--- old/src/jdk.hotspot.agent/linux/native/libsaproc/libproc.h	2019-12-15 10:42:18.040929600 +0900
+++ new/src/jdk.hotspot.agent/linux/native/libsaproc/libproc.h	2019-12-15 10:42:17.367125100 +0900
@@ -54,6 +54,7 @@
 #endif
 
 struct ps_prochandle;
+struct lib_info;
 
 #ifdef __cplusplus
 extern "C" {
@@ -99,6 +100,9 @@
 // returns true if given library is found in lib list
 bool find_lib(struct ps_prochandle* ph, const char *lib_name);
 
+// returns lib which contains pc
+struct lib_info *find_lib_by_address(struct ps_prochandle* ph, uintptr_t pc);
+
 // symbol lookup
 uintptr_t lookup_symbol(struct ps_prochandle* ph,  const char* object_name,
                        const char* sym_name);