Partial linking of spec segments (#2661)

* Partial linking of overlay segments, relax linker script alignment

* Partial linking of all spec segments

* Fix update, remove _RomPos from linker script

* iQue version working pending COM-plugin update

* Add plf map file resolution to sym_info.py, local symbol merging is broken

* git subrepo pull tools/com-plugin

subrepo:
  subdir:   "tools/com-plugin"
  merged:   "c4f3ba845"
upstream:
  origin:   "git@github.com:Thar0/com-plugin.git"
  branch:   "main"
  commit:   "c4f3ba845"
git-subrepo:
  version:  "0.4.6"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "110b9eb"

* Make tools compatible with partial linking

Co-authored-by: Anghelo Carvajal <angheloalf95@gmail.com>

* Remove unused files

* Fix some makefile bits

* mkspecrules cleanup

* Comment on the makerom linker layout in mkldscript

* Revert linker padding strategy back to pad_text spec directives

* Comment on objcopy elf -> rom step

* Adjust tool descriptions

* Fix compressed builds

* rm reloc_prereq, no longer used

* Makefile merge fix

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

---------

Co-authored-by: Anghelo Carvajal <angheloalf95@gmail.com>
Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

first_diff.py

@@ -26,6 +26,13 @@ def decodeInstruction(bytesDiff: bytes, mapFile: mapfile_parser.MapFile) -> str:
 
     return instr.disassemble(immOverride=immOverride, extraLJust=-20)
 
+def plfResolver(x: Path) -> Path|None:
+    if x.suffix == ".plf":
+        plf_map_path = x.with_suffix(".map")
+        if plf_map_path.exists():
+            return plf_map_path
+    return None
+
 def firstDiffMain():
     parser = argparse.ArgumentParser(description="Find the first difference(s) between the built ROM and the base ROM.")
 
@@ -43,7 +50,11 @@ def firstDiffMain():
     EXPECTEDROM = Path(f"baseroms/{args.oot_version}/baserom-decompressed.z64")
     EXPECTEDMAP = "expected" / BUILTMAP
 
-    mapfile_parser.frontends.first_diff.doFirstDiff(BUILTMAP, EXPECTEDMAP, BUILTROM, EXPECTEDROM, args.count, mismatchSize=True, addColons=args.add_colons, bytesConverterCallback=decodeInstruction)
+    mapfile_parser.frontends.first_diff.doFirstDiff(BUILTMAP, EXPECTEDMAP, BUILTROM, EXPECTEDROM, args.count,
+                                                    mismatchSize=True, addColons=args.add_colons,
+                                                    bytesConverterCallback=decodeInstruction,
+                                                    plfResolver=plfResolver,
+                                                    plfResolverExpected=plfResolver)
 
 if __name__ == "__main__":
     firstDiffMain()