From cfbededcc4dffb50cee1b7844b30c0acaa648f52 Mon Sep 17 00:00:00 2001
From: Chris Forbes <chrisf@ijw.co.nz>
Date: Sun, 15 Aug 2010 18:03:28 +1200
Subject: [PATCH] a quick hack to set the 32bit flag in corheader

---
 Makefile               |  6 +++++-
 packaging/fixheader.cs | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 packaging/fixheader.cs

diff --git a/Makefile b/Makefile
index aa86c72c42..fc47daab80 100644
--- a/Makefile
+++ b/Makefile
@@ -155,9 +155,12 @@ OpenRA.TilesetBuilder.Form1.resources:
 tools: editor ralint seqed filex tsbuild
 all: game tools
 
+fixheader: packaging/fixheader.cs
+	@$(CSC) packaging/fixheader.cs $(CSFLAGS) -out:fixheader.exe -t:exe $(COMMON_LIBS:%=-r:%)
+
 define BUILD_ASSEMBLY
 
-$$($(1)_TARGET): $$($(1)_SRCS) Makefile $$($(1)_DEPS)
+$$($(1)_TARGET): $$($(1)_SRCS) Makefile $$($(1)_DEPS) fixheader
 	@echo CSC $$(@)
 	@$(CSC) $$($(1)_LIBS:%=-r:%) \
 		-out:$$(@) $(CSFLAGS) $$($(1)_FLAGS) \
@@ -165,6 +168,7 @@ $$($(1)_TARGET): $$($(1)_SRCS) Makefile $$($(1)_DEPS)
 		-t:"$$($(1)_KIND)" \
 		$$($(1)_EXTRA) \
 		$$($(1)_SRCS)
+	@mono fixheader.exe $$(@)
 endef
 
 $(foreach prog,$(PROGRAMS),$(eval $(call BUILD_ASSEMBLY,$(prog))))
diff --git a/packaging/fixheader.cs b/packaging/fixheader.cs
new file mode 100644
index 0000000000..1ff345ca6c
--- /dev/null
+++ b/packaging/fixheader.cs
@@ -0,0 +1,42 @@
+using System;
+using System.IO;
+
+namespace fixheader
+{
+	class fixheader
+	{
+		static byte[] data;
+		static int peOffset;
+
+		static void Main(string[] args)
+		{
+			data = File.ReadAllBytes(args[0]);
+			peOffset = BitConverter.ToInt32(data, 0x3c);
+			var corHeaderRva = BitConverter.ToInt32(data, peOffset + 20 + 100 + 14 * 8);
+			var corHeaderOffset = RvaToOffset(corHeaderRva);
+			
+			data[corHeaderOffset + 16] |= 2;
+
+			File.WriteAllBytes(args[0], data);
+		}
+
+		static int RvaToOffset(int va)
+		{
+			var numSections = BitConverter.ToInt16(data, peOffset + 6);
+			var numDataDirectories = BitConverter.ToInt32(data, peOffset + 24 + 92);
+			var sectionTableStart = peOffset + 24 + 96 + 8 * numDataDirectories;
+			
+			for (var i = 0; i < numSections; i++)
+			{
+				var virtualSize = BitConverter.ToInt32(data, sectionTableStart + 40 * i + 8);
+				var virtualAddr = BitConverter.ToInt32(data, sectionTableStart + 40 * i + 12);
+				var fileOffset = BitConverter.ToInt32(data, sectionTableStart + 40 * i + 20);
+
+				if (va >= virtualAddr && va < virtualAddr + virtualSize)
+					return va - virtualAddr + fileOffset;
+			}
+
+			return 0;
+		}
+	}
+}