9c458decf5
Add src/cpu/aarch64/vm/* interpreter, shared runtime files. Reviewed-by: kvn, roland, coleenp, twisti
429 lines
11 KiB
C++
429 lines
11 KiB
C++
/*
|
|
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright (c) 2014, Red Hat Inc. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
#include "precompiled.hpp"
|
|
#include "interpreter/interpreter.hpp"
|
|
#include "interpreter/interpreterRuntime.hpp"
|
|
#include "memory/allocation.inline.hpp"
|
|
#include "memory/universe.inline.hpp"
|
|
#include "oops/method.hpp"
|
|
#include "oops/oop.inline.hpp"
|
|
#include "runtime/handles.inline.hpp"
|
|
#include "runtime/icache.hpp"
|
|
#include "runtime/interfaceSupport.hpp"
|
|
#include "runtime/signature.hpp"
|
|
|
|
#define __ _masm->
|
|
|
|
// Implementation of SignatureHandlerGenerator
|
|
Register InterpreterRuntime::SignatureHandlerGenerator::from() { return rlocals; }
|
|
Register InterpreterRuntime::SignatureHandlerGenerator::to() { return sp; }
|
|
Register InterpreterRuntime::SignatureHandlerGenerator::temp() { return rscratch1; }
|
|
|
|
void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {
|
|
const Address src(from(), Interpreter::local_offset_in_bytes(offset()));
|
|
|
|
switch (_num_int_args) {
|
|
case 0:
|
|
__ ldr(c_rarg1, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 1:
|
|
__ ldr(c_rarg2, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 2:
|
|
__ ldr(c_rarg3, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 3:
|
|
__ ldr(c_rarg4, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 4:
|
|
__ ldr(c_rarg5, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 5:
|
|
__ ldr(c_rarg6, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 6:
|
|
__ ldr(c_rarg7, src);
|
|
_num_int_args++;
|
|
break;
|
|
default:
|
|
__ ldr(r0, src);
|
|
__ str(r0, Address(to(), _stack_offset));
|
|
_stack_offset += wordSize;
|
|
_num_int_args++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
|
|
const Address src(from(), Interpreter::local_offset_in_bytes(offset() + 1));
|
|
|
|
switch (_num_int_args) {
|
|
case 0:
|
|
__ ldr(c_rarg1, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 1:
|
|
__ ldr(c_rarg2, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 2:
|
|
__ ldr(c_rarg3, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 3:
|
|
__ ldr(c_rarg4, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 4:
|
|
__ ldr(c_rarg5, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 5:
|
|
__ ldr(c_rarg6, src);
|
|
_num_int_args++;
|
|
break;
|
|
case 6:
|
|
__ ldr(c_rarg7, src);
|
|
_num_int_args++;
|
|
break;
|
|
default:
|
|
__ ldr(r0, src);
|
|
__ str(r0, Address(to(), _stack_offset));
|
|
_stack_offset += wordSize;
|
|
_num_int_args++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
|
|
const Address src(from(), Interpreter::local_offset_in_bytes(offset()));
|
|
|
|
if (_num_fp_args < Argument::n_float_register_parameters_c) {
|
|
__ ldrs(as_FloatRegister(_num_fp_args++), src);
|
|
} else {
|
|
__ ldrh(r0, src);
|
|
__ strh(r0, Address(to(), _stack_offset));
|
|
_stack_offset += wordSize;
|
|
_num_fp_args++;
|
|
}
|
|
}
|
|
|
|
void InterpreterRuntime::SignatureHandlerGenerator::pass_double() {
|
|
const Address src(from(), Interpreter::local_offset_in_bytes(offset() + 1));
|
|
|
|
if (_num_fp_args < Argument::n_float_register_parameters_c) {
|
|
__ ldrd(as_FloatRegister(_num_fp_args++), src);
|
|
} else {
|
|
__ ldr(r0, src);
|
|
__ str(r0, Address(to(), _stack_offset));
|
|
_stack_offset += wordSize;
|
|
_num_fp_args++;
|
|
}
|
|
}
|
|
|
|
void InterpreterRuntime::SignatureHandlerGenerator::pass_object() {
|
|
|
|
switch (_num_int_args) {
|
|
case 0:
|
|
assert(offset() == 0, "argument register 1 can only be (non-null) receiver");
|
|
__ add(c_rarg1, from(), Interpreter::local_offset_in_bytes(offset()));
|
|
_num_int_args++;
|
|
break;
|
|
case 1:
|
|
{
|
|
__ add(r0, from(), Interpreter::local_offset_in_bytes(offset()));
|
|
__ mov(c_rarg2, 0);
|
|
__ ldr(temp(), r0);
|
|
Label L;
|
|
__ cbz(temp(), L);
|
|
__ mov(c_rarg2, r0);
|
|
__ bind(L);
|
|
_num_int_args++;
|
|
break;
|
|
}
|
|
case 2:
|
|
{
|
|
__ add(r0, from(), Interpreter::local_offset_in_bytes(offset()));
|
|
__ mov(c_rarg3, 0);
|
|
__ ldr(temp(), r0);
|
|
Label L;
|
|
__ cbz(temp(), L);
|
|
__ mov(c_rarg3, r0);
|
|
__ bind(L);
|
|
_num_int_args++;
|
|
break;
|
|
}
|
|
case 3:
|
|
{
|
|
__ add(r0, from(), Interpreter::local_offset_in_bytes(offset()));
|
|
__ mov(c_rarg4, 0);
|
|
__ ldr(temp(), r0);
|
|
Label L;
|
|
__ cbz(temp(), L);
|
|
__ mov(c_rarg4, r0);
|
|
__ bind(L);
|
|
_num_int_args++;
|
|
break;
|
|
}
|
|
case 4:
|
|
{
|
|
__ add(r0, from(), Interpreter::local_offset_in_bytes(offset()));
|
|
__ mov(c_rarg5, 0);
|
|
__ ldr(temp(), r0);
|
|
Label L;
|
|
__ cbz(temp(), L);
|
|
__ mov(c_rarg5, r0);
|
|
__ bind(L);
|
|
_num_int_args++;
|
|
break;
|
|
}
|
|
case 5:
|
|
{
|
|
__ add(r0, from(), Interpreter::local_offset_in_bytes(offset()));
|
|
__ mov(c_rarg6, 0);
|
|
__ ldr(temp(), r0);
|
|
Label L;
|
|
__ cbz(temp(), L);
|
|
__ mov(c_rarg6, r0);
|
|
__ bind(L);
|
|
_num_int_args++;
|
|
break;
|
|
}
|
|
case 6:
|
|
{
|
|
__ add(r0, from(), Interpreter::local_offset_in_bytes(offset()));
|
|
__ mov(c_rarg7, 0);
|
|
__ ldr(temp(), r0);
|
|
Label L;
|
|
__ cbz(temp(), L);
|
|
__ mov(c_rarg7, r0);
|
|
__ bind(L);
|
|
_num_int_args++;
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
__ add(r0, from(), Interpreter::local_offset_in_bytes(offset()));
|
|
__ ldr(temp(), r0);
|
|
Label L;
|
|
__ cbnz(temp(), L);
|
|
__ mov(r0, zr);
|
|
__ bind(L);
|
|
__ str(r0, Address(to(), _stack_offset));
|
|
_stack_offset += wordSize;
|
|
_num_int_args++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) {
|
|
// generate code to handle arguments
|
|
iterate(fingerprint);
|
|
|
|
// set the call format
|
|
// n.b. allow extra 1 for the JNI_Env in c_rarg0
|
|
unsigned int call_format = ((_num_int_args + 1) << 6) | (_num_fp_args << 2);
|
|
|
|
switch (method()->result_type()) {
|
|
case T_VOID:
|
|
call_format |= MacroAssembler::ret_type_void;
|
|
break;
|
|
case T_FLOAT:
|
|
call_format |= MacroAssembler::ret_type_float;
|
|
break;
|
|
case T_DOUBLE:
|
|
call_format |= MacroAssembler::ret_type_double;
|
|
break;
|
|
default:
|
|
call_format |= MacroAssembler::ret_type_integral;
|
|
break;
|
|
}
|
|
|
|
// // store the call format in the method
|
|
// __ movw(r0, call_format);
|
|
// __ str(r0, Address(rmethod, Method::call_format_offset()));
|
|
|
|
// return result handler
|
|
__ lea(r0, ExternalAddress(Interpreter::result_handler(method()->result_type())));
|
|
__ ret(lr);
|
|
|
|
__ flush();
|
|
}
|
|
|
|
|
|
// Implementation of SignatureHandlerLibrary
|
|
|
|
void SignatureHandlerLibrary::pd_set_handler(address handler) {}
|
|
|
|
|
|
class SlowSignatureHandler
|
|
: public NativeSignatureIterator {
|
|
private:
|
|
address _from;
|
|
intptr_t* _to;
|
|
intptr_t* _int_args;
|
|
intptr_t* _fp_args;
|
|
intptr_t* _fp_identifiers;
|
|
unsigned int _num_int_args;
|
|
unsigned int _num_fp_args;
|
|
|
|
virtual void pass_int()
|
|
{
|
|
jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
|
|
_from -= Interpreter::stackElementSize;
|
|
|
|
if (_num_int_args < Argument::n_int_register_parameters_c-1) {
|
|
*_int_args++ = from_obj;
|
|
_num_int_args++;
|
|
} else {
|
|
*_to++ = from_obj;
|
|
_num_int_args++;
|
|
}
|
|
}
|
|
|
|
virtual void pass_long()
|
|
{
|
|
intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
|
|
_from -= 2*Interpreter::stackElementSize;
|
|
|
|
if (_num_int_args < Argument::n_int_register_parameters_c-1) {
|
|
*_int_args++ = from_obj;
|
|
_num_int_args++;
|
|
} else {
|
|
*_to++ = from_obj;
|
|
_num_int_args++;
|
|
}
|
|
}
|
|
|
|
virtual void pass_object()
|
|
{
|
|
intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0));
|
|
_from -= Interpreter::stackElementSize;
|
|
|
|
if (_num_int_args < Argument::n_int_register_parameters_c-1) {
|
|
*_int_args++ = (*from_addr == 0) ? NULL : (intptr_t)from_addr;
|
|
_num_int_args++;
|
|
} else {
|
|
*_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr;
|
|
_num_int_args++;
|
|
}
|
|
}
|
|
|
|
virtual void pass_float()
|
|
{
|
|
jint from_obj = *(jint*)(_from+Interpreter::local_offset_in_bytes(0));
|
|
_from -= Interpreter::stackElementSize;
|
|
|
|
if (_num_fp_args < Argument::n_float_register_parameters_c) {
|
|
*_fp_args++ = from_obj;
|
|
_num_fp_args++;
|
|
} else {
|
|
*_to++ = from_obj;
|
|
_num_int_args++;
|
|
}
|
|
}
|
|
|
|
virtual void pass_double()
|
|
{
|
|
intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
|
|
_from -= 2*Interpreter::stackElementSize;
|
|
|
|
if (_num_fp_args < Argument::n_float_register_parameters_c) {
|
|
*_fp_args++ = from_obj;
|
|
*_fp_identifiers |= (1 << _num_fp_args); // mark as double
|
|
_num_fp_args++;
|
|
} else {
|
|
*_to++ = from_obj;
|
|
_num_int_args++;
|
|
}
|
|
}
|
|
|
|
public:
|
|
SlowSignatureHandler(methodHandle method, address from, intptr_t* to)
|
|
: NativeSignatureIterator(method)
|
|
{
|
|
_from = from;
|
|
_to = to;
|
|
|
|
_int_args = to - (method->is_static() ? 16 : 17);
|
|
_fp_args = to - 8;
|
|
_fp_identifiers = to - 9;
|
|
*(int*) _fp_identifiers = 0;
|
|
_num_int_args = (method->is_static() ? 1 : 0);
|
|
_num_fp_args = 0;
|
|
}
|
|
|
|
// n.b. allow extra 1 for the JNI_Env in c_rarg0
|
|
unsigned int get_call_format()
|
|
{
|
|
unsigned int call_format = ((_num_int_args + 1) << 6) | (_num_fp_args << 2);
|
|
|
|
switch (method()->result_type()) {
|
|
case T_VOID:
|
|
call_format |= MacroAssembler::ret_type_void;
|
|
break;
|
|
case T_FLOAT:
|
|
call_format |= MacroAssembler::ret_type_float;
|
|
break;
|
|
case T_DOUBLE:
|
|
call_format |= MacroAssembler::ret_type_double;
|
|
break;
|
|
default:
|
|
call_format |= MacroAssembler::ret_type_integral;
|
|
break;
|
|
}
|
|
|
|
return call_format;
|
|
}
|
|
};
|
|
|
|
|
|
IRT_ENTRY(address,
|
|
InterpreterRuntime::slow_signature_handler(JavaThread* thread,
|
|
Method* method,
|
|
intptr_t* from,
|
|
intptr_t* to))
|
|
methodHandle m(thread, (Method*)method);
|
|
assert(m->is_native(), "sanity check");
|
|
|
|
// handle arguments
|
|
SlowSignatureHandler ssh(m, (address)from, to);
|
|
ssh.iterate(UCONST64(-1));
|
|
|
|
// // set the call format
|
|
// method->set_call_format(ssh.get_call_format());
|
|
|
|
// return result handler
|
|
return Interpreter::result_handler(m->result_type());
|
|
IRT_END
|