mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 15:40:19 +00:00
3e9a7175d1
The DebugSession class wraps the usage of Ptrace. It is intended to be used by cli & gui debugger programs. Also, call objdump for disassemly
71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/NonnullOwnPtr.h>
|
|
#include <AK/Optional.h>
|
|
#include <Kernel/UnixTypes.h>
|
|
#include <LibC/sys/arch/i386/regs.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class ThreadTracer {
|
|
public:
|
|
static NonnullOwnPtr<ThreadTracer> create(pid_t tracer) { return make<ThreadTracer>(tracer); }
|
|
|
|
pid_t tracer_pid() const { return m_tracer_pid; }
|
|
bool has_pending_signal(u32 signal) const { return m_pending_signals & (1 << (signal - 1)); }
|
|
void set_signal(u32 signal) { m_pending_signals |= (1 << (signal - 1)); }
|
|
void unset_signal(u32 signal) { m_pending_signals &= ~(1 << (signal - 1)); }
|
|
|
|
bool is_tracing_syscalls() const { return m_trace_syscalls; }
|
|
void set_trace_syscalls(bool val) { m_trace_syscalls = val; }
|
|
|
|
void set_regs(const RegisterState& regs);
|
|
void set_regs(const PtraceRegisters& regs) { m_regs = regs; }
|
|
bool has_regs() const { return m_regs.has_value(); }
|
|
const PtraceRegisters& regs() const
|
|
{
|
|
ASSERT(m_regs.has_value());
|
|
return m_regs.value();
|
|
}
|
|
|
|
explicit ThreadTracer(pid_t);
|
|
|
|
private:
|
|
pid_t m_tracer_pid { -1 };
|
|
|
|
// This is a bitmap for signals that are sent from the tracer to the tracee
|
|
// TODO: Since we do not currently support sending signals
|
|
// to the tracee via PT_CONTINUE, this bitmap is always zeroed
|
|
u32 m_pending_signals { 0 };
|
|
|
|
bool m_trace_syscalls { false };
|
|
Optional<PtraceRegisters> m_regs;
|
|
};
|
|
|
|
}
|