* dwarf2read.c (mark_common_block_symbol_computed): New function.

	(read_common_block): Handle child DIEs with
	DW_AT_data_member_location.
	(new_symbol_full): Add special case for common blocks.
gdb/testsuite
	* gdb.dwarf2/dw2-common-block.S: New file.
	* gdb.dwarf2/dw2-common-block.exp: New file.

1 files changed, 50 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-common-block.exp b/gdb/testsuite/gdb.dwarf2/dw2-common-block.exp
new file mode 100644
index 0000000..a1914ee
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-common-block.exp
@@ -0,0 +1,50 @@
+# Copyright 2012 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+load_lib dwarf.exp
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+if ![dwarf2_support] {
+    return 0  
+}
+
+# This test can only be run on x86-64 targets.
+if {![istarget x86_64-*] || ![is_lp64_target]} {
+    return 0
+}
+
+# It requires fortran.
+if {[skip_fortran_tests]} {
+    return 0
+}
+
+standard_testfile .S
+
+if { [prepare_for_testing "${testfile}.exp" "${testfile}" $srcfile \
+	  {nodebug f90}] } {
+    return -1
+}
+
+if ![runto MAIN__] then {
+    perror "couldn't run to breakpoint MAIN__"
+    continue
+}
+
+gdb_breakpoint [gdb_get_line_number "stop-here-out" \
+		    ../gdb.fortran/common-block.f90]
+gdb_continue_to_breakpoint "stop-here-out"
+
+gdb_test "p ix" " = 1" "p ix out"
+gdb_test "p iy" " = 2" "p iy out"