context.h

Go to the documentation of this file.

// MIT License
//
// Copyright (c) 2026 Christian Spoo
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
 
#ifndef _MINIOS_ARCH_X86_64_CONTEXT_H_
#define _MINIOS_ARCH_X86_64_CONTEXT_H_
 
#include <miniOS/types.h>
 
struct task_cpu_context {
    uint64_t rax, rdx, rcx, rbx, rbp;
    uint64_t rsi, rdi;
    uint64_t r8, r9, r10, r11;
    uint64_t r12, r13, r14, r15;
 
    uint64_t rip;
    uint64_t cs;
    uint64_t rflags;
    uint64_t rsp;
    uint64_t ss;
    uint64_t fs_base;   /* user FS.base (TLS pointer) — saved/restored on context switch */
} __attribute__((packed));
 
#endif