will be useful, but WITHOUT ANY
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|    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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|    FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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|    more details.
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| 
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|    Under Section 7 of GPL version 3, you are granted additional
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|    permissions described in the GCC Runtime Library Exception, version
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|    3.1, as published by the Free Software Foundation.
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| 
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|    You should have received a copy of the GNU General Public License and
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|    a copy of the GCC Runtime Library Exception along with this program;
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|    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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|    <http://www.gnu.org/licenses/>.  */
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| 
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| #include "libitm_i.h"
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| 
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| using namespace GTM;
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| 
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| bool abi_dispatch::memmove_overlap_check(void *dst, const void *src,
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|     size_t size, ls_modifier dst_mod, ls_modifier src_mod)
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| {
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|   if (dst_mod == NONTXNAL || src_mod == NONTXNAL)
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|     {
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|       if (((uintptr_t)dst <= (uintptr_t)src ?
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| 	  (uintptr_t)dst + size > (uintptr_t)src :
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| 	  (uintptr_t)src + size > (uintptr_t)dst))
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| 	GTM::GTM_fatal("_ITM_memmove overlapping and t/nt is not allowed");
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|       return false;
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|     }
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|   return true;
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| }
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| 
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| CREATE_DISPATCH_FUNCTIONS(GTM::abi_disp()->, )
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| 
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