diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2017-12-08 20:50:56 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2017-12-08 20:50:56 (GMT) |
commit | 39116dce7d40dab310e929f92fdbfc865b5fac20 (patch) | |
tree | a0b8dc11070f8a68de6b6f7bbc84b3d4ccf25afd /src | |
parent | cf11fcf862b98ef57935bcfccd6f2f6ae3f925f6 (diff) |
Introduced the symbol visibility.
Diffstat (limited to 'src')
-rw-r--r-- | src/analysis/disass/output.c | 27 | ||||
-rw-r--r-- | src/analysis/disass/routines.c | 7 | ||||
-rw-r--r-- | src/format/format.c | 2 | ||||
-rw-r--r-- | src/format/symbol-int.h | 1 | ||||
-rw-r--r-- | src/format/symbol.c | 41 | ||||
-rw-r--r-- | src/format/symbol.h | 18 | ||||
-rw-r--r-- | src/gui/panels/symbols.c | 16 | ||||
-rw-r--r-- | src/panels/strings.c | 2 |
8 files changed, 100 insertions, 14 deletions
diff --git a/src/analysis/disass/output.c b/src/analysis/disass/output.c index 8e74d1c..f9656cf 100644 --- a/src/analysis/disass/output.c +++ b/src/analysis/disass/output.c @@ -81,6 +81,7 @@ void print_disassembled_instructions(GBufferCache *cache, GCodingLanguage *lang, GBorderGenerator *border; /* Délimitation de routine */ const vmpa2t *paddr; /* Adresse de portion */ GLineGenerator *generator; /* Générateur de contenu ajouté*/ + SymbolStatus sym_status; /* Visibilité du symbole obtenu*/ const vmpa2t *saddr; /* Adresse de symbole */ int compared; /* Bilan d'une comparaison */ char *errmsg; /* Description d'une erreur */ @@ -210,13 +211,21 @@ void print_disassembled_instructions(GBufferCache *cache, GCodingLanguage *lang, 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)) + for ( ; sym_index < sym_count; sym_index++) { + sym_status = g_binary_symbol_get_status(symbols[sym_index]); + + if (sym_status == SSS_IMPORTED) + continue; + + saddr = get_mrange_addr(g_binary_symbol_get_range(symbols[sym_index])); + + compared = cmp_vmpa(iaddr, saddr); + + if (compared <= 0) + break; + 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_phy_addr(saddr)); @@ -230,13 +239,11 @@ void print_disassembled_instructions(GBufferCache *cache, GCodingLanguage *lang, _missing++; - if (++sym_index == sym_count) - goto no_more_symbol_finally; - - saddr = get_mrange_addr(g_binary_symbol_get_range(symbols[sym_index])); - } + if (sym_index == sym_count) + goto no_more_symbol_finally; + if (compared == 0) { /* Coupure pour une nouvelle routine */ diff --git a/src/analysis/disass/routines.c b/src/analysis/disass/routines.c index 01a6e48..63a32cf 100644 --- a/src/analysis/disass/routines.c +++ b/src/analysis/disass/routines.c @@ -233,11 +233,18 @@ static void g_routines_study_process(GRoutinesStudy *study, GtkStatusStack *stat { size_t i; /* Boucle de parcours */ GBinSymbol *symbol; /* Commodité d'accès */ + SymbolStatus sym_status; /* Visibilité du symbole obtenu*/ SymbolType type; /* Type de symbole rencontré */ for (i = study->begin; i < study->end; i++) { symbol = study->symbols[i]; + + sym_status = g_binary_symbol_get_status(symbol); + + if (sym_status == SSS_IMPORTED) + continue; + type = g_binary_symbol_get_target_type(symbol); if (type == STP_ROUTINE || type == STP_ENTRY_POINT) diff --git a/src/format/format.c b/src/format/format.c index 8b1bf0a..ec8e5fb 100644 --- a/src/format/format.c +++ b/src/format/format.c @@ -407,7 +407,7 @@ bool g_binary_format_add_symbol(GBinFormat *format, GBinSymbol *symbol) range = g_binary_symbol_get_range(symbol); addr = get_mrange_addr(range); - assert(has_phys_addr(addr)); + assert(has_phys_addr(addr) || g_binary_symbol_get_status(symbol) == SSS_IMPORTED); #endif g_rw_lock_writer_lock(&format->syms_lock); diff --git a/src/format/symbol-int.h b/src/format/symbol-int.h index 49a0b97..a0460c2 100644 --- a/src/format/symbol-int.h +++ b/src/format/symbol-int.h @@ -41,6 +41,7 @@ struct _GBinSymbol mrange_t range; /* Couverture mémoire */ SymbolType type; /* Type du symbole */ + SymbolStatus status; /* Visibilité du symbole */ char *alt; /* Nom alternatif */ diff --git a/src/format/symbol.c b/src/format/symbol.c index 0b300bd..099b764 100644 --- a/src/format/symbol.c +++ b/src/format/symbol.c @@ -123,6 +123,8 @@ static void g_binary_symbol_init(GBinSymbol *symbol) { g_binary_symbol_set_target_type(symbol, STP_COUNT); + g_binary_symbol_set_status(symbol, SSS_INTERNAL); + } @@ -345,6 +347,45 @@ SymbolType g_binary_symbol_get_target_type(const GBinSymbol *symbol) /****************************************************************************** * * +* Paramètres : symbol = symbole à venir modifier. * +* status = état de la visibilité du symbole représenté. * +* * +* Description : Définit la visibilité du symbole. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void g_binary_symbol_set_status(GBinSymbol *symbol, SymbolStatus status) +{ + symbol->status = status; + +} + + +/****************************************************************************** +* * +* Paramètres : symbol = symbole à venir consulter. * +* * +* Description : Fournit la visibilité du symbole. * +* * +* Retour : Etat de la visibilité du symbole représenté. * +* * +* Remarques : - * +* * +******************************************************************************/ + +SymbolStatus g_binary_symbol_get_status(const GBinSymbol *symbol) +{ + return symbol->status; + +} + + +/****************************************************************************** +* * * Paramètres : symbol = symbole à venir consulter. * * * * Description : Fournit une étiquette pour viser un symbole. * diff --git a/src/format/symbol.h b/src/format/symbol.h index da51262..8aabfdf 100644 --- a/src/format/symbol.h +++ b/src/format/symbol.h @@ -51,6 +51,18 @@ typedef enum _SymbolType } SymbolType; +/* Visibilité du symbole */ +typedef enum _SymbolStatus +{ + SSS_INTERNAL, /* Visibilité nulle */ + SSS_EXPORTED, /* Disponibilité extérieure */ + SSS_IMPORTED, /* Besoin interne */ + + SSS_COUNT + +} SymbolStatus; + + #define G_TYPE_BIN_SYMBOL g_binary_symbol_get_type() #define G_BIN_SYMBOL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_binary_symbol_get_type(), GBinSymbol)) #define G_IS_BIN_SYMBOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_binary_symbol_get_type())) @@ -90,6 +102,12 @@ void g_binary_symbol_set_target_type(GBinSymbol *, SymbolType); /* Fournit le type du symbole. */ SymbolType g_binary_symbol_get_target_type(const GBinSymbol *); +/* Définit la visibilité du symbole. */ +void g_binary_symbol_set_status(GBinSymbol *, SymbolStatus); + +/* Fournit la visibilité du symbole. */ +SymbolStatus g_binary_symbol_get_status(const GBinSymbol *); + /* Fournit une étiquette pour viser un symbole. */ const char *g_binary_symbol_get_label(GBinSymbol *); diff --git a/src/gui/panels/symbols.c b/src/gui/panels/symbols.c index 3b01f24..f64f087 100644 --- a/src/gui/panels/symbols.c +++ b/src/gui/panels/symbols.c @@ -1064,15 +1064,25 @@ static void do_filtering_on_symbols(GSymbolsPanel *panel) static bool is_symbol_matching(GSymbolsPanel *panel, const GBinSymbol *symbol, regmatch_t *match) { bool result; /* Bilan à retourner */ + SymbolStatus status; /* Visibilité du symbole obtenu*/ SymbolType type; /* Type associé au symbole */ - type = g_binary_symbol_get_target_type(symbol); + status = g_binary_symbol_get_status(symbol); - if (type != STP_ROUTINE && type != STP_ENTRY_POINT && type != STP_OBJECT) + if (status == SSS_IMPORTED) result = false; else - result = is_content_matching(panel->filter, g_binary_symbol_get_label(symbol), match); + { + type = g_binary_symbol_get_target_type(symbol); + + if (type != STP_ROUTINE && type != STP_ENTRY_POINT && type != STP_OBJECT) + result = false; + + else + result = is_content_matching(panel->filter, g_binary_symbol_get_label(symbol), match); + + } return result; diff --git a/src/panels/strings.c b/src/panels/strings.c index c7fd393..c60ef0a 100644 --- a/src/panels/strings.c +++ b/src/panels/strings.c @@ -135,6 +135,8 @@ void handle_new_exe_on_strings_panel(GtkWidget *panel, const GExeFormat *format) for (i = 0; i < count; i++) { + if (g_binary_symbol_get_status(symbols[i]) == SSS_IMPORTED) continue; + if (g_binary_symbol_get_target_type(symbols[i]) != STP_STRING) continue; range = g_binary_symbol_get_range(symbols[i]); |