2e615b482d
whether the machine context is valid and whether the FPU state is valid (saved). Mark the machine context valid before copying it out when sending a signal. Approved by: -arch
69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/*-
|
|
* Copyright (c) 1999 Marcel Moolenaar
|
|
* 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
|
|
* in this position and unchanged.
|
|
* 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.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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_UCONTEXT_H_
|
|
#define _MACHINE_UCONTEXT_H_
|
|
|
|
typedef struct __mcontext {
|
|
/*
|
|
* The first 20 fields must match the definition of
|
|
* sigcontext. So that we can support sigcontext
|
|
* and ucontext_t at the same time.
|
|
*/
|
|
int mc_onstack; /* XXX - sigcontext compat. */
|
|
int mc_gs;
|
|
int mc_fs;
|
|
int mc_es;
|
|
int mc_ds;
|
|
int mc_edi;
|
|
int mc_esi;
|
|
int mc_ebp;
|
|
int mc_isp;
|
|
int mc_ebx;
|
|
int mc_edx;
|
|
int mc_ecx;
|
|
int mc_eax;
|
|
int mc_trapno;
|
|
int mc_err;
|
|
int mc_eip;
|
|
int mc_cs;
|
|
int mc_eflags;
|
|
int mc_esp; /* machine state */
|
|
int mc_ss;
|
|
|
|
int mc_fpregs[28]; /* env87 + fpacc87 + u_long */
|
|
#define __UC_MC_VALID 0x0001 /* mcontext register state is valid */
|
|
#define __UC_FP_VALID 0x0002 /* FP registers have been saved */
|
|
int mc_flags;
|
|
int __spare__[16];
|
|
} mcontext_t;
|
|
|
|
#endif /* !_MACHINE_UCONTEXT_H_ */
|