gdb/

	PR fortran/9806
	* dwarf2read.c (process_die <DW_TAG_module>, read_module)
	(scan_partial_symbols <DW_TAG_module>, add_partial_module): New.

gdb/testsuite/
	PR fortran/9806
	* gdb.fortran/module.exp, gdb.fortran/module.f90: New.

5 files changed, 111 insertions, 1 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 00eee92..4ebcfc5 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,7 +1,13 @@
+2009-02-12  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	PR fortran/9806
+	* dwarf2read.c (process_die <DW_TAG_module>, read_module)
+	(scan_partial_symbols <DW_TAG_module>, add_partial_module): New.
+
 2009-02-11  Pierre Muller  <muller@ics.u-strasbg.fr>
 
 	* dwarf2read.c (read_base_type): Set code to TYPE_CODE_CHAR
-	for DW_ATE_signed_char and DW_ATE_unisgned_char
+	for DW_ATE_signed_char and DW_ATE_unsigned_char
 	for pascal language.
 
 2009-02-11  Jim Meyering  <meyering@redhat.com>
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 988c4e5..55868da 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -774,6 +774,10 @@ static void add_partial_namespace (struct partial_die_info *pdi,
 				   CORE_ADDR *lowpc, CORE_ADDR *highpc,
 				   int need_pc, struct dwarf2_cu *cu);
 
+static void add_partial_module (struct partial_die_info *pdi, CORE_ADDR *lowpc,
+				CORE_ADDR *highpc, int need_pc,
+				struct dwarf2_cu *cu);
+
 static void add_partial_enumeration (struct partial_die_info *enum_pdi,
 				     struct dwarf2_cu *cu);
 
@@ -956,6 +960,8 @@ static void read_common_block (struct die_info *, struct dwarf2_cu *);
 
 static void read_namespace (struct die_info *die, struct dwarf2_cu *);
 
+static void read_module (struct die_info *die, struct dwarf2_cu *cu);
+
 static const char *namespace_name (struct die_info *die,
 				   int *is_anonymous, struct dwarf2_cu *);
 
@@ -1857,6 +1863,9 @@ scan_partial_symbols (struct partial_die_info *first_die, CORE_ADDR *lowpc,
 	    case DW_TAG_namespace:
 	      add_partial_namespace (pdi, lowpc, highpc, need_pc, cu);
 	      break;
+	    case DW_TAG_module:
+	      add_partial_module (pdi, lowpc, highpc, need_pc, cu);
+	      break;
 	    default:
 	      break;
 	    }
@@ -2176,6 +2185,20 @@ add_partial_namespace (struct partial_die_info *pdi,
     scan_partial_symbols (pdi->die_child, lowpc, highpc, need_pc, cu);
 }
 
+/* Read a partial die corresponding to a Fortran module.  */
+
+static void
+add_partial_module (struct partial_die_info *pdi, CORE_ADDR *lowpc,
+		    CORE_ADDR *highpc, int need_pc, struct dwarf2_cu *cu)
+{
+  /* Now scan partial symbols in that module.
+
+     FIXME: Support the separate Fortran module namespaces.  */
+
+  if (pdi->has_children)
+    scan_partial_symbols (pdi->die_child, lowpc, highpc, need_pc, cu);
+}
+
 /* Read a partial die corresponding to a subprogram and create a partial
    symbol for that subprogram.  When the CU language allows it, this
    routine also defines a partial symbol for each nested subprogram
@@ -2839,6 +2862,9 @@ process_die (struct die_info *die, struct dwarf2_cu *cu)
       processing_has_namespace_info = 1;
       read_namespace (die, cu);
       break;
+    case DW_TAG_module:
+      read_module (die, cu);
+      break;
     case DW_TAG_imported_declaration:
     case DW_TAG_imported_module:
       /* FIXME: carlton/2002-10-16: Eventually, we should use the
@@ -4748,6 +4774,22 @@ read_namespace (struct die_info *die, struct dwarf2_cu *cu)
     }
 }
 
+/* Read a Fortran module.  */
+
+static void
+read_module (struct die_info *die, struct dwarf2_cu *cu)
+{
+  struct die_info *child_die = die->child;
+
+  /* FIXME: Support the separate Fortran module namespaces.  */
+
+  while (child_die && child_die->tag)
+    {
+      process_die (child_die, cu);
+      child_die = sibling_die (child_die);
+    }
+}
+
 /* Return the name of the namespace represented by DIE.  Set
    *IS_ANONYMOUS to tell whether or not the namespace is an anonymous
    namespace.  */
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index d51a49a..9397100 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-02-12  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	PR fortran/9806
+	* gdb.fortran/module.exp, gdb.fortran/module.f90: New.
+
 2009-02-06  Paul Pluzhnikov  <ppluzhnikov@google.com>
 
 	* gdb.cp/pr9594.cc: Prevent GCC from optimizing 'a' out.
diff --git a/gdb/testsuite/gdb.fortran/module.exp b/gdb/testsuite/gdb.fortran/module.exp
new file mode 100644
index 0000000..342ccee
--- /dev/null
+++ b/gdb/testsuite/gdb.fortran/module.exp
@@ -0,0 +1,35 @@
+# Copyright 2009 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/>.
+
+set testfile "module"
+set srcfile ${testfile}.f90
+set binfile ${objdir}/${subdir}/${testfile}
+
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug f77 quiet}] != "" } {
+    untested "Couldn't compile ${srcfile}"
+    return -1
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+if ![runto MAIN__] then {
+    perror "couldn't run to breakpoint MAIN__"
+    continue
+}
+
+gdb_test "print i" " = 42"
diff --git a/gdb/testsuite/gdb.fortran/module.f90 b/gdb/testsuite/gdb.fortran/module.f90
new file mode 100644
index 0000000..501ccc8
--- /dev/null
+++ b/gdb/testsuite/gdb.fortran/module.f90
@@ -0,0 +1,22 @@
+! Copyright 2009 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/>.
+
+module mod
+        integer :: i = 42
+end module mod
+
+        use mod
+        print *, i
+end