1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
* 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.
*/
#include "DebugInfoWidget.h"
#include "BacktraceModel.h"
#include "Debugger.h"
#include "VariablesModel.h"
#include <AK/StringBuilder.h>
#include <LibGUI/Action.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/InputBox.h>
#include <LibGUI/ListView.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Model.h>
#include <LibGUI/Splitter.h>
#include <LibGUI/TreeView.h>
DebugInfoWidget::DebugInfoWidget()
{
set_layout<GUI::HorizontalBoxLayout>();
auto& splitter = add<GUI::HorizontalSplitter>();
m_backtrace_view = splitter.add<GUI::ListView>();
m_variables_view = splitter.add<GUI::TreeView>();
m_backtrace_view->on_selection = [this](auto& index) {
auto& model = static_cast<BacktraceModel&>(*m_backtrace_view->model());
// Note: The reconstruction of the register set here is obviously incomplete.
// We currently only reconstruct eip & ebp. Ideally would also reconstruct the other registers somehow.
// (Other registers may be needed to get the values of variables who are not stored on the stack)
PtraceRegisters frame_regs {};
frame_regs.eip = model.frames()[index.row()].instruction_address;
frame_regs.ebp = model.frames()[index.row()].frame_base;
m_variables_view->set_model(VariablesModel::create(frame_regs));
};
auto edit_variable_action = GUI::Action::create("Change value", [&](auto&) {
m_variables_view->on_activation(m_variables_view->selection().first());
});
m_variable_context_menu = GUI::Menu::construct();
m_variable_context_menu->add_action(edit_variable_action);
auto is_valid_index = [](auto& index) {
if (!index.is_valid())
return false;
auto* variable = static_cast<const DebugInfo::VariableInfo*>(index.internal_data());
if (variable->location_type != DebugInfo::VariableInfo::LocationType::Address)
return false;
return variable->is_enum_type() || variable->type_name.is_one_of("int", "bool");
};
m_variables_view->on_context_menu_request = [this, is_valid_index](auto& index, auto& event) {
if (!is_valid_index(index))
return;
m_variable_context_menu->popup(event.screen_position());
};
m_variables_view->on_activation = [this, is_valid_index](auto& index) {
if (!is_valid_index(index))
return;
auto input = GUI::InputBox::construct("Enter new value:", "Set variable value", window());
if (input->exec() == GUI::InputBox::ExecOK) {
auto& model = static_cast<VariablesModel&>(*m_variables_view->model());
model.set_variable_value(index, input->text_value(), window());
}
};
}
void DebugInfoWidget::update_state(const DebugSession& debug_session, const PtraceRegisters& regs)
{
m_variables_view->set_model(VariablesModel::create(regs));
m_backtrace_view->set_model(BacktraceModel::create(debug_session, regs));
m_backtrace_view->selection().set(m_backtrace_view->model()->index(0));
}
void DebugInfoWidget::program_stopped()
{
m_variables_view->set_model({});
}
|
