void LLVMState::compile_callframe(STATE, GCToken gct, CompiledCode* start,
CallFrame* call_frame, int primitive)
{
// TODO: Fix compile policy checks
if(!start->keywords()->nil_p()) {
metrics().m.jit_metrics.methods_failed++;
return;
}
if(debug_search) {
std::cout << std::endl << "JIT: triggered: "
<< enclosure_name(start) << "#"
<< symbol_debug_str(start->name()) << std::endl;
}
CallFrame* candidate = find_candidate(state, start, call_frame);
if(!candidate || candidate->jitted_p() || candidate->inline_method_p()) {
if(config().jit_show_compiling) {
llvm::outs() << "[[[ JIT error finding call frame "
<< enclosure_name(start) << "#" << symbol_debug_str(start->name());
if(!candidate) {
llvm::outs() << " no candidate";
} else {
if(candidate->jitted_p()) {
llvm::outs() << " candidate is jitted";
}
if(candidate->inline_method_p()) {
llvm::outs() << " candidate is inlined";
}
}
llvm::outs() << " ]]]\n";
}
return;
}
if(debug_search) {
std::cout << "! ";
candidate->print_backtrace(state, 1);
}
if(candidate->compiled_code->machine_code()->call_count <= 1) {
if(!start || start->machine_code()->jitted_p()) return;
// Ignore it. compile this one.
candidate = call_frame;
}
if(candidate->block_p()) {
compile_soon(state, gct, candidate->compiled_code, call_frame,
candidate->self()->direct_class(state), candidate->block_env(), true);
} else {
if(candidate->compiled_code->can_specialize_p()) {
compile_soon(state, gct, candidate->compiled_code, call_frame,
candidate->self()->direct_class(state));
} else {
compile_soon(state, gct, candidate->compiled_code, call_frame, NULL);
}
}
}
void LLVMState::compile_callframe(STATE, CompiledMethod* start, CallFrame* call_frame,
int primitive) {
if(debug_search) {
std::cout << std::endl << "JIT: triggered: "
<< enclosure_name(start) << "#"
<< symbol_debug_str(start->name()) << std::endl;
}
// if(config().jit_inline_debug) {
// if(start) {
// std::cout << "JIT: target search from "
// << symbol_debug_str(start->name()) << "\n";
// } else {
// std::cout << "JIT: target search from primitive\n";
// }
// }
CallFrame* candidate = find_candidate(state, start, call_frame);
if(!candidate || candidate->jitted_p() || candidate->inline_method_p()) {
if(debug_search) {
std::cout << "JIT: invalid candidate returned" << std::endl;
}
return;
}
if(debug_search) {
std::cout << "! ";
candidate->print_backtrace(state, 1);
}
if(start && candidate->cm != start) {
start->backend_method()->call_count = 0;
}
if(candidate->cm->backend_method()->call_count <= 1) {
if(!start || start->backend_method()->jitted()) return;
// Ignore it. compile this one.
candidate = call_frame;
}
if(candidate->block_p()) {
compile_soon(state, candidate->cm, candidate->block_env(), true);
} else {
if(candidate->cm->can_specialize_p()) {
compile_soon(state, candidate->cm, candidate->self()->class_object(state));
} else {
compile_soon(state, candidate->cm, cNil);
}
}
}
virtual void read(Output& output) {
GlobalLock::LockGuard guard(shared_.global_lock());
output.ok("value");
output.e().write_tuple(shared_.call_frame_locations().size());
for(CallFrameLocationList::iterator i = shared_.call_frame_locations().begin();
i != shared_.call_frame_locations().end();
i++) {
CallFrame* loc = *(*i);
std::ostringstream ss;
loc->print_backtrace(state_, ss);
output.e().write_binary(ss.str().c_str());
}
}
bool QueryAgent::process_commands(int client) {
bert::IOReader reader(client);
bert::Decoder<bert::IOReader> decoder(reader);
bert::IOWriter writer(client);
bert::Encoder<bert::IOWriter> encoder(writer);
int ver = decoder.read_version();
if(ver != 131) return false;
bert::Value* val = decoder.next_value();
if(!val || reader.eof_p()) return false;
encoder.write_version();
if(val->type() == bert::Tuple) {
bert::Value* cmd = val->get_element(0);
if(cmd->equal_atom("uname")) {
struct utsname name;
if(uname(&name)) {
encoder.write_atom("error");
return true;
} else {
encoder.write_tuple(5);
encoder.write_binary(name.sysname);
encoder.write_binary(name.nodename);
encoder.write_binary(name.release);
encoder.write_binary(name.version);
encoder.write_binary(name.machine);
return true;
}
} else if(cmd->equal_atom("set_config")) {
if(val->elements()->size() == 3) {
bert::Value* key = val->get_element(1);
bert::Value* value = val->get_element(2);
if(key->type() == bert::Binary &&
value->type() == bert::Binary) {
if(shared_.config.import(key->string(), value->string())) {
encoder.write_atom("ok");
} else {
encoder.write_atom("unknown_key");
}
return true;
}
}
encoder.write_atom("error");
return true;
} else if(cmd->equal_atom("get_config")) {
if(val->elements()->size() == 2) {
bert::Value* key = val->get_element(1);
if(key->type() == bert::Binary) {
if(config::ConfigItem* item = shared_.config.find(key->string())) {
std::stringstream ss;
item->print_value(ss);
encoder.write_tuple(2);
encoder.write_atom("ok");
if(config::Integer* i = dynamic_cast<config::Integer*>(item)) {
encoder.write_integer(i->value);
} else {
encoder.write_binary(ss.str().c_str());
}
} else {
encoder.write_atom("unknown_key");
}
return true;
}
}
encoder.write_atom("error");
return true;
} else if(cmd->equal_atom("backtrace")) {
if(verbose_) {
std::cerr << "[QA: Gathering backtraces, pausing threads]\n";
}
encoder.write_tuple(2);
encoder.write_atom("ok");
{
GlobalLock::LockGuard guard(shared_.global_lock());
encoder.write_tuple(shared_.call_frame_locations().size());
for(CallFrameLocationList::iterator i = shared_.call_frame_locations().begin();
i != shared_.call_frame_locations().end();
i++) {
CallFrame* loc = *(*i);
std::ostringstream ss;
loc->print_backtrace(state_, ss);
encoder.write_binary(ss.str().c_str());
}
}
if(verbose_) {
std::cerr << "[QA: Threads restarted]\n";
}
}
return true;
} else if(val->equal_atom("close")) {
encoder.write_atom("bye");
return false;
}
encoder.write_atom("unknown");
return true;
}
