public void AddSections(MapFileBuilder mapFileBuilder)
{
foreach (Section section in _sections)
{
mapFileBuilder.AddSection(section);
}
}
/// <summary>
/// Fill in map builder section table.
/// </summary>
/// <param name="mapFileBuilder">Map file builder to set up</param>
public void AddSections(MapFileBuilder mapFileBuilder)
{
_sectionBuilder.AddSections(mapFileBuilder);
}
/// <summary>
/// Add an ObjectData block to a given section.
/// </summary>
/// <param name="data">Block to add</param>
/// <param name="sectionIndex">Section index</param>
/// <param name="name">Node name to emit in the map file</param>
/// <param name="mapFileBuilder">Optional map file to emit</param>
public void AddObjectData(ObjectNode.ObjectData objectData, int sectionIndex, string name, MapFileBuilder mapFileBuilder)
{
Section section = _sections[sectionIndex];
// Calculate alignment padding - apparently ObjectDataBuilder can produce an alignment of 0
int alignedOffset = section.Content.Count;
if (objectData.Alignment > 1)
{
alignedOffset = (section.Content.Count + objectData.Alignment - 1) & -objectData.Alignment;
int padding = alignedOffset - section.Content.Count;
if (padding > 0)
{
if ((section.Characteristics & SectionCharacteristics.ContainsCode) != 0)
{
uint cp = _codePadding;
while (padding >= sizeof(uint))
{
section.Content.WriteUInt32(cp);
padding -= sizeof(uint);
}
if (padding >= 2)
{
section.Content.WriteUInt16(unchecked ((ushort)cp));
cp >>= 16;
}
if ((padding & 1) != 0)
{
section.Content.WriteByte(unchecked ((byte)cp));
}
}
else
{
section.Content.WriteBytes(0, padding);
}
}
}
if (mapFileBuilder != null)
{
MapFileNode node = new MapFileNode(sectionIndex, alignedOffset, objectData.Data.Length, name);
mapFileBuilder.AddNode(node);
if (objectData.Relocs != null)
{
foreach (Relocation reloc in objectData.Relocs)
{
RelocType fileReloc = Relocation.GetFileRelocationType(reloc.RelocType);
if (fileReloc != RelocType.IMAGE_REL_BASED_ABSOLUTE)
{
mapFileBuilder.AddRelocation(node, fileReloc);
}
}
}
}
section.Content.WriteBytes(objectData.Data);
if (objectData.DefinedSymbols != null)
{
foreach (ISymbolDefinitionNode symbol in objectData.DefinedSymbols)
{
if (mapFileBuilder != null)
{
Utf8StringBuilder sb = new Utf8StringBuilder();
symbol.AppendMangledName(GetNameMangler(), sb);
int sectionRelativeOffset = alignedOffset + symbol.Offset;
mapFileBuilder.AddSymbol(new MapFileSymbol(sectionIndex, sectionRelativeOffset, sb.ToString()));
}
_symbolMap.Add(symbol, new SymbolTarget(
sectionIndex: sectionIndex,
offset: alignedOffset + symbol.Offset,
size: objectData.Data.Length));
}
}
if (objectData.Relocs != null && objectData.Relocs.Length != 0)
{
section.PlacedObjectDataToRelocate.Add(new PlacedObjectData(alignedOffset, objectData));
}
}
/// <summary>
/// Emit a single object data item into the output R2R PE file using the section builder.
/// </summary>
/// <param name="objectData">Object data to emit</param>
/// <param name="section">Target section</param>
/// <param name="name">Textual name of the object data for diagnostic purposese</param>
/// <param name="mapFileBuilder">Optional map file builder to output the data item to</param>
public void AddObjectData(ObjectNode.ObjectData objectData, ObjectNodeSection section, string name, MapFileBuilder mapFileBuilder)
{
if (_written)
{
throw new InternalCompilerErrorException("Inconsistent upstream behavior - AddObjectData mustn't be called after Write");
}
int targetSectionIndex;
switch (section.Type)
{
case SectionType.ReadOnly:
// We put ReadOnly data into the text section to limit the number of sections.
case SectionType.Executable:
targetSectionIndex = _textSectionIndex;
break;
case SectionType.Writeable:
targetSectionIndex = _dataSectionIndex;
break;
default:
throw new NotImplementedException();
}
_sectionBuilder.AddObjectData(objectData, targetSectionIndex, name, mapFileBuilder);
}
