blob: 43863335844cfefa487409b5e15b1b389886d800 [file] [log] [blame]
/* Pedantic checking of DWARF files
Copyright (C) 2010 Red Hat, Inc.
This file is part of elfutils.
This file 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.
elfutils 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/>. */
#include "dwarf_version-imp.hh"
#include "../libdw/dwarf.h"
namespace
{
struct dwarf_mips_attributes
: public attribute_table
{
void unused (__attribute__ ((unused)) attribute const &attrib) const {}
dwarf_mips_attributes ()
{
// Most of these are really just sketched, since we don't emit
// them anyway. For those in need, the documentation is in
// mips_extensions.pdf that's installed by libdwarf-devel in
// Fedora. According to that document, some forms were never
// even emitted. Those are marked as unused and not added.
// Their class is arbitrarily chosen as cl_constant.
add (const_attribute (DW_AT_MIPS_fde));
unused (const_attribute (DW_AT_MIPS_loop_begin));
unused (const_attribute (DW_AT_MIPS_tail_loop_begin));
unused (const_attribute (DW_AT_MIPS_epilog_begin));
unused (const_attribute (DW_AT_MIPS_loop_unroll_factor));
unused (const_attribute (DW_AT_MIPS_software_pipeline_depth));
add (string_attribute (DW_AT_MIPS_linkage_name));
// [section 8.10] If DW_AT_MIPS_stride is present, the attribute
// contains a reference to a DIE which describes the location
// holding the stride, and the DW_AT_stride_size field of
// DW_TAG_array_type is ignored if present. The value of the
// stride is the number of 4 byte words between elements along
// that axis.
add (ref_attribute (DW_AT_MIPS_stride));
add (string_attribute (DW_AT_MIPS_abstract_name));
// xxx in addition, this is supposed to be CU-local reference,
// similarly to the DW_AT_sibling. An opportunity to generalize
// sibling_form_suitable.
add (ref_attribute (DW_AT_MIPS_clone_origin));
add (flag_attribute (DW_AT_MIPS_has_inlines));
// The documentation is unclear on what form these should take.
// I'm making them the same as DW_AT_byte_stride in DWARF2, in
// hopes that that's what they are supposed to be.
add (const_attribute (DW_AT_MIPS_stride_byte));
add (const_attribute (DW_AT_MIPS_stride_elem));
add (ref_attribute (DW_AT_MIPS_ptr_dopetype));
add (ref_attribute (DW_AT_MIPS_allocatable_dopetype));
add (ref_attribute (DW_AT_MIPS_assumed_shape_dopetype));
add (flag_attribute (DW_AT_MIPS_assumed_size));
}
};
struct dwarf_mips_ext_t
: public std_dwarf
{
dwarf_mips_ext_t ()
: std_dwarf (dwarf_mips_attributes (), form_table ())
{}
};
}
dwarf_version const *
dwarf_mips_ext ()
{
static dwarf_mips_ext_t dw;
return &dw;
}