/* OpenIDA - Outil d'analyse de fichiers binaires * gtksnippet.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 . */ #include "gtksnippet.h" #include #include #include "../common/dllist.h" #define CONTENT_BUFFER_LEN 64 #define MARGIN_SPACE 4 /* Redessine l'affichage suite une mise à jour dans la marge. */ void gtk_snippet_update_margin(GRenderingLine *, GtkSnippet *); /* Réclame une nouvelle taille adaptée au contenu présent. */ void gtk_snippet_recompute_size_request(GtkSnippet *); static void gtk_snippet_class_init(GtkSnippetClass *klass); static void gtk_snippet_init(GtkSnippet *cpu); static void gtk_snippet_size_request(GtkWidget *widget, GtkRequisition *requisition); static void gtk_snippet_size_allocate(GtkWidget *widget, GtkAllocation *allocation); static void gtk_snippet_realize(GtkWidget *widget); static gboolean gtk_snippet_button_press(GtkWidget *, GdkEventButton *event); static gboolean gtk_snippet_expose(GtkWidget *widget, GdkEventExpose *event); static void gtk_snippet_paint(GtkSnippet *snippet); static void gtk_snippet_destroy(GtkObject *object); G_DEFINE_TYPE(GtkSnippet, gtk_snippet, GTK_TYPE_WIDGET) GtkWidget * gtk_snippet_new(void) { GtkSnippet *result; result = gtk_type_new(gtk_snippet_get_type()); return GTK_WIDGET(result); } static void gtk_snippet_class_init(GtkSnippetClass *klass) { GtkWidgetClass *widget_class; GtkObjectClass *object_class; widget_class = (GtkWidgetClass *) klass; object_class = (GtkObjectClass *) klass; widget_class->button_press_event = gtk_snippet_button_press; widget_class->realize = gtk_snippet_realize; widget_class->size_request = gtk_snippet_size_request; widget_class->size_allocate = gtk_snippet_size_allocate; widget_class->expose_event = gtk_snippet_expose; object_class->destroy = gtk_snippet_destroy; } static void gtk_snippet_init(GtkSnippet *snippet) { snippet->sel = 0; } static void gtk_snippet_size_request(GtkWidget *widget, GtkRequisition *requisition) { g_return_if_fail(widget != NULL); g_return_if_fail(GTK_IS_SNIPPET(widget)); g_return_if_fail(requisition != NULL); requisition->width = 80; requisition->height = 100; } static void gtk_snippet_size_allocate(GtkWidget *widget, GtkAllocation *allocation) { g_return_if_fail(widget != NULL); g_return_if_fail(GTK_IS_SNIPPET(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_snippet_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_SNIPPET(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_SNIPPET(widget)->layout = gtk_widget_create_pango_layout(widget, NULL); GTK_SNIPPET(widget)->gc = gdk_gc_new(GDK_DRAWABLE(widget->window)); gtk_snippet_build_content(GTK_SNIPPET(widget)); } static gboolean gtk_snippet_button_press(GtkWidget *widget, GdkEventButton *event) { gboolean result; /* Décision à retourner */ GtkSnippet *snippet; /* Composant GTK réel */ gdouble y; /* Position à manipuler */ GRenderingLine *line; /* Ligne de rendu visée */ result = FALSE; snippet = GTK_SNIPPET(widget); y = event->y; line = g_rendering_line_find_by_y(snippet->lines, &y); if (line != NULL) { /* Clic dans la marge */ if (event->type == GDK_BUTTON_PRESS && event->x < (2 * MARGIN_SPACE + snippet->line_height)) { result = TRUE; g_rendering_line_toggle_flag(line, RLF_BREAK_POINT); } } if (result) { /* TODO: regions */ gtk_snippet_paint(snippet); } return result; } /****************************************************************************** * * * Paramètres : line = ligne dont un drapeau a évolué. * * snippet = composant GTK à mettre à jour. * * * * Description : Redessine l'affichage suite une mise à jour dans la marge. * * * * Retour : - * * * * Remarques : - * * * ******************************************************************************/ void gtk_snippet_update_margin(GRenderingLine *line, GtkSnippet *snippet) { gtk_snippet_paint(snippet); } static gboolean gtk_snippet_expose(GtkWidget *widget, GdkEventExpose *event) { g_return_val_if_fail(widget != NULL, FALSE); g_return_val_if_fail(GTK_IS_SNIPPET(widget), FALSE); g_return_val_if_fail(event != NULL, FALSE); gtk_snippet_paint(GTK_SNIPPET(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_snippet_paint(GtkSnippet *snippet) { 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(snippet); gdk_gc_get_values(snippet->gc, &values); gdk_color_white(gtk_widget_get_colormap(widget), &white); gdk_gc_set_foreground(snippet->gc, &white); gtk_widget_get_size_request(widget, &width, &height); gdk_draw_rectangle(GDK_DRAWABLE(widget->window), GTK_SNIPPET(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(snippet->gc, &red); index = 0; iter = pango_layout_get_iter(snippet->layout); #if 0 for (; index < snippet->info_count; index++, pango_layout_iter_next_line(iter)) { if (!snippet->info[index].bp_set) continue; pango_layout_iter_get_line_yrange(iter, &y0, &y1); gdk_draw_arc(GDK_DRAWABLE(widget->window), GTK_SNIPPET(widget)->gc, FALSE, MARGIN_SPACE, y0 / PANGO_SCALE, snippet->line_height - 2, snippet->line_height - 2, 0, 360 * 64); } #endif pango_layout_iter_free(iter); gdk_gc_set_foreground(snippet->gc, &values.foreground); gdk_draw_layout(GDK_DRAWABLE(widget->window), snippet->gc, 2 * MARGIN_SPACE + snippet->line_height, 0, snippet->layout); y0 = 0; for (/* l! */liter = snippet->lines; liter != NULL; liter = g_rendering_line_get_next_iter(snippet->lines, liter)) { g_rendering_line_draw(liter, GDK_DRAWABLE(widget->window), snippet->gc, MARGIN_SPACE, 2 * MARGIN_SPACE + snippet->line_height, y0, snippet->line_height); y0 += snippet->line_height; } } static void gtk_snippet_destroy(GtkObject *object) { GtkSnippet *cpu; GtkSnippetClass *klass; g_return_if_fail(object != NULL); g_return_if_fail(GTK_IS_SNIPPET(object)); cpu = GTK_SNIPPET(object); klass = gtk_type_class(gtk_widget_get_type()); if (GTK_OBJECT_CLASS(klass)->destroy) { (* GTK_OBJECT_CLASS(klass)->destroy) (object); } } /****************************************************************************** * * * Paramètres : snippet = 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_snippet_show_vaddress(GtkSnippet *snippet, gboolean show) { snippet->show_vaddress = show; gtk_snippet_build_content(snippet); } /****************************************************************************** * * * Paramètres : snippet = 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_snippet_show_code(GtkSnippet *snippet, gboolean show) { snippet->show_code = show; gtk_snippet_build_content(snippet); } /****************************************************************************** * * * Paramètres : snippet = composant GTK à mettre à jour. * * format = format du binaire affiché. * * * * Description : Définit le format auquel le contenu est lié. * * * * Retour : - * * * * Remarques : - * * * ******************************************************************************/ void gtk_snippet_set_format(GtkSnippet *snippet, const exe_format *format) { snippet->format = format; } /****************************************************************************** * * * Paramètres : snippet = composant GTK à mettre à jour. * * lines = informations à intégrer. * * * * Description : Définit les lignes du bloc de représentation. * * * * Retour : - * * * * Remarques : - * * * ******************************************************************************/ void gtk_snippet_set_rendering_lines(GtkSnippet *snippet, GRenderingLine *lines) { GRenderingLine *iter; /* Boucle de parcours */ snippet->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_snippet_update_margin), snippet); g_rendering_line_update_bin_len(lines); gtk_snippet_recompute_size_request(snippet); } /****************************************************************************** * * * Paramètres : snippet = composant GTK à mettre à jour. * * * * Description : Réclame une nouvelle taille adaptée au contenu présent. * * * * Retour : - * * * * Remarques : - * * * ******************************************************************************/ void gtk_snippet_recompute_size_request(GtkSnippet *snippet) { int width; /* Largeur de l'objet actuelle */ int height; /* Hauteur de l'objet actuelle */ g_rendering_line_get_size(snippet->lines, &width, &height, &snippet->line_height); gtk_widget_set_size_request(GTK_WIDGET(snippet), width + 2 * MARGIN_SPACE + snippet->line_height, height); } /****************************************************************************** * * * Paramètres : snippet = composant GTK à mettre à jour. * * * * Description : Définit le contenu visuel à partir des infos enregistrées. * * * * Retour : - * * * * Remarques : - * * * ******************************************************************************/ void gtk_snippet_build_content(GtkSnippet *snippet) { #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 (snippet->show_code) { exe_content = get_exe_content(snippet->format, NULL); max_bin_len = 1; for (i = 0; i < snippet->info_count; i++) { /* Commentaire uniquement */ if (snippet->info[i].instr == NULL) continue; get_asm_instr_offset_and_length(snippet->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("") + 1; content = (char *)calloc(content_len, sizeof(char)); strcpy(content, ""); mode = ADM_32BITS; /* FIXME */ for (i = 0; i < snippet->info_count; i++) { if (i > 0) { content = (char *)realloc(content, ++content_len * sizeof(char)); strcat(content, "\n"); } /* Eventuelle adresse virtuelle */ if (snippet->show_vaddress) { switch (mode) { case ADM_32BITS: snprintf(buffer, CONTENT_BUFFER_LEN, "0x%08llx", snippet->info[i].offset); break; case ADM_64BITS: snprintf(buffer, CONTENT_BUFFER_LEN, "0x%16llx", snippet->info[i].offset); break; } content_len += strlen(buffer); content = (char *)realloc(content, content_len * sizeof(char)); strcat(content, buffer); } /* Eventuel code brut */ if (snippet->show_code) { k = 0; if (snippet->info[i].instr != NULL) { get_asm_instr_offset_and_length(snippet->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 (snippet->show_vaddress) content_len += strlen("\t"); content_len += strlen(bin_code); content = (char *)realloc(content, content_len * sizeof(char)); if (snippet->show_vaddress) strcat(content, "\t"); strcat(content, bin_code); } /* Eventuelle instruction */ if (snippet->info[i].instr != NULL) { print_hinstruction(snippet->proc, snippet->format, snippet->info[i].instr, buffer, CONTENT_BUFFER_LEN, ASX_INTEL); if (snippet->show_vaddress || snippet->show_code) content_len += strlen("\t"); content_len += strlen(buffer); content = (char *)realloc(content, content_len * sizeof(char)); if (snippet->show_vaddress || snippet->show_code) strcat(content, "\t"); strcat(content, buffer); } /* Eventuel commantaire */ if (snippet->info[i].comment != NULL) { if (snippet->show_vaddress || snippet->show_code) content_len += strlen("\t"); content_len += strlen("; ") + strlen(snippet->info[i].comment) + strlen(""); content = (char *)realloc(content, content_len * sizeof(char)); if (snippet->show_vaddress || snippet->show_code) strcat(content, "\t"); strcat(content, "; "); strcat(content, snippet->info[i].comment); strcat(content, ""); } } content_len += strlen(""); content = (char *)realloc(content, content_len * sizeof(char)); strcat(content, ""); if (snippet->show_code) free(bin_code); pango_layout_set_markup(snippet->layout, content, content_len - 1); pango_layout_get_pixel_size(snippet->layout, &width, &height); snippet->line_height = 0; iter = pango_layout_get_iter(snippet->layout); do { pango_layout_iter_get_line_yrange(iter, &y0, &y1); snippet->line_height = MAX(snippet->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(snippet), width + 2 * MARGIN_SPACE + snippet->line_height, height); #endif } /****************************************************************************** * * * Paramètres : snippet = 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_snippet_get_address_vposition(GtkSnippet *snippet, uint64_t address, gint *position) { unsigned int i; /* Boucle de parcours */ *position = 0; #if 0 for (i = 0; i < snippet->info_count; i++) { if (snippet->info[i].offset == address) break; else *position += snippet->line_height; } #endif return false;//(i < snippet->info_count); }