vm_control/
gdb.rs

1// Copyright 2020 The ChromiumOS Authors
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use gdbstub::arch::Arch;
6#[cfg(target_arch = "aarch64")]
7use gdbstub_arch::aarch64::AArch64 as GdbArch;
8#[cfg(target_arch = "riscv64")]
9use gdbstub_arch::riscv::Riscv64 as GdbArch;
10#[cfg(target_arch = "x86_64")]
11use gdbstub_arch::x86::X86_64_SSE as GdbArch;
12use vm_memory::GuestAddress;
13
14/// Messages that can be sent to a vCPU to set/get its state from the debugger.
15#[derive(Clone, Debug)]
16pub enum VcpuDebug {
17    ReadMem(GuestAddress, usize),
18    ReadRegs,
19    ReadReg(<GdbArch as Arch>::RegId),
20    WriteRegs(Box<<GdbArch as Arch>::Registers>),
21    WriteReg(<GdbArch as Arch>::RegId, Vec<u8>),
22    WriteMem(GuestAddress, Vec<u8>),
23    EnableSinglestep,
24    GetHwBreakPointCount,
25    SetHwBreakPoint(Vec<GuestAddress>),
26}
27
28/// Messages that can be sent from a vCPU to update the state to the debugger.
29#[allow(clippy::large_enum_variant)]
30#[derive(Debug)]
31pub enum VcpuDebugStatus {
32    RegValues(<GdbArch as Arch>::Registers),
33    RegValue(Vec<u8>),
34    MemoryRegion(Vec<u8>),
35    CommandComplete,
36    HwBreakPointCount(usize),
37    HitBreakPoint,
38}
39
40/// Pair of a vCPU ID and messages that can be sent from the vCPU to update the state to the
41/// debugger.
42#[derive(Debug)]
43pub struct VcpuDebugStatusMessage {
44    pub cpu: usize,
45    pub msg: VcpuDebugStatus,
46}
vm_control/gdb.rs

vm_control/
gdb.rs
