void RangeCheckStub::emit_code(LIR_Assembler* ce) {
__ bind(_entry);
if (_info->deoptimize_on_exception()) {
address a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
__ far_call(RuntimeAddress(a));
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
debug_only(__ should_not_reach_here());
return;
}
if (_index->is_cpu_register()) {
__ mov(rscratch1, _index->as_register());
} else {
__ mov(rscratch1, _index->as_jint());
}
Runtime1::StubID stub_id;
if (_throw_index_out_of_bounds_exception) {
stub_id = Runtime1::throw_index_exception_id;
} else {
stub_id = Runtime1::throw_range_check_failed_id;
}
__ far_call(RuntimeAddress(Runtime1::entry_for(stub_id)), NULL, rscratch2);
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
debug_only(__ should_not_reach_here());
}
void PredicateFailedStub::emit_code(LIR_Assembler* ce) {
__ bind(_entry);
address a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
__ far_call(RuntimeAddress(a));
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
debug_only(__ should_not_reach_here());
}
void CounterOverflowStub::emit_code(LIR_Assembler* ce) {
__ bind(_entry);
ce->store_parameter(_method->as_register(), 1);
ce->store_parameter(_bci, 0);
__ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::counter_overflow_id)));
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
__ b(_continuation);
}
void NewInstanceStub::emit_code(LIR_Assembler* ce) {
assert(__ rsp_offset() == 0, "frame size should be fixed");
__ bind(_entry);
__ mov(r3, _klass_reg->as_register());
__ far_call(RuntimeAddress(Runtime1::entry_for(_stub_id)));
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
assert(_result->as_register() == r0, "result must in r0,");
__ b(_continuation);
}
void G1PostBarrierStub::emit_code(LIR_Assembler* ce) {
__ bind(_entry);
assert(addr()->is_register(), "Precondition.");
assert(new_val()->is_register(), "Precondition.");
Register new_val_reg = new_val()->as_register();
__ cbz(new_val_reg, _continuation);
ce->store_parameter(addr()->as_pointer_register(), 0);
__ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::g1_post_barrier_slow_id)));
__ b(_continuation);
}
void NewObjectArrayStub::emit_code(LIR_Assembler* ce) {
assert(__ rsp_offset() == 0, "frame size should be fixed");
__ bind(_entry);
assert(_length->as_register() == r19, "length must in r19,");
assert(_klass_reg->as_register() == r3, "klass_reg must in r3");
__ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::new_object_array_id)));
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
assert(_result->as_register() == r0, "result must in r0");
__ b(_continuation);
}
void call_far_ptr16(){//this is actually a call seg:offset
unsigned short off;
unsigned short seg;
ip++;
MemRead16(CS,ip,&seg);
ip++;ip++;
MemRead16(CS,ip,&off);
//*seg--;
far_call(seg,off); //oops set them backwards... ohwell
// panic("debug #1\n");
}
void CounterOverflowStub::emit_code(LIR_Assembler* ce) {
__ bind(_entry);
Metadata *m = _method->as_constant_ptr()->as_metadata();
__ mov_metadata(rscratch1, m);
ce->store_parameter(rscratch1, 1);
ce->store_parameter(_bci, 0);
__ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::counter_overflow_id)));
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
__ b(_continuation);
}
void DivByZeroStub::emit_code(LIR_Assembler* ce) {
if (_offset != -1) {
ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
}
__ bind(_entry);
__ far_call(Address(Runtime1::entry_for(Runtime1::throw_div0_exception_id), relocInfo::runtime_call_type));
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
#ifdef ASSERT
__ should_not_reach_here();
#endif
}
void SimpleExceptionStub::emit_code(LIR_Assembler* ce) {
assert(__ rsp_offset() == 0, "frame size should be fixed");
__ bind(_entry);
// pass the object in a scratch register because all other registers
// must be preserved
if (_obj->is_cpu_register()) {
__ mov(rscratch1, _obj->as_register());
}
__ far_call(RuntimeAddress(Runtime1::entry_for(_stub)), NULL, rscratch2);
ce->add_call_info_here(_info);
debug_only(__ should_not_reach_here());
}
void ImplicitNullCheckStub::emit_code(LIR_Assembler* ce) {
address a;
if (_info->deoptimize_on_exception()) {
// Deoptimize, do not throw the exception, because it is probably wrong to do it here.
a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
} else {
a = Runtime1::entry_for(Runtime1::throw_null_pointer_exception_id);
}
ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
__ bind(_entry);
__ far_call(RuntimeAddress(a));
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
debug_only(__ should_not_reach_here());
}
void MonitorEnterStub::emit_code(LIR_Assembler* ce) {
assert(__ rsp_offset() == 0, "frame size should be fixed");
__ bind(_entry);
ce->store_parameter(_obj_reg->as_register(), 1);
ce->store_parameter(_lock_reg->as_register(), 0);
Runtime1::StubID enter_id;
if (ce->compilation()->has_fpu_code()) {
enter_id = Runtime1::monitorenter_id;
} else {
enter_id = Runtime1::monitorenter_nofpu_id;
}
__ far_call(RuntimeAddress(Runtime1::entry_for(enter_id)));
ce->add_call_info_here(_info);
ce->verify_oop_map(_info);
__ b(_continuation);
}
void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
// At this point we know that marking is in progress.
// If do_load() is true then we have to emit the
// load of the previous value; otherwise it has already
// been loaded into _pre_val.
__ bind(_entry);
assert(pre_val()->is_register(), "Precondition.");
Register pre_val_reg = pre_val()->as_register();
if (do_load()) {
ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/);
}
__ cbz(pre_val_reg, _continuation);
ce->store_parameter(pre_val()->as_register(), 0);
__ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::g1_pre_barrier_slow_id)));
__ b(_continuation);
}
void DeoptimizeStub::emit_code(LIR_Assembler* ce) {
__ bind(_entry);
__ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::deoptimize_id)));
ce->add_call_info_here(_info);
DEBUG_ONLY(__ should_not_reach_here());
}
