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/* Fault handler information. HP-UX HPPA version.
Copyright (C) 2002 Paolo Bonzini <bonzini@gnu.org>
Copyright (C) 2002-2003, 2009 Bruno Haible <bruno@clisp.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#define USE_64BIT_REGS(mc) \
(((mc).ss_flags & SS_WIDEREGS) && ((mc).ss_flags & SS_NARROWISINVALID))
/* Extract the cr21 register from an mcontext_t.
See the comments in /usr/include/machine/save_state.h. */
#define GET_CR21(mc) \
(USE_64BIT_REGS(mc) ? (mc).ss_wide.ss_64.ss_cr21 : (mc).ss_narrow.ss_cr21)
/* Extract the stack pointer from an mcontext_t.
See the comments in /usr/include/machine/save_state.h. */
#define GET_SP(mc) \
(USE_64BIT_REGS(mc) ? (mc).ss_wide.ss_64.ss_sp : (mc).ss_narrow.ss_sp)
/* Both of these alternatives work on HP-UX 10.20 and HP-UX 11.00. */
#if 1
#include "fault-hpux.h"
#define SIGSEGV_FAULT_ADDRESS GET_CR21 (scp->sc_sl.sl_ss)
#define SIGSEGV_FAULT_STACKPOINTER GET_SP (scp->sc_ctxt.sl.sl_ss)
#else
#include "fault-posix-ucontext.h"
#define SIGSEGV_FAULT_STACKPOINTER GET_SP (((ucontext_t *) ucp)->uc_mcontext)
#endif
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