155 lines
3.1 KiB
C
155 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
|