/* Chrysalide - Outil d'analyse de fichiers binaires
* output.h - prototypes pour l'impression des instructions désassemblées
*
* Copyright (C) 2010-2017 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide 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.
*
* Chrysalide 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 "output.h"
#include
#include "../../format/format.h"
#include "../../glibext/generators/rborder.h"
#include "../../gui/panels/log.h"
/******************************************************************************
* *
* Paramètres : cache = tampon de récueil des résultats d'impression. *
* lang = langage de haut niveau préféré pour l'impression. *
* binary = tampon de récueil des résultats d'impression. *
* status = barre de statut avec progression à mettre à jour. *
* *
* Description : Transcrit du code désassemblé en texte humainement lisible. *
* *
* Retour : - *
* *
* Remarques : - *
* *
******************************************************************************/
void print_disassembled_instructions(GBufferCache *cache, GCodingLanguage *lang, GLoadedBinary *binary, GtkStatusStack *status)
{
GExeFormat *format; /* Format associé au binaire */
GArchProcessor *proc; /* Processeur de l'architecture*/
GBinPortion *root; /* 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 */
MemoryDataSize msize; /* Taille du bus d'adresses */
const GBinContent *content; /* Contenu binaire global */
size_t count; /* Nombre total d'instructions */
activity_id_t id; /* Identifiant de progression */
bool expect_outro; /* Fin de zone de code définie */
size_t i; /* Boucle de parcours */
GArchInstruction *instr; /* Instruction à traiter */
const vmpa2t *iaddr; /* Adresse d'instruction */
GBorderGenerator *border; /* Délimitation de routine */
const vmpa2t *paddr; /* Adresse de portion */
GLineGenerator *generator; /* Générateur de contenu ajouté*/
const vmpa2t *saddr; /* Adresse de symbole */
int compared; /* Bilan d'une comparaison */
SymbolType stype; /* Type de symbole trouvé */
vmpa2t intro_addr; /* Adresse de début de code */
vmpa2t outro_addr; /* Adresse de fin de code */
BufferLineFlags flags; /* Propriétés pour la ligne */
//mrange_t range; /* Couverture sans surface */
GDbComment *comment; /* Commentaire à ajouter */
unsigned int _missing = 0;
format = g_loaded_binary_get_format(binary);
proc = g_loaded_binary_get_processor(binary);
bool collect_all_portions(GBinPortion *portion, GBinPortion *parent, BinaryPortionVisit visit, void *unused)
{
if (visit == BPV_ENTER || visit == BPV_SHOW)
{
portions = (GBinPortion **)realloc(portions, ++portions_count * sizeof(GBinPortion *));
portions[portions_count - 1] = portion;
}
return true;
}
portions = NULL;
portions_count = 0;
portion_index = 0;
root = g_exe_format_get_portions(format);
g_binary_portion_visit(root, (visit_portion_fc)collect_all_portions, NULL);
g_object_unref(G_OBJECT(root));
symbols = g_binary_format_get_symbols(G_BIN_FORMAT(format), &sym_count);
sym_index = 0;
msize = g_arch_processor_get_memory_size(proc);
content = g_binary_format_get_content(G_BIN_FORMAT(format));
g_arch_processor_lock(proc);
count = g_arch_processor_count_instructions(proc);
id = gtk_status_stack_add_activity(status, _("Printing all disassebled parts..."), count);
expect_outro = false;
for (i = 0; i < count; i++)
{
instr = g_arch_processor_get_instruction(proc, i);
iaddr = get_mrange_addr(g_arch_instruction_get_range(instr));
/* Fin d'une portion de code précédente ? */
if (expect_outro && cmp_vmpa(iaddr, &outro_addr) >= 0)
{
expect_outro = false;
border = g_border_generator_new(lang, &outro_addr, false, msize);
g_buffer_cache_append(cache, G_LINE_GENERATOR(border), BLF_NONE);
}
/* Début d'une nouvelle portion ? */
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;
generator = G_LINE_GENERATOR(portions[portion_index]);
/* Si elle comporte une description ! */
if (g_line_generator_count_lines(generator) > 0)
g_buffer_cache_append(cache, generator, BLF_NONE);
portion_index++;
}
/* Début d'un nouveau symbole ? */
if (sym_index == sym_count)
compared = -1;
else
{
iaddr = get_mrange_addr(g_arch_instruction_get_range(instr));
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));
_missing++;
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)
{
/* Coupure pour une nouvelle routine */
stype = g_binary_symbol_get_target_type(symbols[sym_index]);
if (stype == STP_ROUTINE || stype == STP_FUNCTION || stype == STP_ENTRY_POINT)
{
/* Impression de la marque de début */
copy_vmpa(&intro_addr, get_mrange_addr(g_binary_symbol_get_range(symbols[sym_index])));
border = g_border_generator_new(lang, &intro_addr, true, msize);
g_buffer_cache_append(cache, G_LINE_GENERATOR(border), BLF_NONE);
/* Mémorisation de la fin */
compute_mrange_end_addr(g_binary_symbol_get_range(symbols[sym_index]), &outro_addr);
expect_outro = true;
}
/* Etiquette ? */
generator = g_binary_symbol_produce_label(symbols[sym_index]);
if (generator != NULL)
g_buffer_cache_append(cache, generator, BLF_NONE);
}
}
no_more_symbol_finally:
flags = BLF_NONE;
if (compared == 0)
{
/* Point d'entrée ? */
if (g_binary_symbol_get_target_type(symbols[sym_index]) == STP_ENTRY_POINT)
flags |= BLF_ENTRYPOINT;
/* Début d'un groupe bien cohérent avec les alignements ? */
if (g_binary_symbol_is_block_start(symbols[sym_index]))
flags |= BLF_WIDTH_MANAGER;
}
g_buffer_cache_append(cache, G_LINE_GENERATOR(instr), flags);
if (compared == 0)
{
/* Commentaire ? */
comment = g_binary_symbol_get_comment(symbols[sym_index]);
if (comment != NULL)
g_db_item_apply(G_DB_ITEM(comment), binary);
sym_index++;
}
g_object_unref(G_OBJECT(instr));
gtk_status_stack_update_activity_value(status, id, 1);
}
gtk_status_stack_remove_activity(status, id);
g_arch_processor_unlock(proc);
g_object_unref(G_OBJECT(content));
if (portions != NULL)
free(portions);
g_object_unref(G_OBJECT(proc));
g_object_unref(G_OBJECT(format));
fprintf(stderr, "MISSING :: %u symbols\n", _missing);
}