old-cross-binutils/gdb/testsuite/gdb.xml/maint_print_struct.exp
Walfred Tedeschi f92b06daf9 Fix display of structures/bitfields in register description.
Add support for displaying structures and bitfields for registers when
executing "maint print c-tdesc". This command is also used when
converting the xml target description file into c file.

Example of the behaviour is given below reporting a snipet of the xml file
and a snippet of the c code generated.

XML file contains:
...
    <union id="vecint">
      <field name="v4" type="v4int8"/>
      <field name="v2" type="v2int16"/>
    </union>

    <struct id="struct1">
      <field name="v4" type="v4int8"/>
      <field name="v2" type="v2int16"/>
    </struct>

    <struct id="struct2" size="8">
      <field name="f1" start="0" end="34"/>
      <field name="f2" start="63" end="63"/>
    </struct>
...

Setting this xml file as target description file and
issuing the maintenance print c-tdesc the following output
is obtained:

  feature = tdesc_create_feature (result, "extra");
  field_type = tdesc_named_type (feature, "int8");
  tdesc_create_vector (feature, "v4int8", field_type, 4);

  field_type = tdesc_named_type (feature, "int16");
  tdesc_create_vector (feature, "v2int16", field_type, 2);

  type = tdesc_create_union (feature, "vecint");
  field_type = tdesc_named_type (feature, "v4int8");
  tdesc_add_field (type, "v4", field_type);
  field_type = tdesc_named_type (feature, "v2int16");
  tdesc_add_field (type, "v2", field_type);

C output is not supported type "struct1".

This is finally the issue.

2013-03-27  Walfred Tedeschi  <walfred.tedeschi@intel.com>

        * target-descriptions.c (maint_print_c_tdesc_cmd):
        Add case to parse structures as register types and
        bitfields.

testsuite/

	* gdb.xml/maint_print_struct.exp: New file.
	* gdb.xml/maint_print_struct.xml: New file.

Change-Id: I2e20b095d508319c80275e724a9452c7e2834067
Signed-off-by: Walfred Tedeschi <walfred.tedeschi@intel.com>
2013-04-30 12:33:52 +00:00

35 lines
1.3 KiB
Text

# This testcase is part of GDB, the GNU debugger.
#
# Copyright 2013 Free Software Foundation, Inc.
#
# Contributed by Intel Corp. <walfred.tedeschi@intel.com>
#
# 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/>.
if {[gdb_skip_xml_test]} {
unsupported "maint_print_struct.exp"
return -1
}
gdb_start
# Required registers are not present so it is expected a warning.
#
gdb_test "set tdesc filename $srcdir/$subdir/maint_print_struct.xml" "
warning:.*" "setting a new tdesc having only a structure"
gdb_test "maint print c-tdesc" "
.*tdesc_create_reg \\(feature, \"bad_reg1\", \[0-9\]+, 1, NULL, 128, \"two_fielded\"\\);\r
.*tdesc_create_reg \\(feature, \"bad_reg2\", \[0-9\]+, 1, NULL, 64, \"bitfield\"\\);\r
.*" "printing tdesc with a structure and a bitfield"