BasicType frame::interpreter_frame_result(oop* oop_result, jvalue* value_result) {
assert(is_interpreted_frame(), "interpreted frame expected");
Method* method = interpreter_frame_method();
BasicType type = method->result_type();
if (method->is_native()) {
// Prior to calling into the runtime to notify the method exit the possible
// result value is saved into the interpreter frame.
address lresult = (address)&(get_ijava_state()->lresult);
address fresult = (address)&(get_ijava_state()->fresult);
switch (method->result_type()) {
case T_OBJECT:
case T_ARRAY: {
*oop_result = JNIHandles::resolve(*(jobject*)lresult);
break;
}
// We use std/stfd to store the values.
case T_BOOLEAN : value_result->z = (jboolean) *(unsigned long*)lresult; break;
case T_INT : value_result->i = (jint) *(long*)lresult; break;
case T_CHAR : value_result->c = (jchar) *(unsigned long*)lresult; break;
case T_SHORT : value_result->s = (jshort) *(long*)lresult; break;
case T_BYTE : value_result->z = (jbyte) *(long*)lresult; break;
case T_LONG : value_result->j = (jlong) *(long*)lresult; break;
case T_FLOAT : value_result->f = (jfloat) *(double*)fresult; break;
case T_DOUBLE : value_result->d = (jdouble) *(double*)fresult; break;
case T_VOID : /* Nothing to do */ break;
default : ShouldNotReachHere();
}
} else {
intptr_t* tos_addr = interpreter_frame_tos_address();
switch (method->result_type()) {
case T_OBJECT:
case T_ARRAY: {
oop obj = *(oop*)tos_addr;
assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check");
*oop_result = obj;
}
case T_BOOLEAN : value_result->z = (jboolean) *(jint*)tos_addr; break;
case T_BYTE : value_result->b = (jbyte) *(jint*)tos_addr; break;
case T_CHAR : value_result->c = (jchar) *(jint*)tos_addr; break;
case T_SHORT : value_result->s = (jshort) *(jint*)tos_addr; break;
case T_INT : value_result->i = *(jint*)tos_addr; break;
case T_LONG : value_result->j = *(jlong*)tos_addr; break;
case T_FLOAT : value_result->f = *(jfloat*)tos_addr; break;
case T_DOUBLE : value_result->d = *(jdouble*)tos_addr; break;
case T_VOID : /* Nothing to do */ break;
default : ShouldNotReachHere();
}
}
return type;
}
BasicType frame::interpreter_frame_result(oop* oop_result, jvalue* value_result) {
#ifdef CC_INTERP
// Needed for JVMTI. The result should always be in the
// interpreterState object
interpreterState istate = get_interpreterState();
#endif // CC_INTERP
assert(is_interpreted_frame(), "interpreted frame expected");
methodOop method = interpreter_frame_method();
BasicType type = method->result_type();
intptr_t* tos_addr;
if (method->is_native()) {
// Prior to calling into the runtime to report the method_exit the possible
// return value is pushed to the native stack. If the result is a jfloat/jdouble
// then ST0 is saved before EAX/EDX. See the note in generate_native_result
tos_addr = (intptr_t*)sp();
if (type == T_FLOAT || type == T_DOUBLE) {
// QQQ seems like this code is equivalent on the two platforms
#ifdef AMD64
// This is times two because we do a push(ltos) after pushing XMM0
// and that takes two interpreter stack slots.
tos_addr += 2 * Interpreter::stackElementWords;
#else
tos_addr += 2;
#endif // AMD64
}
} else {
tos_addr = (intptr_t*)interpreter_frame_tos_address();
}
switch (type) {
case T_OBJECT :
case T_ARRAY : {
oop obj;
if (method->is_native()) {
#ifdef CC_INTERP
obj = istate->_oop_temp;
#else
obj = (oop) at(interpreter_frame_oop_temp_offset);
#endif // CC_INTERP
} else {
oop* obj_p = (oop*)tos_addr;
obj = (obj_p == NULL) ? (oop)NULL : *obj_p;
}
assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check");
*oop_result = obj;
break;
}
case T_BOOLEAN : value_result->z = *(jboolean*)tos_addr; break;
case T_BYTE : value_result->b = *(jbyte*)tos_addr; break;
case T_CHAR : value_result->c = *(jchar*)tos_addr; break;
case T_SHORT : value_result->s = *(jshort*)tos_addr; break;
case T_INT : value_result->i = *(jint*)tos_addr; break;
case T_LONG : value_result->j = *(jlong*)tos_addr; break;
case T_FLOAT : {
#ifdef AMD64
value_result->f = *(jfloat*)tos_addr;
#else
if (method->is_native()) {
jdouble d = *(jdouble*)tos_addr; // Result was in ST0 so need to convert to jfloat
value_result->f = (jfloat)d;
} else {
value_result->f = *(jfloat*)tos_addr;
}
#endif // AMD64
break;
}
case T_DOUBLE : value_result->d = *(jdouble*)tos_addr; break;
case T_VOID : /* Nothing to do */ break;
default : ShouldNotReachHere();
}
return type;
}
BasicType frame::interpreter_frame_result(oop* oop_result, jvalue* value_result) {
assert(is_interpreted_frame(), "interpreted frame expected");
methodOop method = interpreter_frame_method();
BasicType type = method->result_type();
if (method->is_native()) {
// Prior to notifying the runtime of the method_exit the possible result
// value is saved to l_scratch and d_scratch.
#ifdef CC_INTERP
interpreterState istate = get_interpreterState();
intptr_t* l_scratch = (intptr_t*) &istate->_native_lresult;
intptr_t* d_scratch = (intptr_t*) &istate->_native_fresult;
#else /* CC_INTERP */
intptr_t* l_scratch = fp() + interpreter_frame_l_scratch_fp_offset;
intptr_t* d_scratch = fp() + interpreter_frame_d_scratch_fp_offset;
#endif /* CC_INTERP */
address l_addr = (address)l_scratch;
#ifdef _LP64
// On 64-bit the result for 1/8/16/32-bit result types is in the other
// word half
l_addr += wordSize/2;
#endif
switch (type) {
case T_OBJECT:
case T_ARRAY: {
#ifdef CC_INTERP
*oop_result = istate->_oop_temp;
#else
oop obj = (oop) at(interpreter_frame_oop_temp_offset);
assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check");
*oop_result = obj;
#endif // CC_INTERP
break;
}
case T_BOOLEAN : { jint* p = (jint*)l_addr; value_result->z = (jboolean)((*p) & 0x1); break; }
case T_BYTE : { jint* p = (jint*)l_addr; value_result->b = (jbyte)((*p) & 0xff); break; }
case T_CHAR : { jint* p = (jint*)l_addr; value_result->c = (jchar)((*p) & 0xffff); break; }
case T_SHORT : { jint* p = (jint*)l_addr; value_result->s = (jshort)((*p) & 0xffff); break; }
case T_INT : value_result->i = *(jint*)l_addr; break;
case T_LONG : value_result->j = *(jlong*)l_scratch; break;
case T_FLOAT : value_result->f = *(jfloat*)d_scratch; break;
case T_DOUBLE : value_result->d = *(jdouble*)d_scratch; break;
case T_VOID : /* Nothing to do */ break;
default : ShouldNotReachHere();
}
} else {
intptr_t* tos_addr = interpreter_frame_tos_address();
switch(type) {
case T_OBJECT:
case T_ARRAY: {
oop obj = (oop)*tos_addr;
assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check");
*oop_result = obj;
break;
}
case T_BOOLEAN : { jint* p = (jint*)tos_addr; value_result->z = (jboolean)((*p) & 0x1); break; }
case T_BYTE : { jint* p = (jint*)tos_addr; value_result->b = (jbyte)((*p) & 0xff); break; }
case T_CHAR : { jint* p = (jint*)tos_addr; value_result->c = (jchar)((*p) & 0xffff); break; }
case T_SHORT : { jint* p = (jint*)tos_addr; value_result->s = (jshort)((*p) & 0xffff); break; }
case T_INT : value_result->i = *(jint*)tos_addr; break;
case T_LONG : value_result->j = *(jlong*)tos_addr; break;
case T_FLOAT : value_result->f = *(jfloat*)tos_addr; break;
case T_DOUBLE : value_result->d = *(jdouble*)tos_addr; break;
case T_VOID : /* Nothing to do */ break;
default : ShouldNotReachHere();
}
};
return type;
}
inline address frame::interpreter_frame_bcp() const {
return interpreter_frame_method()->bcp_from(interpreter_frame_bci());
}