public void SetCommandAtIndex(int index, RelCommand cmd)
{
if (index >= Relocations.Count || index < 0)
{
return;
}
if (Relocations[index].Command != null)
{
Relocations[index].Command.Remove();
}
Relocations[index].Command = cmd;
RelCommand c = GetCommandBefore(index);
if (c != null)
{
cmd.InsertAfter(c);
}
else
{
c = GetCommandAfter(index);
if (c != null)
{
cmd.InsertBefore(c);
}
}
GetFirstCommand();
}
public void SetCommand(int index, RelCommand cmd)
{
if (_reference != null)
{
_reference._manager.SetCommand(index + _referenceIndex, cmd);
return;
}
if (_commands.ContainsKey(index))
{
if (cmd != null)
{
LinkCommand(index, false);
_commands[index] = cmd;
LinkCommand(index, true);
}
else
{
LinkCommand(index, false);
_commands.Remove(index);
}
}
else if (cmd != null)
{
_commands.Add(index, cmd);
LinkCommand(index, true);
}
}
public void ClearCommands()
{
RelCommand c = _firstCommand;
while (c != null)
{
c._parentRelocation.Command = null;
c = c._next;
}
}
public void Remove()
{
if (_next != null)
{
_next._prev = _prev;
}
if (_prev != null)
{
_prev._next = _next;
}
_next = _prev = null;
}
private void SetCommand(RelCommand command)
{
if (_command == command)
{
return;
}
if (_command != null)
{
SetTarget(null);
_command._parentRelocation = null;
}
if ((_command = command) != null)
{
_command._parentRelocation = this;
SetTarget(_command.GetTargetRelocation());
}
}
public SectionEditor(ModuleSectionNode section)
{
InitializeComponent();
ppcDisassembler1._editor = this;
if ((_section = section) != null)
{
_section._linkedEditor = this;
Relocation[] temp = new Relocation[_section._relocations.Count];
_section._relocations.CopyTo(temp);
_relocations = temp.ToList();
_firstCommand = _section._firstCommand;
}
_openedSections.Add(this);
Text = String.Format("Module Section Editor - {0}", _section.Name);
hexBox1.SectionEditor = this;
chkCodeSection.Checked = _section._isCodeSection;
chkBSSSection.Checked = _section._isBSSSection;
if (section.Root is RELNode)
{
RELNode r = (RELNode)section.Root;
if (r._prologReloc != null && r._prologReloc._section == section)
_prologReloc = r._prologReloc;
if (r._epilogReloc != null && r._epilogReloc._section == section)
_epilogReloc = r._epilogReloc;
if (r._unresReloc != null && r._unresReloc._section == section)
_unresReloc = r._unresReloc;
//if (r._nameReloc != null && r._nameReloc._section == section)
// _nameReloc = r._nameReloc;
}
panel5.Enabled = true;
}
public void GenerateImports()
{
_imports.Clear();
Dictionary <uint, ImportData> data = new Dictionary <uint, ImportData>();
foreach (ModuleSectionNode s in _sections)
{
foreach (ImportData e in data.Values)
{
e._first = true;
e._lastOffset = 0;
}
uint i = 0;
uint offset = 0;
List <RELLink> cmds;
foreach (Relocation loc in s._relocations)
{
if (loc.Command != null)
{
RelCommand cmd = loc.Command;
ImportData d;
uint id = cmd._moduleID;
if (_imports.ContainsKey(id))
{
cmds = _imports[id];
d = data[id];
}
else
{
_imports.Add(id, cmds = new List <RELLink>());
data.Add(id, d = new ImportData()
{
_first = true, _lastOffset = 0
});
}
if (d._first)
{
cmds.Add(new RELLink()
{
_type = RELLinkType.Section, _section = (byte)s.Index
});
d._first = false;
}
offset = i * 4 + (cmd.IsHalf ? 2u : 0);
uint diff = offset - d._lastOffset;
while (offset - d._lastOffset > 0xFFFF)
{
d._lastOffset += 0xFFFF;
cmds.Add(new RELLink()
{
_type = RELLinkType.IncrementOffset, _section = 0, _value = 0, _prevOffset = 0xFFFF
});
}
byte targetSection = (byte)cmd._targetSectionId;
RELLinkType type = (RELLinkType)cmd._command;
uint val = cmd._addend;
cmds.Add(new RELLink()
{
_type = type, _section = targetSection, _value = val, _prevOffset = (ushort)diff
});
d._lastOffset = offset;
}
i++;
}
}
foreach (List <RELLink> cmds in _imports.Values)
{
cmds.Add(new RELLink()
{
_type = RELLinkType.End
});
}
}
private unsafe RELObjectNode ParseObject(ref int rel)
{
RelCommand cmd = Manager.GetCommand(rel);
RelocationTarget target = cmd?.GetTargetRelocation();
if (target == null || target._sectionID != _objectSection.Index)
{
return(null);
}
if (!_types.TryGetValue(target._index, out RELType declaration) || declaration.Inherited)
{
return(null);
}
RELObjectNode obj = null;
foreach (RELObjectNode node in _objects)
{
if (node._name == declaration.FullName)
{
obj = node;
break;
}
}
if (obj == null)
{
obj = new RELObjectNode(declaration)
{
_parent = _objectSection
};
_objectSection._children.Add(obj);
new RELGroupNode {
_name = "Inheritance"
}.Parent = obj;
foreach (InheritanceItemNode n in declaration.Inheritance)
{
n.Parent = obj.Children[0];
}
new RELGroupNode {
_name = "Functions"
}.Parent = obj;
}
int baseRel = rel;
RelCommand baseCmd = Manager.GetCommand(baseRel);
int methodIndex = 0;
int setIndex = 0;
//Read object methods.
while ((cmd = Manager.GetCommand(rel)) != null)
{
RelocationTarget t = cmd.GetTargetRelocation();
if (cmd.Apply(Manager.GetUint(rel), 0) != baseCmd.Apply(Manager.GetUint(baseRel), 0))
{
string methodName = $"Function[{setIndex}][{methodIndex}]";
VoidPtr addr = null;
if (t != null && t._moduleID == (_objectSection.Root as ModuleNode).ID)
{
addr = _objectSection.Root.Children[t._sectionID].WorkingUncompressed.Address + t._index * 4;
}
new RELMethodNode
{
_name = methodName,
_cmd = cmd
}
.Initialize(obj.Children[1], addr, 0);
methodIndex++;
}
else
{
if (Manager.GetUint(rel + 1) != 0)
{
setIndex++;
}
methodIndex = 0;
rel++;
}
rel++;
}
Manager.AddTag(baseRel, obj.Type.FullName);
_objects.Add(obj);
return(obj);
}
public void InsertAfter(RelCommand cmd)
{
_prev = cmd;
_next = cmd._next;
cmd._next = this;
}
public void InsertBefore(RelCommand cmd)
{
_next = cmd;
_prev = cmd._prev;
cmd._prev = this;
}
public void GenerateImports()
{
_imports.Clear();
Dictionary <uint, ImportData> tempImports = new Dictionary <uint, ImportData>();
foreach (ModuleSectionNode s in _sections)
{
foreach (ImportData e in tempImports.Values)
{
e._newSection = true;
e._lastOffset = 0;
}
uint offset = 0;
List <RELLink> links;
//Iterate through each command in the section
var commands = s._manager.GetCommands();
foreach (var r in commands)
{
RelCommand command = r.Value;
int index = r.Key;
ImportData impData;
uint moduleID = command._moduleID;
//Check if an import has been created for the target module.
if (_imports.ContainsKey(moduleID))
{
//An import already exists, so we'll add to it.
links = _imports[moduleID];
impData = tempImports[moduleID];
}
else
{
//An import does not exist, so it must be made.
_imports.Add(moduleID, links = new List <RELLink>());
//Create new temporary import data
tempImports.Add(moduleID, impData = new ImportData()
{
_newSection = true, _lastOffset = 0
});
}
//This is true when a new section is being evaluated.
if (impData._newSection)
{
links.Add(new RELLink()
{
_type = RELLinkType.Section, _section = (byte)s.Index
});
impData._newSection = false;
}
//Get the offset of the command within the section.
offset = (uint)index * 4 + (command.IsHalf ? 2u : 0);
//Get the offset to this address relative to the last written link offset.
uint diff = offset - impData._lastOffset;
//If the difference is greater than ushort allows,
//add increment links until the difference works
while (diff > 0xFFFF)
{
impData._lastOffset += 0xFFFF;
diff = offset - impData._lastOffset;
links.Add(new RELLink()
{
_type = RELLinkType.IncrementOffset, _section = 0, _value = 0, _prevOffset = 0xFFFF
});
}
//Gather the link information
byte targetSection = (byte)command._targetSectionId;
RELLinkType type = (RELLinkType)command._command;
uint val = command._addend;
//Write command link
links.Add(new RELLink()
{
_type = type, _section = targetSection, _value = val, _prevOffset = (ushort)diff
});
//Don't bother adding the difference,
//just set the exact offset as the last offset
impData._lastOffset = offset;
}
}
foreach (List <RELLink> cmds in _imports.Values)
{
cmds.Add(new RELLink()
{
_type = RELLinkType.End
});
}
}
public void Remove()
{
if (_next != null)
_next._prev = _prev;
if (_prev != null)
_prev._next = _next;
_next = _prev = null;
}
public void InsertBefore(RelCommand cmd)
{
_next = cmd;
_prev = cmd._prev;
cmd._prev = this;
}
public void SetCommandAtOffset(int offset, RelCommand cmd)
{
SetCommandAtIndex(offset.RoundDown(4) / 4, cmd);
}
public void GetFirstCommand()
{
_firstCommand = GetCommandAfter(-1);
}
public void GetFirstCommand()
{
_firstCommand = GetCommandAfter(-1);
}
public void SetCommandAtOffset(int offset, RelCommand cmd)
{
SetCommandAtIndex(offset.RoundDown(4) / 4, cmd);
}
public void SetCommandAtIndex(int index, RelCommand cmd)
{
if (index >= _relocations.Count || index < 0)
return;
if (_relocations[index].Command != null)
_relocations[index].Command.Remove();
_relocations[index].Command = cmd;
RelCommand c = GetCommandBefore(index);
if (c != null)
cmd.InsertAfter(c);
else
{
c = GetCommandAfter(index);
if (c != null)
cmd.InsertBefore(c);
}
GetFirstCommand();
}
private unsafe RELType ParseDeclaration(int index)
{
if (_types.TryGetValue(index, out RELType type))
{
return(type);
}
RelCommand cmd = Manager.GetCommand(index);
RelocationTarget target = cmd?.GetTargetRelocation();
if (target == null || target._sectionID != _objectSection.Index)
{
return(null);
}
uint relOffset = cmd.Apply(Manager.GetUint(index), 0);
if (relOffset > _objectSection._dataOffset + _objectSection._dataSize)
{
return(null);
}
string name = new string((sbyte *)(_objectSection.Header + relOffset));
if (string.IsNullOrWhiteSpace(name))
{
return(null);
}
type = new RELType(name);
//Get inheritances, if any.
cmd = Manager.GetCommand(index + 1);
if (cmd != null)
{
for (RelocationTarget r = cmd.GetTargetRelocation();
r != null && (cmd = Manager.GetCommand(r._index)) != null;
r._index += 2)
{
RelocationTarget inheritTarget = cmd.GetTargetRelocation();
RELType inheritance = ParseDeclaration(inheritTarget._index);
if (inheritance != null)
{
InheritanceItemNode typeNode =
new InheritanceItemNode(inheritance, Manager.GetUint(r._index + 1));
typeNode.Initialize(null, _objectSection.Header + r._index * 4, 0);
type.Inheritance.Add(typeNode);
inheritance.Inherited = true;
}
else
{
break;
}
}
}
Manager.AddTag(index, type.FormalName + " Declaration");
Manager.AddTag(index + 1, type.FormalName + "->Inheritances");
_types.Add(index, type);
return(type);
}
private void SetCommand(RelCommand command)
{
if (_command == command)
return;
if (_command != null)
{
SetTarget(null);
_command._parentRelocation = null;
}
if ((_command = command) != null)
{
_command._parentRelocation = this;
SetTarget(_command.GetTargetRelocation());
}
}
public void InsertAfter(RelCommand cmd)
{
_prev = cmd;
_next = cmd._next;
cmd._next = this;
}