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Add RTTI struct specific print functions

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This commit is contained in:
Florian Märkl 2018-03-14 16:44:48 +01:00 committed by radare
parent c01bfe9ea1
commit ec2b05309e
4 changed files with 78 additions and 16 deletions
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12
libr/anal/rtti.c
View File

@ -2,17 +2,17 @@
#include "r_anal.h"
R_API void r_anal_rtti_print_at_vtable(RAnal *anal, ut64 addr) {
R_API void r_anal_rtti_print_at_vtable(RAnal *anal, ut64 addr, int mode) {
RVTableContext context;
r_anal_vtable_begin (anal, &context);
if (context.abi == R_ANAL_CPP_ABI_MSVC) {
r_anal_rtti_msvc_print_at_vtable (&context, addr);
r_anal_rtti_msvc_print_at_vtable (&context, addr, mode);
} else {
eprint ("RTTI not supported yet for Itanium.\n");
}
}
static void rtti_msvc_print_all(RVTableContext *context) {
static void rtti_msvc_print_all(RVTableContext *context, int mode) {
r_cons_break_push (NULL, NULL);
RList *vtables = r_anal_vtable_search (context);
RListIter *vtableIter;
@ -23,7 +23,7 @@ static void rtti_msvc_print_all(RVTableContext *context) {
if (r_cons_is_breaked ()) {
break;
}
r_anal_rtti_msvc_print_at_vtable (context, table->saddr);
r_anal_rtti_msvc_print_at_vtable (context, table->saddr, mode);
r_cons_print ("\n");
}
}
@ -32,11 +32,11 @@ static void rtti_msvc_print_all(RVTableContext *context) {
r_cons_break_pop ();
}
R_API void r_anal_rtti_print_all(RAnal *anal) {
R_API void r_anal_rtti_print_all(RAnal *anal, int mode) {
RVTableContext context;
r_anal_vtable_begin (anal, &context);
if (context.abi == R_ANAL_CPP_ABI_MSVC) {
rtti_msvc_print_all (&context);
rtti_msvc_print_all (&context, mode);
} else {
eprint ("RTTI not supported yet for Itanium.\n");
}

67
libr/anal/rtti_msvc.c
View File

@ -44,6 +44,10 @@ static void rtti_type_descriptor_fini(rtti_type_descriptor *td) {
}
static bool rtti_msvc_read_complete_object_locator(RVTableContext *context, ut64 addr, rtti_complete_object_locator *col) {
if (addr == UT64_MAX) {
return false;
}
ut8 buf[3 * sizeof (ut32) + 2 * sizeof (ut64)];
int colSize = 3 * sizeof (ut32) + 2 * context->word_size;
if (colSize > sizeof (buf)) {
@ -64,6 +68,10 @@ static bool rtti_msvc_read_complete_object_locator(RVTableContext *context, ut64
}
static bool rtti_msvc_read_class_hierarchy_descriptor(RVTableContext *context, ut64 addr, rtti_class_hierarchy_descriptor *chd) {
if (addr == UT64_MAX) {
return false;
}
ut8 buf[3 * sizeof (ut32) + sizeof (ut64)];
int chdSize = 3 * sizeof (ut32) + context->word_size;
if (chdSize > sizeof (buf)) {
@ -87,6 +95,10 @@ static ut64 rtti_msvc_base_class_descriptor_size(RVTableContext *context) {
}
static bool rtti_msvc_read_base_class_descriptor(RVTableContext *context, ut64 addr, rtti_base_class_descriptor *bcd) {
if (addr == UT64_MAX) {
return false;
}
ut8 buf[sizeof (ut64) + 5 * sizeof (ut32)];
int bcdSize = (int) rtti_msvc_base_class_descriptor_size (context);
if (bcdSize > sizeof (buf)) {
@ -109,6 +121,10 @@ static bool rtti_msvc_read_base_class_descriptor(RVTableContext *context, ut64 a
}
static RList *rtti_msvc_read_base_class_array(RVTableContext *context, ut32 num_base_classes, ut64 addr) {
if (addr == UT64_MAX) {
return false;
}
RList *ret = r_list_new ();
if (!ret) {
return NULL;
@ -149,6 +165,10 @@ static RList *rtti_msvc_read_base_class_array(RVTableContext *context, ut32 num_
}
static bool rtti_msvc_read_type_descriptor(RVTableContext *context, ut64 addr, rtti_type_descriptor *td) {
if (addr == UT64_MAX) {
return false;
}
if (!context->read_addr (context->anal, addr, &td->vtable_addr)) {
return false;
}
@ -201,7 +221,7 @@ static bool rtti_msvc_read_type_descriptor(RVTableContext *context, ut64 addr, r
return true;
}
static void rtti_msvc_print_complete_object_locator (rtti_complete_object_locator *col, ut64 addr, const char *prefix) {
static void rtti_msvc_print_complete_object_locator(rtti_complete_object_locator *col, ut64 addr, const char *prefix) {
r_cons_printf ("%sComplete Object Locator at 0x%08"PFMT64x":\n"
"%s\tsignature: %#x\n"
"%s\tvftableOffset: %#x\n"
@ -216,7 +236,7 @@ static void rtti_msvc_print_complete_object_locator (rtti_complete_object_locato
prefix, col->class_descriptor_addr);
}
static void rtti_msvc_print_type_descriptor (rtti_type_descriptor *td, ut64 addr, const char *prefix) {
static void rtti_msvc_print_type_descriptor(rtti_type_descriptor *td, ut64 addr, const char *prefix) {
r_cons_printf ("%sType Descriptor at 0x%08"PFMT64x":\n"
"%s\tvtableAddr: 0x%08"PFMT64x"\n"
"%s\tspare: 0x%08"PFMT64x"\n"
@ -227,7 +247,7 @@ static void rtti_msvc_print_type_descriptor (rtti_type_descriptor *td, ut64 addr
prefix, td->name);
}
static void rtti_msvc_print_class_hierarchy_descriptor (rtti_class_hierarchy_descriptor *chd, ut64 addr, const char *prefix) {
static void rtti_msvc_print_class_hierarchy_descriptor(rtti_class_hierarchy_descriptor *chd, ut64 addr, const char *prefix) {
r_cons_printf ("%sClass Hierarchy Descriptor at 0x%08"PFMT64x":\n"
"%s\tsignature: %#x\n"
"%s\tattributes: %#x\n"
@ -240,7 +260,7 @@ static void rtti_msvc_print_class_hierarchy_descriptor (rtti_class_hierarchy_des
prefix, chd->base_class_array_addr);
}
static void rtti_msvc_print_base_class_descriptor (rtti_base_class_descriptor *bcd, const char *prefix) {
static void rtti_msvc_print_base_class_descriptor(rtti_base_class_descriptor *bcd, const char *prefix) {
r_cons_printf ("%sBase Class Descriptor:\n"
"%s\ttypeDescriptorAddr: 0x%08"PFMT64x"\n"
"%s\tnumContainedBases: %#x\n"
@ -259,6 +279,43 @@ static void rtti_msvc_print_base_class_descriptor (rtti_base_class_descriptor *b
prefix, bcd->attributes);
}
R_API void r_anal_rtti_msvc_print_complete_object_locator(RVTableContext *context, ut64 addr, int mode) {
rtti_complete_object_locator col;
if (!rtti_msvc_read_complete_object_locator (context, addr, &col)) {
eprintf ("Failed to parse Complete Object Locator at 0x%08"PFMT64x"\n", addr);
return;
}
rtti_msvc_print_complete_object_locator (&col, addr, "");
}
R_API void r_anal_rtti_msvc_print_type_descriptor(RVTableContext *context, ut64 addr, int mode) {
rtti_type_descriptor td = { 0 };
if (!rtti_msvc_read_type_descriptor (context, addr, &td)) {
eprintf ("Failed to parse Type Descriptor at 0x%08"PFMT64x"\n", addr);
return;
}
rtti_msvc_print_type_descriptor (&td, addr, "");
rtti_type_descriptor_fini (&td);
}
R_API void r_anal_rtti_msvc_print_class_hierarchy_descriptor(RVTableContext *context, ut64 addr, int mode) {
rtti_class_hierarchy_descriptor chd;
if (!rtti_msvc_read_class_hierarchy_descriptor (context, addr, &chd)) {
eprintf ("Failed to parse Class Hierarchy Descriptor at 0x%08"PFMT64x"\n", addr);
return;
}
rtti_msvc_print_class_hierarchy_descriptor (&chd, addr, "");
}
R_API void r_anal_rtti_msvc_print_base_class_descriptor(RVTableContext *context, ut64 addr, int mode) {
rtti_base_class_descriptor bcd;
if (!rtti_msvc_read_base_class_descriptor (context, addr, &bcd)) {
eprintf ("Failed to parse Base Class Descriptor at 0x%08"PFMT64x"\n", addr);
return;
}
rtti_msvc_print_base_class_descriptor (&bcd, "");
}
static void rtti_msvc_print_complete_object_locator_recurse(RVTableContext *context, ut64 atAddress) {
ut64 colRefAddr = atAddress - context->word_size;
ut64 colAddr;
@ -308,6 +365,6 @@ static void rtti_msvc_print_complete_object_locator_recurse(RVTableContext *cont
}
}
R_API void r_anal_rtti_msvc_print_at_vtable(RVTableContext *context, ut64 addr) {
R_API void r_anal_rtti_msvc_print_at_vtable(RVTableContext *context, ut64 addr, int mode) {
rtti_msvc_print_complete_object_locator_recurse (context, addr);
}

4
libr/core/cmd_anal.c
View File

@ -6417,10 +6417,10 @@ static bool anal_fcn_data_gaps (RCore *core, const char *input) {
static void cmd_anal_rtti(RCore *core, const char *input) {
switch (input[0]) {
case '\0': // "avr"
r_anal_rtti_print_at_vtable (core->anal, core->offset);
r_anal_rtti_print_at_vtable (core->anal, core->offset, 0);
break;
case 'a': // "avra"
r_anal_rtti_print_all (core->anal);
r_anal_rtti_print_all (core->anal, input[1]);
break;
default :
r_core_cmd_help (core, help_msg_av);

11
libr/include/r_anal.h
View File

@ -1694,9 +1694,14 @@ R_API RList *r_anal_vtable_get_methods(RVTableContext *context, RVTableInfo *tab
R_API void r_anal_list_vtables(RAnal *anal, int rad);
/* rtti */
R_API void r_anal_rtti_msvc_print_at_vtable(RVTableContext *context, ut64 addr);
R_API void r_anal_rtti_print_at_vtable(RAnal *anal, ut64 addr);
R_API void r_anal_rtti_print_all(RAnal *anal);
R_API void r_anal_rtti_msvc_print_complete_object_locator(RVTableContext *context, ut64 addr, int mode);
R_API void r_anal_rtti_msvc_print_type_descriptor(RVTableContext *context, ut64 addr, int mode);
R_API void r_anal_rtti_msvc_print_class_hierarchy_descriptor(RVTableContext *context, ut64 addr, int mode);
R_API void r_anal_rtti_msvc_print_base_class_descriptor(RVTableContext *context, ut64 addr, int mode);
R_API void r_anal_rtti_msvc_print_at_vtable(RVTableContext *context, ut64 addr, int mode);
R_API void r_anal_rtti_print_at_vtable(RAnal *anal, ut64 addr, int mode);
R_API void r_anal_rtti_print_all(RAnal *anal, int mode);
/* plugin pointers */
extern RAnalPlugin r_anal_plugin_null;