8199264: Remove universe.inline.hpp to simplify include dependencies
Reviewed-by: coleenp, hseigel
/*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "precompiled.hpp"
#include "asm/macroAssembler.inline.hpp"
#include "code/vtableStubs.hpp"
#include "interp_masm_s390.hpp"
#include "memory/resourceArea.hpp"
#include "oops/compiledICHolder.hpp"
#include "oops/instanceKlass.hpp"
#include "oops/klassVtable.hpp"
#include "runtime/sharedRuntime.hpp"
#include "vmreg_s390.inline.hpp"
#ifdef COMPILER2
#include "opto/runtime.hpp"
#endif
// Machine-dependent part of VtableStubs: create vtableStub of correct
// size and initialize its code.
#define __ masm->
#ifndef PRODUCT
extern "C" void bad_compiled_vtable_index(JavaThread* thread, oop receiver, int index);
#endif
// Used by compiler only; may use only caller saved, non-argument registers.
VtableStub* VtableStubs::create_vtable_stub(int vtable_index) {
const int code_length = VtableStub::pd_code_size_limit(true);
VtableStub *s = new(code_length) VtableStub(true, vtable_index);
if (s == NULL) { // Indicates OOM In the code cache.
return NULL;
}
ResourceMark rm;
CodeBuffer cb(s->entry_point(), code_length);
MacroAssembler *masm = new MacroAssembler(&cb);
int padding_bytes = 0;
#if (!defined(PRODUCT) && defined(COMPILER2))
if (CountCompiledCalls) {
// Count unused bytes
// worst case actual size
padding_bytes += __ load_const_size() - __ load_const_optimized_rtn_len(Z_R1_scratch, (long)SharedRuntime::nof_megamorphic_calls_addr(), true);
// Use generic emitter for direct memory increment.
// Abuse Z_method as scratch register for generic emitter.
// It is loaded further down anyway before it is first used.
__ add2mem_32(Address(Z_R1_scratch), 1, Z_method);
}
#endif
assert(VtableStub::receiver_location() == Z_R2->as_VMReg(), "receiver expected in Z_ARG1");
// Get receiver klass.
// Must do an explicit check if implicit checks are disabled.
address npe_addr = __ pc(); // npe == NULL ptr exception
__ null_check(Z_ARG1, Z_R1_scratch, oopDesc::klass_offset_in_bytes());
const Register rcvr_klass = Z_R1_scratch;
__ load_klass(rcvr_klass, Z_ARG1);
// Set method (in case of interpreted method), and destination address.
int entry_offset = in_bytes(Klass::vtable_start_offset()) +
vtable_index * vtableEntry::size_in_bytes();
#ifndef PRODUCT
if (DebugVtables) {
Label L;
// Check offset vs vtable length.
const Register vtable_idx = Z_R0_scratch;
// Count unused bytes.
// worst case actual size
padding_bytes += __ load_const_size() - __ load_const_optimized_rtn_len(vtable_idx, vtable_index*vtableEntry::size_in_bytes(), true);
assert(Immediate::is_uimm12(in_bytes(Klass::vtable_length_offset())), "disp to large");
__ z_cl(vtable_idx, in_bytes(Klass::vtable_length_offset()), rcvr_klass);
__ z_brl(L);
__ z_lghi(Z_ARG3, vtable_index); // Debug code, don't optimize.
__ call_VM(noreg, CAST_FROM_FN_PTR(address, bad_compiled_vtable_index), Z_ARG1, Z_ARG3, false);
// Count unused bytes (assume worst case here).
padding_bytes += 12;
__ bind(L);
}
#endif
int v_off = entry_offset + vtableEntry::method_offset_in_bytes();
// Duplicate safety code from enc_class Java_Dynamic_Call_dynTOC.
if (Displacement::is_validDisp(v_off)) {
__ z_lg(Z_method/*method oop*/, v_off, rcvr_klass/*class oop*/);
// Account for the load_const in the else path.
padding_bytes += __ load_const_size();
} else {
// Worse case, offset does not fit in displacement field.
__ load_const(Z_method, v_off); // Z_method temporarily holds the offset value.
__ z_lg(Z_method/*method oop*/, 0, Z_method/*method offset*/, rcvr_klass/*class oop*/);
}
#ifndef PRODUCT
if (DebugVtables) {
Label L;
__ z_ltgr(Z_method, Z_method);
__ z_brne(L);
__ stop("Vtable entry is ZERO",102);
__ bind(L);
}
#endif
address ame_addr = __ pc(); // ame = abstract method error
// Must do an explicit check if implicit checks are disabled.
__ null_check(Z_method, Z_R1_scratch, in_bytes(Method::from_compiled_offset()));
__ z_lg(Z_R1_scratch, in_bytes(Method::from_compiled_offset()), Z_method);
__ z_br(Z_R1_scratch);
masm->flush();
s->set_exception_points(npe_addr, ame_addr);
return s;
}
VtableStub* VtableStubs::create_itable_stub(int itable_index) {
const int code_length = VtableStub::pd_code_size_limit(false);
VtableStub *s = new(code_length) VtableStub(false, itable_index);
if (s == NULL) { // Indicates OOM in the code cache.
return NULL;
}
ResourceMark rm;
CodeBuffer cb(s->entry_point(), code_length);
MacroAssembler *masm = new MacroAssembler(&cb);
int padding_bytes = 0;
#if (!defined(PRODUCT) && defined(COMPILER2))
if (CountCompiledCalls) {
// Count unused bytes
// worst case actual size
padding_bytes += __ load_const_size() - __ load_const_optimized_rtn_len(Z_R1_scratch, (long)SharedRuntime::nof_megamorphic_calls_addr(), true);
// Use generic emitter for direct memory increment.
// Use Z_tmp_1 as scratch register for generic emitter.
__ add2mem_32((Z_R1_scratch), 1, Z_tmp_1);
}
#endif
assert(VtableStub::receiver_location() == Z_R2->as_VMReg(), "receiver expected in Z_ARG1");
// Entry arguments:
// Z_method: Interface
// Z_ARG1: Receiver
NearLabel no_such_interface;
const Register rcvr_klass = Z_tmp_1,
interface = Z_tmp_2;
// Get receiver klass.
// Must do an explicit check if implicit checks are disabled.
address npe_addr = __ pc(); // npe == NULL ptr exception
__ null_check(Z_ARG1, Z_R1_scratch, oopDesc::klass_offset_in_bytes());
__ load_klass(rcvr_klass, Z_ARG1);
// Receiver subtype check against REFC.
__ z_lg(interface, Address(Z_method, CompiledICHolder::holder_klass_offset()));
__ lookup_interface_method(rcvr_klass, interface, noreg,
noreg, Z_R1, no_such_interface, /*return_method=*/ false);
// Get Method* and entrypoint for compiler
__ z_lg(interface, Address(Z_method, CompiledICHolder::holder_metadata_offset()));
__ lookup_interface_method(rcvr_klass, interface, itable_index,
Z_method, Z_R1, no_such_interface, /*return_method=*/ true);
#ifndef PRODUCT
if (DebugVtables) {
Label ok1;
__ z_ltgr(Z_method, Z_method);
__ z_brne(ok1);
__ stop("method is null",103);
__ bind(ok1);
}
#endif
address ame_addr = __ pc();
// Must do an explicit check if implicit checks are disabled.
if (!ImplicitNullChecks) {
__ compare64_and_branch(Z_method, (intptr_t) 0, Assembler::bcondEqual, no_such_interface);
}
__ z_lg(Z_R1_scratch, in_bytes(Method::from_compiled_offset()), Z_method);
__ z_br(Z_R1_scratch);
// Handle IncompatibleClassChangeError in itable stubs.
__ bind(no_such_interface);
// Count unused bytes
// worst case actual size
// We force resolving of the call site by jumping to
// the "handle wrong method" stub, and so let the
// interpreter runtime do all the dirty work.
padding_bytes += __ load_const_size() - __ load_const_optimized_rtn_len(Z_R1_scratch, (long)SharedRuntime::get_handle_wrong_method_stub(), true);
__ z_br(Z_R1_scratch);
masm->flush();
s->set_exception_points(npe_addr, ame_addr);
return s;
}
// In order to tune these parameters, run the JVM with VM options
// +PrintMiscellaneous and +WizardMode to see information about
// actual itable stubs. Run it with -Xmx31G -XX:+UseCompressedOops.
int VtableStub::pd_code_size_limit(bool is_vtable_stub) {
int size = DebugVtables ? 216 : 0;
if (CountCompiledCalls) {
size += 6 * 4;
}
size += is_vtable_stub ? 36 : 140;
if (UseCompressedClassPointers) {
size += MacroAssembler::instr_size_for_decode_klass_not_null();
}
if (!ImplicitNullChecks) {
size += 36;
}
return size;
}
int VtableStub::pd_code_alignment() {
const unsigned int icache_line_size = 32;
return icache_line_size;
}