gdb/

	PR threads/13448
	* dwarf2read.c (decode_locdesc): Handle DW_OP_const8u.
	For DW_OP_GNU_push_tls_address increment the value, new comment for it.

gdb/testsuite/
	PR threads/13448
	* gdb.dwarf2/dw2-var-zero-addr.S: New file.
	* gdb.dwarf2/dw2-var-zero-addr.exp: New file.
	* gdb.threads/tls-var-main.c: New file.
	* gdb.threads/tls-var.c: New file.
	* gdb.threads/tls-var.exp: New file.

1 files changed, 29 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-var-zero-addr.exp b/gdb/testsuite/gdb.dwarf2/dw2-var-zero-addr.exp
new file mode 100644
index 0000000..d65db1e
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-var-zero-addr.exp
@@ -0,0 +1,29 @@
+# Copyright 2011 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  
+}
+
+set testfile dw2-var-zero-addr
+if [prepare_for_testing ${testfile}.exp ${testfile} [list ${testfile}.S main.c] {nodebug}] {
+    return -1
+}
+
+# FAIL was: = (int *) 0x0
+# Such DIE record can be produced using: gcc -fdata-sections -Wl,-gc-sections
+gdb_test "print &var" {No symbol "var" in current context\.}