Function db_restart_at_pc

freebsd/ddb/db_run.c:219–265

}

void
db_restart_at_pc(bool watchpt)
{
	db_addr_t	pc = PC_REGS();

	if ((db_run_mode == STEP_COUNT) ||
	    ((db_run_mode == STEP_ONCE) && db_sstep_multiple) ||
	    (db_run_mode == STEP_RETURN) ||
	    (db_run_mode == STEP_CALLT)) {
	    /*
	     * We are about to execute this instruction,
	     * so count it now.
	     */
#ifdef	SOFTWARE_SSTEP
	    db_expr_t		ins =
#endif
	    db_get_value(pc, sizeof(int), false);
	    db_inst_count++;
	    db_load_count += inst_load(ins);
	    db_store_count += inst_store(ins);
#ifdef	SOFTWARE_SSTEP
	    /* XXX works on mips, but... */
	    if (inst_branch(ins) || inst_call(ins)) {
		ins = db_get_value(next_instr_address(pc,1),
				   sizeof(int), false);
		db_inst_count++;
		db_load_count += inst_load(ins);
		db_store_count += inst_store(ins);
	    }
#endif	/* SOFTWARE_SSTEP */
	}

	if (db_run_mode == STEP_CONTINUE) {
	    if (watchpt || db_find_breakpoint_here(pc)) {
		/*
		 * Step over breakpoint/watchpoint.
		 */
		db_run_mode = STEP_INVISIBLE;
		db_set_single_step();
	    } else {
		db_set_breakpoints();
		db_set_watchpoints();
	    }
	} else {
	    db_set_single_step();
	}
}

#ifdef	SOFTWARE_SSTEP
/*