intptr_t* frame::interpreter_frame_sender_sp() const {
assert(is_interpreted_frame(), "interpreted frame expected");
// QQQ why does this specialize method exist if frame::sender_sp() does same thing?
// seems odd and if we always know interpreted vs. non then sender_sp() is really
// doing too much work.
return get_interpreterState()->sender_sp();
}
inline intptr_t* frame::sender_sp() const {
// Hmm this seems awfully expensive QQQ, is this really called with interpreted frames?
if (is_interpreted_frame()) {
assert(false, "should never happen");
return get_interpreterState()->sender_sp();
} else {
return addr_at(sender_sp_offset);
}
}
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();
intptr_t* tos_addr = (intptr_t *) interpreter_frame_tos_address();
oop obj;
switch (type) {
case T_VOID:
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:
value_result->f = *(jfloat *) tos_addr;
break;
case T_DOUBLE:
value_result->d = *(jdouble *) tos_addr;
break;
case T_OBJECT:
case T_ARRAY:
if (method->is_native()) {
obj = get_interpreterState()->oop_temp();
}
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;
default:
ShouldNotReachHere();
}
return type;
}
void frame::patch_pc(Thread* thread, address pc) {
if (pc != NULL) {
_cb = CodeCache::find_blob(pc);
SharkFrame* sharkframe = zeroframe()->as_shark_frame();
sharkframe->set_pc(pc);
_pc = pc;
_deopt_state = is_deoptimized;
} else {
// We borrow this call to set the thread pointer in the interpreter
// state; the hook to set up deoptimized frames isn't supplied it.
assert(pc == NULL, "should be");
get_interpreterState()->set_thread((JavaThread *) thread);
}
}
void frame::describe_pd(FrameValues& values, int frame_no) {
if (is_interpreted_frame()) {
#ifdef CC_INTERP
interpreterState istate = get_interpreterState();
values.describe(frame_no, (intptr_t*)istate, "istate");
values.describe(frame_no, (intptr_t*)&(istate->_thread), " thread");
values.describe(frame_no, (intptr_t*)&(istate->_bcp), " bcp");
values.describe(frame_no, (intptr_t*)&(istate->_locals), " locals");
values.describe(frame_no, (intptr_t*)&(istate->_constants), " constants");
values.describe(frame_no, (intptr_t*)&(istate->_method), err_msg(" method = %s", istate->_method->name_and_sig_as_C_string()));
values.describe(frame_no, (intptr_t*)&(istate->_mdx), " mdx");
values.describe(frame_no, (intptr_t*)&(istate->_stack), " stack");
values.describe(frame_no, (intptr_t*)&(istate->_msg), err_msg(" msg = %s", BytecodeInterpreter::C_msg(istate->_msg)));
values.describe(frame_no, (intptr_t*)&(istate->_result), " result");
values.describe(frame_no, (intptr_t*)&(istate->_prev_link), " prev_link");
values.describe(frame_no, (intptr_t*)&(istate->_oop_temp), " oop_temp");
values.describe(frame_no, (intptr_t*)&(istate->_stack_base), " stack_base");
values.describe(frame_no, (intptr_t*)&(istate->_stack_limit), " stack_limit");
values.describe(frame_no, (intptr_t*)&(istate->_monitor_base), " monitor_base");
values.describe(frame_no, (intptr_t*)&(istate->_frame_bottom), " frame_bottom");
values.describe(frame_no, (intptr_t*)&(istate->_last_Java_pc), " last_Java_pc");
values.describe(frame_no, (intptr_t*)&(istate->_last_Java_fp), " last_Java_fp");
values.describe(frame_no, (intptr_t*)&(istate->_last_Java_sp), " last_Java_sp");
values.describe(frame_no, (intptr_t*)&(istate->_self_link), " self_link");
values.describe(frame_no, (intptr_t*)&(istate->_native_fresult), " native_fresult");
values.describe(frame_no, (intptr_t*)&(istate->_native_lresult), " native_lresult");
#else
#define DESCRIBE_ADDRESS(name) \
values.describe(frame_no, (intptr_t*)&(get_ijava_state()->name), #name);
DESCRIBE_ADDRESS(method);
DESCRIBE_ADDRESS(locals);
DESCRIBE_ADDRESS(monitors);
DESCRIBE_ADDRESS(cpoolCache);
DESCRIBE_ADDRESS(bcp);
DESCRIBE_ADDRESS(esp);
DESCRIBE_ADDRESS(mdx);
DESCRIBE_ADDRESS(top_frame_sp);
DESCRIBE_ADDRESS(sender_sp);
DESCRIBE_ADDRESS(oop_tmp);
DESCRIBE_ADDRESS(lresult);
DESCRIBE_ADDRESS(fresult);
#endif
}
}
inline intptr_t* frame::interpreter_frame_mdx_addr() const {
assert(is_interpreted_frame(), "must be interpreted");
return (intptr_t*) &(get_interpreterState()->_mdx);
}
BasicObjectLock* frame::interpreter_frame_monitor_end() const {
return (BasicObjectLock*) get_interpreterState()->stack_base();
}
inline methodOop* frame::interpreter_frame_method_addr() const {
interpreterState istate = get_interpreterState();
return &istate->_method;
}
inline intptr_t* frame::interpreter_frame_mdx_addr() const {
return (intptr_t*) &(get_interpreterState()->_mdx);
}
// top of expression stack (lowest address)
inline intptr_t* frame::interpreter_frame_tos_address() const {
interpreterState istate = get_interpreterState();
return istate->_stack + 1; // Is this off by one? QQQ
}
inline methodOop* frame::interpreter_frame_method_addr() const {
return &(get_interpreterState()->_method);
}
inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const {
return &(get_interpreterState()->_constants);
}
inline intptr_t* frame::interpreter_frame_tos_address() const {
return get_interpreterState()->_stack + 1;
}
// top of expression stack
inline intptr_t* frame::interpreter_frame_tos_address() const {
assert(is_interpreted_frame(), "wrong frame type");
return get_interpreterState()->_stack + 1;
}
// where LcpoolCache is saved:
inline constantPoolCacheOop* frame::interpreter_frame_cpoolcache_addr() const {
interpreterState istate = get_interpreterState();
return &istate->_constants; // should really use accessor
}
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 constantPoolCacheOop* frame::interpreter_frame_cache_addr() const {
interpreterState istate = get_interpreterState();
return &istate->_constants;
}
BasicObjectLock* frame::interpreter_frame_monitor_begin() const {
return get_interpreterState()->monitor_base();
}
inline intptr_t* frame::interpreter_frame_mdx_addr() const {
interpreterState istate = get_interpreterState();
return (intptr_t*) &istate->_mdx;
}
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");
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.
#ifdef CC_INTERP
interpreterState istate = get_interpreterState();
address lresult = (address)istate + in_bytes(BytecodeInterpreter::native_lresult_offset());
address fresult = (address)istate + in_bytes(BytecodeInterpreter::native_fresult_offset());
#else
address lresult = (address)&(get_ijava_state()->lresult);
address fresult = (address)&(get_ijava_state()->fresult);
#endif
switch (method->result_type()) {
case T_OBJECT:
case T_ARRAY: {
oop* obj_p = *(oop**)lresult;
oop obj = (obj_p == NULL) ? (oop)NULL : *obj_p;
assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check");
*oop_result = obj;
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;
}