freebsd-dev/sys/sparc64/include/frame.h
Jake Burkholder 5d60dc233a Add a macro for shift of an integer (1 << shift == sizeof). Move the pointer
define to live alongside it.  For kicks assert at compile time that they are
correct.  Use these instead of magic numbers.
2002-02-27 00:21:04 +00:00

88 lines
2.3 KiB
C

/*-
* Copyright (c) 2001 Jake Burkholder.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_FRAME_H_
#define _MACHINE_FRAME_H_
#define RW_SHIFT 7
#define SPOFF 2047
struct trapframe {
u_long tf_global[8];
u_long tf_out[8];
u_long tf_fsr;
u_long tf_sfar;
u_long tf_tar;
u_long tf_tnpc;
u_long tf_tpc;
u_long tf_tstate;
u_int tf_sfsr;
u_int tf_type;
u_int tf_y;
u_char tf_fprs;
u_char tf_pil;
u_char tf_wstate;
u_char tf_pad[1];
};
#define tf_level tf_sfsr
#define tf_sp tf_out[6]
#define TF_DONE(tf) do { \
tf->tf_tpc = tf->tf_tnpc; \
tf->tf_tnpc += 4; \
} while (0)
struct clockframe {
struct trapframe cf_tf;
};
struct frame {
u_long f_local[8];
u_long f_in[8];
u_long f_pad[8];
};
#define f_fp f_in[6]
#define f_pc f_in[7]
/*
* Frame used for pcb_wscratch.
*/
struct rwindow {
u_long rw_local[8];
u_long rw_in[8];
};
struct thread;
int rwindow_save(struct thread *td);
int rwindow_load(struct thread *td, struct trapframe *tf, int n);
int kdb_trap(struct trapframe *tf);
#endif /* !_MACHINE_FRAME_H_ */