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//
// ucontext.h
//
// User context
//
// Copyright (C) 2002 Michael Ringgaard. 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.
// 3. Neither the name of the project nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
//
#if _MSC_VER > 1000
#pragma once
#endif
#ifndef UCONTEXT_H
#define UCONTEXT_H
#include <sys/types.h>
//
// General registers in context
//
#define REG_ES 0
#define REG_DS 1
#define REG_EDI 2
#define REG_ESI 3
#define REG_EBP 4
#define REG_EBX 5
#define REG_EDX 6
#define REG_ECX 7
#define REG_EAX 8
#define REG_TRAPNO 9
#define REG_ERR 10
#define REG_EIP 11
#define REG_ECS 12
#define REG_EFLAGS 13
#define REG_ESP 14
#define REG_ESS 15
#define NGREG 16
//
// Machine-dependent context
//
struct mcontext {
int gregs[NGREG];
};
typedef struct mcontext mcontext_t;
//
// Stack
//
struct stack {
void *ss_sp; // Stack base or pointer
size_t ss_size; // Stack size
int ss_flags; // Flags
};
typedef struct stack stack_t;
//
// User context
//
struct ucontext {
struct ucontext *uc_link;
sigset_t uc_sigmask;
stack_t uc_stack;
mcontext_t uc_mcontext;
};
typedef struct ucontext ucontext_t;
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
#endif