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https://github.com/cloud-hypervisor/cloud-hypervisor.git
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f1c4705638
This commit adds initial gdb.rs implementation for `Debuggable` trait to describe a debuggable component. Some part of the trait bound implementations is based on the crosvm GDB stub code [1]. [1] https://github.com/google/crosvm/blob/main/src/gdb.rs Signed-off-by: Akira Moroo <retrage01@gmail.com>
54 lines
1.7 KiB
Rust
54 lines
1.7 KiB
Rust
// Copyright 2022 Akira Moroo.
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// Portions Copyright 2020 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE-BSD-3-Clause file.
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//
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// SPDX-License-Identifier: BSD-3-Clause
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#[cfg(target_arch = "x86_64")]
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use gdbstub_arch::x86::reg::X86_64CoreRegs as CoreRegs;
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use vm_memory::GuestAddress;
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#[derive(Debug)]
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pub enum DebuggableError {
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SetDebug(hypervisor::HypervisorCpuError),
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Pause(vm_migration::MigratableError),
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Resume(vm_migration::MigratableError),
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ReadRegs(crate::cpu::Error),
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WriteRegs(crate::cpu::Error),
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ReadMem(hypervisor::HypervisorVmError),
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WriteMem(hypervisor::HypervisorVmError),
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TranslateGva(crate::cpu::Error),
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PoisonedState,
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}
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pub trait Debuggable: vm_migration::Pausable {
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fn set_guest_debug(
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&self,
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cpu_id: usize,
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addrs: &[GuestAddress],
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singlestep: bool,
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) -> Result<(), DebuggableError>;
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fn debug_pause(&mut self) -> std::result::Result<(), DebuggableError>;
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fn debug_resume(&mut self) -> std::result::Result<(), DebuggableError>;
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fn read_regs(&self, cpu_id: usize) -> std::result::Result<CoreRegs, DebuggableError>;
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fn write_regs(
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&self,
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cpu_id: usize,
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regs: &CoreRegs,
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) -> std::result::Result<(), DebuggableError>;
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fn read_mem(
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&self,
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cpu_id: usize,
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vaddr: GuestAddress,
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len: usize,
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) -> std::result::Result<Vec<u8>, DebuggableError>;
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fn write_mem(
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&self,
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cpu_id: usize,
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vaddr: &GuestAddress,
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data: &[u8],
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) -> std::result::Result<(), DebuggableError>;
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fn active_vcpus(&self) -> usize;
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}
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