gdb/testsuite/

	* gdb.dwarf2/dw2-modula2-self-type.exp: New.
	* gdb.dwarf2/dw2-modula2-self-type.S: New.

3 files changed, 176 insertions, 0 deletions

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 013f5eb..f532514 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-05-08  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* gdb.dwarf2/dw2-modula2-self-type.exp: New.
+	* gdb.dwarf2/dw2-modula2-self-type.S: New.
+
 2010-05-07  Sami Wagiaalla  <swagiaal@redhat.com>
 
 	* gdb.cp/koenig.exp: New test.
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-modula2-self-type.S b/gdb/testsuite/gdb.dwarf2/dw2-modula2-self-type.S
new file mode 100644
index 0000000..8ddef76
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-modula2-self-type.S
@@ -0,0 +1,123 @@
+/* Copyright 2010 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/>.  */
+
+/* Compiled from:
+   MODULE m;
+   TYPE t = PROCEDURE (t);
+   VAR v: t;
+   BEGIN
+   END m.
+   But "v" has been removed afterwards.  */
+
+	.data
+v:	.long	0
+
+	.section	.debug_info
+d:
+	.long	.Ldebug_info_end - 1f	/* Length of Compilation Unit Info */
+1:
+	.2byte	0x3	/* DWARF version number */
+	.long	.Ldebug_abbrev0	/* Offset Into Abbrev. Section */
+	.byte	0x4	/* Pointer Size (in bytes) */
+dieb:
+	.uleb128 0x1	/* (DIE (0xb) DW_TAG_compile_unit) */
+	.long	.LASF0	/* DW_AT_producer */
+	.byte	0xa	/* DW_AT_language = DW_LANG_Modula2 */
+	.long	.LASF1	/* DW_AT_name: "2.mod" */
+	.long	.LASF2	/* DW_AT_comp_dir: "" */
+
+die210:
+	.uleb128 0x5	# (DIE (0x210) DW_TAG_subroutine_type)
+die215:
+	.uleb128 0x6	# (DIE (0x215) DW_TAG_formal_parameter)
+	.long	die21b-d	# DW_AT_type
+	.byte	0x0	# end of children of DIE 0x210
+die21b:
+	.uleb128 0x7	# (DIE (0x21b) DW_TAG_pointer_type)
+	.byte	0x4	# DW_AT_byte_size
+	.long	die210-d	# DW_AT_type
+die221:
+	.uleb128 0x8	# (DIE (0x221) DW_TAG_variable)
+	.ascii "v\0"	# DW_AT_name
+	.long	die21b-d	# DW_AT_type
+	.byte	2f-1f	# DW_AT_location
+1:	.byte	0x3	# DW_OP_addr
+	.long	v
+2:
+
+	.byte	0x0	# end of children of DIE 0xb
+.Ldebug_info_end:
+	.section	.debug_abbrev
+.Ldebug_abbrev0:
+
+	.uleb128 0x1	/* (abbrev code) */
+	.uleb128 0x11	/* (TAG: DW_TAG_compile_unit) */
+	.byte	0x1	/* DW_children_yes */
+	.uleb128 0x25	/* (DW_AT_producer) */
+	.uleb128 0xe	/* (DW_FORM_strp) */
+	.uleb128 0x13	/* (DW_AT_language) */
+	.uleb128 0xb	/* (DW_FORM_data1) */
+	.uleb128 0x3	/* (DW_AT_name) */
+	.uleb128 0xe	/* (DW_FORM_strp) */
+	.uleb128 0x1b	/* (DW_AT_comp_dir) */
+	.uleb128 0xe	/* (DW_FORM_strp) */
+	.byte	0x0
+	.byte	0x0
+
+	.uleb128 0x5	# (abbrev code)
+	.uleb128 0x15	# (TAG: DW_TAG_subroutine_type)
+	.byte	0x1	# DW_children_yes
+	.byte	0x0
+	.byte	0x0
+
+	.uleb128 0x6	# (abbrev code)
+	.uleb128 0x5	# (TAG: DW_TAG_formal_parameter)
+	.byte	0x0	# DW_children_no
+	.uleb128 0x49	# (DW_AT_type)
+	.uleb128 0x13	# (DW_FORM_ref4)
+	.byte	0x0
+	.byte	0x0
+
+	.uleb128 0x7	# (abbrev code)
+	.uleb128 0xf	# (TAG: DW_TAG_pointer_type)
+	.byte	0x0	# DW_children_no
+	.uleb128 0xb	# (DW_AT_byte_size)
+	.uleb128 0xb	# (DW_FORM_data1)
+	.uleb128 0x49	# (DW_AT_type)
+	.uleb128 0x13	# (DW_FORM_ref4)
+	.byte	0x0
+	.byte	0x0
+
+	.uleb128 0x8	# (abbrev code)
+	.uleb128 0x34	# (TAG: DW_TAG_variable)
+	.byte	0x0	# DW_children_no
+	.uleb128 0x3	# (DW_AT_name)
+	.uleb128 0x8	# (DW_FORM_string)
+	.uleb128 0x49	# (DW_AT_type)
+	.uleb128 0x13	# (DW_FORM_ref4)
+	.uleb128 0x2	# (DW_AT_location)
+	.uleb128 0xa	# (DW_FORM_block1)
+	.byte	0x0
+	.byte	0x0
+
+	.byte	0x0
+
+	.section	.debug_str
+.LASF1:
+	.string	"2.mod"
+.LASF0:
+	.string	"GNU Modula-2 0.78 (20100402) grafted onto GCC 4.1.2"
+.LASF2:
+	.string	""
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-modula2-self-type.exp b/gdb/testsuite/gdb.dwarf2/dw2-modula2-self-type.exp
new file mode 100644
index 0000000..3ec69fa
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-modula2-self-type.exp
@@ -0,0 +1,48 @@
+# Copyright 2010 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/>.
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+# For now pick a sampling of likely targets.
+if {![istarget *-*-linux*]
+    && ![istarget *-*-gnu*]
+    && ![istarget *-*-elf*]
+    && ![istarget *-*-openbsd*]
+    && ![istarget arm-*-eabi*]
+    && ![istarget powerpc-*-eabi*]} {
+    return 0  
+}
+
+set testfile "dw2-modula2-self-type"
+set srcfile ${testfile}.S
+set executable ${testfile}.x
+set binfile ${objdir}/${subdir}/${executable}
+
+# First try referencing DW_AT_frame_base which is not defined.
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" object {}] != "" } {
+    return -1
+}
+
+clean_restart $executable
+
+# C language would just naively print:
+# type = void (*)(void (*)(void (*)(void (*)(void (*)(...
+# While modula-2 prints:
+# type = POINTER TO PROCEDURE
+gdb_test "set language modula-2"
+
+# The first access (as we do not use -readnow) crashes GDB.
+gdb_test "ptype v"
+
+gdb_test "p 1" " = 1" "alive"