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LibDebug+Everywhere: Avoid void* -> FlatPtr -> void* dance

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And limit the `void*` to the functions that interface the system (i.e.
ptrace wrappers).
This generally makes the code less riddled with casts.
This commit is contained in:
Ali Mohammad Pur 2022-01-27 04:46:27 +03:30 • committed by Linus Groh
parent b27b22a68c
commit 6d64b13a1b
15 changed files with 97 additions and 96 deletions
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2
Userland/DevTools/HackStudio/Debugger/DebugInfoWidget.cpp
View file

@ -113,7 +113,7 @@ RefPtr<GUI::Menu> DebugInfoWidget::get_context_menu_for_variable(const GUI::Mode
}));
}
auto variable_address = (FlatPtr*)variable->location_data.address;
auto variable_address = variable->location_data.address;
if (Debugger::the().session()->watchpoint_exists(variable_address)) {
context_menu->add_action(GUI::Action::create("Remove watchpoint", [variable_address](auto&) {
Debugger::the().session()->remove_watchpoint(variable_address);

14
Userland/DevTools/HackStudio/Debugger/Debugger.cpp
View file

@ -69,10 +69,10 @@ void Debugger::on_breakpoint_change(const String& file, size_t line, BreakpointC
}
if (change_type == BreakpointChange::Added) {
bool success = session->insert_breakpoint(reinterpret_cast<void*>(address.value().address));
bool success = session->insert_breakpoint(address.value().address);
VERIFY(success);
} else {
bool success = session->remove_breakpoint(reinterpret_cast<void*>(address.value().address));
bool success = session->remove_breakpoint(address.value().address);
VERIFY(success);
}
}
@ -125,7 +125,7 @@ void Debugger::start()
dbgln("inserting breakpoint at: {}:{}", breakpoint.file_path, breakpoint.line_number);
auto address = m_debug_session->get_address_from_source_position(breakpoint.file_path, breakpoint.line_number);
if (address.has_value()) {
bool success = m_debug_session->insert_breakpoint(reinterpret_cast<void*>(address.value().address));
bool success = m_debug_session->insert_breakpoint(address.value().address);
VERIFY(success);
} else {
dbgln("couldn't insert breakpoint");
@ -227,8 +227,8 @@ bool Debugger::DebuggingState::should_stop_single_stepping(const Debug::DebugInf
void Debugger::remove_temporary_breakpoints()
{
for (auto breakpoint_address : m_state.temporary_breakpoints()) {
VERIFY(m_debug_session->breakpoint_exists((void*)breakpoint_address));
bool rc = m_debug_session->remove_breakpoint((void*)breakpoint_address);
VERIFY(m_debug_session->breakpoint_exists(breakpoint_address));
bool rc = m_debug_session->remove_breakpoint(breakpoint_address);
VERIFY(rc);
}
m_state.clear_temporary_breakpoints();
@ -281,9 +281,9 @@ void Debugger::insert_temporary_breakpoint_at_return_address(const PtraceRegiste
void Debugger::insert_temporary_breakpoint(FlatPtr address)
{
if (m_debug_session->breakpoint_exists((void*)address))
if (m_debug_session->breakpoint_exists(address))
return;
bool success = m_debug_session->insert_breakpoint(reinterpret_cast<void*>(address));
bool success = m_debug_session->insert_breakpoint(address);
VERIFY(success);
m_state.add_temporary_breakpoint(address);
}

8
Userland/DevTools/HackStudio/Debugger/DebuggerGlobalJSObject.cpp
View file

@ -53,7 +53,7 @@ JS::ThrowCompletionOr<bool> DebuggerGlobalJSObject::internal_set(JS::PropertyKey
auto& target_variable = **it;
auto debugger_value = js_to_debugger(value, target_variable);
if (debugger_value.has_value())
return Debugger::the().session()->poke((u32*)target_variable.location_data.address, debugger_value.value());
return Debugger::the().session()->poke(target_variable.location_data.address, debugger_value.value());
auto error_string = String::formatted("Cannot convert JS value {} to variable {} of type {}", value.to_string_without_side_effects(), property_name.as_string(), target_variable.type_name);
return vm().throw_completion<JS::TypeError>(const_cast<DebuggerGlobalJSObject&>(*this), move(error_string));
}
@ -66,19 +66,19 @@ Optional<JS::Value> DebuggerGlobalJSObject::debugger_to_js(const Debug::DebugInf
auto variable_address = variable.location_data.address;
if (variable.is_enum_type() || variable.type_name == "int") {
auto value = Debugger::the().session()->peek((u32*)variable_address);
auto value = Debugger::the().session()->peek(variable_address);
VERIFY(value.has_value());
return JS::Value((i32)value.value());
}
if (variable.type_name == "char") {
auto value = Debugger::the().session()->peek((u32*)variable_address);
auto value = Debugger::the().session()->peek(variable_address);
VERIFY(value.has_value());
return JS::Value((char)value.value());
}
if (variable.type_name == "bool") {
auto value = Debugger::the().session()->peek((u32*)variable_address);
auto value = Debugger::the().session()->peek(variable_address);
VERIFY(value.has_value());
return JS::Value(value.value() != 0);
}

2
Userland/DevTools/HackStudio/Debugger/DebuggerVariableJSObject.cpp
View file

@ -49,7 +49,7 @@ JS::ThrowCompletionOr<bool> DebuggerVariableJSObject::internal_set(const JS::Pro
if (!new_value.has_value())
return vm.throw_completion<JS::TypeError>(global_object(), String::formatted("Cannot convert JS value {} to variable {} of type {}", value.to_string_without_side_effects(), name, member.type_name));
Debugger::the().session()->poke((u32*)member.location_data.address, new_value.value());
Debugger::the().session()->poke(member.location_data.address, new_value.value());
return true;
}

10
Userland/DevTools/HackStudio/Debugger/VariablesModel.cpp
View file

@ -63,7 +63,7 @@ static String variable_value_as_string(const Debug::DebugInfo::VariableInfo& var
auto variable_address = variable.location_data.address;
if (variable.is_enum_type()) {
auto value = Debugger::the().session()->peek((u32*)variable_address);
auto value = Debugger::the().session()->peek(variable_address);
VERIFY(value.has_value());
auto it = variable.type->members.find_if([&enumerator_value = value.value()](const auto& enumerator) {
return enumerator->constant_data.as_u32 == enumerator_value;
@ -74,19 +74,19 @@ static String variable_value_as_string(const Debug::DebugInfo::VariableInfo& var
}
if (variable.type_name == "int") {
auto value = Debugger::the().session()->peek((u32*)variable_address);
auto value = Debugger::the().session()->peek(variable_address);
VERIFY(value.has_value());
return String::formatted("{}", static_cast<int>(value.value()));
}
if (variable.type_name == "char") {
auto value = Debugger::the().session()->peek((u32*)variable_address);
auto value = Debugger::the().session()->peek(variable_address);
VERIFY(value.has_value());
return String::formatted("'{0:c}'", (char)value.value());
}
if (variable.type_name == "bool") {
auto value = Debugger::the().session()->peek((u32*)variable_address);
auto value = Debugger::the().session()->peek(variable_address);
VERIFY(value.has_value());
return (value.value() & 1) ? "true" : "false";
}
@ -136,7 +136,7 @@ void VariablesModel::set_variable_value(const GUI::ModelIndex& index, StringView
auto value = string_to_variable_value(string_value, *variable);
if (value.has_value()) {
auto success = Debugger::the().session()->poke((u32*)variable->location_data.address, value.value());
auto success = Debugger::the().session()->poke(variable->location_data.address, value.value());
VERIFY(success);
return;
}