Index: contrib/elftoolchain/elfcopy/elfcopy.h
===================================================================
--- contrib/elftoolchain/elfcopy/elfcopy.h
+++ contrib/elftoolchain/elfcopy/elfcopy.h
@@ -47,6 +47,7 @@
 #define SYMOP_KEEPG	0x0010U
 #define SYMOP_WEAKEN	0x0020U
 #define SYMOP_REDEF	0x0040U
+#define SYMOP_HIDE	0x0080U
 
 	unsigned int	op;
 
Index: contrib/elftoolchain/elfcopy/main.c
===================================================================
--- contrib/elftoolchain/elfcopy/main.c
+++ contrib/elftoolchain/elfcopy/main.c
@@ -54,6 +54,8 @@
 	ECP_GAP_FILL,
 	ECP_GLOBALIZE_SYMBOL,
 	ECP_GLOBALIZE_SYMBOLS,
+	ECP_HIDE_SYMBOL,
+	ECP_HIDE_SYMBOLS,
 	ECP_KEEP_SYMBOLS,
 	ECP_KEEP_GLOBAL_SYMBOLS,
 	ECP_LOCALIZE_HIDDEN,
@@ -131,6 +133,8 @@
 	{"globalize-symbol", required_argument, NULL, ECP_GLOBALIZE_SYMBOL},
 	{"globalize-symbols", required_argument, NULL, ECP_GLOBALIZE_SYMBOLS},
 	{"help", no_argument, NULL, 'h'},
+	{"hide-symbol", required_argument, NULL, ECP_HIDE_SYMBOL},
+	{"hide-symbols", required_argument, NULL, ECP_HIDE_SYMBOLS},
 	{"input-target", required_argument, NULL, 'I'},
 	{"keep-symbol", required_argument, NULL, 'K'},
 	{"keep-symbols", required_argument, NULL, ECP_KEEP_SYMBOLS},
@@ -909,6 +913,12 @@
 		case ECP_GLOBALIZE_SYMBOLS:
 			parse_symlist_file(ecp, optarg, SYMOP_GLOBALIZE);
 			break;
+		case ECP_HIDE_SYMBOL:
+			add_to_symop_list(ecp, optarg, NULL, SYMOP_HIDE);
+			break;
+		case ECP_HIDE_SYMBOLS:
+			parse_symlist_file(ecp, optarg, SYMOP_HIDE);
+			break;
 		case ECP_KEEP_SYMBOLS:
 			parse_symlist_file(ecp, optarg, SYMOP_KEEP);
 			break;
Index: contrib/elftoolchain/elfcopy/symbols.c
===================================================================
--- contrib/elftoolchain/elfcopy/symbols.c
+++ contrib/elftoolchain/elfcopy/symbols.c
@@ -552,6 +552,9 @@
 				    GELF_ST_TYPE(sym.st_info));
 			/* XXX We should globalize weak symbol? */
 		}
+		if (!is_hidden_symbol(sym.st_other) &&
+		    lookup_symop_list(ecp, name, SYMOP_HIDE) != NULL)
+			sym.st_other = STV_HIDDEN;
 
 		/* Check if we need to rename this symbol. */
 		if ((sp = lookup_symop_list(ecp, name, SYMOP_REDEF)) != NULL)