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/* Copyright (C) 2021-2023 Free Software Foundation, Inc.
Contributed by Oracle.
This file is part of GNU Binutils.
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, 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, write to the Free Software
Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "config.h"
#include <assert.h>
#include <string.h>
#include <ctype.h>
#include "util.h"
#include "DbeSession.h"
#include "Application.h"
#include "DataObject.h"
#include "Module.h"
#include "debug.h"
DataObject::DataObject ()
{
name = NULL;
parent = NULL;
master = NULL;
_unannotated_name = NULL;
_typename = NULL;
_instname = NULL;
scope = NULL;
EAs = new Vector<DbeEA*>;
size = 0;
offset = (uint64_t) (-1);
}
DataObject::~DataObject ()
{
free (_unannotated_name);
free (_typename);
free (_instname);
EAs->destroy ();
delete EAs;
}
// get_addr() doesn't return an actual address for a DataObject
// but rather synthesises an address-like identifier tuple.
// XXXX since an aggregate and its first element have identical tuples
// may need to arrange for special-purpose sorting "by address"
uint64_t
DataObject::get_addr ()
{
uint64_t addr;
if (parent && parent->get_typename ())
addr = MAKE_ADDRESS (parent->id, offset); // element
else if (parent)
addr = MAKE_ADDRESS (parent->id, id) | 0x8000000000000000ULL; // Scalar, Unknown
else if (id == dbeSession->get_Scalars_DataObject ()->id)
addr = MAKE_ADDRESS (id, 0) | 0x8000000000000000ULL; // Scalar aggregate
else if (id == dbeSession->get_Unknown_DataObject ()->id)
addr = MAKE_ADDRESS (id, 0) | 0x8000000000000000ULL; // Unknown aggregate
else
addr = MAKE_ADDRESS (id, 0); // aggregate
return addr;
}
Histable *
DataObject::convertto (Histable_type type, Histable *)
{
return type == DOBJECT ? this : NULL;
}
char
DataObject::get_offset_mark ()
{
enum
{
blocksize = 32
};
if (size == 0 || offset == -1)
return '?'; // undefined
if (size > blocksize)
return '#'; // requires multiple blocks
if (size == blocksize && (offset % blocksize == 0))
return '<'; // fits block entirely
if (offset % blocksize == 0)
return '/'; // starts block
if ((offset + size) % blocksize == 0)
return '\\'; // closes block
if (offset / blocksize == ((offset + size) / blocksize))
return '|'; // inside block
return 'X'; // crosses blocks unnecessarily
}
char *
DataObject::get_offset_name ()
{
char *offset_name;
if (parent && parent->get_typename ()) // element
offset_name = dbe_sprintf (GTXT ("%c%+6lld .{%s %s}"),
get_offset_mark (), (long long) offset,
_typename ? _typename : GTXT ("NO_TYPE"),
_instname ? _instname : GTXT ("-")); // "NO_NAME"
else if ((offset != -1) && (offset > 0)) // filler
offset_name = dbe_sprintf (GTXT ("%c%+6lld %s"), get_offset_mark (),
(long long) offset, get_name ());
else if (parent) // Scalar/Unknown element
offset_name = dbe_sprintf (GTXT (" .%s"), get_unannotated_name ());
else // aggregate
offset_name = dbe_strdup (get_name ());
return offset_name;
}
void
DataObject::set_dobjname (char *type_name, char *inst_name)
{
_unannotated_name = _typename = _instname = NULL;
if (inst_name)
_instname = dbe_strdup (inst_name);
char *buf;
if (parent == dbeSession->get_Scalars_DataObject ())
{
if (type_name)
_typename = dbe_strdup (type_name);
_unannotated_name = dbe_sprintf (NTXT ("{%s %s}"), type_name,
inst_name ? inst_name : NTXT ("-"));
buf = dbe_sprintf (NTXT ("%s.%s"), parent->get_name (), _unannotated_name);
}
else if (parent == dbeSession->get_Unknown_DataObject ())
{
_unannotated_name = dbe_strdup (type_name);
buf = dbe_sprintf (NTXT ("%s.%s"), parent->get_name (), _unannotated_name);
}
else
{
if (type_name)
_typename = dbe_strdup (type_name);
if (parent && parent->get_typename ())
buf = dbe_sprintf (NTXT ("%s.{%s %s}"),
parent->get_name () ? parent->get_name () : NTXT ("ORPHAN"),
type_name ? type_name : NTXT ("NO_TYPE"),
inst_name ? inst_name : NTXT ("-")); // "NO_NAME"
else
buf = dbe_sprintf (NTXT ("{%s %s}"),
type_name ? type_name : NTXT ("NO_TYPE"),
inst_name ? inst_name : NTXT ("-")); // "NO_NAME"
}
name = buf;
dbeSession->dobj_updateHT (this);
}
void
DataObject::set_name (char *string)
{
name = dbe_strdup (string);
dbeSession->dobj_updateHT (this);
}
DbeEA *
DataObject::find_dbeEA (Vaddr EA)
{
DbeEA *dbeEA;
int left = 0;
int right = EAs->size () - 1;
while (left <= right)
{
int index = (left + right) / 2;
dbeEA = EAs->fetch (index);
if (EA < dbeEA->eaddr)
right = index - 1;
else if (EA > dbeEA->eaddr)
left = index + 1;
else
return dbeEA;
}
// None found, create a new one
dbeEA = new DbeEA (this, EA);
EAs->insert (left, dbeEA);
return dbeEA;
}
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