void
JIT_execute_method_default(JIT_Handle jit, jmethodID methodID, jvalue *return_value, jvalue *args) {
// Detecting errors with object headears on stack when using destructive
// unwinding.
void *lastFrame = p_TLS_vmthread->lastFrame;
p_TLS_vmthread->lastFrame = (void*)&lastFrame;
//printf("execute: push: prev = 0x%p, curr=0x%p\n", lastFrame, &lastFrame);
// fprintf(stderr, "Not implemented\n");
Method *method = (Method*) methodID;
TRACE("enter method "
<< method->get_class()->get_name()->bytes << " "
<< method->get_name()->bytes << " "
<< method->get_descriptor()->bytes);
int sz = method->get_num_arg_slots();
void *meth_addr = method->get_code_addr();
U_32 *arg_words = (U_32*) STD_ALLOCA(sz * sizeof(U_32));
int argId = sz;
int pos = 0;
assert(!hythread_is_suspend_enabled());
if (!method->is_static()) {
ObjectHandle handle = (ObjectHandle) args[pos++].l;
assert(handle);
arg_words[--argId] = (unsigned) handle->object;
}
const char *mtype = method->get_descriptor()->bytes + 1;
assert(mtype != 0);
for(; *mtype != ')'; mtype++) {
switch(*mtype) {
case JAVA_TYPE_CLASS:
case JAVA_TYPE_ARRAY:
{
ObjectHandle handle = (ObjectHandle) args[pos++].l;
arg_words[--argId] = (unsigned) (handle ? handle->object : 0);
while(*mtype == '[') mtype++;
if (*mtype == 'L')
while(*mtype != ';') mtype++;
}
break;
case JAVA_TYPE_SHORT:
// sign extend
arg_words[--argId] = (U_32)(I_32) args[pos++].s;
break;
case JAVA_TYPE_BYTE:
// sign extend
arg_words[--argId] = (U_32)(I_32) args[pos++].b;
break;
case JAVA_TYPE_INT:
// sign extend
arg_words[--argId] = (U_32)(I_32) args[pos++].i;
break;
case JAVA_TYPE_FLOAT:
arg_words[--argId] = (I_32) args[pos++].i;
break;
case JAVA_TYPE_BOOLEAN:
arg_words[--argId] = (I_32) args[pos++].z;
break;
case JAVA_TYPE_CHAR:
// zero extend
arg_words[--argId] = (I_32) args[pos++].c;
break;
case JAVA_TYPE_LONG:
case JAVA_TYPE_DOUBLE:
*(jlong*)&arg_words[argId-2] = args[pos++].j;
argId -= 2;
break;
default:
LDIE(53, "Unexpected java type");
}
}
assert(argId >= 0);
jvalue *resultPtr = (jvalue*) return_value;
Java_Type ret_type = method->get_return_java_type();
arg_words += argId;
argId = sz - argId;
static const IntFuncPtr invoke_managed_func = gen_invoke_int_managed_func();
static const FloatFuncPtr invoke_float_managed_func = gen_invoke_float_managed_func();
static const DoubleFuncPtr invoke_double_managed_func = gen_invoke_double_managed_func();
switch(ret_type) {
case JAVA_TYPE_VOID:
invoke_managed_func(arg_words, argId, meth_addr);
break;
case JAVA_TYPE_CLASS:
case JAVA_TYPE_ARRAY:
case JAVA_TYPE_STRING:
{
ManagedObject *ref = ((RefFuncPtr)invoke_managed_func)(arg_words, argId, meth_addr);
ObjectHandle h = oh_allocate_local_handle();
if (ref != NULL) {
h->object = ref;
resultPtr->l = h;
} else {
resultPtr->l = NULL;
}
}
break;
case JAVA_TYPE_BOOLEAN:
case JAVA_TYPE_BYTE:
case JAVA_TYPE_CHAR:
case JAVA_TYPE_SHORT:
case JAVA_TYPE_INT:
resultPtr->i = invoke_managed_func(arg_words, argId, meth_addr);
break;
case JAVA_TYPE_FLOAT:
resultPtr->f = invoke_float_managed_func(arg_words, argId, meth_addr);
break;
case JAVA_TYPE_LONG:
resultPtr->j = ((LongFuncPtr)invoke_managed_func)(arg_words, argId, meth_addr);
break;
case JAVA_TYPE_DOUBLE:
resultPtr->d = invoke_double_managed_func(arg_words, argId, meth_addr);
break;
default:
LDIE(53, "Unexpected java type");
}
if (exn_raised()) {
TRACE("Exception occured: " << exn_get_name());
if ((resultPtr != NULL) && (ret_type != JAVA_TYPE_VOID)) {
resultPtr->l = 0; //clear result
}
}
TRACE("exit method "
<< method->get_class()->get_name()->bytes << " "
<< method->get_name()->bytes << " "
<< method->get_descriptor()->bytes);
// Detecting errors with object headears on stack when using destructive
// unwinding.
//printf("execute: pop: prev = 0x%p, curr=0x%p\n", &lastFrame, lastFrame);
p_TLS_vmthread->lastFrame = lastFrame;
}
