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use core::fmt::Debug;
use crate::display_utils::HexNum;
#[derive(Clone, Copy, PartialEq, Eq)]
pub struct UnwindRegsX86_64 {
ip: u64,
regs: [u64; 16],
}
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[repr(u8)]
pub enum Reg {
RAX,
RDX,
RCX,
RBX,
RSI,
RDI,
RBP,
RSP,
R8,
R9,
R10,
R11,
R12,
R13,
R14,
R15,
}
impl UnwindRegsX86_64 {
pub fn new(ip: u64, sp: u64, bp: u64) -> Self {
let mut r = Self {
ip,
regs: Default::default(),
};
r.set_sp(sp);
r.set_bp(bp);
r
}
#[inline(always)]
pub fn get(&self, reg: Reg) -> u64 {
self.regs[reg as usize]
}
#[inline(always)]
pub fn set(&mut self, reg: Reg, value: u64) {
self.regs[reg as usize] = value;
}
#[inline(always)]
pub fn ip(&self) -> u64 {
self.ip
}
#[inline(always)]
pub fn set_ip(&mut self, ip: u64) {
self.ip = ip
}
#[inline(always)]
pub fn sp(&self) -> u64 {
self.get(Reg::RSP)
}
#[inline(always)]
pub fn set_sp(&mut self, sp: u64) {
self.set(Reg::RSP, sp)
}
#[inline(always)]
pub fn bp(&self) -> u64 {
self.get(Reg::RBP)
}
#[inline(always)]
pub fn set_bp(&mut self, bp: u64) {
self.set(Reg::RBP, bp)
}
}
impl Debug for UnwindRegsX86_64 {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
f.debug_struct("UnwindRegsX86_64")
.field("ip", &HexNum(self.ip()))
.field("rax", &HexNum(self.get(Reg::RAX)))
.field("rdx", &HexNum(self.get(Reg::RDX)))
.field("rcx", &HexNum(self.get(Reg::RCX)))
.field("rbx", &HexNum(self.get(Reg::RBX)))
.field("rsi", &HexNum(self.get(Reg::RSI)))
.field("rdi", &HexNum(self.get(Reg::RDI)))
.field("rbp", &HexNum(self.get(Reg::RBP)))
.field("rsp", &HexNum(self.get(Reg::RSP)))
.field("r8", &HexNum(self.get(Reg::R8)))
.field("r9", &HexNum(self.get(Reg::R9)))
.field("r10", &HexNum(self.get(Reg::R10)))
.field("r11", &HexNum(self.get(Reg::R11)))
.field("r12", &HexNum(self.get(Reg::R12)))
.field("r13", &HexNum(self.get(Reg::R13)))
.field("r14", &HexNum(self.get(Reg::R14)))
.field("r15", &HexNum(self.get(Reg::R15)))
.finish()
}
}