1/*- 2 * Copyright (c) 1999 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * |
28 * $FreeBSD: head/sys/amd64/include/ucontext.h 103408 2002-09-16 19:25:41Z mini $ |
29 */ 30 31#ifndef _MACHINE_UCONTEXT_H_ 32#define _MACHINE_UCONTEXT_H_ 33 34typedef struct __mcontext { 35 /* 36 * The first 20 fields must match the definition of --- 16 unchanged lines hidden (view full) --- 53 int mc_trapno; 54 int mc_err; 55 int mc_eip; 56 int mc_cs; 57 int mc_eflags; 58 int mc_esp; /* machine state */ 59 int mc_ss; 60 |
61 int mc_len; /* sizeof(mcontext_t) */ 62#define _MC_FPFMT_NODEV 0 /* device not present or configured */ 63#define _MC_FPFMT_387 1 64#define _MC_FPFMT_XMM 2 65 int mc_fpformat; 66#define _MC_FPOWNED_NONE 0 /* FP state not used */ 67#define _MC_FPOWNED_FPU 1 /* FP state came from FPU */ 68#define _MC_FPOWNED_PCB 2 /* FP state came from PCB */ 69 int mc_ownedfp; 70 int mc_spare1[1]; /* align next field to 16 bytes */ 71 int mc_fpstate[128]; /* must be multiple of 16 bytes */ 72 int mc_spare2[8]; |
73} mcontext_t; 74 |
75#ifdef _KERNEL 76struct thread; 77 78void get_mcontext(struct thread *td, mcontext_t *mcp); 79int set_mcontext(struct thread *td, const mcontext_t *mcp); 80#endif 81 |
82#endif /* !_MACHINE_UCONTEXT_H_ */ |