diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2018-08-06 17:43:08 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2018-08-06 17:43:08 (GMT) |
commit | f1d0462ab0f41ace04d8db02dd8ae3ee37f41a58 (patch) | |
tree | e3d9cf75f0adf14f73ca8f62e81fececd60e744e /src/analysis | |
parent | e59544bb61b0043d82946918ece144cae2749d53 (diff) |
Allowed to add or remove instructions once a binary analysis is over.
Diffstat (limited to 'src/analysis')
-rw-r--r-- | src/analysis/binary.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/analysis/binary.c b/src/analysis/binary.c index c4f05f3..db3f509 100644 --- a/src/analysis/binary.c +++ b/src/analysis/binary.c @@ -51,6 +51,7 @@ #include "../core/params.h" #include "../core/processors.h" //#include "../glibext/chrysamarshal.h" +#include "../glibext/gbinarycursor.h" #include "../glibext/gloadedpanel.h" #include "../gtkext/easygtk.h" #include "../gtkext/gtkblockdisplay.h" @@ -159,6 +160,9 @@ static const char *g_loaded_binary_get_format_name(const GLoadedBinary *); /* Assure le désassemblage en différé. */ static bool g_loaded_binary_analyze(GLoadedBinary *, wgroup_id_t, GtkStatusStack *); +/* Prend note d'une variation des instructions désassemblées. */ +static void on_binary_processor_changed(GArchProcessor *, GArchInstruction *, gboolean, GLoadedBinary *); + /* Fournit le désignation associée à l'élément chargé. */ static const char *g_loaded_binary_describe(const GLoadedBinary *, bool); @@ -1558,6 +1562,8 @@ static bool g_loaded_binary_analyze(GLoadedBinary *binary, wgroup_id_t gid, GtkS goto glba_exit; } + g_signal_connect(binary->proc, "changed", G_CALLBACK(on_binary_processor_changed), binary); + has_virt = g_arch_processor_has_virtual_space(binary->proc); g_display_options_set(binary->options[BVW_BLOCK], BLC_VIRTUAL, has_virt); @@ -1594,6 +1600,105 @@ static bool g_loaded_binary_analyze(GLoadedBinary *binary, wgroup_id_t gid, GtkS /****************************************************************************** * * +* Paramètres : proc = processeur dont l'ensemble des instructions a varié.* +* instr = instruction à l'origine de la procédure. * +* added = précise s'il s'agit d'un ajout ou d'un retrait. * +* binary = élément chargé à consulter. * +* * +* Description : Prend note d'une variation des instructions désassemblées. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +static void on_binary_processor_changed(GArchProcessor *proc, GArchInstruction *instr, gboolean added, GLoadedBinary *binary) +{ + const mrange_t *range; /* Emplacement de l'instruction*/ + BufferLineFlags flags; /* Propriétés pour la ligne */ + GBinSymbol *symbol; /* Symbole présent à l'adresse */ + SymbolType stype; /* Type de symbole rencontré */ + instr_iter_t *iter; /* Boucle de parcours */ + GArchInstruction *next; /* Instruction suivante */ + GLineCursor *cursor; /* Emplacement dans un tampon */ + size_t index; /* Indice de ligne à traiter */ + + if (binary->disass_cache != NULL) + { + range = g_arch_instruction_get_range(instr); + + if (added) + { + flags = BLF_NONE; + + if (g_binary_format_find_symbol_at(G_BIN_FORMAT(binary->format), get_mrange_addr(range), &symbol)) + { + /** + * Pour le choix des fanions, se référer au code similaire de + * la fonction print_disassembled_instructions(). + */ + + stype = g_binary_symbol_get_target_type(symbol); + + if (stype == STP_ENTRY_POINT) + flags |= BLF_ENTRYPOINT; + + if (stype != STP_DYN_STRING) + flags |= BLF_WIDTH_MANAGER; + + g_object_unref(G_OBJECT(symbol)); + + } + + iter = g_arch_processor_get_iter_from_address(proc, get_mrange_addr(range)); + + next = get_instruction_iterator_next(iter); + + delete_instruction_iterator(iter); + + if (next == NULL) + g_buffer_cache_append(binary->disass_cache, G_LINE_GENERATOR(instr), flags); + + else + { + range = g_arch_instruction_get_range(next); + + cursor = g_binary_cursor_new(); + g_binary_cursor_update(G_BINARY_CURSOR(cursor), get_mrange_addr(range)); + + index = g_buffer_cache_find_index_by_cursor(binary->disass_cache, cursor, true); + + g_object_unref(G_OBJECT(cursor)); + + g_object_unref(G_OBJECT(next)); + + g_buffer_cache_insert_at(binary->disass_cache, index, G_LINE_GENERATOR(instr), flags, true, false); + + } + + } + + else + { + cursor = g_binary_cursor_new(); + g_binary_cursor_update(G_BINARY_CURSOR(cursor), get_mrange_addr(range)); + + index = g_buffer_cache_find_index_by_cursor(binary->disass_cache, cursor, true); + + g_object_unref(G_OBJECT(cursor)); + + g_buffer_cache_delete_at(binary->disass_cache, index); + + } + + } + +} + + +/****************************************************************************** +* * * Paramètres : binary = élément chargé à consulter. * * full = précise s'il s'agit d'une version longue ou non. * * * |