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-rw-r--r--sysdeps/mach/hurd/powerpc/exc2signal.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/powerpc/exc2signal.c b/sysdeps/mach/hurd/powerpc/exc2signal.c
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+++ b/sysdeps/mach/hurd/powerpc/exc2signal.c
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+/* Translate Mach exception codes into signal numbers.  PowerPC version.
+   Copyright (C) 1991,92,94,96,97,2001 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <hurd.h>
+#include <hurd/signal.h>
+#include <mach/exception.h>
+
+/* Translate the Mach exception codes, as received in an `exception_raise' RPC,
+   into a signal number and signal subcode.  */
+
+void
+_hurd_exception2signal (struct hurd_signal_detail *detail, int *signo)
+{
+  detail->error = 0;
+
+  switch (detail->exc)
+    {
+    default:
+      *signo = SIGIOT;
+      detail->code = detail->exc;
+      break;
+
+    case EXC_BAD_ACCESS:
+      if (detail->exc_code == KERN_PROTECTION_FAILURE)
+	*signo = SIGSEGV;
+      else
+	*signo = SIGBUS;
+      detail->code = detail->exc_subcode;
+      detail->error = detail->exc_code;
+      break;
+
+      /* XXX there has got to be something more here */
+
+    case EXC_BAD_INSTRUCTION:
+      *signo = SIGILL;
+      detail->code = 0;
+      break;
+
+    case EXC_ARITHMETIC:
+      *signo = SIGFPE;
+      detail->code = 0;
+      break;
+
+    case EXC_EMULATION:
+      *signo = SIGEMT;
+      detail->code = 0;
+      break;
+
+    case EXC_SOFTWARE:
+      *signo = SIGEMT;
+      detail->code = 0;
+      break;
+
+    case EXC_BREAKPOINT:
+      *signo = SIGTRAP;
+      detail->code = 0;
+    }
+}