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lxdream.org :: lxdream/src/gtkui/debug_win.c
lxdream 0.9.1
released Jun 29
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filename src/gtkui/debug_win.c
changeset 586:2a3ba82cf243
prev543:361ec0a70cf2
next669:ab344e42bca9
author nkeynes
date Fri Mar 28 12:32:25 2008 +0000 (12 years ago)
permissions -rw-r--r--
last change Merge lxdream-render branch (643:670) to trunk
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     1 /**
     2  * $Id$
     3  * This file is responsible for the main debugger gui frame.
     4  *
     5  * Copyright (c) 2005 Nathan Keynes.
     6  *
     7  * This program is free software; you can redistribute it and/or modify
     8  * it under the terms of the GNU General Public License as published by
     9  * the Free Software Foundation; either version 2 of the License, or
    10  * (at your option) any later version.
    11  *
    12  * This program is distributed in the hope that it will be useful,
    13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    15  * GNU General Public License for more details.
    16  */
    17 #include <stdlib.h>
    18 #include <stdarg.h>
    19 #include <stdio.h>
    20 #include <string.h>
    21 #include <math.h>
    22 #include <glib/gi18n.h>
    23 #include <gdk/gdkkeysyms.h>
    24 #include "mem.h"
    25 #include "cpu.h"
    26 #include "gtkui/gtkui.h"
    27 #include "sh4/sh4dasm.h"
    28 #include "aica/armdasm.h"
    30 GdkColor *msg_colors[] = { &gui_colour_error, &gui_colour_error, &gui_colour_warn, 
    31 			   &gui_colour_normal,&gui_colour_debug, &gui_colour_trace };
    33 const cpu_desc_t cpu_list[4] = { &sh4_cpu_desc, &arm_cpu_desc, &armt_cpu_desc, NULL };
    35 void init_register_list( debug_window_t data );
    36 uint32_t row_to_address( debug_window_t data, int row );
    37 int address_to_row( debug_window_t data, uint32_t address );
    38 void set_disassembly_pc( debug_window_t data, unsigned int pc, gboolean select );
    39 void set_disassembly_region( debug_window_t data, unsigned int page );
    40 void set_disassembly_cpu( debug_window_t data, const gchar *cpu );
    42 void on_mode_field_changed ( GtkEditable *editable, gpointer user_data);
    43 gboolean on_page_field_key_press_event( GtkWidget * widget, GdkEventKey *event,
    44                                         gpointer user_data);
    45 void on_jump_pc_btn_clicked( GtkButton *button, gpointer user_data);
    46 void on_disasm_list_select_row (GtkCList *clist, gint row, gint column,
    47 				GdkEvent *event, gpointer user_data);
    48 void on_disasm_list_unselect_row (GtkCList *clist, gint row, gint column,
    49 				  GdkEvent *event, gpointer user_data);
    50 gboolean on_debug_delete_event(GtkWidget *widget, GdkEvent event, gpointer user_data);
    52 struct debug_window_info {
    53     int disasm_from;
    54     int disasm_to;
    55     int disasm_pc;
    56     const struct cpu_desc_struct *cpu;
    57     const cpu_desc_t *cpu_list;
    58     GtkCList *regs_list;
    59     GtkCList *disasm_list;
    60     GtkEntry *page_field;
    61     GtkWidget *window;
    62     GtkWidget *statusbar;
    63     char saved_regs[0];
    64 };
    66 debug_window_t debug_window_new( const gchar *title, GtkWidget *menubar, 
    67 				 GtkWidget *toolbar, GtkAccelGroup *accel_group )
    68 {
    69     debug_window_t data = g_malloc0( sizeof(struct debug_window_info) + cpu_list[0]->regs_size );
    70         GtkWidget *vbox;
    72     data->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    73     gtk_window_set_default_size (GTK_WINDOW (data->window), 700, 480);
    74     gtk_window_set_title( GTK_WINDOW(data->window), title );
    75     gtk_window_add_accel_group (GTK_WINDOW (data->window), accel_group);
    77     gtk_toolbar_set_style( GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS );
    79     data->statusbar = gtk_statusbar_new();
    81     GtkWidget *hpaned = gtk_hpaned_new ();
    82     gtk_paned_set_position (GTK_PANED (hpaned), 500);
    84     GtkWidget *disasm_box = gtk_vbox_new(FALSE,0);
    85     gtk_paned_pack1 (GTK_PANED (hpaned), disasm_box, TRUE, TRUE);
    87     GtkWidget *hbox1 = gtk_hbox_new (FALSE, 0);
    88     gtk_box_pack_start (GTK_BOX (disasm_box), hbox1, FALSE, FALSE, 3);
    89     gtk_box_pack_start (GTK_BOX (hbox1), gtk_label_new (_("Page")), FALSE, FALSE, 4);
    91     data->page_field = GTK_ENTRY(gtk_entry_new ());
    92     gtk_box_pack_start (GTK_BOX (hbox1), GTK_WIDGET(data->page_field), FALSE, TRUE, 0);
    94     GtkWidget *jump_pc_btn = gtk_button_new_with_mnemonic (_(" Jump to PC "));
    95     gtk_box_pack_start (GTK_BOX (hbox1), jump_pc_btn, FALSE, FALSE, 4);
    97     gtk_box_pack_start (GTK_BOX (hbox1), gtk_label_new(_("Mode")), FALSE, FALSE, 5);
    99     GtkWidget *mode_box = gtk_combo_new ();
   100     gtk_box_pack_start (GTK_BOX (hbox1), mode_box, FALSE, FALSE, 0);
   101     GList *mode_box_items = NULL;
   102     mode_box_items = g_list_append (mode_box_items, (gpointer) _("SH4"));
   103     mode_box_items = g_list_append (mode_box_items, (gpointer) _("ARM7"));
   104     mode_box_items = g_list_append (mode_box_items, (gpointer) _("ARM7T"));
   105     gtk_combo_set_popdown_strings (GTK_COMBO (mode_box), mode_box_items);
   106     g_list_free (mode_box_items);
   108     GtkWidget *mode_field = GTK_COMBO (mode_box)->entry;
   109     gtk_editable_set_editable (GTK_EDITABLE (mode_field), FALSE);
   111     GtkWidget *disasm_scroll = gtk_scrolled_window_new (NULL, NULL);
   112     gtk_box_pack_start (GTK_BOX (disasm_box), disasm_scroll, TRUE, TRUE, 0);
   113     gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (disasm_scroll), GTK_SHADOW_IN);
   114     data->disasm_list = GTK_CLIST(gtk_clist_new (4));
   115     gtk_clist_set_column_width (GTK_CLIST (data->disasm_list), 0, 80);
   116     gtk_clist_set_column_width (GTK_CLIST (data->disasm_list), 2, 80);
   117     gtk_clist_set_column_width (GTK_CLIST (data->disasm_list), 3, 80);
   118     gtk_clist_set_column_width( data->disasm_list, 1, 16 );
   119     gtk_clist_column_titles_hide (GTK_CLIST (data->disasm_list));
   120     gtk_container_add (GTK_CONTAINER (disasm_scroll), GTK_WIDGET(data->disasm_list));
   122     GtkWidget *reg_scroll = gtk_scrolled_window_new (NULL, NULL);
   123     gtk_paned_pack2 (GTK_PANED (hpaned), reg_scroll, FALSE, TRUE);
   124     gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (reg_scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
   125     gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (reg_scroll), GTK_SHADOW_IN);
   127     data->regs_list = GTK_CLIST(gtk_clist_new (2));
   128     gtk_container_add (GTK_CONTAINER (reg_scroll), GTK_WIDGET(data->regs_list));
   129     gtk_clist_set_column_width (GTK_CLIST (data->regs_list), 0, 80);
   130     gtk_clist_set_column_width (GTK_CLIST (data->regs_list), 1, 80);
   131     gtk_clist_column_titles_hide (GTK_CLIST (data->regs_list));
   132     gtk_widget_modify_font( GTK_WIDGET(data->regs_list), gui_fixed_font );
   134     vbox = gtk_vbox_new(FALSE, 0);
   135     gtk_container_add( GTK_CONTAINER(data->window), vbox );
   136     gtk_box_pack_start( GTK_BOX(vbox), menubar, FALSE, FALSE, 0 );
   137     gtk_box_pack_start( GTK_BOX(vbox), toolbar, FALSE, FALSE, 0 );
   138     gtk_box_pack_start( GTK_BOX(vbox), hpaned, TRUE, TRUE, 0 );
   139     gtk_box_pack_start( GTK_BOX(vbox), data->statusbar, FALSE, FALSE, 0 );
   141     g_signal_connect ((gpointer) data->page_field, "key_press_event",
   142 		      G_CALLBACK (on_page_field_key_press_event),
   143 		      data);
   144     g_signal_connect ((gpointer) jump_pc_btn, "clicked",
   145 		      G_CALLBACK (on_jump_pc_btn_clicked),
   146 		      data);
   147     g_signal_connect ((gpointer) mode_field, "changed",
   148 		      G_CALLBACK (on_mode_field_changed),
   149 		      data);
   150     g_signal_connect ((gpointer) data->disasm_list, "select_row",
   151 		      G_CALLBACK (on_disasm_list_select_row),
   152 		      data);
   153     g_signal_connect ((gpointer) data->disasm_list, "unselect_row",
   154 		      G_CALLBACK (on_disasm_list_unselect_row),
   155 		      data);
   156     g_signal_connect ((gpointer) data->window, "delete_event",
   157 		      G_CALLBACK (on_debug_delete_event),
   158 		      data);
   160     data->disasm_from = -1;
   161     data->disasm_to = -1;
   162     data->disasm_pc = -1;
   163     data->cpu = cpu_list[0];
   164     data->cpu_list = cpu_list;
   166     init_register_list( data );
   167     gtk_object_set_data( GTK_OBJECT(data->window), "debug_data", data );
   168     set_disassembly_pc( data, *data->cpu->pc, FALSE );
   169     debug_window_set_running( data, FALSE );
   171     gtk_widget_show_all( data->window );
   172     return data;
   173 }
   175 void debug_window_show( debug_window_t data, gboolean show )
   176 {
   177     if( show ) {
   178 	gtk_widget_show( data->window );
   179     } else {
   180 	gtk_widget_hide( data->window );
   181     }
   182 }
   184 int debug_window_get_selected_row( debug_window_t data )
   185 {
   186     if( data->disasm_list->selection == NULL ) {
   187 	return -1;
   188     } else {
   189 	return GPOINTER_TO_INT(data->disasm_list->selection->data);
   190     }
   191 }
   193 void init_register_list( debug_window_t data ) 
   194 {
   195     int i;
   196     char buf[20];
   197     char *arr[2];
   199     gtk_clist_clear( data->regs_list );
   200     arr[1] = buf;
   201     for( i=0; data->cpu->regs_info[i].name != NULL; i++ ) {
   202         arr[0] = data->cpu->regs_info[i].name;
   203         if( data->cpu->regs_info->type == REG_INT )
   204             sprintf( buf, "%08X", *((uint32_t *)data->cpu->regs_info[i].value) );
   205         else
   206             sprintf( buf, "%f", *((float *)data->cpu->regs_info[i].value) );
   207         gtk_clist_append( data->regs_list, arr );
   208     }
   209 }
   211 /*
   212  * Check for changed registers and update the display
   213  */
   214 void debug_window_update( debug_window_t data )
   215 {
   216     int i;
   217     for( i=0; data->cpu->regs_info[i].name != NULL; i++ ) {
   218         if( data->cpu->regs_info[i].type == REG_INT ) {
   219             /* Yes this _is_ probably fairly evil */
   220             if( *((uint32_t *)data->cpu->regs_info[i].value) !=
   221                 *((uint32_t *)((char *)data->saved_regs + ((char *)data->cpu->regs_info[i].value - (char *)data->cpu->regs))) ) {
   222                 char buf[20];
   223                 sprintf( buf, "%08X", *((uint32_t *)data->cpu->regs_info[i].value) );
   224                 gtk_clist_set_text( data->regs_list, i, 1, buf );
   225                 gtk_clist_set_foreground( data->regs_list, i, &gui_colour_changed );
   226             } else {
   227                 gtk_clist_set_foreground( data->regs_list, i, &gui_colour_normal );
   228             }
   229         } else {
   230             if( *((float *)data->cpu->regs_info[i].value) !=
   231                 *((float *)((char *)data->saved_regs + ((char *)data->cpu->regs_info[i].value - (char *)data->cpu->regs))) ) {
   232                 char buf[20];
   233                 sprintf( buf, "%f", *((float *)data->cpu->regs_info[i].value) );
   234                 gtk_clist_set_text( data->regs_list, i, 1, buf );
   235                 gtk_clist_set_foreground( data->regs_list, i, &gui_colour_changed );
   236             } else {
   237                 gtk_clist_set_foreground( data->regs_list, i, &gui_colour_normal );
   238             }
   239         }
   240     }
   242     set_disassembly_pc( data, *data->cpu->pc, TRUE );
   243     memcpy( data->saved_regs, data->cpu->regs, data->cpu->regs_size );
   244 }
   246 void set_disassembly_region( debug_window_t data, unsigned int page )
   247 {
   248     uint32_t i, posn, next;
   249     char buf[80];
   250     char addr[10];
   251     char opcode[16] = "";
   252     char *arr[4] = { addr, " ", opcode, buf };
   253     unsigned int from = page & 0xFFFFF000;
   254     unsigned int to = from + 4096;
   256     gtk_clist_clear(data->disasm_list);
   258     sprintf( addr, "%08X", from );
   259     gtk_entry_set_text( data->page_field, addr );
   261     if( !data->cpu->is_valid_page_func( from ) ) {
   262         arr[3] = _("This page is currently unmapped");
   263         gtk_clist_append( data->disasm_list, arr );
   264         gtk_clist_set_foreground( data->disasm_list, 0, &gui_colour_error );
   265     } else {
   266         for( i=from; i<to; i = next ) {
   267 	    next = data->cpu->disasm_func( i, buf, sizeof(buf), opcode );
   268             sprintf( addr, "%08X", i );
   269             posn = gtk_clist_append( data->disasm_list, arr );
   270             if( buf[0] == '?' )
   271                 gtk_clist_set_foreground( data->disasm_list, posn, &gui_colour_warn );
   272 	    if( data->cpu->get_breakpoint != NULL ) {
   273 		int type = data->cpu->get_breakpoint( i );
   274 		switch(type) {
   275 		case BREAK_ONESHOT:
   276 		    gtk_clist_set_background( data->disasm_list, posn, &gui_colour_temp_break );
   277 		    break;
   278 		case BREAK_KEEP:
   279 		    gtk_clist_set_background( data->disasm_list, posn, &gui_colour_break );
   280 		    break;
   281 		}
   282 	    }
   283         }
   284         if( data->disasm_pc != -1 && data->disasm_pc >= from && data->disasm_pc < to )
   285             gtk_clist_set_foreground( data->disasm_list, address_to_row(data, data->disasm_pc),
   286                                       &gui_colour_pc );
   287     }
   289     if( page != from ) { /* not a page boundary */
   290         gtk_clist_moveto( data->disasm_list, (page-from)>>1, 0, 0.5, 0.0 );
   291     }
   292     data->disasm_from = from;
   293     data->disasm_to = to;
   294 }
   296 void jump_to_disassembly( debug_window_t data, unsigned int addr, gboolean select )
   297 {
   298     int row;
   300     if( addr < data->disasm_from || addr >= data->disasm_to )
   301         set_disassembly_region(data,addr);
   303     row = address_to_row( data, addr );
   304     if(select) {
   305         gtk_clist_select_row( data->disasm_list, row, 0 );
   306     }
   307     if( gtk_clist_row_is_visible( data->disasm_list, row ) != GTK_VISIBILITY_FULL ){
   308         gtk_clist_moveto( data->disasm_list, row, 0, 0.5, 0.0 );
   309     }
   310 }
   312 void jump_to_pc( debug_window_t data, gboolean select )
   313 {
   314     jump_to_disassembly( data, *data->cpu->pc, select );
   315 }
   317 void set_disassembly_pc( debug_window_t data, unsigned int pc, gboolean select )
   318 {
   319     int row;
   321     jump_to_disassembly( data, pc, select );
   322     if( data->disasm_pc != -1 && data->disasm_pc >= data->disasm_from && 
   323 	data->disasm_pc < data->disasm_to )
   324         gtk_clist_set_foreground( data->disasm_list, 
   325 				  (data->disasm_pc - data->disasm_from) / data->cpu->instr_size,
   326                                   &gui_colour_normal );
   327     row = address_to_row( data, pc );
   328     gtk_clist_set_foreground( data->disasm_list, row, &gui_colour_pc );
   329     data->disasm_pc = pc;
   330 }
   332 void set_disassembly_cpu( debug_window_t data, const gchar *cpu )
   333 {
   334     int i;
   335     for( i=0; data->cpu_list[i] != NULL; i++ ) {
   336 	if( strcmp( data->cpu_list[i]->name, cpu ) == 0 ) {
   337 	    if( data->cpu != data->cpu_list[i] ) {
   338 		data->cpu = data->cpu_list[i];
   339 		data->disasm_from = data->disasm_to = -1; /* Force reload */
   340 		set_disassembly_pc( data, *data->cpu->pc, FALSE );
   341 		init_register_list( data );
   342 	    }
   343 	    return;
   344 	}
   345     }
   346 }
   348 void debug_window_toggle_breakpoint( debug_window_t data, int row )
   349 {
   350     uint32_t pc = row_to_address( data, row );
   351     int oldType = data->cpu->get_breakpoint( pc );
   352     if( oldType != BREAK_NONE ) {
   353 	data->cpu->clear_breakpoint( pc, oldType );
   354 	gtk_clist_set_background( data->disasm_list, row, &gui_colour_white );
   355     } else {
   356 	data->cpu->set_breakpoint( pc, BREAK_KEEP );
   357 	gtk_clist_set_background( data->disasm_list, row, &gui_colour_break );
   358     }
   359 }
   361 void debug_window_set_oneshot_breakpoint( debug_window_t data, int row )
   362 {
   363     uint32_t pc = row_to_address( data, row );
   364     data->cpu->clear_breakpoint( pc, BREAK_ONESHOT );
   365     data->cpu->set_breakpoint( pc, BREAK_ONESHOT );
   366     gtk_clist_set_background( data->disasm_list, row, &gui_colour_temp_break );
   367 }
   369 /**
   370  * Execute a single instruction using the current CPU mode.
   371  */
   372 void debug_window_single_step( debug_window_t data )
   373 {
   374     data->cpu->step_func();
   375     gtk_gui_update();
   376 }
   378 uint32_t row_to_address( debug_window_t data, int row ) {
   379     return data->cpu->instr_size * row + data->disasm_from;
   380 }
   382 int address_to_row( debug_window_t data, uint32_t address ) {
   383     if( data->disasm_from > address || data->disasm_to <= address )
   384 	return -1;
   385     return (address - data->disasm_from) / data->cpu->instr_size;
   386 }
   388 debug_window_t get_debug_info( GtkWidget *widget ) {
   390     GtkWidget *win = gtk_widget_get_toplevel(widget);
   391     debug_window_t data = (debug_window_t)gtk_object_get_data( GTK_OBJECT(win), "debug_data" );
   392     return data;
   393 }
   395 void debug_window_set_running( debug_window_t data, gboolean isRunning ) 
   396 {
   397     if( data != NULL ) {
   398 	gtk_gui_enable_action( "SingleStep", !isRunning );
   399 	gtk_gui_enable_action( "RunTo", !isRunning && dreamcast_can_run() );
   400     }
   401 }
   403 void on_mode_field_changed ( GtkEditable *editable, gpointer user_data)
   404 {
   405     const gchar *text = gtk_entry_get_text( GTK_ENTRY(editable) );
   406     set_disassembly_cpu( gtk_gui_get_debugger(), text );
   407 }
   410 gboolean on_page_field_key_press_event( GtkWidget * widget, GdkEventKey *event,
   411                                         gpointer user_data)
   412 {
   413     if( event->keyval == GDK_Return || event->keyval == GDK_Linefeed ) {
   414 	debug_window_t data = get_debug_info(widget);
   415         const gchar *text = gtk_entry_get_text( GTK_ENTRY(widget) );
   416         gchar *endptr;
   417         unsigned int val = strtoul( text, &endptr, 16 );
   418         if( text == endptr ) { /* invalid input */
   419             char buf[10];
   420             sprintf( buf, "%08X", row_to_address(data,0) );
   421             gtk_entry_set_text( GTK_ENTRY(widget), buf );
   422         } else {
   423             set_disassembly_region(data, val);
   424         }
   425     }
   426     return FALSE;
   427 }
   430 void on_jump_pc_btn_clicked( GtkButton *button, gpointer user_data)
   431 {
   432     debug_window_t data = get_debug_info( GTK_WIDGET(button) );
   433     jump_to_pc( data, TRUE );
   434 }
   436 void on_disasm_list_select_row (GtkCList *clist, gint row, gint column,
   437 				GdkEvent *event, gpointer user_data)
   438 {
   439     gtk_gui_enable_action( "SetBreakpoint", TRUE );
   440     gtk_gui_enable_action( "RunTo", dreamcast_can_run() );
   441 }
   443 void on_disasm_list_unselect_row (GtkCList *clist, gint row, gint column,
   444 				  GdkEvent *event, gpointer user_data)
   445 {
   446     gtk_gui_enable_action( "SetBreakpoint", FALSE );
   447     gtk_gui_enable_action( "RunTo", FALSE );
   448 }
   450 gboolean on_debug_delete_event(GtkWidget *widget, GdkEvent event, gpointer user_data)
   451 {
   452     gtk_widget_hide( widget );
   453     return TRUE;
   454 }
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