diff options
Diffstat (limited to 'sysdeps/mach/hurd/i386/init-fault.c')
-rw-r--r-- | sysdeps/mach/hurd/i386/init-fault.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/i386/init-fault.c b/sysdeps/mach/hurd/i386/init-fault.c new file mode 100644 index 0000000000..ff22814308 --- /dev/null +++ b/sysdeps/mach/hurd/i386/init-fault.c @@ -0,0 +1,41 @@ +/* Set up a thread_state for proc_handle_exceptions. i386 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 i386_thread_state *ts = state; + memset (ts, 0, sizeof (*ts)); + ts->uesp = (int) &fault_stack[sizeof (fault_stack)]; + ts->eip = (int) &faulted; +} |