binutils/

* objcopy.c (localize_hidden): New variable.
	(OPTION_LOCALIZE_HIDDEN): New command_line_switch value.
	(copy_options): Add --localize-hidden.
	(copy_usage): Mention --localize-hidden.
	(is_hidden_symbol): New function.
	(filter_symbols): Handle localize_hidden.
	(copy_object): Call filter_symbols if localize_hidden.
	(copy_main): Handle OPTION_LOCALIZE_HIDDEN.
	* doc/binutils.texi (--localize-hidden): Document new option.

binutils/testsuite/
	* binutils-all/localize-hidden-1.s,
	* binutils-all/localize-hidden-1.d,
	* binutils-all/localize-hidden-2.s,
	* binutils-all/localize-hidden-2.d: New tests.
	* binutils-all/objcopy.exp: Run them.

binutils/testsuite/binutils-all/localize-hidden-1.d

@@ -0,0 +1,17 @@
+#PROG: objcopy
+#readelf: --symbols
+#objcopy: --localize-hidden
+#name: --localize-hidden test 1
+#...
+.*: 0+1200 +0 +NOTYPE +LOCAL +HIDDEN +ABS +Lhidden
+.*: 0+1300 +0 +NOTYPE +LOCAL +INTERNAL +ABS +Linternal
+.*: 0+1400 +0 +NOTYPE +LOCAL +PROTECTED +ABS +Lprotected
+.*: 0+1100 +0 +NOTYPE +LOCAL +DEFAULT +ABS +Ldefault
+.*: 0+2200 +0 +NOTYPE +LOCAL +HIDDEN +ABS +Ghidden
+.*: 0+2300 +0 +NOTYPE +LOCAL +INTERNAL +ABS +Ginternal
+.*: 0+3200 +0 +NOTYPE +LOCAL +HIDDEN +ABS +Whidden
+.*: 0+3300 +0 +NOTYPE +LOCAL +INTERNAL +ABS +Winternal
+.*: 0+2100 +0 +NOTYPE +GLOBAL +DEFAULT +ABS +Gdefault
+.*: 0+2400 +0 +NOTYPE +GLOBAL +PROTECTED +ABS +Gprotected
+.*: 0+3100 +0 +NOTYPE +WEAK +DEFAULT +ABS +Wdefault
+.*: 0+3400 +0 +NOTYPE +WEAK +PROTECTED +ABS +Wprotected

binutils/testsuite/binutils-all/localize-hidden-1.s

@@ -0,0 +1,36 @@
+	.globl		Gdefault
+	.globl		Ghidden
+	.globl		Ginternal
+	.globl		Gprotected
+
+	.weak		Wdefault
+	.weak		Whidden
+	.weak		Winternal
+	.weak		Wprotected
+
+	.hidden		Lhidden
+	.hidden		Ghidden
+	.hidden		Whidden
+
+	.internal	Linternal
+	.internal	Ginternal
+	.internal	Winternal
+
+	.protected	Lprotected
+	.protected	Gprotected
+	.protected	Wprotected
+
+	.equ		Ldefault, 0x1100
+	.equ		Lhidden, 0x1200
+	.equ		Linternal, 0x1300
+	.equ		Lprotected, 0x1400
+
+	.equ		Gdefault, 0x2100
+	.equ		Ghidden, 0x2200
+	.equ		Ginternal, 0x2300
+	.equ		Gprotected, 0x2400
+
+	.equ		Wdefault, 0x3100
+	.equ		Whidden, 0x3200
+	.equ		Winternal, 0x3300
+	.equ		Wprotected, 0x3400

binutils/testsuite/binutils-all/localize-hidden-2.d

@@ -0,0 +1,7 @@
+#PROG: objcopy
+#nm: -n
+#objcopy: --localize-hidden
+#name: --localize-hidden test 2
+#...
+0+100 A G
+#pass

binutils/testsuite/binutils-all/localize-hidden-2.s

@@ -0,0 +1,2 @@
+	.globl	G
+	.equ	G,0x100

binutils/testsuite/binutils-all/objcopy.exp

@@ -728,3 +728,8 @@ if [is_elf_format] {
 
 run_dump_test "copy-2"
 run_dump_test "copy-3"
+
+if [is_elf_format] {
+    run_dump_test "localize-hidden-1"
+}
+run_dump_test "localize-hidden-2"