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/* foundry-debugger-mapped-region.c
*
* Copyright 2025 Christian Hergert <chergert@redhat.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library 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
* Lesser 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/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include "foundry-debugger-mapped-region.h"
/**
* FoundryDebuggerMappedRegion:
*
* Abstract base class for representing mapped memory regions in the debugger.
*
* FoundryDebuggerMappedRegion provides the core interface for representing
* mapped memory regions during debugging sessions. It includes address
* information, access modes, and provides a unified interface for
* memory region inspection and management across different debugging backends.
*/
enum {
PROP_0,
PROP_BEGIN_ADDRESS,
PROP_END_ADDRESS,
PROP_MODE,
PROP_OFFSET,
PROP_PATH,
N_PROPS
};
G_DEFINE_ABSTRACT_TYPE (FoundryDebuggerMappedRegion, foundry_debugger_mapped_region, G_TYPE_OBJECT)
static GParamSpec *properties[N_PROPS];
static void
foundry_debugger_mapped_region_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
FoundryDebuggerMappedRegion *self = FOUNDRY_DEBUGGER_MAPPED_REGION (object);
switch (prop_id)
{
case PROP_MODE:
g_value_set_uint (value, foundry_debugger_mapped_region_get_mode (self));
break;
case PROP_BEGIN_ADDRESS:
case PROP_END_ADDRESS:
{
guint64 begin, end;
foundry_debugger_mapped_region_get_range (self, &begin, &end);
g_value_set_uint64 (value, prop_id == PROP_BEGIN_ADDRESS ? begin : end);
break;
}
case PROP_OFFSET:
g_value_set_uint64 (value, foundry_debugger_mapped_region_get_offset (self));
break;
case PROP_PATH:
g_value_take_string (value, foundry_debugger_mapped_region_dup_path (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
foundry_debugger_mapped_region_class_init (FoundryDebuggerMappedRegionClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = foundry_debugger_mapped_region_get_property;
properties[PROP_MODE] =
g_param_spec_uint ("mode", NULL, NULL,
0, G_MAXUINT, 0,
(G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
properties[PROP_BEGIN_ADDRESS] =
g_param_spec_uint64 ("begin-address", NULL, NULL,
0, G_MAXUINT64, 0,
(G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
properties[PROP_END_ADDRESS] =
g_param_spec_uint64 ("end-address", NULL, NULL,
0, G_MAXUINT64, 0,
(G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
/**
* FoundryDebuggerMappedRegion:offset:
*
* The offset within `path` where the mapping originates.
*
* Since: 1.1
*/
properties[PROP_OFFSET] =
g_param_spec_uint64 ("offset", NULL, NULL,
0, G_MAXUINT64, 0,
(G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
properties[PROP_PATH] =
g_param_spec_string ("path", NULL, NULL,
NULL,
(G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_properties (object_class, N_PROPS, properties);
}
static void
foundry_debugger_mapped_region_init (FoundryDebuggerMappedRegion *self)
{
}
char *
foundry_debugger_mapped_region_dup_path (FoundryDebuggerMappedRegion *self)
{
g_return_val_if_fail (FOUNDRY_IS_DEBUGGER_MAPPED_REGION (self), NULL);
if (FOUNDRY_DEBUGGER_MAPPED_REGION_GET_CLASS (self)->dup_path)
return FOUNDRY_DEBUGGER_MAPPED_REGION_GET_CLASS (self)->dup_path (self);
return NULL;
}
guint
foundry_debugger_mapped_region_get_mode (FoundryDebuggerMappedRegion *self)
{
g_return_val_if_fail (FOUNDRY_IS_DEBUGGER_MAPPED_REGION (self), 0);
if (FOUNDRY_DEBUGGER_MAPPED_REGION_GET_CLASS (self)->get_mode)
return FOUNDRY_DEBUGGER_MAPPED_REGION_GET_CLASS (self)->get_mode (self);
return 0;
}
void
foundry_debugger_mapped_region_get_range (FoundryDebuggerMappedRegion *self,
guint64 *begin_address,
guint64 *end_address)
{
guint64 dummy1 = 0;
guint64 dummy2 = 0;
if (begin_address == NULL)
begin_address = &dummy1;
if (end_address == NULL)
end_address = &dummy2;
if (FOUNDRY_DEBUGGER_MAPPED_REGION_GET_CLASS (self)->get_range)
return FOUNDRY_DEBUGGER_MAPPED_REGION_GET_CLASS (self)->get_range (self, begin_address, end_address);
*begin_address = 0;
*end_address = 0;
}
guint64
foundry_debugger_mapped_region_get_offset (FoundryDebuggerMappedRegion *self)
{
g_return_val_if_fail (FOUNDRY_IS_DEBUGGER_MAPPED_REGION (self), 0);
if (FOUNDRY_DEBUGGER_MAPPED_REGION_GET_CLASS (self)->get_offset)
return FOUNDRY_DEBUGGER_MAPPED_REGION_GET_CLASS (self)->get_offset (self);
return 0;
}
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