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Implement afbb to list basic blocks of function (see also afbbq, afbbj and afbb*)

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This commit is contained in:
pancake 2015-01-29 13:33:33 +01:00
parent 0bc397d5ce
commit 5f6217254c
1 changed files with 70 additions and 6 deletions
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76
libr/core/cmd_anal.c
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@ -376,6 +376,63 @@ static void core_anal_bytes (RCore *core, const ut8 *buf, int len, int nops, int
}
}
static int anal_fcn_list_bb (RCore *core, const char *input) {
int mode = 0;
ut64 addr;
RAnalBlock *b;
RListIter *iter;
RAnalFunction *fcn;
if (*input && (input[1]==' ' || !input[1])) {
mode = *input;
input++;
}
if (input && *input) {
addr = r_num_math (core->num, input);
} else {
addr = core->offset;
}
fcn = r_anal_get_fcn_in (core->anal, addr, 0);
if (!fcn)
return R_FALSE;
switch (mode) {
case 'j':
r_cons_printf ("[");
break;
case '*':
r_cons_printf ("fs blocks\n");
break;
}
r_list_foreach (fcn->bbs, iter, b) {
switch (mode) {
case '*':
r_cons_printf ("f bb_%08"PFMT64x" = 0x%08"PFMT64x"\n",
b->addr, b->addr);
break;
case 'q':
r_cons_printf ("0x%08"PFMT64x"\n", b->addr);
break;
case 'j':
r_cons_printf ("%"PFMT64d"%s", b->addr, iter->n?",":"");
break;
default:
r_cons_printf ("0x%08"PFMT64x" 0x%08"PFMT64x" %d",
b->addr, b->addr + b->size, b->size);
if (b->jump != UT64_MAX) {
r_cons_printf (" j 0x%08"PFMT64x, b->jump);
}
if (b->fail != UT64_MAX) {
r_cons_printf (" f 0x%08"PFMT64x, b->fail);
}
r_cons_newline ();
break;
}
}
if (mode=='j') {
r_cons_printf ("]");
}
return R_TRUE;
}
static int anal_fcn_add_bb (RCore *core, const char *input) {
// fcn_addr bb_addr bb_size [jump] [fail]
char *ptr;
@ -639,14 +696,13 @@ static int cmd_anal_fcn(RCore *core, const char *input) {
break;
case 'b': // "afb"
switch (input[2]) {
case 'b': // "afbb"
case 'b': // "afbb" -> maybe move to 'afb' ? and make current <afb bits> to be `afB` ?
anal_fcn_list_bb (core, input+3);
break;
case '+': // "afb+"
anal_fcn_add_bb (core, input+3);
break;
case '?':
eprintf ("Usage: afb+ or afbb or afb\n");
break;
default:
case ' ':
{
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset,
R_ANAL_FCN_TYPE_FCN|R_ANAL_FCN_TYPE_SYM);
@ -654,6 +710,13 @@ static int cmd_anal_fcn(RCore *core, const char *input) {
else eprintf ("Cannot find function to set bits\n");
}
break;
default:
case '?':
eprintf ("Usage: afb+ or afbb or afb\n"
" afb [bits] - define asm.bits for given function\n"
" afbb [addr] - list basic blocks of function (see afbbq, afbbj, afbb*)\n"
" afb+ fcn_at bbat bbsz [jump] [fail] ([type] ([diff])) add bb to function @ fcnaddr\n");
break;
}
break;
case 'n': // "afn"
@ -802,7 +865,8 @@ static int cmd_anal_fcn(RCore *core, const char *input) {
"afa", "[?] [idx] [type] [name]", "add function argument",
"af[aAv?]", "[arg]", "manipulate args, fastargs and variables in function",
"afb", " 16", "set current function as thumb",
"afbb", " fcn_at bbat bbsz [jump] [fail] ([type] ([diff]))", "add bb to function @ fcnaddr",
"afb+", " fcn_at bbat bbsz [jump] [fail] ([type] ([diff]))", "add bb to function @ fcnaddr",
"afbb", " [addr]", "List basic blocks of given function",
"afc", "@[addr]", "calculate the Cyclomatic Complexity (starting at addr)",
"afC[a]", " type @[addr]", "set calling convention for function (afC?=list cc types)",
"aff", "", "re-adjust function boundaries to fit",