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/* OpenIDA - Outil d'analyse de fichiers binaires
 * symbols.c - panneau d'affichage des symboles
 *
 * Copyright (C) 2006-2007 Cyrille Bagard
 *
 *  This file is part of OpenIDA.
 *
 *  OpenIDA 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.
 *
 *  OpenIDA 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, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


#include "symbols.h"


#include <malloc.h>
#include <stdlib.h>


#include "../arch/processor.h"
#include "../gtkext/gtkbinview.h"



/* Colonnes de la liste des symboles */
typedef enum _SymbolsColumn
{
    SBC_ADDRESS,                            /* Adresse mémoire du symbole  */
    SBC_NAME,                               /* Désignation humaine         */

    SBC_COUNT                               /* Nombre de colonnes          */

} SymbolsColumn;


/* Réagit au changement de sélection des symboles. */
void change_symbols_selection(GtkTreeSelection *, gpointer);



/******************************************************************************
*                                                                             *
*  Paramètres  : ref = adresse de l'espace de référencements.                 *
*                                                                             *
*  Description : Construit le panneau d'affichage des symboles.               *
*                                                                             *
*  Retour      : Adresse du panneau mis en place.                             *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

GtkWidget *build_symbols_panel(GObject *ref)
{
    GtkWidget *result;                      /* Panneau à retourner         */
    GtkTreeStore *store;                    /* Modèle de gestion           */
    GtkWidget *treeview;                    /* Affichage de la liste       */
    GtkCellRenderer *renderer;              /* Moteur de rendu de colonne  */
    GtkTreeViewColumn *column;              /* Colonne de la liste         */
    GtkTreeSelection *select;               /* Sélection dans la liste     */

    result = gtk_scrolled_window_new(NULL, NULL);
    gtk_widget_show(result);

    gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(result), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(result), GTK_SHADOW_IN);

    store = gtk_tree_store_new(SBC_COUNT, G_TYPE_STRING, G_TYPE_STRING);
    g_object_set_data(G_OBJECT(result), "store", store);

    treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
    gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
    gtk_widget_show(treeview);
    gtk_container_add(GTK_CONTAINER(result), treeview);

    g_object_unref(G_OBJECT(store));

    column = gtk_tree_view_column_new();
    gtk_tree_view_column_set_visible(column, FALSE);
    gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
    gtk_tree_view_set_expander_column(GTK_TREE_VIEW(treeview), column);

    renderer = gtk_cell_renderer_text_new();
    column = gtk_tree_view_column_new_with_attributes("Address", renderer, "text", SBC_ADDRESS, NULL);
    gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);

    renderer = gtk_cell_renderer_text_new();
    column = gtk_tree_view_column_new_with_attributes("Name", renderer, "text", SBC_NAME, NULL);
    gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);

    select = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
    gtk_tree_selection_set_mode(select, GTK_SELECTION_SINGLE);
    g_signal_connect(G_OBJECT(select), "changed", G_CALLBACK(change_symbols_selection), ref);

    return result;

}


/******************************************************************************
*                                                                             *
*  Paramètres  : selection = sélection modifiée.                              *
*                data      = adresse de l'espace de référencements.           *
*                                                                             *
*  Description : Réagit au changement de sélection des symboles.              *
*                                                                             *
*  Retour      : -                                                            *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

void change_symbols_selection(GtkTreeSelection *selection, gpointer data)
{
    GtkTreeIter iter;
    GtkTreeModel *model;
    gchar *string;                          /* Chaîne sélectionnée         */
    vmpa_t address;                         /* Adresse à rejoindre         */
    GtkBinview *binview;                    /* Affichage à faire défiler   */

    if (gtk_tree_selection_get_selected(selection, &model, &iter))
    {
        gtk_tree_model_get(model, &iter, SBC_ADDRESS, &string, -1);
        address = strtoll(string, NULL, 16);    /* FIXME */
        g_free(string);

        binview = GTK_BIN_VIEW(g_object_get_data(G_OBJECT(data), "binview"));

        gtk_bin_view_scroll_to_address(binview, address);

    }

}


/******************************************************************************
*                                                                             *
*  Paramètres  : panel  = panneau à mettre à jour.                            *
*                format = données sur l'exécutable à représenter.             *
*                                                                             *
*  Description : Affiche la liste des symboles présents dans un exécutable.   *
*                                                                             *
*  Retour      : -                                                            *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

void reload_symbols_panel_content(GtkWidget *panel, const exe_format *format)
{
    GBinRoutine **routines;                 /* Routines trouvées           */
    size_t count;                           /* Nombre de ces routines      */
    GtkTreeStore *store;                    /* Modèle de gestion           */
    GArchProcessor *proc;                   /* Architecture utilisée       */
    size_t i;                               /* Boucle de parcours          */
    vmpa_t address;                         /* Adresse associée au symbole */
    char tmp[19];                           /* Version humainement lisible */
    GtkTreeIter iter;                       /* Point d'insertion           */

    routines = get_all_exe_routines(format, &count);

    if (routines != NULL)
    {
        store = g_object_get_data(G_OBJECT(panel), "store");

        proc = get_arch_processor_from_format(format);

        for (i = 0; i < count; i++)
        {
            address = g_binary_routine_get_address(routines[i]);

            switch (g_arch_processor_get_memory_size(proc))
            {
                case MDS_8_BITS:
                    snprintf(tmp, 19, "0x%02llx", address);
                    break;

                case MDS_16_BITS:
                    snprintf(tmp, 19, "0x%04llx", address);
                    break;

                case MDS_32_BITS:
                    snprintf(tmp, 19, "0x%08llx", address);
                    break;

                default:
                case MDS_64_BITS:
                    snprintf(tmp, 19, "0x%16llx", address);
                    break;

            }

            gtk_tree_store_append(store, &iter, NULL);
            gtk_tree_store_set(store, &iter,
                               SBC_ADDRESS, tmp,
                               SBC_NAME, g_binary_routine_get_name(routines[i]),
                               -1);

        }

        free(routines);

    }

}