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path: root/src/analysis/disass/output.c
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/* Chrysalide - Outil d'analyse de fichiers binaires
 * output.h - prototypes pour l'impression des instructions désassemblées
 *
 * Copyright (C) 2010-2013 Cyrille Bagard
 *
 *  This file is part of Chrysalide.
 *
 *  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 "output.h"


#include <i18n.h>


#include "../../arch/processor.h"
#include "../../common/extstr.h"
#include "../../decomp/lang/asm.h"
#include "../../format/format.h"
#include "../../gui/panels/log.h"



/******************************************************************************
*                                                                             *
*  Paramètres  : buffer    = tampon de récueil des résultats d'impression.    *
*                format    = format du binaire traité.                        *
*                instrs    = ensemble d'instructions à traiter.               *
*                routines  = liste de routines intervenant dans le flot.      *
*                count     = quantité de ces routines.                        *
*                statusbar = barre de statut avec progression à mettre à jour.*
*                id        = identifiant du message affiché à l'utilisateur.  *
*                                                                             *
*  Description : Transcrit du code désassemblé en texte humainement lisible.  *
*                                                                             *
*  Retour      : -                                                            *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

void print_disassembled_instructions(GCodeBuffer *buffer, const GExeFormat *format, GArchProcessor *proc, const GArchInstruction *instrs, GBinRoutine * const *routines, size_t count, GtkExtStatusBar *statusbar, bstatus_id_t id)
{
    GLangOutput *output;                    /* Modèle de sortie adéquat    */
    GPortionLayer *layer;                   /* Couche première de portions */
    GBinPortion **portions;                 /* Morceaux d'encadrement      */
    size_t portions_count;                  /* Taille de cette liste       */
    size_t portion_index;                   /* Prochaine portion à traiter */
    GBinSymbol **symbols;                   /* Symboles à représenter      */
    size_t sym_count;                       /* Qté de symboles présents    */
    size_t sym_index;                       /* Prochain symbole non traité */

    //GArchProcessor *proc;                   /* Architecture du binaire     */
    MemoryDataSize msize;                   /* Taille du bus d'adresses    */
    const GBinContent *content;             /* Contenu binaire global      */

#if 0
    const mrange_t *range;                  /* Cou

    vmpa_t start;                           /* Adresse de départ           */
    vmpa_t end;                             /* Adresse de fin              */
#endif

    const GArchInstruction *iter;           /* Boucle de parcours #1       */
    size_t i;                               /* Boucle de parcours #2       */
    const vmpa2t *iaddr;                    /* Adresse d'instruction       */
    const vmpa2t *saddr;                    /* Adresse de symbole          */

    GBufferLine *line;


    const vmpa2t *paddr;                    /* Adresse de portion          */

    int compared;                           /* Bilan d'une comparaison     */

    const char *label;                      /* Etiquette ciblant un symbole*/
    mrange_t range;                         /* Couverture sans surface     */

    GDbComment *comment;                    /* Commentaire à ajouter       */



    const char *text;

    char *prefixed;


    output = g_asm_output_new();

    layer = g_exe_format_get_main_layer(format);

    portions = g_portion_layer_collect_all_portions(layer, &portions_count);
    portion_index = 0;

    symbols = g_binary_format_get_symbols(G_BIN_FORMAT(format), &sym_count);
    sym_index = 0;

#if 0
	for (i = 0; i < sym_count; i++)
	{
		saddr = get_mrange_addr(g_binary_symbol_get_range(symbols[i]));
		if (saddr == NULL) continue;

		//if (g_binary_symbol_get_label(symbols[i]) == NULL) continue;

		printf(" <symbol> '%s' -> 0x%08lx\n",
			   "g_binary_symbol_get_label(symbols[i])",
			   saddr->virtual);

	}
#endif
    //GDbCollection *g_loaded_binary_find_collection(GLoadedBinary *, DBFeatures);




    //proc = get_arch_processor_from_format(format);
    msize = g_arch_processor_get_memory_size(proc);

    content = g_binary_format_get_content(G_BIN_FORMAT(format));

#if 0
    g_arch_instruction_get_location(instrs, NULL, NULL, &start);
    start = 

    iter = g_arch_instruction_find_last(instrs);
    g_arch_instruction_get_location(iter, NULL, NULL, &end);
#endif

    for (iter = instrs, i = 0;
         iter != NULL;
         iter = g_arch_instruction_get_next_iter(instrs, iter, VMPA_MAX))
    {
#if 0
        g_arch_instruction_get_location(iter, NULL, NULL, &iaddr);

        /* Ajout des prototypes de fonction */
        for (; i < count; i++)
        {
            raddr = g_binary_routine_get_address(routines[i]);
            if (raddr > iaddr) break;

            g_binary_routine_output_info(routines[i], output, buffer);

        }
#endif


        iaddr = get_mrange_addr(g_arch_instruction_get_range(iter));

        while (portion_index < portions_count)
        {
            paddr = get_mrange_addr(g_binary_portion_get_range(portions[portion_index]));

            if (cmp_vmpa_by_phy(iaddr, paddr) != 0)
                break;

            g_binary_portion_print(portions[portion_index], buffer, msize);

            portion_index++;

        }





        if (sym_index < sym_count)
        {
            iaddr = get_mrange_addr(g_arch_instruction_get_range(iter));
            saddr = get_mrange_addr(g_binary_symbol_get_range(symbols[sym_index]));

            /* On écarte les symboles qu'on ne sait pas réintroduire */
            for (compared = cmp_vmpa(iaddr, saddr);
                 compared > 0;
                 compared = cmp_vmpa(iaddr, saddr))
            {
                log_variadic_message(LMT_BAD_BINARY,
                                     _("Unable to find a proper location for symbol '%s' @ 0x%08x"),
                                     g_binary_symbol_get_label(symbols[sym_index]), get_virt_addr(saddr));

                if (++sym_index == sym_count)
                    goto no_more_symbol_finally;

                saddr = get_mrange_addr(g_binary_symbol_get_range(symbols[sym_index]));

            }

            if (compared == 0)
            {
                /* Etiquette ? */

                label = g_binary_symbol_get_label(symbols[sym_index]);

                if (label != NULL)
                {
                    init_mrange(&range, get_mrange_addr(g_binary_symbol_get_range(symbols[sym_index])), 0);

                    line = g_code_buffer_append_new_line(buffer, &range);
                    g_buffer_line_fill_mrange(line, msize, msize);

                    g_buffer_line_start_merge_at(line, BLC_ASSEMBLY_HEAD);
                    g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, label, strlen(label), RTT_LABEL);
                    g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, ":", 1, RTT_PUNCT);


                }

            }

        }

 no_more_symbol_finally:



        line = g_arch_instruction_print(iter, buffer, msize, content, ASX_INTEL);

        if (sym_index < sym_count)
        {
            iaddr = get_mrange_addr(g_arch_instruction_get_range(iter));
            saddr = get_mrange_addr(g_binary_symbol_get_range(symbols[sym_index]));

            if (cmp_vmpa(iaddr, saddr) == 0)
            {
                /* Point d'entrée ? */

                if (g_binary_symbol_get_target_type(symbols[sym_index]) == STP_ENTRY_POINT)
                    g_buffer_line_add_flag(line, BLF_ENTRYPOINT);

                /* Début d'un groupe bien cohérent avec les alignements ? */

                switch (g_binary_symbol_get_target_type(symbols[sym_index]))
                {
                    case STP_ROUTINE:
                    case STP_OBJECT:
                    case STP_FUNCTION:
                    case STP_ENTRY_POINT:
                    case STP_STRING:
                    case STP_RO_STRING:
                        g_buffer_line_add_flag(line, BLF_WIDTH_MANAGER);
                        break;

                    default:
                        break;

                }

                /* Commentaire ? */

                comment = g_binary_symbol_get_comment(symbols[sym_index]);

                if (comment != NULL)
                {

                    text = g_db_comment_get_text(comment);


                    prefixed = strdup("; ");
                    prefixed = stradd(prefixed, text);



                    g_buffer_line_insert_text(line, BLC_COMMENTS, prefixed, strlen(prefixed), RTT_COMMENT);


                    free(prefixed);

                }

                sym_index++;

            }

        }


        //gtk_extended_status_bar_update_activity(statusbar, id, (iaddr - start) * 1.0 / (end - start));

    }

    g_object_unref(G_OBJECT(content));

    if (portions != NULL)
        free(portions);

    g_object_unref(G_OBJECT(layer));

    g_object_unref(G_OBJECT(output));

}