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			71 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Translate Mach exception codes into signal numbers.  Stub version.
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|    Copyright (C) 1991-2017 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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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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|    <http://www.gnu.org/licenses/>.  */
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| 
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| #include <hurd.h>
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| #include <hurd/signal.h>
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| 
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| /* This file must be modified with machine-dependent details.  */
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| #error "need to write sysdeps/mach/hurd/MACHINE/exc2signal.c"
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| 
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| /* Translate the Mach exception codes, as received in an `exception_raise' RPC,
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|    into a signal number and signal subcode.  */
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| 
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| void
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| _hurd_exception2signal (struct hurd_signal_detail *detail, int *signo)
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| {
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|   detail->error = 0;
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| 
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|   switch (detail->exc)
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|     {
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|     default:
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|       *signo = SIGIOT;
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|       detail->code = detail->exc;
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|       break;
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| 
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|     case EXC_BAD_ACCESS:
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|       if (detail->exc_code == KERN_PROTECTION_FAILURE)
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| 	*signo = SIGSEGV;
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|       else
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| 	*signo = SIGBUS;
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|       detail->code = detail->exc_subcode;
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|       detail->error = detail->exc_code;
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|       break;
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| 
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|     case EXC_BAD_INSTRUCTION:
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|       *signo = SIGILL;
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|       detail->code = 0;
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|       break;
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| 
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|     case EXC_ARITHMETIC:
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|       *signo = SIGFPE;
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|       detail->code = 0;
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|       break;
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| 
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|     case EXC_EMULATION:
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|     case EXC_SOFTWARE:
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|       *signo = SIGEMT;
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|       detail->code = 0;
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|       break;
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| 
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|     case EXC_BREAKPOINT:
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|       *signo = SIGTRAP;
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|       detail->code = 0;
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|       break;
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|     }
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| }
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