diff --git a/cc/cc.go b/cc/cc.go
index 2fa4b3b..2ff8bce 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -136,6 +136,12 @@
 	ExcludeLibsForApex []string
 	// List of libs that need to be excluded for non-APEX variant
 	ExcludeLibsForNonApex []string
+
+	// LLNDK headers for the ABI checker to check LLNDK implementation library.
+	// An LLNDK implementation is the core variant. LLNDK header libs are reexported by the vendor variant.
+	// The core variant cannot depend on the vendor variant because of the order of CreateVariations.
+	// Instead, the LLNDK implementation depends on the LLNDK header libs.
+	LlndkHeaderLibs []string
 }
 
 // PathDeps is a struct containing file paths to dependencies of a module.
@@ -191,6 +197,10 @@
 
 	// Paths to direct srcs and transitive include dirs from direct aidl_library deps
 	AidlLibraryInfos []aidl_library.AidlLibraryInfo
+
+	// LLNDK headers for the ABI checker to check LLNDK implementation library.
+	LlndkIncludeDirs       android.Paths
+	LlndkSystemIncludeDirs android.Paths
 }
 
 // LocalOrGlobalFlags contains flags that need to have values set globally by the build system or locally by the module
@@ -789,6 +799,7 @@
 	JniFuzzLibTag         = dependencyTag{name: "jni_fuzz_lib_tag"}
 	FdoProfileTag         = dependencyTag{name: "fdo_profile"}
 	aidlLibraryTag        = dependencyTag{name: "aidl_library"}
+	llndkHeaderLibTag     = dependencyTag{name: "llndk_header_lib"}
 )
 
 func IsSharedDepTag(depTag blueprint.DependencyTag) bool {
@@ -2278,6 +2289,7 @@
 	deps.LateSharedLibs = android.LastUniqueStrings(deps.LateSharedLibs)
 	deps.HeaderLibs = android.LastUniqueStrings(deps.HeaderLibs)
 	deps.RuntimeLibs = android.LastUniqueStrings(deps.RuntimeLibs)
+	deps.LlndkHeaderLibs = android.LastUniqueStrings(deps.LlndkHeaderLibs)
 
 	for _, lib := range deps.ReexportSharedLibHeaders {
 		if !inList(lib, deps.SharedLibs) {
@@ -2548,6 +2560,15 @@
 		), stubImplementation, c.BaseModuleName())
 	}
 
+	// If this module is an LLNDK implementation library, let it depend on LlndkHeaderLibs.
+	if c.ImageVariation().Variation == android.CoreVariation && c.Device() &&
+		c.Target().NativeBridge == android.NativeBridgeDisabled {
+		actx.AddVariationDependencies(
+			[]blueprint.Variation{{Mutator: "image", Variation: VendorVariation}},
+			llndkHeaderLibTag,
+			deps.LlndkHeaderLibs...)
+	}
+
 	for _, lib := range deps.WholeStaticLibs {
 		depTag := libraryDependencyTag{Kind: staticLibraryDependency, wholeStatic: true, reexportFlags: true}
 
@@ -3104,6 +3125,12 @@
 			return
 		}
 
+		if depTag == llndkHeaderLibTag {
+			depExporterInfo, _ := android.OtherModuleProvider(ctx, dep, FlagExporterInfoProvider)
+			depPaths.LlndkIncludeDirs = append(depPaths.LlndkIncludeDirs, depExporterInfo.IncludeDirs...)
+			depPaths.LlndkSystemIncludeDirs = append(depPaths.LlndkSystemIncludeDirs, depExporterInfo.SystemIncludeDirs...)
+		}
+
 		linkFile := ccDep.OutputFile()
 
 		if libDepTag, ok := depTag.(libraryDependencyTag); ok {
diff --git a/cc/library.go b/cc/library.go
index 3887c7a..9119821 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -859,6 +859,8 @@
 
 		deps.ReexportSharedLibHeaders = append(deps.ReexportSharedLibHeaders, library.SharedProperties.Shared.Export_shared_lib_headers...)
 		deps.ReexportStaticLibHeaders = append(deps.ReexportStaticLibHeaders, library.SharedProperties.Shared.Export_static_lib_headers...)
+
+		deps.LlndkHeaderLibs = append(deps.LlndkHeaderLibs, library.Properties.Llndk.Export_llndk_headers...)
 	}
 	if ctx.inVendor() {
 		deps.WholeStaticLibs = removeListFromList(deps.WholeStaticLibs, library.baseLinker.Properties.Target.Vendor.Exclude_static_libs)