diff --git a/rust/clippy_test.go b/rust/clippy_test.go
index af5cd17..3144173 100644
--- a/rust/clippy_test.go
+++ b/rust/clippy_test.go
@@ -32,14 +32,14 @@
 			clippy: false,
 		}`)
 
-	ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_shared").Output("libfoo.so")
-	fooClippy := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_shared").MaybeRule("clippy")
+	ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_dylib").Output("libfoo.dylib.so")
+	fooClippy := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_dylib").MaybeRule("clippy")
 	if fooClippy.Rule.String() != "android/soong/rust.clippy" {
 		t.Errorf("Clippy output (default) for libfoo was not generated: %+v", fooClippy)
 	}
 
-	ctx.ModuleForTests("libfoobar", "android_arm64_armv8-a_shared").Output("libfoobar.so")
-	foobarClippy := ctx.ModuleForTests("libfoobar", "android_arm64_armv8-a_shared").MaybeRule("clippy")
+	ctx.ModuleForTests("libfoobar", "android_arm64_armv8-a_dylib").Output("libfoobar.dylib.so")
+	foobarClippy := ctx.ModuleForTests("libfoobar", "android_arm64_armv8-a_dylib").MaybeRule("clippy")
 	if foobarClippy.Rule != nil {
 		t.Errorf("Clippy output for libfoobar is not empty")
 	}
diff --git a/rust/config/allowed_list.go b/rust/config/allowed_list.go
index a339050..0204cd2 100644
--- a/rust/config/allowed_list.go
+++ b/rust/config/allowed_list.go
@@ -15,13 +15,15 @@
 		"rust_library",
 		"rust_library_dylib",
 		"rust_library_rlib",
-		"rust_library_shared",
-		"rust_library_static",
+		"rust_ffi",
+		"rust_ffi_shared",
+		"rust_ffi_static",
 		"rust_library_host",
 		"rust_library_host_dylib",
 		"rust_library_host_rlib",
-		"rust_library_host_shared",
-		"rust_library_host_static",
+		"rust_ffi_host",
+		"rust_ffi_host_shared",
+		"rust_ffi_host_static",
 		"rust_proc_macro",
 		"rust_test",
 		"rust_test_host",
diff --git a/rust/coverage_test.go b/rust/coverage_test.go
index 27acad3..357c2e8 100644
--- a/rust/coverage_test.go
+++ b/rust/coverage_test.go
@@ -105,6 +105,12 @@
 			rlibs: ["librlib"],
 			crate_name: "foo",
 		}
+                rust_ffi_static {
+                        name: "libbaz",
+                        srcs: ["foo.rs"],
+                        rlibs: ["librlib"],
+                        crate_name: "baz",
+                }
 		rust_library_rlib {
 			name: "librlib",
 			srcs: ["foo.rs"],
@@ -113,17 +119,17 @@
 		rust_binary {
 			name: "fizz",
 			rlibs: ["librlib"],
-			static_libs: ["libfoo"],
+			static_libs: ["libbaz"],
 			srcs: ["foo.rs"],
 		}
 		cc_binary {
 			name: "buzz",
-			static_libs: ["libfoo"],
+			static_libs: ["libbaz"],
 			srcs: ["foo.c"],
 		}
 		cc_library {
 			name: "libbar",
-			static_libs: ["libfoo"],
+			static_libs: ["libbaz"],
 			compile_multilib: "64",
 			srcs: ["foo.c"],
 		}`)
@@ -149,7 +155,7 @@
 
 	// Make sure the expected inputs are provided to the zip rule.
 	if !android.SuffixInList(fizzZipInputs, "android_arm64_armv8-a_rlib_cov/librlib.gcno") ||
-		!android.SuffixInList(fizzZipInputs, "android_arm64_armv8-a_static_cov/libfoo.gcno") ||
+		!android.SuffixInList(fizzZipInputs, "android_arm64_armv8-a_static_cov/libbaz.gcno") ||
 		!android.SuffixInList(fizzZipInputs, "android_arm64_armv8-a_cov/fizz.gcno") {
 		t.Fatalf("missing expected coverage files for rust 'fizz' binary: %#v", fizzZipInputs)
 	}
@@ -158,11 +164,11 @@
 		t.Fatalf("missing expected coverage files for rust 'fizz' binary: %#v", libfooZipInputs)
 	}
 	if !android.SuffixInList(buzzZipInputs, "android_arm64_armv8-a_cov/obj/foo.gcno") ||
-		!android.SuffixInList(buzzZipInputs, "android_arm64_armv8-a_static_cov/libfoo.gcno") {
+		!android.SuffixInList(buzzZipInputs, "android_arm64_armv8-a_static_cov/libbaz.gcno") {
 		t.Fatalf("missing expected coverage files for cc 'buzz' binary: %#v", buzzZipInputs)
 	}
 	if !android.SuffixInList(libbarZipInputs, "android_arm64_armv8-a_static_cov/obj/foo.gcno") ||
-		!android.SuffixInList(libbarZipInputs, "android_arm64_armv8-a_static_cov/libfoo.gcno") {
+		!android.SuffixInList(libbarZipInputs, "android_arm64_armv8-a_static_cov/libbaz.gcno") {
 		t.Fatalf("missing expected coverage files for cc 'libbar' library: %#v", libbarZipInputs)
 	}
 }
diff --git a/rust/library.go b/rust/library.go
index f070c34..a53df85 100644
--- a/rust/library.go
+++ b/rust/library.go
@@ -29,10 +29,12 @@
 	android.RegisterModuleType("rust_library_host", RustLibraryHostFactory)
 	android.RegisterModuleType("rust_library_host_dylib", RustLibraryDylibHostFactory)
 	android.RegisterModuleType("rust_library_host_rlib", RustLibraryRlibHostFactory)
-	android.RegisterModuleType("rust_library_shared", RustLibrarySharedFactory)
-	android.RegisterModuleType("rust_library_static", RustLibraryStaticFactory)
-	android.RegisterModuleType("rust_library_host_shared", RustLibrarySharedHostFactory)
-	android.RegisterModuleType("rust_library_host_static", RustLibraryStaticHostFactory)
+	android.RegisterModuleType("rust_ffi", RustFFIFactory)
+	android.RegisterModuleType("rust_ffi_shared", RustFFISharedFactory)
+	android.RegisterModuleType("rust_ffi_static", RustFFIStaticFactory)
+	android.RegisterModuleType("rust_ffi_host", RustFFIHostFactory)
+	android.RegisterModuleType("rust_ffi_host_shared", RustFFISharedHostFactory)
+	android.RegisterModuleType("rust_ffi_host_static", RustFFIStaticHostFactory)
 }
 
 type VariantLibraryProperties struct {
@@ -96,6 +98,8 @@
 	setStatic()
 
 	// Build a specific library variant
+	BuildOnlyFFI()
+	BuildOnlyRust()
 	BuildOnlyRlib()
 	BuildOnlyDylib()
 	BuildOnlyStatic()
@@ -185,9 +189,17 @@
 var _ compiler = (*libraryDecorator)(nil)
 var _ libraryInterface = (*libraryDecorator)(nil)
 
-// rust_library produces all variants.
+// rust_library produces all rust variants.
 func RustLibraryFactory() android.Module {
-	module, _ := NewRustLibrary(android.HostAndDeviceSupported)
+	module, library := NewRustLibrary(android.HostAndDeviceSupported)
+	library.BuildOnlyRust()
+	return module.Init()
+}
+
+// rust_ffi produces all ffi variants.
+func RustFFIFactory() android.Module {
+	module, library := NewRustLibrary(android.HostAndDeviceSupported)
+	library.BuildOnlyFFI()
 	return module.Init()
 }
 
@@ -205,23 +217,31 @@
 	return module.Init()
 }
 
-// rust_library_shared produces a shared library.
-func RustLibrarySharedFactory() android.Module {
+// rust_ffi_shared produces a shared library.
+func RustFFISharedFactory() android.Module {
 	module, library := NewRustLibrary(android.HostAndDeviceSupported)
 	library.BuildOnlyShared()
 	return module.Init()
 }
 
-// rust_library_static produces a static library.
-func RustLibraryStaticFactory() android.Module {
+// rust_ffi_static produces a static library.
+func RustFFIStaticFactory() android.Module {
 	module, library := NewRustLibrary(android.HostAndDeviceSupported)
 	library.BuildOnlyStatic()
 	return module.Init()
 }
 
-// rust_library_host produces all variants.
+// rust_library_host produces all rust variants.
 func RustLibraryHostFactory() android.Module {
-	module, _ := NewRustLibrary(android.HostSupported)
+	module, library := NewRustLibrary(android.HostSupported)
+	library.BuildOnlyRust()
+	return module.Init()
+}
+
+// rust_ffi_host produces all FFI variants.
+func RustFFIHostFactory() android.Module {
+	module, library := NewRustLibrary(android.HostSupported)
+	library.BuildOnlyFFI()
 	return module.Init()
 }
 
@@ -239,44 +259,60 @@
 	return module.Init()
 }
 
-// rust_library_static_host produces a static library.
-func RustLibraryStaticHostFactory() android.Module {
+// rust_ffi_static_host produces a static library.
+func RustFFIStaticHostFactory() android.Module {
 	module, library := NewRustLibrary(android.HostSupported)
 	library.BuildOnlyStatic()
 	return module.Init()
 }
 
-// rust_library_shared_host produces an shared library.
-func RustLibrarySharedHostFactory() android.Module {
+// rust_ffi_shared_host produces an shared library.
+func RustFFISharedHostFactory() android.Module {
 	module, library := NewRustLibrary(android.HostSupported)
 	library.BuildOnlyShared()
 	return module.Init()
 }
 
+func (library *libraryDecorator) BuildOnlyFFI() {
+	library.MutatedProperties.BuildDylib = false
+	library.MutatedProperties.BuildRlib = false
+	library.MutatedProperties.BuildShared = true
+	library.MutatedProperties.BuildStatic = true
+}
+
+func (library *libraryDecorator) BuildOnlyRust() {
+	library.MutatedProperties.BuildDylib = true
+	library.MutatedProperties.BuildRlib = true
+	library.MutatedProperties.BuildShared = false
+	library.MutatedProperties.BuildStatic = false
+}
+
 func (library *libraryDecorator) BuildOnlyDylib() {
+	library.MutatedProperties.BuildDylib = true
 	library.MutatedProperties.BuildRlib = false
 	library.MutatedProperties.BuildShared = false
 	library.MutatedProperties.BuildStatic = false
-
 }
 
 func (library *libraryDecorator) BuildOnlyRlib() {
 	library.MutatedProperties.BuildDylib = false
+	library.MutatedProperties.BuildRlib = true
 	library.MutatedProperties.BuildShared = false
 	library.MutatedProperties.BuildStatic = false
 }
 
 func (library *libraryDecorator) BuildOnlyStatic() {
-	library.MutatedProperties.BuildShared = false
 	library.MutatedProperties.BuildRlib = false
 	library.MutatedProperties.BuildDylib = false
-
+	library.MutatedProperties.BuildShared = false
+	library.MutatedProperties.BuildStatic = true
 }
 
 func (library *libraryDecorator) BuildOnlyShared() {
-	library.MutatedProperties.BuildStatic = false
 	library.MutatedProperties.BuildRlib = false
 	library.MutatedProperties.BuildDylib = false
+	library.MutatedProperties.BuildStatic = false
+	library.MutatedProperties.BuildShared = true
 }
 
 func NewRustLibrary(hod android.HostOrDeviceSupported) (*Module, *libraryDecorator) {
@@ -284,10 +320,10 @@
 
 	library := &libraryDecorator{
 		MutatedProperties: LibraryMutatedProperties{
-			BuildDylib:  true,
-			BuildRlib:   true,
-			BuildShared: true,
-			BuildStatic: true,
+			BuildDylib:  false,
+			BuildRlib:   false,
+			BuildShared: false,
+			BuildStatic: false,
 		},
 		baseCompiler: NewBaseCompiler("lib", "lib64", InstallInSystem),
 	}
diff --git a/rust/library_test.go b/rust/library_test.go
index 9d2f6c0..bc3d870 100644
--- a/rust/library_test.go
+++ b/rust/library_test.go
@@ -29,13 +29,18 @@
 			name: "libfoo",
 			srcs: ["foo.rs"],
 			crate_name: "foo",
-		}`)
+		}
+                rust_ffi_host {
+                        name: "libfoo.ffi",
+                        srcs: ["foo.rs"],
+                        crate_name: "foo"
+                }`)
 
 	// Test all variants are being built.
 	libfooRlib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_rlib").Output("libfoo.rlib")
 	libfooDylib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_dylib").Output("libfoo.dylib.so")
-	libfooStatic := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_static").Output("libfoo.a")
-	libfooShared := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_shared").Output("libfoo.so")
+	libfooStatic := ctx.ModuleForTests("libfoo.ffi", "linux_glibc_x86_64_static").Output("libfoo.ffi.a")
+	libfooShared := ctx.ModuleForTests("libfoo.ffi", "linux_glibc_x86_64_shared").Output("libfoo.ffi.so")
 
 	rlibCrateType := "rlib"
 	dylibCrateType := "dylib"
@@ -119,7 +124,7 @@
 
 func TestSharedLibrary(t *testing.T) {
 	ctx := testRust(t, `
-		rust_library {
+		rust_ffi_shared {
 			name: "libfoo",
 			srcs: ["foo.rs"],
 			crate_name: "foo",
diff --git a/rust/rust_test.go b/rust/rust_test.go
index 280c22a..08bc8ca 100644
--- a/rust/rust_test.go
+++ b/rust/rust_test.go
@@ -164,12 +164,12 @@
 // Test to make sure dependencies are being picked up correctly.
 func TestDepsTracking(t *testing.T) {
 	ctx := testRust(t, `
-		rust_library_host_static {
+		rust_ffi_host_static {
 			name: "libstatic",
 			srcs: ["foo.rs"],
 			crate_name: "static",
 		}
-		rust_library_host_shared {
+		rust_ffi_host_shared {
 			name: "libshared",
 			srcs: ["foo.rs"],
 			crate_name: "shared",
diff --git a/rust/testing.go b/rust/testing.go
index 4e186d3..00cd807 100644
--- a/rust/testing.go
+++ b/rust/testing.go
@@ -83,15 +83,17 @@
 	ctx.RegisterModuleType("rust_test", RustTestFactory)
 	ctx.RegisterModuleType("rust_test_host", RustTestHostFactory)
 	ctx.RegisterModuleType("rust_library", RustLibraryFactory)
-	ctx.RegisterModuleType("rust_library_host", RustLibraryHostFactory)
-	ctx.RegisterModuleType("rust_library_host_rlib", RustLibraryRlibHostFactory)
-	ctx.RegisterModuleType("rust_library_host_dylib", RustLibraryDylibHostFactory)
-	ctx.RegisterModuleType("rust_library_rlib", RustLibraryRlibFactory)
 	ctx.RegisterModuleType("rust_library_dylib", RustLibraryDylibFactory)
-	ctx.RegisterModuleType("rust_library_shared", RustLibrarySharedFactory)
-	ctx.RegisterModuleType("rust_library_static", RustLibraryStaticFactory)
-	ctx.RegisterModuleType("rust_library_host_shared", RustLibrarySharedHostFactory)
-	ctx.RegisterModuleType("rust_library_host_static", RustLibraryStaticHostFactory)
+	ctx.RegisterModuleType("rust_library_rlib", RustLibraryRlibFactory)
+	ctx.RegisterModuleType("rust_library_host", RustLibraryHostFactory)
+	ctx.RegisterModuleType("rust_library_host_dylib", RustLibraryDylibHostFactory)
+	ctx.RegisterModuleType("rust_library_host_rlib", RustLibraryRlibHostFactory)
+	ctx.RegisterModuleType("rust_ffi", RustFFIFactory)
+	ctx.RegisterModuleType("rust_ffi_shared", RustFFISharedFactory)
+	ctx.RegisterModuleType("rust_ffi_static", RustFFIStaticFactory)
+	ctx.RegisterModuleType("rust_ffi_host", RustFFIHostFactory)
+	ctx.RegisterModuleType("rust_ffi_host_shared", RustFFISharedHostFactory)
+	ctx.RegisterModuleType("rust_ffi_host_static", RustFFIStaticHostFactory)
 	ctx.RegisterModuleType("rust_proc_macro", ProcMacroFactory)
 	ctx.RegisterModuleType("rust_prebuilt_dylib", PrebuiltDylibFactory)
 	ctx.PreDepsMutators(func(ctx android.RegisterMutatorsContext) {