diff --git a/src/startup/mldr/include/arm/arch.h b/src/startup/mldr/include/arm/arch.h
new file mode 120000
index 000000000..2b1aa16ad
--- /dev/null
+++ b/src/startup/mldr/include/arm/arch.h
@@ -0,0 +1 @@
+../../../../../Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/arm/arch.h
\ No newline at end of file
diff --git a/src/startup/mldr/include/arm/cpu_capabilities.h b/src/startup/mldr/include/arm/cpu_capabilities.h
new file mode 120000
index 000000000..c7a93e982
--- /dev/null
+++ b/src/startup/mldr/include/arm/cpu_capabilities.h
@@ -0,0 +1 @@
+../../../../../Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/arm/cpu_capabilities.h
\ No newline at end of file
diff --git a/src/startup/mldr/include/libkern/arm/OSByteOrder.h b/src/startup/mldr/include/libkern/arm/OSByteOrder.h
new file mode 120000
index 000000000..e29dac0b4
--- /dev/null
+++ b/src/startup/mldr/include/libkern/arm/OSByteOrder.h
@@ -0,0 +1 @@
+../../../../../../Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/libkern/arm/OSByteOrder.h
\ No newline at end of file
diff --git a/src/startup/mldr/include/mach/arm/boolean.h b/src/startup/mldr/include/mach/arm/boolean.h
new file mode 120000
index 000000000..8a09caae6
--- /dev/null
+++ b/src/startup/mldr/include/mach/arm/boolean.h
@@ -0,0 +1 @@
+../../../../../../Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/mach/arm/boolean.h
\ No newline at end of file
diff --git a/src/startup/mldr/include/mach/port.h b/src/startup/mldr/include/mach/port.h
new file mode 120000
index 000000000..2e63e0ebc
--- /dev/null
+++ b/src/startup/mldr/include/mach/port.h
@@ -0,0 +1 @@
+../../../../../Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/mach/port.h
\ No newline at end of file
diff --git a/src/startup/mldr/include/mach/vm_types.h b/src/startup/mldr/include/mach/vm_types.h
new file mode 120000
index 000000000..d0159d672
--- /dev/null
+++ b/src/startup/mldr/include/mach/vm_types.h
@@ -0,0 +1 @@
+../../../../../Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/mach/vm_types.h
\ No newline at end of file
diff --git a/src/startup/mldr/include/machine/cpu_capabilities.h b/src/startup/mldr/include/machine/cpu_capabilities.h
new file mode 120000
index 000000000..9e53763bb
--- /dev/null
+++ b/src/startup/mldr/include/machine/cpu_capabilities.h
@@ -0,0 +1 @@
+../../../../../Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/machine/cpu_capabilities.h
\ No newline at end of file
diff --git a/src/startup/mldr/include/sys/_types.h b/src/startup/mldr/include/sys/_types.h
index eb510ccf1..ecc6e2a9f 100644
--- a/src/startup/mldr/include/sys/_types.h
+++ b/src/startup/mldr/include/sys/_types.h
@@ -1,6 +1,7 @@
 #ifndef _MLDR_SYS__TYPES_SHIM_H_
 #define _MLDR_SYS__TYPES_SHIM_H_
 
-
+typedef __darwin_natural_t __darwin_mach_port_name_t;
+typedef __darwin_mach_port_name_t __darwin_mach_port_t;
 
 #endif // _MLDR_SYS__TYPES_SHIM_H_
diff --git a/src/startup/mldr/include/sys/_types/_mach_port_t.h b/src/startup/mldr/include/sys/_types/_mach_port_t.h
new file mode 120000
index 000000000..7f385bf4b
--- /dev/null
+++ b/src/startup/mldr/include/sys/_types/_mach_port_t.h
@@ -0,0 +1 @@
+../../../../../../Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/sys/_types/_mach_port_t.h
\ No newline at end of file