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Config variables for jmp/cjmp references

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This commit is contained in:
Dima Turchenkov 2015-11-23 18:00:11 +03:00 committed by pancake
parent 412934d20e
commit ad6581f265
3 changed files with 22 additions and 4 deletions
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8
libr/anal/fcn.c
View File

@ -504,7 +504,8 @@ repeat:
return R_ANAL_RET_END;
}
if (anal->opt.bbsplit) {
(void) r_anal_fcn_xref_add (anal, fcn, op.addr, op.jump, R_ANAL_REF_TYPE_CODE);
if (anal->opt.jmpref)
(void) r_anal_fcn_xref_add (anal, fcn, op.addr, op.jump, R_ANAL_REF_TYPE_CODE);
if (!overlapped) {
bb->jump = op.jump;
bb->fail = UT64_MAX;
@ -512,9 +513,8 @@ repeat:
recurseAt (op.jump);
gotoBeachRet ();
} else {
if (!r_anal_fcn_xref_add (anal, fcn, op.addr, op.jump,
R_ANAL_REF_TYPE_CODE)) {
}
if (anal->opt.jmpref)
(void) r_anal_fcn_xref_add (anal, fcn, op.addr, op.jump, R_ANAL_REF_TYPE_CODE);
if (continue_after_jump) {
recurseAt (op.jump);
recurseAt (op.fail);

17
libr/core/config.c
View File

@ -1240,6 +1240,20 @@ static int cb_anal_jmptbl(void *user, void *data) {
return true;
}
static int cb_anal_cjmpref(void *user, void *data) {
RCore *core = (RCore*) user;
RConfigNode *node = (RConfigNode*) data;
core->anal->opt.cjmpref = node->i_value;
return true;
}
static int cb_anal_jmpref(void *user, void *data) {
RCore *core = (RCore*) user;
RConfigNode *node = (RConfigNode*) data;
core->anal->opt.jmpref = node->i_value;
return true;
}
#define SLURP_LIMIT (10*1024*1024)
R_API int r_core_config_init(RCore *core) {
int i;
@ -1281,6 +1295,9 @@ R_API int r_core_config_init(RCore *core) {
SETCB("anal.jmptbl", "false", &cb_anal_jmptbl, "Analyze jump tables in switch statements");
SETCB("anal.cjmpref", "false", &cb_anal_cjmpref, "Create references for conditional jumps");
SETCB("anal.jmpref", "true", &cb_anal_jmpref, "Create references for unconditional jumps");
SETPREF("esil.prestep", "true", "Step before esil evaluation in `de` commands");
SETCB("esil.debug", "false", &cb_esildebug, "Show ESIL debug info");
SETICB("esil.gotolimit", core->anal->esil_goto_limit, &cb_gotolimit, "Maximum number of gotos per ESIL expression");

1
libr/include/r_anal.h
View File

@ -567,6 +567,7 @@ typedef struct r_anal_callbacks_t {
typedef struct r_anal_options_t {
int cjmpref;
int jmpref;
int afterjmp; // continue analysis after jmp eax or forward jmp // option
int recont; // continue on recurse analysis mode
int eobjmp; // option