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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) 1991-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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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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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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#include <hurd.h>
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#include <hurd/signal.h>
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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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/* 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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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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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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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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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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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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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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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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