void asys::DebugInfo::pushCallInfo(int index)
{
CallInfo* pCallInfo = new CallInfo;
pCallInfo->init(m_pMachine, index);
m_callStack.push_back(pCallInfo);
m_pLocalVariables = &pCallInfo->m_variables;
}
CallInfo Call::getInfo() const throw(Error)
{
pjsua_call_info pj_ci;
CallInfo ci;
PJSUA2_CHECK_EXPR( pjsua_call_get_info(id, &pj_ci) );
ci.fromPj(pj_ci);
return ci;
}
void JavaCalls::call_static(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
CallInfo callinfo;
LinkResolver::resolve_static_call(callinfo, klass, name, signature, KlassHandle(), false, true, CHECK);
methodHandle method = callinfo.selected_method();
assert(method.not_null(), "should have thrown exception");
// Invoke the method
JavaCalls::call(result, method, args, CHECK);
}
void JavaCalls::call_static(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
CallInfo callinfo;
LinkResolver::resolve_static_call(callinfo, klass, name, signature, KlassHandle(), false, true, CHECK);
methodHandle method = callinfo.selected_method();
assert(method.not_null(), "should have thrown exception");
//signature->
// Invoke the method
printf("%s[%d] [tid: %lu]: 开始调用Java中的静态方法[%s.%s%s]...\n", __FILE__, __LINE__, pthread_self(), klass->external_name(), name->as_C_string(), signature->as_C_string());
JavaCalls::call(result, method, args, CHECK);
}
void JavaCalls::call_special(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
CallInfo callinfo;
LinkInfo link_info(klass, name, signature, KlassHandle(), /*check_access*/false);
LinkResolver::resolve_special_call(callinfo, link_info, CHECK);
methodHandle method = callinfo.selected_method();
assert(method.not_null(), "should have thrown exception");
// Invoke the method
JavaCalls::call(result, method, args, CHECK);
}
CallInfo* CallList::find(const CallEndpoint* call)
{
ObjList* l = m_calls.skipNull();
for (; l; l = l->skipNext()) {
CallInfo* info = static_cast<CallInfo*>(l->get());
if (info->call() == call)
return info;
}
return 0;
}
bool MultiRouter::msgDisconnected(Message& msg, CallInfo& info)
{
info.copyParams(msg,true,"reason","error",0);
Message* m = buildExecute(info,msg.getBoolValue("reroute"));
if (m) {
m->userData(info.call());
Engine::enqueue(m);
return true;
}
return false;
}
void JavaCalls::call_virtual(JavaValue* result, KlassHandle spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
CallInfo callinfo;
Handle receiver = args->receiver();
KlassHandle recvrKlass(THREAD, receiver.is_null() ? (Klass*)NULL : receiver->klass());
LinkInfo link_info(spec_klass, name, signature);
LinkResolver::resolve_virtual_call(
callinfo, receiver, recvrKlass, link_info, true, CHECK);
methodHandle method = callinfo.selected_method();
assert(method.not_null(), "should have thrown exception");
// Invoke the method
JavaCalls::call(result, method, args, CHECK);
}
void SourceAssembler::define_call_info() {
#if ENABLE_EMBEDDED_CALLINFO
// Only the interpreter defined call info in the source assembler
CallInfo ci = CallInfo::interpreter();
emit_comment("call info");
if (!GenerateGNUCode)
if (!GenerateInlineAsm)
emit("\ttest eax, %d\n", ci.raw());
else
emit("\t__asm test eax, %d\n", ci.raw());
else
emit("\ttest $%d, %%eax\n", ci.raw());
#endif // ENABLE_EMBEDDED_CALLINFO
}
void JavaCalls::call_virtual(JavaValue* result, KlassHandle spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
CallInfo callinfo;
Handle receiver = args->receiver();
KlassHandle recvrKlass(THREAD, receiver.is_null() ? (klassOop)NULL : receiver->klass());
LinkResolver::resolve_virtual_call(
callinfo, receiver, recvrKlass, spec_klass, name, signature,
KlassHandle(), false, true, CHECK);
methodHandle method = callinfo.selected_method();
assert(method.not_null(), "should have thrown exception");
printf("%s[%d] [tid: %lu]: 开始调用Java中的方法[%s.%s%s]...\n", __FILE__, __LINE__, pthread_self(), spec_klass->external_name(), name->as_C_string(), signature->as_C_string());
// Invoke the method
JavaCalls::call(result, method, args, CHECK);
}
void ConstantPoolCacheEntry::set_method_handle_common(constantPoolHandle cpool,
Bytecodes::Code invoke_code,
const CallInfo &call_info) {
// NOTE: This CPCE can be the subject of data races.
// There are three words to update: flags, refs[f2], f1 (in that order).
// Writers must store all other values before f1.
// Readers must test f1 first for non-null before reading other fields.
// Competing writers must acquire exclusive access via a lock.
// A losing writer waits on the lock until the winner writes f1 and leaves
// the lock, so that when the losing writer returns, he can use the linked
// cache entry.
MonitorLockerEx ml(cpool->lock());
if (!is_f1_null()) {
return;
}
const methodHandle adapter = call_info.resolved_method();
const Handle appendix = call_info.resolved_appendix();
const Handle method_type = call_info.resolved_method_type();
const bool has_appendix = appendix.not_null();
const bool has_method_type = method_type.not_null();
// Write the flags.
set_method_flags(as_TosState(adapter->result_type()),
((has_appendix ? 1 : 0) << has_appendix_shift ) |
((has_method_type ? 1 : 0) << has_method_type_shift) |
( 1 << is_final_shift ),
adapter->size_of_parameters());
if (TraceInvokeDynamic) {
tty->print_cr("set_method_handle bc=%d appendix="PTR_FORMAT"%s method_type="PTR_FORMAT"%s method="PTR_FORMAT" ",
invoke_code,
(void *)appendix(), (has_appendix ? "" : " (unused)"),
(void *)method_type(), (has_method_type ? "" : " (unused)"),
(intptr_t)adapter());
adapter->print();
if (has_appendix) appendix()->print();
}
// Method handle invokes and invokedynamic sites use both cp cache words.
// refs[f2], if not null, contains a value passed as a trailing argument to the adapter.
// In the general case, this could be the call site's MethodType,
// for use with java.lang.Invokers.checkExactType, or else a CallSite object.
// f1 contains the adapter method which manages the actual call.
// In the general case, this is a compiled LambdaForm.
// (The Java code is free to optimize these calls by binding other
// sorts of methods and appendices to call sites.)
// JVM-level linking is via f1, as if for invokespecial, and signatures are erased.
// The appendix argument (if any) is added to the signature, and is counted in the parameter_size bits.
// Even with the appendix, the method will never take more than 255 parameter slots.
//
// This means that given a call site like (List)mh.invoke("foo"),
// the f1 method has signature '(Ljl/Object;Ljl/invoke/MethodType;)Ljl/Object;',
// not '(Ljava/lang/String;)Ljava/util/List;'.
// The fact that String and List are involved is encoded in the MethodType in refs[f2].
// This allows us to create fewer method oops, while keeping type safety.
//
objArrayHandle resolved_references = cpool->resolved_references();
// Store appendix, if any.
if (has_appendix) {
const int appendix_index = f2_as_index() + _indy_resolved_references_appendix_offset;
assert(appendix_index >= 0 && appendix_index < resolved_references->length(), "oob");
assert(resolved_references->obj_at(appendix_index) == NULL, "init just once");
resolved_references->obj_at_put(appendix_index, appendix());
}
// Store MethodType, if any.
if (has_method_type) {
const int method_type_index = f2_as_index() + _indy_resolved_references_method_type_offset;
assert(method_type_index >= 0 && method_type_index < resolved_references->length(), "oob");
assert(resolved_references->obj_at(method_type_index) == NULL, "init just once");
resolved_references->obj_at_put(method_type_index, method_type());
}
release_set_f1(adapter()); // This must be the last one to set (see NOTE above)!
// The interpreter assembly code does not check byte_2,
// but it is used by is_resolved, method_if_resolved, etc.
set_bytecode_1(invoke_code);
NOT_PRODUCT(verify(tty));
if (TraceInvokeDynamic) {
this->print(tty, 0);
}
}
void SourceAssembler::define_call_info() {
#if ENABLE_EMBEDDED_CALLINFO
CallInfo ci = CallInfo::interpreter();
define_long(ci.raw());
#endif
}
bool MultiRouter::received(Message& msg, int id)
{
CallEndpoint* call = static_cast<CallEndpoint*>(msg.userObject(YATOM("CallEndpoint")));
bool first = false;
CallInfo* info = 0;
String chanid(msg.getValue("id"));
Lock lock(this);
if (call)
info = m_list.find(call);
if (info) {
if (*info != chanid) {
Debug(DebugGoOn,"Channel mismatch! call=%p id='%s' stored='%s'",
call,chanid.c_str(),info->c_str());
return false;
}
}
else
info = m_list.find(chanid);
if (info) {
if (!call)
call = info->call();
else if (!info->call())
info->setCall(call);
else if (info->call() != call) {
Debug(DebugGoOn,"Channel mismatch! id='%s' call=%p stored=%p",
chanid.c_str(),call,info->call());
return false;
}
}
else if ((id == Route) || (id == Execute)) {
info = new CallInfo(chanid,call);
info->copyParams(msg,false,"module","address","billid","caller","called","callername",0);
m_list.append(info);
first = true;
DDebug(DebugInfo,"MultiRouter built '%s' @ %p for %p",
chanid.c_str(),info,call);
}
else
return false;
DDebug(DebugAll,"MultiRouter::received '%s' for '%s' info=%p call=%p",
msg.c_str(),chanid.c_str(),info,call);
switch (id) {
case Route:
return msgRoute(msg,*info,first);
case Execute:
if (!call)
return false;
return msgExecute(msg,*info,first);
case Disconnected:
return msgDisconnected(msg,*info);
case Hangup:
info->clearCall();
msgHangup(msg,*info);
m_list.remove(info);
DDebug(DebugInfo,"MultiRouter destroyed '%s' @ %p",info->c_str(),info);
info->destruct();
break;
default:
Debug(DebugFail,"Invalid id %d in MultiRouter::received()",id);
}
return false;
}
