PR binutils/12753

	* nm.c (filter_symbols): Treat unique symbols as global symbols.
	* doc/binutils.texi (nm): Mention that some lowercase letters
	actually indicate global symbols.

	* lib/utils-lib.exp (run_dump_test): Allow nm as a program.
	* binutils-all/nm.exp: Test running "nm -g" on an object file
	containing a unique symbol.

1 files changed, 35 insertions, 0 deletions

diff --git a/binutils/testsuite/binutils-all/nm.exp b/binutils/testsuite/binutils-all/nm.exp
index 67d0cbd..685794d 100644
--- a/binutils/testsuite/binutils-all/nm.exp
+++ b/binutils/testsuite/binutils-all/nm.exp
@@ -98,6 +98,41 @@ if {![info exists vars(text_symbol)] \
     pass "nm -g"
 }
 
+if [is_elf_format] {
+    # PR binutils/12753
+    # Test nm -g on a unique global symbol.
+
+    # Only some targets support unique symbols.
+    if {([istarget "i?86-*-*"]
+	 || [istarget "x86_64-*-*"]
+	 || [istarget "arm-*-*"]
+	 || [istarget "powerpc*-*-*"]
+	 || [istarget "sparc*-*-*"])} then {
+
+	if {![binutils_assemble $srcdir/$subdir/unique.s tmpdir/unique.o]} then {
+	    fail "nm -g on unique symbols (assembling)"
+	} else {
+	    if [is_remote host] {
+		set tmpfile [remote_download host tmpdir/unique.o]
+	    } else {
+		set tmpfile tmpdir/unique.o
+	    }
+	
+	    set got [binutils_run $NM "$NMFLAGS -g $tmpfile"]
+
+	    if [regexp "u foo" $got] then {
+		pass "nm -g on unique symbols"
+	    } else {
+		fail "nm -g on unique symbols"
+	    }
+
+	    if { $verbose < 1 } {
+		remote_file host delete "tmpdir/unique.o"
+	    }
+	}
+   }
+}
+
 # Test nm -P
 
 # This test does not work correctly on ECOFF targets, because ECOFF