R_API int r_debug_continue_syscalls(RDebug *dbg, int *sc, int n_sc) {
int i, reg, ret = R_FALSE;
if (!dbg || !dbg->h || r_debug_is_dead (dbg))
return R_FALSE;
if (!dbg->h->contsc) {
/* user-level syscall tracing */
r_debug_continue_until_optype (dbg, R_ANAL_OP_TYPE_SWI, 0);
return show_syscall (dbg, "a0");
}
if (!r_debug_reg_sync (dbg, R_REG_TYPE_GPR, R_FALSE)) {
eprintf ("--> cannot read registers\n");
return -1;
}
{
int err;
reg = (int)r_debug_reg_get_err (dbg, "sn", &err);
if (err) {
eprintf ("Cannot find 'sn' register for current arch-os.\n");
return -1;
}
}
for (;;) {
if (r_cons_singleton()->breaked)
break;
#if __linux__
// step is needed to avoid dupped contsc results
r_debug_step (dbg, 1);
#endif
dbg->h->contsc (dbg, dbg->pid, 0); // TODO handle return value
// wait until continuation
r_debug_wait (dbg);
if (!r_debug_reg_sync (dbg, R_REG_TYPE_GPR, R_FALSE)) {
eprintf ("--> cannot sync regs, process is probably dead\n");
return -1;
}
reg = show_syscall (dbg, "sn");
if (n_sc == -1)
continue;
if (n_sc == 0) {
break;
}
for (i=0; i<n_sc; i++) {
if (sc[i] == reg)
return reg;
}
// TODO: must use r_core_cmd(as)..import code from rcore
}
return ret;
}
static int exprmatchreg (RDebug *dbg, const char *regname, const char *expr) {
int ret = 0;
char *p;
char *s = strdup (expr);
if (!s) {
return 0;
}
if (!strcmp (regname, s)) {
ret = 1;
} else {
#define CURVAL 0){}r_str_trim_head_tail (s);if (!strcmp(regname,s) && regval
ut64 regval = r_debug_reg_get_err (dbg, regname, NULL, NULL);
if (exprtoken (dbg, s, ">=", &p)) {
if (CURVAL >= r_num_math (dbg->num, p))
ret = 1;
} else if (exprtoken (dbg, s, "<=", &p)) {
if (CURVAL <= r_num_math (dbg->num, p))
ret = 1;
} else if (exprtoken (dbg, s, "==", &p)) {
if (CURVAL <= r_num_math (dbg->num, p))
ret = 1;
} else if (exprtoken (dbg, s, "<", &p)) {
if (CURVAL < r_num_math (dbg->num, p))
ret = 1;
} else if (exprtoken (dbg, s, ">", &p)) {
if (CURVAL > r_num_math (dbg->num, p))
ret = 1;
} else if (exprtoken (dbg, s, " ", &p)) {
r_str_trim_head_tail (s);
if (!strcmp (regname, s)) {
ut64 num = r_num_math (dbg->num, p);
ret = exprmatch (dbg, num, s);
}
} else {
if (!strcmp (regname, s)) {
ret = 1;
}
}
}
free (s);
return ret;
}