Made the GUI offer to change the view of the current analyzed binary.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@73 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

1 files changed, 785 insertions, 0 deletions

diff --git a/src/gtkext/gtkblockview.c b/src/gtkext/gtkblockview.c
new file mode 100644
index 0000000..b125c7b
--- /dev/null
+++ b/src/gtkext/gtkblockview.c
@@ -0,0 +1,785 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * gtkblockview.c - affichage d'un fragment de code d'assemblage
+ *
+ * Copyright (C) 2008 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "gtkblockview.h"
+
+
+#include <malloc.h>
+#include <string.h>
+
+
+#include "gtkbinview-int.h"
+#include "../common/dllist.h"
+
+
+
+#define CONTENT_BUFFER_LEN 64
+
+#define MARGIN_SPACE 4
+
+
+
+struct _GtkBlockView
+{
+    GtkBinView parent;                      /* A laisser en premier        */
+
+    bool show_vaddress;                     /* Affichage des adresses ?    */
+    bool show_code;                         /* Affichage du code brut ?    */
+
+    PangoLayout *layout;                    /* Moteur de rendu du code ASM */
+    GdkGC *gc;                              /* Contexte graphique du rendu */
+    int line_height;                        /* Hauteur maximale des lignes */
+
+    const exe_format *format;               /* Format du contenu bianire   */
+
+    GRenderingLine *lines;                  /* Contenu à représenter       */
+
+};
+
+struct _GtkBlockViewClass
+{
+    GtkBinViewClass parent;                 /* A laisser en premier        */
+
+};
+
+
+
+
+
+
+
+
+/* Redessine l'affichage suite une mise à jour dans la marge. */
+void gtk_block_view_update_margin(GRenderingLine *, GtkBlockView *);
+
+
+
+
+
+/* Réclame une nouvelle taille adaptée au contenu présent. */
+void gtk_block_view_recompute_size_request(GtkBlockView *);
+
+
+
+
+
+
+
+
+static void gtk_block_view_class_init(GtkBlockViewClass *klass);
+static void gtk_block_view_init(GtkBlockView *cpu);
+static void gtk_block_view_size_request(GtkWidget *widget,
+    GtkRequisition *requisition);
+static void gtk_block_view_size_allocate(GtkWidget *widget,
+    GtkAllocation *allocation);
+static void gtk_block_view_realize(GtkWidget *widget);
+
+
+static gboolean gtk_block_view_button_press(GtkWidget *, GdkEventButton *event);
+
+static gboolean gtk_block_view_expose(GtkWidget *widget,
+    GdkEventExpose *event);
+static void gtk_block_view_paint(GtkBlockView *view);
+static void gtk_block_view_destroy(GtkObject *object);
+
+
+
+G_DEFINE_TYPE(GtkBlockView, gtk_block_view, GTK_TYPE_BIN_VIEW)
+
+
+
+
+GtkWidget * gtk_block_view_new(void)
+{
+    GtkBlockView *result;
+
+    result = gtk_type_new(gtk_block_view_get_type());
+
+    return GTK_WIDGET(result);
+
+}
+
+
+static void
+gtk_block_view_class_init(GtkBlockViewClass *klass)
+{
+  GtkWidgetClass *widget_class;
+  GtkObjectClass *object_class;
+
+
+  widget_class = (GtkWidgetClass *) klass;
+  object_class = (GtkObjectClass *) klass;
+
+
+  widget_class->button_press_event = gtk_block_view_button_press;
+  widget_class->realize = gtk_block_view_realize;
+  widget_class->size_request = gtk_block_view_size_request;
+  widget_class->size_allocate = gtk_block_view_size_allocate;
+  widget_class->expose_event = gtk_block_view_expose;
+
+  object_class->destroy = gtk_block_view_destroy;
+}
+
+
+static void
+gtk_block_view_init(GtkBlockView *view)
+{
+
+}
+
+
+static void
+gtk_block_view_size_request(GtkWidget *widget,
+    GtkRequisition *requisition)
+{
+  g_return_if_fail(widget != NULL);
+  g_return_if_fail(GTK_IS_BLOCK_VIEW(widget));
+  g_return_if_fail(requisition != NULL);
+
+  requisition->width = 80;
+  requisition->height = 100;
+}
+
+
+static void
+gtk_block_view_size_allocate(GtkWidget *widget,
+    GtkAllocation *allocation)
+{
+  g_return_if_fail(widget != NULL);
+  g_return_if_fail(GTK_IS_BLOCK_VIEW(widget));
+  g_return_if_fail(allocation != NULL);
+
+  widget->allocation = *allocation;
+
+  if (GTK_WIDGET_REALIZED(widget)) {
+     gdk_window_move_resize(
+         widget->window,
+         allocation->x, allocation->y,
+         allocation->width, allocation->height
+     );
+   }
+}
+
+
+static void
+gtk_block_view_realize(GtkWidget *widget)
+{
+    GdkWindowAttr attributes;
+    guint attributes_mask;
+    GdkColor white;                         /* Couleur de fond normale     */
+
+  g_return_if_fail(widget != NULL);
+  g_return_if_fail(GTK_IS_BLOCK_VIEW(widget));
+
+  GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
+
+  attributes.window_type = GDK_WINDOW_CHILD;
+  attributes.x = widget->allocation.x;
+  attributes.y = widget->allocation.y;
+  attributes.width = widget->allocation.width;
+  attributes.height = widget->allocation.height;
+
+  attributes.wclass = GDK_INPUT_OUTPUT;
+  attributes.event_mask = gtk_widget_get_events(widget) | GDK_BUTTON_PRESS_MASK | GDK_EXPOSURE_MASK;
+
+  attributes_mask = GDK_WA_X | GDK_WA_Y;
+
+  widget->window = gdk_window_new(
+     gtk_widget_get_parent_window (widget),
+     & attributes, attributes_mask
+  );
+
+  gdk_window_set_user_data(widget->window, widget);
+
+    widget->style = gtk_style_attach(widget->style, widget->window);
+
+
+    gdk_color_white(gtk_widget_get_colormap(widget), &white);
+    gtk_widget_modify_bg(widget, GTK_STATE_NORMAL, &white);
+
+
+    GTK_BLOCK_VIEW(widget)->layout = gtk_widget_create_pango_layout(widget, NULL);
+    GTK_BLOCK_VIEW(widget)->gc = gdk_gc_new(GDK_DRAWABLE(widget->window));
+
+    gtk_block_view_build_content(GTK_BLOCK_VIEW(widget));
+
+}
+
+
+static gboolean gtk_block_view_button_press(GtkWidget *widget, GdkEventButton *event)
+{
+    gboolean result;                        /* Décision à retourner        */
+    GtkBlockView *view;                    /* Composant GTK réel          */
+    gdouble y;                              /* Position à manipuler        */
+    GRenderingLine *line;                   /* Ligne de rendu visée        */
+
+    result = FALSE;
+
+    view = GTK_BLOCK_VIEW(widget);
+
+    y = event->y;
+    line = g_rendering_line_find_by_y(view->lines, &y);
+
+    if (line != NULL)
+    {
+        /* Clic dans la marge */
+        if (event->type == GDK_BUTTON_PRESS && event->x < (2 * MARGIN_SPACE + view->line_height))
+        {
+            result = TRUE;
+            g_rendering_line_toggle_flag(line, RLF_BREAK_POINT);
+        }
+
+    }
+
+    if (result)
+    {
+        /* TODO: regions */
+        gtk_block_view_paint(view);
+    }
+
+    return result;
+
+}
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : line = ligne dont un drapeau a évolué.                       *
+*                view = composant GTK à mettre à jour.                        *
+*                                                                             *
+*  Description : Redessine l'affichage suite une mise à jour dans la marge.   *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_block_view_update_margin(GRenderingLine *line, GtkBlockView *view)
+{
+
+
+    gtk_block_view_paint(view);
+
+
+
+
+}
+
+
+
+
+
+static gboolean
+gtk_block_view_expose(GtkWidget *widget,
+    GdkEventExpose *event)
+{
+  g_return_val_if_fail(widget != NULL, FALSE);
+  g_return_val_if_fail(GTK_IS_BLOCK_VIEW(widget), FALSE);
+  g_return_val_if_fail(event != NULL, FALSE);
+
+  gtk_block_view_paint(GTK_BLOCK_VIEW(widget));
+
+
+
+  /*
+
+
+gdk_gc_set_clip_region              (GdkGC *gc,
+                                                         const GdkRegion *region);
+
+gdk_window_invalidate_region        (GdkWindow *window,
+                                                         const GdkRegion *region,
+                                                         gboolean invalidate_children);
+gdk_window_begin_paint_region       (GdkWindow *window,
+                                                         const GdkRegion *region);
+void                gdk_window_end_paint                (GdkWindow *window);
+   */
+
+
+
+
+
+
+    return TRUE;
+
+}
+
+
+static void
+gtk_block_view_paint(GtkBlockView *view)
+{
+    GtkWidget *widget;                      /* Version GTK du composant    */
+    GdkGCValues values;                     /* Propriétés du contexte      */
+    GdkColor white;                         /* Couleur du fond             */
+    int width;                              /* Largeur de l'élément        */
+    int height;                             /* Hauteur de l'élément        */
+    GdkColor red;                           /* Couleur des arrêts          */
+    PangoLayoutIter *iter;                  /* Boucle de parcours          */
+    unsigned int index;                     /* Indice de la ligne visée    */
+    int y0;                                 /* Ordonnée du haut d'une ligne*/
+    int y1;                                 /* Ordonnée du bas d'une ligne */
+
+    GRenderingLine *liter;
+
+
+    widget = GTK_WIDGET(view);
+    gdk_gc_get_values(view->gc, &values);
+
+    gdk_color_white(gtk_widget_get_colormap(widget), &white);
+    gdk_gc_set_foreground(view->gc, &white);
+
+    gtk_widget_get_size_request(widget, &width, &height);
+
+    gdk_draw_rectangle(GDK_DRAWABLE(widget->window), GTK_BLOCK_VIEW(widget)->gc,
+                       TRUE, 0, 0, width, height);
+
+    gdk_color_parse("#ff0000", &red);
+    gdk_color_alloc(gtk_widget_get_colormap(widget), &red);
+    gdk_gc_set_foreground(view->gc, &red);
+
+
+    index = 0;
+    iter = pango_layout_get_iter(view->layout);
+
+#if 0
+    for (; index < view->info_count; index++, pango_layout_iter_next_line(iter))
+    {
+        if (!view->info[index].bp_set) continue;
+
+        pango_layout_iter_get_line_yrange(iter, &y0, &y1);
+
+
+
+        gdk_draw_arc(GDK_DRAWABLE(widget->window), GTK_BLOCK_VIEW(widget)->gc,
+                     FALSE, MARGIN_SPACE, y0 / PANGO_SCALE,
+                     view->line_height - 2, view->line_height - 2,
+                     0, 360 * 64);
+
+    }
+#endif
+
+    pango_layout_iter_free(iter);
+
+    gdk_gc_set_foreground(view->gc, &values.foreground);
+
+    gdk_draw_layout(GDK_DRAWABLE(widget->window), view->gc,
+                    2 * MARGIN_SPACE + view->line_height, 0,
+                    view->layout);
+
+
+    y0 = 0;
+
+    for (/* l! */liter = view->lines; liter != NULL; liter = g_rendering_line_get_next_iter(view->lines, liter))
+    {
+        g_rendering_line_draw(liter, GDK_DRAWABLE(widget->window), view->gc,
+                              MARGIN_SPACE, 2 * MARGIN_SPACE + view->line_height,
+                              y0, view->line_height);
+
+        y0 += view->line_height;
+
+    }
+
+
+}
+
+
+static void
+gtk_block_view_destroy(GtkObject *object)
+{
+  GtkBlockView *cpu;
+  GtkBlockViewClass *klass;
+
+  g_return_if_fail(object != NULL);
+  g_return_if_fail(GTK_IS_BLOCK_VIEW(object));
+
+  cpu = GTK_BLOCK_VIEW(object);
+
+  klass = gtk_type_class(gtk_widget_get_type());
+
+  if (GTK_OBJECT_CLASS(klass)->destroy) {
+     (* GTK_OBJECT_CLASS(klass)->destroy) (object);
+  }
+}
+
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : view = composant GTK à mettre à jour.                     *
+*                show    = état de l'affichage auquel parvenir.               *
+*                                                                             *
+*  Description : Choisit d'afficher les adresses virtuelles ou non.           *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_block_view_show_vaddress(GtkBlockView *view, gboolean show)
+{
+    view->show_vaddress = show;
+
+    gtk_block_view_build_content(view);
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : view = composant GTK à mettre à jour.                     *
+*                show    = état de l'affichage auquel parvenir.               *
+*                                                                             *
+*  Description : Choisit d'afficher le code brut ou non.                      *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_block_view_show_code(GtkBlockView *view, gboolean show)
+{
+    view->show_code = show;
+
+    gtk_block_view_build_content(view);
+
+}
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : view = composant GTK à mettre à jour.                     *
+*                format  = format du binaire affiché.                         *
+*                                                                             *
+*  Description : Définit le format auquel le contenu est lié.                 *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_block_view_set_format(GtkBlockView *view, const exe_format *format)
+{
+    view->format = format;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : view = composant GTK à mettre à jour.                     *
+*                lines   = informations à intégrer.                           *
+*                                                                             *
+*  Description : Définit les lignes du bloc de représentation.                *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_block_view_set_rendering_lines(GtkBlockView *view, GRenderingLine *lines)
+{
+    GRenderingLine *iter;                   /* Boucle de parcours          */
+
+    view->lines = lines;
+
+    for (iter = lines; iter != NULL; iter = g_rendering_line_get_next_iter(lines, iter))
+        g_signal_connect(iter, "rendering-line-flags-changed",
+                         G_CALLBACK(gtk_block_view_update_margin), view);
+
+    g_rendering_line_update_bin_len(lines);
+
+    gtk_block_view_recompute_size_request(view);
+
+}
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : view = composant GTK à mettre à jour.                     *
+*                                                                             *
+*  Description : Réclame une nouvelle taille adaptée au contenu présent.      *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_block_view_recompute_size_request(GtkBlockView *view)
+{
+    int width;                              /* Largeur de l'objet actuelle */
+    int height;                             /* Hauteur de l'objet actuelle */
+
+    g_rendering_line_get_size(view->lines, &width, &height, &view->line_height);
+
+    gtk_widget_set_size_request(GTK_WIDGET(view),
+                                width + 2 * MARGIN_SPACE + view->line_height,
+                                height);
+
+}
+
+
+
+
+
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : view = composant GTK à mettre à jour.                        *
+*                                                                             *
+*  Description : Définit le contenu visuel à partir des infos enregistrées.   *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_block_view_build_content(GtkBlockView *view)
+{
+#if 0
+    const uint8_t *exe_content;             /* Contenu binaire global      */
+    off_t max_bin_len;                      /* Taille max du code brut     */
+    unsigned int i;                         /* Boucle de traitement        */
+    off_t bin_len;                          /* Taille d'instruction        */
+    char *bin_code;                         /* Tampon du code binaire      */
+    char *content;                          /* Contenu à définir           */
+    size_t content_len;                     /* Taille du contenu           */
+    AdressMode mode;                        /* Affichage des adresses      */
+    char buffer[CONTENT_BUFFER_LEN];        /* Zone tampon à utiliser      */
+    off_t bin_offset;                       /* Début de l'instruction      */
+    off_t k;                                /* Boucle de parcours #2       */
+    off_t j;                                /* Boucle de parcours #1       */
+    int width;                              /* Largeur de l'objet actuelle */
+    int height;                             /* Hauteur de l'objet actuelle */
+    PangoLayoutIter *iter;                  /* Boucle de parcours          */
+    int y0;                                 /* Ordonnée du haut d'une ligne*/
+    int y1;                                 /* Ordonnée du bas d'une ligne */
+
+    /* Calcul de la largeur maximale brute si besoin est */
+    if (view->show_code)
+    {
+        exe_content = get_exe_content(view->format, NULL);
+
+        max_bin_len = 1;
+
+        for (i = 0; i < view->info_count; i++)
+        {
+            /* Commentaire uniquement */
+            if (view->info[i].instr == NULL) continue;
+
+            get_asm_instr_offset_and_length(view->info[i].instr, NULL, &bin_len);
+            if (bin_len > max_bin_len) max_bin_len = bin_len;
+
+        }
+
+        max_bin_len = max_bin_len * 2 + (max_bin_len - 1);
+        bin_code = (char *)calloc(max_bin_len + 1, sizeof(char));
+
+    }
+
+    content_len = strlen("<tt>") + 1;
+    content = (char *)calloc(content_len, sizeof(char));
+    strcpy(content, "<tt>");
+
+    mode = ADM_32BITS;  /* FIXME */
+
+    for (i = 0; i < view->info_count; i++)
+    {
+        if (i > 0)
+        {
+            content = (char *)realloc(content, ++content_len * sizeof(char));
+            strcat(content, "\n");
+        }
+
+        /* Eventuelle adresse virtuelle */
+
+        if (view->show_vaddress)
+        {
+            switch (mode)
+            {
+                case ADM_32BITS:
+                    snprintf(buffer, CONTENT_BUFFER_LEN,
+                             "<span foreground='#333333'>0x%08llx</span>", 
+                             view->info[i].offset);
+                    break;
+
+                case ADM_64BITS:
+                    snprintf(buffer, CONTENT_BUFFER_LEN,
+                             "<span foreground='#333333'>0x%16llx</span>", 
+                             view->info[i].offset);
+                    break;
+
+            }
+
+            content_len += strlen(buffer);
+            content = (char *)realloc(content, content_len * sizeof(char));
+            strcat(content, buffer);
+
+        }
+
+        /* Eventuel code brut */
+
+        if (view->show_code)
+        {
+            k = 0;
+
+            if (view->info[i].instr != NULL)
+            {
+                get_asm_instr_offset_and_length(view->info[i].instr, &bin_offset, &bin_len);
+
+                for (j = 0; j < bin_len; j++)
+                {
+                    if ((j + 1) < bin_len)
+                        k += snprintf(&bin_code[j * (2 + 1)], 4, "%02hhx ", exe_content[bin_offset + j]);
+                    else
+                        k += snprintf(&bin_code[j * (2 + 1)], 3, "%02hhx", exe_content[bin_offset + j]);
+                }
+
+            }
+ 
+            for (; k < max_bin_len; k++)
+                snprintf(&bin_code[k], 2, " ");
+
+            if (view->show_vaddress) content_len += strlen("\t");
+            content_len += strlen(bin_code);
+            content = (char *)realloc(content, content_len * sizeof(char));
+            if (view->show_vaddress) strcat(content, "\t");
+            strcat(content, bin_code);
+
+        }
+
+        /* Eventuelle instruction */
+
+        if (view->info[i].instr != NULL)
+        {
+            print_hinstruction(view->proc, view->format, view->info[i].instr, buffer, CONTENT_BUFFER_LEN, ASX_INTEL);
+
+            if (view->show_vaddress || view->show_code) content_len += strlen("\t");
+            content_len += strlen(buffer);
+
+            content = (char *)realloc(content, content_len * sizeof(char));
+            if (view->show_vaddress || view->show_code) strcat(content, "\t");
+            strcat(content, buffer);
+
+        }
+
+        /* Eventuel commantaire */
+
+        if (view->info[i].comment != NULL)
+        {
+            if (view->show_vaddress || view->show_code) content_len += strlen("\t");
+            content_len += strlen("<b><span foreground='#003300'>; ") + strlen(view->info[i].comment) + strlen("</span></b>");
+
+            content = (char *)realloc(content, content_len * sizeof(char));
+            if (view->show_vaddress || view->show_code) strcat(content, "\t");
+            strcat(content, "<b><span foreground='#003300'>; ");
+            strcat(content, view->info[i].comment);
+            strcat(content, "</span></b>");
+
+        }
+
+    }
+
+    content_len += strlen("</tt>");
+    content = (char *)realloc(content, content_len * sizeof(char));
+    strcat(content, "</tt>");
+
+    if (view->show_code) free(bin_code);
+
+    pango_layout_set_markup(view->layout, content, content_len - 1);
+
+    pango_layout_get_pixel_size(view->layout, &width, &height);
+
+    view->line_height = 0;
+    iter = pango_layout_get_iter(view->layout);
+
+    do
+    {
+        pango_layout_iter_get_line_yrange(iter, &y0, &y1);
+        view->line_height = MAX(view->line_height, (y1 - y0) / PANGO_SCALE);
+    }
+    while (pango_layout_iter_next_line(iter));
+
+    pango_layout_iter_free(iter);
+
+    //gtk_widget_set_size_request(GTK_WIDGET(block_view), width + 2 * MARGIN_SPACE + view->line_height, height);
+#endif
+}
+
+
+
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : view     = composant GTK à consulter.                        *
+*                address  = adresse à présenter à l'écran.                    *
+*                position = position verticale au sein du composant. [OUT]    *
+*                                                                             *
+*  Description : Indique la position verticale d'une adresse donnée.          *
+*                                                                             *
+*  Retour      : TRUE si l'adresse fait partie du composant, FALSE sinon.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+gboolean gtk_block_view_get_address_vposition(GtkBlockView *view, uint64_t address, gint *position)
+{
+    unsigned int i;                         /* Boucle de parcours          */
+
+    *position = 0;
+#if 0
+    for (i = 0; i < view->info_count; i++)
+    {
+        if (view->info[i].offset == address) break;
+        else *position += view->line_height;
+    }
+#endif
+    return false;//(i < view->info_count);
+
+}
+