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sortix--sortix/kernel/include/sortix/ucontext.h
Jonas 'Sortie' Termansen 2b72262b4f Relicense Sortix to the ISC license.
I hereby relicense all my work on Sortix under the ISC license as below.

All Sortix contributions by other people are already under this license,
are not substantial enough to be copyrightable, or have been removed.

All imported code from other projects is compatible with this license.

All GPL licensed code from other projects had previously been removed.

Copyright 2011-2016 Jonas 'Sortie' Termansen and contributors.

Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
2016-03-05 22:21:50 +01:00

154 lines
3.1 KiB
C

/*
* Copyright (c) 2013, 2014 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* sortix/ucontext.h
* Declares ucontext_t and associated values.
*/
#ifndef INCLUDE_SORTIX_UCONTEXT_H
#define INCLUDE_SORTIX_UCONTEXT_H
#include <sys/cdefs.h>
#include <sortix/sigset.h>
#include <sortix/stack.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Register declarations for i386 */
#if defined(__i386__)
typedef int greg_t;
#define NGREG 23
typedef greg_t gregset_t[NGREG];
enum
{
REG_GS = 0,
#define REG_GS REG_GS
REG_FS,
#define REG_FS REG_FS
REG_ES,
#define REG_ES REG_ES
REG_DS,
#define REG_DS REG_DS
REG_EDI,
#define REG_EDI REG_EDI
REG_ESI,
#define REG_ESI REG_ESI
REG_EBP,
#define REG_EBP REG_EBP
REG_ESP,
#define REG_ESP REG_ESP
REG_EBX,
#define REG_EBX REG_EBX
REG_EDX,
#define REG_EDX REG_EDX
REG_ECX,
#define REG_ECX REG_ECX
REG_EAX,
#define REG_EAX REG_EAX
REG_EIP,
#define REG_EIP REG_EIP
REG_CS,
#define REG_CS REG_CS
REG_EFL,
#define REG_EFL REG_EFL
REG_SS,
#define REG_SS REG_SS
REG_CR2,
#define REG_CR2 REG_CR2
REG_FSBASE,
#define REG_FSBASE REG_FSBASE
REG_GSBASE,
#define REG_GSBASE REG_GSBASE
};
#endif
/* Register declarations for x86-64 */
#if defined(__x86_64__)
typedef long int greg_t;
#define NGREG 23
typedef greg_t gregset_t[NGREG];
enum
{
REG_R8 = 0,
#define REG_R8 REG_R8
REG_R9,
#define REG_R9 REG_R9
REG_R10,
#define REG_R10 REG_R10
REG_R11,
#define REG_R11 REG_R11
REG_R12,
#define REG_R12 REG_R12
REG_R13,
#define REG_R13 REG_R13
REG_R14,
#define REG_R14 REG_R14
REG_R15,
#define REG_R15 REG_R15
REG_RDI,
#define REG_RDI REG_RDI
REG_RSI,
#define REG_RSI REG_RSI
REG_RBP,
#define REG_RBP REG_RBP
REG_RBX,
#define REG_RBX REG_RBX
REG_RDX,
#define REG_RDX REG_RDX
REG_RAX,
#define REG_RAX REG_RAX
REG_RCX,
#define REG_RCX REG_RCX
REG_RSP,
#define REG_RSP REG_RSP
REG_RIP,
#define REG_RIP REG_RIP
REG_EFL,
#define REG_EFL REG_EFL
REG_CSGSFS, /* Actually short cs, gs, fs, __pad0. */
#define REG_CSGSFS REG_CSGSFS
REG_CR2,
#define REG_CR2 REG_CR2
REG_FSBASE,
#define REG_FSBASE REG_FSBASE
REG_GSBASE,
#define REG_GSBASE REG_GSBASE
};
#endif
typedef struct
{
gregset_t gregs;
#if defined(__i386__) || defined(__x86_64__)
unsigned char fpuenv[512];
#endif
} mcontext_t;
typedef struct ucontext
{
struct ucontext* uc_link;
sigset_t uc_sigmask;
stack_t uc_stack;
mcontext_t uc_mcontext;
} ucontext_t;
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif