diff --git a/sdks/builds/ios.mk b/sdks/builds/ios.mk
index 2928935767f8..6505df0f8d56 100644
--- a/sdks/builds/ios.mk
+++ b/sdks/builds/ios.mk
@@ -275,6 +275,8 @@ clean-ios-llvm:
 #  $(1): target (cross32 or cross64)
 #  $(2): arch (arm or aarch64)
 #  $(3): llvm (llvm32 or llvm64)
+#  $(4): configure target arch
+#  $(5): offsets tool --abi argument
 #
 # Flags:
 #  ios_$(1)_AC_VARS
@@ -284,6 +286,8 @@ clean-ios-llvm:
 #  ios_$(1)_CONFIGURE_FLAGS
 define iOSCrossTemplate
 
+_ios_$(1)_OFFSET_TOOL_ABI=$(5)
+
 _ios_$(1)_CC=$$(CCACHE) $$(PLATFORM_BIN)/clang
 _ios_$(1)_CXX=$$(CCACHE) $$(PLATFORM_BIN)/clang++
 
@@ -310,7 +314,7 @@ _ios_$(1)_LDFLAGS= \
 
 _ios_$(1)_CONFIGURE_FLAGS= \
 	$$(ios_$(1)_CONFIGURE_FLAGS) \
-	--target=$(2)-darwin \
+	--target=$(4) \
 	--cache-file=$$(TOP)/sdks/builds/ios-$(1).config.cache \
 	--prefix=$$(TOP)/sdks/out/ios-$(1) \
 	--disable-boehm \
@@ -322,7 +326,7 @@ _ios_$(1)_CONFIGURE_FLAGS= \
 	--enable-dtrace=yes \
 	--enable-icall-symbol-map \
 	--enable-minimal=com,remoting \
-	--with-cross-offsets=$(2)-apple-darwin10.h \
+	--with-cross-offsets=$(4).h \
 	--with-llvm=$$(TOP)/sdks/out/ios-$(3)
 
 _ios_$(1)_CONFIGURE_ENVIRONMENT= \
@@ -343,13 +347,13 @@ _ios_$(1)_CONFIGURE_ENVIRONMENT= \
 $$(TOP)/sdks/builds/ios-$(1)/mono/utils/mono-dtrace.h: .stamp-ios-$(1)-configure
 	$$(MAKE) -C $$(dir $$@) $$(notdir $$@)
 
-$$(TOP)/sdks/builds/ios-$(1)/$(2)-apple-darwin10.h: .stamp-ios-$(1)-configure $$(TOP)/sdks/builds/ios-$(1)/mono/utils/mono-dtrace.h $$(TOP)/tools/offsets-tool/MonoAotOffsetsDumper.exe
+$$(TOP)/sdks/builds/ios-$(1)/$(4).h: .stamp-ios-$(1)-configure $$(TOP)/sdks/builds/ios-$(1)/mono/utils/mono-dtrace.h $$(TOP)/tools/offsets-tool/MonoAotOffsetsDumper.exe
 	cd $$(TOP)/sdks/builds/ios-$(1) && \
 		MONO_PATH=$(TOP)/tools/offsets-tool/CppSharp/osx_32 \
 			mono --arch=32 --debug $$(TOP)/tools/offsets-tool/MonoAotOffsetsDumper.exe \
-				--gen-ios --abi $(2)-apple-darwin10 --out $$(TOP)/sdks/builds/ios-$(1)/ --mono $$(TOP) --targetdir $$(TOP)/sdks/builds/ios-$(1)
+				--gen-ios --abi $$(_ios_$(1)_OFFSET_TOOL_ABI) --outfile $$@ --mono $$(TOP) --targetdir $$(TOP)/sdks/builds/ios-$(1)
 
-build-ios-$(1): $$(TOP)/sdks/builds/ios-$(1)/$(2)-apple-darwin10.h
+build-ios-$(1): $$(TOP)/sdks/builds/ios-$(1)/$(4).h
 
 .PHONY: package-ios-$(1)
 package-ios-$(1):
@@ -364,7 +368,8 @@ TARGETS += ios-$(1)
 endef
 
 ios_cross32_CONFIGURE_FLAGS=--build=i386-apple-darwin10
-$(eval $(call iOSCrossTemplate,cross32,arm,llvm32))
-$(eval $(call iOSCrossTemplate,cross64,aarch64,llvm64))
-
+ios_crosswatch_CONFIGURE_FLAGS=--build=i386-apple-darwin10 	--with-cooperative-gc=yes
+$(eval $(call iOSCrossTemplate,cross32,arm,llvm32,arm-darwin,arm-apple-darwin10))
+$(eval $(call iOSCrossTemplate,cross64,aarch64,llvm64,aarch64-darwin,aarch64-apple-darwin10))
+$(eval $(call iOSCrossTemplate,crosswatch,armv7k,llvm32,armv7k-unknown-darwin,armv7k-apple-darwin))
 
diff --git a/tools/offsets-tool/MonoAotOffsetsDumper.cs b/tools/offsets-tool/MonoAotOffsetsDumper.cs
index 20c90f557fda..2a8a932943bd 100644
--- a/tools/offsets-tool/MonoAotOffsetsDumper.cs
+++ b/tools/offsets-tool/MonoAotOffsetsDumper.cs
@@ -23,6 +23,7 @@ static class MonoAotOffsetsDumper
 
         static List<string> Abis = new List<string> ();
         static string OutputDir;
+        static string OutputFile;
 
         static string MonodroidDir = @"";
         static string AndroidNdkPath = @"";
@@ -271,6 +272,7 @@ static void ParseCommandLineArgs(string[] args)
             var options = new Mono.Options.OptionSet () {
                 { "abi=", "ABI triple to generate", v => Abis.Add(v) },
                 { "o|out=", "output directory", v => OutputDir = v },
+                { "outfile=", "output directory", v => OutputFile = v },
                 { "maccore=", "include directory", v => MaccoreDir = v },
                 { "monodroid=", "top monodroid directory", v => MonodroidDir = v },
                 { "android-ndk=", "Path to Android NDK", v => AndroidNdkPath = v },
@@ -650,12 +652,18 @@ static string GetTargetPlatformDefine(TargetPlatform target)
 
         static void Dump(ASTContext ctx, ParserTargetInfo targetInfo, Target target)
         {
-            var targetFile = target.Triple;
+			string targetFile;
 
-            if (!string.IsNullOrEmpty (OutputDir))
-                targetFile = Path.Combine (OutputDir, targetFile);
+			if (!string.IsNullOrEmpty (OutputFile)) {
+				targetFile = OutputFile;
+			} else {
+				targetFile = target.Triple;
 
-            targetFile += ".h";
+				if (!string.IsNullOrEmpty (OutputDir))
+					targetFile = Path.Combine (OutputDir, targetFile);
+
+				targetFile += ".h";
+			}
 
             using (var writer = new StreamWriter(targetFile))
             //using (var writer = Console.Out)