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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/mach/hurd/mips/init-fault.c
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initial import
Diffstat (limited to 'sysdeps/mach/hurd/mips/init-fault.c')
-rw-r--r--sysdeps/mach/hurd/mips/init-fault.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/mips/init-fault.c b/sysdeps/mach/hurd/mips/init-fault.c
new file mode 100644
index 0000000000..e6f8acf64d
--- /dev/null
+++ b/sysdeps/mach/hurd/mips/init-fault.c
@@ -0,0 +1,41 @@
+/* Set up a thread_state for proc_handle_exceptions.  MIPS version.
+Copyright (C) 1994 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <hurd/signal.h>
+#include <mach/thread_status.h>
+#include <string.h>
+#include <setjmp.h>
+
+extern jmp_buf _hurd_sigthread_fault_env;
+
+static char fault_stack[32];
+static volatile void
+faulted (void)
+{
+  __longjmp (_hurd_sigthread_fault_env, 1);
+}
+
+void
+_hurd_initialize_fault_recovery_state (void *state)
+{
+  struct mips_thread_state *ts = state;
+  memset (ts, 0, sizeof (*ts));
+  ts->r29 = (int) &fault_stack[sizeof (fault_stack)];
+  ts->pc = (int) &faulted;
+}