private void AddHeaderComment(DisasmProject proj, ChangeSet cs)
{
// Add header comment.
StringBuilder sb = new StringBuilder();
sb.AppendLine(string.Format(Res.Strings.DEFAULT_HEADER_COMMENT_FMT,
App.ProgramVersion));
sb.AppendLine();
foreach (SegmentMapEntry ent in mSegmentMap)
{
if (ent == null)
{
continue;
}
string segCmt = string.Format(Res.Strings.OMF_SEG_HDR_COMMENT_FMT,
ent.Segment.SegNum, ent.Segment.Kind, ent.Segment.SegName,
mFormatter.FormatAddress(ent.Address, true), ent.Segment.Length);
sb.AppendLine(segCmt);
}
UndoableChange uc = UndoableChange.CreateLongCommentChange(
LineListGen.Line.HEADER_COMMENT_OFFSET,
null, new MultiLineComment(sb.ToString()));
cs.Add(uc);
}
private bool GenerateDataAndProject()
{
// Sum up the segment lengths to get the total project size.
int totalLen = 0;
foreach (SegmentMapEntry ent in mSegmentMap)
{
if (ent == null)
{
continue;
}
totalLen += ent.Segment.Length;
}
Debug.WriteLine("Total length of loaded binary is " + totalLen);
byte[] data = new byte[totalLen];
// Create the project object.
DisasmProject proj = new DisasmProject();
proj.Initialize(data.Length);
// Try to get the Apple IIgs system definition. This is fragile, because it
// relies on the name in the JSON file, but it's optional. (If the default CPU
// type stops being 65816, we should be sure to set that here.)
try {
// TODO(maybe): encapsulate this somewhere else
string sysDefsPath = RuntimeDataAccess.GetPathName("SystemDefs.json");
SystemDefSet sds = SystemDefSet.ReadFile(sysDefsPath);
SystemDef sd = sds.FindEntryByName(IIGS_SYSTEM_DEF);
if (sd != null)
{
proj.ApplySystemDef(sd);
}
else
{
Debug.WriteLine("Unable to find Apple IIgs system definition");
}
} catch (Exception) {
// never mind
Debug.WriteLine("Failed to apply Apple IIgs system definition");
}
ChangeSet cs = new ChangeSet(mSegmentMap.Count * 2);
AddHeaderComment(proj, cs);
UndoableChange uc;
// Load the segments, and add entries to the project.
int bufOffset = 0;
foreach (SegmentMapEntry ent in mSegmentMap)
{
if (ent == null)
{
continue;
}
if (ent.Segment.Kind == OmfSegment.SegmentKind.JumpTable)
{
if (!RelocJumpTable(ent, data, bufOffset, cs))
{
// Could treat this as non-fatal, but it really ought to work.
Debug.WriteLine("Jump Table reloc failed");
return(false);
}
}
else
{
// Perform relocation.
if (!RelocSegment(ent, data, bufOffset))
{
return(false);
}
}
// Add one or more address entries. (Normally one, but data segments
// can straddle multiple pages.)
AddAddressEntries(proj, ent, bufOffset, cs);
if ((mFlags & Flags.AddNotes) != 0)
{
// Add a comment identifying the segment and its attributes.
string segCmt = string.Format(Res.Strings.OMF_SEG_COMMENT_FMT,
ent.Segment.SegNum, ent.Segment.Kind, ent.Segment.Attrs, ent.Segment.SegName);
uc = UndoableChange.CreateLongCommentChange(bufOffset, null,
new MultiLineComment(segCmt));
cs.Add(uc);
// Add a note identifying the segment.
string segNote = string.Format(Res.Strings.OMF_SEG_NOTE_FMT,
ent.Segment.SegNum, mFormatter.FormatAddress(ent.Address, true),
ent.Segment.SegName);
uc = UndoableChange.CreateNoteChange(bufOffset, null,
new MultiLineComment(segNote));
cs.Add(uc);
}
bufOffset += ent.Segment.Length;
}
proj.PrepForNew(data, "new_proj");
foreach (KeyValuePair <int, DisasmProject.RelocData> kvp in mRelocData)
{
proj.RelocList.Add(kvp.Key, kvp.Value);
}
// Enable "use reloc" in the analysis parameters.
ProjectProperties newProps = new ProjectProperties(proj.ProjectProps);
newProps.AnalysisParams.UseRelocData = true;
uc = UndoableChange.CreateProjectPropertiesChange(proj.ProjectProps, newProps);
cs.Add(uc);
// TODO(someday): by default we apply a code start tag to offset 0 of the first
// segment. The placement should take the segment's ENTRY into account.
Debug.WriteLine("Applying " + cs.Count + " changes");
proj.ApplyChanges(cs, false, out _);
mLoadedData = data;
mNewProject = proj;
return(true);
}