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-rw-r--r--sysdeps/generic/exc2signal.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/sysdeps/generic/exc2signal.c b/sysdeps/generic/exc2signal.c
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+/* Translate Mach exception codes into signal numbers. Stub version.
+ Copyright (C) 1991, 1992, 1994, 1995, 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <hurd.h>
+
+/* This file must be modified with machine-dependent details. */
+#error "need to write sysdeps/mach/hurd/MACHINE/exc2signal.c"
+
+/* Translate the Mach exception codes, as received in an `exception_raise' RPC,
+ into a signal number and signal subcode. */
+
+void
+_hurd_exception2signal (int exception, int code, int subcode,
+ int *signo, int *sigcode, int *error)
+{
+ *error = 0;
+
+ switch (exception)
+ {
+ default:
+ *signo = SIGIOT;
+ *sigcode = exception;
+ break;
+
+ case EXC_BAD_ACCESS:
+ if (code == KERN_PROTECTION_FAILURE)
+ *signo = SIGSEGV;
+ else
+ *signo = SIGBUS;
+ *sigcode = subcode;
+ *error = code;
+ break;
+
+ case EXC_BAD_INSTRUCTION:
+ *signo = SIGILL;
+ *sigcode = 0;
+ break;
+
+ case EXC_ARITHMETIC:
+ *signo = SIGFPE;
+ *sigcode = 0;
+ break;
+
+ case EXC_EMULATION:
+ case EXC_SOFTWARE:
+ *signo = SIGEMT;
+ *sigcode = 0;
+ break;
+
+ case EXC_BREAKPOINT:
+ *signo = SIGTRAP;
+ *sigcode = 0;
+ break;
+ }
+}