.dead section fix

tools/libdol2asm/data/function/sinit.py

@@ -0,0 +1,65 @@
+import struct
+
+from dataclasses import dataclass, field
+from typing import List, Set, Dict
+from pathlib import Path
+
+from ...builder import AsyncBuilder
+from ...disassemble import AccessCollector
+from ... import util
+from .. import static_analyze
+from ..base import *
+from ..symbol import *
+from .base import *
+from .asm import *
+
+@dataclass(eq=False)
+class SInitFunction(ASMFunction):
+    async def export_declaration(self, exporter, builder: AsyncBuilder):
+        await super().export_declaration(exporter, builder)
+
+        await builder.write("#pragma push")
+        await builder.write("#pragma force_active on")
+        await builder.write(f"#pragma section \".ctors$15\"")
+        await builder.write(f"__declspec(section \".ctors$15\") void* const _ctors_{self.addr:08X} = (void*){self.label};")
+        await builder.write("#pragma pop")
+        await builder.write("")
+
+    @staticmethod
+    def create(section, group):
+        # TODO: This code is the same as ASMFunction.create
+        first = group[0]
+        last = group[-1]
+        start = first.start
+        end = last.end
+
+        blocks = []
+        for symbol in group:
+            block = Block(
+                Identifier("lbl", symbol.addr, None),
+                symbol.addr, symbol.size,
+            )
+            blocks.append(block)
+
+        # Calculate additional padding from zeros at the end of the function
+        data = section.get_data(start, end)
+        end_padding = 0
+        last_data = list(util.chunks(data, 4))
+        for x in last_data[::-1]:
+            if struct.unpack('>I', x)[0] != 0:
+                break
+            end_padding += 4
+
+        if end_padding > 0:
+            data = data[:-end_padding]
+            end -= end_padding
+
+        return SInitFunction(
+            Identifier("func", start, first.name),
+            addr=start,
+            size=end - start,
+            padding=last.padding + end_padding,
+            alignment=0,
+            blocks=blocks,
+            source=first.source,
+            data=data)