Examples with Thread com.dat3m.dartagnan.program.Thread used on opensource projects

Example 26 with Thread

use of com.dat3m.dartagnan.program.Thread in project Dat3M by hernanponcedeleon.

the class Dependency method process.

private void process(Thread thread, ExecutionAnalysis exec) {
    Map<Event, Set<Writer>> jumps = new HashMap<>();
    Set<Writer> state = new HashSet<>();
    for (Register register : thread.getRegisters()) {
        state.add(new Writer(register, null));
    }
    for (Event event : thread.getEvents()) {
        // merge with incoming jumps
        Set<Writer> j = jumps.remove(event);
        if (j != null) {
            state.addAll(j);
        }
        // collecting dependencies, mixing 'data' and 'addr'
        Set<Register> registers = new HashSet<>();
        if (event instanceof RegReaderData) {
            registers.addAll(((RegReaderData) event).getDataRegs());
        }
        if (event instanceof MemEvent) {
            registers.addAll(((MemEvent) event).getAddress().getRegs());
        }
        if (!registers.isEmpty()) {
            Map<Register, State> result = new HashMap<>();
            for (Register register : registers) {
                if (register.getThreadId() == Register.NO_THREAD) {
                    continue;
                }
                State writers;
                if (register.getThreadId() != event.getThread().getId()) {
                    writers = finalWriters.get(register);
                    checkArgument(writers != null, "Helper thread %s should be listed after their creator thread %s.", thread.getId(), register.getThreadId());
                    if (writers.may.size() != 1) {
                        logger.warn("Writers {} for inter-thread register {} read by event {} of thread {}", writers.may, register, event, thread.getId());
                    }
                } else {
                    writers = process(state, register, exec);
                    if (!writers.initialized) {
                        logger.warn("Uninitialized register {} read by event {} of thread {}", register, event, thread.getId());
                    }
                }
                result.put(register, writers);
            }
            map.put(event, result);
        }
        // update state, if changed by event
        if (event instanceof RegWriter) {
            Register register = ((RegWriter) event).getResultRegister();
            if (event.cfImpliesExec()) {
                state.removeIf(e -> e.register.equals(register));
            }
            state.add(new Writer(register, event));
        }
        // copy state, if branching
        if (event instanceof CondJump) {
            jumps.computeIfAbsent(((CondJump) event).getLabel(), k -> new HashSet<>()).addAll(state);
            if (((CondJump) event).isGoto()) {
                state.clear();
            }
        }
    }
    if (!jumps.isEmpty()) {
        logger.warn("Thread {} contains jumps to removed labels {}", thread.getId(), jumps.keySet());
        for (Set<Writer> j : jumps.values()) {
            state.addAll(j);
        }
    }
    for (Register register : thread.getRegisters()) {
        finalWriters.put(register, process(state, register, exec));
    }
}

Example 27 with Thread

use of com.dat3m.dartagnan.program.Thread in project Dat3M by hernanponcedeleon.

the class ProgramBuilder method build.

public Program build() {
    Program program = new Program(memory, format);
    buildInitThreads();
    for (Thread thread : threads.values()) {
        addChild(thread.getId(), getOrCreateLabel("END_OF_T" + thread.getId()));
        validateLabels(thread);
        program.add(thread);
        thread.setProgram(program);
    }
    program.setAss(ass);
    program.setAssFilter(assFilter);
    return program;
}

Example 28 with Thread

use of com.dat3m.dartagnan.program.Thread in project Dat3M by hernanponcedeleon.

the class ProgramBuilder method getOrCreateRegister.

public Register getOrCreateRegister(int threadId, String name, int precision) {
    initThread(threadId);
    Thread thread = threads.get(threadId);
    if (name == null) {
        return thread.newRegister(precision);
    }
    Register register = thread.getRegister(name);
    if (register == null) {
        return thread.newRegister(name, precision);
    }
    return register;
}

Example 29 with Thread

use of com.dat3m.dartagnan.program.Thread in project Dat3M by hernanponcedeleon.

the class ProgramBuilder method initThread.

public void initThread(String name, int id) {
    if (!threads.containsKey(id)) {
        Skip threadEntry = EventFactory.newSkip();
        threadEntry.setOId(lastOrigId++);
        threads.putIfAbsent(id, new Thread(name, id, threadEntry));
    }
}

Example 30 with Thread

use of com.dat3m.dartagnan.program.Thread in project Dat3M by hernanponcedeleon.

the class ProgramBuilder method buildInitThreads.

private void buildInitThreads() {
    int nextThreadId = nextThreadId();
    for (MemoryObject a : memory.getObjects()) {
        for (int i = 0; i < a.size(); i++) {
            Event e = EventFactory.newInit(a, i);
            Thread thread = new Thread(nextThreadId, e);
            threads.put(nextThreadId, thread);
            nextThreadId++;
        }
    }
}