Struct UContext

#[repr(C)]
pub struct UContext {
    pub flags: usize,
    pub link: usize,
    pub stack: UStack,
    pub gregs: MContext,
    pub sig_mask: SigSetExtended,
    pub __fpregs_mem: [u64; 64],
}

信号处理上下文的结构体

MUSL: https://github.com/bminor/musl/blob/c47ad25ea3b484e10326f933e927c0bc8cded3da/arch/x86_64/bits/signal.h#L97

Fields

flags: usize

标志位，用于表示上下文的状态或其他标记

link: usize

链接寄存器，保存返回地址或跳转地址

stack: UStack

栈，保存上下文的栈信息

gregs: MContext

通用寄存器的上下文信息

sig_mask: SigSetExtended

信号掩码，用于记录哪些信号被屏蔽

__fpregs_mem: [u64; 64]

浮点寄存器的内存表示

Trait Implementations

impl Clone for UContext

fn clone(&self) -> UContext

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for UContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.