{
int insn_cnt = env->prog->len;
int *insn_stack, *insn_state;
- int ret = 0;
- int i;
+ int ex_insn_beg, i, ret = 0;
+ bool ex_done = false;
insn_state = env->cfg.insn_state = kvcalloc(insn_cnt, sizeof(int), GFP_KERNEL);
if (!insn_state)
insn_stack[0] = 0; /* 0 is the first instruction */
env->cfg.cur_stack = 1;
+walk_cfg:
while (env->cfg.cur_stack > 0) {
int t = insn_stack[env->cfg.cur_stack - 1];
goto err_free;
}
+ if (env->exception_callback_subprog && !ex_done) {
+ ex_insn_beg = env->subprog_info[env->exception_callback_subprog].start;
+
+ insn_state[ex_insn_beg] = DISCOVERED;
+ insn_stack[0] = ex_insn_beg;
+ env->cfg.cur_stack = 1;
+ ex_done = true;
+ goto walk_cfg;
+ }
+
for (i = 0; i < insn_cnt; i++) {
if (insn_state[i] != EXPLORED) {
verbose(env, "unreachable insn %d\n", i);