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/* Machine-dependent signal context structure for GNU Hurd. PowerPC version.
Copyright (C) 1991, 1992, 1994, 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. */
#ifndef _SIGNAL_H
# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
#endif
/* Signal handlers are actually called:
void handler (int sig, int code, struct sigcontext *scp); */
/* State of this thread when the signal was taken. */
struct sigcontext
{
/* These first members are machine-independent. */
int sc_onstack; /* Nonzero if running on sigstack. */
__sigset_t sc_mask; /* Blocked signals to restore. */
/* MiG reply port this thread is using. */
unsigned int sc_reply_port;
/* Port this thread is doing an interruptible RPC on. */
unsigned int sc_intr_port;
/* Error code associated with this signal (interpreted as `error_t'). */
int sc_error;
/* All following members are machine-dependent. The rest of this
structure is written to be laid out identically to:
{
struct ppc_thread_state basic;
struct ppc_exc_state exc;
struct ppc_float_state fpu;
}
trampoline.c knows this, so it must be changed if this changes. */
#define sc_ppc_thread_state sc_srr0 /* Beginning of correspondence. */
#define sc_pc sc_srr0 /* For sysdeps/generic/profil-counter.h. */
unsigned int sc_srr0;
unsigned int sc_srr1;
unsigned int sc_gprs[32];
unsigned int sc_cr;
unsigned int sc_xer;
unsigned int sc_lr;
unsigned int sc_ctr;
unsigned int sc_mq;
unsigned int sc_ts_pad;
#define sc_ppc_exc_state sc_dar
unsigned int sc_dar;
unsigned int sc_dsisr;
unsigned int sc_exception;
unsigned int sc_es_pad0;
unsigned int sc_es_pad1[4];
#define sc_ppc_float_state sc_fprs[0]
double sc_fprs[32];
unsigned int sc_fpscr_pad;
unsigned int sc_fpscr;
};
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