mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 15:32:46 +00:00
b91c49364d
This makes it more symmetrical with adopt_own() (which is used to create a NonnullOwnPtr from the result of a naked new.)
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include "BacktraceModel.h"
|
|
#include "Debugger.h"
|
|
#include <LibDebug/StackFrameUtils.h>
|
|
|
|
namespace HackStudio {
|
|
|
|
NonnullRefPtr<BacktraceModel> BacktraceModel::create(const Debug::DebugSession& debug_session, const PtraceRegisters& regs)
|
|
{
|
|
return adopt_ref(*new BacktraceModel(create_backtrace(debug_session, regs)));
|
|
}
|
|
|
|
GUI::Variant BacktraceModel::data(const GUI::ModelIndex& index, GUI::ModelRole role) const
|
|
{
|
|
if (role == GUI::ModelRole::Display) {
|
|
auto& frame = m_frames.at(index.row());
|
|
return frame.function_name;
|
|
}
|
|
return {};
|
|
}
|
|
|
|
GUI::ModelIndex BacktraceModel::index(int row, int column, const GUI::ModelIndex&) const
|
|
{
|
|
if (row < 0 || row >= static_cast<int>(m_frames.size()))
|
|
return {};
|
|
return create_index(row, column, &m_frames.at(row));
|
|
}
|
|
|
|
Vector<BacktraceModel::FrameInfo> BacktraceModel::create_backtrace(const Debug::DebugSession& debug_session, const PtraceRegisters& regs)
|
|
{
|
|
u32 current_ebp = regs.ebp;
|
|
u32 current_instruction = regs.eip;
|
|
Vector<BacktraceModel::FrameInfo> frames;
|
|
do {
|
|
auto lib = debug_session.library_at(regs.eip);
|
|
if (!lib)
|
|
continue;
|
|
String name = lib->debug_info->name_of_containing_function(current_instruction - lib->base_address);
|
|
if (name.is_null()) {
|
|
dbgln("BacktraceModel: couldn't find containing function for address: {:p}", current_instruction);
|
|
name = "<missing>";
|
|
}
|
|
|
|
frames.append({ name, current_instruction, current_ebp });
|
|
auto frame_info = Debug::StackFrameUtils::get_info(*Debugger::the().session(), current_ebp);
|
|
VERIFY(frame_info.has_value());
|
|
current_instruction = frame_info.value().return_address;
|
|
current_ebp = frame_info.value().next_ebp;
|
|
} while (current_ebp && current_instruction);
|
|
return frames;
|
|
}
|
|
|
|
}
|