ls1x-loongson-gnu-toolchain.../sysroot/usr/include/sys/ucontext.h
2024-11-27 15:46:37 +08:00

82 lines
2.2 KiB
C

/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
/* Don't rely on this, the interface is currently messed up and may need to
be broken to be fixed. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <bits/types/sigset_t.h>
#include <bits/types/stack_t.h>
typedef unsigned long int __loongarch_mc_gp_state[32];
#ifdef __USE_MISC
# define LARCH_NGREG 32
# define LARCH_REG_RA 1
# define LARCH_REG_SP 3
# define LARCH_REG_S0 23
# define LARCH_REG_S1 24
# define LARCH_REG_A0 4
# define LARCH_REG_S2 25
# define LARCH_REG_NARGS 8
typedef unsigned long int greg_t;
/* Container for all general registers. */
typedef __loongarch_mc_gp_state gregset_t;
/* Container for floating-point state. */
typedef union __loongarch_mc_fp_state fpregset_t;
#endif
union __loongarch_mc_fp_state {
unsigned int __val32[256 / 32];
unsigned long long __val64[256 / 64];
};
typedef struct mcontext_t {
unsigned long long __pc;
unsigned long long __gregs[32];
unsigned int __flags;
unsigned int __fcsr;
unsigned int __vcsr;
unsigned long long __fcc;
union __loongarch_mc_fp_state __fpregs[32] __attribute__((__aligned__ (32)));
unsigned int __reserved;
} mcontext_t;
/* Userlevel context. */
typedef struct ucontext_t
{
unsigned long int __uc_flags;
struct ucontext_t *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
sigset_t uc_sigmask;
} ucontext_t;
#endif /* sys/ucontext.h */